diff --git a/.gitignore b/.gitignore index b271af8e1..81b92ddd5 100644 --- a/.gitignore +++ b/.gitignore @@ -9,6 +9,7 @@ node_modules/ !tests/corpus/*/node_modules/ !tests/fixtures/npm-static/node_modules/ !tests/coverage-fixtures/wasm/node_modules/ +!tests/coverage-fixtures/node-islands*/node_modules/ !tests/coverage-fixtures/dynamic-tier/package/node_modules/ !tests/fixtures/npm-static/nested/inner/node_modules/ !tests/fixtures/npm-static/node_modules/*/node_modules/ diff --git a/docs/content/docs/contracts.mdx b/docs/content/docs/contracts.mdx index 948fe7960..ad5953fa6 100644 --- a/docs/content/docs/contracts.mdx +++ b/docs/content/docs/contracts.mdx @@ -245,7 +245,7 @@ $ scriptc build scale.ts 1 error. ``` -A copy such as `slice()` or a spread is checked as if it were the same array as its source. The results of callbacks are not followed, so an array built by `map` or `Array.from` with a mapping function cannot be `Int32[]`; build it with a loop that stores `value | 0`. scriptc refuses an `Int32[]` slot whose array can come from code it cannot see, such as `JSON.parse`, dynamic values or the callers of a function used as a value, and an array that can reach one and escapes to such code, such as a call through a function value (SC7003). +A copy such as `slice()` or a spread is checked as if it were the same array as its source. The results of a callback are followed only when scriptc copies it into the loop that runs the array method: a callback written at a `map` or `filter` call whose captured variables are not reassigned, such as `xs.map((x) => (x * 2) | 0)`. Other callback results are not followed, so for example an array built by `Array.from` with a mapping function cannot be `Int32[]`; build it with a loop that stores `value | 0`. scriptc refuses an `Int32[]` slot whose array can come from code it cannot see, such as `JSON.parse`, dynamic values or the callers of a function used as a value, and an array that can reach one and escapes to such code, such as a call through a function value (SC7003). ## Immutable diff --git a/docs/content/limitations/contract-types.mdx b/docs/content/limitations/contract-types.mdx index 35d7a95c0..1fd24a81b 100644 --- a/docs/content/limitations/contract-types.mdx +++ b/docs/content/limitations/contract-types.mdx @@ -1,7 +1,7 @@ [Contract types](/docs/contracts) are checked only where they are written as the annotation of a parameter, variable, class instance field or function result, `Acyclic` only on classes, interfaces and object type aliases, and `ProgramLifetime` only in the `implements` clause of a class declaration; other aliases, interface members and nested type positions are reported. In programs that use worker threads, a surrounding `try`/`catch` does not discharge `NoThrow`. `Int32` refuses parameters of functions used as values and fields of classes whose instances are stored in `any` or `unknown` values. -`Int32[]` refuses arrays that can come from or escape to code scriptc cannot see, does not follow callback results (such as `map` results), and checks a copy made by `slice` or a spread as if it were its source array. +`Int32[]` refuses arrays that can come from or escape to code scriptc cannot see, follows callback results only for callbacks written at a `map` or `filter` call that scriptc runs inline, and checks a copy made by `slice` or a spread as if it were its source array. Element reads that find a value are int32s, but a scalar `Int32` slot still needs `a[i] | 0`, because a read can miss and produce `undefined`. `Immutable` refuses values stored in `any` or `unknown` or that another reference can still change. `ProgramLifetime` applies to root classes of executables only; instances the program drops are never reclaimed unless they belong to a released [lifetime region](/docs/experimental#lifetimeregion). diff --git a/packages/cli/src/bootstrap.ts b/packages/cli/src/bootstrap.ts index f14866a9c..127a11064 100644 --- a/packages/cli/src/bootstrap.ts +++ b/packages/cli/src/bootstrap.ts @@ -72,7 +72,9 @@ async function tryFastPath(): Promise { values.sparse || // The full compiler resolves `native` against the build host. values["target-cpu"] !== undefined || - (values["external-types"] ?? []).length > 0 + (values["external-types"] ?? []).length > 0 || + // The full CLI validates the Node island policy flags. + hasNodeIslandFlags(values) ) return null; const backend = values.backend; @@ -182,6 +184,21 @@ async function tryFastPath(): Promise { }); } +function hasNodeIslandFlags( + values: ReturnType< + typeof parseArgs<{ options: typeof CLI_OPTIONS; allowPositionals: true; allowNegative: true }> + >["values"], +): boolean { + return ( + values["node-islands"] !== undefined || + (values["node-island"] ?? []).length > 0 || + (values.native ?? []).length > 0 || + values.node !== undefined || + values["explain-island"] !== undefined || + values["strict-user-js"] + ); +} + /** An unchanged program's coverage verdict replays from the verdict cache * without loading the compiler graph. Anything else (a miss, a comment-only * edit, options the replay does not cover) defers to the full CLI. */ @@ -212,7 +229,9 @@ async function coverageFastPath( values["provenance-sources"] || values["emit-ir"] || (values["npm-static"] ?? []).length > 0 || - (values["external-types"] ?? []).length > 0 + (values["external-types"] ?? []).length > 0 || + // The replay covers the default Node island policy only. + hasNodeIslandFlags(values) ) return null; let startup: typeof import("@scriptc/compiler/startup-cache"); diff --git a/packages/cli/test/native-link-info.test.ts b/packages/cli/test/native-link-info.test.ts index b4b11fa95..ef07c838d 100644 --- a/packages/cli/test/native-link-info.test.ts +++ b/packages/cli/test/native-link-info.test.ts @@ -72,7 +72,7 @@ describe.runIf(supported)("macOS arm64 native link info", () => { minimum_os: "14.0", }, program: { object, entry_symbol: "main" }, - runtime_abi: { version: 43, marker: "scr_runtime_abi_v43" }, + runtime_abi: { version: 44, marker: "scr_runtime_abi_v44" }, runtime_pack: { kind: "precompiled", package: "@scriptc/runtime-darwin-arm64", @@ -165,6 +165,6 @@ describe.runIf(supported)("macOS arm64 native link info", () => { () => null, (failure: { stderr?: string }) => failure, ); - expect(error?.stderr).toContain("scr_runtime_abi_v43"); + expect(error?.stderr).toContain("scr_runtime_abi_v44"); }); }); diff --git a/packages/compiler/native/ts7-process-child.test.c b/packages/compiler/native/ts7-process-child.test.c index 386a0a7c3..4d1cbc081 100644 --- a/packages/compiler/native/ts7-process-child.test.c +++ b/packages/compiler/native/ts7-process-child.test.c @@ -64,8 +64,11 @@ static int child_main(int argc, char **argv) { #endif int listening = argc >= 9 && strcmp(argv[5], "--listen") == 0 && strcmp(argv[7], "--idle-exit") == 0; int fixed = listening ? 9 : 5; - if (argc < fixed || argc > fixed + 1 || strcmp(argv[1], "--api") != 0 || strcmp(argv[2], "--cwd") != 0 || - strncmp(argv[4], "--callbacks=", 12) != 0 || (argc == fixed + 1 && strcmp(argv[fixed], "--timing") != 0)) + int at = fixed, timing = 0, libraries = 0; + if (at < argc && strcmp(argv[at], "--timing") == 0) { timing = 1; at++; } + if (at < argc && strcmp(argv[at], "--default-libraries-from-disk") == 0) { libraries = 1; at++; } + if (argc < fixed || at != argc || strcmp(argv[1], "--api") != 0 || strcmp(argv[2], "--cwd") != 0 || + strncmp(argv[4], "--callbacks=", 12) != 0) return 71; const char *mode = argv[3]; #ifndef _WIN32 @@ -76,7 +79,8 @@ static int child_main(int argc, char **argv) { fputc('\n', stdout); fputs(argv[4], stdout); fputc('\n', stdout); - fputs(argc == 6 ? "timing\n" : "plain\n", stdout); + fputs(timing ? "timing\n" : "plain\n", stdout); + if (libraries) fputs("libraries from disk\n", stdout); return ferror(stdout) ? 72 : 0; } if (strcmp(mode, "exit") == 0) return 0; diff --git a/packages/compiler/native/ts7-process.c b/packages/compiler/native/ts7-process.c index 3fd38a423..8261c341b 100644 --- a/packages/compiler/native/ts7-process.c +++ b/packages/compiler/native/ts7-process.c @@ -161,7 +161,7 @@ static wchar_t *command_line(wchar_t **arguments, size_t count) { } static int start_process(Ts7Process *p, char **args, size_t argc) { - wchar_t *wide[6] = {0}; + wchar_t *wide[7] = {0}; wchar_t *line = NULL; HANDLE child_input = NULL, child_output = NULL, child_error = NULL; LPPROC_THREAD_ATTRIBUTE_LIST attributes = NULL; @@ -330,7 +330,7 @@ static void stop_process(Ts7Process *p) { uint32_t scriptc_ts7_open(const uint8_t *executable, size_t executable_size, const uint8_t *cwd, size_t cwd_size, const uint8_t *callbacks, size_t callbacks_size, - uint8_t timing) { + uint8_t timing, uint8_t libraries_from_disk) { if (next_id == 0) { error_text("server handle IDs are exhausted"); return 0; } char *exe = copy_argument(executable, executable_size, ""); if (exe == NULL) return 0; @@ -346,8 +346,12 @@ uint32_t scriptc_ts7_open(const uint8_t *executable, size_t executable_size, } exit_registered = 1; } - char *args[] = {exe, "--api", "--cwd", directory, callback_flag, timing ? "--timing" : NULL, NULL}; - int started = start_process(p, args, timing ? 6 : 5); + char *args[8] = {exe, "--api", "--cwd", directory, callback_flag}; + size_t argc = 5; + if (timing) args[argc++] = "--timing"; + if (libraries_from_disk) args[argc++] = "--default-libraries-from-disk"; + args[argc] = NULL; + int started = start_process(p, args, argc); free(exe); free(directory); free(callback_flag); if (!started) { free(p); return 0; } p->id = next_id++; @@ -361,9 +365,10 @@ uint32_t scriptc_ts7_attach(const uint8_t *name, size_t name_size, const uint8_t *executable, size_t executable_size, const uint8_t *cwd, size_t cwd_size, const uint8_t *callbacks, size_t callbacks_size, - uint8_t timing, uint32_t idle_exit, uint32_t memory) { + uint8_t timing, uint8_t libraries_from_disk, uint32_t idle_exit, + uint32_t memory) { (void)name; (void)name_size; (void)executable; (void)executable_size; (void)cwd; (void)cwd_size; - (void)callbacks; (void)callbacks_size; (void)timing; (void)idle_exit; (void)memory; + (void)callbacks; (void)callbacks_size; (void)timing; (void)libraries_from_disk; (void)idle_exit; (void)memory; error_text("a shared checker server needs Unix sockets"); return 0; } @@ -455,7 +460,8 @@ uint32_t scriptc_ts7_attach(const uint8_t *name, size_t name_size, const uint8_t *executable, size_t executable_size, const uint8_t *cwd, size_t cwd_size, const uint8_t *callbacks, size_t callbacks_size, - uint8_t timing, uint32_t idle_exit, uint32_t memory) { + uint8_t timing, uint8_t libraries_from_disk, uint32_t idle_exit, + uint32_t memory) { if (next_id == 0) { error_text("server handle IDs are exhausted"); return 0; } char *server = copy_argument(name, name_size, ""); if (server == NULL) return 0; @@ -491,8 +497,11 @@ uint32_t scriptc_ts7_attach(const uint8_t *name, size_t name_size, (void)snprintf(limit, sizeof(limit), "TSC_TS_LISTEN_MEMORY=%lu", (unsigned long)memory); pid_t pid = -1; if (callback_flag != NULL) { - char *args[] = {exe, "--api", "--cwd", dir, callback_flag, "--listen", socket_path, "--idle-exit", idle, - timing ? "--timing" : NULL, NULL}; + char *args[12] = {exe, "--api", "--cwd", dir, callback_flag, "--listen", socket_path, "--idle-exit", idle}; + size_t argc = 9; + if (timing) args[argc++] = "--timing"; + if (libraries_from_disk) args[argc++] = "--default-libraries-from-disk"; + args[argc] = NULL; pid = start_server(args, limit); } free(exe); free(dir); free(callback_flag); diff --git a/packages/compiler/native/ts7-process.ffi.json b/packages/compiler/native/ts7-process.ffi.json index c503e3cae..963c81f15 100644 --- a/packages/compiler/native/ts7-process.ffi.json +++ b/packages/compiler/native/ts7-process.ffi.json @@ -1,8 +1,8 @@ { "ffi_format": 6, "functions": [ - { "name": "ts7NativeOpen", "symbol": "scriptc_ts7_open", "params": ["string", "string", "string", "bool"], "returns": "u32" }, - { "name": "ts7NativeAttach", "symbol": "scriptc_ts7_attach", "params": ["string", "string", "string", "string", "bool", "u32", "u32"], "returns": "u32" }, + { "name": "ts7NativeOpen", "symbol": "scriptc_ts7_open", "params": ["string", "string", "string", "bool", "bool"], "returns": "u32" }, + { "name": "ts7NativeAttach", "symbol": "scriptc_ts7_attach", "params": ["string", "string", "string", "string", "bool", "bool", "u32", "u32"], "returns": "u32" }, { "name": "ts7NativeRead", "symbol": "scriptc_ts7_read", "params": ["u32", "mutable-bytes", "u32", "u32"], "returns": "i32" }, { "name": "ts7NativeWrite", "symbol": "scriptc_ts7_write", "params": ["u32", "bytes", "u32", "u32"], "returns": "i32" }, { "name": "ts7NativePid", "symbol": "scriptc_ts7_pid", "params": ["u32"], "returns": "u32" }, diff --git a/packages/compiler/native/ts7-process.h b/packages/compiler/native/ts7-process.h index 4199e8795..d51f939a9 100644 --- a/packages/compiler/native/ts7-process.h +++ b/packages/compiler/native/ts7-process.h @@ -12,7 +12,7 @@ uint32_t scriptc_ts7_open(const uint8_t *executable, size_t executable_size, const uint8_t *cwd, size_t cwd_size, const uint8_t *callbacks, size_t callbacks_size, - uint8_t timing); + uint8_t timing, uint8_t libraries_from_disk); /* Connects to the shared checker server `name` (`--api --listen`) in this * user's private server directory, starting it in its own process group * with `--idle-exit idle_exit` and a limit of `memory` megabytes @@ -25,7 +25,8 @@ uint32_t scriptc_ts7_attach(const uint8_t *name, size_t name_size, const uint8_t *executable, size_t executable_size, const uint8_t *cwd, size_t cwd_size, const uint8_t *callbacks, size_t callbacks_size, - uint8_t timing, uint32_t idle_exit, uint32_t memory); + uint8_t timing, uint8_t libraries_from_disk, uint32_t idle_exit, + uint32_t memory); int32_t scriptc_ts7_read(uint32_t handle, uint8_t *bytes, size_t size, uint32_t offset, uint32_t length); int32_t scriptc_ts7_write(uint32_t handle, const uint8_t *bytes, size_t size, diff --git a/packages/compiler/native/ts7-process.test.c b/packages/compiler/native/ts7-process.test.c index dc0c67ced..b6d760abd 100644 --- a/packages/compiler/native/ts7-process.test.c +++ b/packages/compiler/native/ts7-process.test.c @@ -21,12 +21,14 @@ static const char *executable; static const char *callbacks = "readFile,fileExists"; -static uint32_t start(const char *mode, int timing) { +static uint32_t start_with(const char *mode, int timing, int libraries) { return scriptc_ts7_open((const uint8_t *)executable, strlen(executable), (const uint8_t *)mode, strlen(mode), - (const uint8_t *)callbacks, strlen(callbacks), (uint8_t)timing); + (const uint8_t *)callbacks, strlen(callbacks), (uint8_t)timing, (uint8_t)libraries); } +static uint32_t start(const char *mode, int timing) { return start_with(mode, timing, 0); } + static void fail_message(void) { uint8_t message[1024]; int32_t size = scriptc_ts7_error(message, sizeof(message)); @@ -83,11 +85,13 @@ static void argument_cases(void) { "", "a b", "double\"quote", "end\\", "many\\\\\"quotes\\\\", "a;&$()`'b", "h\xc3\xa9llo \xf0\x9f\x8c\x8d", }; for (size_t i = 0; i < sizeof(values) / sizeof(values[0]); i++) { - for (int timing = 0; timing <= 1; timing++) { + for (int flags = 0; flags < 4; flags++) { + int timing = flags & 1, libraries = flags >> 1; char mode[256], expected[512]; snprintf(mode, sizeof(mode), "argv:%s", values[i]); - snprintf(expected, sizeof(expected), "%s\n--callbacks=%s\n%s\n", values[i], callbacks, timing ? "timing" : "plain"); - uint32_t id = start(mode, timing); + snprintf(expected, sizeof(expected), "%s\n--callbacks=%s\n%s\n%s", values[i], callbacks, + timing ? "timing" : "plain", libraries ? "libraries from disk\n" : ""); + uint32_t id = start_with(mode, timing, libraries); assert(id != 0); uint8_t actual[512]; read_exact(id, actual, strlen(expected)); @@ -147,10 +151,10 @@ static void failure_cases(void) { executable = "/scriptc/does-not-exist/tsgo"; for (int i = 0; i < 30; i++) { assert(start("echo", 0) == 0); fail_message(); } executable = saved; - assert(scriptc_ts7_open(NULL, 0, bytes, 1, bytes, 1, 0) == 0); - assert(scriptc_ts7_open((const uint8_t *)"abc\0def", 7, bytes, 1, bytes, 1, 0) == 0); - assert(scriptc_ts7_open((const uint8_t *)executable, strlen(executable), NULL, 0, bytes, 1, 0) == 0); - assert(scriptc_ts7_open((const uint8_t *)executable, strlen(executable), bytes, 1, NULL, 0, 0) == 0); + assert(scriptc_ts7_open(NULL, 0, bytes, 1, bytes, 1, 0, 0) == 0); + assert(scriptc_ts7_open((const uint8_t *)"abc\0def", 7, bytes, 1, bytes, 1, 0, 0) == 0); + assert(scriptc_ts7_open((const uint8_t *)executable, strlen(executable), NULL, 0, bytes, 1, 0, 0) == 0); + assert(scriptc_ts7_open((const uint8_t *)executable, strlen(executable), bytes, 1, NULL, 0, 0, 0) == 0); for (int i = 0; i < 30; i++) { uint32_t id = start("exit", 0); assert(id != 0); @@ -177,7 +181,7 @@ static void failure_cases(void) { static uint32_t attach(const char *name, const char *mode, uint32_t memory) { return scriptc_ts7_attach((const uint8_t *)name, strlen(name), (const uint8_t *)executable, strlen(executable), (const uint8_t *)mode, strlen(mode), (const uint8_t *)callbacks, strlen(callbacks), - 0, 1, memory); + 0, 0, 1, memory); } static void expect_line(uint32_t id, const char *expected) { diff --git a/packages/compiler/src/backend/llvm/appended-array-literals.ts b/packages/compiler/src/backend/llvm/appended-array-literals.ts index 3c09904e3..c65aded0c 100644 --- a/packages/compiler/src/backend/llvm/appended-array-literals.ts +++ b/packages/compiler/src/backend/llvm/appended-array-literals.ts @@ -9,7 +9,7 @@ * one directly or through a binding read from it. The choice never changes * behavior. */ -import type { IrExpr, IrModule } from "../../ir/ir.js"; +import type { IrExpr, IrModule, IrStmt } from "../../ir/ir.js"; import { eachNodeOfKinds, type IrNodeIndex, type IrNodeKind } from "../../ir/node-index.js"; const APPENDING_METHODS: ReadonlySet = new Set([ @@ -120,3 +120,36 @@ export function findAppendedArrayLiterals( } return result; } + +/** `const xs = []` directly followed by a capacity hint for `xs` (an + * `arraySetLength` with `reserve`) whose length reads only literals and + * other locals: the literal can be constructed with that capacity, and the + * hint then has nothing left to do. */ +export function reservedArrayLength( + stmts: readonly IrStmt[], + i: number, +): { literal: IrExpr; hint: IrStmt & { kind: "arraySetLength" } } | null { + const decl = stmts[i]; + const next = stmts[i + 1]; + if (decl?.kind !== "varDecl" || decl.init === null || !isEmptyLiteral(decl.init)) return null; + if (next?.kind !== "arraySetLength" || next.reserve !== true) return null; + if (next.arr.kind !== "varRef" || next.arr.localId !== decl.localId) return null; + return plainLength(next.length, decl.localId) ? { literal: decl.init, hint: next } : null; +} + +function plainLength(e: IrExpr, array: string): boolean { + switch (e.kind) { + case "numLit": + return true; + case "varRef": + return e.localId !== array; + case "bin": + return plainLength(e.left, array) && plainLength(e.right, array); + case "ternary": + return ( + plainLength(e.cond, array) && plainLength(e.then, array) && plainLength(e.else_, array) + ); + default: + return false; + } +} diff --git a/packages/compiler/src/backend/llvm/debug-info.ts b/packages/compiler/src/backend/llvm/debug-info.ts index 3a75c6263..aaa35d666 100644 --- a/packages/compiler/src/backend/llvm/debug-info.ts +++ b/packages/compiler/src/backend/llvm/debug-info.ts @@ -13,9 +13,37 @@ import { import { SourceLocations } from "../source-locations.js"; import { mangleFunction } from "../mangle.js"; -/** DWARF describes source bindings at their actual native storage locations. */ +/** A request a range emitter made of its debug info that added nodes + * (LlvmDebugInfo.record), with the ids it answered. */ +export type DebugRequest = + | { readonly op: "function"; readonly fn: string; readonly result: string } + | { + readonly op: "local"; + readonly local: IrLocal; + readonly fn: string; + readonly arg: number; + readonly captured: boolean; + readonly result: { variable: string; location: string }; + } + | { + readonly op: "location"; + readonly loc: SrcLoc; + readonly fn: string; + readonly result: string; + }; + +/** DWARF describes source bindings at their actual native storage locations. + * + * Nodes are numbered in request order. A range emitter (emit-module.ts) + * records the requests that added nodes; the emitter that merges the range + * replays them in order, so every node gets the number serial emission + * gives it, and renames the range's text from the ids the range answered to + * its own. A request that added no node answered an id that existed before + * the range started or that an earlier recorded request created. */ export class LlvmDebugInfo { private readonly nodes: string[] = []; + /** The requests that added nodes, while recording (record). */ + private requests: DebugRequest[] | null = null; private readonly files = new Map(); private readonly locations = new Map(); private readonly scopes = new Map(); @@ -73,7 +101,53 @@ export class LlvmDebugInfo { return unit; } + /** Records the requests that add nodes from here on. */ + record(): void { + this.requests = []; + } + + /** The requests recorded since record. */ + recorded(): readonly DebugRequest[] { + return this.requests ?? []; + } + + /** Replays a range's recorded requests in order and adds to `ids` the + * rename from the ids the range answered to this debug info's. */ + replay( + requests: readonly DebugRequest[], + functionNamed: (name: string) => IrFunction, + ids: Map, + ): void { + const own = (id: string, to: string | null | undefined): void => { + if (to === null || to === undefined) + throw new Error(`llvm emitter bug: debug request for ${id} added no node on replay`); + if (to !== id) ids.set(id, to); + }; + for (const request of requests) { + if (request.op === "function") { + own(request.result, this.function(functionNamed(request.fn))); + continue; + } + const fn = ids.get(request.fn) ?? request.fn; + if (request.op === "location") { + own(request.result, this.location(request.loc, fn)); + continue; + } + const local = this.local(request.local, fn, request.arg, request.captured); + own(request.result.variable, local?.variable); + own(request.result.location, local?.location); + } + } + function(fn: IrFunction): string | null { + const before = this.nodes.length; + const id = this.functionNode(fn); + if (this.requests !== null && id !== null && this.nodes.length > before) + this.requests.push({ op: "function", fn: fn.name, result: id }); + return id; + } + + private functionNode(fn: IrFunction): string | null { const pos = this.source.position(fn.loc); if (pos === null) return null; const file = this.file(pos.file); @@ -230,6 +304,26 @@ export class LlvmDebugInfo { fn: string | null, arg = 0, captured = false, + ): { variable: string; expression: string; location: string } | null { + const before = this.nodes.length; + const result = this.localNodes(local, fn, arg, captured); + if (this.requests !== null && fn !== null && result !== null && this.nodes.length > before) + this.requests.push({ + op: "local", + local, + fn, + arg, + captured, + result: { variable: result.variable, location: result.location }, + }); + return result; + } + + private localNodes( + local: IrLocal, + fn: string | null, + arg: number, + captured: boolean, ): { variable: string; expression: string; location: string } | null { if (fn === null || local.source === undefined) return null; const pos = this.source.position(local.source.loc); @@ -279,6 +373,14 @@ export class LlvmDebugInfo { } location(loc: SrcLoc, fn: string | null): string | null { + const before = this.nodes.length; + const id = this.locationNode(loc, fn); + if (this.requests !== null && fn !== null && id !== null && this.nodes.length > before) + this.requests.push({ op: "location", loc, fn, result: id }); + return id; + } + + private locationNode(loc: SrcLoc, fn: string | null): string | null { if (fn === null) return null; const pos = this.source.position(loc); if (pos === null) return null; diff --git a/packages/compiler/src/backend/llvm/dyn.ts b/packages/compiler/src/backend/llvm/dyn.ts index 54ce1bece..9ba8c3c87 100644 --- a/packages/compiler/src/backend/llvm/dyn.ts +++ b/packages/compiler/src/backend/llvm/dyn.ts @@ -66,6 +66,25 @@ import { recordMayKeepSource, recordSourceFieldOrder } from "./record-sources.js import type { WalkerHost } from "./walkers.js"; import type { LlStreamTypedRefAdapter } from "./expr-context.js"; +/** typeKey with `?` after every `(T | undefined)[]` (optionalElements), + * at any depth of arrays, Maps, Sets and promises: checked conversions to + * `number[][]` and `(number | undefined)[][]` need separate helpers, though + * the two types share a typeKey. */ +function checkedConversionKey(t: IrType): string { + switch (t.kind) { + case "array": + return `array<${checkedConversionKey(t.elem)}>${t.optionalElements ? "?" : ""}`; + case "map": + return `map<${checkedConversionKey(t.key)},${checkedConversionKey(t.value)}>`; + case "set": + return `set<${checkedConversionKey(t.elem)}>`; + case "promise": + return `promise<${checkedConversionKey(t.inner)}>`; + default: + return typeKey(t); + } +} + /** Whether to-dyn of a record shape keeps the record itself: an empty shape * and an event-listener record (a `handleEvent` function field) box their * identity. Every other shape, tuples included, copies its fields into a @@ -153,6 +172,18 @@ export const DYN_KIND = { SYMBOL: 15, } as const; +/** Union arm kinds whose matchers reject every plain dyn object + * (trustedArmByLiteral). */ +const NON_OBJECT_ARM_KINDS: ReadonlySet = new Set([ + "f64", + "string", + "bool", + "nullT", + "undefinedT", + "bigint", + "symbol", +]); + /** What the dyn helpers need beyond the walker host: interned immortal * unit instances (undefined-armed dynCheck targets build them). */ export interface DynHost extends WalkerHost { @@ -394,6 +425,51 @@ export class LlDyn { B.line(`call void @scr_dyn_build_add(ptr %d, ptr @${name}, ptr ${value})`); } + /** Whether a builder of `def` may pick a plain object's arm by its literal + * discriminator alone inside a trusted build (scr_dyn_trust_enter): the + * arms' literals are disjoint, and every arm without a literal has a kind + * no plain object matches. The value then matched exactly one arm with a + * literal, the arm whose literal it carries. */ + private trustedArmByLiteral(def: IrUnionDef): boolean { + const discriminant = def.discriminant; + if (!discriminant) return false; + const seen = new Set(); + for (const { values } of discriminant.cases) { + for (const value of values) { + const key = `${typeof value}:${String(value)}`; + if (seen.has(key)) return false; + seen.add(key); + } + } + return def.arms.every( + (arm, tag) => + discriminant.cases.some((candidate) => candidate.tag === tag) || + NON_OBJECT_ARM_KINDS.has(arm.kind), + ); + } + + /** Per arm of `def`, the dyn kind of the values a builder may convert into + * that arm without matching its structure inside a trusted build, or null. + * A value there already matched one of the union's arms, so the arm is + * known when it is the only arm that takes values of its kind: the arm + * whose literal a plain object carries (trustedArmByLiteral), or the one + * arm a plain object or an array can match at all. */ + private trustedArmKinds(def: IrUnionDef): (number | null)[] { + const byLiteral = this.trustedArmByLiteral(def); + const objectArms = def.arms.flatMap((arm, tag) => + NON_OBJECT_ARM_KINDS.has(arm.kind) ? [] : [tag], + ); + return def.arms.map((arm, tag) => { + if (def.discriminant?.cases.some((candidate) => candidate.tag === tag)) + return byLiteral ? DYN_KIND.OBJ : null; + if (objectArms.length !== 1 || objectArms[0] !== tag) return null; + if (arm.kind === "array") return DYN_KIND.ARR; + if (arm.kind === "record" && this.host.recordsById.get(arm.shapeId)?.tuple !== true) + return DYN_KIND.OBJ; + return null; + }); + } + /** The order a dyn value tries a union's arms in: the canonical order, * except that among the record arms, those with more required fields go * first, then those with more fields. Records are width-tolerant, so an @@ -461,6 +537,7 @@ export class LlDyn { none: string, preserveRefs: boolean, table: string, + trustedKinds: readonly (number | null)[] = def.arms.map(() => null), ): void { const discriminant = def.discriminant!; const literalsOf = (tag: number): readonly (string | number | boolean)[] | null => @@ -500,7 +577,7 @@ export class LlDyn { positions.forEach((position, index) => { const tag = order[position]!; const failed = B.newLabel("du.c.f"); - this.unionArmStructure(B, def, tag, hits[tag]!, failed, preserveRefs); + this.unionArmStructure(B, def, tag, hits[tag]!, failed, preserveRefs, trustedKinds[tag]!); B.startBlock(failed); const next = index === positions.length - 1 ? none : B.newLabel("du.c.n"); const same = B.tmp(); @@ -523,12 +600,23 @@ export class LlDyn { tryCase(-1); order.forEach((tag, position) => { B.startBlock(from[position]!); - this.unionArmMatch(B, def, tag, hits[tag]!, after(position), preserveRefs); + this.unionArmMatch( + B, + def, + tag, + hits[tag]!, + after(position), + preserveRefs, + trustedKinds[tag]!, + ); }); } /** Branch to a variant only after its literal discriminator and complete - * structure match. Use the same path for predicates and builders. */ + * structure match. Use the same path for predicates and builders. With a + * `trustedKind` (builders, trustedArmKinds), a value of that dyn kind + * inside a trusted build skips the structure match once its literal + * matched. */ private unionArmMatch( B: BlockBuilder, def: IrUnionDef, @@ -536,6 +624,7 @@ export class LlDyn { yes: string, no: string, preserveRefs = false, + trustedKind: number | null = null, ): void { const guard = def.discriminant?.cases.find((candidate) => candidate.tag === tag); if (guard && def.discriminant) { @@ -564,10 +653,12 @@ export class LlDyn { }); B.startBlock(structure); } - this.unionArmStructure(B, def, tag, yes, no, preserveRefs); + this.unionArmStructure(B, def, tag, yes, no, preserveRefs, trustedKind); } - /** The part of unionArmMatch past the arm's literal test. */ + /** The part of unionArmMatch past the arm's literal test. With a + * `trustedKind`, a value of that dyn kind inside a trusted build skips the + * structure match. */ private unionArmStructure( B: BlockBuilder, def: IrUnionDef, @@ -575,7 +666,21 @@ export class LlDyn { yes: string, no: string, preserveRefs: boolean, + trustedKind: number | null = null, ): void { + if (trustedKind !== null) { + this.host.declare(`declare zeroext i1 @scr_dyn_trusted_build()`); + const kind = this.kindOf(B, "%d"); + const sameKind = B.tmp(); + const trusted = B.tmp(); + const skip = B.tmp(); + B.line(`${sameKind} = icmp eq i32 ${kind}, ${trustedKind}`); + B.line(`${trusted} = call zeroext i1 @scr_dyn_trusted_build()`); + B.line(`${skip} = and i1 ${sameKind}, ${trusted}`); + const full = B.newLabel("du.full"); + B.condBr(skip, yes, full); + B.startBlock(full); + } const matches = B.tmp(); B.line( `${matches} = call zeroext i1 @${this.dynMatchHelper(def.arms[tag]!, preserveRefs)}(ptr %d)`, @@ -673,6 +778,13 @@ export class LlDyn { /* ── dyn node plumbing ─────────────────────────────────────────────── */ /** Loads a dyn node's kind tag (after the size_t rc word). */ + /** i1: the checked-dynamic value `d` is undefined. */ + isUndefined(B: BlockBuilder, d: string): string { + const is = B.tmp(); + B.line(`${is} = icmp eq i32 ${this.kindOf(B, d)}, ${DYN_KIND.UNDEF}`); + return is; + } + private kindOf(B: BlockBuilder, d: string): string { const p = B.tmp(); const k = B.tmp(); @@ -1059,7 +1171,7 @@ export class LlDyn { /** `sc_dm_(ptr d) -> i1` — does this dyn fit T? Never throws. */ dynMatchHelper(t: IrType, preserveRefs = false): string { - const key = typeKey(t); + const key = checkedConversionKey(t); const matcherKey = preserveRefs ? `identity:${key}` : key; const existing = this.dynMatchers.get(matcherKey); if (existing) return existing; @@ -1374,7 +1486,7 @@ export class LlDyn { B.startBlock(l0); const n = this.lenOf(B, "%d"); const items = this.itemsOf(B, "%d"); - this.i64Loop(B, "dm.el", n, (i, brNext) => { + this.i64Loop(B, "dm.el", n, (i, brNext, next) => { this.host.declare(`declare zeroext i1 @scr_dyn_arr_has_index(ptr, ${this.S})`); const present = B.tmp(); B.line(`${present} = call zeroext i1 @scr_dyn_arr_has_index(ptr %d, ${this.S} ${i})`); @@ -1385,6 +1497,15 @@ export class LlDyn { brNext(); B.startBlock(valueLabel); const e = this.itemAt(B, items, i); + if (t.optionalElements) { + // A `(T | undefined)[]` stored as T elements takes undefined + // elements as well. + const undef = B.tmp(); + const checkLabel = B.newLabel("dm.check"); + B.line(`${undef} = icmp eq i32 ${this.kindOf(B, e)}, ${DYN_KIND.UNDEF}`); + B.condBr(undef, next, checkLabel); + B.startBlock(checkLabel); + } const ok = B.tmp(); B.line(`${ok} = call zeroext i1 @${m}(ptr ${e})`); const lOk = B.newLabel("dm.eo"); @@ -1860,7 +1981,8 @@ export class LlDyn { * BUILD the typed value (+1), or throw the catchable path-annotated * TypeError and return a dummy with the pending flag set. */ dynCheckHelper(t: IrType, preserveRefs = false): string { - const key = typeKey(t); + // A `(T | undefined)[]` stored as T elements also takes undefined ones. + const key = checkedConversionKey(t); const builderKey = preserveRefs ? `identity:${key}` : key; const existing = this.dynBuilders.get(builderKey); if (existing) return existing; @@ -2667,6 +2789,21 @@ export class LlDyn { B.line(`${ip} = getelementptr inbounds %ScrDynPath, ptr ${pathSlot}, i64 0, i32 2`); B.line(`store ${host.sizeType} ${i}, ptr ${ip}`); const e = this.itemAt(B, items, i); + if (t.optionalElements) { + // An undefined element is a present undefined element. + const undef = B.tmp(); + const storeUndefined = B.newLabel("dca.undef"); + const checkLabel = B.newLabel("dca.check"); + B.line(`${undef} = icmp eq i32 ${this.kindOf(B, e)}, ${DYN_KIND.UNDEF}`); + B.condBr(undef, storeUndefined, checkLabel); + B.startBlock(storeUndefined); + host.declare(`declare void @scr_arr_set_undefined(ptr, double)`); + const at = B.tmp(); + B.line(`${at} = ${sizeToDouble(this.S)} ${this.S} ${i} to double`); + B.line(`call void @scr_arr_set_undefined(ptr ${a}, double ${at})`); + B.br(doneLabel); + B.startBlock(checkLabel); + } const v = B.tmp(); B.line(`${v} = call ${this.valTy(elem)} @${c}(ptr ${e}, ptr ${pathSlot})`); this.pendingBail( @@ -2693,7 +2830,18 @@ export class LlDyn { `llvm emitter bug: dynCheck of unknown union ${t.unionId}`, ); // Arms in unionArmOrder, first FULL match wins. The matched arm's - // builder can no longer fail. + // builder can no longer fail, and it runs as a trusted build: a + // nested union inside it picks the arm trustedArmKinds names without + // matching the structure that this match already checked. + const trustedKinds = preserveRefs ? def.arms.map(() => null) : this.trustedArmKinds(def); + const trustedCall = (call: () => void): void => { + host.declare(`declare zeroext i1 @scr_dyn_trust_enter()`); + host.declare(`declare void @scr_dyn_trust_exit(i1 zeroext)`); + const previous = B.tmp(); + B.line(`${previous} = call zeroext i1 @scr_dyn_trust_enter()`); + call(); + B.line(`call void @scr_dyn_trust_exit(i1 zeroext ${previous})`); + }; const build = (i: number): void => { const arm = def.arms[i]!; if (arm.kind === "undefinedT" || arm.kind === "nullT") { @@ -2721,14 +2869,22 @@ export class LlDyn { } else if (host.nullableUnions.has(t.unionId)) { // A nullable union is its (+1) reference payload. const x = B.tmp(); - B.line(`${x} = call ptr @${this.dynCheckHelper(arm, preserveRefs)}(ptr %d, ptr %path)`); + trustedCall(() => + B.line( + `${x} = call ptr @${this.dynCheckHelper(arm, preserveRefs)}(ptr %d, ptr %path)`, + ), + ); B.terminate(`ret ptr ${x}`); } else { const rc = vAdapters(host, arm); host.declare(`declare ptr @scr_union_new_ref(i32, ptr, ptr, ptr, ptr)`); const x = B.tmp(); const u = B.tmp(); - B.line(`${x} = call ptr @${this.dynCheckHelper(arm, preserveRefs)}(ptr %d, ptr %path)`); + trustedCall(() => + B.line( + `${x} = call ptr @${this.dynCheckHelper(arm, preserveRefs)}(ptr %d, ptr %path)`, + ), + ); B.line( `${u} = call ptr @scr_union_new_ref(i32 ${i}, ptr ${x}, ptr ${rc.retain}, ptr ${rc.release}, ptr ${traceArg(host, arm)})`, ); @@ -2749,6 +2905,7 @@ export class LlDyn { unmatched, preserveRefs, `@${name}.cases`, + trustedKinds, ); for (const i of order) { B.startBlock(hits[i]!); @@ -2759,7 +2916,7 @@ export class LlDyn { for (const i of order) { const lHit = B.newLabel("dcu.h"); const lNext = B.newLabel("dcu.n"); - this.unionArmMatch(B, def, i, lHit, lNext, preserveRefs); + this.unionArmMatch(B, def, i, lHit, lNext, preserveRefs, trustedKinds[i]!); B.startBlock(lHit); build(i); B.startBlock(lNext); diff --git a/packages/compiler/src/backend/llvm/emit-function.ts b/packages/compiler/src/backend/llvm/emit-function.ts index dd0214497..8c9ace9f3 100644 --- a/packages/compiler/src/backend/llvm/emit-function.ts +++ b/packages/compiler/src/backend/llvm/emit-function.ts @@ -20,7 +20,12 @@ import { constructorClass } from "../../ir/final-fields.js"; import { findLoopArrayBorrows } from "./loop-array-borrows.js"; import { findCallArrayReads, findLocalArrayReads } from "./local-array-reads.js"; import { findScalarStringSlices, findScratchStringSlices } from "./string-slices.js"; -import { findMapReadLifetimes, findReadNumberMapWrites } from "./map-read-lifetimes.js"; +import { + findMapReadBorrows, + findMapReadLifetimes, + findReadNumberMapWrites, +} from "./map-read-lifetimes.js"; +import { borrowableMapGet } from "./expr-containers.js"; import { findMapEntryFusions } from "./map-entry-fusion.js"; import { findLocalStackUnions } from "./stack-unions.js"; import { findLocalStackObjects, findReassignedStackObjects } from "./stack-objects.js"; @@ -200,6 +205,17 @@ export function emitFunction(emitter: LlEmitter, fn: IrFunction): string { fn, emitter.boxedUnionsById, emitter.callLifetimes, + emitter.referenceEffects, + ); + const stable = emitter.callLifetimes.bindings.get(fn.name); + emitter.borrowedMapGets = findMapReadBorrows( + fn, + emitter.referenceEffects, + (decl) => + decl.init !== null && + stable?.has(decl.localId) === true && + !emitter.mapReadLifetimes.locals.has(decl.localId) && + borrowableMapGet(emitter, decl.init), ); emitter.readNumberMapWrites = findReadNumberMapWrites(fn); emitter.numberMapKeyIntegers = new Map(); diff --git a/packages/compiler/src/backend/llvm/emit-journal.ts b/packages/compiler/src/backend/llvm/emit-journal.ts index ad89d2671..b2b3fc4cc 100644 --- a/packages/compiler/src/backend/llvm/emit-journal.ts +++ b/packages/compiler/src/backend/llvm/emit-journal.ts @@ -5,6 +5,7 @@ * replay calls the same entry point with the same arguments, so every * helper gets the number and the definition the serial emission gives it, * and the range's text is renamed to those numbers. */ +import type { DebugRequest } from "./debug-info.js"; import type { LlEmitter } from "./emitter.js"; /** One event of a range's emission, in order. */ @@ -97,6 +98,8 @@ export class EmitJournal { * worker process can write it. */ export interface ChunkResult { readonly entries: readonly JournalEntry[]; + /** The requests that added debug metadata nodes (LlvmDebugInfo.record). */ + readonly debugRequests: readonly DebugRequest[]; readonly flags: { readonly usesCoroutines: boolean; readonly usesTimers: boolean; @@ -152,23 +155,83 @@ export function replayJournal( } /** The rename of a range's text: numbered names (`names`, without the - * sigil) and field alias tags (`tags`). One scan for each kind of name: - * a numbered name starts `sc_` after a character that cannot be part of a - * name, and ends at the last digit after its counter prefix. */ + * sigil), field alias tags (`tags`) and debug metadata ids (`debugIds`, + * `!N`). One scan for each kind of name: a numbered name starts `sc_` + * after a character that cannot be part of a name, and ends at the last + * digit after its counter prefix. */ export function renameChunk( names: ReadonlyMap, tags: ReadonlyMap, + debugIds: ReadonlyMap = new Map(), ): (text: string) => string { const prefixes = new Set(); for (const name of names.keys()) prefixes.add(name.replace(/\d+$/, "")); - if (prefixes.size === 0 && tags.size === 0) return (text) => text; + if (prefixes.size === 0 && tags.size === 0 && debugIds.size === 0) return (text) => text; return (text) => { let out = prefixes.size === 0 ? text : renameNames(text, names, prefixes); if (tags.size > 0) out = renameTags(out, tags); + if (debugIds.size > 0) out = renameDebugIds(out, debugIds); return out; }; } +/** Renames metadata references `!N` outside string literals and comments. + * Debug builds attach no alias tags, so every such reference in a + * function's text is a debug metadata id. A string literal or a comment + * (`;` outside a string literal) ends at the end of its line; a quote + * inside a string literal is escaped (`\22`). */ +function renameDebugIds(text: string, ids: ReadonlyMap): string { + const parts: string[] = []; + let copied = 0; + // The line of the reference being looked at, and whether the reference + // is inside a string literal or a comment there. The next quote and + // semicolon positions only move forward, so each is found once. + let lineEnd = -1; + let quoted = false; + let comment = false; + let quote = text.indexOf('"'); + let semicolon = text.indexOf(";"); + for (let at = text.indexOf("!"); at >= 0; at = text.indexOf("!", at + 1)) { + if (at > lineEnd) { + lineEnd = text.indexOf("\n", at); + if (lineEnd < 0) lineEnd = text.length; + quoted = false; + comment = false; + // Quotes and semicolons of earlier lines end with them. + if ((quote >= 0 && quote < at) || (semicolon >= 0 && semicolon < at)) { + const lineStart = text.lastIndexOf("\n", at) + 1; + while (quote >= 0 && quote < lineStart) quote = text.indexOf('"', quote + 1); + while (semicolon >= 0 && semicolon < lineStart) + semicolon = text.indexOf(";", semicolon + 1); + } + } + while (!comment) { + const nextQuote = quote >= 0 && quote < at ? quote : -1; + const nextSemicolon = semicolon >= 0 && semicolon < at ? semicolon : -1; + if (nextQuote < 0 && nextSemicolon < 0) break; + if (nextQuote >= 0 && (nextSemicolon < 0 || nextQuote < nextSemicolon)) { + quoted = !quoted; + quote = text.indexOf('"', quote + 1); + } else { + if (!quoted) comment = true; + semicolon = text.indexOf(";", semicolon + 1); + } + } + if (quoted || comment) continue; + if (at > 0 && isNameChar(text.charCodeAt(at - 1))) continue; + let end = at + 1; + while (end < text.length && isDigit(text.charCodeAt(end))) end++; + if (end === at + 1 || (end < text.length && isNameChar(text.charCodeAt(end)))) continue; + const own = ids.get(text.slice(at, end)); + if (own === undefined) continue; + parts.push(text.slice(copied, at), own); + copied = end; + } + if (copied === 0) return text; + parts.push(text.slice(copied)); + return parts.join(""); +} + function renameNames( text: string, names: ReadonlyMap, diff --git a/packages/compiler/src/backend/llvm/emit-module.ts b/packages/compiler/src/backend/llvm/emit-module.ts index dfdd95451..ee9089071 100644 --- a/packages/compiler/src/backend/llvm/emit-module.ts +++ b/packages/compiler/src/backend/llvm/emit-module.ts @@ -134,6 +134,7 @@ function emitFunctionsOnWorkers(emitter: LlEmitter, workers: number): string[] | let code = 1; try { emitter.journal = new EmitJournal(); + emitter.debug?.record(); const texts: string[] = []; for (const fn of functions.slice(range * size, (range + 1) * size)) { texts.push(emitter.emitFunction(fn)); @@ -230,13 +231,10 @@ const PARTITION_GROUP_END = "; scriptc-group"; export function emitModuleParts(emitter: LlEmitter): string[] { // Function bodies first (the literal/unit/fn-value tables fill as they // emit), then the file assembles around them — the runtime ABI’s order. - // Debug metadata is numbered per emitter and not journaled, so a debug - // build emits every body here. - const ranges = emitter.debug === null; const chunks = emitter.targetOptions.functionChunks ?? 1; const fnDefs = - (ranges && chunks > 1 ? emitFunctionsInChunks(emitter, chunks) : null) ?? - (ranges ? emitFunctionsOnWorkers(emitter, emitter.targetOptions.functionWorkers ?? 1) : null) ?? + (chunks > 1 ? emitFunctionsInChunks(emitter, chunks) : null) ?? + emitFunctionsOnWorkers(emitter, emitter.targetOptions.functionWorkers ?? 1) ?? []; if (fnDefs.length === 0) for (const fn of emitter.mod.functions) { @@ -1677,8 +1675,8 @@ export function helperDefs(emitter: LlEmitter): string[] { // order; other differing words decide by their first differing byte, // and strings shorter than a word by their first byte. Otherwise a // proven-ASCII string on either side orders by bytes (scr_str_cmp), and - // other pairs call scr_str_cmp_u16_bytes, which only reads the two - // strings, so LLVM can merge repeated comparisons of one pair. Callers + // other pairs call scr_str_cmp_u16_bytes. Both only read the two strings, + // so LLVM can merge repeated comparisons of one pair. Callers // only test the sign of the result. if (emitter.decls.has(`declare i32 @scr_str_cmp_u16(ptr, ptr)`)) { const fn = "scr_str_cmp_u16"; @@ -1808,7 +1806,7 @@ export function helperDefs(emitter: LlEmitter): string[] { ` %anyascii = icmp slt i32 %cws, 0`, ` br i1 %anyascii, label %memorder, label %units`, `memorder:`, - ` %m = call i32 @scr_str_cmp(ptr %a, ptr %b)`, + ` %m = call i32 @scr_str_cmp(ptr %a, ptr %b) nounwind willreturn memory(argmem: read)`, ` ret i32 %m`, `units:`, ` %c = call i32 @scr_str_cmp_u16_bytes(ptr %a, ptr %b) nounwind willreturn memory(argmem: read)`, diff --git a/packages/compiler/src/backend/llvm/emit-statements.ts b/packages/compiler/src/backend/llvm/emit-statements.ts index 63bae226e..cbdeb0558 100644 --- a/packages/compiler/src/backend/llvm/emit-statements.ts +++ b/packages/compiler/src/backend/llvm/emit-statements.ts @@ -32,7 +32,7 @@ import { allocateLocalUnion, storeLocalUnion } from "./local-union-storage.js"; import { boxAccess, boxNewCall, elemAccess } from "./shapes.js"; import { dynHoleRead } from "./loop-array-borrows.js"; import { endsWithJump, matchStringSelfConcat } from "../../ir/analysis.js"; -import { charAtUnitRead, emitDiscardedSplice } from "./expr-containers.js"; +import { charAtUnitRead, emitBorrowedMapGet, emitDiscardedSplice } from "./expr-containers.js"; import { InternalCompilerError } from "../../errors.js"; import { emitDenseArrayGet, @@ -105,6 +105,19 @@ export function emitStmtBody(emitter: LlEmitter, s: IrStmt): void { break; } const b = emitter.binding(s.localId); + if ( + emitter.borrowedMapGets.has(s.localId) && + b.kind === "local" && + s.init?.kind === "mapIntrinsic" + ) { + // The map entry's own reference: no retain now, no release at scope + // exit (findMapReadBorrows). + const borrowed = emitBorrowedMapGet(emitter, s.init); + if (borrowed) { + B.line(`store ptr ${borrowed.name}, ptr ${b.slot}`); + break; + } + } if (emitter.walkBorrows.has(s.localId) && b.kind === "local") { // A borrowed walk pointer: no retain now, no release at scope exit. const v = s.init === null ? "null" : emitter.emitReadReceiver(s.init).name; @@ -465,6 +478,9 @@ export function emitStmtBody(emitter: LlEmitter, s: IrStmt): void { emitter.publishedTypes?.containerGuarded(s.arr.type) !== true ) break; + // The literal it follows was constructed with this capacity + // (reservedArrayLength). + if (emitter.consumedReserves.delete(s)) break; const arr = emitBorrowedInput(emitter, s.arr); const length = emitter.emitExpr(s.length); if (s.arr.type.kind !== "array") diff --git a/packages/compiler/src/backend/llvm/emitter.ts b/packages/compiler/src/backend/llvm/emitter.ts index 8049f8624..8dc1f912a 100644 --- a/packages/compiler/src/backend/llvm/emitter.ts +++ b/packages/compiler/src/backend/llvm/emitter.ts @@ -17,6 +17,7 @@ import { import { youngNurseryRequested } from "../young-nursery.js"; import { llvmBytes as llBytes, wtf8Bytes } from "../literals.js"; import { InternalCompilerError } from "../../errors.js"; +import { serializeModuleParts } from "../../ir/serialize.js"; import { createHash } from "node:crypto"; import { endsWithJump, @@ -88,6 +89,8 @@ import { fillAllocationLength, int32ArrayKey, selectInt32Arrays, + type Int32ArrayProof, + type Int32ArrayRevision, } from "../../ir/int32-arrays.js"; import { everyExpr, everyExprChild, everyStmtChild, everyStmtList } from "../../ir/traverse.js"; import { @@ -103,6 +106,7 @@ import { resolveSelfCaptures } from "../../ir/self-captures.js"; import { analyzeInt32Slots, dynamicFieldStores, + Int32RevisionConflict, type DynamicFieldStores, Int32Slots, } from "../../ir/int32-slots.js"; @@ -198,7 +202,7 @@ import { ReferenceEffects } from "./reference-effects.js"; import { ReferenceWrites, type Writes } from "./reference-writes.js"; import { LlvmDebugInfo } from "./debug-info.js"; import { StackCallbacks } from "./stack-callbacks.js"; -import { findAppendedArrayLiterals } from "./appended-array-literals.js"; +import { findAppendedArrayLiterals, reservedArrayLength } from "./appended-array-literals.js"; import { AmbientReceiverReaders, findConstantCallbacks } from "./constant-callbacks.js"; import { findLentRecordFields, @@ -472,14 +476,13 @@ export interface LlvmTargetOptions { * earlier emission found breaking its rules (UnwindAbiViolation). */ unwindExcluded?: ReadonlySet; /** Emit the function bodies in this many contiguous ranges, each by its - * own emitter, and merge them in function order (emit-journal.ts). The - * output is the same as one emitter's. Debug builds (`debugSources`) - * emit in one emitter. */ + * own emitter, and merge them in function order (emit-journal.ts, and + * debug-info.ts for debug metadata). The output is the same as one + * emitter's. */ functionChunks?: number; /** Emit the function bodies of a large module on this many forked worker * processes at a time (emit-module.ts), forked with `forkPrimitives`. The - * output is the same as one emitter's. Debug builds (`debugSources`) - * emit in one emitter. */ + * output is the same as one emitter's. */ functionWorkers?: number; /** The host's process primitives, where it can fork (the native * compiler's). */ @@ -554,15 +557,60 @@ export interface Int32SlotAnalysis { readonly slots: Int32Slots; } -/** The int32 slot analysis of `mod`, with the inputs LlEmitter gives it. */ -function analyzeModuleInt32Slots(mod: IrModule): Int32SlotAnalysis { +/** The int32 slot analysis of `mod`, with the inputs LlEmitter gives it. + * With `revise`, the analysis revises the functions of candidates that drop + * (Int32SlotInputs.revise), and `mod` is the module it started from. */ +function analyzeModuleInt32Slots( + mod: IrModule, + revise?: (fnName: string, dropped: ReadonlySet) => IrFunction, +): Int32SlotAnalysis { const nodeIndex = new IrNodeIndex(mod); const initializerBindings = findInitializerBindings(mod, nodeIndex); const dynamicStores = dynamicFieldStores(mod, undefined, undefined, nodeIndex); - const slots = analyzeInt32Slots(mod, { dynamicStores, initializerBindings, nodes: nodeIndex }); + const slots = analyzeInt32Slots(mod, { + dynamicStores, + initializerBindings, + nodes: nodeIndex, + ...(revise === undefined ? {} : { revise }), + }); return { mod, nodeIndex, initializerBindings, dynamicStores, slots }; } +/** The candidates an analysis keeps: int32 arrays and checked ones. */ +function keptInt32Arrays(analysis: Int32SlotAnalysis): ReadonlySet { + return new Set([...analysis.slots.int32Arrays, ...analysis.slots.checkedInt32Arrays]); +} + +/** An analysis that revised functions (analyzeModuleInt32Slots' `revise`) + * as the analysis of `mod`, the module of the functions it ended with: the + * node index of `mod`, and its initializer bindings and dynamic stores, + * which must be the ones the analysis read. Null when they differ. */ +function revisedAnalysis(analysis: Int32SlotAnalysis, mod: IrModule): Int32SlotAnalysis | null { + const nodeIndex = new IrNodeIndex(mod); + const initializerBindings = findInitializerBindings(mod, nodeIndex); + const dynamicStores = dynamicFieldStores(mod, undefined, undefined, nodeIndex); + const read = analysis.initializerBindings; + if (initializerBindings.size !== read.size) return null; + for (const [name, globals] of initializerBindings) { + const other = read.get(name); + if (other?.length !== globals.length || globals.some((g, i) => other[i] !== g)) return null; + } + const stores = analysis.dynamicStores; + if ( + dynamicStores.all !== stores.all || + dynamicStores.names.size !== stores.names.size || + [...dynamicStores.names].some((name) => !stores.names.has(name)) + ) + return null; + return { + mod, + nodeIndex, + initializerBindings, + dynamicStores, + slots: analysis.slots, + }; +} + /** The functions whose calls the backend may emit as calls of their * result-slot entries (record-results.ts). */ function resultEntryTargets(mod: IrModule): ReadonlySet { @@ -577,57 +625,127 @@ function moduleEmitter(input: IrModule, options: LlvmTargetOptions): LlEmitter { // Facts are keyed by node identity: emit the same module whether it was // lowered in memory or read back from its serialized form. const mod = unshareNodes(input); - // Each round of selectInt32Arrays analyzes the module it marks; the - // emitter of the module it returns reuses that round's analysis. - const rounds: { last: Int32SlotAnalysis | null } = { last: null }; - const proven = (marked: IrModule): ReadonlySet => { - const analysis = analyzeModuleInt32Slots(marked); - rounds.last = analysis; - return new Set([...analysis.slots.int32Arrays, ...analysis.slots.checkedInt32Arrays]); + // Each proof selectInt32Arrays asks for analyzes a marked module; the + // emitter of the module it returns reuses the last one. A proof that + // revised functions analyzed the module of the functions it ended with. + const rounds: { + last: Int32SlotAnalysis | null; + functions: readonly IrFunction[] | null; + revising: boolean; + } = { last: null, functions: null, revising: true }; + const proven = (marked: IrModule, revise: Int32ArrayRevision | null): Int32ArrayProof | null => { + rounds.functions = null; + if (revise === null || !rounds.revising) { + rounds.last = analyzeModuleInt32Slots(marked); + return { kept: keptInt32Arrays(rounds.last), functions: null }; + } + const latest = new Map(); + try { + rounds.last = analyzeModuleInt32Slots(marked, (fnName, dropped) => { + const fn = revise(fnName, dropped); + latest.set(fnName, fn); + return fn; + }); + } catch (error) { + if (!(error instanceof Int32RevisionConflict)) throw error; + rounds.last = null; + return null; + } + if (latest.size === 0) return { kept: keptInt32Arrays(rounds.last), functions: null }; + rounds.functions = marked.functions.map((fn) => latest.get(fn.name) ?? fn); + return { kept: keptInt32Arrays(rounds.last), functions: rounds.functions }; }; // Keep source storage intact for debugger inspection in dev builds. - const emitted = - options.debugSources === undefined - ? selectInt32Arrays( - versionParameters( - addRecordResultEntries( - scalarizeLiteralResults( - scalarizeNumericRecords( - specializeCallbackCalls( - specializeNumericCalls( - pairRowSums( - inlineExpressionFunctions( - foldConstantGlobals( - copyStableCaptures( - resolveSelfCaptures( - hoistFinalFieldReads( - freezeInitOnlyGlobals( - holdCharLocalsAsUnits( - dropUnwrittenPropertyBags(runPairedWhileLoopsAsFor(mod)), - ), - ), - ), - ), + if (options.debugSources !== undefined) return new LlEmitter(mod, options, null, null); + const passed = versionParameters( + addRecordResultEntries( + scalarizeLiteralResults( + scalarizeNumericRecords( + specializeCallbackCalls( + specializeNumericCalls( + pairRowSums( + inlineExpressionFunctions( + foldConstantGlobals( + copyStableCaptures( + resolveSelfCaptures( + hoistFinalFieldReads( + freezeInitOnlyGlobals( + holdCharLocalsAsUnits( + dropUnwrittenPropertyBags(runPairedWhileLoopsAsFor(mod)), ), ), ), ), - mangleFunction, ), - mangleFunction, ), ), ), + mangleFunction, ), + mangleFunction, ), - proven, - resultEntryTargets, - ) - : mod; - const prepared = rounds.last; + ), + ), + ), + ); + let emitted = selectInt32Arrays(passed, proven, resultEntryTargets); + let prepared = rounds.last; + // A proof that revised functions analyzed the module of the functions it + // ended with, which is the selected module unless selection fell back to + // rounds: then the selected module was proved by its own round. + if (prepared !== null && rounds.functions !== null && prepared.mod !== emitted) { + const functions = rounds.functions; + prepared = + emitted !== passed && + emitted.functions.length === functions.length && + emitted.functions.every((fn, i) => fn === functions[i]) + ? revisedAnalysis(prepared, emitted) + : null; + if (prepared === null && emitted !== passed) { + rounds.revising = false; + emitted = selectInt32Arrays(passed, proven, resultEntryTargets); + prepared = rounds.last; + } + } + if (process.env["SCRIPTC_INT32_VERIFY"] === "1") + verifyInt32Selection(passed, emitted, prepared?.mod === emitted ? prepared : null); return new LlEmitter(emitted, options, null, prepared?.mod === emitted ? prepared : null); } +/** SCRIPTC_INT32_VERIFY=1: throws unless the selection with revisions + * (`emitted`, and the analysis the emitter takes over) is the one rounds + * without revisions give: the same module, and the same facts. */ +function verifyInt32Selection( + passed: IrModule, + emitted: IrModule, + analysis: Int32SlotAnalysis | null, +): void { + let last: Int32SlotAnalysis | null = null; + const reference = selectInt32Arrays( + passed, + (marked) => { + last = analyzeModuleInt32Slots(marked); + return { kept: keptInt32Arrays(last), functions: null }; + }, + resultEntryTargets, + ); + const text = (mod: IrModule): string => serializeModuleParts(mod).join(""); + if (text(reference) !== text(emitted)) + throw new InternalCompilerError("int32 selection: the revised module differs from the rounds'"); + const facts = (mod: IrModule, prepared: Int32SlotAnalysis | null): string => + (prepared?.mod === mod ? prepared : analyzeModuleInt32Slots(mod)).slots.summary(mod); + const expected = facts(reference, last); + const actual = facts(emitted, analysis); + if (expected !== actual) { + const want = expected.split("\n"); + const got = actual.split("\n"); + const line = want.findIndex((entry, i) => entry !== got[i]); + throw new InternalCompilerError( + `int32 selection: the revised analysis differs from the rounds': ${want[line]?.slice(0, 400)} != ${got[line]?.slice(0, 400)}`, + ); + } +} + /** Emits the module's parts, emitting it again with the functions an * UnwindAbiViolation names on the pending-flag ABI. */ function emitModuleText(input: IrModule, options: LlvmTargetOptions): string[] { @@ -1242,6 +1360,9 @@ export class LlEmitter { readonly checkedNarrows: CheckedNarrows; callArrayReads = new Map(); mapReadLifetimes: MapReadLifetimes = { locals: new Map(), arguments: new Map() }; + /** Locals of the current function that hold a Map.get result as the + * entry's own reference (findMapReadBorrows, borrowableMapGet). */ + borrowedMapGets: ReadonlySet = new Set(); readNumberMapWrites: ReadonlySet = new Set(); /** The integer views of the current function's number Map/Set keys, by * the key's double operand (noteNumberMapKey, map-number-lookup.ts). */ @@ -1357,6 +1478,11 @@ export class LlEmitter { /** Locals whose array literal emitStmts left for the `await Promise.all` * that reads them (deferredPromiseAllLocal). */ private readonly deferredPromiseAllEntries = new Map>(); + /** Empty array literals that a capacity hint follows directly + * (reservedArrayLength), with that hint. Constructing the literal with + * the hinted capacity consumes the hint, which then emits nothing. */ + readonly reservedArrayLengths = new Map(); + readonly consumedReserves = new Set(); /** The promise a `return` emitted past its finally regions already * produced for its adopting await (borrowed from the return's parked * slot); that await takes it instead of evaluating its operand. */ @@ -1440,7 +1566,12 @@ export class LlEmitter { /** Preorder intervals of the runtime error classes under THIS module's * class-forest numbering (main() stamps scr_error_vts with them, exactly * like the runtime ABI’s errorVtStampLines). */ - readonly errorIntervals: { kind: number; pre: number; post: number; lib: string }[] = []; + readonly errorIntervals: { + kind: number; + pre: number; + post: number; + lib: string; + }[] = []; /** The runtime emitter vtable's preorder interval, when the program * touches node:events (the class def rides the module exactly then) — * main() stamps scr_emitter_vt with it (emitterVtStampLines, ported). */ @@ -1449,7 +1580,12 @@ export class LlEmitter { * ported): the defs ride every emitter-touching module (the frontend * collects the whole emitter-rooted tree), and scr_stream.c links on * the same predicate, so the stamps always have their globals. */ - readonly streamIntervals: { vt: string; pre: number; post: number; lib: string }[] = []; + readonly streamIntervals: { + vt: string; + pre: number; + post: number; + lib: string; + }[] = []; // ── per-function state (reset in emitFunction) ───────────────────────── B = new BlockBuilder(); @@ -1522,7 +1658,12 @@ export class LlEmitter { /** Active induction bindings retain their width independently of size_t. */ integerLoopBindings = new Map< string, - { slot: string; type: "i32" | "i64"; signed?: boolean; range?: { min: number; max: number } } + { + slot: string; + type: "i32" | "i64"; + signed?: boolean; + range?: { min: number; max: number }; + } >(); /** Constant number locals whose latest emitted declaration stored an * exact integer beside the double, such as `const j = i * 4` in a @@ -1605,7 +1746,11 @@ export class LlEmitter { * (the fast copy) or as double arrays (an ordinary copy entered only * after they widened), as `function\0local` keys, and where each of the * fast copy's writes resumes in the third copy. */ - int32Kinds: { int32: Set; wide: Set; resume: Map } | null = null; + int32Kinds: { + int32: Set; + wide: Set; + resume: Map; + } | null = null; /** The resume label of the fast-copy write being emitted. */ int32KindResume: string | null = null; /** The function being emitted, for speculative globals. */ @@ -1679,7 +1824,12 @@ export class LlEmitter { * releases frames/scopes down to the recorded depths and branches to * `label` (the catch, or the exception-path finally) instead of * returning out of the function. Entering a try emits no code. */ - tryStack: { label: string; used: boolean; frameDepth: number; scopeDepth: number }[] = []; + tryStack: { + label: string; + used: boolean; + frameDepth: number; + scopeDepth: number; + }[] = []; /** Return type of the function being emitted — the unwind path returns * a dummy of this type (never read: callers check the flag first). */ currentReturnType: IrType = VOID; @@ -1738,9 +1888,7 @@ export class LlEmitter { this.journal = journal; this.journaled = journal !== null || - ((options.functionWorkers ?? 1) > 1 && - options.forkPrimitives !== undefined && - options.debugSources === undefined); + ((options.functionWorkers ?? 1) > 1 && options.forkPrimitives !== undefined); // One walk of every body, which the analyses below read instead of // walking the bodies themselves. this.nodeIndex = int32Analysis?.nodeIndex ?? new IrNodeIndex(mod); @@ -5113,6 +5261,7 @@ export class LlEmitter { chunkResult(): ChunkResult { return { entries: this.journal!.entries, + debugRequests: this.debug?.recorded() ?? [], flags: { usesCoroutines: this.usesCoroutines, usesTimers: this.usesTimers, @@ -5148,6 +5297,8 @@ export class LlEmitter { // emission left them (a helper set guards the declarations its first // request adds). replayJournal(this, chunk.entries, names, tags); + const debugIds = new Map(); + this.debug?.replay(chunk.debugRequests, (name) => this.functionNamed(name), debugIds); const flags = chunk.flags; this.usesCoroutines ||= flags.usesCoroutines; this.usesTimers ||= flags.usesTimers; @@ -5168,7 +5319,13 @@ export class LlEmitter { for (const name of chunk.adoptCallees) this.adoptCallees.add(name); for (const name of chunk.directAwaitCallees) this.directAwaitCallees.add(name); for (const name of chunk.inlineAwaitCallees) this.inlineAwaitCallees.add(name); - return renameChunk(names, tags); + return renameChunk(names, tags, debugIds); + } + + private functionNamed(name: string): IrFunction { + const fn = this.fnByName.get(name); + if (fn === undefined) throw new InternalCompilerError(`llvm emitter bug: no function ${name}`); + return fn; } /** Adds a content-named constant a chunk interned. Its symbol is this @@ -5296,7 +5453,13 @@ export class LlEmitter { /** An emitter for a range of this module's functions: the same facts, * empty module-level tables, and a journal of what the range adds. */ chunkEmitter(): LlEmitter { - return new LlEmitter(this.mod, { ...this.targetOptions, functionChunks: 1 }, new EmitJournal()); + const chunk = new LlEmitter( + this.mod, + { ...this.targetOptions, functionChunks: 1 }, + new EmitJournal(), + ); + chunk.debug?.record(); + return chunk; } /** The double-ABI entry of a function with an i32 entry: every caller @@ -5898,6 +6061,8 @@ export class LlEmitter { if (this.B.isTerminated()) return; if (cursor) cursor.index = i; this.stmtCursor = cursor; + const reserve = reservedArrayLength(stmts, i); + if (reserve !== null) this.reservedArrayLengths.set(reserve.literal, reserve.hint); const deferred = this.deferredPromiseAllLocal(stmts, i); if (deferred !== null) { this.deferredPromiseAllEntries.set((stmts[i] as { localId: string }).localId, deferred); @@ -7195,7 +7360,10 @@ export class LlEmitter { return childDataDynThunkFor(this, chunk); } - emitterFixedAdapter(cbT: IrType & { kind: "func" }): { fn: string; shim: string } { + emitterFixedAdapter(cbT: IrType & { kind: "func" }): { + fn: string; + shim: string; + } { return emitterFixedAdapter(this, cbT); } diff --git a/packages/compiler/src/backend/llvm/expr-containers.ts b/packages/compiler/src/backend/llvm/expr-containers.ts index 98389b2e5..307481737 100644 --- a/packages/compiler/src/backend/llvm/expr-containers.ts +++ b/packages/compiler/src/backend/llvm/expr-containers.ts @@ -1145,6 +1145,65 @@ export function emitArrIntrinsic( } } +/** Whether `e` is a Map.get that emitBorrowedMapGet can emit without a + * retain: a typed map with number or inline string keys, a reference value, + * and a nullable result (the value's pointer, or the absent arm's). */ +export function borrowableMapGet(host: LlvmEmitterContext, e: IrExpr): boolean { + if (e.kind !== "mapIntrinsic" || e.method !== "get" || e.args.length !== 1) return false; + if (!borrowsMapReadInputs(e) || e.receiver.type.kind !== "map") return false; + const { key, value } = e.receiver.type; + if (!isRefCounted(value) || value.kind === "union" || key.kind === "union") return false; + if (e.type.kind !== "union" || !host.nullableUnions.has(e.type.unionId)) return false; + const arg = e.args[0]!; + const access = mapKeyAccess(key); + return ( + (access === "f64" && arg.type.kind === "f64") || + (access === "str" && arg.type.kind === "string") + ); +} + +/** A borrowableMapGet read as the entry's own reference: no retain, and + * no owner. The caller proves that nothing can change the map while the + * value is used (findMapReadBorrows). Null, before emitting anything, for + * a key held as a split span, which takes the runtime's owned lookup. */ +export function emitBorrowedMapGet( + host: LlvmEmitterContext, + e: IrExpr & { kind: "mapIntrinsic" }, +): LlValue | null { + const arg = e.args[0]!; + if (arg.kind === "varRef" && host.splitSpans.get(arg.localId) !== undefined) return null; + const B = host.B; + const mapType = e.receiver.type as IrType & { kind: "map" }; + const r = host.emitStableReceiver(e.receiver, e.args); + const k = emitMapLookupKey(host, e.args[0]!, true); + const numberKey = inlineNumberKey(k); + const stringKey = entryStringKey(k); + const value = mapType.value; + let raw: string; + if (numberKey !== null) raw = emitNumberMapGetRef(host, r.name, numberKey, value, true); + else if (stringKey !== null) + raw = emitStringMapGetRef( + host, + r.name, + stringKey, + value, + compactMapValues(host, mapType.key, value), + true, + ); + else throw new InternalCompilerError("llvm emitter bug: borrowed Map.get without an inline key"); + const resultType = e.type as IrType & { kind: "union" }; + const absent = host.unitInstanceRef( + resultType.unionId, + undefinedArmTag(resultType, host.unionsById), + ); + if (absent === "null") return { name: raw, type: e.type }; + const isnull = B.tmp(), + t = B.tmp(); + B.line(`${isnull} = icmp eq ptr ${raw}, null`); + B.line(`${t} = select i1 ${isnull}, ptr ${absent}, ptr ${raw}`); + return { name: t, type: e.type }; +} + export function wrapNullable( host: LlvmEmitterContext, raw: string, diff --git a/packages/compiler/src/backend/llvm/expr-primitives.ts b/packages/compiler/src/backend/llvm/expr-primitives.ts index 1ff7d47a4..d3b72897e 100644 --- a/packages/compiler/src/backend/llvm/expr-primitives.ts +++ b/packages/compiler/src/backend/llvm/expr-primitives.ts @@ -946,6 +946,34 @@ export function emitStringExpr( } } +/** scr_arr_reserve_len reserves dense storage only up to this many slots + * (SCR_ARR_DENSE_LIMIT, scr_array.c). */ +const RESERVE_LIMIT = 2 ** 20; + +/** Elements the inline slots of a small array construction + * (scr_arr_new_small, scr_arr_new_ops_small) hold at least + * (SCR_ARR_SMALL_SLOTS, scr_array.c). */ +const SMALL_ARRAY_SLOTS = 3; + +/** The capacity scr_arr_reserve_len would reserve for `length` on an empty + * array: the length truncated when it is at least 1 and at most + * RESERVE_LIMIT, else 0. */ +function reservedCapacity(host: LlvmEmitterContext, length: IrExpr): string { + const B = host.B; + const n = host.emitExpr(length); + const atLeastOne = B.tmp(), + withinLimit = B.tmp(), + reserves = B.tmp(), + slots = B.tmp(), + capacity = B.tmp(); + B.line(`${atLeastOne} = fcmp oge double ${n.name}, ${f64Lit(1)}`); + B.line(`${withinLimit} = fcmp ole double ${n.name}, ${f64Lit(RESERVE_LIMIT)}`); + B.line(`${reserves} = and i1 ${atLeastOne}, ${withinLimit}`); + B.line(`${slots} = select i1 ${reserves}, double ${n.name}, double ${f64Lit(0)}`); + B.line(`${capacity} = fptoui double ${slots} to ${host.sizeType}`); + return capacity; +} + export function emitContainerExpr( host: LlvmEmitterContext, e: ExprOf< @@ -1017,7 +1045,34 @@ export function emitContainerExpr( ? `${arr} = call ptr @scr_arr_new_small(i32 ${SCR_ELEM_I32})` : `${arr} = call ptr @scr_arr_new(i32 ${SCR_ELEM_I32}, ${host.sizeType} ${capacity})`, ); - } else B.line(`${arr} = ${arrNewCall(host.shapeHost, elem, String(capacity), small)}`); + } else { + const hint = host.reservedArrayLengths.get(e); + if (hint !== undefined) { + host.reservedArrayLengths.delete(e); + host.consumedReserves.add(hint); + const capacity = reservedCapacity(host, hint.length); + // The small construction's inline slots hold at least + // SMALL_ARRAY_SLOTS elements; larger capacities are sized. + const fits = B.tmp(), + smallArr = B.tmp(), + sizedArr = B.tmp(); + const smallLabel = B.newLabel("arr.cap.small"), + sizedLabel = B.newLabel("arr.cap.sized"), + joined = B.newLabel("arr.cap.j"); + B.line(`${fits} = icmp ule ${host.sizeType} ${capacity}, ${SMALL_ARRAY_SLOTS}`); + B.condBr(fits, smallLabel, sizedLabel); + B.startBlock(smallLabel); + B.line(`${smallArr} = ${arrNewCall(host.shapeHost, elem, "0", true)}`); + B.br(joined); + B.startBlock(sizedLabel); + B.line(`${sizedArr} = ${arrNewCall(host.shapeHost, elem, capacity)}`); + B.br(joined); + B.startBlock(joined); + B.line( + `${arr} = phi ptr [ ${smallArr}, %${smallLabel} ], [ ${sizedArr}, %${sizedLabel} ]`, + ); + } else B.line(`${arr} = ${arrNewCall(host.shapeHost, elem, String(capacity), small)}`); + } const out = host.own({ name: arr, type: e.type }); const acc: ArrayAccess = int32 ? "i32" : elemAccess(elem); let pending: LlValue[] = []; diff --git a/packages/compiler/src/backend/llvm/expr-stream-bridges.ts b/packages/compiler/src/backend/llvm/expr-stream-bridges.ts index fa27869d0..57172068f 100644 --- a/packages/compiler/src/backend/llvm/expr-stream-bridges.ts +++ b/packages/compiler/src/backend/llvm/expr-stream-bridges.ts @@ -792,13 +792,16 @@ export function streamTypedRefMaterializeAdapter( t: IrType, ): LlStreamTypedRefAdapter { const key = typeKey(t); - const existing = host.liveDynRefAdapters.get(key); + // A `(T | undefined)[]` stored as T elements shares T[]'s capsule type, + // but its adapters also store undefined elements. + const adapterKey = t.kind === "array" && t.optionalElements ? `${key}?` : key; + const existing = host.liveDynRefAdapters.get(adapterKey); if (existing) return existing; // The converter depends only on the static type. Intern the complete // graph across roots and union arms so recursive types emit once. const snapshot = `sc_ldr_${host.liveDynRefAdapters.size}_materialize`; const adapter: LlStreamTypedRefAdapter = { snapshot, commit: "null" }; - host.liveDynRefAdapters.set(key, adapter); + host.liveDynRefAdapters.set(adapterKey, adapter); host.journal?.allocated( snapshot.replace(/_materialize$/, ""), "streamTypedRefMaterializeAdapter", @@ -1312,6 +1315,18 @@ function liveArrayOps( G.terminate(`ret ptr ${boxed}`); const S = new BlockBuilder(); + if (t.optionalElements) { + // A `(T | undefined)[]` stores undefined as a present undefined. + const undef = host.dyn.isUndefined(S, "%v"); + const storeUndefined = S.newLabel("live.array.undefined"); + const other = S.newLabel("live.array.value"); + S.condBr(undef, storeUndefined, other); + S.startBlock(storeUndefined); + host.declare(`declare void @scr_arr_set_undefined(ptr, double)`); + S.line(`call void @scr_arr_set_undefined(ptr %p, double %i)`); + S.terminate(`ret i1 true`); + S.startBlock(other); + } const fits = S.tmp(); S.line(`${fits} = call zeroext i1 @${host.dyn.dynMatchHelper(elem)}(ptr %v)`); const store = S.newLabel("live.array.store"); diff --git a/packages/compiler/src/backend/llvm/map-number-lookup.ts b/packages/compiler/src/backend/llvm/map-number-lookup.ts index 0038cbb96..afc8ec606 100644 --- a/packages/compiler/src/backend/llvm/map-number-lookup.ts +++ b/packages/compiler/src/backend/llvm/map-number-lookup.ts @@ -150,14 +150,16 @@ export function emitStringMapGetScalar( } /** Map.get of a reference value: a +1 value, or null when absent — the - * contract of scr_map_get_f64_ref. */ + * contract of scr_map_get_f64_ref. `borrow`: the entry's own reference, + * without a retain, for a reader that finishes before the map can change. */ export function emitNumberMapGetRef( host: LlvmEmitterContext, map: string, key: string, value: IrType, + borrow = false, ): string { - return emitMapEntryGetRef(host, emitNumberMapEntry(host, map, key), value); + return emitMapEntryGetRef(host, emitNumberMapEntry(host, map, key), value, false, borrow); } /** Map.get of a reference value under a string key, with scr_map_get_str_ref's @@ -169,16 +171,25 @@ export function emitStringMapGetRef( key: string, value: IrType, compact = false, + borrow = false, ): string { - return emitMapEntryGetRef(host, emitStringMapEntry(host, map, key, compact), value, compact); + return emitMapEntryGetRef( + host, + emitStringMapEntry(host, map, key, compact), + value, + compact, + borrow, + ); } -/** The +1 value of a found entry, or null for a missing (null) entry. */ +/** The +1 value of a found entry (its own reference when `borrow`), or + * null for a missing (null) entry. */ function emitMapEntryGetRef( host: LlvmEmitterContext, entry: string, value: IrType, compact = false, + borrow = false, ): string { const B = host.B; const found = B.tmp(); @@ -188,10 +199,8 @@ function emitMapEntryGetRef( join = B.newLabel("mapn.join"); B.condBr(found, hit, miss); B.startBlock(hit); - const retained = host.retainFrame( - compact ? emitCompactMapSlot(host, entry) : emitNumberMapSlot(host, entry, "ptr"), - value, - ); + const loaded = compact ? emitCompactMapSlot(host, entry) : emitNumberMapSlot(host, entry, "ptr"); + const retained = borrow ? loaded : host.retainFrame(loaded, value); B.br(join); B.startBlock(miss); B.br(join); diff --git a/packages/compiler/src/backend/llvm/map-read-lifetimes.test.ts b/packages/compiler/src/backend/llvm/map-read-lifetimes.test.ts index 3725db060..d91e2b211 100644 --- a/packages/compiler/src/backend/llvm/map-read-lifetimes.test.ts +++ b/packages/compiler/src/backend/llvm/map-read-lifetimes.test.ts @@ -120,7 +120,12 @@ test("local map results keep scalar and owned reference payloads without heap wr expect(ir).toContain("call ptr @sc_map_entry_str("); expect(ir).not.toContain("@scr_map_get_"); } - if (value === STRING) expect(ir).toContain("@scr_str_release"); + // Nothing can change the map before the tag test, so a reference + // result is the entry's own (findMapReadBorrows): no retain or release. + if (value === STRING) { + expect(ir).not.toContain("@scr_str_retain"); + expect(ir).not.toContain("@scr_str_release"); + } } } }); @@ -132,7 +137,8 @@ test("nullable record results are the looked-up pointer itself on both ABIs", () expect(ir).not.toContain("%ScrUnion"); expect(ir).not.toContain("@scr_union_"); expect(ir).toMatch(/icmp (?:eq|ne) ptr %\w+, null/); - expect(ir).toContain("@sc_rrelease_"); + // The pointer is the entry's own reference until the tag test. + expect(ir).not.toContain("@sc_rrelease_"); } }); diff --git a/packages/compiler/src/backend/llvm/map-read-lifetimes.ts b/packages/compiler/src/backend/llvm/map-read-lifetimes.ts index c44e28cb2..ae741463d 100644 --- a/packages/compiler/src/backend/llvm/map-read-lifetimes.ts +++ b/packages/compiler/src/backend/llvm/map-read-lifetimes.ts @@ -9,6 +9,7 @@ import { } from "../../ir/ir.js"; import { everyExpr, everyStmt, everyStmtList } from "../../ir/traverse.js"; import type { CallLifetimes } from "./call-lifetimes.js"; +import type { ReferenceEffects } from "./reference-effects.js"; import type { LlValue, LlvmEmitterContext } from "./expr-context.js"; import { emitNumberMapGetRef, @@ -69,6 +70,10 @@ export function borrowsMapMutationReceiver(expr: IrExpr): boolean { export interface LocalMapRead { /** The Map.get expression itself. */ expr: IrExpr; + /** A local's reference result may stay the entry's own reference: every + * use of the local runs before anything that can change a reference + * edge (findMapReadBorrows), so the entry still holds the value. */ + borrowed?: boolean; type: IrType; receiver: IrExpr; key: IrExpr; @@ -127,6 +132,7 @@ export function findMapReadLifetimes( fn: IrFunction, unions: ReadonlyMap, lifetimes: CallLifetimes, + effects?: ReferenceEffects, ): MapReadLifetimes { const result: MapReadLifetimes = { locals: new Map(), arguments: new Map() }; if (fn.async || fn.generator) return result; @@ -151,6 +157,125 @@ export function findMapReadLifetimes( return true; }, }); + if (effects) { + const borrowed = findMapReadBorrows(fn, effects, (decl) => { + const read = result.locals.get(decl.localId); + return read !== undefined && isRefCounted(read.value); + }); + for (const id of borrowed) result.locals.get(id)!.borrowed = true; + } + return result; +} + +/** Whether a map read's receiver keeps the map past its own statement: a + * local or a field of one. Changing either is an edge change the borrow + * proof sees. A temporary map (a call's result, `new Map()`) is released at + * the end of the declaration, and its entries with it. */ +function heldReceiver(expr: IrExpr): boolean { + if (expr.kind === "varRef") return true; + if (expr.kind === "fieldGet" || expr.kind === "recordGet") return heldReceiver(expr.obj); + if (expr.kind === "unionNarrow" || expr.kind === "downcast") return heldReceiver(expr.value); + return false; +} + +/** The locals, declared by statements `candidate` accepts, that can hold a + * map entry's own reference instead of a +1 copy. The statements after the + * declaration run in order, and every one that names the local must + * preserve reference edges (ReferenceEffects) and run before any statement + * that may not, so no write, deletion or unknown call can release the value + * while the local is read. An `if` passes its condition's state to both + * branches and joins them; any other statement that names the local is + * judged whole. A later pass of an enclosing loop declares the local again, + * so only the rest of its own statement list matters. The map must be held + * by a local or a field (heldReceiver), the read itself must preserve + * reference edges (a key whose evaluation replaces the receiver's field + * leaves the read on a map the statement releases), and locals declared + * from the local count as its uses. An update such as + * `const c = m.get(k); if (c === undefined) m.set(k, v); else c.n++` keeps + * the borrow: the write runs only on the branch that does not read `c`. */ +export function findMapReadBorrows( + fn: IrFunction, + effects: ReferenceEffects, + candidate: (decl: IrStmt & { kind: "varDecl" }) => boolean, +): Set { + const result = new Set(); + if (fn.async || fn.generator) return result; + // `ids` holds the local and the locals declared from it: a stable alias + // (`const d = c`) reads the same entry without a reference of its own. + const names = (node: IrStmt | IrExpr, ids: ReadonlySet, isStmt: boolean): boolean => { + let found = false; + const visitor = { + stmt: () => !found, + expr: (expr: IrExpr) => { + if (expr.kind === "varRef" && ids.has(expr.localId)) found = true; + return !found; + }, + }; + if (isStmt) everyStmt(node as IrStmt, visitor); + else everyExpr(node as IrExpr, visitor); + return found; + }; + // Adds the reference locals that `stmt` declares from one in `ids`, at any + // depth: a `var` inside a loop or a try stays in scope after it. + const alias = (stmt: IrStmt, ids: Set): void => { + everyStmt(stmt, { + stmt: (node) => { + if ( + node.kind === "varDecl" && + node.init !== null && + isRefCounted(node.init.type) && + names(node.init, ids, false) + ) + ids.add(node.localId); + return true; + }, + expr: () => true, + }); + }; + // Whether an edge may have changed after `list`, or null when a statement + // names the local after such a change (or changes edges itself). + const walk = (list: readonly IrStmt[], ids: Set, changed: boolean): boolean | null => { + for (const stmt of list) { + if (stmt.kind === "if") { + const preserving = effects.preserves(stmt.cond); + if (names(stmt.cond, ids, false) && (changed || !preserving)) return null; + const condition = changed || !preserving; + const then = walk(stmt.then, ids, condition); + const otherwise = stmt.else_ === null ? condition : walk(stmt.else_, ids, condition); + if (then === null || otherwise === null) return null; + changed = then || otherwise; + continue; + } + if (stmt.kind === "block") { + const inner = walk(stmt.body, ids, changed); + if (inner === null) return null; + changed = inner; + continue; + } + const preserving = effects.preservesScope([stmt]); + if (names(stmt, ids, true)) { + if (changed || !preserving) return null; + alias(stmt, ids); + } + changed ||= !preserving; + } + return changed; + }; + const visit = (list: readonly IrStmt[]): void => { + list.forEach((stmt, index) => { + if ( + stmt.kind === "varDecl" && + stmt.init?.kind === "mapIntrinsic" && + heldReceiver(stmt.init.receiver) && + effects.preserves(stmt.init) && + candidate(stmt) && + walk(list.slice(index + 1), new Set([stmt.localId]), false) !== null + ) + result.add(stmt.localId); + for (const nested of nestedStmtLists(stmt)) visit(nested); + }); + }; + visit(fn.body); return result; } @@ -305,13 +430,14 @@ export function emitStackMapRead(host: LlvmEmitterContext, read: LocalMapRead): let owner: StackMapRead["owner"] = null; const number = inlineNumberKey(key); const string = entryStringKey(key); + const borrow = read.borrowed === true; if (number !== null) { if (isRefCounted(read.value)) { - const raw = emitNumberMapGetRef(host, receiver.name, number, read.value); + const raw = emitNumberMapGetRef(host, receiver.name, number, read.value, borrow); B.line(`${found} = icmp ne ptr ${raw}, null`); B.line(`store i64 0, ptr ${payload}`); B.line(`store ptr ${raw}, ptr ${payload}`); - owner = { slot: payload, type: read.value }; + if (!borrow) owner = { slot: payload, type: read.value }; } else { // Booleans are stored as 0/1, already the widened union payload. const scalar = emitNumberMapGetScalar(host, receiver.name, number); @@ -329,8 +455,10 @@ export function emitStackMapRead(host: LlvmEmitterContext, read: LocalMapRead): let raw: string; const mapType = read.receiver.type; const compact = mapType.kind === "map" && compactMapValues(host, mapType.key, mapType.value); + // The runtime's other key kinds return +1, which the frame then owns. + const borrowed = borrow && stringKey !== null; if (stringKey !== null) - raw = emitStringMapGetRef(host, receiver.name, stringKey, read.value, compact); + raw = emitStringMapGetRef(host, receiver.name, stringKey, read.value, compact, borrowed); else { raw = B.tmp(); host.declare(`declare ptr @scr_map_get_${access}_ref(ptr, ${keyType})`); @@ -339,7 +467,7 @@ export function emitStackMapRead(host: LlvmEmitterContext, read: LocalMapRead): B.line(`${found} = icmp ne ptr ${raw}, null`); B.line(`store i64 0, ptr ${payload}`); B.line(`store ptr ${raw}, ptr ${payload}`); - owner = { slot: payload, type: read.value }; + if (!borrowed) owner = { slot: payload, type: read.value }; } else { const scalar = read.value.kind === "f64" ? "f64" : "bool"; B.line(`store i64 0, ptr ${payload}`); diff --git a/packages/compiler/src/backend/llvm/speculative-integers.ts b/packages/compiler/src/backend/llvm/speculative-integers.ts index 07e5e3721..971bd00cb 100644 --- a/packages/compiler/src/backend/llvm/speculative-integers.ts +++ b/packages/compiler/src/backend/llvm/speculative-integers.ts @@ -187,6 +187,37 @@ function exactPowerOfTwo(value: number): number | null { return k >= 0 && k <= 52 && 2 ** k === value ? k : null; } +/** The same speculated operand written twice: a local, a literal, or a + * power of two of the same exponent. */ +function sameOperand(a: IrExpr, b: IrExpr): boolean { + if (a.kind === "varRef") return b.kind === "varRef" && a.localId === b.localId; + if (a.kind === "numLit") return b.kind === "numLit" && Object.is(a.value, b.value); + return ( + a.kind === "libCall" && + b.kind === "libCall" && + a.fn === "math.pow" && + b.fn === "math.pow" && + powerOfTwo(a) && + powerOfTwo(b) && + sameOperand(a.args[1]!, b.args[1]!) + ); +} + +/** `a - Math.floor(a / p) * p` (either factor order) with p a power of two + * and `a` a local or literal: the floor-mod of `a` by p. */ +function floorModPowerOfTwo(e: IrExpr): { value: IrExpr; power: IrExpr } | null { + if (e.kind !== "bin" || e.op !== "-" || e.right.kind !== "bin" || e.right.op !== "*") return null; + const { left, right } = e.right; + const [floor, power] = + left.kind === "libCall" && left.fn === "math.floor" ? [left, right] : [right, left]; + if (floor.kind !== "libCall" || floor.fn !== "math.floor" || floor.args.length !== 1) return null; + const quotient = floor.args[0]!; + if (quotient.kind !== "bin" || quotient.op !== "/") return null; + if (!powerOfTwo(power) || !sameOperand(quotient.right, power)) return null; + if (e.left.kind !== "varRef" && e.left.kind !== "numLit") return null; + return sameOperand(quotient.left, e.left) ? { value: e.left, power } : null; +} + /** Whether `e` is a power of two speculation can shift by: * `Math.pow(2, n)` or a literal 2^k with k in [0, 52]. */ function powerOfTwo(e: IrExpr): boolean { @@ -950,6 +981,37 @@ export function emitSpeculativeInteger( } case "bin": { if (e.op !== "+" && e.op !== "-" && e.op !== "*" && e.op !== "%") break; + // The floor-mod of a safe integer by 2^n (n in [0, 52]) is its low n + // bits, also for a negative value: in [0, 2^n), and never -0. + const mod = floorModPowerOfTwo(e); + if (mod) { + const value = emitSpeculativeInteger(host, mod.value, bail, reads, integral); + const n = exponentOf(host, mod.power, bail, reads, integral); + const mask = B.tmp(), + low = B.tmp(); + B.line(`${mask} = sub i64 ${shiftOne(host, n)}, 1`); + B.line(`${low} = and i64 ${value}, ${mask}`); + return low; + } + // A product with 2^n shifts: it is safe iff the other factor's + // magnitude is at most (2^53 - 1) >> n, and a zero product of a safe + // integer and a positive power is +0. + if (e.op === "*" && (powerOfTwo(e.right) || powerOfTwo(e.left))) { + const [factor, power] = powerOfTwo(e.right) ? [e.left, e.right] : [e.right, e.left]; + const value = emitSpeculativeInteger(host, factor, bail, reads, integral); + const n = exponentOf(host, power, bail, reads, integral); + const limit = B.tmp(), + magnitude = B.tmp(), + outside = B.tmp(), + product = B.tmp(); + B.line(`${limit} = ashr i64 ${SAFE}, ${n}`); + host.declare("declare i64 @llvm.abs.i64(i64, i1)"); + B.line(`${magnitude} = call i64 @llvm.abs.i64(i64 ${value}, i1 true)`); + B.line(`${outside} = icmp ugt i64 ${magnitude}, ${limit}`); + bail(outside); + B.line(`${product} = shl nsw i64 ${value}, ${n}`); + return product; + } const a = emitSpeculativeInteger(host, e.left, bail, reads, integral); const b = emitSpeculativeInteger(host, e.right, bail, reads, integral); const result = B.tmp(); diff --git a/packages/compiler/src/backend/llvm/string-lifetimes.test.ts b/packages/compiler/src/backend/llvm/string-lifetimes.test.ts index f85addcf8..07ad31153 100644 --- a/packages/compiler/src/backend/llvm/string-lifetimes.test.ts +++ b/packages/compiler/src/backend/llvm/string-lifetimes.test.ts @@ -478,7 +478,9 @@ test("string comparisons decide identity, lengths and leading bytes before the r expect(units).toContain("%below = icmp ult i8 %bx, %by"); expect(units).toContain("%tailable = and i1 %samelen, %short"); expect(units).toContain("%anyascii = icmp slt i32 %cws, 0"); - expect(units).toContain("call i32 @scr_str_cmp(ptr %a, ptr %b)"); + expect(units).toContain( + "call i32 @scr_str_cmp(ptr %a, ptr %b) nounwind willreturn memory(argmem: read)", + ); expect(units).toContain( "call i32 @scr_str_cmp_u16_bytes(ptr %a, ptr %b) nounwind willreturn memory(argmem: read)", ); diff --git a/packages/compiler/src/backend/runtime-abi.ts b/packages/compiler/src/backend/runtime-abi.ts index d8e256349..7ac0877eb 100644 --- a/packages/compiler/src/backend/runtime-abi.ts +++ b/packages/compiler/src/backend/runtime-abi.ts @@ -2,8 +2,8 @@ * of the link contract: a program object keeps this symbol undefined and the * matching runtime defines it, so incompatible manual links fail before the * program can start. */ -export const RUNTIME_ABI_VERSION = 43 as const; -export const RUNTIME_ABI_MARKER = "scr_runtime_abi_v43" as const; +export const RUNTIME_ABI_VERSION = 44 as const; +export const RUNTIME_ABI_MARKER = "scr_runtime_abi_v44" as const; /** Object consumption is useful today, but the complete scr_* surface may * still change before 1.0. The versioned marker prevents accidental mixing; diff --git a/packages/compiler/src/backend/runtime-pack-targets.test.ts b/packages/compiler/src/backend/runtime-pack-targets.test.ts index 5da2b8e59..650e7c543 100644 --- a/packages/compiler/src/backend/runtime-pack-targets.test.ts +++ b/packages/compiler/src/backend/runtime-pack-targets.test.ts @@ -52,7 +52,7 @@ async function fixture(target: NativeTargetSpec, workers = false) { object_format: target.objectFormat, minimum_os: target.minimumOs, }, - runtime_abi: { version: 43, marker: "scr_runtime_abi_v43" }, + runtime_abi: { version: 44, marker: "scr_runtime_abi_v44" }, compiler: { command: "fixture", identity: "fixture", target: target.llvmTriple }, macros: { executable: [], excluded: ["SCR_LIB"], sanitizer: "external-toolchain-required" }, flavors: { diff --git a/packages/compiler/src/backend/runtime-pack.test.ts b/packages/compiler/src/backend/runtime-pack.test.ts index a87fabd2e..443c22d9e 100644 --- a/packages/compiler/src/backend/runtime-pack.test.ts +++ b/packages/compiler/src/backend/runtime-pack.test.ts @@ -129,7 +129,7 @@ async function fixture(target: NativeTargetSpec = MACOS_ARM64_TARGET) { object_format: target.objectFormat, minimum_os: target.minimumOs, }, - runtime_abi: { version: 43, marker: "scr_runtime_abi_v43" }, + runtime_abi: { version: 44, marker: "scr_runtime_abi_v44" }, compiler: { command: "clang", identity: "fixture clang", diff --git a/packages/compiler/src/cli/command.ts b/packages/compiler/src/cli/command.ts index 57b15349e..608b97b67 100644 --- a/packages/compiler/src/cli/command.ts +++ b/packages/compiler/src/cli/command.ts @@ -4,15 +4,22 @@ import { parseArgs } from "node:util"; import { isExactExternalTypeSpecifier } from "../frontend/program.js"; import { renderDiagnostics } from "../diagnostics/render.js"; import { + COVERAGE_FAIL_ON, coverageEnvelope, coveragePasses, renderCoverage, renderExplainDynamic, + renderExplainIsland, type CoverageFailOn, } from "../coverage/report.js"; +import { + NODE_ISLANDS_MODES, + type NodeIslandOptions, + type NodeIslandsMode, +} from "../node-islands/policy.js"; import { TIER_MODES, type TierMode } from "../frontend/tier-analysis.js"; import { buildEnvelope } from "../diagnostics/envelope.js"; -import { renderWarnings } from "../diagnostics/render.js"; +import { renderConfigWarnings, renderWarnings } from "../diagnostics/render.js"; import { isPerformanceCode, renderPerformanceWarnings } from "../diagnostics/dynamic-tier.js"; import { isNativeOptimization } from "../backend/optimization.js"; import { @@ -114,6 +121,7 @@ async function main(args: string[], host: CliHost): Promise { values["emit-ir"] || values.tier !== undefined || values["explain-dynamic"] !== undefined || + hasNodeIslandFlags(values) || !values["keep-llvm"] ) { fail( @@ -172,6 +180,7 @@ async function main(args: string[], host: CliHost): Promise { values["emit-ir"] || values.tier !== undefined || values["explain-dynamic"] !== undefined || + hasNodeIslandFlags(values) || !values["keep-llvm"]; if (values.out === undefined || inputs.length === 0 || others) { fail( @@ -225,7 +234,8 @@ async function main(args: string[], host: CliHost): Promise { (values["npm-static"] ?? []).length > 0 || externalTypeArgs.length > 0 || values.tier !== undefined || - values["explain-dynamic"] !== undefined + values["explain-dynamic"] !== undefined || + hasNodeIslandFlags(values) ) { fail( "scriptc build --lib takes no --backend/--emit/--print/--optimization/--strip/--windows-subsystem/--detached-exit/--target-cpu/--profile-generate/--profile-use/--npm-static/--ffi/--external-types/--tier/--explain-dynamic: the profile pins the emission and optimization, npm imports are judged automatically, outbound FFI belongs to executable builds, external type mappings belong to coverage, and library artifacts are static-tier only", @@ -298,14 +308,9 @@ async function main(args: string[], host: CliHost): Promise { fail(`--print=diagnostics is a build/coverage option\n\n${USAGE}`); } const failOnRaw = values["fail-on"]; - if ( - failOnRaw !== undefined && - failOnRaw !== "blockers" && - failOnRaw !== "divergences" && - failOnRaw !== "dynamic" - ) { + if (failOnRaw !== undefined && !(COVERAGE_FAIL_ON as readonly string[]).includes(failOnRaw)) { fail( - `unknown --fail-on value "${failOnRaw}" (supported: blockers, divergences, dynamic)\n\n${USAGE}`, + `unknown --fail-on value "${failOnRaw}" (supported: ${COVERAGE_FAIL_ON.join(", ")})\n\n${USAGE}`, ); } // --no-dynamic-tier-warning leaves out SC6101 (diagnostics/dynamic-tier.ts). @@ -326,6 +331,48 @@ async function main(args: string[], host: CliHost): Promise { if (explainDynamic !== undefined && command !== "coverage") { fail(`--explain-dynamic is a coverage option\n\n${USAGE}`); } + const explainIsland = values["explain-island"]; + if (explainIsland !== undefined && command !== "coverage") { + fail(`--explain-island is a coverage option\n\n${USAGE}`); + } + if (explainIsland === "") fail(`--explain-island needs a package name\n\n${USAGE}`); + if (values["strict-user-js"] && command !== "coverage") { + fail(`--strict-user-js is a coverage option\n\n${USAGE}`); + } + // The Node island policy's command-line half. Report-only: build and run + // validate it, coverage reports the islands it would choose. + const islandMode = values["node-islands"]; + if (islandMode !== undefined && !(NODE_ISLANDS_MODES as readonly string[]).includes(islandMode)) { + fail( + `unknown --node-islands value "${islandMode}" (supported: ${NODE_ISLANDS_MODES.join(", ")})\n\n${USAGE}`, + ); + } + const listValues = (raw: string[] | undefined): string[] => + (raw ?? []) + .flatMap((v) => v.split(",")) + .map((v) => v.trim()) + .filter((v) => v !== ""); + const islandArgs = listValues(values["node-island"]); + const nativeArgs = listValues(values.native); + for (const name of nativeArgs) { + if (islandArgs.includes(name)) + fail(`--native=${name} and --node-island=${name} contradict each other\n\n${USAGE}`); + } + if (values.node === "") fail(`--node needs the path of a node executable\n\n${USAGE}`); + const nodeIslands: NodeIslandOptions | undefined = + islandMode === undefined && + islandArgs.length === 0 && + nativeArgs.length === 0 && + values.node === undefined && + !values["strict-user-js"] + ? undefined + : { + ...(islandMode !== undefined ? { mode: islandMode as NodeIslandsMode } : {}), + ...(islandArgs.length > 0 ? { islands: islandArgs } : {}), + ...(nativeArgs.length > 0 ? { native: nativeArgs } : {}), + ...(values.node !== undefined ? { node: resolve(values.node) } : {}), + ...(values["strict-user-js"] ? { strictUserJs: true } : {}), + }; if (printNativeLinkInfo && command !== "build") { fail(`--print=native-link-info is a build option\n\n${USAGE}`); } @@ -468,6 +515,7 @@ async function main(args: string[], host: CliHost): Promise { ...(tier !== undefined ? { tier } : {}), ...(explainDynamic !== undefined ? { explainDynamic: true } : {}), ...(wasmFiles.length > 0 ? { wasm: wasmFiles } : {}), + ...(nodeIslands !== undefined ? { nodeIslands } : {}), }); if (!dynamicTierWarning) delete coverage.performance; if (printDiagnostics) { @@ -483,6 +531,17 @@ async function main(args: string[], host: CliHost): Promise { process.stdout.write( renderCoverage(coverage, { color, sourceTexts, root: process.cwd() }) + "\n", ); + if (explainIsland !== undefined) { + process.stdout.write( + "\n" + + renderExplainIsland(coverage.nodeIslands, explainIsland, { + color, + sourceTexts, + root: process.cwd(), + }) + + "\n", + ); + } if (explainDynamic !== undefined && coverage.tiers !== undefined) { process.stdout.write( "\n" + @@ -577,14 +636,21 @@ async function main(args: string[], host: CliHost): Promise { // warning names likely-hot functions that use untyped values. `run` // keeps stderr for the program's own output. const color = process.stderr.isTTY ?? false; - const divergences = warnings.filter((d) => !isPerformanceCode(d.code)); + const config = warnings.filter((d) => d.code === "SC8004"); + const divergences = warnings.filter((d) => !isPerformanceCode(d.code) && d.code !== "SC8004"); const performance = warnings.filter((d) => isPerformanceCode(d.code)); - if (divergences.length > 0) + if (config.length > 0) + process.stderr.write( + renderConfigWarnings(config, result.sourceTexts ?? new Map(), { color }) + "\n", + ); + if (divergences.length > 0) { + if (config.length > 0) process.stderr.write("\n"); process.stderr.write( renderWarnings(divergences, result.sourceTexts ?? new Map(), { color }) + "\n", ); + } if (performance.length > 0) { - if (divergences.length > 0) process.stderr.write("\n"); + if (divergences.length > 0 || config.length > 0) process.stderr.write("\n"); process.stderr.write(renderPerformanceWarnings(performance) + "\n"); } } @@ -615,6 +681,19 @@ async function main(args: string[], host: CliHost): Promise { return 0; } +/** Whether any Node island flag is present (they belong to build, run and + * coverage). */ +function hasNodeIslandFlags(values: ReturnType["values"]): boolean { + return ( + values["node-islands"] !== undefined || + (values["node-island"] ?? []).length > 0 || + (values.native ?? []).length > 0 || + values.node !== undefined || + values["explain-island"] !== undefined || + values["strict-user-js"] + ); +} + /** Both installed and seed commands use this argument and diagnostic contract. */ export async function runCli(args: string[], host: CliHost): Promise { try { diff --git a/packages/compiler/src/cli/usage.ts b/packages/compiler/src/cli/usage.ts index 01afbdd41..f8b6a4869 100644 --- a/packages/compiler/src/cli/usage.ts +++ b/packages/compiler/src/cli/usage.ts @@ -31,11 +31,13 @@ Options: (native-link-info implies --emit=obj and never links; diagnostics prints the versioned JSON diagnostics envelope for build and coverage) - --fail-on + --fail-on coverage only: exit 1 when the entry path has blockers (a build would fail), or also when it has Node - divergences, or also when it has likely-hot functions - that use untyped values (SC6101) + divergences, likely-hot functions that use untyped + values (SC6101), any Node island (eager-node-islands is + the same until deferred evaluation lands), or a gap + island (a package scriptc should compile but cannot yet) --backend code generator (llvm) --optimization native optimization posture (default: release/-O2). dev @@ -110,6 +112,28 @@ Options: --no-dynamic-tier-warning build and coverage: leave out SC6101, the warning that names likely-hot functions that use untyped values + --node-islands + Node island policy (default: auto): npm packages outside + the native subset run in Node automatically; explicit + allows only marked islands; off allows none. REPORT-ONLY + in this version: coverage reports the islands a build + would choose; builds compile as before + --node-island + mark an npm package or one of your modules (a path or + glob) to run in a Node island (repeatable, comma lists; + report-only) + --native require an npm package to compile natively; outside the + native subset it is SC8003 (repeatable; report-only) + --node the node executable Node islands use (report-only) + --explain-island + coverage only: why a package would run in a Node island, + with the first reason per module, the native import + sites and the packages inside its closure + --strict-user-js + coverage only: report constructor functions, prototype + and shape mutation, sloppy-mode semantics and builtin + patching in your own .js/.cjs/.mjs modules as + SC8101–SC8105 blockers --wasm coverage only: report a WebAssembly module the program loads whose path its sources do not spell (repeatable; @@ -144,6 +168,12 @@ export const CLI_OPTIONS = { "explain-dynamic": { type: "string" }, "dynamic-tier-warning": { type: "boolean", default: true }, wasm: { type: "string", multiple: true }, + "node-islands": { type: "string" }, + "node-island": { type: "string", multiple: true }, + native: { type: "string", multiple: true }, + node: { type: "string" }, + "explain-island": { type: "string" }, + "strict-user-js": { type: "boolean", default: false }, lib: { type: "boolean", default: false }, profile: { type: "string" }, help: { type: "boolean", short: "h", default: false }, diff --git a/packages/compiler/src/compat/fetch-profile.ts b/packages/compiler/src/compat/fetch-profile.ts index ff7cedb22..03d261aff 100644 --- a/packages/compiler/src/compat/fetch-profile.ts +++ b/packages/compiler/src/compat/fetch-profile.ts @@ -155,494 +155,104 @@ const typedInterfaceUnsupported = "typed source has no compiler bridge for this const metadataExclusion = "WebIDL brand metadata is observable reflection, not an executable compatibility operation"; -export const NODE24_FETCH_COMPAT_PROFILE = { - schemaVersion: 1, - target: { - node: "24.22.0", - undici: "7.29.1", - }, - requestInit: [ - { - id: "stdlib.fetch.request-init.method", - name: "RequestInit.method", - conversion: "WebIDL ByteString after all call arguments evaluate", - evidence: [fixture("static-coercion")], +function buildFetchCompatProfile() { + return { + schemaVersion: 1, + target: { + node: "24.22.0", + undici: "7.29.1", }, - { - id: "stdlib.fetch.request-init.headers", - name: "RequestInit.headers", - conversion: "Headers, record, or sequence-of-pairs snapshot", - evidence: [fixture("static"), fixture("static-coercion")], - }, - { - id: "stdlib.fetch.request-init.body", - name: "RequestInit.body", - conversion: "string, Uint8Array, ReadableStream, or null", - evidence: [fixture("static"), fixture("static-stream"), fixture("static-coercion")], - }, - { - id: "stdlib.fetch.request-init.duplex", - name: "RequestInit.duplex", - conversion: "WebIDL enum; 'half' required for streaming bodies", - evidence: [fixture("static-stream"), fixture("static-coercion")], - }, - { - id: "stdlib.fetch.request-init.redirect", - name: "RequestInit.redirect", - conversion: "WebIDL enum: follow, error, or manual", - evidence: [fixture("static"), fixture("static-coercion")], - }, - { - id: "stdlib.fetch.request-init.signal", - name: "RequestInit.signal", - conversion: "native AbortSignal handle or absent", - evidence: [fixture("static"), fixture("static-abort-throw")], - }, - ], - responseInit: [ - { - id: "stdlib.response-init.headers", - name: "ResponseInit.headers", - conversion: "Headers, record, or sequence-of-pairs snapshot", - evidence: [fixture("static")], - }, - { - id: "stdlib.response-init.status", - name: "ResponseInit.status", - conversion: "WebIDL unsigned-short conversion followed by the 200–599 range check", - evidence: [fixture("static")], - }, - { - id: "stdlib.response-init.statusText", - name: "ResponseInit.statusText", - conversion: "WebIDL ByteString with HTTP reason-phrase validation", - evidence: [fixture("static")], - }, - ], - members: { - responseReads: [ - "ok", - "status", - "statusText", - "url", - "redirected", - "headers", - "body", - "bodyUsed", - ], - responseCalls: ["json", "text", "bytes"], - readableStreamReads: ["locked"], - readableStreamCalls: ["cancel", "getReader"], - }, - operations: [ - { - id: "stdlib.headers.constructor", - name: "Headers constructor", - kind: "constructor", - facets: ["webidl-conversion", "mutation", "identity"], - scope: "Record and iterable header pairs, including copying native Headers", - evidence: [fixture("static-request")], - }, - { - id: "stdlib.request.constructor", - name: "Request constructor", - kind: "constructor", - facets: ["webidl-conversion", "body-consumption", "error-shape"], - scope: - "Absolute URLs with method, headers, body, duplex, redirect, and signal; other RequestInit members retain explicit fences", - evidence: [fixture("static-request")], - }, - ...[ - "method", - "url", - "headers", - "destination", - "referrer", - "referrerPolicy", - "mode", - "credentials", - "cache", - "redirect", - "integrity", - "keepalive", - "isReloadNavigation", - "isHistoryNavigation", - "signal", - "body", - "bodyUsed", - "duplex", - ].map((member): FetchCompatOperation => ({ - id: `stdlib.request.${member}`, - name: `Request.${member}`, - kind: "property", - facets: ["property-read", "state-machine"], - scope: "Reads on native Requests within the constructor's supported RequestInit subset", - evidence: [fixture("static-request")], - })), - ...["arrayBuffer", "text", "json", "bytes"].map((member): FetchCompatOperation => ({ - id: `stdlib.request.${member}`, - name: `Request.${member}`, - kind: "method", - facets: ["body-consumption", "promise-settlement", "state-machine", "error-shape"], - evidence: [fixture("static-request")], - })), - { - id: "stdlib.response.constructor", - name: "Response constructor", - kind: "constructor", - facets: ["webidl-conversion", "body-consumption", "state-machine", "error-shape"], - scope: - "BodyInit is string, Uint8Array/Buffer, ReadableStream, null/undefined, or a checked-dynamic value that follows the supported WebIDL string conversion; ResponseInit is headers/status/statusText", - evidence: [fixture("static")], - }, - { - id: "stdlib.fetch", - name: "fetch", - kind: "function", - facets: [ - "argument-evaluation", - "webidl-conversion", - "surplus-arguments", - "promise-settlement", - "transport", - "error-shape", - ], - evidence: [fixture("static"), fixture("static-coercion"), fixture("static-network-error")], - }, - { - id: "stdlib.abort-controller.constructor", - name: "AbortController constructor", - kind: "constructor", - facets: ["argument-evaluation", "identity", "state-machine", "surplus-arguments"], - evidence: [fixture("static-controller")], - }, - { - id: "stdlib.abort-controller.signal", - name: "AbortController.signal", - kind: "property", - facets: ["identity", "property-read", "state-machine"], - evidence: [fixture("static-controller")], - }, - { - id: "stdlib.abort-controller.abort", - name: "AbortController.abort", - kind: "method", - facets: ["callback-order", "identity", "liveness", "state-machine", "surplus-arguments"], - evidence: [fixture("static-controller")], - }, - { - id: "stdlib.abort-signal.abort", - name: "AbortSignal.abort", - kind: "static-method", - facets: ["identity", "liveness", "surplus-arguments", "property-read"], - evidence: [generated("webidl-operations"), fixture("static-stream-this")], - }, - { - id: "stdlib.abort-signal.any", - name: "AbortSignal.any", - kind: "static-method", - facets: ["webidl-conversion", "missing-arguments", "surplus-arguments", "property-read"], - evidence: [generated("webidl-operations"), fixture("static-stream-this")], - }, - { - id: "stdlib.abort-signal.timeout", - name: "AbortSignal.timeout", - kind: "static-method", - facets: ["webidl-conversion", "missing-arguments", "surplus-arguments", "error-shape"], - evidence: [generated("webidl-operations"), fixture("static-stream-this")], - }, - { - id: "stdlib.abort-signal.aborted", - name: "AbortSignal.aborted", - kind: "property", - facets: ["property-read"], - evidence: [generated("webidl-operations")], - }, - { - id: "stdlib.abort-signal.reason", - name: "AbortSignal.reason", - kind: "property", - facets: ["identity", "liveness", "property-read"], - evidence: [generated("webidl-operations"), fixture("static-stream-this")], - }, - { - id: "stdlib.abort-signal.onabort", - name: "AbortSignal.onabort", - kind: "property", - facets: ["callback-order", "callback-this", "mutation", "property-read"], - evidence: [generated("abort-events"), fixture("static-listener-this")], - }, - { - id: "stdlib.abort-signal.throw-if-aborted", - name: "AbortSignal.throwIfAborted", - kind: "method", - facets: ["identity", "error-shape"], - evidence: [generated("webidl-operations"), fixture("static-abort-throw")], - }, - { - id: "stdlib.abort-signal.add-event-listener", - name: "AbortSignal.addEventListener", - kind: "method", - facets: ["webidl-conversion", "identity", "callback-order", "callback-this"], - evidence: [ - generated("abort-events"), - fixture("static-listener-this"), - fixture("static-listener-noncallable"), - ], - }, - { - id: "stdlib.abort-signal.remove-event-listener", - name: "AbortSignal.removeEventListener", - kind: "method", - facets: ["webidl-conversion", "identity", "callback-order"], - evidence: [generated("abort-events"), fixture("static-stream-this")], - }, - { - id: "stdlib.abort-signal.dispatch-event", - name: "AbortSignal.dispatchEvent", - kind: "method", - facets: ["callback-order", "callback-this", "error-shape"], - evidence: [fixture("static-dispatch-throw")], - }, - { - id: "stdlib.readable-stream.constructor", - name: "ReadableStream constructor", - kind: "constructor", - facets: ["webidl-conversion", "callback-this", "callback-order", "state-machine"], - evidence: [generated("stream-traces"), fixture("static-stream-this")], - }, - { - id: "stdlib.readable-stream.from", - name: "ReadableStream.from", - kind: "static-method", - facets: ["webidl-conversion", "missing-arguments", "surplus-arguments", "liveness"], - evidence: [generated("webidl-operations"), generated("stream-traces")], - }, - { - id: "stdlib.readable-stream.locked", - name: "ReadableStream.locked", - kind: "property", - facets: ["property-read", "state-machine"], - evidence: [generated("stream-traces")], - }, - { - id: "stdlib.readable-stream.cancel", - name: "ReadableStream.cancel", - kind: "method", - facets: ["identity", "promise-settlement", "state-machine"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream.get-reader", - name: "ReadableStream.getReader", - kind: "method", - facets: ["webidl-conversion", "identity", "state-machine", "error-shape"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-reader.closed", - name: "ReadableStreamDefaultReader.closed", - kind: "property", - facets: ["promise-settlement", "property-read", "state-machine"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-reader.read", - name: "ReadableStreamDefaultReader.read", - kind: "method", - facets: ["identity", "promise-settlement", "state-machine"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-reader.cancel", - name: "ReadableStreamDefaultReader.cancel", - kind: "method", - facets: ["identity", "promise-settlement", "state-machine"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-reader.release-lock", - name: "ReadableStreamDefaultReader.releaseLock", - kind: "method", - facets: ["promise-settlement", "state-machine", "error-shape"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-controller.desired-size", - name: "ReadableStreamDefaultController.desiredSize", - kind: "property", - facets: ["property-read", "state-machine"], - evidence: [generated("stream-traces")], - }, - { - id: "stdlib.readable-stream-default-controller.enqueue", - name: "ReadableStreamDefaultController.enqueue", - kind: "method", - facets: ["identity", "liveness", "state-machine", "error-shape"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-controller.close", - name: "ReadableStreamDefaultController.close", - kind: "method", - facets: ["state-machine", "error-shape"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - { - id: "stdlib.readable-stream-default-controller.error", - name: "ReadableStreamDefaultController.error", - kind: "method", - facets: ["identity", "promise-settlement", "state-machine"], - evidence: [generated("stream-traces"), fixture("static-stream")], - }, - ...["append", "delete", "get", "getSetCookie", "has", "set", "forEach"].map( - (member): FetchCompatOperation => ({ - id: `stdlib.headers.${member}`, - name: `Headers.${member}`, - kind: "method", - facets: - member === "forEach" - ? ["callback-order", "callback-this", "mutation"] - : member === "get" || member === "has" - ? ["webidl-conversion", "missing-arguments", "property-read"] - : ["webidl-conversion", "mutation", "error-shape"], + requestInit: [ + { + id: "stdlib.fetch.request-init.method", + name: "RequestInit.method", + conversion: "WebIDL ByteString after all call arguments evaluate", + evidence: [fixture("static-coercion")], + }, + { + id: "stdlib.fetch.request-init.headers", + name: "RequestInit.headers", + conversion: "Headers, record, or sequence-of-pairs snapshot", evidence: [fixture("static"), fixture("static-coercion")], - }), - ), - ...["ok", "status", "statusText", "url", "redirected", "headers", "body", "bodyUsed"].map( - (member): FetchCompatOperation => ({ - id: `stdlib.response.${member}`, - name: `Response.${member}`, - kind: "property", - facets: ["property-read"], - evidence: [fixture("static")], - }), - ), - { - id: "stdlib.response.static.json", - name: "Response.json", - kind: "static-method", - facets: ["webidl-conversion", "error-shape"], - scope: - "data that crosses the checked-dynamic boundary, serialized with JSON.stringify (toJSON hooks included); ResponseInit as for the constructor", - evidence: [fixture("static-response-json")], - }, - ...["json", "text", "bytes", "arrayBuffer"].map((member): FetchCompatOperation => ({ - id: `stdlib.response.${member}`, - name: `Response.${member}`, - kind: "method", - facets: ["body-consumption", "promise-settlement", "state-machine", "error-shape"], - evidence: - member === "arrayBuffer" - ? [fixture("static")] - : [fixture("static"), fixture("static-stream")], - })), - ], - inventory: { - interfaces: [ - "AbortController", - "AbortSignal", - "Headers", - "Request", - "Response", - "ReadableStream", - "ReadableStreamDefaultReader", - "ReadableStreamDefaultController", + }, + { + id: "stdlib.fetch.request-init.body", + name: "RequestInit.body", + conversion: "string, Uint8Array, ReadableStream, or null", + evidence: [fixture("static"), fixture("static-stream"), fixture("static-coercion")], + }, + { + id: "stdlib.fetch.request-init.duplex", + name: "RequestInit.duplex", + conversion: "WebIDL enum; 'half' required for streaming bodies", + evidence: [fixture("static-stream"), fixture("static-coercion")], + }, + { + id: "stdlib.fetch.request-init.redirect", + name: "RequestInit.redirect", + conversion: "WebIDL enum: follow, error, or manual", + evidence: [fixture("static"), fixture("static-coercion")], + }, + { + id: "stdlib.fetch.request-init.signal", + name: "RequestInit.signal", + conversion: "native AbortSignal handle or absent", + evidence: [fixture("static"), fixture("static-abort-throw")], + }, ], - entries: [ - staticEntry("stdlib.fetch", "globalThis", "fetch", "global"), - - staticEntry( - "stdlib.abort-controller.constructor", - "AbortController", - "constructor", - "constructor", - ), - staticEntry("stdlib.abort-controller.signal", "AbortController", "signal", "prototype"), - staticEntry("stdlib.abort-controller.abort", "AbortController", "abort", "prototype"), - outOfScopeEntry( - "stdlib.abort-controller.symbol.toStringTag", - "AbortController", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), - - unsupportedEntry( - "stdlib.abort-signal.constructor", - "AbortSignal", - "constructor", - "constructor", - "Node exposes the interface object but constructing it throws; the compiler does not preserve that constructor behavior", - ), - staticEntry("stdlib.abort-signal.abort", "AbortSignal", "abort", "static"), - staticEntry("stdlib.abort-signal.timeout", "AbortSignal", "timeout", "static"), - staticEntry("stdlib.abort-signal.any", "AbortSignal", "any", "static"), - staticEntry("stdlib.abort-signal.aborted", "AbortSignal", "aborted", "prototype"), - staticEntry("stdlib.abort-signal.reason", "AbortSignal", "reason", "prototype"), - staticEntry( - "stdlib.abort-signal.throw-if-aborted", - "AbortSignal", - "throwIfAborted", - "prototype", - ), - staticEntry("stdlib.abort-signal.onabort", "AbortSignal", "onabort", "prototype"), - staticEntry( - "stdlib.abort-signal.add-event-listener", - "AbortSignal", - "addEventListener", - "prototype-inherited", - ), - staticEntry( - "stdlib.abort-signal.remove-event-listener", - "AbortSignal", - "removeEventListener", - "prototype-inherited", - ), - staticEntry( - "stdlib.abort-signal.dispatch-event", - "AbortSignal", - "dispatchEvent", - "prototype-inherited", - ), - outOfScopeEntry( - "stdlib.abort-signal.symbol.toStringTag", - "AbortSignal", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), - - staticEntry("stdlib.headers.constructor", "Headers", "constructor", "constructor"), - ...["append", "delete", "get", "has", "set", "getSetCookie"].map((member) => - staticEntry(`stdlib.headers.${member}`, "Headers", member, "prototype"), - ), - ...["keys", "values", "entries"].map((member) => - unsupportedEntry( - `stdlib.headers.${member}`, - "Headers", - member, - "prototype", - "native Headers iteration does not yet expose a static iterator handle", - ), - ), - staticEntry("stdlib.headers.forEach", "Headers", "forEach", "prototype"), - unsupportedEntry( - "stdlib.headers.symbol.iterator", - "Headers", - "[Symbol.iterator]", - "prototype-symbol", - "native Headers iteration does not expose an engine-free iterator handle", - ), - outOfScopeEntry( - "stdlib.headers.symbol.toStringTag", - "Headers", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), - - staticEntry("stdlib.request.constructor", "Request", "constructor", "constructor"), + responseInit: [ + { + id: "stdlib.response-init.headers", + name: "ResponseInit.headers", + conversion: "Headers, record, or sequence-of-pairs snapshot", + evidence: [fixture("static")], + }, + { + id: "stdlib.response-init.status", + name: "ResponseInit.status", + conversion: "WebIDL unsigned-short conversion followed by the 200–599 range check", + evidence: [fixture("static")], + }, + { + id: "stdlib.response-init.statusText", + name: "ResponseInit.statusText", + conversion: "WebIDL ByteString with HTTP reason-phrase validation", + evidence: [fixture("static")], + }, + ], + members: { + responseReads: [ + "ok", + "status", + "statusText", + "url", + "redirected", + "headers", + "body", + "bodyUsed", + ], + responseCalls: ["json", "text", "bytes"], + readableStreamReads: ["locked"], + readableStreamCalls: ["cancel", "getReader"], + }, + operations: [ + { + id: "stdlib.headers.constructor", + name: "Headers constructor", + kind: "constructor", + facets: ["webidl-conversion", "mutation", "identity"], + scope: "Record and iterable header pairs, including copying native Headers", + evidence: [fixture("static-request")], + }, + { + id: "stdlib.request.constructor", + name: "Request constructor", + kind: "constructor", + facets: ["webidl-conversion", "body-consumption", "error-shape"], + scope: + "Absolute URLs with method, headers, body, duplex, redirect, and signal; other RequestInit members retain explicit fences", + evidence: [fixture("static-request")], + }, ...[ "method", "url", @@ -662,276 +272,695 @@ export const NODE24_FETCH_COMPAT_PROFILE = { "body", "bodyUsed", "duplex", - "clone", - "blob", - "arrayBuffer", - "text", - "json", - "formData", - "bytes", - "attribute", - ].map((member) => - ["clone", "blob", "formData", "attribute"].includes(member) - ? unsupportedEntry( - `stdlib.request.${member}`, - "Request", - member, - "prototype", - typedInterfaceUnsupported, - ) - : staticEntry(`stdlib.request.${member}`, "Request", member, "prototype"), + ].map((member): FetchCompatOperation => ({ + id: `stdlib.request.${member}`, + name: `Request.${member}`, + kind: "property", + facets: ["property-read", "state-machine"], + scope: "Reads on native Requests within the constructor's supported RequestInit subset", + evidence: [fixture("static-request")], + })), + ...["arrayBuffer", "text", "json", "bytes"].map((member): FetchCompatOperation => ({ + id: `stdlib.request.${member}`, + name: `Request.${member}`, + kind: "method", + facets: ["body-consumption", "promise-settlement", "state-machine", "error-shape"], + evidence: [fixture("static-request")], + })), + { + id: "stdlib.response.constructor", + name: "Response constructor", + kind: "constructor", + facets: ["webidl-conversion", "body-consumption", "state-machine", "error-shape"], + scope: + "BodyInit is string, Uint8Array/Buffer, ReadableStream, null/undefined, or a checked-dynamic value that follows the supported WebIDL string conversion; ResponseInit is headers/status/statusText", + evidence: [fixture("static")], + }, + { + id: "stdlib.fetch", + name: "fetch", + kind: "function", + facets: [ + "argument-evaluation", + "webidl-conversion", + "surplus-arguments", + "promise-settlement", + "transport", + "error-shape", + ], + evidence: [fixture("static"), fixture("static-coercion"), fixture("static-network-error")], + }, + { + id: "stdlib.abort-controller.constructor", + name: "AbortController constructor", + kind: "constructor", + facets: ["argument-evaluation", "identity", "state-machine", "surplus-arguments"], + evidence: [fixture("static-controller")], + }, + { + id: "stdlib.abort-controller.signal", + name: "AbortController.signal", + kind: "property", + facets: ["identity", "property-read", "state-machine"], + evidence: [fixture("static-controller")], + }, + { + id: "stdlib.abort-controller.abort", + name: "AbortController.abort", + kind: "method", + facets: ["callback-order", "identity", "liveness", "state-machine", "surplus-arguments"], + evidence: [fixture("static-controller")], + }, + { + id: "stdlib.abort-signal.abort", + name: "AbortSignal.abort", + kind: "static-method", + facets: ["identity", "liveness", "surplus-arguments", "property-read"], + evidence: [generated("webidl-operations"), fixture("static-stream-this")], + }, + { + id: "stdlib.abort-signal.any", + name: "AbortSignal.any", + kind: "static-method", + facets: ["webidl-conversion", "missing-arguments", "surplus-arguments", "property-read"], + evidence: [generated("webidl-operations"), fixture("static-stream-this")], + }, + { + id: "stdlib.abort-signal.timeout", + name: "AbortSignal.timeout", + kind: "static-method", + facets: ["webidl-conversion", "missing-arguments", "surplus-arguments", "error-shape"], + evidence: [generated("webidl-operations"), fixture("static-stream-this")], + }, + { + id: "stdlib.abort-signal.aborted", + name: "AbortSignal.aborted", + kind: "property", + facets: ["property-read"], + evidence: [generated("webidl-operations")], + }, + { + id: "stdlib.abort-signal.reason", + name: "AbortSignal.reason", + kind: "property", + facets: ["identity", "liveness", "property-read"], + evidence: [generated("webidl-operations"), fixture("static-stream-this")], + }, + { + id: "stdlib.abort-signal.onabort", + name: "AbortSignal.onabort", + kind: "property", + facets: ["callback-order", "callback-this", "mutation", "property-read"], + evidence: [generated("abort-events"), fixture("static-listener-this")], + }, + { + id: "stdlib.abort-signal.throw-if-aborted", + name: "AbortSignal.throwIfAborted", + kind: "method", + facets: ["identity", "error-shape"], + evidence: [generated("webidl-operations"), fixture("static-abort-throw")], + }, + { + id: "stdlib.abort-signal.add-event-listener", + name: "AbortSignal.addEventListener", + kind: "method", + facets: ["webidl-conversion", "identity", "callback-order", "callback-this"], + evidence: [ + generated("abort-events"), + fixture("static-listener-this"), + fixture("static-listener-noncallable"), + ], + }, + { + id: "stdlib.abort-signal.remove-event-listener", + name: "AbortSignal.removeEventListener", + kind: "method", + facets: ["webidl-conversion", "identity", "callback-order"], + evidence: [generated("abort-events"), fixture("static-stream-this")], + }, + { + id: "stdlib.abort-signal.dispatch-event", + name: "AbortSignal.dispatchEvent", + kind: "method", + facets: ["callback-order", "callback-this", "error-shape"], + evidence: [fixture("static-dispatch-throw")], + }, + { + id: "stdlib.readable-stream.constructor", + name: "ReadableStream constructor", + kind: "constructor", + facets: ["webidl-conversion", "callback-this", "callback-order", "state-machine"], + evidence: [generated("stream-traces"), fixture("static-stream-this")], + }, + { + id: "stdlib.readable-stream.from", + name: "ReadableStream.from", + kind: "static-method", + facets: ["webidl-conversion", "missing-arguments", "surplus-arguments", "liveness"], + evidence: [generated("webidl-operations"), generated("stream-traces")], + }, + { + id: "stdlib.readable-stream.locked", + name: "ReadableStream.locked", + kind: "property", + facets: ["property-read", "state-machine"], + evidence: [generated("stream-traces")], + }, + { + id: "stdlib.readable-stream.cancel", + name: "ReadableStream.cancel", + kind: "method", + facets: ["identity", "promise-settlement", "state-machine"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream.get-reader", + name: "ReadableStream.getReader", + kind: "method", + facets: ["webidl-conversion", "identity", "state-machine", "error-shape"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-reader.closed", + name: "ReadableStreamDefaultReader.closed", + kind: "property", + facets: ["promise-settlement", "property-read", "state-machine"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-reader.read", + name: "ReadableStreamDefaultReader.read", + kind: "method", + facets: ["identity", "promise-settlement", "state-machine"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-reader.cancel", + name: "ReadableStreamDefaultReader.cancel", + kind: "method", + facets: ["identity", "promise-settlement", "state-machine"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-reader.release-lock", + name: "ReadableStreamDefaultReader.releaseLock", + kind: "method", + facets: ["promise-settlement", "state-machine", "error-shape"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-controller.desired-size", + name: "ReadableStreamDefaultController.desiredSize", + kind: "property", + facets: ["property-read", "state-machine"], + evidence: [generated("stream-traces")], + }, + { + id: "stdlib.readable-stream-default-controller.enqueue", + name: "ReadableStreamDefaultController.enqueue", + kind: "method", + facets: ["identity", "liveness", "state-machine", "error-shape"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-controller.close", + name: "ReadableStreamDefaultController.close", + kind: "method", + facets: ["state-machine", "error-shape"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + { + id: "stdlib.readable-stream-default-controller.error", + name: "ReadableStreamDefaultController.error", + kind: "method", + facets: ["identity", "promise-settlement", "state-machine"], + evidence: [generated("stream-traces"), fixture("static-stream")], + }, + ...["append", "delete", "get", "getSetCookie", "has", "set", "forEach"].map( + (member): FetchCompatOperation => ({ + id: `stdlib.headers.${member}`, + name: `Headers.${member}`, + kind: "method", + facets: + member === "forEach" + ? ["callback-order", "callback-this", "mutation"] + : member === "get" || member === "has" + ? ["webidl-conversion", "missing-arguments", "property-read"] + : ["webidl-conversion", "mutation", "error-shape"], + evidence: [fixture("static"), fixture("static-coercion")], + }), ), - outOfScopeEntry( - "stdlib.request.symbol.toStringTag", + ...["ok", "status", "statusText", "url", "redirected", "headers", "body", "bodyUsed"].map( + (member): FetchCompatOperation => ({ + id: `stdlib.response.${member}`, + name: `Response.${member}`, + kind: "property", + facets: ["property-read"], + evidence: [fixture("static")], + }), + ), + { + id: "stdlib.response.static.json", + name: "Response.json", + kind: "static-method", + facets: ["webidl-conversion", "error-shape"], + scope: + "data that crosses the checked-dynamic boundary, serialized with JSON.stringify (toJSON hooks included); ResponseInit as for the constructor", + evidence: [fixture("static-response-json")], + }, + ...["json", "text", "bytes", "arrayBuffer"].map((member): FetchCompatOperation => ({ + id: `stdlib.response.${member}`, + name: `Response.${member}`, + kind: "method", + facets: ["body-consumption", "promise-settlement", "state-machine", "error-shape"], + evidence: + member === "arrayBuffer" + ? [fixture("static")] + : [fixture("static"), fixture("static-stream")], + })), + ], + inventory: { + interfaces: [ + "AbortController", + "AbortSignal", + "Headers", "Request", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), - - staticEntry("stdlib.response.constructor", "Response", "constructor", "constructor"), - staticEntry("stdlib.response.static.json", "Response", "json", "static"), - ...["error", "redirect"].map((member) => - unsupportedEntry( - `stdlib.response.static.${member}`, - "Response", - member, - "static", - "Response static constructor-object operations have no compiler lowering", - ), - ), - unsupportedEntry("stdlib.response.type", "Response", "type", "prototype", widerMemberFence), - ...["url", "redirected", "status", "ok", "statusText", "headers", "body", "bodyUsed"].map( - (member) => staticEntry(`stdlib.response.${member}`, "Response", member, "prototype"), - ), - staticEntry("stdlib.response.arrayBuffer", "Response", "arrayBuffer", "prototype"), - ...["clone", "blob", "formData"].map((member) => - unsupportedEntry( - `stdlib.response.${member}`, - "Response", - member, - "prototype", - "the native fetch runtime does not implement this Response operation", - ), - ), - ...["text", "json"].map((member) => - staticEntry(`stdlib.response.${member}`, "Response", member, "prototype"), - ), - staticEntry("stdlib.response.bytes", "Response", "bytes", "prototype"), - outOfScopeEntry( - "stdlib.response.symbol.toStringTag", "Response", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), - - staticEntry( - "stdlib.readable-stream.constructor", "ReadableStream", - "constructor", - "constructor", - ), - staticEntry("stdlib.readable-stream.from", "ReadableStream", "from", "static"), - staticEntry("stdlib.readable-stream.locked", "ReadableStream", "locked", "prototype"), - staticEntry("stdlib.readable-stream.cancel", "ReadableStream", "cancel", "prototype"), - staticEntry("stdlib.readable-stream.get-reader", "ReadableStream", "getReader", "prototype"), - ...["pipeThrough", "values"].map((member) => - unsupportedEntry( - `stdlib.readable-stream.${member}`, - "ReadableStream", - member, - "prototype", - member === "values" - ? "direct for-await consumption compiles statically; storing or driving the first-class iterator handle is unsupported" - : "the wider Web Streams graph is outside the native readable-stream slice", + "ReadableStreamDefaultReader", + "ReadableStreamDefaultController", + ], + entries: [ + staticEntry("stdlib.fetch", "globalThis", "fetch", "global"), + + staticEntry( + "stdlib.abort-controller.constructor", + "AbortController", + "constructor", + "constructor", ), - ), - ...["pipeTo", "tee"].map((member) => - unsupportedEntry( - `stdlib.readable-stream.${member}`, - "ReadableStream", - member, - "prototype", - "this operation is outside the native readable-stream implementation", + staticEntry("stdlib.abort-controller.signal", "AbortController", "signal", "prototype"), + staticEntry("stdlib.abort-controller.abort", "AbortController", "abort", "prototype"), + outOfScopeEntry( + "stdlib.abort-controller.symbol.toStringTag", + "AbortController", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, ), - ), - unsupportedEntry( - "stdlib.readable-stream.symbol.asyncIterator", - "ReadableStream", - "[Symbol.asyncIterator]", - "prototype-symbol", - "direct for-await consumption compiles statically; explicit symbol access and stored iterator handles have no compiler lowering", - ), - outOfScopeEntry( - "stdlib.readable-stream.symbol.toStringTag", - "ReadableStream", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), - unsupportedEntry( - "stdlib.readable-stream-default-reader.constructor", - "ReadableStreamDefaultReader", - "constructor", - "constructor", - "reader handles come from ReadableStream.getReader(); the constructor object is unsupported", - ), - staticEntry( - "stdlib.readable-stream-default-reader.read", - "ReadableStreamDefaultReader", - "read", - "prototype", - ), - staticEntry( - "stdlib.readable-stream-default-reader.release-lock", - "ReadableStreamDefaultReader", - "releaseLock", - "prototype", - ), - staticEntry( - "stdlib.readable-stream-default-reader.closed", - "ReadableStreamDefaultReader", - "closed", - "prototype", - ), - staticEntry( - "stdlib.readable-stream-default-reader.cancel", - "ReadableStreamDefaultReader", - "cancel", - "prototype", - ), - outOfScopeEntry( - "stdlib.readable-stream-default-reader.symbol.toStringTag", - "ReadableStreamDefaultReader", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), + unsupportedEntry( + "stdlib.abort-signal.constructor", + "AbortSignal", + "constructor", + "constructor", + "Node exposes the interface object but constructing it throws; the compiler does not preserve that constructor behavior", + ), + staticEntry("stdlib.abort-signal.abort", "AbortSignal", "abort", "static"), + staticEntry("stdlib.abort-signal.timeout", "AbortSignal", "timeout", "static"), + staticEntry("stdlib.abort-signal.any", "AbortSignal", "any", "static"), + staticEntry("stdlib.abort-signal.aborted", "AbortSignal", "aborted", "prototype"), + staticEntry("stdlib.abort-signal.reason", "AbortSignal", "reason", "prototype"), + staticEntry( + "stdlib.abort-signal.throw-if-aborted", + "AbortSignal", + "throwIfAborted", + "prototype", + ), + staticEntry("stdlib.abort-signal.onabort", "AbortSignal", "onabort", "prototype"), + staticEntry( + "stdlib.abort-signal.add-event-listener", + "AbortSignal", + "addEventListener", + "prototype-inherited", + ), + staticEntry( + "stdlib.abort-signal.remove-event-listener", + "AbortSignal", + "removeEventListener", + "prototype-inherited", + ), + staticEntry( + "stdlib.abort-signal.dispatch-event", + "AbortSignal", + "dispatchEvent", + "prototype-inherited", + ), + outOfScopeEntry( + "stdlib.abort-signal.symbol.toStringTag", + "AbortSignal", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), - unsupportedEntry( - "stdlib.readable-stream-default-controller.constructor", - "ReadableStreamDefaultController", - "constructor", - "constructor", - "controller handles come from underlying-source callbacks; the constructor object is unsupported", - ), - staticEntry( - "stdlib.readable-stream-default-controller.desired-size", - "ReadableStreamDefaultController", - "desiredSize", - "prototype", - ), - staticEntry( - "stdlib.readable-stream-default-controller.close", - "ReadableStreamDefaultController", - "close", - "prototype", - ), - staticEntry( - "stdlib.readable-stream-default-controller.enqueue", - "ReadableStreamDefaultController", - "enqueue", - "prototype", - ), - staticEntry( - "stdlib.readable-stream-default-controller.error", - "ReadableStreamDefaultController", - "error", - "prototype", - ), - outOfScopeEntry( - "stdlib.readable-stream-default-controller.symbol.toStringTag", - "ReadableStreamDefaultController", - "[Symbol.toStringTag]", - "prototype-symbol", - metadataExclusion, - ), + staticEntry("stdlib.headers.constructor", "Headers", "constructor", "constructor"), + ...["append", "delete", "get", "has", "set", "getSetCookie"].map((member) => + staticEntry(`stdlib.headers.${member}`, "Headers", member, "prototype"), + ), + ...["keys", "values", "entries"].map((member) => + unsupportedEntry( + `stdlib.headers.${member}`, + "Headers", + member, + "prototype", + "native Headers iteration does not yet expose a static iterator handle", + ), + ), + staticEntry("stdlib.headers.forEach", "Headers", "forEach", "prototype"), + unsupportedEntry( + "stdlib.headers.symbol.iterator", + "Headers", + "[Symbol.iterator]", + "prototype-symbol", + "native Headers iteration does not expose an engine-free iterator handle", + ), + outOfScopeEntry( + "stdlib.headers.symbol.toStringTag", + "Headers", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), - ...[ - "body", - "cache", - "credentials", - "dispatcher", - "duplex", - "headers", - "integrity", - "keepalive", - "method", - "mode", - "priority", - "redirect", - "referrer", - "referrerPolicy", - "signal", - "window", - ].map((member) => { - const id = `stdlib.fetch.request-init.${member}`; - const supported = new Set(["body", "duplex", "headers", "method", "redirect", "signal"]); - return supported.has(member) - ? staticEntry(id, "RequestInit", member, "dictionary") - : member === "dispatcher" + staticEntry("stdlib.request.constructor", "Request", "constructor", "constructor"), + ...[ + "method", + "url", + "headers", + "destination", + "referrer", + "referrerPolicy", + "mode", + "credentials", + "cache", + "redirect", + "integrity", + "keepalive", + "isReloadNavigation", + "isHistoryNavigation", + "signal", + "body", + "bodyUsed", + "duplex", + "clone", + "blob", + "arrayBuffer", + "text", + "json", + "formData", + "bytes", + "attribute", + ].map((member) => + ["clone", "blob", "formData", "attribute"].includes(member) ? unsupportedEntry( - id, - "RequestInit", + `stdlib.request.${member}`, + "Request", member, - "dictionary", - "custom dispatchers are unsupported; native environment-proxy routing uses NODE_USE_ENV_PROXY", + "prototype", + typedInterfaceUnsupported, ) - : unsupportedEntry( - id, - "RequestInit", - member, - "dictionary", - "the compiler does not preserve this RequestInit member's conversion or transport behavior", - ); - }), - ...["headers", "status", "statusText"].map((member) => - staticEntry(`stdlib.response-init.${member}`, "ResponseInit", member, "dictionary"), - ), - ], - excludedInterfaces: [ - { - name: "Blob/File/FormData bodies", - reason: - "fetch request and response bodies do not accept or produce Blob, File, or FormData values", - }, - { - name: "WritableStream/TransformStream", - reason: - "native support covers readable fetch bodies and the identity `new TransformStream()`; the WritableStream constructor, transformers, and general Web Streams graphs are unsupported", - }, - { - name: "Readable byte/BYOB streams", - reason: - "the native stream projection currently supports default readers and controllers only", - }, - { - name: "EventSource/WebSocket", - reason: "these are separate protocol clients, not fetch request/response compatibility", - }, - ], - }, -} satisfies FetchCompatProfile; + : staticEntry(`stdlib.request.${member}`, "Request", member, "prototype"), + ), + outOfScopeEntry( + "stdlib.request.symbol.toStringTag", + "Request", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), -export const STATIC_RESPONSE_READS = new Set(NODE24_FETCH_COMPAT_PROFILE.members.responseReads); + staticEntry("stdlib.response.constructor", "Response", "constructor", "constructor"), + staticEntry("stdlib.response.static.json", "Response", "json", "static"), + ...["error", "redirect"].map((member) => + unsupportedEntry( + `stdlib.response.static.${member}`, + "Response", + member, + "static", + "Response static constructor-object operations have no compiler lowering", + ), + ), + unsupportedEntry("stdlib.response.type", "Response", "type", "prototype", widerMemberFence), + ...["url", "redirected", "status", "ok", "statusText", "headers", "body", "bodyUsed"].map( + (member) => staticEntry(`stdlib.response.${member}`, "Response", member, "prototype"), + ), + staticEntry("stdlib.response.arrayBuffer", "Response", "arrayBuffer", "prototype"), + ...["clone", "blob", "formData"].map((member) => + unsupportedEntry( + `stdlib.response.${member}`, + "Response", + member, + "prototype", + "the native fetch runtime does not implement this Response operation", + ), + ), + ...["text", "json"].map((member) => + staticEntry(`stdlib.response.${member}`, "Response", member, "prototype"), + ), + staticEntry("stdlib.response.bytes", "Response", "bytes", "prototype"), + outOfScopeEntry( + "stdlib.response.symbol.toStringTag", + "Response", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), -export const STATIC_RESPONSE_CALLS = new Set(NODE24_FETCH_COMPAT_PROFILE.members.responseCalls); + staticEntry( + "stdlib.readable-stream.constructor", + "ReadableStream", + "constructor", + "constructor", + ), + staticEntry("stdlib.readable-stream.from", "ReadableStream", "from", "static"), + staticEntry("stdlib.readable-stream.locked", "ReadableStream", "locked", "prototype"), + staticEntry("stdlib.readable-stream.cancel", "ReadableStream", "cancel", "prototype"), + staticEntry( + "stdlib.readable-stream.get-reader", + "ReadableStream", + "getReader", + "prototype", + ), + ...["pipeThrough", "values"].map((member) => + unsupportedEntry( + `stdlib.readable-stream.${member}`, + "ReadableStream", + member, + "prototype", + member === "values" + ? "direct for-await consumption compiles statically; storing or driving the first-class iterator handle is unsupported" + : "the wider Web Streams graph is outside the native readable-stream slice", + ), + ), + ...["pipeTo", "tee"].map((member) => + unsupportedEntry( + `stdlib.readable-stream.${member}`, + "ReadableStream", + member, + "prototype", + "this operation is outside the native readable-stream implementation", + ), + ), + unsupportedEntry( + "stdlib.readable-stream.symbol.asyncIterator", + "ReadableStream", + "[Symbol.asyncIterator]", + "prototype-symbol", + "direct for-await consumption compiles statically; explicit symbol access and stored iterator handles have no compiler lowering", + ), + outOfScopeEntry( + "stdlib.readable-stream.symbol.toStringTag", + "ReadableStream", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), -export const STATIC_HEADERS_CALLS = new Set( - NODE24_FETCH_COMPAT_PROFILE.inventory.entries - .filter( - (entry) => - entry.owner === "Headers" && entry.placement === "prototype" && entry.status === "static", - ) - .map((entry) => entry.member), -); + unsupportedEntry( + "stdlib.readable-stream-default-reader.constructor", + "ReadableStreamDefaultReader", + "constructor", + "constructor", + "reader handles come from ReadableStream.getReader(); the constructor object is unsupported", + ), + staticEntry( + "stdlib.readable-stream-default-reader.read", + "ReadableStreamDefaultReader", + "read", + "prototype", + ), + staticEntry( + "stdlib.readable-stream-default-reader.release-lock", + "ReadableStreamDefaultReader", + "releaseLock", + "prototype", + ), + staticEntry( + "stdlib.readable-stream-default-reader.closed", + "ReadableStreamDefaultReader", + "closed", + "prototype", + ), + staticEntry( + "stdlib.readable-stream-default-reader.cancel", + "ReadableStreamDefaultReader", + "cancel", + "prototype", + ), + outOfScopeEntry( + "stdlib.readable-stream-default-reader.symbol.toStringTag", + "ReadableStreamDefaultReader", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), -export const STATIC_READABLE_STREAM_READS = new Set( - NODE24_FETCH_COMPAT_PROFILE.members.readableStreamReads, -); + unsupportedEntry( + "stdlib.readable-stream-default-controller.constructor", + "ReadableStreamDefaultController", + "constructor", + "constructor", + "controller handles come from underlying-source callbacks; the constructor object is unsupported", + ), + staticEntry( + "stdlib.readable-stream-default-controller.desired-size", + "ReadableStreamDefaultController", + "desiredSize", + "prototype", + ), + staticEntry( + "stdlib.readable-stream-default-controller.close", + "ReadableStreamDefaultController", + "close", + "prototype", + ), + staticEntry( + "stdlib.readable-stream-default-controller.enqueue", + "ReadableStreamDefaultController", + "enqueue", + "prototype", + ), + staticEntry( + "stdlib.readable-stream-default-controller.error", + "ReadableStreamDefaultController", + "error", + "prototype", + ), + outOfScopeEntry( + "stdlib.readable-stream-default-controller.symbol.toStringTag", + "ReadableStreamDefaultController", + "[Symbol.toStringTag]", + "prototype-symbol", + metadataExclusion, + ), -export const STATIC_READABLE_STREAM_CALLS = new Set( - NODE24_FETCH_COMPAT_PROFILE.members.readableStreamCalls, -); + ...[ + "body", + "cache", + "credentials", + "dispatcher", + "duplex", + "headers", + "integrity", + "keepalive", + "method", + "mode", + "priority", + "redirect", + "referrer", + "referrerPolicy", + "signal", + "window", + ].map((member) => { + const id = `stdlib.fetch.request-init.${member}`; + const supported = new Set(["body", "duplex", "headers", "method", "redirect", "signal"]); + return supported.has(member) + ? staticEntry(id, "RequestInit", member, "dictionary") + : member === "dispatcher" + ? unsupportedEntry( + id, + "RequestInit", + member, + "dictionary", + "custom dispatchers are unsupported; native environment-proxy routing uses NODE_USE_ENV_PROXY", + ) + : unsupportedEntry( + id, + "RequestInit", + member, + "dictionary", + "the compiler does not preserve this RequestInit member's conversion or transport behavior", + ); + }), + ...["headers", "status", "statusText"].map((member) => + staticEntry(`stdlib.response-init.${member}`, "ResponseInit", member, "dictionary"), + ), + ], + excludedInterfaces: [ + { + name: "Blob/File/FormData bodies", + reason: + "fetch request and response bodies do not accept or produce Blob, File, or FormData values", + }, + { + name: "WritableStream/TransformStream", + reason: + "native support covers readable fetch bodies and the identity `new TransformStream()`; the WritableStream constructor, transformers, and general Web Streams graphs are unsupported", + }, + { + name: "Readable byte/BYOB streams", + reason: + "the native stream projection currently supports default readers and controllers only", + }, + { + name: "EventSource/WebSocket", + reason: "these are separate protocol clients, not fetch request/response compatibility", + }, + ], + }, + } satisfies FetchCompatProfile; +} + +let fetchCompatProfile: ReturnType | undefined; + +/** The Node 24 fetch compatibility profile. It is built on the first call, + * so runs that do not lower a module do not construct it. */ +export function node24FetchCompatProfile(): ReturnType { + fetchCompatProfile ??= buildFetchCompatProfile(); + return fetchCompatProfile; +} + +/** The members the native static fetch handles project. */ +export interface StaticFetchMembers { + responseReads: ReadonlySet; + responseCalls: ReadonlySet; + headersCalls: ReadonlySet; + readableStreamReads: ReadonlySet; + readableStreamCalls: ReadonlySet; +} + +let staticFetchMemberSets: StaticFetchMembers | undefined; + +/** The profile's static members as sets, built on the first call. */ +export function staticFetchMembers(): StaticFetchMembers { + if (staticFetchMemberSets !== undefined) return staticFetchMemberSets; + const profile = node24FetchCompatProfile(); + staticFetchMemberSets = { + responseReads: new Set(profile.members.responseReads), + responseCalls: new Set(profile.members.responseCalls), + headersCalls: new Set( + profile.inventory.entries + .filter( + (entry) => + entry.owner === "Headers" && + entry.placement === "prototype" && + entry.status === "static", + ) + .map((entry) => entry.member), + ), + readableStreamReads: new Set(profile.members.readableStreamReads), + readableStreamCalls: new Set(profile.members.readableStreamCalls), + }; + return staticFetchMemberSets; +} diff --git a/packages/compiler/src/compile-types.ts b/packages/compiler/src/compile-types.ts index 2a5cea5ea..8ec7b5ffd 100644 --- a/packages/compiler/src/compile-types.ts +++ b/packages/compiler/src/compile-types.ts @@ -6,6 +6,7 @@ import type { NativeProfileMatch } from "./backend/native-profile.js"; import type { ScrDiagnostic } from "./diagnostics/diagnostic.js"; import type { CoverageInput } from "./coverage/report.js"; import type { TierMode } from "./frontend/tier-analysis.js"; +import type { NodeIslandOptions } from "./node-islands/policy.js"; export type CompileOutputKind = "ir" | "llvm" | "asm" | "obj" | "exe"; @@ -193,6 +194,9 @@ export interface AnalyzeOptions { /** `--wasm `: WebAssembly module files the program loads that its * sources do not name (absolute paths); reported with the discovered ones. */ wasm?: readonly string[]; + /** The Node island policy's command-line half (report-only: coverage + * reports which packages and modules would run in a Node island). */ + nodeIslands?: NodeIslandOptions; } export interface AnalyzeResult { diff --git a/packages/compiler/src/coverage/report.ts b/packages/compiler/src/coverage/report.ts index 79017c97a..58a2cafa6 100644 --- a/packages/compiler/src/coverage/report.ts +++ b/packages/compiler/src/coverage/report.ts @@ -17,6 +17,7 @@ import { type DiagnosticsEnvelope, type LocatedDiagnostic, type SourcePosition, + type NodeIslandsEnvelope, type TierUnitPosition, type TiersEnvelope, } from "../diagnostics/envelope.js"; @@ -25,6 +26,14 @@ import type { LowerStats } from "../frontend/lowering/lowerer.js"; import type { ProvenanceSources } from "../frontend/provenance-registry.js"; import type { DemotionUnit, TierReport } from "../frontend/tier-analysis.js"; import type { WasmModuleReport } from "../wasm/discover.js"; +import { + describe as describeReason, + hasNodeIslandDecisions, + type NodeIslandEntry, + type NodeIslandReport, +} from "../node-islands/summary.js"; +import { classDescription } from "../node-islands/rules.js"; +import type { SrcLoc } from "../ir/ir.js"; export interface CoverageInput { file: string; @@ -65,6 +74,10 @@ export interface CoverageInput { /** The WebAssembly modules the build can see (wasm/discover.ts): their * size, validity and the proposals they use. */ wasmModules?: WasmModuleReport[]; + /** Node islands, report-only: the packages and user modules that would + * run in a Node island, and why. Present when there is something to + * report. */ + nodeIslands?: NodeIslandReport; /** True when tsc preflight failed — no coverage can be computed. */ preflightFailed: boolean; } @@ -148,6 +161,19 @@ export function renderCoverage(input: CoverageInput, opts: CoverageRenderOptions out.push(` ${c(RED, "not analyzable")}: ${config[0]!.message}`); return out.join("\n"); } + const projectConfig = input.diagnostics.filter((d) => d.code === "SC8004"); + if (projectConfig.length > 0) { + out.push( + ` ${c(RED, "not analyzable")}: the project's scriptc configuration has ${projectConfig.length} unknown setting${projectConfig.length === 1 ? "" : "s"}`, + ); + for (const d of projectConfig) { + const p = locator.position(d.loc.file, d.loc.start); + out.push(` ${c(DIM, "SC8004")} ${d.message}`); + out.push(` ${c(DIM, `at ${where({ file: d.loc.file, ...p })}`)}`); + if (d.hint !== undefined) out.push(` ${c(DIM, `hint: ${d.hint}`)}`); + } + return out.join("\n"); + } const tsc = input.diagnostics.filter((d) => d.code === "SC0001"); if (tsc.length > 0) { const world = tsc.filter((d) => d.typeWorld === true).length; @@ -225,6 +251,22 @@ export function renderCoverage(input: CoverageInput, opts: CoverageRenderOptions out.push(""); } + // Node islands (report-only): what would run in Node, gap islands + // first (DESIGN.md §1.3: a gap island is compiler work an island hides). + if (input.nodeIslands !== undefined && hasNodeIslandDecisions(input.nodeIslands)) { + renderNodeIslands( + input.nodeIslands, + out, + c, + (loc) => { + const p = locator.position(loc.file, loc.start); + return where({ file: loc.file, ...p }); + }, + opts.root, + ); + out.push(""); + } + // The WebAssembly modules the build can see (wasm/discover.ts). A build // translates the valid ones to native code (wasm/translate.ts) when the // program uses the WebAssembly API; the others fail to load at run time. @@ -477,9 +519,24 @@ function displayPath(file: string, root: string | undefined): string { } /** What `coverage --fail-on` checks: reached blockers (they fail a build) - * and, optionally, divergences or the performance warning. Unreached - * blockers never fail. */ -export type CoverageFailOn = "blockers" | "divergences" | "dynamic"; + * and, optionally, divergences, the performance warning or Node islands. + * Unreached blockers never fail. */ +export type CoverageFailOn = + | "blockers" + | "divergences" + | "dynamic" + | "node-islands" + | "eager-node-islands" + | "island-gaps"; + +export const COVERAGE_FAIL_ON: readonly CoverageFailOn[] = [ + "blockers", + "divergences", + "dynamic", + "node-islands", + "eager-node-islands", + "island-gaps", +]; /** Whether the analysis passes the selected gate. Preflight failures * always fail; `failOn` undefined means only preflight fails (the report's @@ -492,6 +549,16 @@ export function coveragePasses(input: CoverageInput, failOn?: CoverageFailOn): b if (input.diagnostics.length > 0) return false; if (failOn === "divergences" && (input.divergences?.length ?? 0) > 0) return false; if (failOn === "dynamic" && (input.performance?.length ?? 0) > 0) return false; + // The Node island gates (report-only islands count: they are what a + // build would choose). Every island evaluates eagerly until deferred + // evaluation lands, so eager-node-islands equals node-islands for now. + // Would-be policy errors (SC8002, SC8003) fail every island gate. + const islands = input.nodeIslands; + if (islands === undefined) return true; + const anyIsland = failOn === "node-islands" || failOn === "eager-node-islands"; + if ((anyIsland || failOn === "island-gaps") && islands.violations.length > 0) return false; + if (anyIsland && (islands.islands.length > 0 || islands.userModules.length > 0)) return false; + if (failOn === "island-gaps" && islands.islands.some((i) => i.class === "gap")) return false; return true; } @@ -555,6 +622,9 @@ export function coverageEnvelope( }), ...(input.tiers !== undefined ? { tiers: tiersEnvelope(input.tiers, locator) } : {}), ...(input.wasmModules !== undefined ? { wasmModules: input.wasmModules } : {}), + ...(input.nodeIslands !== undefined + ? { nodeIslands: nodeIslandsEnvelope(input.nodeIslands, locator) } + : {}), groups, diagnostics: located, }; @@ -692,3 +762,211 @@ export function renderExplainDynamic( } return out.join("\n"); } + +/* ── Node islands (report-only) ───────────────────────────────────────── */ + +const ISLAND_REASONS_SHOWN = 1; + +function islandName(i: { package: string; version: string | null }): string { + return i.version === null ? i.package : `${i.package}@${i.version}`; +} + +function renderNodeIslands( + report: NodeIslandReport, + out: string[], + c: (code: string, s: string) => string, + at: (loc: SrcLoc) => string, + root: string | undefined, +): void { + const n = report.islands.length + report.userModules.length; + out.push( + ` ${c(BOLD, "Node islands")} ${c(DIM, `(would-be, report-only: the build is unchanged; --node-islands=${report.policy})`)}`, + ); + if (n === 0) out.push(` ${c(DIM, "none")}`); + const widest = Math.max(0, ...report.islands.map((i) => i.class.length)); + for (const island of report.islands) { + const tone = island.class === "gap" ? RED : YELLOW; + const decided = + island.decision === "auto" + ? "" + : c( + DIM, + ` (marked by ${island.decision === "cli" ? "--node-island" : "scriptc.packages"})`, + ); + out.push(` ${c(tone, island.class.padEnd(widest))} ${islandName(island)}${decided}`); + for (const r of island.reasons.slice(0, ISLAND_REASONS_SHOWN)) { + const where = r.loc === null ? "" : `${at(r.loc)}: `; + out.push(` ${c(DIM, capMessage(`${where}${describeReason(r)}`))}`); + } + const more = island.reasons.length - ISLAND_REASONS_SHOWN; + const details = [ + more > 0 + ? `+${more} more reason${more === 1 ? "" : "s"} in ${counted(island.modules, "module")}` + : "", + island.carries.length > 0 ? `carries ${island.carries.join(", ")}` : "", + ].filter((t) => t !== ""); + if (details.length > 0) out.push(` ${c(DIM, details.join("; "))}`); + } + for (const m of report.userModules) { + out.push( + ` ${c(YELLOW, "marked".padEnd(widest))} ${displayPath(m.file, root)} ${c(DIM, `(user module, marked by ${m.source === "cli" ? "--node-island" : "nodeIslands.modules"})`)}`, + ); + } + for (const v of report.violations) { + out.push(` ${c(RED, v.code)} ${capMessage(v.message)}`); + } + const shared = report.packages.filter((p) => p.status === "shared"); + if (shared.length > 0) { + out.push( + ` ${c(DIM, `reached from native code and from an island: ${shared.map((p) => p.package).join(", ")}`)}`, + ); + } + const native = report.packages.filter((p) => p.status === "native"); + if (native.length > 0) { + out.push( + ` ${c(DIM, `${counted(native.length, "package")} stay${native.length === 1 ? "s" : ""} native: ${native.map((p) => p.package).join(", ")}`)}`, + ); + } + if (report.unknownPackages.length > 0) { + out.push( + ` ${c(YELLOW, "note")} not imported by the program: ${report.unknownPackages.join(", ")}`, + ); + } + if (report.islands.length > 0) { + out.push( + ` ${c(DIM, "hint: scriptc coverage --explain-island= lists every reason")}`, + ); + } +} + +/** `scriptc coverage --explain-island=`: why a package would run + * in a Node island — every module's first reason, the native import sites + * (the boundary), the packages inside its closure, and what later + * milestones decide. */ +export function renderExplainIsland( + report: NodeIslandReport | undefined, + query: string, + opts: CoverageRenderOptions = {}, +): string { + const c = (code: string, s: string) => (opts.color ? code + s + RESET : s); + const locator = new SourceLocator(opts.sourceTexts); + const at = (loc: SrcLoc) => { + const p = locator.position(loc.file, loc.start); + return `${displayPath(loc.file, opts.root)}:${p.line}:${p.column}`; + }; + const out: string[] = []; + const matches = (report?.islands ?? []).filter( + (i) => i.package === query || islandName(i) === query, + ); + if (matches.length === 0) { + const pkg = (report?.packages ?? []).find((p) => p.package === query); + if (pkg === undefined) { + out.push(` '${query}' is not a Node island: no npm package of that name is in the program`); + } else if (pkg.status === "inside") { + out.push( + ` '${query}' is not a Node island of its own: only ${pkg.islands.join(", ")} import${pkg.islands.length === 1 ? "s" : ""} it, so it would run inside that island`, + ); + } else if (pkg.status === "shared") { + out.push( + ` '${query}' compiles natively and is also reached from the Node island${pkg.islands.length === 1 ? "" : "s"} ${pkg.islands.join(", ")}`, + ); + } else { + out.push(` '${query}' is not a Node island: it compiles natively`); + } + return out.join("\n"); + } + for (const island of matches) { + out.push( + ` ${c(BOLD, "Node island")} ${islandName(island)} ${c(DIM, "(would-be, report-only)")}`, + ); + if (island.path !== null) out.push(` path ${displayPath(island.path, opts.root)}`); + out.push(` class ${island.class}: ${classDescription(island.class)}`); + out.push( + ` decision ${island.decision === "auto" ? "automatic (npm code outside the native subset)" : island.decision === "cli" ? "marked with --node-island" : 'marked "node" in scriptc.packages'}`, + ); + out.push( + ` evaluation eager at its module position ${c(DIM, "(deferred evaluation is decided by a later milestone)")}`, + ); + if (island.reasons.length > 0) { + out.push(` reasons ${c(DIM, "(first per module; decisive class first)")}`); + const shown = new Set(); + for (const r of island.reasons) { + const key = r.loc === null ? "" : r.loc.file; + if (shown.has(key)) continue; + shown.add(key); + const where = r.loc === null ? "package" : at(r.loc); + out.push(` ${r.class.padEnd(12)} ${where}`); + out.push(` ${c(DIM, capMessage(describeReason(r)))}`); + } + const counts = new Map(); + for (const r of island.reasons) counts.set(r.class, (counts.get(r.class) ?? 0) + 1); + const summary = [...counts].map(([cls, k]) => `${k} ${cls}`).join(", "); + out.push(` all reasons ${island.reasons.length} (${summary})`); + } + if (island.importedFrom.length > 0) { + out.push(` boundary ${counted(island.importedFrom.length, "native import site")}:`); + for (const loc of island.importedFrom.slice(0, SITES_SHOWN)) out.push(` ${at(loc)}`); + if (island.importedFrom.length > SITES_SHOWN) + out.push(` ${c(DIM, `+${island.importedFrom.length - SITES_SHOWN} more`)}`); + out.push( + ` ${c(DIM, "copy and handle decisions per boundary site come with compiler-managed islands")}`, + ); + } else { + out.push( + ` boundary ${c(DIM, "no native import site (reached only from other islands)")}`, + ); + } + if (island.carries.length > 0) out.push(` carries ${island.carries.join(", ")}`); + } + return out.join("\n"); +} + +function nodeIslandsEnvelope( + report: NodeIslandReport, + locator: SourceLocator, +): NodeIslandsEnvelope { + const pos = (loc: SrcLoc): SourcePosition => ({ + file: loc.file, + ...locator.position(loc.file, loc.start), + }); + const entry = (i: NodeIslandEntry) => { + const first = i.reasons[0]; + return { + package: i.package, + version: i.version, + path: i.path, + class: i.class, + reason: i.reason, + diagnostic: i.diagnostic, + decision: i.decision, + evaluation: i.evaluation, + ...(first !== undefined && first.loc !== null ? { at: pos(first.loc) } : {}), + reasons: i.reasons.map((r) => ({ + class: r.class, + rule: r.rule, + reason: r.reason, + code: r.code, + message: r.message, + source: r.source, + ...(r.loc !== null ? { at: pos(r.loc) } : {}), + })), + carries: i.carries, + importedFrom: i.importedFrom.map(pos), + }; + }; + return { + mode: report.mode, + policy: report.policy, + islands: report.islands.map(entry), + userModules: report.userModules.map((m) => ({ file: m.file, decision: m.source })), + npmPackages: report.packages.map((p) => ({ + package: p.package, + version: p.version, + path: p.path, + status: p.status, + islands: p.islands, + })), + violations: report.violations.map((v) => ({ code: v.code, message: v.message, ...pos(v.loc) })), + unknownPackages: report.unknownPackages, + }; +} diff --git a/packages/compiler/src/coverage/surface-manifest.ts b/packages/compiler/src/coverage/surface-manifest.ts index 9867a5617..b87a8065d 100644 --- a/packages/compiler/src/coverage/surface-manifest.ts +++ b/packages/compiler/src/coverage/surface-manifest.ts @@ -39,14 +39,14 @@ import { InternalCompilerError } from "../errors.js"; * byte-deterministic: entries sort by id, keys are emitted in one fixed * order, and the output carries no timestamps or absolute paths. */ import { FENCE_CODES, UNSUPPORTED, webAssemblyDiag } from "../diagnostics/diagnostic.js"; -import { NODE24_FETCH_COMPAT_PROFILE } from "../compat/fetch-profile.js"; +import { node24FetchCompatProfile } from "../compat/fetch-profile.js"; import { SUPPORTED_BUILTIN_MODULES, SUPPORTED_NODE_MODULES } from "../frontend/builtin-modules.js"; import { - AMBIENT_SURFACE_FNS, + ambientSurfaceFns, ARRAY_METHODS, BUILTIN_MODULE_CONSTS, BUILTIN_MODULE_FENCE_HINTS, - BUILTIN_MODULE_FNS, + builtinModuleFns, COLLECTION_ITERATOR_METHODS, COMPOUND_ASSIGN_OPS, STDLIB_SURFACE, @@ -88,18 +88,21 @@ export const MANIFEST_SCHEMA_VERSION = 2; /** The manifest's own scope statement: what the projection covers and — * just as load-bearing — what it deliberately leaves out, so absence is * never read as a support claim in either direction. */ -const COVERAGE_NOTES: string[] = [ - "Entries are projected mechanically from the compiler's own decision tables: the diagnostics registry, the unsupported-syntax dispatch tables, the stdlib and node-builtin lowering tables, and the supported-builtin-module list. Nothing is hand-maintained; the manifest regenerates byte-identically from the source tree at this version.", - "Absence from this manifest means 'not projected', never 'unsupported'. Surfaces lowered through dedicated code paths rather than tables are not yet projected: console, JSON, Promise/async and the timer surface, the net/http/tls/https/dgram/dns/assert/test/stream/readline module member surfaces, template literals, the regex slice, global functions (parseInt, parseFloat, isNaN, isFinite), and the process surface outside its ambient slice.", - "The ambient-nondeterminism and ambient-authority surfaces the library sidecar's determinism attestation scans ARE projected even where they lower through dedicated code paths — the Date compositions (stdlib.date.*), perf_hooks' performance.now, and the process global's ambient reads and authority calls (node-builtin.process.*) — so a determinism fence can name every surface the attestation demotes on.", - "stdlib and node-builtin member entries name surface whose LOWERED call forms are constrained (arity, argument shapes); declared call forms outside the lowered set are refused per site, with code SC2020 for standard-library and node-builtin surface.", - "Entries with status 'unsupported' describe where the named code is raised: forms of the construct outside the supported subset are refused with that code — not that every form of the named feature is refused. Supported forms appear as their own static entries where a table projects them.", - `The engine-free fetch projection targets Node ${NODE24_FETCH_COMPAT_PROFILE.target.node} with bundled Undici ${NODE24_FETCH_COMPAT_PROFILE.target.undici}. Each projected row names the differential evidence that guards it; changing the pinned Node or Undici version is an explicit profile update.`, - "The fetch profile also contains a runtime-reflected census of the selected fetch, abort, Headers, and readable-stream interfaces plus RequestInit/ResponseInit dictionary reads. Static and unsupported census rows are projected here; its explicitly out-of-scope metadata rows and adjacent-interface exclusions remain in the profile so absence is deliberate rather than ambiguous.", - "Process-level diagnostic codes are not surface entries: SC0001-SC0004 are preflight gates, SC1110 is a comptime evaluation failure, SC3001/SC3002 are backend/target tier refusals, SC9001/SC9002 are internal errors.", - "Entry statuses are projected for the desktop targets. The mobile targets (aarch64-apple-ios, aarch64-apple-ios-simulator, aarch64-linux-android) compile library-mode archives only: the library-admissible surface (what SC4005's async_free requirement and the library link set admit) is supported there, the executable lane refuses those triples with SC3002, and no entry outside the library-admissible surface carries a mobile support claim. iOS archives build for iOS 15.0 on darwin hosts; Android archives build against NDK API level 26.", - "No scheduling metadata is published; entry ids are the stable diff keys across releases.", -]; +function coverageNotes(): string[] { + const fetchTarget = node24FetchCompatProfile().target; + return [ + "Entries are projected mechanically from the compiler's own decision tables: the diagnostics registry, the unsupported-syntax dispatch tables, the stdlib and node-builtin lowering tables, and the supported-builtin-module list. Nothing is hand-maintained; the manifest regenerates byte-identically from the source tree at this version.", + "Absence from this manifest means 'not projected', never 'unsupported'. Surfaces lowered through dedicated code paths rather than tables are not yet projected: console, JSON, Promise/async and the timer surface, the net/http/tls/https/dgram/dns/assert/test/stream/readline module member surfaces, template literals, the regex slice, global functions (parseInt, parseFloat, isNaN, isFinite), and the process surface outside its ambient slice.", + "The ambient-nondeterminism and ambient-authority surfaces the library sidecar's determinism attestation scans ARE projected even where they lower through dedicated code paths — the Date compositions (stdlib.date.*), perf_hooks' performance.now, and the process global's ambient reads and authority calls (node-builtin.process.*) — so a determinism fence can name every surface the attestation demotes on.", + "stdlib and node-builtin member entries name surface whose LOWERED call forms are constrained (arity, argument shapes); declared call forms outside the lowered set are refused per site, with code SC2020 for standard-library and node-builtin surface.", + "Entries with status 'unsupported' describe where the named code is raised: forms of the construct outside the supported subset are refused with that code — not that every form of the named feature is refused. Supported forms appear as their own static entries where a table projects them.", + `The engine-free fetch projection targets Node ${fetchTarget.node} with bundled Undici ${fetchTarget.undici}. Each projected row names the differential evidence that guards it; changing the pinned Node or Undici version is an explicit profile update.`, + "The fetch profile also contains a runtime-reflected census of the selected fetch, abort, Headers, and readable-stream interfaces plus RequestInit/ResponseInit dictionary reads. Static and unsupported census rows are projected here; its explicitly out-of-scope metadata rows and adjacent-interface exclusions remain in the profile so absence is deliberate rather than ambiguous.", + "Process-level diagnostic codes are not surface entries: SC0001-SC0004 are preflight gates, SC1110 is a comptime evaluation failure, SC3001/SC3002 are backend/target tier refusals, SC9001/SC9002 are internal errors.", + "Entry statuses are projected for the desktop targets. The mobile targets (aarch64-apple-ios, aarch64-apple-ios-simulator, aarch64-linux-android) compile library-mode archives only: the library-admissible surface (what SC4005's async_free requirement and the library link set admit) is supported there, the executable lane refuses those triples with SC3002, and no entry outside the library-admissible surface carries a mobile support claim. iOS archives build for iOS 15.0 on darwin hosts; Android archives build against NDK API level 26.", + "No scheduling metadata is published; entry ids are the stable diff keys across releases.", + ]; +} /** Stable kebab id segment from prose: quotes dropped, the parenthetical * tail dropped, non-alphanumeric runs collapsed to one dash. */ @@ -410,7 +413,7 @@ export function generateSurfaceManifest(compilerVersion: string): SurfaceManifes : "recognized module (bare and node:-prefixed specifiers)", }); } - for (const [mod, members] of Object.entries(BUILTIN_MODULE_FNS)) { + for (const [mod, members] of Object.entries(builtinModuleFns())) { for (const member of Object.keys(members!)) { add({ id: `${moduleId(mod)}.${member}`, @@ -459,10 +462,9 @@ export function generateSurfaceManifest(compilerVersion: string): SurfaceManifes } // ── fetch/Web platform: one explicit, versioned compatibility profile ─ - const fetchTarget = - `Node ${NODE24_FETCH_COMPAT_PROFILE.target.node} / ` + - `Undici ${NODE24_FETCH_COMPAT_PROFILE.target.undici}`; - for (const operation of NODE24_FETCH_COMPAT_PROFILE.operations) { + const fetchProfile = node24FetchCompatProfile(); + const fetchTarget = `Node ${fetchProfile.target.node} / Undici ${fetchProfile.target.undici}`; + for (const operation of fetchProfile.operations) { const evidence = operation.evidence.map((item) => item.generated !== undefined ? `generated:${item.generated}` : `fixture:${item.fixture!}`, ); @@ -478,10 +480,7 @@ export function generateSurfaceManifest(compilerVersion: string): SurfaceManifes `differential evidence: ${evidence.join(", ")}`, }); } - for (const options of [ - NODE24_FETCH_COMPAT_PROFILE.requestInit, - NODE24_FETCH_COMPAT_PROFILE.responseInit, - ]) { + for (const options of [fetchProfile.requestInit, fetchProfile.responseInit]) { for (const option of options) { const evidence = option.evidence.map((item) => item.generated !== undefined ? `generated:${item.generated}` : `fixture:${item.fixture!}`, @@ -497,7 +496,7 @@ export function generateSurfaceManifest(compilerVersion: string): SurfaceManifes }); } } - for (const row of NODE24_FETCH_COMPAT_PROFILE.inventory.entries) { + for (const row of fetchProfile.inventory.entries) { if (row.status !== "unsupported") continue; if (row.code === undefined || row.reason === undefined) { throw new InternalCompilerError(`non-static fetch inventory row '${row.id}' is incomplete`); @@ -524,7 +523,7 @@ export function generateSurfaceManifest(compilerVersion: string): SurfaceManifes // Date/perf_hooks/process rows from the one ambient table — each entry // is fenceable by construction (its row carries the reach-witnessing // libCall spellings the fence detector uses). - for (const row of AMBIENT_SURFACE_FNS) { + for (const row of ambientSurfaceFns()) { add({ id: row.id, kind: row.kind, @@ -578,7 +577,7 @@ export function generateSurfaceManifest(compilerVersion: string): SurfaceManifes return { schemaVersion: MANIFEST_SCHEMA_VERSION, compilerVersion, - coverage: COVERAGE_NOTES, + coverage: coverageNotes(), entries, }; } diff --git a/packages/compiler/src/coverage/verdict-cache.ts b/packages/compiler/src/coverage/verdict-cache.ts index e5fa7242e..c92cdc45e 100644 --- a/packages/compiler/src/coverage/verdict-cache.ts +++ b/packages/compiler/src/coverage/verdict-cache.ts @@ -15,13 +15,15 @@ import type { ScrDiagnostic } from "../diagnostics/diagnostic.js"; import type { LowerStats } from "../frontend/lowering/lowerer.js"; import type { NpmStaticStatus } from "./report.js"; import type { WasmModuleReport } from "../wasm/discover.js"; +import type { NodeIslandReport } from "../node-islands/summary.js"; +import { nodeIslandOptionsKey } from "../node-islands/policy.js"; import { FrontendInputTracker, frontendInputsStillMatch, type FrontendInputSnapshot, } from "../frontend/input-tracker.js"; -const SCHEMA = "scriptc.coverage-verdict.v2"; +const SCHEMA = "scriptc.coverage-verdict.v3"; /** Key-value storage for verdict entries (best effort: failures miss). */ export interface VerdictStore { @@ -41,6 +43,7 @@ export interface CachedCoverage { performance?: ScrDiagnostic[]; npmStatic?: NpmStaticStatus[]; wasmModules?: WasmModuleReport[]; + nodeIslands?: NodeIslandReport; preflightFailed: boolean; } @@ -130,6 +133,10 @@ export function verdictKey( ...(opts.tier === "static-only" ? ["tier=static-only"] : []), // The module files' contents are probes; their names are options. ...(opts.wasm !== undefined && opts.wasm.length > 0 ? [`wasm=${opts.wasm.join("\n")}`] : []), + // The Node island policy's command-line half shapes the report. + ...(opts.nodeIslands !== undefined + ? [`node-islands=${nodeIslandOptionsKey(opts.nodeIslands)}`] + : []), ].join("\0"), ); } @@ -153,6 +160,7 @@ function cacheable(coverage: AnalyzeResult["coverage"]): CachedCoverage | null { if (coverage.performance !== undefined) out.performance = coverage.performance; if (coverage.npmStatic !== undefined) out.npmStatic = coverage.npmStatic; if (coverage.wasmModules !== undefined) out.wasmModules = coverage.wasmModules; + if (coverage.nodeIslands !== undefined) out.nodeIslands = coverage.nodeIslands; return out; } @@ -171,6 +179,7 @@ function restore(cached: CachedCoverage, sources: CachedSource[]): AnalyzeResult if (cached.performance !== undefined) coverage.performance = cached.performance; if (cached.npmStatic !== undefined) coverage.npmStatic = cached.npmStatic; if (cached.wasmModules !== undefined) coverage.wasmModules = cached.wasmModules; + if (cached.nodeIslands !== undefined) coverage.nodeIslands = cached.nodeIslands; return { coverage, sourceTexts }; } diff --git a/packages/compiler/src/diagnostics/diagnostic.ts b/packages/compiler/src/diagnostics/diagnostic.ts index 55c3e9047..75827376e 100644 --- a/packages/compiler/src/diagnostics/diagnostic.ts +++ b/packages/compiler/src/diagnostics/diagnostic.ts @@ -65,6 +65,13 @@ * notes, also warnings (coverage --fail-on=dynamic opts in): * likely-hot functions that use untyped values (SC6101, * diagnostics/dynamic-tier.ts) + * SC8xxx Node island policy: packages and modules outside the native + * subset that run (or, in report-only mode, would run) in a + * Node island — unknown project configuration (SC8004), a + * package required to be native (SC8003) or every island + * refused (SC8002) while outside the native subset, and the + * R2 object-model constructs in user JavaScript (SC8101–SC8105, + * behind --strict-user-js) * SC9xxx internal compiler errors (still source-anchored) */ import type { SrcLoc } from "../ir/ir.js"; @@ -92,6 +99,11 @@ export interface ScrDiagnostic { * the error may not reproduce under the project's tsc. Machine-readable * output reports these under the "environment" category. */ typeWorld?: boolean; + /** Why the construct is outside the native subset, as a Node island + * reason id (node-islands/rules.ts), at the refusal sites whose code + * alone does not say it (a computed require(), a native addon, `with`). + * Report-only: never part of the rendered message. */ + reason?: string; /** A runtime fence in a module's top-level code, outside every function * and class member body: it throws when the module initializes, which is * program startup for a module the entry imports. */ @@ -208,6 +220,75 @@ export function unrelatedClassCastDivergenceDiag( }; } +/* ── SC8xxx: Node island policy ───────────────────────────────────────── */ + +/** SC8004 — an unknown key or value in `scriptc.packages` or + * `scriptc.nodeIslands`. */ +export function projectConfigDiag( + path: string, + detail: string, + hint: string, + loc: SrcLoc, +): ScrDiagnostic { + return { + code: "SC8004", + message: `package.json '${path}' ${detail}`, + loc, + hint, + }; +} + +/** SC8002 — Node islands are off (or limited to marked islands) and an + * npm package is outside the native subset. */ +export function nodeIslandsOffDiag(pkg: string, why: string, loc: SrcLoc): ScrDiagnostic { + return { + code: "SC8002", + message: `npm package '${pkg}' is outside the native subset (${why}) and Node islands are off`, + loc, + hint: `allow Node islands (--node-islands=auto), mark it with --node-island=${pkg}, or replace the dependency`, + }; +} + +/** SC8002 — a user module is marked to run in a Node island while + * Node islands are off. */ +export function nodeIslandsOffModuleDiag( + file: string, + source: "config" | "cli", + loc: SrcLoc, +): ScrDiagnostic { + return { + code: "SC8002", + message: `user module '${file}' is marked to run in Node (${source === "cli" ? "--node-island" : "scriptc.nodeIslands.modules"}) and Node islands are off`, + loc, + hint: "allow Node islands (--node-islands=auto or explicit), or remove the marking", + }; +} + +/** SC8003 — a package marked "native" is outside the native subset. */ +export function nativePackageDiag(pkg: string, why: string, loc: SrcLoc): ScrDiagnostic { + return { + code: "SC8003", + message: `npm package '${pkg}' is marked native but is outside the native subset: ${why}`, + loc, + hint: `remove the "native" marking to let it run in a Node island, or replace the construct the reason names`, + }; +} + +/** SC8101–SC8105 — an R2 object-model construct in the program's own + * JavaScript (R2.1 constructor functions … R2.5 builtin patching). */ +export function userJsObjectModelDiag( + code: "SC8101" | "SC8102" | "SC8103" | "SC8104" | "SC8105", + construct: string, + loc: SrcLoc, +): ScrDiagnostic { + return { + code, + message: `${construct} needs a mutable JavaScript object model, which native code does not have`, + loc, + hint: "rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules", + }; +} + /* ── SC5xxx: native FFI ───────────────────────────────────────────────── */ /** SC5001 — the outbound native-FFI manifest is malformed or unreadable. */ @@ -773,6 +854,7 @@ export function nativeAddonDiag(specifier: string, loc: SrcLoc): ScrDiagnostic { loc, milestone: "later", hint: "expose the native operation as a plain C ABI function in an object or static archive, then bind a signature-only TypeScript declaration with --ffi; Node-API callbacks themselves require Node (https://scriptc.dev/ffi#replacing-a-node-api-addon)", + reason: "native-addon", }; } diff --git a/packages/compiler/src/diagnostics/envelope.ts b/packages/compiler/src/diagnostics/envelope.ts index b4de8db77..ad2e31507 100644 --- a/packages/compiler/src/diagnostics/envelope.ts +++ b/packages/compiler/src/diagnostics/envelope.ts @@ -148,10 +148,60 @@ export interface DiagnosticsEnvelope { /** coverage only: the WebAssembly modules the build can see, with their * size, validity, proposals and the sources that found them. */ wasmModules?: WasmModuleReport[]; + /** coverage only, when there is something to report: the packages and + * user modules that would run in a Node island (report-only). */ + nodeIslands?: NodeIslandsEnvelope; groups: DiagnosticGroup[]; diagnostics: LocatedDiagnostic[]; } +/** One reason a package is outside the native subset. */ +export interface NodeIslandReasonEnvelope { + class: string; + /** R1.1–R2.5, or null for gap and packaging reasons. */ + rule: string | null; + reason: string; + code: string | null; + message: string; + source: string; + at?: SourcePosition; +} + +/** `scriptc coverage --print=diagnostics`: the Node island decisions. In + * this version they are would-be decisions (mode "would-be"): the build + * does not change. */ +export interface NodeIslandsEnvelope { + mode: "would-be"; + policy: "auto" | "explicit" | "off"; + /** Gap islands first, then by class and name. */ + islands: { + package: string; + version: string | null; + path: string | null; + class: string; + reason: string; + diagnostic: string | null; + decision: string; + evaluation: string; + at?: SourcePosition; + reasons: NodeIslandReasonEnvelope[]; + carries: string[]; + importedFrom: SourcePosition[]; + }[]; + userModules: { file: string; decision: string }[]; + /** Every npm package that is not an island: native, inside an island's + * closure, or shared between native code and an island. */ + npmPackages: { + package: string; + version: string | null; + path: string | null; + status: string; + islands: string[]; + }[]; + violations: (SourcePosition & { code: string; message: string })[]; + unknownPackages: string[]; +} + /** The divergence band: compiles, but the program can behave differently * from Node. Warnings, never build failures. */ export function isDivergenceCode(code: string): boolean { @@ -166,6 +216,7 @@ export function categoryOf(diag: ScrDiagnostic): DiagnosticCategory { if (code === "SC0003") return "invalid-source"; if (code === "SC0002" || code === "SC0004") return "environment"; if (/^SC[35]\d{3}$/.test(code)) return "environment"; + if (code === "SC8004" || code === "SC8005" || code === "SC8012") return "environment"; if (/^SC9\d{3}$/.test(code)) return "internal"; return "unsupported"; } @@ -186,6 +237,8 @@ export function hintOf(diag: ScrDiagnostic): string { return "restate the value's type inside the compilable set (number, string, boolean, arrays, Maps, Sets, RegExp, functions, classes, records, unions of those, and 'unknown')"; if (/^SC2\d{3}$/.test(code)) return "restate the type inside the compilable set (https://scriptc.dev/limitations describes the boundary)"; + if (/^SC8\d{3}$/.test(code)) + return "see the Node island policy: npm code outside the native subset runs in Node, user code must be marked (scriptc coverage --explain-island=)"; if (/^SC9\d{3}$/.test(code)) return "this is a compiler bug — please report it with the program that triggers it"; return "see https://scriptc.dev/limitations"; @@ -281,7 +334,10 @@ export function locateDiagnostic( return { code: diag.code, category: categoryOf(diag), - severity: isDivergenceCode(diag.code) || isPerformanceCode(diag.code) ? "warning" : "error", + severity: + isDivergenceCode(diag.code) || isPerformanceCode(diag.code) || diag.code === "SC8004" + ? "warning" + : "error", scope, file: diag.loc.file, line: start.line, diff --git a/packages/compiler/src/diagnostics/render.ts b/packages/compiler/src/diagnostics/render.ts index e5a75c6bc..16fe3f0bf 100644 --- a/packages/compiler/src/diagnostics/render.ts +++ b/packages/compiler/src/diagnostics/render.ts @@ -102,14 +102,12 @@ export function renderDiagnostic( frame.push( c(DIM, ` ${" ".repeat(gutterWidth)} | `) + " ".repeat(caretCol) + - c(/^SC6\d{3}$/.test(diag.code) ? YELLOW : RED, "^" + "~".repeat(spanOnLine - 1)), + c(isWarningCode(diag.code) ? YELLOW : RED, "^" + "~".repeat(spanOnLine - 1)), ); emitLine(lineNum + 1); } - // The divergence band (SC6xxx) is the one warning severity: the program - // compiles, and the site can behave differently from Node. - const warning = /^SC6\d{3}$/.test(diag.code); + const warning = isWarningCode(diag.code); out.push( `${c(BOLD, `${diag.loc.file}:${lineNum}:${colNum}`)} - ${warning ? c(YELLOW, "warning") : c(RED, "error")} ${c(BOLD, diag.code)}: ${diag.message}`, ); @@ -154,6 +152,27 @@ export function renderDiagnostics( /** Divergence warnings after a successful build: the rendered sites plus a * one-line count, on stderr. */ +/** The warning severities: the divergence band (SC6xxx), where the program + * compiles and the site can behave differently from Node, and unknown + * settings in the project's scriptc configuration (SC8004), which builds do + * not use. */ +export function isWarningCode(code: string): boolean { + return /^SC6\d{3}$/.test(code) || code === "SC8004"; +} + +/** A build's SC8004 warnings: the unknown scriptc settings it ignored. */ +export function renderConfigWarnings( + diags: readonly ScrDiagnostic[], + sourceTextByFile: Map, + opts: RenderOptions = {}, +): string { + const n = diags.length; + return ( + renderDiagnostics([...diags], sourceTextByFile, opts) + + `\n\n${n} warning${n === 1 ? "" : "s"}: the build does not use ${n === 1 ? "this setting" : "these settings"}; scriptc coverage reports Node islands once they are valid.` + ); +} + export function renderWarnings( diags: readonly ScrDiagnostic[], sourceTextByFile: Map, diff --git a/packages/compiler/src/executable/prepare.ts b/packages/compiler/src/executable/prepare.ts index 1771f98f5..027bd6ca6 100644 --- a/packages/compiler/src/executable/prepare.ts +++ b/packages/compiler/src/executable/prepare.ts @@ -122,6 +122,10 @@ export function prepareExecutableModule( mod: lowered.module!, sourceTexts, stats: lowered.stats, - warnings: [...(lowered.divergences ?? []), ...(lowered.performance ?? [])], + warnings: [ + ...(fe.warnings ?? []), + ...(lowered.divergences ?? []), + ...(lowered.performance ?? []), + ], }; } diff --git a/packages/compiler/src/frontend/analysis.ts b/packages/compiler/src/frontend/analysis.ts index 776492eb1..848306b66 100644 --- a/packages/compiler/src/frontend/analysis.ts +++ b/packages/compiler/src/frontend/analysis.ts @@ -4,6 +4,10 @@ import type { AnalyzeOptions, AnalyzeResult } from "../compile-types.js"; import { loadFfiProfile, type FfiProfile } from "../ffi/ffi-manifest.js"; import { provenanceSources } from "./provenance-registry.js"; import type { FrontendFactory } from "./pipeline.js"; +import { readProjectConfig } from "../project-config.js"; +import { nodeIslandPolicy } from "../node-islands/policy.js"; +import { buildNodeIslandReport } from "../node-islands/report.js"; +import { hasNodeIslandFindings } from "../node-islands/summary.js"; /** Analysis without codegen: how much of the program compiles statically. * Unlike compile(), lowering diagnostics are data here, not failure. */ @@ -34,7 +38,9 @@ export function analyzeWithFrontend( } ffi = loaded.profile; } - const fe = createFrontend(entryPath, opts.npmStatic, opts.externalTypes); + const fe = createFrontend(entryPath, opts.npmStatic, opts.externalTypes, undefined, { + nodeIslands: true, + }); try { const emptyStats = { statementsTotal: 0, @@ -96,6 +102,23 @@ export function analyzeWithFrontend( ...(opts.wasm !== undefined && opts.wasm.length > 0 ? { wasmFiles: opts.wasm } : {}), }); const provenance = provenanceSources(); + // Node islands, report-only: which packages and modules would run in + // Node, from the detector's scan and the policy. Code generation does + // not depend on it. + const policy = nodeIslandPolicy(readProjectConfig(entryPath), opts.nodeIslands); + const islandReport = + fe.nodeIslandScan === undefined + ? null + : buildNodeIslandReport({ + entry: entryPath, + scan: fe.nodeIslandScan({ userJs: policy.strictUserJs }), + npm: fe.npmStatic, + diagnostics: [...lowered.diagnostics, ...(lowered.unreached?.diagnostics ?? [])], + fences: [...lowered.runtimeFences, ...(lowered.unreached?.runtimeFences ?? [])], + policy, + }); + const nodeIslands = + islandReport !== null && hasNodeIslandFindings(islandReport) ? islandReport : null; return { coverage: { file: entryPath, @@ -103,7 +126,9 @@ export function analyzeWithFrontend( // The import fences report as blockers alongside the statement-level // ones (use sites of the fenced bindings emit matching diagnostics, // which the report groups with these). - diagnostics: [...preflight, ...lowered.diagnostics], + // --strict-user-js: R2 constructs in user JavaScript are blockers + // (SC8101–SC8105), as scope B's builds will make them errors. + diagnostics: [...preflight, ...lowered.diagnostics, ...(nodeIslands?.userJs ?? [])], ...(lowered.runtimeFences.length > 0 ? { runtimeFences: lowered.runtimeFences } : {}), ...(lowered.divergences !== undefined ? { divergences: lowered.divergences } : {}), ...(lowered.performance !== undefined ? { performance: lowered.performance } : {}), @@ -116,6 +141,7 @@ export function analyzeWithFrontend( ...(lowered.provenanceElided ? { provenanceElided: lowered.provenanceElided } : {}), ...(lowered.tiers !== undefined ? { tiers: lowered.tiers } : {}), ...(lowered.wasmModules !== undefined ? { wasmModules: lowered.wasmModules } : {}), + ...(nodeIslands !== null ? { nodeIslands } : {}), preflightFailed: false, }, sourceTexts: fe.sourceTexts(), diff --git a/packages/compiler/src/frontend/fork-target.test.ts b/packages/compiler/src/frontend/fork-target.test.ts index 5e56cea5d..ffe01ee47 100644 --- a/packages/compiler/src/frontend/fork-target.test.ts +++ b/packages/compiler/src/frontend/fork-target.test.ts @@ -65,3 +65,56 @@ test("fork discovery batches only candidate bindings and preserves aliases and s rmSync(directory, { recursive: true, force: true }); } }); + +/** forkTargetPaths over the entry of a program made of `files`, and + * whether it asked the checker for any binding. */ +function discover(files: Record): { targets: string[]; queried: boolean } { + const directory = mkdtempSync(join(tmpdir(), "scriptc-fork-gate-")); + for (const [name, text] of Object.entries(files)) writeFileSync(join(directory, name), text); + const entry = join(directory, "main.ts"); + const host = new Ts7Host((options) => new Ts7Api(options), { cwd: directory }); + const program = host.createProgram([entry, fallbackDtsPath()], { + noLib: true, + types: [], + module: ModuleKind.ESNext, + moduleResolution: ModuleResolutionKind.Bundler, + }); + const batch = vi.spyOn(program.getTypeChecker(), "prefetchSymbolNodesExact"); + try { + const targets = forkTargetPaths(program, [program.getSourceFile(entry)!]).map((path) => + path.slice(directory.length + 1), + ); + return { targets, queried: batch.mock.calls.length > 0 }; + } finally { + batch.mockRestore(); + program.dispose(); + host.close(); + rmSync(directory, { recursive: true, force: true }); + } +} + +test("fork discovery asks the checker nothing when no file names node:child_process", () => { + expect( + discover({ + "main.ts": + 'function fork(url: URL) { return url; }\nfork(new URL("./child.ts", import.meta.url));\n', + }), + ).toEqual({ targets: [], queried: false }); +}); + +test("fork discovery reads a module specifier spelled with escapes", () => { + expect( + discover({ + "main.ts": + 'import { fork } from "node:child\\u005fprocess";\nfork(new URL("./child.ts", import.meta.url));\n', + }), + ).toEqual({ targets: ["child.ts"], queried: true }); +}); + +test("fork discovery reads a package imports entry that maps node:child_process", () => { + const result = discover({ + "package.json": JSON.stringify({ type: "module", imports: { "#cp": "node:child_process" } }), + "main.ts": 'import { fork } from "#cp";\nfork(new URL("./child.ts", import.meta.url));\n', + }); + expect(result.queried).toBe(true); +}); diff --git a/packages/compiler/src/frontend/fork-target.ts b/packages/compiler/src/frontend/fork-target.ts index 38c8f5f07..93fc7c244 100644 --- a/packages/compiler/src/frontend/fork-target.ts +++ b/packages/compiler/src/frontend/fork-target.ts @@ -1,7 +1,14 @@ import { resolve } from "node:path"; import { fileURLToPath, pathToFileURL } from "node:url"; import * as ts from "./ts7/adapter.js"; -import { fallbackDtsPath, isNodeTypesPath, tsgoPath } from "./dts-paths.js"; +import { + ambientDtsPath, + fallbackDtsPath, + isNodeTypesPath, + overridesDtsPath, + tsgoPath, +} from "./dts-paths.js"; +import { nearestPackageImports } from "./resolve.js"; import { canonicalBuiltinModule } from "./builtin-modules.js"; import { moduleSourceCandidates } from "./module-source-candidates.js"; @@ -292,9 +299,77 @@ export function forkCallModulePath(program: ts.Program, call: ts.CallExpression) return staticForkModulePath(program, call.arguments.nodes[0]); } +/** The ways a string or template literal can spell one character of a + * module name: the character, \xHH, \uHHHH, \u{H…}, a legacy octal escape, + * or the character after a backslash where that is not another escape. */ +function spelledCharacter(ch: string): string { + const code = ch.charCodeAt(0); + const hex = code.toString(16); + const forms = [ + ch, + "\\\\x" + hex.padStart(2, "0"), + "\\\\u" + hex.padStart(4, "0"), + "\\\\u\\{0*" + hex + "\\}", + "\\\\" + code.toString(8), + ]; + if (!"bfnrtvux0123456789".includes(ch)) forms.push("\\\\" + ch); + return "(?:" + forms.join("|") + ")"; +} + +/** "child_process" with escapes and line continuations in any of its + * characters (case-insensitive, a superset). */ +const SPELLED_CHILD_PROCESS = new RegExp( + [..."child_process"].map(spelledCharacter).join("(?:\\\\(?:\\r\\n|[\\n\\r\\u2028\\u2029]))*"), + "i", +); + +/** Whether a call in the program can reach node:child_process's fork. A + * fork binding is an import or alias whose chain names the module in a + * module specifier (a string), or a '#' specifier the nearest package.json + * "imports" field maps. Node's type declarations and scriptc's own declare + * the module, and alias it only as node:child_process, so they are not + * read; any other file that names the module in a string holds + * "child_process" in its text, or an escape that spells it. */ +function namesChildProcess(program: ts.Program): boolean { + const known = program.analysis.namesChildProcess; + if (known !== null) return known; + const own = new Set([ambientDtsPath(), overridesDtsPath(), fallbackDtsPath()]); + // Implementation files are already fetched; any other file is read as + // the host serves it, without fetching its syntax tree. + const texts = new Map(); + for (const sourceFile of program.getImplementationSourceFiles()) + texts.set(tsgoPath(sourceFile.fileName), sourceFile.text); + const scopes = new Set(); + let names = false; + for (const fileName of program.getSourceFileNames()) { + const path = tsgoPath(fileName); + if (isNodeTypesPath(fileName) || own.has(path)) continue; + const text = texts.get(path) ?? program.getSourceText(fileName) ?? ""; + if ( + text.includes("child_process") || + (text.includes("\\") && SPELLED_CHILD_PROCESS.test(text)) + ) { + names = true; + break; + } + const imports = nearestPackageImports(fileName); + if (imports === undefined || scopes.has(imports)) continue; + scopes.add(imports); + if (JSON.stringify(imports).includes("child_process")) { + names = true; + break; + } + } + program.analysis.namesChildProcess = names; + return names; +} + /** Source-order static fork targets in the supplied files, deduplicated by * resolved path. */ export function forkTargetPaths(program: ts.Program, files: readonly ts.SourceFile[]): string[] { + // Without a binding of node:child_process no call is a fork, and the + // checker queries below are skipped. + if (!namesChildProcess(program)) return []; const targets: string[] = []; const seen = new Set(); for (const sourceFile of files) { diff --git a/packages/compiler/src/frontend/lowering/array-values.ts b/packages/compiler/src/frontend/lowering/array-values.ts index f191ad942..6e4a45f86 100644 --- a/packages/compiler/src/frontend/lowering/array-values.ts +++ b/packages/compiler/src/frontend/lowering/array-values.ts @@ -269,6 +269,140 @@ function readsMutableLocal(lowerer: Lowerer, e: IrExpr): boolean { }); } +/** A number, string or boolean element type. Arrays of it hold a present + * undefined in the element's state, so `(T | undefined)[]` stores T + * elements (the type mapper) and a T[] seen as one stays the same array. */ +export function primitiveElement(elem: IrType): boolean { + return elem.kind === "f64" || elem.kind === "string" || elem.kind === "bool"; +} + +/** `value` is the element type with undefined, stored into an array of a + * primitive element type: a present undefined or the element. */ +export function optionalElementValue(lowerer: Lowerer, value: IrExpr, elem: IrType): boolean { + if (!primitiveElement(elem)) return false; + if (value.type.kind === "undefinedT") return true; + return ( + value.type.kind === "union" && + lowerer.armTag(value.type.unionId, UNDEFINED_T) >= 0 && + typeEquals(lowerer.stripUndefinedArm(value.type), elem) + ); +} + +/** A value of a primitive element type that holds a slot until the value + * stored there replaces it (insertedValues), or stands for a slot that is + * not read. */ +export function elementPlaceholder(elem: IrType, loc: SrcLoc): IrExpr { + if (elem.kind === "f64") return { kind: "numLit", value: 0, type: F64, loc }; + if (elem.kind === "bool") return { kind: "boolLit", value: false, type: BOOL, loc }; + return { kind: "strLit", value: "", type: STRING, loc }; +} + +/** Values inserted into an array (push, unshift, splice, a literal), in + * source order. A value that can be undefined (optionalElementValue) is + * kept in a temporary: the insertion takes a placeholder for it, and + * `fill` then stores the value at the placeholder's index. */ +export function insertedValues( + lowerer: Lowerer, + values: readonly IrExpr[], + elem: IrType, + coerce: (value: IrExpr, index: number) => IrExpr, + loc: SrcLoc, +): { + stmts: IrStmt[]; + args: IrExpr[]; + optional: boolean; + fill: (arr: IrExpr, first: IrExpr) => IrStmt[]; +} { + if (!values.some((value) => optionalElementValue(lowerer, value, elem))) + return { stmts: [], args: values.map(coerce), optional: false, fill: () => [] }; + const stmts: IrStmt[] = []; + const args: IrExpr[] = []; + const held: { offset: number; value: IrExpr }[] = []; + values.forEach((value, offset) => { + // Every value is evaluated in order before the insertion. + if (value.type.kind === "undefinedT") { + if (value.kind !== "unitLit") stmts.push({ kind: "exprStmt", expr: value, loc }); + args.push(elementPlaceholder(elem, loc)); + held.push({ offset, value: { kind: "unitLit", unit: "undefined", type: UNDEFINED_T, loc } }); + return; + } + const temp = lowerer.declareHiddenLocal("%inserted", value.type); + stmts.push({ kind: "varDecl", localId: temp.id, init: value, loc }); + const stable = varRef(temp.id, temp.type, loc); + if (optionalElementValue(lowerer, value, elem)) { + args.push(elementPlaceholder(elem, loc)); + held.push({ offset, value: stable }); + } else { + args.push(coerce(stable, offset)); + } + }); + const fill = (arr: IrExpr, first: IrExpr): IrStmt[] => + held.map(({ offset, value }) => + arrayValueStore( + lowerer, + arr, + offset === 0 + ? first + : { + kind: "bin", + op: "+", + left: first, + right: { kind: "numLit", value: offset, type: F64, loc }, + type: F64, + loc, + }, + value, + elem, + loc, + ), + ); + return { stmts, args, optional: true, fill }; +} + +/** Statements appending `value` to `arr` inside a lifted helper. A value + * that can be undefined in a primitive array (optionalElementValue) is held + * in the helper's local `slot` (which the caller declares with the value's + * type) and stored as a present undefined or the element; any other value + * converts to the element type. */ +export function appendElement( + lowerer: Lowerer, + arr: IrExpr, + value: IrExpr, + elem: IrType, + slot: string, + loc: SrcLoc, +): IrStmt[] { + if (optionalElementValue(lowerer, value, elem) && value.type.kind !== "undefinedT") { + const held = varRef(slot, value.type, loc); + const length: IrExpr = { + kind: "arrIntrinsic", + method: "length", + receiver: arr, + args: [], + type: F64, + loc, + }; + return [ + { kind: "varDecl", localId: slot, init: value, loc }, + arrayValueStore(lowerer, arr, length, held, elem, loc), + ]; + } + return [ + { + kind: "exprStmt", + expr: { + kind: "arrIntrinsic", + method: "push", + receiver: arr, + args: [lowerer.coerceToExpected(value, elem)], + type: F64, + loc, + }, + loc, + }, + ]; +} + /** Store a stabilized value without changing the array's element ABI. */ export function arrayValueStore( lowerer: Lowerer, @@ -279,6 +413,12 @@ export function arrayValueStore( loc: SrcLoc, ): IrStmt { if (typeEquals(value.type, elem)) return { kind: "arraySet", arr, index, value, loc }; + // An undefined value of a `(T | undefined)[]` (primitiveElement). + if (value.type.kind === "undefinedT" && primitiveElement(elem)) { + const write: IrStmt = { kind: "arraySetUndefined", arr, index, loc }; + if (value.kind === "unitLit") return write; + return { kind: "block", body: [{ kind: "exprStmt", expr: value, loc }, write], loc }; + } if (value.type.kind === "union" && lowerer.armTag(value.type.unionId, UNDEFINED_T) >= 0) { // The tag test and the VALUE arm extraction both consume the value. Keep // an arbitrary expression (especially an array read or call) single diff --git a/packages/compiler/src/frontend/lowering/builtins/module-resolution.ts b/packages/compiler/src/frontend/lowering/builtins/module-resolution.ts index 107e1f793..48e7783a3 100644 --- a/packages/compiler/src/frontend/lowering/builtins/module-resolution.ts +++ b/packages/compiler/src/frontend/lowering/builtins/module-resolution.ts @@ -237,7 +237,8 @@ export function lowerCreateRequireCall( const surface = "createRequire's require with a computed specifier or this argument shape"; const hint = 'the compiled module graph is fixed at build time — the one lowered form is require(""); native addons are not loaded'; - if (!isJsSourceFile(ts.getSourceFileOfNode(call))) lowerer.noLowering(surface, call, hint); + if (!isJsSourceFile(ts.getSourceFileOfNode(call))) + lowerer.noLowering(surface, call, hint, undefined, "dynamic-require"); return deferredCreateRequireThrow(lowerer, call, surface, hint, loc); } const spec = cr.spec; diff --git a/packages/compiler/src/frontend/lowering/builtins/promises.ts b/packages/compiler/src/frontend/lowering/builtins/promises.ts index e9d4322ad..c3b2cd479 100644 --- a/packages/compiler/src/frontend/lowering/builtins/promises.ts +++ b/packages/compiler/src/frontend/lowering/builtins/promises.ts @@ -3,7 +3,8 @@ import { checkedPromiseAll, thenReader } from "../checked-promise-all.js"; import { InternalCompilerError } from "../../../errors.js"; import * as ts from "../../ts7/adapter.js"; import type { Lowerer } from "../lowerer.js"; -import { varRef } from "../../../ir/build.js"; +import { countedFor, varRef } from "../../../ir/build.js"; +import { arrayValueStore, optionalElementValue, primitiveElement } from "../array-values.js"; import { maybePromiseResolve, maybePromiseUnionOf } from "../maybe-promise.js"; import { isJsSourceFile, locOf } from "../../program.js"; import { @@ -14,6 +15,7 @@ import { type IrFunction, type IrStmt, type IrType, + type SrcLoc, UNDEFINED_T, VOID, arrayOf, @@ -435,6 +437,28 @@ export function lowerPromiseStaticCall( inner.kind === "void" ? { kind: "promise", inner: VOID } : lowerer.mapTypeOf(lowerer.typeOf(call)); + // Promise[] combines into a `(T | undefined)[]`, which + // stores T elements (primitiveElement): collect the values, then copy + // them in with their present undefined values. + if ( + resultT?.kind === "promise" && + resultT.inner.kind === "array" && + primitiveElement(resultT.inner.elem) && + optionalElementValue( + lowerer, + { kind: "unitLit", unit: "undefined", type: inner, loc }, + resultT.inner.elem, + ) + ) { + const joined = optionalPromiseAll( + lowerer, + entries, + inner, + resultT as IrType & { kind: "promise" }, + loc, + ); + if (joined) return joined; + } if ( resultT?.kind !== "promise" || (inner.kind !== "void" && @@ -954,3 +978,139 @@ export function lowerAwaitedUniformPromiseAll( loc, }; } + +/** `Promise.all(ps)` over `Promise[]` for a number, string or + * boolean T, whose result is a `(T | undefined)[]` (stored as T elements). + * The combinator joins the entries (promise.allTuple), and its builder + * reads each fulfilled entry into the result with its present undefined, + * inside the combinator's settlement, so the result settles on Node's + * turn. Entries of another type keep the general combinator. */ +function optionalPromiseAll( + lowerer: Lowerer, + entries: IrExpr, + inner: IrType, + resultT: IrType & { kind: "promise" }, + loc: SrcLoc, +): IrExpr | null { + const entriesT = entries.type; + if (entriesT.kind !== "array" || entriesT.elem.kind !== "promise") return null; + if (!typeEquals(entriesT.elem.inner, inner)) return null; + const outT = resultT.inner as IrType & { kind: "array" }; + const voidPromise: IrType & { kind: "promise" } = { kind: "promise", inner: VOID }; + const joinedT = arrayOf(voidPromise); + const key = `promise.allOptional:${typeKey(entriesT)}:${typeKey(outT)}`; + let helper = lowerer.arrHofHelpers.get(key); + if (!helper) { + helper = keyedHelperName(lowerer, "%promise.allOptional", key); + lowerer.arrHofHelpers.set(key, helper); + const builder = keyedHelperName(lowerer, "%promise.allOptionalValues", key); + const length = (arr: IrExpr): IrExpr => ({ + kind: "arrIntrinsic", + method: "length", + receiver: arr, + args: [], + type: F64, + loc, + }); + const joined = varRef("joined.0", joinedT, loc); + const out = varRef("out.0", outT, loc); + lowerer.liftedFns.push({ + name: builder, + params: [{ localId: "joined.0", name: "joined", type: joinedT }], + returnType: outT, + locals: [ + { id: "joined.0", name: "joined", type: joinedT, mutable: false }, + { id: "out.0", name: "out", type: outT, mutable: false }, + { id: "i.0", name: "i", type: F64, mutable: true }, + { id: "v.0", name: "v", type: inner, mutable: false }, + ], + body: [ + { + kind: "varDecl", + localId: "out.0", + init: { kind: "arrayLit", elems: [], type: outT, loc }, + loc, + }, + countedFor(loc, length(joined), (index) => [ + { + kind: "varDecl", + localId: "v.0", + init: { + kind: "libCall", + fn: "promise.fulfilledValue", + args: [{ kind: "arrayGet", arr: joined, index, type: voidPromise, loc }], + type: inner, + loc, + }, + loc, + }, + arrayValueStore(lowerer, out, index, varRef("v.0", inner, loc), outT.elem, loc), + ]), + { kind: "return", value: out, loc }, + ], + loc, + }); + const ps = varRef("ps.0", entriesT, loc); + lowerer.liftedFns.push({ + name: helper, + params: [{ localId: "ps.0", name: "ps", type: entriesT }], + returnType: resultT, + locals: [ + { id: "ps.0", name: "ps", type: entriesT, mutable: false }, + { id: "joined.0", name: "joined", type: joinedT, mutable: false }, + { id: "i.0", name: "i", type: F64, mutable: true }, + ], + body: [ + { + kind: "varDecl", + localId: "joined.0", + init: { kind: "arrayLit", elems: [], type: joinedT, loc }, + loc, + }, + countedFor(loc, length(ps), (index) => [ + { + kind: "exprStmt", + expr: { + kind: "arrIntrinsic", + method: "push", + receiver: joined, + args: [ + { + kind: "promiseVoidWiden", + value: { kind: "arrayGet", arr: ps, index, type: entriesT.elem, loc }, + type: voidPromise, + loc, + }, + ], + type: F64, + loc, + }, + loc, + }, + ]), + { + kind: "return", + value: { + kind: "libCall", + fn: "promise.allTuple", + args: [ + joined, + { + kind: "closure", + fnName: builder, + captures: [], + type: funcOf([joinedT], outT), + loc, + }, + ], + type: resultT, + loc, + }, + loc, + }, + ], + loc, + }); + } + return { kind: "call", callee: helper, args: [entries], type: resultT, loc }; +} diff --git a/packages/compiler/src/frontend/lowering/call-arguments.ts b/packages/compiler/src/frontend/lowering/call-arguments.ts index 7dc302365..797bb1775 100644 --- a/packages/compiler/src/frontend/lowering/call-arguments.ts +++ b/packages/compiler/src/frontend/lowering/call-arguments.ts @@ -28,6 +28,7 @@ import { checkedIterableSpread } from "./checked-iterable-spread.js"; import { type ParamShape } from "./call-signatures.js"; import { arrayValueRead, arrayValueType } from "./array-values.js"; import { buildArrayConversion } from "./coercions/builders.js"; +import { lowerArraySpreadItems, lowerArrayValueItems } from "./containers/array-construction.js"; import { restTupleElementTypes, typeKey } from "../type-mapper.js"; function fixedTupleSpreadInfo( @@ -430,6 +431,51 @@ export function completeArgs( } } if (restType.kind !== "array") lowerer.unsupported("SC1090", blame, "this call form"); + // A `(T | undefined)[]` rest (stored as T elements) packs undefined + // arguments as present undefined elements. + const restNodes = sources.slice(restAt); + // Plain arguments and spreads, also together with spread tuple fields + // (pre-lowered): each item, in argument order. + if ( + restType.optionalElements === true && + (!restNodes.some(isIr) || restNodes.some((a) => !isIr(a) && ts.isSpreadElement(a))) + ) { + const items: (ts.Expression | IrExpr)[] = []; + for (const a of restNodes) { + if (isIr(a)) items.push(a.ir); + else items.push(a); + } + out.push(lowerArraySpreadItems(lowerer, items, restType.elem, restType, loc)); + return out; + } + // Tuple-spread values (pre-lowered) and plain arguments pack the same + // way. Each value evaluates once, in argument order. + if ( + restType.optionalElements === true && + !restNodes.some((a) => !isIr(a) && ts.isSpreadElement(a)) + ) { + const stmts: IrStmt[] = []; + const values = restNodes.map((a): IrExpr => { + // A tuple field is read where its spread appears: a later + // argument may write the tuple. + let value: IrExpr; + if (isIr(a)) { + value = a.ir; + if (value.kind === "seqExpr") { + stmts.push(...value.stmts); + value = value.result; + } + } else value = lowerer.lowerExpr(a as ts.Expression); + const saved = lowerer.declareHiddenLocal("%callArg", value.type); + stmts.push({ kind: "varDecl", localId: saved.id, init: value, loc: value.loc }); + return { kind: "varRef", localId: saved.id, type: value.type, loc: value.loc }; + }); + const items = lowerArrayValueItems(lowerer, values, restType.elem, restType, loc); + out.push( + stmts.length === 0 ? items : { kind: "seqExpr", stmts, result: items, type: restType, loc }, + ); + return out; + } // The rest pack is a fresh array per call; surplus SPREADS copy // their elements in (JS-exact — `f(a, ...xs, b, ...ys)` packs in // order, sources untouched). diff --git a/packages/compiler/src/frontend/lowering/call-signatures.ts b/packages/compiler/src/frontend/lowering/call-signatures.ts index c9fd954b5..c7fb8d36e 100644 --- a/packages/compiler/src/frontend/lowering/call-signatures.ts +++ b/packages/compiler/src/frontend/lowering/call-signatures.ts @@ -946,6 +946,8 @@ function appendArgumentsParameter( "SC1090", node, "parameterized 'arguments' outside an ES module (sloppy-mode parameter aliases)", + undefined, + "sloppy-arguments", ); } } diff --git a/packages/compiler/src/frontend/lowering/cjs-inline-require.ts b/packages/compiler/src/frontend/lowering/cjs-inline-require.ts index 10549a030..d8893aa72 100644 --- a/packages/compiler/src/frontend/lowering/cjs-inline-require.ts +++ b/packages/compiler/src/frontend/lowering/cjs-inline-require.ts @@ -532,6 +532,8 @@ export function lowerUncompiledRequireCall( "SC1090", call, 'require() with a computed specifier (the compiled module graph is fixed at build time: require("") lowers)', + undefined, + "dynamic-require", ); } if (canonicalBuiltinModule(spec) !== null) return null; diff --git a/packages/compiler/src/frontend/lowering/coercions/structural.ts b/packages/compiler/src/frontend/lowering/coercions/structural.ts index 4321a5ead..93ae1c231 100644 --- a/packages/compiler/src/frontend/lowering/coercions/structural.ts +++ b/packages/compiler/src/frontend/lowering/coercions/structural.ts @@ -1,12 +1,13 @@ import { keyedHelperName } from "../stable-names.js"; import { constructedValue } from "../constructor-returns.js"; -import { dynUndefinedExpr, varRef } from "../../../ir/build.js"; +import { countedFor, dynUndefinedExpr, varRef } from "../../../ir/build.js"; import type { FieldLift } from "./structural-plans.js"; import { buildArrayConversion } from "./builders.js"; +import { arrayValueRead, arrayValueStore, primitiveElement } from "../array-values.js"; import type { WidthLift } from "../width-lift.js"; import { InternalCompilerError } from "../../../errors.js"; import type { IrExpr, IrFunction, IrRecordShape, IrStmt, IrType, SrcLoc } from "../../../ir/ir.js"; -import { BOOL, DYN, F64, STRING, UNDEFINED_T } from "../../../ir/ir.js"; +import { BOOL, DYN, F64, STRING, UNDEFINED_T, typeEquals } from "../../../ir/ir.js"; import { typeKey } from "../../type-mapper.js"; import { findStaticOn, findGenericStaticOn } from "../lower-classes.js"; import { lowerRecordOvfCaptureHelper } from "../containers/indexed-objects.js"; @@ -54,6 +55,9 @@ export function widthCoerce(lowerer: Lowerer, expr: IrExpr, expected: IrType): I return lowerer.classStaticsProjection(expr.type.className, expected.shapeId, expr.loc); } if (expected.kind === "array" && expr.type.kind === "array") { + const optional = optionalArrayHelper(lowerer, expr.type, expected, expr.loc); + if (optional) + return { kind: "call", callee: optional, args: [expr], type: expected, loc: expr.loc }; const helper = lowerer.arrayWidthHelper(expr.type, expected, expr.loc); if (helper) return { kind: "call", callee: helper, args: [expr], type: expected, loc: expr.loc }; @@ -518,6 +522,69 @@ export function emptyArrayLiftHelper( return name; } +/** Copy an array of `T | undefined` unions (a collection's values, an + * iterator drain) into a `(T | undefined)[]` of a number, string or + * boolean T, which stores T elements: undefined values become present + * undefined elements. Null for other element types. */ +function optionalArrayHelper( + lowerer: Lowerer, + fromT: IrType & { kind: "array" }, + toT: IrType & { kind: "array" }, + loc: SrcLoc, +): string | null { + const from = fromT.elem; + const to = toT.elem; + if ( + !primitiveElement(to) || + from.kind !== "union" || + lowerer.armTag(from.unionId, UNDEFINED_T) < 0 || + !typeEquals(lowerer.stripUndefinedArm(from), to) + ) + return null; + const key = `arrOptional:${typeKey(from)}:${typeKey(to)}`; + const existing = lowerer.valueHelpers.get(key); + if (existing) return existing; + const name = keyedHelperName(lowerer, "%arr.width", key); + lowerer.valueHelpers.set(key, name); + const input = varRef("a.0", fromT, loc); + const out = varRef("out.0", toT, loc); + lowerer.liftedFns.push({ + name, + params: [{ localId: "a.0", name: "a", type: fromT }], + returnType: toT, + locals: [ + { id: "a.0", name: "a", type: fromT, mutable: true }, + { id: "out.0", name: "out", type: toT, mutable: false }, + { id: "i.0", name: "i", type: F64, mutable: true }, + { id: "v.0", name: "v", type: from, mutable: false }, + ], + body: [ + { + kind: "varDecl", + localId: "out.0", + init: { kind: "arrayLit", elems: [], type: toT, loc }, + loc, + }, + countedFor( + loc, + { kind: "arrIntrinsic", method: "length", receiver: input, args: [], type: F64, loc }, + (index) => [ + { + kind: "varDecl", + localId: "v.0", + init: arrayValueRead(lowerer, input, index, from, loc), + loc, + }, + arrayValueStore(lowerer, out, index, varRef("v.0", from, loc), to, loc), + ], + ), + { kind: "return", value: out, loc }, + ], + loc, + }); + return name; +} + /** Copy an array through its validated element conversion. Intern before * building the body so recursive element conversions can reuse this helper. */ export function arrayWidthHelper( @@ -542,14 +609,37 @@ export function arrayWidthHelper( name, arrT, { kind: "arrayLit", elems: [], type: outT, loc }, - (element, _index, result) => ({ - kind: "arrIntrinsic", - method: "push", - receiver: result, - args: [lowerer.applyWidthLift(elemLift, element, toElem, loc)], - type: F64, - loc, - }), + (element, index, result) => { + let value = lowerer.applyWidthLift(elemLift, element, toElem, loc); + // A number, string or boolean array can hold present undefined + // elements (`(T | undefined)[]` stores T): they, and holes, copy + // as the target's undefined. + const missing = primitiveElement(fromElem) ? lowerer.wrappedUndefined(toElem, loc) : null; + if (missing !== null) + value = { + kind: "ternary", + cond: { + kind: "bin", + op: "===", + left: { kind: "arrayState", arr: varRef("a.0", arrT, loc), index, type: F64, loc }, + right: { kind: "numLit", value: 1, type: F64, loc }, + type: BOOL, + loc, + }, + then: value, + else_: missing, + type: toElem, + loc, + }; + return { + kind: "arrIntrinsic", + method: "push", + receiver: result, + args: [value], + type: F64, + loc, + }; + }, loc, ), ); diff --git a/packages/compiler/src/frontend/lowering/containers/array-callbacks.ts b/packages/compiler/src/frontend/lowering/containers/array-callbacks.ts index edf65ab2b..46459fadb 100644 --- a/packages/compiler/src/frontend/lowering/containers/array-callbacks.ts +++ b/packages/compiler/src/frontend/lowering/containers/array-callbacks.ts @@ -42,6 +42,7 @@ import { arrayValueStore, arrayValueType, currentArrayIndexPresent, + primitiveElement, } from "../array-values.js"; import { typeKey } from "../../type-mapper.js"; import { @@ -827,15 +828,16 @@ function buildArrayHofFn( ); returnType = outT; body = [ + readLen, { kind: "varDecl", localId: "out.0", init: { kind: "arrayLit", elems: [], type: outT, loc }, loc, }, - readLen, // map's result has the receiver's length, holes where the receiver - // has them. Storage for it is reserved first and the length is set + // has them. Storage for it is reserved first (with the result's + // construction, which directly precedes it) and the length is set // after the loop, so a result without holes is filled by appends and // gets no state bytes. ...(method === "map" @@ -1689,6 +1691,8 @@ function flatMapUnionPlan( } const converts = (t: IrType): boolean => { if (typeEquals(t, outElem)) return true; + // A `(T | undefined)[]` result stores T elements (primitiveElement). + if (t.kind === "undefinedT" && primitiveElement(outElem)) return true; if (outElem.kind !== "union") return false; return lowerer.armTag(outElem.unionId, t) >= 0; }; @@ -1754,24 +1758,21 @@ function flatMapUnionHelper( }; if (plan.arms[tag] === "empty") return []; if (plan.arms[tag] === "value") { + // A unit arm's value is the unit itself, which has no narrowed + // representation. + const value: IrExpr = isUnitType(arm) + ? { kind: "unitLit", unit: arm.kind === "nullT" ? "null" : "undefined", type: arm, loc } + : narrowed; return [ arrayValueStore( lowerer, outRef(), outLength(), - lowerer.coerceToExpected( - // A unit arm's value is the unit itself, which has no - // narrowed representation. - isUnitType(arm) - ? { - kind: "unitLit", - unit: arm.kind === "nullT" ? "null" : "undefined", - type: arm, - loc, - } - : narrowed, - plan.outElem, - ), + // An undefined value is a present undefined element of a + // primitive array (arrayValueStore). + arm.kind === "undefinedT" && primitiveElement(plan.outElem) + ? value + : lowerer.coerceToExpected(value, plan.outElem), plan.outElem, loc, ), @@ -2347,6 +2348,43 @@ function reduceHelper( return name; } +/** The comparator of a sort over a `(T | undefined)[]`, which stores T + * elements. The comparator only receives present elements (undefined + * elements sort last without a call), so the unannotated parameters of an + * inline comparator take the element type, and the runtime calls it + * without an adapter. */ +function lowerOptionalElementComparator( + lowerer: Lowerer, + argNode: ts.Expression, + comparator: ts.Expression, + elem: IrType, + arrT: IrType & { kind: "array" }, +): IrExpr { + if ( + arrT.optionalElements !== true || + !(ts.isArrowFunction(comparator) || ts.isFunctionExpression(comparator)) || + isJsSourceFile(ts.getSourceFileOfNode(comparator)) + ) + return lowerer.lowerExpr(argNode); + const rebound: { symbol: ts.Symbol; previous: IrType | undefined }[] = []; + for (const param of comparator.parameters.nodes.slice(0, 2)) { + if (param.type || param.initializer || param.dotDotDotToken || !ts.isIdentifier(param.name)) + continue; + const symbol = lowerer.checker.getSymbolAtLocation(param.name); + if (!symbol) continue; + rebound.push({ symbol, previous: lowerer.runtimeOptionalBindingTypes.get(symbol) }); + lowerer.runtimeOptionalBindingTypes.set(symbol, elem); + } + try { + return lowerer.lowerExpr(argNode); + } finally { + for (const { symbol, previous } of rebound) { + if (previous === undefined) lowerer.runtimeOptionalBindingTypes.delete(symbol); + else lowerer.runtimeOptionalBindingTypes.set(symbol, previous); + } + } +} + /** `a.sort(cmp)` / `a.toSorted(cmp)`, desugared to an interned synthetic * function like the other array HOFs. sort mutates and returns the receiver; * toSorted takes its shallow snapshot INSIDE the helper, after the receiver @@ -2435,7 +2473,8 @@ export function lowerArraySortCall( loc, }; } - let fnArg = undefinedArg ?? lowerer.lowerExpr(argNode); + let fnArg = + undefinedArg ?? lowerOptionalElementComparator(lowerer, argNode, unwrappedArg, elem, arrT); // Reusable JS comparators often accept checked values. Adapt the array's // element ABI just as other array callbacks do before sorting. if ( diff --git a/packages/compiler/src/frontend/lowering/containers/array-construction.ts b/packages/compiler/src/frontend/lowering/containers/array-construction.ts index 1ca51f526..5029abc36 100644 --- a/packages/compiler/src/frontend/lowering/containers/array-construction.ts +++ b/packages/compiler/src/frontend/lowering/containers/array-construction.ts @@ -4,6 +4,7 @@ import { generatorDrain } from "../iterator-adapters.js"; import { identityPreservingWidening } from "../coercions/identity.js"; import { liftedFreshSpread } from "../coercions/fresh-spread.js"; import { checkedIterableSpread } from "../checked-iterable-spread.js"; +import { AstNode } from "../../ts7/ast-node.js"; import { InternalCompilerError } from "../../../errors.js"; import { dynUndefinedExpr, @@ -27,7 +28,9 @@ import { type IrType, STRING, type SrcLoc, + UNDEFINED_T, arrayOf, + isUnitType, canConvertToDyn, funcOf, isRefCounted, @@ -35,7 +38,13 @@ import { typeEquals, } from "../../../ir/ir.js"; import { isJsSourceFile, locOf } from "../../program.js"; -import { arrayValueRead, arrayValueStore, arrayValueType } from "../array-values.js"; +import { + arrayValueRead, + arrayValueStore, + arrayValueType, + optionalElementValue, + primitiveElement, +} from "../array-values.js"; import { typeKey } from "../../type-mapper.js"; import { newFnCtx } from "../lowerer.js"; import { iteratorCanStep, iteratorValue } from "../iterator-consumption.js"; @@ -51,6 +60,34 @@ import { } from "./callback-arguments.js"; import { classGeneratorIterable } from "../class-iterables.js"; +/** A value whose type admits only null and undefined, stored into an array + * that keeps undefined elements: the checker admits it there only when its + * type is `undefined` (a tuple element typed `undefined` maps to such a + * union), so it is evaluated and stored as undefined. */ +function undefinedForNullish( + lowerer: Lowerer, + value: IrExpr, + arrType: IrType & { kind: "array" }, +): IrExpr { + if (arrType.optionalElements !== true || value.type.kind !== "union") return value; + const arms = lowerer.unions.get(value.type.unionId)?.arms ?? []; + if (arms.length === 0 || !arms.every(isUnitType)) return value; + const loc = value.loc; + const optional: IrType = { + kind: "union", + unionId: lowerer.unions.intern([arrType.elem, UNDEFINED_T]), + }; + const missing = lowerer.wrappedUndefined(optional, loc); + if (!missing) return value; + return { + kind: "seqExpr", + stmts: [{ kind: "exprStmt", expr: value, loc }], + result: missing, + type: optional, + loc, + }; +} + /** Build the argument array for a mutating/copying operation while keeping * the receiver's scalar payload ABI. A missing read is represented as the * present UNDEFINED state in this temporary, so push/unshift and toSpliced @@ -86,9 +123,11 @@ export function lowerArrayValueItems( loc, }, ]; - for (const value of values) { + for (const item of values) { + const value = undefinedForNullish(lowerer, item, arrType); const stored = - lowerer.runtimeOptionalWidening(value.type, elem) !== null + lowerer.runtimeOptionalWidening(value.type, elem) !== null || + optionalElementValue(lowerer, value, elem) ? value : lowerer.coerceToExpected(value, elem); body.push(arrayValueStore(lowerer, outRef, length(), stored, elem, loc)); @@ -96,16 +135,21 @@ export function lowerArrayValueItems( return { kind: "seqExpr", stmts: body, result: outRef, type: arrType, loc }; } +/** The items of an array built from argument nodes (a spread copies its + * elements in) and values already lowered (a spread tuple's fields), in + * order. Each value is stored when its turn comes. */ export function lowerArraySpreadItems( lowerer: Lowerer, - nodes: readonly ts.Expression[], + nodes: readonly (ts.Expression | IrExpr)[], elem: IrType, arrType: IrType & { kind: "array" }, loc: SrcLoc, ): IrExpr { const out = lowerer.declareHiddenLocal("%arrayItems", arrType); const outRef = varRef(out.id, arrType, loc); - const plainItems = nodes.filter((node) => !ts.isSpreadElement(node)).length; + const plainItems = nodes.filter( + (node) => !(node instanceof AstNode) || !ts.isSpreadElement(node), + ).length; const length = (): IrExpr => ({ kind: "arrIntrinsic", method: "length", @@ -129,7 +173,23 @@ export function lowerArraySpreadItems( }, ]; for (const node of nodes) { - if (ts.isSpreadElement(node)) { + if (!(node instanceof AstNode)) { + // A spread tuple's first field declares the tuple's storage, which + // the later fields read: its statements join this sequence, whose + // frame lasts until every item is stored. + let item = node; + if (item.kind === "seqExpr") { + body.push(...item.stmts); + item = item.result; + } + const value = undefinedForNullish(lowerer, item, arrType); + const stored = + lowerer.runtimeOptionalWidening(value.type, elem) !== null || + optionalElementValue(lowerer, value, elem) + ? value + : lowerer.coerceToExpected(value, elem); + body.push(arrayValueStore(lowerer, outRef, length(), stored, elem, loc)); + } else if (ts.isSpreadElement(node)) { let source = lowerer.lowerExpr(node.expression); if ( source.type.kind === "set" && @@ -212,7 +272,8 @@ export function lowerArraySpreadItems( } else { const value = lowerer.lowerExpr(node); const stored = - lowerer.runtimeOptionalWidening(value.type, elem) !== null + lowerer.runtimeOptionalWidening(value.type, elem) !== null || + optionalElementValue(lowerer, value, elem) ? value : lowerer.coerceInto(node, value, elem); body.push(arrayValueStore(lowerer, outRef, length(), stored, elem, loc)); @@ -518,6 +579,20 @@ export function lowerArrayOfCall( if (call.arguments.nodes.some(ts.isSpreadElement)) { return lowerArraySpreadItems(lowerer, call.arguments.nodes, result.elem, result, locOf(call)); } + // A `(T | undefined)[]` (primitiveElement) stores undefined arguments as + // present undefined elements. + if (result.optionalElements === true) { + const nodes = call.arguments.nodes; + const values = nodes.map((arg) => lowerer.lowerExpr(arg)); + if (values.some((value) => optionalElementValue(lowerer, value, result.elem))) + return lowerArrayValueItems(lowerer, values, result.elem, result, locOf(call)); + return { + kind: "arrayLit", + elems: values.map((value, i) => lowerer.coerceInto(nodes[i]!, value, result.elem)), + type: result, + loc: locOf(call), + }; + } return { kind: "arrayLit", elems: call.arguments.nodes.map((arg) => lowerer.lowerExprExpecting(arg, result.elem)), @@ -959,6 +1034,31 @@ export function lowerArrayFromCall( const arrT = lowerer.mapTypeOf(lowerer.typeOf(call)); if (arrT?.kind !== "array") lowerer.badType(call, lowerer.typeOf(call)); const elem = arrT.elem; + // A `(T | undefined)[]` (primitiveElement): n present undefined + // elements. + const elemTs = lowerer.checker.isArrayType(lowerer.typeOf(call)) + ? lowerer.checker.getTypeArguments(lowerer.typeOf(call) as ts.TypeReference)[0] + : undefined; + if ( + primitiveElement(elem) && + elemTs !== undefined && + (elemTs.isUnionType() ? ts.constituentTypes(elemTs) : [elemTs]).some( + (part) => (part.flags & ts.TypeFlags.Undefined) !== 0, + ) + ) { + return { + kind: "arrIntrinsic", + method: "fillUndefined", + receiver: { kind: "arrayNewLen", length: n, type: arrT, loc }, + // To the end: fill clamps an infinite end to the length. + args: [ + numLit(0, loc), + { kind: "bin", op: "/", left: numLit(1, loc), right: numLit(0, loc), type: F64, loc }, + ], + type: arrT, + loc, + }; + } const absent = elem.kind === "union" ? lowerer.wrappedUndefined(elem, loc) !== null || @@ -1085,7 +1185,10 @@ export function lowerArrayFromCall( // A generator (or an iterator adapted into one) drains in order. if (src.type.kind === "generator" && args.length === 1) { const arrT = lowerer.mapTypeOf(lowerer.typeOf(call)); - const drained = arrT?.kind === "array" ? generatorDrain(lowerer, src, arrT.elem, loc) : null; + const drained = + arrT?.kind === "array" + ? generatorDrain(lowerer, src, arrT.elem, loc, arrT.optionalElements === true) + : null; if (drained) return drained; } lowerer.noLowering( @@ -1159,6 +1262,11 @@ function buildArrayFromArrayFn( type: fnRet, loc, }; + // A result of another type than the element (`T | undefined` into a + // `(T | undefined)[]`, which stores T elements) is held in a local, so + // the store tests and converts one value. + const held = !typeEquals(fnRet, outElem); + const value: IrExpr = held ? varRef("v.0", fnRet, loc) : mapped; return { name, params: [ @@ -1171,6 +1279,7 @@ function buildArrayFromArrayFn( { id: "f.0", name: "f", type: fnT, mutable: true }, { id: "out.0", name: "out", type: outT, mutable: false }, { id: "i.0", name: "i", type: F64, mutable: true }, + ...(held ? [{ id: "v.0", name: "v", type: fnRet, mutable: false }] : []), ], body: [ { @@ -1191,7 +1300,8 @@ function buildArrayFromArrayFn( loc, }, body: [ - arrayValueStore(lowerer, out, i, mapped, outElem, loc), + ...(held ? [{ kind: "varDecl", localId: "v.0", init: mapped, loc } as const] : []), + arrayValueStore(lowerer, out, i, value, outElem, loc), { kind: "assign", localId: "i.0", diff --git a/packages/compiler/src/frontend/lowering/containers/array-methods.ts b/packages/compiler/src/frontend/lowering/containers/array-methods.ts index 4ef203edd..f406e57eb 100644 --- a/packages/compiler/src/frontend/lowering/containers/array-methods.ts +++ b/packages/compiler/src/frontend/lowering/containers/array-methods.ts @@ -32,6 +32,10 @@ import { arrayValueRead, arrayValueStore, arrayValueType, + elementPlaceholder, + insertedValues, + optionalElementValue, + primitiveElement, } from "../array-values.js"; import { typeKey } from "../../type-mapper.js"; import { @@ -125,6 +129,14 @@ function lowerOptionalArrayPush( return { kind: "seqExpr", stmts, result: length(), type: F64, loc }; } +/** The checker type of `node` admits undefined. */ +function checkerTypeAdmitsUndefined(lowerer: Lowerer, node: ts.Expression): boolean { + const type = lowerer.typeOf(node); + return (type.isUnionType() ? ts.constituentTypes(type) : [type]).some( + (part) => (part.flags & (ts.TypeFlags.Undefined | ts.TypeFlags.Void)) !== 0, + ); +} + /** `a.splice(start, count, v)` where v may hold undefined at run time. * Receiver, start, count, and v evaluate once, in order; a present v is * inserted as a plain element literal (which a statement-position splice @@ -658,7 +670,10 @@ export function lowerArrayMethodCall( const hasSpread = itemNodes.some(ts.isSpreadElement); const itemProbes = hasSpread ? [] : itemNodes.map((arg) => tryLowerExpression(lowerer, arg)); const statefulItems = itemProbes.some( - (probe) => probe !== null && lowerer.runtimeOptionalWidening(probe.type, elem) !== null, + (probe) => + probe !== null && + (lowerer.runtimeOptionalWidening(probe.type, elem) !== null || + optionalElementValue(lowerer, probe, elem)), ); const items: IrExpr = hasSpread ? lowerArraySpreadItems(lowerer, itemNodes, elem, receiverIr, loc) @@ -875,6 +890,65 @@ export function lowerArrayMethodCall( loc, }; } + // A `(T | undefined)[]` (primitiveElement) takes undefined values as + // present undefined elements, stored after the insertion. + if ( + (name === "push" || name === "unshift") && + primitiveElement(elem) && + call.arguments.nodes.some((a) => checkerTypeAdmitsUndefined(lowerer, a)) + ) { + const nodes = call.arguments.nodes; + const values = nodes.map((a) => lowerer.lowerExpr(a)); + const inserted = insertedValues( + lowerer, + values, + elem, + (value, i) => lowerer.coerceInto(nodes[i]!, value, elem), + loc, + ); + if (inserted.optional) { + const array = lowerer.declareHiddenLocal("%insertInto", receiver.type); + const arr = varRef(array.id, array.type, loc); + const length = lowerer.declareHiddenLocal("%insertLength", F64); + const count: IrExpr = numLit(values.length, loc); + const first: IrExpr = + name === "push" + ? { + kind: "bin", + op: "-", + left: varRef(length.id, F64, loc), + right: count, + type: F64, + loc, + } + : numLit(0, loc); + return { + kind: "seqExpr", + stmts: [ + { kind: "varDecl", localId: array.id, init: receiver, loc }, + ...inserted.stmts, + { + kind: "varDecl", + localId: length.id, + init: { + kind: "arrIntrinsic", + method: name, + receiver: arr, + args: inserted.args, + type: F64, + loc, + }, + loc, + }, + ...inserted.fill(arr, first), + ], + result: varRef(length.id, F64, loc), + type: F64, + loc, + }; + } + return { kind: "arrIntrinsic", method: name, receiver, args: inserted.args, type: F64, loc }; + } // Inserted values flow into the element slot like an assignment would: // union-element arrays wrap plain arm values (coerceInto is inert // when the types already agree). @@ -996,9 +1070,12 @@ export function lowerArrayMethodCall( const hasSpread = itemNodes.some(ts.isSpreadElement); const itemProbes = hasSpread ? [] : itemNodes.map((arg) => tryLowerExpression(lowerer, arg)); const statefulItems = itemProbes.some( - (probe) => probe !== null && lowerer.runtimeOptionalWidening(probe.type, elem) !== null, + (probe) => + probe !== null && + (lowerer.runtimeOptionalWidening(probe.type, elem) !== null || + optionalElementValue(lowerer, probe, elem)), ); - if (statefulItems && itemNodes.length === 1) { + if (statefulItems && itemNodes.length === 1 && itemProbes[0]?.type.kind === "union") { return lowerOptionalSpliceItem( lowerer, receiver, @@ -1734,7 +1811,28 @@ function arraySearchHelper( type: valueT, loc, }; - const value = directNeedle ? rawRead : optionalValue; + // A direct needle matches only a present value (`match` tests the state + // first); a present undefined of a `(T | undefined)[]` (primitiveElement) + // must not be read as T. + const value = !directNeedle + ? optionalValue + : primitiveElement(elem) + ? { + kind: "ternary" as const, + cond: { + kind: "bin" as const, + op: "===" as const, + left: stateRef, + right: numLit(1, loc), + type: BOOL, + loc, + }, + then: rawRead, + else_: elementPlaceholder(elem, loc), + type: elem, + loc, + } + : rawRead; const readT = directNeedle ? elem : valueT; const equal = arraySearchEquality( lowerer, diff --git a/packages/compiler/src/frontend/lowering/containers/array-pipelines.ts b/packages/compiler/src/frontend/lowering/containers/array-pipelines.ts index ff7da5fd7..197af2a9e 100644 --- a/packages/compiler/src/frontend/lowering/containers/array-pipelines.ts +++ b/packages/compiler/src/frontend/lowering/containers/array-pipelines.ts @@ -1,9 +1,14 @@ +import * as ts from "../../ts7/adapter.js"; +import { CONTRACT_TYPES_MODULE } from "../../contract-types.js"; import { keyedHelperName } from "../stable-names.js"; +import { writtenLocals } from "../../../ir/callback-specialization.js"; +import { AmbientReceiverReaders } from "../../../ir/receiver-readers.js"; import { boolLit, countedFor, numLit, varRef } from "../../../ir/build.js"; import { BOOL, F64, VOID, + type IrBindingSource, type IrExpr, type IrFunction, type IrGlobal, @@ -16,9 +21,12 @@ import { typeKey, } from "../../../ir/ir.js"; import { + everyExpr, everyExprChild, + everyStmt, everyStmtChild, everyStmtList, + transformExpr, transformStmtList, } from "../../../ir/traverse.js"; import { @@ -537,6 +545,65 @@ function matchChain(lowerer: Lowerer, e: IrExpr): Chain | null { }; } +/** The outermost array-HOF call of `e` on its own, over its receiver. */ +function loneChain(lowerer: Lowerer, e: IrExpr): Chain | null { + const top = stageOf(lowerer, e); + if (!top) return null; + const { stage, receiver } = top; + if (receiver.type.kind !== "array") return null; + const stages: Stage[] = []; + let terminal: Terminal; + if (TERMINALS.has(stage.info.method)) { + const init = + stage.info.method === "reduce" && stage.info.hasInit && e.kind === "call" ? e.args[2]! : null; + terminal = { kind: "call", stage, init }; + } else if (PRODUCERS.has(stage.info.method)) { + terminal = { kind: "collect" }; + stages.push(stage); + } else return null; + return { + source: receiver, + sourceType: receiver.type, + slice: null, + stages, + terminal, + type: e.type, + loc: e.loc, + }; +} + +/** The callbacks of `chain` in order, or null when its stages cannot run + * in one loop: element types that do not line up, an array argument past + * the first stage, reduce without a seed, or findIndex over holes. */ +function chainCallbacks(chain: Chain): Stage[] | null { + const { stages, terminal } = chain; + const terminalStage = terminal.kind === "call" ? terminal.stage : null; + const callbacks = terminalStage ? [...stages, terminalStage] : stages; + // Element types must line up stage to stage. + let elem = chain.sourceType.elem; + for (const stage of callbacks) { + if (!typeEquals(stage.info.elem, elem)) return null; + if (stage.info.method === "filter" && !typeEquals(stage.info.outElem, stage.info.elem)) + return null; + if ( + (stage.info.method === "map" || stage.info.method === "flatMap") && + !typeEquals(stage.info.outElem, stage.info.fnRet) + ) + return null; + elem = stage.info.outElem; + } + // Index arguments are reproduced; an array argument only names the source. + for (let k = 0; k < callbacks.length; k++) { + const stage = callbacks[k]!; + const lead = stage.info.method === "reduce" ? 1 : 0; + if (stage.info.arity > lead + 3) return null; + if (stage.info.arity === lead + 3 && (k !== 0 || chain.slice)) return null; + } + if (terminalStage?.info.method === "reduce" && !terminalStage.info.hasInit) return null; + if (terminalStage?.info.method === "findIndex" && holeCarrying(chain)) return null; + return callbacks; +} + /* ── the fusion pass ─────────────────────────────────────────────────── */ /** The values a fused loop hands from one stage to the next: a local of a @@ -550,6 +617,10 @@ interface Plan { writes: Set; /** Some callback may throw or loop; at most one does. */ risky: boolean; + /** How the loop inlines callbacks, when not by their effect summaries. */ + inline?: InlineTarget; + /** Stack frame name of the loop: the inlined callback's, for a lone call. */ + frame?: string; } /** Fuse chains of array-HOF helper calls into one loop. @@ -596,12 +667,35 @@ class PipelineFusion { readonly added: IrFunction[] = []; private readonly effects: CallbackEffects; private readonly helpers = new Map(); + /** Bindings each function, or a closure it creates, writes after their + * declaration. */ + private readonly written: Map>; + /** classCaptured's answers by function name. */ + private readonly classCaptures = new Map>(); + /** Whether a module imports or re-exports the contract types. */ + private readonly contractTypes: boolean; + /** Bindings of the function being fused that inlined callbacks captured. */ + private inlinedCaptures = new Set(); + /** The helper calls each callback with an undefined receiver; a copied + * body runs under the receiver around the array call instead. */ + private readonly receivers: AmbientReceiverReaders; constructor( private readonly lowerer: Lowerer, functions: readonly IrFunction[], ) { this.effects = new CallbackEffects(functions, lowerer.globalsList); + this.written = writtenLocals({ functions }); + this.receivers = new AmbientReceiverReaders(new Map(functions.map((fn) => [fn.name, fn]))); + this.contractTypes = lowerer.moduleOrder.some((sf) => + sf.statements.nodes.some( + (st) => + (ts.isImportDeclaration(st) || ts.isExportDeclaration(st)) && + st.moduleSpecifier !== undefined && + ts.isStringLiteral(st.moduleSpecifier) && + st.moduleSpecifier.text === CONTRACT_TYPES_MODULE, + ), + ); } run(fn: IrFunction): void { @@ -612,6 +706,7 @@ class PipelineFusion { }); if (!candidate) return; const removed = new Set(); + this.inlinedCaptures = new Set(); let body = this.lists(fn.body, fn, removed); body = transformStmtList(body, { stmt: (s) => s, @@ -619,6 +714,7 @@ class PipelineFusion { }); fn.body = body; if (removed.size > 0) fn.locals = fn.locals.filter((l) => !removed.has(l.id)); + if (this.inlinedCaptures.size > 0) unboxUncaptured(fn, this.inlinedCaptures); } /* ── statement lists: fold single-use chain bindings ── */ @@ -733,40 +829,51 @@ class PipelineFusion { /* ── expressions ── */ private fuse(e: IrExpr, fn: IrFunction): IrExpr | null { - const plan = this.plan(e, fn); + const plan = this.plan(e, fn) ?? this.lonePlan(e, fn); return plan ? this.emit(plan) : null; } + /** One array-HOF call on its own (or the last call of a chain that does + * not fuse), when every callback is a closure literal whose body can be + * copied into the loop. A single stage reorders nothing, so the + * callbacks' effects need no model; their captured bindings must keep + * one value while the loop runs (stableTarget), since the loop reads + * them once, when it starts. The loop keeps the helper's order: the + * length read once, each element read when it is visited, holes + * skipped (and kept by map). */ + private lonePlan(e: IrExpr, fn: IrFunction): Plan | null { + const chain = loneChain(this.lowerer, e); + if (!chain) return null; + const callbacks = chainCallbacks(chain); + if (!callbacks) return null; + const inline = this.stableTarget(fn); + let frame: string | undefined; + for (const stage of callbacks) { + for (const arg of [stage.slow, stage.fast]) { + if (!arg) continue; + const target = inline(arg); + if (!target) return null; + frame ??= target.sourceName; + } + } + return { + chain, + callbacks, + writes: new Set(), + risky: true, + inline, + ...(frame === undefined ? {} : { frame }), + }; + } + /** Decide whether `e` is a fusable chain; null when it is not. */ private plan(e: IrExpr, fn: IrFunction): Plan | null { const chain = matchChain(this.lowerer, e); if (!chain) return null; + const callbacks = chainCallbacks(chain); + if (!callbacks) return null; const { stages, terminal } = chain; const terminalStage = terminal.kind === "call" ? terminal.stage : null; - const callbacks = terminalStage ? [...stages, terminalStage] : stages; - // Element types must line up stage to stage. - let elem = chain.sourceType.elem; - for (const stage of callbacks) { - if (!typeEquals(stage.info.elem, elem)) return null; - if (stage.info.method === "filter" && !typeEquals(stage.info.outElem, stage.info.elem)) - return null; - if ( - (stage.info.method === "map" || stage.info.method === "flatMap") && - !typeEquals(stage.info.outElem, stage.info.fnRet) - ) - return null; - elem = stage.info.outElem; - } - // Index arguments are reproduced; an array argument only names the source. - for (let k = 0; k < callbacks.length; k++) { - const stage = callbacks[k]!; - const lead = stage.info.method === "reduce" ? 1 : 0; - if (stage.info.arity > lead + 3) return null; - if (stage.info.arity === lead + 3 && (k !== 0 || chain.slice)) return null; - } - if (terminalStage?.info.method === "reduce" && !terminalStage.info.hasInit) return null; - const holes = holeCarrying(chain); - if (terminalStage?.info.method === "findIndex" && holes) return null; // Effects of each callback, in chain order. const scope = this.effects.scope(fn, true); const summaries: Effects[] = []; @@ -831,30 +938,89 @@ class PipelineFusion { * are passed in by value, read when the fused call starts; no callback * in the chain assigns a binding another one reads). */ private readonly inlineTarget: InlineTarget = (arg) => { + const fn = this.closureTarget(arg); + if (!fn) return null; + const captures = new Set((fn.captures ?? []).map((c) => c.localId)); + const effects = this.effects.ofFunction(fn); + if (!effects || intersects(effects.writes, captures)) return null; + return inlinableBody(fn, captures) ? fn : null; + }; + + /** inlineTarget for a callback created in `fn` whose captured bindings + * nothing assigns after their declaration: `fn`'s own locals and + * parameters, written neither by `fn` nor by any closure that shares + * them, and not by the callback body. A binding a local class captures + * counts as written, since its methods may assign it; so does a binding + * a method reads through its class's captures. The callback must + * not observe the ambient receiver (AmbientReceiverReaders). */ + private stableTarget(fn: IrFunction): InlineTarget { + const locals = new Map(fn.locals.map((l) => [l.id, l])); + const inherited = new Set( + [...(fn.captures ?? []), ...(fn.classCaptures ?? [])].map((c) => c.localId), + ); + const written = this.written.get(fn.name); + const classCaptured = this.classCaptured(fn); + return (arg) => { + const target = this.closureTarget(arg); + if (!target || !written || arg.kind !== "closure") return null; + if (!this.receivers.ignores(target)) return null; + for (const id of arg.captures) { + const local = locals.get(id); + if (!local || local.tdz || inherited.has(id) || written.has(id) || classCaptured.has(id)) + return null; + } + const captures = new Set((target.captures ?? []).map((c) => c.localId)); + const assigns = !everyStmtList(target.body, { + stmt: (st) => !((st.kind === "assign" || st.kind === "forOf") && captures.has(st.localId)), + expr: (ex) => + !((ex.kind === "assignExpr" || ex.kind === "incDec") && captures.has(ex.localId)), + }); + return !assigns && inlinableBody(target, captures) ? target : null; + }; + } + + /** The bindings of `fn` that a local class it creates captures. */ + private classCaptured(fn: IrFunction): ReadonlySet { + const known = this.classCaptures.get(fn.name); + if (known) return known; + const ids = new Set(); + everyStmtList(fn.body, { + expr: (e) => { + if (e.kind === "classRef") for (const id of e.captures ?? []) ids.add(id); + return true; + }, + stmt: () => true, + }); + this.classCaptures.set(fn.name, ids); + return ids; + } + + /** The function behind a closure-literal callback the loop can inline. */ + private closureTarget(arg: IrExpr): IrFunction | null { if (arg.kind !== "closure" || arg.adapts) return null; const fn = this.effects.fn(arg.fnName); if (!fn || fn.async || fn.generator || fn.classCaptures?.length) return null; - const captures = new Set((fn.captures ?? []).map((c) => c.localId)); - if (captures.size !== arg.captures.length) return null; - const effects = this.effects.ofFunction(fn); - if (!effects || intersects(effects.writes, captures)) return null; - if (fn.locals.some((l) => l.tdz || (l.boxed && !captures.has(l.id)))) return null; - let size = 0; - const small = everyStmtList(fn.body, { - expr: (e) => ++size <= MAX_INLINE_NODES && e.kind !== "closure" && e.kind !== "selfRef", - stmt: (s) => ++size <= MAX_INLINE_NODES && s.kind !== "tryCatch", - }); - return small ? fn : null; - }; + if ((fn.captures ?? []).length !== arg.captures.length) return null; + return fn; + } private emit(plan: Plan): IrExpr | null { - const built = new FusedLoop(this.lowerer, plan.chain, this.inlineTarget).build(); + const built = new FusedLoop( + this.lowerer, + plan.chain, + plan.inline ?? this.inlineTarget, + this.contractTypes, + ).build(); if (!built) return null; + for (const id of built.inlinedCaptures) this.inlinedCaptures.add(id); let name = this.helpers.get(built.key); if (!name) { - name = keyedHelperName(this.lowerer, "%arr.fused", built.key); + name = keyedHelperName(this.lowerer, plan.inline ? "%arr.loop" : "%arr.fused", built.key); this.helpers.set(built.key, name); - this.added.push({ ...built.fn, name }); + const helper: IrFunction = { ...built.fn, name }; + // A lone call's loop stands in the inlined callback's stack frame. + if (plan.frame !== undefined) helper.sourceName = plan.frame; + this.added.push(helper); } return { kind: "call", @@ -866,6 +1032,48 @@ class PipelineFusion { } } +/** Whether a statement inside `e` (a sequence expression's) returns. */ +function returns(e: IrExpr): boolean { + return !everyExpr(e, { expr: () => true, stmt: (s) => s.kind !== "return" }); +} + +/** Drops the box of each binding in `inlined` that no closure or class + * created in `fn` captures any more: the callbacks that captured it were + * copied into loops, which receive its value. A dead-zone binding keeps the + * box that represents its uninitialized state, and bindings `fn` itself + * captures keep theirs. */ +function unboxUncaptured(fn: IrFunction, inlined: ReadonlySet): void { + const captured = new Set(); + everyStmtList(fn.body, { + expr: (e) => { + if (e.kind === "closure" || e.kind === "classRef") + for (const id of e.captures ?? []) captured.add(id); + return true; + }, + stmt: () => true, + }); + const inherited = new Set( + [...(fn.captures ?? []), ...(fn.classCaptures ?? [])].map((c) => c.localId), + ); + fn.locals = fn.locals.map((local): IrLocal => { + if (local.boxed !== true || local.tdz === true || !inlined.has(local.id)) return local; + if (captured.has(local.id) || inherited.has(local.id)) return local; + const { boxed: _boxed, ...plain } = local; + return plain; + }); +} + +/** A callback body the loop can copy: small, no nested closures, recursion + * or try statements, and no boxed locals besides its captures. */ +function inlinableBody(fn: IrFunction, captures: ReadonlySet): boolean { + if (fn.locals.some((l) => l.tdz || (l.boxed && !captures.has(l.id)))) return false; + let size = 0; + return everyStmtList(fn.body, { + expr: (e) => ++size <= MAX_INLINE_NODES && e.kind !== "closure" && e.kind !== "selfRef", + stmt: (s) => ++size <= MAX_INLINE_NODES && s.kind !== "tryCatch", + }); +} + function intersects(a: ReadonlySet, b: ReadonlySet): boolean { for (const id of a) if (b.has(id)) return true; return false; @@ -988,10 +1196,13 @@ class FusedLoop { private next = 0; private failed = false; + /** `contractTypes`: the program writes contract types, which the + * contract checker binds to source bindings. */ constructor( private readonly lowerer: Lowerer, private readonly chain: Chain, private readonly inlineTarget: InlineTarget, + private readonly contractTypes: boolean, ) { this.loc = chain.loc; } @@ -1000,9 +1211,9 @@ class FusedLoop { return `${name}.${this.next++}`; } - private local(name: string, type: IrType, mutable = false): string { + private local(name: string, type: IrType, mutable = false, source?: IrBindingSource): string { const id = this.fresh(name); - this.locals.push({ id, name, type, mutable }); + this.locals.push(source ? { id, name, type, mutable, source } : { id, name, type, mutable }); return id; } @@ -1069,21 +1280,50 @@ class FusedLoop { return true; }, }); + // Copies keep their source bindings, so contract types written on + // them are checked against what the loop stores. In a program that + // writes contract types, a parameter with a source binding keeps its + // own local for the same reason. + const sources = new Map(fn.locals.map((l) => [l.id, l.source])); const aliased = new Set(); fn.params.forEach((p, index) => { const arg = args[index]!; - if (arg.kind === "varRef" && !assigned.has(p.localId) && typeEquals(arg.type, p.type)) { + if ( + arg.kind === "varRef" && + !assigned.has(p.localId) && + typeEquals(arg.type, p.type) && + !(this.contractTypes && sources.get(p.localId) !== undefined) + ) { renamed.set(p.localId, arg.localId); aliased.add(p.localId); } }); for (const l of fn.locals) { if (renamed.has(l.id)) continue; - const id = this.local(l.name, l.type, true); + const id = this.local(l.name, l.type, true, l.source); renamed.set(l.id, id); } + const rename = (id: string): string => renamed.get(id) ?? id; + const renameExpr = (e: IrExpr): IrExpr => { + switch (e.kind) { + case "varRef": + case "incDec": + case "assignExpr": + return { ...e, localId: rename(e.localId) }; + default: + return e; + } + }; + // A bound parameter's value is an element or index with no source text + // of its own; it is located at the parameter, without a span. + const bind: IrStmt[] = fn.params.flatMap((p, index): IrStmt[] => { + if (aliased.has(p.localId)) return []; + const source = sources.get(p.localId); + const arg = args[index]!; + const init = source ? { ...arg, loc: { ...source.loc, end: source.loc.start } } : arg; + return [{ kind: "varDecl", localId: rename(p.localId), init, loc }]; + }); const labels = new Map(); - const exit = this.fresh("%fused.exit"); const label = (name: string): string => { let id = labels.get(name); if (!id) { @@ -1092,19 +1332,53 @@ class FusedLoop { } return id; }; - const result = fn.returnType.kind === "void" ? null : this.local("ret", fn.returnType, true); - const rename = (id: string): string => renamed.get(id) ?? id; - const body = transformStmtList(fn.body, { - expr: (e) => { - switch (e.kind) { - case "varRef": - case "incDec": - case "assignExpr": - return { ...e, localId: rename(e.localId) }; - default: - return e; + /** Locals and labels of a copied statement; returns are the caller's. */ + const renameStmt = (st: IrStmt): IrStmt => { + switch (st.kind) { + case "varDecl": + case "assign": + return { ...st, localId: rename(st.localId) }; + case "break": + case "continue": + return st.label ? { ...st, label: label(st.label) } : st; + case "forOf": { + const renamedFor = { ...st, localId: rename(st.localId) }; + return st.labels ? { ...renamedFor, labels: st.labels.map(label) } : renamedFor; } - }, + case "while": + case "doWhile": + case "for": + case "switch": + case "block": + return st.labels ? { ...st, labels: st.labels.map(label) } : st; + default: + return st; + } + }; + // A body whose only return is its last statement (`(x) => x * k`, + // `{ const y = x * 2; return y > 4; }`) needs no exit block: its other + // statements run after the bindings, and the call's value is the + // returned expression. + const last = fn.body[fn.body.length - 1]; + const prefix = fn.body.slice(0, -1); + if ( + last !== undefined && + last.kind === "return" && + last.value !== null && + typeEquals(last.value.type, fn.returnType) && + !returns(last.value) && + prefix.every((st) => everyStmt(st, { expr: () => true, stmt: (x) => x.kind !== "return" })) + ) { + const copy = { expr: renameExpr, stmt: renameStmt }; + return { + pre: [...bind, ...transformStmtList(prefix, copy)], + value: transformExpr(last.value, copy), + }; + } + const exit = this.fresh("%fused.exit"); + const result = fn.returnType.kind === "void" ? null : this.local("ret", fn.returnType, true); + const body = transformStmtList(fn.body, { + expr: renameExpr, stmt: (s): IrStmt => { switch (s.kind) { case "return": { @@ -1124,27 +1398,14 @@ class FusedLoop { loc: s.loc, }; } - case "varDecl": - case "assign": - return { ...s, localId: rename(s.localId) }; case "break": case "continue": return s.label && s.label !== exit ? { ...s, label: label(s.label) } : s; - case "while": - case "doWhile": - case "for": - case "block": - return s.labels ? { ...s, labels: s.labels.map(label) } : s; default: - return s; + return renameStmt(s); } }, }); - const bind: IrStmt[] = fn.params.flatMap((p, index): IrStmt[] => - aliased.has(p.localId) - ? [] - : [{ kind: "varDecl", localId: rename(p.localId), init: args[index]!, loc }], - ); const pre: IrStmt[] = []; if (result !== null) pre.push({ kind: "varDecl", localId: result, init: null, loc }); pre.push({ kind: "block", labels: [exit], body: [...bind, ...body], loc }); @@ -1157,7 +1418,13 @@ class FusedLoop { }; } - build(): { fn: Omit; args: IrExpr[]; key: string } | null { + build(): { + fn: Omit; + args: IrExpr[]; + key: string; + /** Bindings the callbacks copied into the loop captured at this site. */ + inlinedCaptures: string[]; + } | null { const { chain, loc } = this; const arrT = chain.sourceType; const a = this.param("a", chain.source, "src"); @@ -1642,7 +1909,10 @@ class FusedLoop { }; foldKnownUnions(fn); scalarizeRecordTemporaries(this.lowerer, fn); - return { fn, args: this.args, key: this.keyParts.join("|") }; + const inlinedCaptures = this.callees.flatMap((c) => + c.inline && c.arg.kind === "closure" ? c.arg.captures : [], + ); + return { fn, args: this.args, key: this.keyParts.join("|"), inlinedCaptures }; } } @@ -1741,8 +2011,11 @@ function foldKnownUnions(fn: Omit): void { case "for": case "while": case "doWhile": + case "forOf": case "block": return { ...s, body: prune(s.body) }; + case "switch": + return { ...s, cases: s.cases.map((c) => ({ ...c, body: prune(c.body) })) }; default: return s; } @@ -1930,6 +2203,19 @@ function scalarizeRecordTemporaries(lowerer: Lowerer, fn: Omit ({ + test: c.test === null ? null : rewriteExpr(c.test), + body: rewriteList(c.body), + })), + }, + ]; case "block": return [{ ...s, body: rewriteList(s.body) }]; default: { diff --git a/packages/compiler/src/frontend/lowering/containers/callback-arguments.ts b/packages/compiler/src/frontend/lowering/containers/callback-arguments.ts index d95640978..de027e08c 100644 --- a/packages/compiler/src/frontend/lowering/containers/callback-arguments.ts +++ b/packages/compiler/src/frontend/lowering/containers/callback-arguments.ts @@ -2,6 +2,7 @@ import { keyedHelperName } from "../stable-names.js"; import * as ts from "../../ts7/adapter.js"; import type { Lowerer } from "../lowerer.js"; import { isJsSourceFile, locOf } from "../../program.js"; +import { primitiveElement } from "../array-values.js"; import { varRef } from "../../../ir/build.js"; import { typeKey } from "../../type-mapper.js"; import { @@ -144,12 +145,22 @@ export function lowerArrayCallback( const untyped = (checkerType.flags & (ts.TypeFlags.Any | ts.TypeFlags.Unknown)) !== 0; const raw = untyped ? null : lowerer.mapTypeOf(checkerType); const mapped = raw ? lowerer.runtimeOptionalBindingType(param.name, raw) : null; + // A helper that passes present number, string or boolean elements + // (a `(T | undefined)[]` stores T elements) binds a `T | undefined` + // parameter to T, so the callback takes them without an adapter. + const presentElement = + mapped !== null && + primitiveElement(expected) && + mapped.kind === "union" && + lowerer.armTag(mapped.unionId, UNDEFINED_T) >= 0 && + typeEquals(lowerer.stripUndefinedArm(mapped), expected); if ( untyped ? !bindUntyped : mapped === null || (lowerer.coercibleValue(expected, mapped) && - !runtimeOptionalPairVariant(lowerer, expected, mapped)) + !runtimeOptionalPairVariant(lowerer, expected, mapped) && + !presentElement) ) return; const symbol = lowerer.checker.getSymbolAtLocation(param.name); diff --git a/packages/compiler/src/frontend/lowering/containers/collection-methods.ts b/packages/compiler/src/frontend/lowering/containers/collection-methods.ts index 062edc7b8..e1359f792 100644 --- a/packages/compiler/src/frontend/lowering/containers/collection-methods.ts +++ b/packages/compiler/src/frontend/lowering/containers/collection-methods.ts @@ -1,4 +1,5 @@ import { keyedHelperName } from "../stable-names.js"; +import { primitiveElement } from "../array-values.js"; import { nodeThrowExpr, boolLit, countedFor, numLit, strLit, varRef } from "../../../ir/build.js"; import { InternalCompilerError } from "../../../errors.js"; import * as ts from "../../ts7/adapter.js"; @@ -1138,6 +1139,17 @@ function setFromSeedValue( seed = strCharsCall(lowerer, source, loc); } else if (source.type.kind === "array" && typeEquals(source.type.elem, setT.elem)) { seed = source; + } else if ( + source.type.kind === "array" && + primitiveElement(source.type.elem) && + setT.elem.kind === "union" && + lowerer.armTag(setT.elem.unionId, UNDEFINED_T) >= 0 && + typeEquals(lowerer.stripUndefinedArm(setT.elem), source.type.elem) + ) { + // A `(T | undefined)[]` stores T elements: its present undefined + // elements copy as the Set's undefined. + seed = lowerer.coerceToExpected(source, arrayOf(setT.elem)); + if (!typeEquals(seed.type, arrayOf(setT.elem))) return null; } else if (source.type.kind === "record") { const shape = lowerer.shapes.get(source.type.shapeId); if (!shape?.tuple || !shape.fields.every((field) => typeEquals(field.type, setT.elem))) diff --git a/packages/compiler/src/frontend/lowering/containers/indexed-objects.ts b/packages/compiler/src/frontend/lowering/containers/indexed-objects.ts index 668603d47..1c07885ae 100644 --- a/packages/compiler/src/frontend/lowering/containers/indexed-objects.ts +++ b/packages/compiler/src/frontend/lowering/containers/indexed-objects.ts @@ -1,6 +1,7 @@ import { keyedHelperName } from "../stable-names.js"; import { nullProtoRecordShape, recordNullProtoTest } from "../null-prototype.js"; import { countedFor, numLit, varRef } from "../../../ir/build.js"; +import { arrayValueStore, optionalElementValue, primitiveElement } from "../array-values.js"; import { objectEnumerationReceiver } from "../object-enumeration-receiver.js"; import { InternalCompilerError } from "../../../errors.js"; import * as ts from "../../ts7/adapter.js"; @@ -156,7 +157,14 @@ export function objectIterOverIndexShape( // also holds numbers): each overflow value checks into the element type, // so a value of a dropped arm throws instead of mistyping. let ivNarrows = false; - if (valueT) { + // `T | undefined` values into a `(T | undefined)[]`, which stores T + // elements (primitiveElement): each value is stored with its present + // undefined. + const optionalValues = + member === "values" && + valueT !== null && + optionalElementValue(lowerer, { kind: "unitLit", unit: "undefined", type: iv, loc }, valueT); + if (valueT && !optionalValues) { const ivSurfaces = typeEquals(iv, valueT) || (valueT.kind === "union" && lowerer.armTag(valueT.unionId, iv) >= 0) || @@ -350,7 +358,25 @@ export function objectIterOverIndexShape( loc, }, then: [fieldStmt], - else_: undefinedElement ? [push(pushedOf(undefinedElement))] : null, + else_: undefinedElement + ? [push(pushedOf(undefinedElement))] + : member === "values" && valueT && primitiveElement(valueT) + ? [ + { + kind: "arraySetUndefined", + arr: outRef, + index: { + kind: "arrIntrinsic", + method: "length", + receiver: outRef, + args: [], + type: F64, + loc, + }, + loc, + }, + ] + : null, loc, }; } @@ -374,35 +400,45 @@ export function objectIterOverIndexShape( const kRef = varRef("k.0", STRING, loc); const readValue: IrExpr | null = !valueT ? null - : ivNarrows + : optionalValues ? { - kind: "dynCheck", - value: { - kind: "dynFrom", - value: { - kind: "recordKeyGet", - obj: rRef, - shapeId: argIr.shapeId, - key: kRef, - overflowOnly: true, - type: iv, - loc, - }, - type: DYN, - loc, - }, - type: valueT, - loc, - } - : { kind: "recordKeyGet", obj: rRef, shapeId: argIr.shapeId, key: kRef, overflowOnly: true, - type: valueT, + type: iv, loc, - }; + } + : ivNarrows + ? { + kind: "dynCheck", + value: { + kind: "dynFrom", + value: { + kind: "recordKeyGet", + obj: rRef, + shapeId: argIr.shapeId, + key: kRef, + overflowOnly: true, + type: iv, + loc, + }, + type: DYN, + loc, + }, + type: valueT, + loc, + } + : { + kind: "recordKeyGet", + obj: rRef, + shapeId: argIr.shapeId, + key: kRef, + overflowOnly: true, + type: valueT, + loc, + }; const loopPushed: IrExpr = member === "keys" ? kRef @@ -440,7 +476,26 @@ export function objectIterOverIndexShape( }, loc, }, - push(loopPushed), + ...(optionalValues + ? [ + { kind: "varDecl" as const, localId: "v.0", init: readValue!, loc }, + arrayValueStore( + lowerer, + outRef, + { + kind: "arrIntrinsic", + method: "length", + receiver: outRef, + args: [], + type: F64, + loc, + }, + varRef("v.0", iv, loc), + valueT!, + loc, + ), + ] + : [push(loopPushed)]), ], ), { kind: "return", value: outRef, loc }, @@ -457,6 +512,7 @@ export function objectIterOverIndexShape( { id: "ks.0", name: "ks", type: ksT, mutable: false }, { id: "i.0", name: "i", type: F64, mutable: true }, { id: "k.0", name: "k", type: STRING, mutable: false }, + ...(optionalValues ? [{ id: "v.0", name: "v", type: iv, mutable: false }] : []), ], body, loc, diff --git a/packages/compiler/src/frontend/lowering/expressions/array-literals.ts b/packages/compiler/src/frontend/lowering/expressions/array-literals.ts index e7b76535b..024049215 100644 --- a/packages/compiler/src/frontend/lowering/expressions/array-literals.ts +++ b/packages/compiler/src/frontend/lowering/expressions/array-literals.ts @@ -32,7 +32,7 @@ import { generatorDrain } from "../iterator-adapters.js"; import { isMimeParamsIterable } from "../builtins/mime.js"; import { isSearchParamsIterable } from "../builtins/url.js"; import { dynUndefinedExpr, varRef } from "../../../ir/build.js"; -import { arrayValueStore } from "../array-values.js"; +import { arrayValueStore, primitiveElement } from "../array-values.js"; import { classGeneratorIterable } from "../class-iterables.js"; import { iteratorCanStep } from "../iterator-consumption.js"; @@ -104,6 +104,13 @@ function emptyNeverLiteral(lowerer: Lowerer, expr: ts.ArrayLiteralExpression): b * tsc's API doesn't surface it (ternary arms under an array context — * tsc accepts the arm covariantly, but a tagged element representation * must be BUILT as the slot's element type). */ +/** The checker type of `node` admits undefined. */ +function mayHoldUndefined(lowerer: Lowerer, node: ts.Expression): boolean { + const type = lowerer.typeOf(node); + const parts = type.isUnionType() ? ts.constituentTypes(type) : [type]; + return parts.some((part) => (part.flags & (ts.TypeFlags.Undefined | ts.TypeFlags.Void)) !== 0); +} + export function lowerArrayLiteral( lowerer: Lowerer, expr: ts.ArrayLiteralExpression, @@ -525,7 +532,13 @@ export function lowerArrayLiteral( // `[...it]` over a generator (or an iterator adapted into one): // drain it once, in order, into a fresh element array. if (src.type.kind === "generator") { - const drained = generatorDrain(lowerer, src, type.elem, locOf(el)); + const drained = generatorDrain( + lowerer, + src, + type.elem, + locOf(el), + type.optionalElements === true, + ); if (drained) src = drained; } // `[...sp]` and `[...sp.entries()]` over a URLSearchParams: its @@ -618,6 +631,9 @@ export function lowerArrayLiteral( let lowered: IrExpr; const directOptionalCandidate = runtimeOptionalElements.has(i) || + // An element that can be undefined in a `(T | undefined)[]` + // (primitiveElement) is stored as a present undefined. + (primitiveElement(type.elem) && mayHoldUndefined(lowerer, el)) || ts.isElementAccessExpression(el) || (ts.isCallExpression(el) && ts.isPropertyAccessExpression(el.expression) && @@ -695,7 +711,8 @@ export function lowerArrayLiteral( continue; } let value = el; - if (!typeEquals(value.type, type.elem)) { + // An undefined element is stored directly (arrayValueStore). + if (!typeEquals(value.type, type.elem) && value.type.kind !== "undefinedT") { const temp = lowerer.declareHiddenLocal("%arrayValue", value.type); body.push({ kind: "varDecl", localId: temp.id, init: value, loc }); value = varRef(temp.id, temp.type, loc); diff --git a/packages/compiler/src/frontend/lowering/expressions/element-access.ts b/packages/compiler/src/frontend/lowering/expressions/element-access.ts index 9ac6a04b6..a2f2ebdb6 100644 --- a/packages/compiler/src/frontend/lowering/expressions/element-access.ts +++ b/packages/compiler/src/frontend/lowering/expressions/element-access.ts @@ -61,6 +61,8 @@ import { arrayValueType, lowerSafeBytesRead, lowerSafeIndexRead, + primitiveElement, + unionArrayValueRead, } from "../array-values.js"; import { lowerOptionalStringIndex, lowerUnionStringIndex } from "../string-index.js"; import { InternalCompilerError } from "../../../errors.js"; @@ -594,6 +596,8 @@ export function lowerElementAccess(lowerer: Lowerer, expr: ts.ElementAccessExpre } } if (key.type.kind === "f64") { + const optional = optionalArmIndexRead(lowerer, value, key, locOf(expr)); + if (optional) return lowerer.maybeNarrow(optional, expr); const safe = lowerOptionalArrayIndexRead(lowerer, expr, value, key); if (safe) return safe; } @@ -884,9 +888,14 @@ export function lowerElementAccess(lowerer: Lowerer, expr: ts.ElementAccessExpre // must be the element type (library ABI checks and the catchable // RangeError contract for an out-of-bounds assert). Where undefined is // representable, the assertion keeps JavaScript's unchecked read. + // A declared `(T | undefined)[]` element (stored as T) keeps its + // optional read: the assertion then narrows it with a catchable + // TypeError, as for a union element. + const declaredOptional = arr.type.optionalElements === true; const provenPresent = ts.isNonNullExpression(expr.parent) && expr.parent.expression === expr && + !declaredOptional && !assertedElementKeepsUndefined(lowerer, expr.parent); if (provenPresent) { return lowerer.maybeNarrow( @@ -2437,3 +2446,46 @@ export function lowerEnvironmentKey(lowerer: Lowerer, node: ts.Expression): IrEx return { kind: "libCall", fn: "dyn.toStringCoerce", args: [key], type: STRING, loc: key.loc }; return lowerRecordPropertyKey(lowerer, key, node); } + +/** A number-keyed read of a union of arrays with a `(T | undefined)[]` arm + * (stored as T elements, primitiveElement) whose element facts admit + * missing values: each arm reads its element by its state + * (unionArrayValueRead), where the keyed read would trap on a present + * undefined. The receiver and key evaluate once. Null for other unions. */ +function optionalArmIndexRead( + lowerer: Lowerer, + value: IrExpr, + key: IrExpr, + loc: SrcLoc, +): IrExpr | null { + if (value.type.kind !== "union") return null; + const arms = lowerer.unions.get(value.type.unionId)?.arms ?? []; + if ( + !arms.some( + (arm) => + arm.kind === "array" && + primitiveElement(arm.elem) && + arrayValueType(lowerer, arm.elem).kind === "union", + ) + ) + return null; + if (unionArrayValueRead(lowerer, value, key, loc) === null) return null; + const stmts: IrStmt[] = []; + const stable = (e: IrExpr, name: string, keep: boolean): IrExpr => { + if (keep) return e; + const local = lowerer.declareHiddenLocal(name, e.type); + stmts.push({ kind: "varDecl", localId: local.id, init: e, loc }); + return varRef(local.id, e.type, loc); + }; + // A receiver local stays a direct read only when the key cannot assign + // it (`a[(a = other, 0)]` reads the array `a` held before the key). + const plainKey = key.kind === "varRef" || key.kind === "numLit"; + const receiver = stable( + value, + "%indexReceiver", + value.kind === "numLit" || (value.kind === "varRef" && plainKey), + ); + const index = stable(key, "%indexKey", plainKey); + const read = unionArrayValueRead(lowerer, receiver, index, loc)!; + return stmts.length === 0 ? read : { kind: "seqExpr", stmts, result: read, type: read.type, loc }; +} diff --git a/packages/compiler/src/frontend/lowering/expressions/identifiers.ts b/packages/compiler/src/frontend/lowering/expressions/identifiers.ts index 76dbea3d4..62b2c7960 100644 --- a/packages/compiler/src/frontend/lowering/expressions/identifiers.ts +++ b/packages/compiler/src/frontend/lowering/expressions/identifiers.ts @@ -842,7 +842,17 @@ export function lowerIdentifierExpr(lowerer: Lowerer, expr: ts.Identifier, loc: "deref()-after-collect exposes GC timing — genuinely dynamic; hold a strong reference instead", eval: "runtime code evaluation cannot be compiled ahead of time", }; - lowerer.noLowering(expr.text, expr, globalHints[expr.text], sym ?? undefined); + lowerer.noLowering( + expr.text, + expr, + globalHints[expr.text], + sym ?? undefined, + expr.text === "WeakRef" || expr.text === "FinalizationRegistry" + ? "weak-ref" + : expr.text === "eval" + ? "code-from-string" + : undefined, + ); } } // An ambient global nothing defines compiles to exactly what Node does diff --git a/packages/compiler/src/frontend/lowering/iterator-adapters.ts b/packages/compiler/src/frontend/lowering/iterator-adapters.ts index 9f2b1e31f..4909e7f45 100644 --- a/packages/compiler/src/frontend/lowering/iterator-adapters.ts +++ b/packages/compiler/src/frontend/lowering/iterator-adapters.ts @@ -1,3 +1,4 @@ +import { appendElement, optionalElementValue, primitiveElement } from "./array-values.js"; import { keyedHelperName } from "./stable-names.js"; import { dynUndefinedExpr, varRef } from "../../ir/build.js"; import { @@ -964,16 +965,27 @@ function generatorRetypeAdapter( return { kind: "call", callee: name, args: [expr], type: expected, loc }; } +/** A checked-dynamic yielded value for a `(T | undefined)[]` of a + * number, string or boolean T: converted to `T | undefined`, which the + * drain stores as a T element or a present undefined. */ +function optionalYield(lowerer: Lowerer, value: IrExpr, elem: IrType, optional: boolean): IrExpr { + if (!optional || value.type.kind !== "dyn" || !primitiveElement(elem)) return value; + return lowerer.coerceToExpected(value, lowerer.withUndefinedArm(elem)); +} + /** Drain a synchronous generator into a fresh `elem[]` — the eager * consumers of an iterator (`[...it]`, `Array.from(it)`). Each step resumes * the generator once and appends its value; completion stops the drain * without appending the return value, as in JS. Null when the yielded - * values cannot be extracted into the element type. */ + * values cannot be extracted into the element type. `optional`: the + * result is a `(T | undefined)[]`, which stores T elements, so a + * checked-dynamic value may also be undefined. */ export function generatorDrain( lowerer: Lowerer, source: IrExpr, elem: IrType, loc: SrcLoc, + optional = false, ): IrExpr | null { const gen = source.type; if (gen.kind !== "generator" || gen.async || gen.yieldT.kind === "void") return null; @@ -982,14 +994,16 @@ export function generatorDrain( const valueT = shape?.fields.find((field) => field.name === "value")?.type; if (!resultType || !valueT) return null; const arrT: IrType = { kind: "array", elem }; - const key = `genDrain:${typeKey(gen)}:${typeKey(elem)}`; + const key = `genDrain:${typeKey(gen)}:${typeKey(elem)}${optional ? "?" : ""}`; let name = lowerer.valueHelpers.get(key); if (!name && stepDrivable(gen)) { // The record-free drive: test done, then take the yielded value. const genRef = varRef("gen.0", gen, loc) as IrExpr & { type: typeof gen }; const outRef = varRef("out.0", arrT, loc); - const value = lowerer.coerceToExpected(genValue(genRef, loc), elem); - if (!typeEquals(value.type, elem)) return null; + const yielded = optionalYield(lowerer, genValue(genRef, loc), elem, optional); + const present = optionalElementValue(lowerer, yielded, elem); + const value = present ? yielded : lowerer.coerceToExpected(yielded, elem); + if (!present && !typeEquals(value.type, elem)) return null; name = keyedHelperName(lowerer, "%gen.drain", key); lowerer.valueHelpers.set(key, name); lowerer.liftedFns.push({ @@ -999,6 +1013,7 @@ export function generatorDrain( locals: [ { id: "gen.0", name: "gen", type: gen, mutable: false }, { id: "out.0", name: "out", type: arrT, mutable: false }, + ...(present ? [{ id: "v.0", name: "v", type: value.type, mutable: false }] : []), ], body: [ { @@ -1010,20 +1025,7 @@ export function generatorDrain( { kind: "while", cond: { kind: "unary", op: "!", operand: genStep(genRef, loc), type: BOOL, loc }, - body: [ - { - kind: "exprStmt", - expr: { - kind: "arrIntrinsic", - method: "push", - receiver: outRef, - args: [value], - type: F64, - loc, - }, - loc, - }, - ], + body: appendElement(lowerer, outRef, value, elem, "v.0", loc), loc, }, { kind: "return", value: outRef, loc }, @@ -1050,8 +1052,10 @@ export function generatorDrain( loc, ); if (!raw) return null; - const value = lowerer.coerceToExpected(raw, elem); - if (!typeEquals(value.type, elem)) return null; + const yielded = optionalYield(lowerer, raw, elem, optional); + const present = optionalElementValue(lowerer, yielded, elem); + const value = present ? yielded : lowerer.coerceToExpected(yielded, elem); + if (!present && !typeEquals(value.type, elem)) return null; name = keyedHelperName(lowerer, "%gen.drain", key); lowerer.valueHelpers.set(key, name); lowerer.liftedFns.push({ @@ -1062,6 +1066,7 @@ export function generatorDrain( { id: "gen.0", name: "gen", type: gen, mutable: false }, { id: "out.0", name: "out", type: arrT, mutable: false }, { id: "step.0", name: "step", type: resultType, mutable: false }, + ...(present ? [{ id: "v.0", name: "v", type: value.type, mutable: false }] : []), ], body: [ { @@ -1101,18 +1106,7 @@ export function generatorDrain( else_: null, loc, }, - { - kind: "exprStmt", - expr: { - kind: "arrIntrinsic", - method: "push", - receiver: outRef, - args: [value], - type: F64, - loc, - }, - loc, - }, + ...appendElement(lowerer, outRef, value, elem, "v.0", loc), ], loc, }, diff --git a/packages/compiler/src/frontend/lowering/lib-boundary.ts b/packages/compiler/src/frontend/lowering/lib-boundary.ts index 5be10e997..8a264d346 100644 --- a/packages/compiler/src/frontend/lowering/lib-boundary.ts +++ b/packages/compiler/src/frontend/lowering/lib-boundary.ts @@ -57,7 +57,7 @@ import { isUnitType, typeEquals, } from "../../ir/ir.js"; -import { LIB_FN_SIGS } from "../../ir/builtin-signatures.js"; +import { libFnSignatures } from "../../ir/builtin-signatures.js"; import { REGEX_INTRINSIC_SIGS, STR_INTRINSIC_SIGS } from "../../ir/intrinsic-signatures.js"; import { unionMismatchDiag, unsupportedDiag } from "../../diagnostics/diagnostic.js"; @@ -162,7 +162,7 @@ function enforceExprBoundary(lowerer: Lowerer, node: IrExpr): void { const kind = node.kind; if (kind === "libCall") { const e = node; - const sig = LIB_FN_SIGS[e.fn]; + const sig = libFnSignatures()[e.fn]; if (!sig) return; e.args.forEach((a, i) => { const want = sig.argTypes[i]; diff --git a/packages/compiler/src/frontend/lowering/lower-builtin-values.ts b/packages/compiler/src/frontend/lowering/lower-builtin-values.ts index e5ebc6d8e..d59b234d3 100644 --- a/packages/compiler/src/frontend/lowering/lower-builtin-values.ts +++ b/packages/compiler/src/frontend/lowering/lower-builtin-values.ts @@ -16,7 +16,7 @@ import { strLit, varRef } from "../../ir/build.js"; import type { Lowerer } from "./lowerer.js"; import { BUILTIN_MODULE_CONSTS, - BUILTIN_MODULE_FNS, + builtinModuleFns, OBJECT_CALLABLE_VALUES, builtinConstLit, builtinModuleConstOf, @@ -430,7 +430,7 @@ export function pathModuleValue(lowerer: Lowerer, module: string, loc: SrcLoc): const add = (member: string, value: IrExpr): void => { fields.push({ key: strLit(member, loc), value: box(value) }); }; - for (const member of Object.keys(BUILTIN_MODULE_FNS[module] ?? {})) { + for (const member of Object.keys(builtinModuleFns()[module] ?? {})) { const value = lowerer.lowerBuiltinCallableValue({ module, member }, loc); if (value) add(member, value); } @@ -512,7 +512,7 @@ function moduleValue(lowerer: Lowerer, module: string, loc: SrcLoc): IrExpr { loc, }); }; - for (const member of Object.keys(BUILTIN_MODULE_FNS[module] ?? {})) { + for (const member of Object.keys(builtinModuleFns()[module] ?? {})) { const callable = lowerer.lowerBuiltinCallableValue({ module, member }, loc); if (callable) add(member, callable); } diff --git a/packages/compiler/src/frontend/lowering/lower-calls.ts b/packages/compiler/src/frontend/lowering/lower-calls.ts index dc6f65035..96b6ed5d4 100644 --- a/packages/compiler/src/frontend/lowering/lower-calls.ts +++ b/packages/compiler/src/frontend/lowering/lower-calls.ts @@ -1147,7 +1147,10 @@ export function lowerCall(lowerer: Lowerer, expr: ts.CallExpression): IrExpr { if (!argNode || (ts.isIdentifier(argNode) && argNode.text === "undefined")) { return { kind: "libCall", fn: "sym.newAnon", args: [], type: SYMBOL_T, loc }; } - const desc = lowerer.lowerExpr(argNode); + let desc = lowerer.lowerExpr(argNode); + // A number or boolean description is its ToString. + if (desc.type.kind === "f64" || desc.type.kind === "bool") + desc = lowerer.ensureString(desc, argNode); if (desc.type.kind !== "string") { lowerer.noLowering( `Symbol with a '${lowerer.fmt(desc.type)}' description`, diff --git a/packages/compiler/src/frontend/lowering/lower-node-module.ts b/packages/compiler/src/frontend/lowering/lower-node-module.ts index 37675777c..b383d2aff 100644 --- a/packages/compiler/src/frontend/lowering/lower-node-module.ts +++ b/packages/compiler/src/frontend/lowering/lower-node-module.ts @@ -586,6 +586,8 @@ export function fenceNodeModuleMutation( `${action} through require.cache`, target, "a compiled binary has a fixed module graph; cache lookup and Object.keys(require.cache) are read-only", + undefined, + "loader-hook", ); } if ( diff --git a/packages/compiler/src/frontend/lowering/lower-stdlib.ts b/packages/compiler/src/frontend/lowering/lower-stdlib.ts index c760a7dd2..fe748bb93 100644 --- a/packages/compiler/src/frontend/lowering/lower-stdlib.ts +++ b/packages/compiler/src/frontend/lowering/lower-stdlib.ts @@ -35,14 +35,7 @@ import { esmNamedImportLinkCrash, isCjsJsFile, locOf, npmPackageNameOf } from ". import { foldedStringKeyOf, lowerDynObjectLiteral } from "./expressions/object-literals.js"; import { noteEventListeners } from "./lower-event-target.js"; import { PoisonError, newFnCtx, own } from "./lowerer.js"; -import { - NODE24_FETCH_COMPAT_PROFILE, - STATIC_HEADERS_CALLS, - STATIC_READABLE_STREAM_CALLS, - STATIC_READABLE_STREAM_READS, - STATIC_RESPONSE_CALLS, - STATIC_RESPONSE_READS, -} from "../../compat/fetch-profile.js"; +import { node24FetchCompatProfile, staticFetchMembers } from "../../compat/fetch-profile.js"; import { classGeneratorIterable } from "./class-iterables.js"; import { generatorDrain } from "./iterator-adapters.js"; @@ -434,7 +427,7 @@ function fenceRequestInitObject( : contextual ? [contextual] : []; - const rows = NODE24_FETCH_COMPAT_PROFILE.inventory.entries.filter( + const rows = node24FetchCompatProfile().inventory.entries.filter( (entry) => entry.owner === "RequestInit" && entry.placement === "dictionary", ); const shadowed = new Set(); @@ -837,7 +830,7 @@ function fetchInventoryStatus( placement: "static" | "prototype" | "prototype-symbol", ): "static" | "unsupported" | "out-of-scope" | null { return ( - NODE24_FETCH_COMPAT_PROFILE.inventory.entries.find( + node24FetchCompatProfile().inventory.entries.find( (entry) => entry.owner === owner && entry.member === member && entry.placement === placement, )?.status ?? null ); @@ -848,7 +841,7 @@ function fetchInventoryReason( member: string, placement: "static" | "prototype" | "prototype-symbol", ): string | undefined { - return NODE24_FETCH_COMPAT_PROFILE.inventory.entries.find( + return node24FetchCompatProfile().inventory.entries.find( (entry) => entry.owner === owner && entry.member === member && entry.placement === placement, )?.reason; } @@ -951,8 +944,9 @@ export function fenceStaticResponseMember( member.startsWith("[Symbol.") ? "prototype-symbol" : "prototype", ); + const projected = staticFetchMembers(); const supported = (member: string) => - use === "call" ? STATIC_RESPONSE_CALLS.has(member) : STATIC_RESPONSE_READS.has(member); + use === "call" ? projected.responseCalls.has(member) : projected.responseReads.has(member); if (members.every(supported)) return null; const member = members.find((candidate) => !supported(candidate))!; if (status(member) === "unsupported") { @@ -993,12 +987,9 @@ export function fenceStaticHeadersMember( member.startsWith("[Symbol.") ? "prototype-symbol" : "prototype", ); - if (use === "call" && members.every((member) => STATIC_HEADERS_CALLS.has(member))) { - return null; - } - const member = members.find( - (candidate) => use !== "call" || !STATIC_HEADERS_CALLS.has(candidate), - )!; + const headersCalls = staticFetchMembers().headersCalls; + if (use === "call" && members.every((member) => headersCalls.has(member))) return null; + const member = members.find((candidate) => use !== "call" || !headersCalls.has(candidate))!; if (status(member) === "unsupported") { lowerer.noLowering( `Headers.${member}`, @@ -1108,7 +1099,7 @@ function fetchInterfaceInventoryOwner( const symbol = [type.getSymbol(), type.getAliasSymbol()].find( (candidate) => candidate !== undefined && - NODE24_FETCH_COMPAT_PROFILE.inventory.interfaces.includes(ts.symbolName(candidate)) && + node24FetchCompatProfile().inventory.interfaces.includes(ts.symbolName(candidate)) && lowerer.isStdlibSymbol(candidate), ); return symbol ? { owner: ts.symbolName(symbol), symbol } : null; @@ -1123,7 +1114,7 @@ function fenceFetchObjectMembers( if (!resolved) return; const { owner, symbol } = resolved; for (const { member, node } of members) { - const row = NODE24_FETCH_COMPAT_PROFILE.inventory.entries.find( + const row = node24FetchCompatProfile().inventory.entries.find( (entry) => entry.owner === owner && entry.member === member && @@ -1136,7 +1127,7 @@ function fenceFetchObjectMembers( // Static data properties retain the ordinary checked-dynamic keyed-read // lowering. Only a method extraction loses the receiver that its direct // call bridge would preserve; non-static rows keep their inventory fence. - const operation = NODE24_FETCH_COMPAT_PROFILE.operations.find( + const operation = node24FetchCompatProfile().operations.find( (candidate) => candidate.id === row.id, ); if (row.status === "static" && operation?.kind === "property") { @@ -1235,7 +1226,7 @@ export function lowerFetchElementMethodCall( return null; } const rows = members.map((member) => - NODE24_FETCH_COMPAT_PROFILE.inventory.entries.find( + node24FetchCompatProfile().inventory.entries.find( (entry) => entry.owner === resolved.owner && entry.member === member && @@ -1397,10 +1388,11 @@ export function fenceStaticReadableStreamMember( member.startsWith("[Symbol.") ? "prototype-symbol" : "prototype", ); + const projected = staticFetchMembers(); const supported = (member: string) => use === "call" - ? STATIC_READABLE_STREAM_CALLS.has(member) - : STATIC_READABLE_STREAM_READS.has(member); + ? projected.readableStreamCalls.has(member) + : projected.readableStreamReads.has(member); if (members.every(supported)) return null; const member = members.find((candidate) => !supported(candidate))!; if (status(member) === "unsupported") { @@ -2222,6 +2214,8 @@ export function lowerDynamicImportCall(lowerer: Lowerer, call: ts.CallExpression call, "dynamic import() of computed specifiers (the module graph resolves at " + "build time — the specifier must be a string literal)", + undefined, + "dynamic-import", ); } if (call.arguments.nodes.length !== 1) { diff --git a/packages/compiler/src/frontend/lowering/lowerer.ts b/packages/compiler/src/frontend/lowering/lowerer.ts index 0e15bd08f..bb225c98b 100644 --- a/packages/compiler/src/frontend/lowering/lowerer.ts +++ b/packages/compiler/src/frontend/lowering/lowerer.ts @@ -6586,6 +6586,17 @@ export class Lowerer { mayBeUndefined: (node) => { if (explicitlyNonNull(node)) return assertedReadMayBeUndefined(node); if (mayBeOptional(node)) return true; + // A value the checker types as possibly undefined: `(T | undefined)[]` + // stores T elements (the type mapper), so its undefined values are + // facts of T's arrays. + const checked = typeOrNull(node); + if ( + checked !== null && + (checked.isUnionType() ? ts.constituentTypes(checked) : [checked]).some( + (part) => (part.flags & (ts.TypeFlags.Undefined | ts.TypeFlags.Void)) !== 0, + ) + ) + return true; // `undefined as unknown as T` keeps the undefined value. for ( let inner: ts.Expression = node; @@ -6604,7 +6615,49 @@ export class Lowerer { const symbol = symbolOf(e); return symbol !== null && iterationSymbols.has(symbol) && !provenPresent(e, symbol); }, - callbackReturnsUndefined: (node) => callbackReturnsOptional(node), + iterationMayYieldUndefined: (node) => { + const type = typeOrNull(node); + if (type === null || this.checker.isArrayType(type)) return false; + // A tuple yields its elements, in order. + if (this.checker.isTupleType(type)) + return panicSafe( + () => + this.checker + .getTypeArguments(type as ts.TypeReference) + .some((element) => + (element.isUnionType() ? ts.constituentTypes(element) : [element]).some( + (part) => (part.flags & (ts.TypeFlags.Undefined | ts.TypeFlags.Void)) !== 0, + ), + ), + true, + ); + // The first type argument of Set, Map and Set iterators, + // generators and iterables is the value they yield. + const element = + (type.flags & ts.TypeFlags.Object) !== 0 + ? panicSafe(() => this.checker.getTypeArguments(type as ts.TypeReference)[0], undefined) + : undefined; + if (element === undefined) return false; + return (element.isUnionType() ? ts.constituentTypes(element) : [element]).some( + (part) => (part.flags & (ts.TypeFlags.Undefined | ts.TypeFlags.Void)) !== 0, + ); + }, + callbackReturnsUndefined: (node) => { + if (callbackReturnsOptional(node)) return true; + // A callback the checker types as possibly returning undefined + // (`(m) => map.get(m)`): its results are present undefined + // elements of a `(T | undefined)[]`, which stores T elements. + const type = typeOrNull(node); + return ( + type !== null && + this.checker.getCallSignatures(type).some((signature) => { + const result = this.checker.getReturnTypeOfSignature(signature); + return (result.isUnionType() ? ts.constituentTypes(result) : [result]).some( + (part) => (part.flags & (ts.TypeFlags.Undefined | ts.TypeFlags.Void)) !== 0, + ); + }) + ); + }, isGlobal: (node, name) => this.isStdlibGlobal(node, name), isString: (node) => { const type = typeOrNull(node); @@ -6631,6 +6684,14 @@ export class Lowerer { const rest = sig.params.find((shape) => shape.mode === "rest"); return rest?.type.kind === "array" ? [typeKey(rest.type.elem)] : []; }, + restStart: (call) => { + const callee = peel(call.expression); + if (!ts.isIdentifier(callee) && !ts.isPropertyAccessExpression(callee)) return null; + const symbol = callableSymbolOf(callee); + const sig = symbol ? signatureBySymbol.get(symbol) : undefined; + const at = sig ? sig.params.findIndex((shape) => shape.mode === "rest") : -1; + return at >= 0 ? at : null; + }, markIterationBinding: (node, known) => { const symbol = symbolOf(node); if (!symbol) return false; @@ -6665,6 +6726,7 @@ export class Lowerer { const cached = scanSites.get(sf); if (cached !== undefined) return cached; const nodes: ts.Node[] = []; + const values: ts.Node[] = []; ts.walkPreorder(sf, (node) => { if ( ts.isVariableDeclaration(node) || @@ -6680,7 +6742,21 @@ export class Lowerer { ts.isPostfixUnaryExpression(node) ) nodes.push(node); + // The values these sites store, whose checker types mayBeUndefined + // reads: batched here, since dead bodies are scanned too. + if (ts.isArrayLiteralExpression(node)) + for (const element of node.elements.nodes) + values.push(ts.isSpreadElement(element) ? element.expression : element); + else if (ts.isCallExpression(node) || ts.isNewExpression(node)) + for (const arg of node.arguments?.nodes ?? []) + values.push(ts.isSpreadElement(arg) ? arg.expression : arg); + else if ( + ts.isBinaryExpression(node) && + node.operatorToken.kind === ts.SyntaxKind.EqualsToken + ) + values.push(node.right); }); + this.checker.prefetchCollectionTypes(values); scanSites.set(sf, nodes); return nodes; }; @@ -8844,8 +8920,11 @@ export class Lowerer { node: ts.Node, featureOverride?: string, hintOverride?: string, + reason?: string, ): never { - this.pushDiag(unsupportedDiag(code, locOf(node), featureOverride, hintOverride)); + const diag = unsupportedDiag(code, locOf(node), featureOverride, hintOverride); + if (reason !== undefined) diag.reason = reason; + this.pushDiag(diag); throw new PoisonError(); } @@ -9071,8 +9150,16 @@ export class Lowerer { * nothing lowers. Poisons the statement like every other rejection. * `sym`, when given, picks the wording: surface declared only by the * adopted @types/node is blamed at @types/node. */ - noLowering(surface: string, node: ts.Node, hint?: string, sym?: ts.Symbol | null): never { - this.pushDiag(noLoweringDiag(surface, locOf(node), hint, this.nodeTypesOnlySymbol(sym))); + noLowering( + surface: string, + node: ts.Node, + hint?: string, + sym?: ts.Symbol | null, + reason?: string, + ): never { + const diag = noLoweringDiag(surface, locOf(node), hint, this.nodeTypesOnlySymbol(sym)); + if (reason !== undefined) diag.reason = reason; + this.pushDiag(diag); throw new PoisonError(); } diff --git a/packages/compiler/src/frontend/lowering/runtime-optional-elements.ts b/packages/compiler/src/frontend/lowering/runtime-optional-elements.ts index 96d20d2c4..7561f4a65 100644 --- a/packages/compiler/src/frontend/lowering/runtime-optional-elements.ts +++ b/packages/compiler/src/frontend/lowering/runtime-optional-elements.ts @@ -16,6 +16,9 @@ export interface ElementStateHost { elementAdmitsUndefined(key: string): boolean; /** The value stored by `node` can be `undefined` at runtime. */ mayBeUndefined(node: ts.Expression): boolean; + /** Iterating `node`, an iterable other than an array (a Set, a Map's + * values, a generator), can yield `undefined`. */ + iterationMayYieldUndefined?(node: ts.Expression): boolean; /** A callback argument can return `undefined` at runtime. */ callbackReturnsUndefined(node: ts.Expression): boolean; /** The value may be a plain array-like object, whose missing indices @@ -28,6 +31,9 @@ export interface ElementStateHost { /** Element keys of the rest parameter that the spread arguments of * `call` fill: `[]` when the callee has none, null when it is unknown. */ restKeys(call: ts.CallExpression | ts.NewExpression): readonly string[] | null; + /** The argument index where the callee's rest parameter starts, or null + * when the callee has none or is unknown. */ + restStart?(call: ts.CallExpression | ts.NewExpression): number | null; /** Record that iterating `node`'s binding can observe `undefined`; * `known` when the iterated array's own facts (not only those shared by * its element ABI) say so. Returns true when the binding's record grew. */ @@ -353,7 +359,11 @@ export class ArrayElementStates { /** One stored value, or the elements a spread copies. */ private valueMayBeUndefined(value: ts.Expression): boolean { - if (ts.isSpreadElement(value)) return this.mayYieldUndefined(value.expression); + if (ts.isSpreadElement(value)) + return ( + this.mayYieldUndefined(value.expression) || + (this.host.iterationMayYieldUndefined?.(value.expression) ?? false) + ); return this.host.mayBeUndefined(value); } @@ -511,14 +521,26 @@ export class ArrayElementStates { private scanCall(node: ts.CallExpression | ts.NewExpression): boolean { let changed = false; const args = node.arguments?.nodes ?? []; - // Spreading a sparse array into a rest parameter fills the holes. + // Spreading a sparse array, or a tuple with undefined elements, into a + // rest parameter fills the holes. if (args.some((arg) => ts.isSpreadElement(arg))) { for (const arg of args) { - if (!ts.isSpreadElement(arg) || !this.mayYieldUndefined(arg.expression)) continue; + if (!ts.isSpreadElement(arg) || !this.valueMayBeUndefined(arg)) continue; const rest = this.host.restKeys(node) ?? this.host.arrayKeys(arg.expression); if (this.addUndefined(rest)) changed = true; } } + // An argument in a rest position that may be undefined is a present + // undefined element of the rest array. + const restStart = this.host.restStart?.(node) ?? null; + if (restStart !== null) + for (const arg of args.slice(restStart)) + if ( + !ts.isSpreadElement(arg) && + this.host.mayBeUndefined(arg) && + this.addUndefined(this.host.restKeys(node)) + ) + changed = true; if (this.record(node)) changed = true; const callee = peel(node.expression); if (!ts.isPropertyAccessExpression(callee)) return changed; diff --git a/packages/compiler/src/frontend/lowering/sanitize-class-types.ts b/packages/compiler/src/frontend/lowering/sanitize-class-types.ts index 77478d76d..6b89b446a 100644 --- a/packages/compiler/src/frontend/lowering/sanitize-class-types.ts +++ b/packages/compiler/src/frontend/lowering/sanitize-class-types.ts @@ -16,6 +16,8 @@ export function sanitizeUnregisteredClassTypes( case "object": return hasClass(type.className) ? type : F64; case "array": + type.elem = rewrite(type.elem); + break; case "set": type.elem = rewrite(type.elem); break; diff --git a/packages/compiler/src/frontend/lowering/surfaces.ts b/packages/compiler/src/frontend/lowering/surfaces.ts index 4ecfc79aa..cf0428b60 100644 --- a/packages/compiler/src/frontend/lowering/surfaces.ts +++ b/packages/compiler/src/frontend/lowering/surfaces.ts @@ -1129,983 +1129,1002 @@ export const UTIL_TYPES_KEYS: readonly string[] = [ "isCryptoKey", ]; -export const BUILTIN_MODULE_FNS: Record< - string, - Record | undefined -> = { - fs: { - readFileSync: { fn: "fs.readFileSync", params: [STRING, STRING], result: STRING }, - // The exact-API subset is first-class. A fixed native ABI is not enough: - // rows whose Node function has behavior-bearing trailing options remain - // call-only, or function-width adaptation could discard those options - // without a diagnostic before entering the fixed runtime call. - writeFileSync: { fn: "fs.writeFileSync", params: [STRING, STRING], result: VOID }, - appendFileSync: { fn: "fs.appendFileSync", params: [STRING, STRING], result: VOID }, - existsSync: { - fn: "fs.existsSync", - params: [STRING], - result: BOOL, - valueParams: exactValueParams(STRING), - }, - mkdirSync: { fn: "fs.mkdirSync", params: [STRING], result: VOID }, - rmSync: { fn: "fs.rmSync", params: [STRING], result: VOID }, - rmdirSync: { fn: "fs.rmdirSync", params: [STRING], result: VOID }, - readdirSync: { fn: "fs.readdirSync", params: [STRING], result: arrayOf(STRING) }, - // Pattern and options are checked by the runtime (lowerFsGlobSyncCall). - globSync: { fn: "fs.globSync", params: [DYN, DYN], result: arrayOf(STRING) }, - statSync: { fn: "fs.statSync", params: [STRING], result: STATS_T }, - mkdtempSync: { fn: "fs.mkdtempSync", params: [STRING], result: STRING }, - // accessSync's omitted mode completes to 0 (F_OK) in the special case - // in lowerBuiltinModuleCall — string `defaults` can't spell a number. - accessSync: { fn: "fs.accessSync", params: [STRING, F64], result: VOID }, - unlinkSync: { - fn: "fs.unlinkSync", - params: [STRING], - result: VOID, - valueParams: exactValueParams(STRING), - }, - chmodSync: { - fn: "fs.chmodSync", - params: [STRING, F64], - result: VOID, - valueParams: exactValueParams(STRING, F64), - }, - chownSync: { - fn: "fs.chownSync", - params: [STRING, F64, F64], - result: VOID, - valueParams: exactValueParams(STRING, F64, F64), - }, - lchownSync: { - fn: "fs.lchownSync", - params: [STRING, F64, F64], - result: VOID, - valueParams: exactValueParams(STRING, F64, F64), - }, - fchownSync: { - fn: "fs.fchownSync", - params: [F64, F64, F64], - result: VOID, - valueParams: exactValueParams(F64, F64, F64), - }, - // truncateSync's omitted len completes to 0 in lowerBuiltinModuleCall, - // like accessSync's mode. - truncateSync: { fn: "fs.truncateSync", params: [STRING, F64], result: VOID }, - // The 2-argument form only: Node's mode flags (COPYFILE_EXCL, ...) - // land on the arity fence. - copyFileSync: { fn: "fs.copyFileSync", params: [STRING, STRING], result: VOID }, - // The callback form is special-cased in lowerBuiltinModuleCall: its - // Error | null parameter is program-shaped and needs an emitted - // adapter. The row still projects the static surface and routes the - // dispatch. - rename: { fn: "fs.renameCb", params: [], result: VOID }, - renameSync: { - fn: "fs.renameSync", - params: [STRING, STRING], - result: VOID, - valueParams: exactValueParams(STRING, STRING), - }, - // statSync's no-follow sibling; stats.isSymbolicLink answers what the - // follow-free snapshot saw. - // opendirSync's options (a literal { bufferSize, encoding: "utf8" }) - // lower in lowerBuiltinModuleCall; the row routes the dispatch. - opendirSync: { fn: "fs.opendirSync", params: [STRING, F64], result: DIR_T }, - // createReadStream/createWriteStream lower in lowerBuiltinModuleCall - // (path and options cross as dyn values); the rows route the dispatch. - createReadStream: { - fn: "fs.createReadStream", - params: [DYN, DYN], - result: { kind: "object", className: "%Readable" }, - }, - createWriteStream: { - fn: "fs.createWriteStream", - params: [DYN, DYN], - result: { kind: "object", className: "%Writable" }, - }, - lstatSync: { fn: "fs.lstatSync", params: [STRING], result: STATS_T }, - fstatSync: { - fn: "fs.fstatSync", - params: [F64], - result: STATS_T, - valueParams: exactValueParams(F64), - }, - fchmodSync: { - fn: "fs.fchmodSync", - params: [F64, F64], - result: VOID, - valueParams: exactValueParams(F64, F64), - }, - fsyncSync: { - fn: "fs.fsyncSync", - params: [F64], - result: VOID, - valueParams: exactValueParams(F64), - }, - fdatasyncSync: { - fn: "fs.fdatasyncSync", - params: [F64], - result: VOID, - valueParams: exactValueParams(F64), - }, - ftruncateSync: { fn: "fs.ftruncateSync", params: [F64, F64], result: VOID }, - utimesSync: { fn: "fs.utimesSync", params: [DYN, DYN, DYN], result: VOID }, - futimesSync: { fn: "fs.futimesSync", params: [DYN, DYN, DYN], result: VOID }, - lutimesSync: { fn: "fs.lutimesSync", params: [DYN, DYN, DYN], result: VOID }, - readvSync: { fn: "fs.readvSync", params: [F64, arrayOf(BYTES_U8), F64], result: F64 }, - writevSync: { fn: "fs.writevSync", params: [F64, arrayOf(BYTES_U8), F64], result: F64 }, - linkSync: { - fn: "fs.linkSync", - params: [DYN, DYN], - result: VOID, - valueParams: exactValueParams(DYN, DYN), - }, - // Options and paths are checked by the runtime (scr_fs_cp_begin). - cpSync: { - fn: "fs.cpSync", - params: [DYN, DYN, DYN], - result: VOID, - valueParams: [ - ...exactValueParams(DYN, DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - symlinkSync: { - fn: "fs.symlinkSync", - params: [DYN, DYN, DYN], - result: VOID, - valueParams: [ - ...exactValueParams(DYN, DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - readlinkSync: { - fn: "fs.readlinkSync", - params: [DYN, DYN], - result: DYN, - valueParams: [ - ...exactValueParams(DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - statfsSync: { - fn: "fs.statfsSync", - params: [DYN, DYN], - result: DYN, - valueParams: [ - ...exactValueParams(DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - // realpath(3) — Node's realpathSync (failures spell syscall "lstat", - // Node's own message shape). - realpathSync: { fn: "fs.realpathSync", params: [STRING], result: STRING }, - "realpathSync.native": { fn: "fs.realpathNativeSync", params: [STRING], result: STRING }, - // The fd pair behind spawn's fd-stdio form (the daemon-log idiom: - // openSync(logPath, "a") → spawn stdio ["ignore", fd, fd] → - // closeSync). String flags use the established two-argument path; - // inline numeric O_* expressions route through openNumericSync, with - // an optional creation mode as the third argument. - openSync: { fn: "fs.openSync", params: [STRING, STRING], result: F64 }, - // The buffer forms (fd, buffer, offset, length[, position]). The - // lowering completes an omitted or literal-null position to -1 (the - // runtime's current-offset sentinel); numeric positions read without - // advancing the fd. The options-object and bigint forms still fence. - readSync: { fn: "fs.readSync", params: [F64, BYTES_U8, F64, F64, F64], result: F64 }, - // Entirely special-cased: the classic Buffer window and utf8 string - // overloads lower to separate fixed-width runtime ABIs. As with - // readSync, -1 is the current-offset sentinel. - writeSync: { fn: "fs.writeSync", params: [F64, BYTES_U8, F64, F64, F64], result: F64 }, - closeSync: { - fn: "fs.closeSync", - params: [F64], - result: VOID, - valueParams: exactValueParams(F64), - }, - // Entirely special-cased (lowerFsWatchCall — the callback needs an - // adapter per listener shape); this entry only routes the dispatch. - watch: { fn: "fs.watch", params: [], result: VOID }, - }, - "fs/promises": { - // The sync operations behind already-settled promises: failures - // REJECT (catchable at the await) instead of throwing. readFile is - // utf8-fenced exactly like readFileSync (same special case below). - readFile: { - fn: "fsp.readFile", - params: [STRING, STRING], - result: { kind: "promise", inner: STRING }, - }, - writeFile: { - fn: "fsp.writeFile", - params: [STRING, STRING], - result: { kind: "promise", inner: VOID }, - }, - mkdir: { fn: "fsp.mkdir", params: [STRING], result: { kind: "promise", inner: VOID } }, - readdir: { - fn: "fsp.readdir", - params: [STRING], - result: { kind: "promise", inner: arrayOf(STRING) }, - }, - rm: { fn: "fsp.rm", params: [STRING], result: { kind: "promise", inner: VOID } }, - // The async iterator lowers only as a for await head (lowerFspGlobCall). - glob: { fn: "fsp.globStrings", params: [DYN, DYN], result: arrayOf(STRING) }, - stat: { fn: "fsp.stat", params: [STRING], result: { kind: "promise", inner: STATS_T } }, - realpath: { fn: "fsp.realpath", params: [STRING], result: { kind: "promise", inner: STRING } }, - lstat: { fn: "fsp.lstat", params: [STRING], result: { kind: "promise", inner: STATS_T } }, - opendir: { - fn: "fsp.opendir", - params: [STRING, F64], - result: { kind: "promise", inner: DIR_T }, - }, - unlink: { - fn: "fsp.unlink", - params: [STRING], - result: { kind: "promise", inner: VOID }, - valueParams: exactValueParams(STRING), - }, - chmod: { - fn: "fsp.chmod", - params: [STRING, F64], - result: { kind: "promise", inner: VOID }, - valueParams: exactValueParams(STRING, F64), - }, - chown: { - fn: "fsp.chown", - params: [STRING, F64, F64], - result: { kind: "promise", inner: VOID }, - valueParams: exactValueParams(STRING, F64, F64), - }, - lchown: { - fn: "fsp.lchown", - params: [STRING, F64, F64], - result: { kind: "promise", inner: VOID }, - valueParams: exactValueParams(STRING, F64, F64), - }, - // access' omitted mode and truncate's omitted len complete to 0 in - // lowerBuiltinModuleCall, like their sync spellings. - access: { fn: "fsp.access", params: [STRING, F64], result: { kind: "promise", inner: VOID } }, - truncate: { - fn: "fsp.truncate", - params: [STRING, F64], - result: { kind: "promise", inner: VOID }, - }, - // String data; Uint8Array/Buffer data routes to fsp.appendFileBytes in - // lowerBuiltinModuleCall. - appendFile: { - fn: "fsp.appendFile", - params: [STRING, STRING], - result: { kind: "promise", inner: VOID }, - }, - // The 2-argument form only, like copyFileSync. - copyFile: { - fn: "fsp.copyFile", - params: [STRING, STRING], - result: { kind: "promise", inner: VOID }, - }, - mkdtemp: { fn: "fsp.mkdtemp", params: [STRING], result: { kind: "promise", inner: STRING } }, - rmdir: { fn: "fsp.rmdir", params: [STRING], result: { kind: "promise", inner: VOID } }, - link: { - fn: "fsp.link", - params: [DYN, DYN], - result: { kind: "promise", inner: VOID }, - valueParams: exactValueParams(DYN, DYN), - }, - cp: { - fn: "fsp.cp", - params: [DYN, DYN, DYN], - result: { kind: "promise", inner: VOID }, - valueParams: [ - ...exactValueParams(DYN, DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - symlink: { - fn: "fsp.symlink", - params: [DYN, DYN, DYN], - result: { kind: "promise", inner: VOID }, - valueParams: [ - ...exactValueParams(DYN, DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - readlink: { - fn: "fsp.readlink", - params: [DYN, DYN], - result: { kind: "promise", inner: DYN }, - valueParams: [ - ...exactValueParams(DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - statfs: { - fn: "fsp.statfs", - params: [DYN, DYN], - result: { kind: "promise", inner: DYN }, - valueParams: [ - ...exactValueParams(DYN), - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - utimes: { fn: "fsp.utimes", params: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, - lutimes: { - fn: "fsp.lutimes", - params: [DYN, DYN, DYN], - result: { kind: "promise", inner: VOID }, - }, - rename: { - fn: "fsp.rename", - params: [STRING, STRING], - result: { kind: "promise", inner: VOID }, - valueParams: exactValueParams(STRING, STRING), - }, - // open's optional flags/mode completion is special-cased in - // lowerBuiltinModuleCall; this row routes all import spellings and - // gives coverage the static member. - open: { - fn: "fsp.open", - params: [STRING, STRING, F64], - result: { kind: "promise", inner: FILEHANDLE_T }, - valueParams: [ - { mode: "required", type: STRING }, - { mode: "optional", type: STRING, defaultValue: "r" }, - { mode: "optional", type: F64, defaultValue: 0o666 }, - ], - }, - }, - // The bare module's POSIX-target binding; a win32 target rebinds it to - // the win32 table (builtinModuleFnsOf — Node on Windows IS path.win32). - path: PATH_MODULE_FNS, - // Real Node modules ("node:path/posix" resolves), and the receivers of - // `path.posix.` / `path.win32.` through the namespace - // chain (builtinNamespaceModuleOf composes "path" + ".posix" to these - // keys). Both namespaces carry the FULL surface on every platform, - // Node's own rule: each answers its own platform's semantics anywhere. - "path/posix": PATH_MODULE_FNS, - "path/win32": PATH_WIN32_MODULE_FNS, - os: { - // One platform implementation: os.platform() === process.platform. - platform: { fn: "process.platform", params: [], result: STRING, valueParams: [] }, - homedir: { fn: "os.homedir", params: [], result: STRING, valueParams: [] }, - tmpdir: { fn: "os.tmpdir", params: [], result: STRING, valueParams: [] }, - // uname(2)'s release field — Node's own implementation. - release: { fn: "os.release", params: [], result: STRING, valueParams: [] }, - // uname(2)'s sysname field ("Darwin", "Linux", "Windows_NT") — the - // libFn/runtime pair predates this entry (the portless surface used - // them); this row makes the MODULE call reach them (test/common's - // isAIX/isIBMi getters are the canonical callers). - type: { fn: "os.type", params: [], result: STRING, valueParams: [] }, - // Total physical memory in bytes — same predating-pair story. - totalmem: { fn: "os.totalmem", params: [], result: F64, valueParams: [] }, - // uv_available_parallelism: the CPUs this process may use (affinity, - // then cgroup quota on Linux), at least 1. - availableParallelism: { - fn: "os.availableParallelism", - params: [], - result: F64, - valueParams: [], - }, - // os.arch() IS process.arch, like platform(). - arch: { fn: "process.arch", params: [], result: STRING, valueParams: [] }, - hostname: { fn: "os.hostname", params: [], result: STRING, valueParams: [] }, - // uv_os_uname's machine and version fields, read once at module load - // in Node (they never change while a process runs). - machine: { fn: "os.machine", params: [], result: STRING, valueParams: [] }, - version: { fn: "os.version", params: [], result: STRING, valueParams: [] }, - endianness: { fn: "os.endianness", params: [], result: STRING, valueParams: [] }, - freemem: { fn: "os.freemem", params: [], result: F64, valueParams: [] }, - uptime: { fn: "os.uptime", params: [], result: F64, valueParams: [] }, - loadavg: { fn: "os.loadavg", params: [], result: arrayOf(F64), valueParams: [] }, - // An omitted (or undefined) pid is 0, the current process - // (lowerOsGetPriorityCall completes it). - getPriority: { - fn: "os.getPriority", - params: [F64], - result: F64, - valueParams: [{ mode: "optional", type: F64, defaultValue: 0 }], - }, - // A one-argument call is setPriority(0, priority) - // (lowerOsSetPriorityCall completes it). - setPriority: { fn: "os.setPriority", params: [F64, F64], result: VOID }, - // Special-cased (lowerOsCpusCall): the call site's CpuInfo[] assembles - // from one uv_cpu_info snapshot. - cpus: { fn: "os.cpusTake", params: [], result: VOID }, - // Entirely special-cased (lowerOsNetworkInterfacesCall): the result is - // the call site's mapped Dict shape, verified - // structurally there — this entry only routes the dispatch. - networkInterfaces: { fn: "os.networkInterfaces", params: [], result: VOID }, - // Special-cased too (lowerOsUserInfoCall): the call site's mapped - // UserInfo record assembles field-by-field from scalar libCalls. - userInfo: { fn: "os.userName", params: [], result: VOID }, - }, - crypto: { - randomUUID: { - fn: "crypto.randomUUID", - params: [], - result: STRING, - // As a value (uuid's `export default { randomUUID }`), the optional - // options argument goes through the validating entry point. - valueFn: "crypto.randomUUIDOpts", - valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], - }, - // A real Buffer result. The composed randomBytes(n).toString(enc) - // form KEEPS its one-libCall lowering (lowerCryptoComposedCall runs - // first and the Buffer never materializes there); this entry covers - // the bare calls and non-composed uses. - randomBytes: { - fn: "crypto.randomBytes", - params: [F64], - result: BYTES_U8, - valueParams: exactValueParams(F64), - }, - // The crypto utility surface is special-cased for overloads and - // string/Buffer splits in lowerCryptoModuleCall. These rows carry the - // canonical signatures for manifest projection and fallback dispatch. - createHash: { fn: "crypto.hashNew", params: [STRING], result: CRYPTOHASH_T }, - createHmac: { fn: "crypto.hmacNewStr", params: [STRING, STRING], result: CRYPTOHMAC_T }, - hash: { fn: "crypto.hashDigestStr", params: [STRING, STRING, STRING], result: STRING }, - timingSafeEqual: { fn: "crypto.timingSafeEqual", params: [BYTES_U8, BYTES_U8], result: BOOL }, - randomFillSync: { fn: "crypto.randomFill", params: [BYTES_U8, F64, F64], result: BYTES_U8 }, - getRandomValues: { fn: "crypto.getRandomValues", params: [BYTES_U8], result: BYTES_U8 }, - randomInt: { fn: "crypto.randomInt", params: [F64, F64], result: F64 }, - randomFill: { fn: "crypto.randomFillCb", params: [], result: VOID }, - randomUUIDv7: { - fn: "crypto.randomUUIDv7", - params: [DYN], - result: STRING, - valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], - }, - createSecretKey: { fn: "crypto.createSecretKey", params: [DYN, DYN], result: DYN }, - generateKeySync: { fn: "crypto.generateKeySync", params: [DYN, DYN], result: DYN }, - generateKey: { fn: "crypto.generateKeyCb", params: [], result: VOID }, - // Asymmetric keys and signatures (lowerPkiCall): checked-dynamic - // arguments, results converted to the call site's type. - createPrivateKey: { fn: "crypto.createPrivateKey", params: [DYN], result: DYN }, - createPublicKey: { fn: "crypto.createPublicKey", params: [DYN], result: DYN }, - createSign: { fn: "crypto.createSign", params: [DYN], result: DYN }, - createVerify: { fn: "crypto.createVerify", params: [DYN], result: DYN }, - generateKeyPairSync: { fn: "crypto.generateKeyPairSync", params: [], result: DYN }, - generateKeyPair: { fn: "crypto.generateKeyPairCb", params: [], result: VOID }, - sign: { fn: "crypto.signOneshot", params: [], result: DYN }, - verify: { fn: "crypto.verifyOneshot", params: [], result: DYN }, - diffieHellman: { fn: "crypto.diffieHellman", params: [], result: DYN }, - pbkdf2Sync: { - fn: "crypto.pbkdf2", - params: [BYTES_U8, BYTES_U8, F64, F64, STRING], - result: BYTES_U8, - }, - pbkdf2: { fn: "crypto.pbkdf2Cb", params: [], result: VOID }, - hkdfSync: { - fn: "crypto.hkdf", - params: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64], - result: DYN, - }, - hkdf: { fn: "crypto.hkdfCb", params: [], result: VOID }, - scryptSync: { fn: "crypto.scrypt", params: [BYTES_U8, BYTES_U8, F64, DYN], result: BYTES_U8 }, - scrypt: { fn: "crypto.scryptCb", params: [], result: VOID }, - // Checked-dynamic arguments; the result is a native Cipheriv or - // Decipheriv handle (lowerCryptoModuleCall). - createCipheriv: { fn: "crypto.cipherNew", params: [BOOL, DYN, DYN, DYN, DYN], result: DYN }, - createDecipheriv: { fn: "crypto.cipherNew", params: [BOOL, DYN, DYN, DYN, DYN], result: DYN }, - // A checked-dynamic curve name; the result is a native ECDH handle - // (lowerCreateEcdh). - createECDH: { fn: "crypto.ecdhNew", params: [DYN], result: DYN }, - // Checked-dynamic arguments; the result is a native DiffieHellman or - // DiffieHellmanGroup handle (lowerCreateDiffieHellman and - // lowerGetDiffieHellman). - createDiffieHellman: { fn: "crypto.dhNew", params: [DYN, DYN, DYN, DYN], result: DYN }, - getDiffieHellman: { fn: "crypto.dhGroupNew", params: [DYN], result: DYN }, - createDiffieHellmanGroup: { fn: "crypto.dhGroupNew", params: [DYN], result: DYN }, - // Prime checks and generation (lowerPrimeCall): checked-dynamic - // arguments, results converted to the call site's type. - checkPrimeSync: { fn: "crypto.checkPrimeSync", params: [], result: DYN }, - // Checked-dynamic arguments, the result converted to the call site's - // type (lowerPrimeCall). - getCipherInfo: { fn: "crypto.getCipherInfo", params: [], result: DYN }, - checkPrime: { fn: "crypto.checkPrimeCb", params: [], result: VOID }, - generatePrimeSync: { fn: "crypto.generatePrimeSync", params: [], result: DYN }, - generatePrime: { fn: "crypto.generatePrimeCb", params: [], result: VOID }, - }, - zlib: { - // The default-options convenience family is special-cased in - // lowerBuiltinModuleCall: string inputs UTF-8 encode, callback forms - // carry program-shaped closures, and explicit options fence per site. - // native-toolchain.ts links libz only when these appear on the IR. - deflate: { fn: "zlib.deflateCb", params: [], result: VOID }, - deflateSync: { fn: "zlib.deflateSync", params: [BYTES_U8], result: BYTES_U8 }, - inflate: { fn: "zlib.inflateCb", params: [], result: VOID }, - inflateSync: { fn: "zlib.inflateSync", params: [BYTES_U8], result: BYTES_U8 }, - deflateRaw: { fn: "zlib.deflateRawCb", params: [], result: VOID }, - deflateRawSync: { fn: "zlib.deflateRawSync", params: [BYTES_U8], result: BYTES_U8 }, - inflateRaw: { fn: "zlib.inflateRawCb", params: [], result: VOID }, - inflateRawSync: { fn: "zlib.inflateRawSync", params: [BYTES_U8], result: BYTES_U8 }, - gzip: { fn: "zlib.gzipCb", params: [], result: VOID }, - gzipSync: { fn: "zlib.gzipSync", params: [BYTES_U8], result: BYTES_U8 }, - gunzip: { fn: "zlib.gunzipCb", params: [], result: VOID }, - gunzipSync: { fn: "zlib.gunzipSync", params: [BYTES_U8], result: BYTES_U8 }, - unzip: { fn: "zlib.unzipCb", params: [], result: VOID }, - unzipSync: { fn: "zlib.unzipSync", params: [BYTES_U8], result: BYTES_U8 }, - crc32: { fn: "zlib.crc32", params: [], result: F64 }, - // Brotli (special-cased in lowerZlibModuleCall): every form takes the - // options entries with Node's BROTLI_ENCODE or BROTLI_DECODE mode. - brotliCompress: { fn: "zlib.cbOpts", params: [], result: VOID }, - brotliCompressSync: { fn: "zlib.syncOpts", params: [], result: BYTES_U8 }, - brotliDecompress: { fn: "zlib.cbOpts", params: [], result: VOID }, - brotliDecompressSync: { fn: "zlib.syncOpts", params: [], result: BYTES_U8 }, - // The stream factories (special-cased in lowerZlibModuleCall): each - // answers a runtime Transform stream over the zlib engine. - createDeflate: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createInflate: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createGzip: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createGunzip: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createDeflateRaw: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createInflateRaw: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createUnzip: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createBrotliCompress: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - createBrotliDecompress: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, - }, - url: { - fileURLToPath: { - fn: "url.fileURLToPathOptions", - params: [DYN, DYN], - result: STRING, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - fileURLToPathBuffer: { - fn: "url.fileURLToPathBuffer", - params: [DYN, DYN], - result: BYTES_U8, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - pathToFileURL: { - fn: "url.pathToFileURLChecked", - params: [DYN, DYN], - result: URL_T, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - // The legacy API and the domain pair (lowerLegacyUrlCall): arguments - // cross as dyn values for Node's own validators; url.parse() answers - // the checked-dynamic Url instance. - parse: { fn: "url.legacyParse", params: [DYN, DYN, DYN], result: DYN }, - format: { fn: "url.legacyFormat", params: [DYN, DYN], result: STRING }, - resolve: { fn: "url.legacyResolve", params: [DYN, DYN], result: STRING }, - domainToASCII: { fn: "url.domainToASCII", params: [DYN], result: STRING }, - domainToUnicode: { fn: "url.domainToUnicode", params: [DYN], result: STRING }, - urlToHttpOptions: { fn: "url.toHttpOptions", params: [DYN], result: DYN }, - }, - child_process: { - // spawnSync's and spawn's call completions are entirely special-cased - // (an omitted args list completes to an empty string[]; spawnSync - // accepts its documented literal options, while spawn supports the - // stdio/detached/env/cwd/windowsHide/shell subset — see - // lowerBuiltinModuleCall); the - // entries carry the canonical shapes. - spawnSync: { fn: "cp.spawnSync", params: [STRING, arrayOf(STRING)], result: SPAWNRES_T }, - spawn: { fn: "cp.spawn", params: [STRING, arrayOf(STRING)], result: CHILD_T }, - fork: { fn: "cp.fork", params: [STRING, arrayOf(STRING)], result: CHILD_T }, - // execFileSync(file, args?, options?) and execSync(command, options?) - // share the cp.execSync runtime entry (execSync sets the shell flag); - // both call completions are special-cased in lowerBuiltinModuleCall. - // The entries carry canonical shapes for the coverage/fence machinery. - execFileSync: { fn: "cp.execSync", params: [STRING, arrayOf(STRING)], result: STRING }, - execSync: { fn: "cp.execSync", params: [STRING], result: STRING }, - }, - // node:util lowers through dedicated paths: promisify - // only in the const-binding-over-execFile shape — recognized in - // lowerVarDecl / collectGlobals BEFORE any call lowering runs — and - // inspect/format/formatWithOptions plus parseArgs through the util spoke - // (lower-inspect.ts: per-type synthesized traversal helpers, - // compile-time format strings and the runtime formatter for the others, - // checked-dynamic config/result for - // parseArgs), which both dispatch paths try before the generic table. - // parseArgs is tabled as well so the generated surface manifest records - // the dedicated static member; the spoke owns its optional arity and - // call-site-specific result type before this canonical signature is used. - util: { - styleText: { - fn: "util.styleText", - params: [DYN, DYN, DYN], - result: STRING, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - isDeepStrictEqual: { - fn: "util.isDeepStrictEqual", - params: [DYN, DYN, DYN], - result: BOOL, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - parseArgs: { fn: "util.parseArgs", params: [DYN], result: DYN }, - aborted: { - fn: "util.aborted", - params: [DYN, DYN], - result: DYN, - valueParams: [ - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - diff: { - fn: "util.diff", - params: [DYN, DYN], - result: DYN, - valueParams: [ - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - debounce: { - fn: "util.debounce", - params: [DYN, DYN, DYN], - result: DYN, - valueParams: [ - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - throttle: { - fn: "util.throttle", - params: [DYN, DYN, DYN, DYN], - result: DYN, - valueParams: [ - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - convertProcessSignalToExitCode: { - fn: "util.signalExitCode", - params: [DYN], - result: F64, - valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], - }, - // The deprecated helpers report DEP0044 and DEP0060 on their first call. - isArray: { - fn: "util.isArrayDeprecated", - params: [DYN], - result: BOOL, - valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], - }, - _extend: { - fn: "util.extend", - params: [DYN, DYN], - result: DYN, - valueParams: [ - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - parseEnv: { fn: "util.parseEnv", params: [DYN], result: DYN }, - getSystemErrorName: { - fn: "util.getSystemErrorName", - params: [DYN], - result: STRING, - valueParams: exactValueParams(DYN), - }, - getSystemErrorMessage: { - fn: "util.getSystemErrorMessage", - params: [DYN], - result: STRING, - valueParams: exactValueParams(DYN), - }, - getSystemErrorMap: { fn: "util.systemErrorEntries", params: [], result: DYN }, - stripVTControlCharacters: { - fn: "util.stripVTControlCharacters", - params: [DYN], - result: STRING, - valueParams: exactValueParams(DYN), - }, - toUSVString: { - fn: "util.toUSVString", - params: [DYN], - result: STRING, - valueParams: exactValueParams(DYN), - }, - // The function helpers take checked-dynamic arguments and answer native - // dyn functions, which a static function slot checks when it receives - // one (lowerUtilCallableCall in the util spoke). - inherits: { - fn: "util.inherits", - params: [DYN, DYN], - result: VOID, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "required", type: DYN }, - ], - }, - deprecate: { - fn: "util.deprecate", - params: [DYN, DYN, DYN, DYN], - result: DYN, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - callbackify: { - fn: "util.callbackify", - params: [DYN], - result: DYN, - valueParams: [{ mode: "required", type: DYN }], - }, - debuglog: { - fn: "util.debuglog", - params: [DYN, DYN], - result: DYN, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - debug: { - fn: "util.debuglog", - params: [DYN, DYN], - result: DYN, - valueParams: [ - { mode: "required", type: DYN }, - { mode: "optional", type: DYN, defaultValue: undefined }, - ], - }, - }, - // The util/types spoke supplies the probe name to the shared brand check. - "util/types": { - isAnyArrayBuffer: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isArrayBuffer: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isArrayBufferView: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isDataView: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isTypedArray: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isUint8Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isUint8ClampedArray: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isUint16Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isUint32Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isInt8Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isInt16Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isInt32Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isFloat32Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isFloat64Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isMap: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isSet: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isWeakMap: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isWeakSet: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isRegExp: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isNativeError: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isPromise: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isProxy: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isAsyncFunction: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isGeneratorFunction: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isGeneratorObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isDate: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isSharedArrayBuffer: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isMapIterator: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isSetIterator: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isKeyObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isNumberObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isStringObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isBooleanObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isBigIntObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isSymbolObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isBoxedPrimitive: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isBigInt64Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isBigUint64Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isFloat16Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isCryptoKey: { fn: "util.typeIs", params: [DYN], result: BOOL }, - isExternal: { fn: "util.typeIs", params: [DYN], result: BOOL }, - }, - buffer: { - isAscii: { fn: "buffer.isAscii", params: [DYN], result: BOOL }, - isUtf8: { fn: "buffer.isUtf8", params: [DYN], result: BOOL }, - transcode: { fn: "buffer.transcode", params: [DYN, DYN, DYN], result: BYTES_U8 }, - }, - tty: { - isatty: { fn: "process.isTTY", params: [F64], result: BOOL }, - }, - process: { - loadEnvFile: { fn: "process.loadEnvFile", params: [DYN], result: VOID }, - }, - // node:string_decoder's surface is the StringDecoder CLASS — new/write/ - // end are special-cased (lowerNew + lowerStringDecoderMethodCall); no - // function members exist to table. - string_decoder: {}, - // node:querystring — the legacy query-string codec (NOT URLSearchParams; - // the escaping and '+' rules differ). escape/unescape ride the table - // path directly; parse and stringify are special-cased in - // lowerBuiltinModuleCall (parse's result is the call site's mapped - // ParsedUrlQuery dictionary — the networkInterfaces verification stance - // — and its sep/eq/options complete there; stringify's object argument - // crosses as a dyn value). decode/encode are Node's own aliases of - // parse/stringify (`const decode = parse` in lib/querystring.js) and - // route to the same special cases; the entries carry canonical shapes. - querystring: { - parse: { fn: "qs.parse", params: [STRING], result: VOID }, - decode: { fn: "qs.parse", params: [STRING], result: VOID }, - stringify: { fn: "qs.stringify", params: [DYN], result: STRING }, - encode: { fn: "qs.stringify", params: [DYN], result: STRING }, - escape: { - fn: "qs.escape", - params: [STRING], - result: STRING, - valueParams: [{ mode: "required", type: STRING }], - }, - unescape: { - fn: "qs.unescape", - params: [STRING], - result: STRING, - valueParams: [{ mode: "required", type: STRING }], - }, - }, - // node:punycode (deprecated): punycode.js 2.1.0's conversions over - // strings (scr_url.c). ucs2.decode/encode are members of the module's - // ucs2 object, dispatched as module members (builtinMemberOf). The - // DEP0040 report rides the module's load sites (punycodeLoadWarning). - punycode: { - decode: { fn: "punycode.decode", params: [STRING], result: STRING }, - encode: { fn: "punycode.encode", params: [STRING], result: STRING }, - toASCII: { fn: "punycode.toASCII", params: [STRING], result: STRING }, - toUnicode: { fn: "punycode.toUnicode", params: [STRING], result: STRING }, - "ucs2.decode": { fn: "punycode.ucs2Decode", params: [STRING], result: arrayOf(F64) }, - "ucs2.encode": { fn: "punycode.ucs2Encode", params: [arrayOf(F64)], result: STRING }, - }, - // node:constants (deprecated) is one frozen object (Object.assign of - // os.constants' groups, fs.constants and crypto.constants): bindings of - // the module read it as a checked-dynamic value (builtinConstantsObject). - constants: {}, - // node:readline: createInterface's options are entirely special-cased - // (exactly { input: process.stdin, output?: process.stdout } — see - // lowerBuiltinModuleCall); the entry carries the canonical shape. The - // interface's question/close/on lower through - // lowerReadlineMethodCall. - readline: { - createInterface: { fn: "rl.create", params: [], result: F64 }, - }, - // node:readline/promises: the same Interface with the promise question - // (lowerReadlineMethodCall tells the forms apart by the call's result). - "readline/promises": { - createInterface: { fn: "rl.create", params: [], result: F64 }, - }, - // node:net and node:http lower ENTIRELY through the server spoke - // (lower-server.ts — every call shape is special-cased: closures, the - // optional connect host, writeHead's literal headers); the member list - // is the lower-server dispatch there. The modules still need keys here so future - // table entries have a home, and so the "recognized module, unlowered - // member" fence wording applies. - net: { - // The process-wide happy-eyeballs attempt budget: one runtime double - // in the core unit (never links scr_net.c by itself), default 250ms - // like Node's. - getDefaultAutoSelectFamilyAttemptTimeout: { - fn: "net.getAutoSelTimeout", - params: [], - result: F64, - }, - setDefaultAutoSelectFamilyAttemptTimeout: { - fn: "net.setAutoSelTimeout", - params: [F64], - result: VOID, - }, - // Node's IPv4Reg / IPv6Reg tests over String(input). - isIP: { fn: "net.isIP", params: [DYN], result: F64 }, - isIPv4: { fn: "net.isIPv4", params: [DYN], result: BOOL }, - isIPv6: { fn: "net.isIPv6", params: [DYN], result: BOOL }, - }, - http: {}, - // node:tls and node:https ride the same spoke (tls.createServer's - // options + secureConnection handler, https.createServer, and the - // https client's rejectUnauthorized/ca options are all special-cased - // in lower-server.ts). - tls: {}, - https: {}, - // node:dgram and node:dns lower ENTIRELY through the dgram spoke - // (lower-dgram.ts — createSocket's option literal, dns.lookup's - // options + callback, and the Socket method surface are all - // special-cased); the keys exist for the same reason net/http's do. - dgram: {}, - dns: {}, - // node:dns/promises rides the same spoke (lookup's promise form). - "dns/promises": {}, - // node:v8: getHeapStatistics answers allocator-derived figures in - // Node's shape (builtins/v8.ts — the entry carries the canonical - // shape); every other member fences with the by-design reason - // (builtinFenceHintOf). - v8: { - getHeapStatistics: { fn: "process.memoryUsageTake", params: [], result: VOID }, - }, - // node:stream/web re-exports the web stream globals (the same objects); - // its members lower through the globals' own paths. - "stream/web": {}, - // node:assert lowers ENTIRELY through the assert spoke (lower-assert.ts - // — every call shape is special-cased: optional messages complete, the - // comparisons pick per-type libCalls, deep equality synthesizes - // helpers); the keys exist so unlowered members fence module-qualified - // with the hints below. - assert: {}, - "assert/strict": {}, - // node:test lowers ENTIRELY through the test spoke (lower-test.ts — - // registrations, suites, hooks, the TestContext surface); the key - // exists so unlowered members fence module-qualified. - test: {}, - // node:stream/promises lowers through the stream spoke too - // (lower-stream.ts — finished/pipeline's promise forms special-case - // their stream arguments exactly like the callback forms); the key - // exists so unlowered members fence module-qualified. - "stream/promises": {}, - // node:stream/consumers rides the stream spoke as well (text/json/ - // buffer/arrayBuffer special-case their stream argument); blob fences - // module-qualified with the pointed hint below. - "stream/consumers": {}, - // node:timers/promises — the delay-only setTimeout and bare setImmediate - // (void promises the shared timer heap settles), and scheduler.wait / - // scheduler.yield, which Node defines as setTimeout(delay, undefined, - // options) and setImmediate(). The arity completion (omitted delay = - // Node's 1ms) and the value/options fences are special-cased in - // lowerBuiltinModuleCall; these entries carry the canonical shapes and - // route the dispatch. - "timers/promises": { - setTimeout: { fn: "tp.setTimeout", params: [F64], result: { kind: "promise", inner: VOID } }, - setImmediate: { fn: "tp.setImmediate", params: [], result: { kind: "promise", inner: VOID } }, - "scheduler.wait": { - fn: "tp.setTimeout", - params: [F64], - result: { kind: "promise", inner: VOID }, - }, - "scheduler.yield": { - fn: "tp.setImmediate", - params: [], - result: { kind: "promise", inner: VOID }, - }, - }, - // node:diagnostics_channel — the pub/sub core. channel() answers an f64 - // handle (type-mapper.ts maps Channel to F64); the subscriber arguments box - // into the checked-dynamic tree (special-cased in lowerBuiltinModuleCall — the entries - // carry canonical shapes and route the dispatch). The Channel method - // surface lowers through lowerDiagnosticsChannelMethodCall/lowerDiagnosticsChannelProperty. - diagnostics_channel: { - channel: { fn: "dc.channel", params: [STRING], result: F64 }, - subscribe: { fn: "dc.subscribe", params: [STRING, DYN], result: VOID }, - unsubscribe: { fn: "dc.unsubscribe", params: [STRING, DYN], result: BOOL }, - hasSubscribers: { fn: "dc.hasSubscribers", params: [STRING], result: BOOL }, - // The string form's canonical shape; the collection form (an object - // literal of five Channels) is special-cased in lowerBuiltinModuleCall. - tracingChannel: { fn: "dc.tracingChannel", params: [STRING], result: F64 }, - }, -}; +type BuiltinModuleFnTable = Record | undefined>; + +let builtinModuleFnTable: BuiltinModuleFnTable | undefined; + +/** Every builtin module's lowered function members, keyed by module and + * member. The table is built on the first call, so runs that do not lower + * a module do not construct it. */ +export function builtinModuleFns(): BuiltinModuleFnTable { + builtinModuleFnTable ??= buildBuiltinModuleFns(); + return builtinModuleFnTable; +} + +function buildBuiltinModuleFns(): BuiltinModuleFnTable { + return { + fs: { + readFileSync: { fn: "fs.readFileSync", params: [STRING, STRING], result: STRING }, + // The exact-API subset is first-class. A fixed native ABI is not enough: + // rows whose Node function has behavior-bearing trailing options remain + // call-only, or function-width adaptation could discard those options + // without a diagnostic before entering the fixed runtime call. + writeFileSync: { fn: "fs.writeFileSync", params: [STRING, STRING], result: VOID }, + appendFileSync: { fn: "fs.appendFileSync", params: [STRING, STRING], result: VOID }, + existsSync: { + fn: "fs.existsSync", + params: [STRING], + result: BOOL, + valueParams: exactValueParams(STRING), + }, + mkdirSync: { fn: "fs.mkdirSync", params: [STRING], result: VOID }, + rmSync: { fn: "fs.rmSync", params: [STRING], result: VOID }, + rmdirSync: { fn: "fs.rmdirSync", params: [STRING], result: VOID }, + readdirSync: { fn: "fs.readdirSync", params: [STRING], result: arrayOf(STRING) }, + // Pattern and options are checked by the runtime (lowerFsGlobSyncCall). + globSync: { fn: "fs.globSync", params: [DYN, DYN], result: arrayOf(STRING) }, + statSync: { fn: "fs.statSync", params: [STRING], result: STATS_T }, + mkdtempSync: { fn: "fs.mkdtempSync", params: [STRING], result: STRING }, + // accessSync's omitted mode completes to 0 (F_OK) in the special case + // in lowerBuiltinModuleCall — string `defaults` can't spell a number. + accessSync: { fn: "fs.accessSync", params: [STRING, F64], result: VOID }, + unlinkSync: { + fn: "fs.unlinkSync", + params: [STRING], + result: VOID, + valueParams: exactValueParams(STRING), + }, + chmodSync: { + fn: "fs.chmodSync", + params: [STRING, F64], + result: VOID, + valueParams: exactValueParams(STRING, F64), + }, + chownSync: { + fn: "fs.chownSync", + params: [STRING, F64, F64], + result: VOID, + valueParams: exactValueParams(STRING, F64, F64), + }, + lchownSync: { + fn: "fs.lchownSync", + params: [STRING, F64, F64], + result: VOID, + valueParams: exactValueParams(STRING, F64, F64), + }, + fchownSync: { + fn: "fs.fchownSync", + params: [F64, F64, F64], + result: VOID, + valueParams: exactValueParams(F64, F64, F64), + }, + // truncateSync's omitted len completes to 0 in lowerBuiltinModuleCall, + // like accessSync's mode. + truncateSync: { fn: "fs.truncateSync", params: [STRING, F64], result: VOID }, + // The 2-argument form only: Node's mode flags (COPYFILE_EXCL, ...) + // land on the arity fence. + copyFileSync: { fn: "fs.copyFileSync", params: [STRING, STRING], result: VOID }, + // The callback form is special-cased in lowerBuiltinModuleCall: its + // Error | null parameter is program-shaped and needs an emitted + // adapter. The row still projects the static surface and routes the + // dispatch. + rename: { fn: "fs.renameCb", params: [], result: VOID }, + renameSync: { + fn: "fs.renameSync", + params: [STRING, STRING], + result: VOID, + valueParams: exactValueParams(STRING, STRING), + }, + // statSync's no-follow sibling; stats.isSymbolicLink answers what the + // follow-free snapshot saw. + // opendirSync's options (a literal { bufferSize, encoding: "utf8" }) + // lower in lowerBuiltinModuleCall; the row routes the dispatch. + opendirSync: { fn: "fs.opendirSync", params: [STRING, F64], result: DIR_T }, + // createReadStream/createWriteStream lower in lowerBuiltinModuleCall + // (path and options cross as dyn values); the rows route the dispatch. + createReadStream: { + fn: "fs.createReadStream", + params: [DYN, DYN], + result: { kind: "object", className: "%Readable" }, + }, + createWriteStream: { + fn: "fs.createWriteStream", + params: [DYN, DYN], + result: { kind: "object", className: "%Writable" }, + }, + lstatSync: { fn: "fs.lstatSync", params: [STRING], result: STATS_T }, + fstatSync: { + fn: "fs.fstatSync", + params: [F64], + result: STATS_T, + valueParams: exactValueParams(F64), + }, + fchmodSync: { + fn: "fs.fchmodSync", + params: [F64, F64], + result: VOID, + valueParams: exactValueParams(F64, F64), + }, + fsyncSync: { + fn: "fs.fsyncSync", + params: [F64], + result: VOID, + valueParams: exactValueParams(F64), + }, + fdatasyncSync: { + fn: "fs.fdatasyncSync", + params: [F64], + result: VOID, + valueParams: exactValueParams(F64), + }, + ftruncateSync: { fn: "fs.ftruncateSync", params: [F64, F64], result: VOID }, + utimesSync: { fn: "fs.utimesSync", params: [DYN, DYN, DYN], result: VOID }, + futimesSync: { fn: "fs.futimesSync", params: [DYN, DYN, DYN], result: VOID }, + lutimesSync: { fn: "fs.lutimesSync", params: [DYN, DYN, DYN], result: VOID }, + readvSync: { fn: "fs.readvSync", params: [F64, arrayOf(BYTES_U8), F64], result: F64 }, + writevSync: { fn: "fs.writevSync", params: [F64, arrayOf(BYTES_U8), F64], result: F64 }, + linkSync: { + fn: "fs.linkSync", + params: [DYN, DYN], + result: VOID, + valueParams: exactValueParams(DYN, DYN), + }, + // Options and paths are checked by the runtime (scr_fs_cp_begin). + cpSync: { + fn: "fs.cpSync", + params: [DYN, DYN, DYN], + result: VOID, + valueParams: [ + ...exactValueParams(DYN, DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + symlinkSync: { + fn: "fs.symlinkSync", + params: [DYN, DYN, DYN], + result: VOID, + valueParams: [ + ...exactValueParams(DYN, DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + readlinkSync: { + fn: "fs.readlinkSync", + params: [DYN, DYN], + result: DYN, + valueParams: [ + ...exactValueParams(DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + statfsSync: { + fn: "fs.statfsSync", + params: [DYN, DYN], + result: DYN, + valueParams: [ + ...exactValueParams(DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + // realpath(3) — Node's realpathSync (failures spell syscall "lstat", + // Node's own message shape). + realpathSync: { fn: "fs.realpathSync", params: [STRING], result: STRING }, + "realpathSync.native": { fn: "fs.realpathNativeSync", params: [STRING], result: STRING }, + // The fd pair behind spawn's fd-stdio form (the daemon-log idiom: + // openSync(logPath, "a") → spawn stdio ["ignore", fd, fd] → + // closeSync). String flags use the established two-argument path; + // inline numeric O_* expressions route through openNumericSync, with + // an optional creation mode as the third argument. + openSync: { fn: "fs.openSync", params: [STRING, STRING], result: F64 }, + // The buffer forms (fd, buffer, offset, length[, position]). The + // lowering completes an omitted or literal-null position to -1 (the + // runtime's current-offset sentinel); numeric positions read without + // advancing the fd. The options-object and bigint forms still fence. + readSync: { fn: "fs.readSync", params: [F64, BYTES_U8, F64, F64, F64], result: F64 }, + // Entirely special-cased: the classic Buffer window and utf8 string + // overloads lower to separate fixed-width runtime ABIs. As with + // readSync, -1 is the current-offset sentinel. + writeSync: { fn: "fs.writeSync", params: [F64, BYTES_U8, F64, F64, F64], result: F64 }, + closeSync: { + fn: "fs.closeSync", + params: [F64], + result: VOID, + valueParams: exactValueParams(F64), + }, + // Entirely special-cased (lowerFsWatchCall — the callback needs an + // adapter per listener shape); this entry only routes the dispatch. + watch: { fn: "fs.watch", params: [], result: VOID }, + }, + "fs/promises": { + // The sync operations behind already-settled promises: failures + // REJECT (catchable at the await) instead of throwing. readFile is + // utf8-fenced exactly like readFileSync (same special case below). + readFile: { + fn: "fsp.readFile", + params: [STRING, STRING], + result: { kind: "promise", inner: STRING }, + }, + writeFile: { + fn: "fsp.writeFile", + params: [STRING, STRING], + result: { kind: "promise", inner: VOID }, + }, + mkdir: { fn: "fsp.mkdir", params: [STRING], result: { kind: "promise", inner: VOID } }, + readdir: { + fn: "fsp.readdir", + params: [STRING], + result: { kind: "promise", inner: arrayOf(STRING) }, + }, + rm: { fn: "fsp.rm", params: [STRING], result: { kind: "promise", inner: VOID } }, + // The async iterator lowers only as a for await head (lowerFspGlobCall). + glob: { fn: "fsp.globStrings", params: [DYN, DYN], result: arrayOf(STRING) }, + stat: { fn: "fsp.stat", params: [STRING], result: { kind: "promise", inner: STATS_T } }, + realpath: { + fn: "fsp.realpath", + params: [STRING], + result: { kind: "promise", inner: STRING }, + }, + lstat: { fn: "fsp.lstat", params: [STRING], result: { kind: "promise", inner: STATS_T } }, + opendir: { + fn: "fsp.opendir", + params: [STRING, F64], + result: { kind: "promise", inner: DIR_T }, + }, + unlink: { + fn: "fsp.unlink", + params: [STRING], + result: { kind: "promise", inner: VOID }, + valueParams: exactValueParams(STRING), + }, + chmod: { + fn: "fsp.chmod", + params: [STRING, F64], + result: { kind: "promise", inner: VOID }, + valueParams: exactValueParams(STRING, F64), + }, + chown: { + fn: "fsp.chown", + params: [STRING, F64, F64], + result: { kind: "promise", inner: VOID }, + valueParams: exactValueParams(STRING, F64, F64), + }, + lchown: { + fn: "fsp.lchown", + params: [STRING, F64, F64], + result: { kind: "promise", inner: VOID }, + valueParams: exactValueParams(STRING, F64, F64), + }, + // access' omitted mode and truncate's omitted len complete to 0 in + // lowerBuiltinModuleCall, like their sync spellings. + access: { fn: "fsp.access", params: [STRING, F64], result: { kind: "promise", inner: VOID } }, + truncate: { + fn: "fsp.truncate", + params: [STRING, F64], + result: { kind: "promise", inner: VOID }, + }, + // String data; Uint8Array/Buffer data routes to fsp.appendFileBytes in + // lowerBuiltinModuleCall. + appendFile: { + fn: "fsp.appendFile", + params: [STRING, STRING], + result: { kind: "promise", inner: VOID }, + }, + // The 2-argument form only, like copyFileSync. + copyFile: { + fn: "fsp.copyFile", + params: [STRING, STRING], + result: { kind: "promise", inner: VOID }, + }, + mkdtemp: { fn: "fsp.mkdtemp", params: [STRING], result: { kind: "promise", inner: STRING } }, + rmdir: { fn: "fsp.rmdir", params: [STRING], result: { kind: "promise", inner: VOID } }, + link: { + fn: "fsp.link", + params: [DYN, DYN], + result: { kind: "promise", inner: VOID }, + valueParams: exactValueParams(DYN, DYN), + }, + cp: { + fn: "fsp.cp", + params: [DYN, DYN, DYN], + result: { kind: "promise", inner: VOID }, + valueParams: [ + ...exactValueParams(DYN, DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + symlink: { + fn: "fsp.symlink", + params: [DYN, DYN, DYN], + result: { kind: "promise", inner: VOID }, + valueParams: [ + ...exactValueParams(DYN, DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + readlink: { + fn: "fsp.readlink", + params: [DYN, DYN], + result: { kind: "promise", inner: DYN }, + valueParams: [ + ...exactValueParams(DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + statfs: { + fn: "fsp.statfs", + params: [DYN, DYN], + result: { kind: "promise", inner: DYN }, + valueParams: [ + ...exactValueParams(DYN), + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + utimes: { + fn: "fsp.utimes", + params: [DYN, DYN, DYN], + result: { kind: "promise", inner: VOID }, + }, + lutimes: { + fn: "fsp.lutimes", + params: [DYN, DYN, DYN], + result: { kind: "promise", inner: VOID }, + }, + rename: { + fn: "fsp.rename", + params: [STRING, STRING], + result: { kind: "promise", inner: VOID }, + valueParams: exactValueParams(STRING, STRING), + }, + // open's optional flags/mode completion is special-cased in + // lowerBuiltinModuleCall; this row routes all import spellings and + // gives coverage the static member. + open: { + fn: "fsp.open", + params: [STRING, STRING, F64], + result: { kind: "promise", inner: FILEHANDLE_T }, + valueParams: [ + { mode: "required", type: STRING }, + { mode: "optional", type: STRING, defaultValue: "r" }, + { mode: "optional", type: F64, defaultValue: 0o666 }, + ], + }, + }, + // The bare module's POSIX-target binding; a win32 target rebinds it to + // the win32 table (builtinModuleFnsOf — Node on Windows IS path.win32). + path: PATH_MODULE_FNS, + // Real Node modules ("node:path/posix" resolves), and the receivers of + // `path.posix.` / `path.win32.` through the namespace + // chain (builtinNamespaceModuleOf composes "path" + ".posix" to these + // keys). Both namespaces carry the FULL surface on every platform, + // Node's own rule: each answers its own platform's semantics anywhere. + "path/posix": PATH_MODULE_FNS, + "path/win32": PATH_WIN32_MODULE_FNS, + os: { + // One platform implementation: os.platform() === process.platform. + platform: { fn: "process.platform", params: [], result: STRING, valueParams: [] }, + homedir: { fn: "os.homedir", params: [], result: STRING, valueParams: [] }, + tmpdir: { fn: "os.tmpdir", params: [], result: STRING, valueParams: [] }, + // uname(2)'s release field — Node's own implementation. + release: { fn: "os.release", params: [], result: STRING, valueParams: [] }, + // uname(2)'s sysname field ("Darwin", "Linux", "Windows_NT") — the + // libFn/runtime pair predates this entry (the portless surface used + // them); this row makes the MODULE call reach them (test/common's + // isAIX/isIBMi getters are the canonical callers). + type: { fn: "os.type", params: [], result: STRING, valueParams: [] }, + // Total physical memory in bytes — same predating-pair story. + totalmem: { fn: "os.totalmem", params: [], result: F64, valueParams: [] }, + // uv_available_parallelism: the CPUs this process may use (affinity, + // then cgroup quota on Linux), at least 1. + availableParallelism: { + fn: "os.availableParallelism", + params: [], + result: F64, + valueParams: [], + }, + // os.arch() IS process.arch, like platform(). + arch: { fn: "process.arch", params: [], result: STRING, valueParams: [] }, + hostname: { fn: "os.hostname", params: [], result: STRING, valueParams: [] }, + // uv_os_uname's machine and version fields, read once at module load + // in Node (they never change while a process runs). + machine: { fn: "os.machine", params: [], result: STRING, valueParams: [] }, + version: { fn: "os.version", params: [], result: STRING, valueParams: [] }, + endianness: { fn: "os.endianness", params: [], result: STRING, valueParams: [] }, + freemem: { fn: "os.freemem", params: [], result: F64, valueParams: [] }, + uptime: { fn: "os.uptime", params: [], result: F64, valueParams: [] }, + loadavg: { fn: "os.loadavg", params: [], result: arrayOf(F64), valueParams: [] }, + // An omitted (or undefined) pid is 0, the current process + // (lowerOsGetPriorityCall completes it). + getPriority: { + fn: "os.getPriority", + params: [F64], + result: F64, + valueParams: [{ mode: "optional", type: F64, defaultValue: 0 }], + }, + // A one-argument call is setPriority(0, priority) + // (lowerOsSetPriorityCall completes it). + setPriority: { fn: "os.setPriority", params: [F64, F64], result: VOID }, + // Special-cased (lowerOsCpusCall): the call site's CpuInfo[] assembles + // from one uv_cpu_info snapshot. + cpus: { fn: "os.cpusTake", params: [], result: VOID }, + // Entirely special-cased (lowerOsNetworkInterfacesCall): the result is + // the call site's mapped Dict shape, verified + // structurally there — this entry only routes the dispatch. + networkInterfaces: { fn: "os.networkInterfaces", params: [], result: VOID }, + // Special-cased too (lowerOsUserInfoCall): the call site's mapped + // UserInfo record assembles field-by-field from scalar libCalls. + userInfo: { fn: "os.userName", params: [], result: VOID }, + }, + crypto: { + randomUUID: { + fn: "crypto.randomUUID", + params: [], + result: STRING, + // As a value (uuid's `export default { randomUUID }`), the optional + // options argument goes through the validating entry point. + valueFn: "crypto.randomUUIDOpts", + valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], + }, + // A real Buffer result. The composed randomBytes(n).toString(enc) + // form KEEPS its one-libCall lowering (lowerCryptoComposedCall runs + // first and the Buffer never materializes there); this entry covers + // the bare calls and non-composed uses. + randomBytes: { + fn: "crypto.randomBytes", + params: [F64], + result: BYTES_U8, + valueParams: exactValueParams(F64), + }, + // The crypto utility surface is special-cased for overloads and + // string/Buffer splits in lowerCryptoModuleCall. These rows carry the + // canonical signatures for manifest projection and fallback dispatch. + createHash: { fn: "crypto.hashNew", params: [STRING], result: CRYPTOHASH_T }, + createHmac: { fn: "crypto.hmacNewStr", params: [STRING, STRING], result: CRYPTOHMAC_T }, + hash: { fn: "crypto.hashDigestStr", params: [STRING, STRING, STRING], result: STRING }, + timingSafeEqual: { fn: "crypto.timingSafeEqual", params: [BYTES_U8, BYTES_U8], result: BOOL }, + randomFillSync: { fn: "crypto.randomFill", params: [BYTES_U8, F64, F64], result: BYTES_U8 }, + getRandomValues: { fn: "crypto.getRandomValues", params: [BYTES_U8], result: BYTES_U8 }, + randomInt: { fn: "crypto.randomInt", params: [F64, F64], result: F64 }, + randomFill: { fn: "crypto.randomFillCb", params: [], result: VOID }, + randomUUIDv7: { + fn: "crypto.randomUUIDv7", + params: [DYN], + result: STRING, + valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], + }, + createSecretKey: { fn: "crypto.createSecretKey", params: [DYN, DYN], result: DYN }, + generateKeySync: { fn: "crypto.generateKeySync", params: [DYN, DYN], result: DYN }, + generateKey: { fn: "crypto.generateKeyCb", params: [], result: VOID }, + // Asymmetric keys and signatures (lowerPkiCall): checked-dynamic + // arguments, results converted to the call site's type. + createPrivateKey: { fn: "crypto.createPrivateKey", params: [DYN], result: DYN }, + createPublicKey: { fn: "crypto.createPublicKey", params: [DYN], result: DYN }, + createSign: { fn: "crypto.createSign", params: [DYN], result: DYN }, + createVerify: { fn: "crypto.createVerify", params: [DYN], result: DYN }, + generateKeyPairSync: { fn: "crypto.generateKeyPairSync", params: [], result: DYN }, + generateKeyPair: { fn: "crypto.generateKeyPairCb", params: [], result: VOID }, + sign: { fn: "crypto.signOneshot", params: [], result: DYN }, + verify: { fn: "crypto.verifyOneshot", params: [], result: DYN }, + diffieHellman: { fn: "crypto.diffieHellman", params: [], result: DYN }, + pbkdf2Sync: { + fn: "crypto.pbkdf2", + params: [BYTES_U8, BYTES_U8, F64, F64, STRING], + result: BYTES_U8, + }, + pbkdf2: { fn: "crypto.pbkdf2Cb", params: [], result: VOID }, + hkdfSync: { + fn: "crypto.hkdf", + params: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64], + result: DYN, + }, + hkdf: { fn: "crypto.hkdfCb", params: [], result: VOID }, + scryptSync: { fn: "crypto.scrypt", params: [BYTES_U8, BYTES_U8, F64, DYN], result: BYTES_U8 }, + scrypt: { fn: "crypto.scryptCb", params: [], result: VOID }, + // Checked-dynamic arguments; the result is a native Cipheriv or + // Decipheriv handle (lowerCryptoModuleCall). + createCipheriv: { fn: "crypto.cipherNew", params: [BOOL, DYN, DYN, DYN, DYN], result: DYN }, + createDecipheriv: { fn: "crypto.cipherNew", params: [BOOL, DYN, DYN, DYN, DYN], result: DYN }, + // A checked-dynamic curve name; the result is a native ECDH handle + // (lowerCreateEcdh). + createECDH: { fn: "crypto.ecdhNew", params: [DYN], result: DYN }, + // Checked-dynamic arguments; the result is a native DiffieHellman or + // DiffieHellmanGroup handle (lowerCreateDiffieHellman and + // lowerGetDiffieHellman). + createDiffieHellman: { fn: "crypto.dhNew", params: [DYN, DYN, DYN, DYN], result: DYN }, + getDiffieHellman: { fn: "crypto.dhGroupNew", params: [DYN], result: DYN }, + createDiffieHellmanGroup: { fn: "crypto.dhGroupNew", params: [DYN], result: DYN }, + // Prime checks and generation (lowerPrimeCall): checked-dynamic + // arguments, results converted to the call site's type. + checkPrimeSync: { fn: "crypto.checkPrimeSync", params: [], result: DYN }, + // Checked-dynamic arguments, the result converted to the call site's + // type (lowerPrimeCall). + getCipherInfo: { fn: "crypto.getCipherInfo", params: [], result: DYN }, + checkPrime: { fn: "crypto.checkPrimeCb", params: [], result: VOID }, + generatePrimeSync: { fn: "crypto.generatePrimeSync", params: [], result: DYN }, + generatePrime: { fn: "crypto.generatePrimeCb", params: [], result: VOID }, + }, + zlib: { + // The default-options convenience family is special-cased in + // lowerBuiltinModuleCall: string inputs UTF-8 encode, callback forms + // carry program-shaped closures, and explicit options fence per site. + // native-toolchain.ts links libz only when these appear on the IR. + deflate: { fn: "zlib.deflateCb", params: [], result: VOID }, + deflateSync: { fn: "zlib.deflateSync", params: [BYTES_U8], result: BYTES_U8 }, + inflate: { fn: "zlib.inflateCb", params: [], result: VOID }, + inflateSync: { fn: "zlib.inflateSync", params: [BYTES_U8], result: BYTES_U8 }, + deflateRaw: { fn: "zlib.deflateRawCb", params: [], result: VOID }, + deflateRawSync: { fn: "zlib.deflateRawSync", params: [BYTES_U8], result: BYTES_U8 }, + inflateRaw: { fn: "zlib.inflateRawCb", params: [], result: VOID }, + inflateRawSync: { fn: "zlib.inflateRawSync", params: [BYTES_U8], result: BYTES_U8 }, + gzip: { fn: "zlib.gzipCb", params: [], result: VOID }, + gzipSync: { fn: "zlib.gzipSync", params: [BYTES_U8], result: BYTES_U8 }, + gunzip: { fn: "zlib.gunzipCb", params: [], result: VOID }, + gunzipSync: { fn: "zlib.gunzipSync", params: [BYTES_U8], result: BYTES_U8 }, + unzip: { fn: "zlib.unzipCb", params: [], result: VOID }, + unzipSync: { fn: "zlib.unzipSync", params: [BYTES_U8], result: BYTES_U8 }, + crc32: { fn: "zlib.crc32", params: [], result: F64 }, + // Brotli (special-cased in lowerZlibModuleCall): every form takes the + // options entries with Node's BROTLI_ENCODE or BROTLI_DECODE mode. + brotliCompress: { fn: "zlib.cbOpts", params: [], result: VOID }, + brotliCompressSync: { fn: "zlib.syncOpts", params: [], result: BYTES_U8 }, + brotliDecompress: { fn: "zlib.cbOpts", params: [], result: VOID }, + brotliDecompressSync: { fn: "zlib.syncOpts", params: [], result: BYTES_U8 }, + // The stream factories (special-cased in lowerZlibModuleCall): each + // answers a runtime Transform stream over the zlib engine. + createDeflate: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createInflate: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createGzip: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createGunzip: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createDeflateRaw: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createInflateRaw: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createUnzip: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createBrotliCompress: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + createBrotliDecompress: { fn: "zlib.streamNew", params: [], result: ZLIB_STREAM }, + }, + url: { + fileURLToPath: { + fn: "url.fileURLToPathOptions", + params: [DYN, DYN], + result: STRING, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + fileURLToPathBuffer: { + fn: "url.fileURLToPathBuffer", + params: [DYN, DYN], + result: BYTES_U8, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + pathToFileURL: { + fn: "url.pathToFileURLChecked", + params: [DYN, DYN], + result: URL_T, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + // The legacy API and the domain pair (lowerLegacyUrlCall): arguments + // cross as dyn values for Node's own validators; url.parse() answers + // the checked-dynamic Url instance. + parse: { fn: "url.legacyParse", params: [DYN, DYN, DYN], result: DYN }, + format: { fn: "url.legacyFormat", params: [DYN, DYN], result: STRING }, + resolve: { fn: "url.legacyResolve", params: [DYN, DYN], result: STRING }, + domainToASCII: { fn: "url.domainToASCII", params: [DYN], result: STRING }, + domainToUnicode: { fn: "url.domainToUnicode", params: [DYN], result: STRING }, + urlToHttpOptions: { fn: "url.toHttpOptions", params: [DYN], result: DYN }, + }, + child_process: { + // spawnSync's and spawn's call completions are entirely special-cased + // (an omitted args list completes to an empty string[]; spawnSync + // accepts its documented literal options, while spawn supports the + // stdio/detached/env/cwd/windowsHide/shell subset — see + // lowerBuiltinModuleCall); the + // entries carry the canonical shapes. + spawnSync: { fn: "cp.spawnSync", params: [STRING, arrayOf(STRING)], result: SPAWNRES_T }, + spawn: { fn: "cp.spawn", params: [STRING, arrayOf(STRING)], result: CHILD_T }, + fork: { fn: "cp.fork", params: [STRING, arrayOf(STRING)], result: CHILD_T }, + // execFileSync(file, args?, options?) and execSync(command, options?) + // share the cp.execSync runtime entry (execSync sets the shell flag); + // both call completions are special-cased in lowerBuiltinModuleCall. + // The entries carry canonical shapes for the coverage/fence machinery. + execFileSync: { fn: "cp.execSync", params: [STRING, arrayOf(STRING)], result: STRING }, + execSync: { fn: "cp.execSync", params: [STRING], result: STRING }, + }, + // node:util lowers through dedicated paths: promisify + // only in the const-binding-over-execFile shape — recognized in + // lowerVarDecl / collectGlobals BEFORE any call lowering runs — and + // inspect/format/formatWithOptions plus parseArgs through the util spoke + // (lower-inspect.ts: per-type synthesized traversal helpers, + // compile-time format strings and the runtime formatter for the others, + // checked-dynamic config/result for + // parseArgs), which both dispatch paths try before the generic table. + // parseArgs is tabled as well so the generated surface manifest records + // the dedicated static member; the spoke owns its optional arity and + // call-site-specific result type before this canonical signature is used. + util: { + styleText: { + fn: "util.styleText", + params: [DYN, DYN, DYN], + result: STRING, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + isDeepStrictEqual: { + fn: "util.isDeepStrictEqual", + params: [DYN, DYN, DYN], + result: BOOL, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + parseArgs: { fn: "util.parseArgs", params: [DYN], result: DYN }, + aborted: { + fn: "util.aborted", + params: [DYN, DYN], + result: DYN, + valueParams: [ + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + diff: { + fn: "util.diff", + params: [DYN, DYN], + result: DYN, + valueParams: [ + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + debounce: { + fn: "util.debounce", + params: [DYN, DYN, DYN], + result: DYN, + valueParams: [ + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + throttle: { + fn: "util.throttle", + params: [DYN, DYN, DYN, DYN], + result: DYN, + valueParams: [ + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + convertProcessSignalToExitCode: { + fn: "util.signalExitCode", + params: [DYN], + result: F64, + valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], + }, + // The deprecated helpers report DEP0044 and DEP0060 on their first call. + isArray: { + fn: "util.isArrayDeprecated", + params: [DYN], + result: BOOL, + valueParams: [{ mode: "optional", type: DYN, defaultValue: undefined }], + }, + _extend: { + fn: "util.extend", + params: [DYN, DYN], + result: DYN, + valueParams: [ + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + parseEnv: { fn: "util.parseEnv", params: [DYN], result: DYN }, + getSystemErrorName: { + fn: "util.getSystemErrorName", + params: [DYN], + result: STRING, + valueParams: exactValueParams(DYN), + }, + getSystemErrorMessage: { + fn: "util.getSystemErrorMessage", + params: [DYN], + result: STRING, + valueParams: exactValueParams(DYN), + }, + getSystemErrorMap: { fn: "util.systemErrorEntries", params: [], result: DYN }, + stripVTControlCharacters: { + fn: "util.stripVTControlCharacters", + params: [DYN], + result: STRING, + valueParams: exactValueParams(DYN), + }, + toUSVString: { + fn: "util.toUSVString", + params: [DYN], + result: STRING, + valueParams: exactValueParams(DYN), + }, + // The function helpers take checked-dynamic arguments and answer native + // dyn functions, which a static function slot checks when it receives + // one (lowerUtilCallableCall in the util spoke). + inherits: { + fn: "util.inherits", + params: [DYN, DYN], + result: VOID, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "required", type: DYN }, + ], + }, + deprecate: { + fn: "util.deprecate", + params: [DYN, DYN, DYN, DYN], + result: DYN, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + callbackify: { + fn: "util.callbackify", + params: [DYN], + result: DYN, + valueParams: [{ mode: "required", type: DYN }], + }, + debuglog: { + fn: "util.debuglog", + params: [DYN, DYN], + result: DYN, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + debug: { + fn: "util.debuglog", + params: [DYN, DYN], + result: DYN, + valueParams: [ + { mode: "required", type: DYN }, + { mode: "optional", type: DYN, defaultValue: undefined }, + ], + }, + }, + // The util/types spoke supplies the probe name to the shared brand check. + "util/types": { + isAnyArrayBuffer: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isArrayBuffer: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isArrayBufferView: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isDataView: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isTypedArray: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isUint8Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isUint8ClampedArray: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isUint16Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isUint32Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isInt8Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isInt16Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isInt32Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isFloat32Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isFloat64Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isMap: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isSet: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isWeakMap: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isWeakSet: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isRegExp: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isNativeError: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isPromise: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isProxy: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isAsyncFunction: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isGeneratorFunction: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isGeneratorObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isDate: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isSharedArrayBuffer: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isMapIterator: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isSetIterator: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isKeyObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isNumberObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isStringObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isBooleanObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isBigIntObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isSymbolObject: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isBoxedPrimitive: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isBigInt64Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isBigUint64Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isFloat16Array: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isCryptoKey: { fn: "util.typeIs", params: [DYN], result: BOOL }, + isExternal: { fn: "util.typeIs", params: [DYN], result: BOOL }, + }, + buffer: { + isAscii: { fn: "buffer.isAscii", params: [DYN], result: BOOL }, + isUtf8: { fn: "buffer.isUtf8", params: [DYN], result: BOOL }, + transcode: { fn: "buffer.transcode", params: [DYN, DYN, DYN], result: BYTES_U8 }, + }, + tty: { + isatty: { fn: "process.isTTY", params: [F64], result: BOOL }, + }, + process: { + loadEnvFile: { fn: "process.loadEnvFile", params: [DYN], result: VOID }, + }, + // node:string_decoder's surface is the StringDecoder CLASS — new/write/ + // end are special-cased (lowerNew + lowerStringDecoderMethodCall); no + // function members exist to table. + string_decoder: {}, + // node:querystring — the legacy query-string codec (NOT URLSearchParams; + // the escaping and '+' rules differ). escape/unescape ride the table + // path directly; parse and stringify are special-cased in + // lowerBuiltinModuleCall (parse's result is the call site's mapped + // ParsedUrlQuery dictionary — the networkInterfaces verification stance + // — and its sep/eq/options complete there; stringify's object argument + // crosses as a dyn value). decode/encode are Node's own aliases of + // parse/stringify (`const decode = parse` in lib/querystring.js) and + // route to the same special cases; the entries carry canonical shapes. + querystring: { + parse: { fn: "qs.parse", params: [STRING], result: VOID }, + decode: { fn: "qs.parse", params: [STRING], result: VOID }, + stringify: { fn: "qs.stringify", params: [DYN], result: STRING }, + encode: { fn: "qs.stringify", params: [DYN], result: STRING }, + escape: { + fn: "qs.escape", + params: [STRING], + result: STRING, + valueParams: [{ mode: "required", type: STRING }], + }, + unescape: { + fn: "qs.unescape", + params: [STRING], + result: STRING, + valueParams: [{ mode: "required", type: STRING }], + }, + }, + // node:punycode (deprecated): punycode.js 2.1.0's conversions over + // strings (scr_url.c). ucs2.decode/encode are members of the module's + // ucs2 object, dispatched as module members (builtinMemberOf). The + // DEP0040 report rides the module's load sites (punycodeLoadWarning). + punycode: { + decode: { fn: "punycode.decode", params: [STRING], result: STRING }, + encode: { fn: "punycode.encode", params: [STRING], result: STRING }, + toASCII: { fn: "punycode.toASCII", params: [STRING], result: STRING }, + toUnicode: { fn: "punycode.toUnicode", params: [STRING], result: STRING }, + "ucs2.decode": { fn: "punycode.ucs2Decode", params: [STRING], result: arrayOf(F64) }, + "ucs2.encode": { fn: "punycode.ucs2Encode", params: [arrayOf(F64)], result: STRING }, + }, + // node:constants (deprecated) is one frozen object (Object.assign of + // os.constants' groups, fs.constants and crypto.constants): bindings of + // the module read it as a checked-dynamic value (builtinConstantsObject). + constants: {}, + // node:readline: createInterface's options are entirely special-cased + // (exactly { input: process.stdin, output?: process.stdout } — see + // lowerBuiltinModuleCall); the entry carries the canonical shape. The + // interface's question/close/on lower through + // lowerReadlineMethodCall. + readline: { + createInterface: { fn: "rl.create", params: [], result: F64 }, + }, + // node:readline/promises: the same Interface with the promise question + // (lowerReadlineMethodCall tells the forms apart by the call's result). + "readline/promises": { + createInterface: { fn: "rl.create", params: [], result: F64 }, + }, + // node:net and node:http lower ENTIRELY through the server spoke + // (lower-server.ts — every call shape is special-cased: closures, the + // optional connect host, writeHead's literal headers); the member list + // is the lower-server dispatch there. The modules still need keys here so future + // table entries have a home, and so the "recognized module, unlowered + // member" fence wording applies. + net: { + // The process-wide happy-eyeballs attempt budget: one runtime double + // in the core unit (never links scr_net.c by itself), default 250ms + // like Node's. + getDefaultAutoSelectFamilyAttemptTimeout: { + fn: "net.getAutoSelTimeout", + params: [], + result: F64, + }, + setDefaultAutoSelectFamilyAttemptTimeout: { + fn: "net.setAutoSelTimeout", + params: [F64], + result: VOID, + }, + // Node's IPv4Reg / IPv6Reg tests over String(input). + isIP: { fn: "net.isIP", params: [DYN], result: F64 }, + isIPv4: { fn: "net.isIPv4", params: [DYN], result: BOOL }, + isIPv6: { fn: "net.isIPv6", params: [DYN], result: BOOL }, + }, + http: {}, + // node:tls and node:https ride the same spoke (tls.createServer's + // options + secureConnection handler, https.createServer, and the + // https client's rejectUnauthorized/ca options are all special-cased + // in lower-server.ts). + tls: {}, + https: {}, + // node:dgram and node:dns lower ENTIRELY through the dgram spoke + // (lower-dgram.ts — createSocket's option literal, dns.lookup's + // options + callback, and the Socket method surface are all + // special-cased); the keys exist for the same reason net/http's do. + dgram: {}, + dns: {}, + // node:dns/promises rides the same spoke (lookup's promise form). + "dns/promises": {}, + // node:v8: getHeapStatistics answers allocator-derived figures in + // Node's shape (builtins/v8.ts — the entry carries the canonical + // shape); every other member fences with the by-design reason + // (builtinFenceHintOf). + v8: { + getHeapStatistics: { fn: "process.memoryUsageTake", params: [], result: VOID }, + }, + // node:stream/web re-exports the web stream globals (the same objects); + // its members lower through the globals' own paths. + "stream/web": {}, + // node:assert lowers ENTIRELY through the assert spoke (lower-assert.ts + // — every call shape is special-cased: optional messages complete, the + // comparisons pick per-type libCalls, deep equality synthesizes + // helpers); the keys exist so unlowered members fence module-qualified + // with the hints below. + assert: {}, + "assert/strict": {}, + // node:test lowers ENTIRELY through the test spoke (lower-test.ts — + // registrations, suites, hooks, the TestContext surface); the key + // exists so unlowered members fence module-qualified. + test: {}, + // node:stream/promises lowers through the stream spoke too + // (lower-stream.ts — finished/pipeline's promise forms special-case + // their stream arguments exactly like the callback forms); the key + // exists so unlowered members fence module-qualified. + "stream/promises": {}, + // node:stream/consumers rides the stream spoke as well (text/json/ + // buffer/arrayBuffer special-case their stream argument); blob fences + // module-qualified with the pointed hint below. + "stream/consumers": {}, + // node:timers/promises — the delay-only setTimeout and bare setImmediate + // (void promises the shared timer heap settles), and scheduler.wait / + // scheduler.yield, which Node defines as setTimeout(delay, undefined, + // options) and setImmediate(). The arity completion (omitted delay = + // Node's 1ms) and the value/options fences are special-cased in + // lowerBuiltinModuleCall; these entries carry the canonical shapes and + // route the dispatch. + "timers/promises": { + setTimeout: { fn: "tp.setTimeout", params: [F64], result: { kind: "promise", inner: VOID } }, + setImmediate: { fn: "tp.setImmediate", params: [], result: { kind: "promise", inner: VOID } }, + "scheduler.wait": { + fn: "tp.setTimeout", + params: [F64], + result: { kind: "promise", inner: VOID }, + }, + "scheduler.yield": { + fn: "tp.setImmediate", + params: [], + result: { kind: "promise", inner: VOID }, + }, + }, + // node:diagnostics_channel — the pub/sub core. channel() answers an f64 + // handle (type-mapper.ts maps Channel to F64); the subscriber arguments box + // into the checked-dynamic tree (special-cased in lowerBuiltinModuleCall — the entries + // carry canonical shapes and route the dispatch). The Channel method + // surface lowers through lowerDiagnosticsChannelMethodCall/lowerDiagnosticsChannelProperty. + diagnostics_channel: { + channel: { fn: "dc.channel", params: [STRING], result: F64 }, + subscribe: { fn: "dc.subscribe", params: [STRING, DYN], result: VOID }, + unsubscribe: { fn: "dc.unsubscribe", params: [STRING, DYN], result: BOOL }, + hasSubscribers: { fn: "dc.hasSubscribers", params: [STRING], result: BOOL }, + // The string form's canonical shape; the collection form (an object + // literal of five Channels) is special-cased in lowerBuiltinModuleCall. + tracingChannel: { fn: "dc.tracingChannel", params: [STRING], result: F64 }, + }, + }; +} /** Builtin-module CONSTANTS (value reads of named imports): each lowers to * a literal of its value's kind. The bare-module values are the TARGET @@ -2142,7 +2161,7 @@ export const BUILTIN_MODULE_CONSTS: Record< * the sidecar's determinism attestation demotes on them by prefix, so the * member's fence detector must witness them too (fencing one spelling * fences the operation, the trimLeft/trimStart rule). Keyed like - * BUILTIN_MODULE_FNS; consumed by the fence taxonomy + * builtinModuleFns(); consumed by the fence taxonomy * (library/fence-eval.ts) and the attestation-parity test. */ export const BUILTIN_MODULE_FN_ALIASES: Record< string, @@ -2294,628 +2313,643 @@ export interface AmbientSurfaceRow { note?: string; } -export const AMBIENT_SURFACE_FNS: readonly AmbientSurfaceRow[] = [ - { - id: "node-builtin.worker_threads.Worker", - kind: "node-builtin", - name: "worker_threads.Worker", - fns: ["worker.new"], - note: "native threads with statically compiled entry points, workerData, argv and message events", - }, - { - id: "node-builtin.worker_threads.metadata", - kind: "node-builtin", - name: "worker_threads metadata", - fns: [ - "worker.isMainThread", - "worker.threadId", - "worker.data", - "worker.parentPort", - "worker.resourceLimits", - "worker.threadName", - ], - note: "current-thread metadata and the worker's parent message port", - }, - { - id: "stdlib.sharedArrayBuffer", - kind: "stdlib", - name: "SharedArrayBuffer", - fns: ["sharedArrayBuffer.new"], - note: "fixed shared storage with context-local typed-array and DataView wrappers", - }, - { - id: "stdlib.blob", - kind: "stdlib", - name: "Blob", - fns: ["blob.new", "blob.slice", "blob.text", "blob.bytes", "blob.arrayBuffer", "blob.is"], - note: "immutable bytes with size, type, slice(), text(), bytes(), arrayBuffer() and structured cloning", - }, - { - id: "stdlib.file", - kind: "stdlib", - name: "File", - fns: ["blob.fileNew"], - note: "a Blob with name and lastModified (Date.now() when absent)", - }, - { - id: "stdlib.webcrypto.subtle", - kind: "stdlib", - name: "globalThis.crypto.subtle", - fns: [ - "webcrypto.generateKey", - "webcrypto.importKey", - "webcrypto.exportKey", - "webcrypto.encrypt", - "webcrypto.decrypt", - "webcrypto.wrapKey", - "webcrypto.unwrapKey", - "webcrypto.deriveBits", - "webcrypto.deriveKey", - "webcrypto.sign", - "webcrypto.verify", - "webcrypto.digest", - ], - note: "importKey, generateKey and exportKey (raw and jwk) for HMAC and AES keys, importKey for PBKDF2 and HKDF keys, AES-GCM, AES-CBC and AES-CTR encrypt and decrypt, wrapKey and unwrapKey of secret keys with AES-KW or those ciphers, PBKDF2 and HKDF deriveBits and deriveKey, HMAC sign and verify, generateKey, importKey, exportKey, sign and verify for ECDSA, Ed25519, RSASSA-PKCS1-v1_5 and RSA-PSS, and SHA-1/SHA-2 digest; other methods, algorithms and key formats are refused", - }, - { - id: "stdlib.webcrypto.CryptoKey", - kind: "stdlib", - name: "CryptoKey", - fns: ["webcrypto.isCryptoKey"], - note: "secret HMAC, AES, PBKDF2 and HKDF keys with type, extractable, algorithm and usages, and instanceof CryptoKey", - }, - { - id: "stdlib.atomics", - kind: "stdlib", - name: "Atomics", - fns: ["atomics.op", "atomics.wait", "atomics.notify"], - note: "8-, 16- and 32-bit integer operations, plus Int32Array wait and notify", - }, - { - id: "node-builtin.fs.callbacks", - kind: "node-builtin", - name: "fs error-first callbacks", - fns: ["fs.callbackValue", "fs.callbackCall", "fs.callbackGlob"], - note: "native filesystem callbacks, including stored platform adapter functions", - }, - // ── the Date slice (lowerDateCall/lowerNew): statics, construction, - // stored read-only values, calendar getters, and ISO formatting. - { - id: "stdlib.date.now", - kind: "stdlib", - name: "Date.now", - fns: ["date.now"], - note: "the live clock", - }, - { - id: "stdlib.date.parse", - kind: "stdlib", - name: "Date.parse", - fns: ["date.parse"], - note: "one date string, using V8's date parser shared with new Date(dateString)", - }, - { - id: "stdlib.date.constructor", - kind: "stdlib", - name: "Date constructor", - fns: [ - "date.newNow", - "date.newMs", - "date.newString", - "date.nativeNew", - "date.newLocal", - "date.nativeNewFields", - "date.nativeNewValue", - "date.argumentsTime", - "date.classOperation", - ], - note: "zero arguments, one milliseconds/date-string argument, or local-time year/month fields; values are the read-only TimeClip scalar slice", - }, - { - id: "stdlib.date.setters", - kind: "stdlib", - name: "Date.prototype setters", - fns: ["date.setFields", "date.timeClip", "date.store"], - note: "setTime and the local and UTC field setters, with their optional arguments", - }, - { - id: "stdlib.date.UTC", - kind: "stdlib", - name: "Date.UTC", - fns: ["date.utc"], - note: "the lowered call form takes 1 to 7 number arguments", - }, - { - id: "stdlib.date.getTime", - kind: "stdlib", - name: "Date.prototype.getTime", - fns: ["date.getTime", "date.parseGetTime"], - note: "the millisecond value of a stored Date", - }, - { - id: "stdlib.date.valueOf", - kind: "stdlib", - name: "Date.prototype.valueOf", - fns: ["date.valueOf"], - note: "the same millisecond read as getTime()", - }, - { - id: "stdlib.date.toISOString", - kind: "stdlib", - name: "Date.prototype.toISOString", - fns: ["date.toISOString", "date.toISOStringValue"], - note: "UTC ISO formatting over constructed and stored Date values", - }, - { - id: "stdlib.date.toUTCString", - kind: "stdlib", - name: "Date.prototype.toUTCString", - fns: ["date.toUTCString"], - note: "RFC 7231 IMF-fixdate formatting over stored Date values", - }, - { - id: "stdlib.date.getFullYear", - kind: "stdlib", - name: "Date.prototype.getFullYear", - fns: ["date.getFullYear"], - }, - { - id: "stdlib.date.getUTCFullYear", - kind: "stdlib", - name: "Date.prototype.getUTCFullYear", - fns: ["date.getUTCFullYear"], - }, - { - id: "stdlib.date.getMonth", - kind: "stdlib", - name: "Date.prototype.getMonth", - fns: ["date.getMonth"], - }, - { - id: "stdlib.date.getUTCMonth", - kind: "stdlib", - name: "Date.prototype.getUTCMonth", - fns: ["date.getUTCMonth"], - }, - { - id: "stdlib.date.getDate", - kind: "stdlib", - name: "Date.prototype.getDate", - fns: ["date.getDate"], - }, - { - id: "stdlib.date.getUTCDate", - kind: "stdlib", - name: "Date.prototype.getUTCDate", - fns: ["date.getUTCDate"], - }, - { id: "stdlib.date.getDay", kind: "stdlib", name: "Date.prototype.getDay", fns: ["date.getDay"] }, - { - id: "stdlib.date.getUTCDay", - kind: "stdlib", - name: "Date.prototype.getUTCDay", - fns: ["date.getUTCDay"], - }, - { - id: "stdlib.date.getHours", - kind: "stdlib", - name: "Date.prototype.getHours", - fns: ["date.getHours"], - }, - { - id: "stdlib.date.getUTCHours", - kind: "stdlib", - name: "Date.prototype.getUTCHours", - fns: ["date.getUTCHours"], - }, - { - id: "stdlib.date.getMinutes", - kind: "stdlib", - name: "Date.prototype.getMinutes", - fns: ["date.getMinutes"], - }, - { - id: "stdlib.date.getUTCMinutes", - kind: "stdlib", - name: "Date.prototype.getUTCMinutes", - fns: ["date.getUTCMinutes"], - }, - { - id: "stdlib.date.getSeconds", - kind: "stdlib", - name: "Date.prototype.getSeconds", - fns: ["date.getSeconds"], - }, - { - id: "stdlib.date.getUTCSeconds", - kind: "stdlib", - name: "Date.prototype.getUTCSeconds", - fns: ["date.getUTCSeconds"], - }, - { - id: "stdlib.date.getMilliseconds", - kind: "stdlib", - name: "Date.prototype.getMilliseconds", - fns: ["date.getMilliseconds"], - }, - { - id: "stdlib.date.getUTCMilliseconds", - kind: "stdlib", - name: "Date.prototype.getUTCMilliseconds", - fns: ["date.getUTCMilliseconds"], - }, - { - id: "stdlib.date.getTimezoneOffset", - kind: "stdlib", - name: "Date.prototype.getTimezoneOffset", - fns: ["date.getTimezoneOffset"], - }, - { - id: "stdlib.date.toString", - kind: "stdlib", - name: "Date.prototype.toString", - fns: ["date.toString"], - note: "local time with the host zone's long English name; String(date) and template literals use it", - }, - { - id: "stdlib.date.toDateString", - kind: "stdlib", - name: "Date.prototype.toDateString", - fns: ["date.toDateString"], - }, - { - id: "stdlib.date.toTimeString", - kind: "stdlib", - name: "Date.prototype.toTimeString", - fns: ["date.toTimeString"], - }, - // ── perf_hooks (lowerPerfHooksCall): the monotonic clock. - { - id: "node-builtin.perf_hooks.performance.now", - kind: "node-builtin", - name: "perf_hooks.performance.now", - fns: ["perf.now"], - note: "the global performance object and the performance.now.bind(performance) function value reach the same clock", - }, - { - id: "node-builtin.perf_hooks.performance.mark", - kind: "node-builtin", - name: "perf_hooks.performance.mark", - fns: [ - "perf.mark", - "perf.entryName", - "perf.entryType", - "perf.entryStart", - "perf.entryDuration", - "perf.entryDetail", - "perf.entryKeep", - "perf.entryRef", - ], - note: "records a mark in the thread's performance timeline at the live clock or the given startTime", - }, - { - id: "node-builtin.perf_hooks.performance.measure", - kind: "node-builtin", - name: "perf_hooks.performance.measure", - fns: ["perf.measure"], - note: "the mark-name, timestamp, and options forms are one surface", - }, - { - id: "node-builtin.perf_hooks.performance.getEntries", - kind: "node-builtin", - name: "perf_hooks.performance.getEntries", - fns: ["perf.entries"], - note: "getEntries, getEntriesByName, and getEntriesByType read the same timeline", - }, - { - id: "node-builtin.perf_hooks.performance.clearMarks", - kind: "node-builtin", - name: "perf_hooks.performance.clearMarks", - fns: ["perf.clearMarks"], - }, - { - id: "node-builtin.perf_hooks.performance.clearMeasures", - kind: "node-builtin", - name: "perf_hooks.performance.clearMeasures", - fns: ["perf.clearMeasures"], - }, - { - id: "node-builtin.perf_hooks.performance.eventLoopUtilization", - kind: "node-builtin", - name: "perf_hooks.performance.eventLoopUtilization", - fns: ["perf.loopStart", "perf.idleTime"], - note: "active time is the main thread's CPU time since the loop started; the one- and two-argument difference forms are supported", - }, - { - id: "node-builtin.perf_hooks.monitorEventLoopDelay", - kind: "node-builtin", - name: "perf_hooks.monitorEventLoopDelay", - fns: [ - "perf.eldNew", - "perf.eldEnable", - "perf.eldDisable", - "perf.eldReset", - "perf.eldPercentile", - "perf.eldStat", - ], - note: "an unref'd sampling interval records the delay histogram; enable, disable, reset, percentile and the min, max, mean, stddev, count and exceeds readings are supported", - }, - // ── the process global's ambient reads and authority calls - // (lowerProcessProperty/lowerProcessMethodCall — process is a - // provenance-checked global here, not an importable module). - { - id: "node-builtin.process.env", - kind: "node-builtin", - name: "process.env", - fns: ["process.envGet", "process.envSet", "process.envUnset", "process.envPairs"], - note: "reads, writes, deletes, and enumeration of the process environment (the process global)", - }, - { - id: "node-builtin.process.argv", - kind: "node-builtin", - name: "process.argv", - fns: ["process.argv"], - }, - { - id: "node-builtin.process.hrtime", - kind: "node-builtin", - name: "process.hrtime", - fns: ["process.hrtimeValue"], - note: "native monotonic tuple clock and bigint member; direct calls and stored JavaScript callable values", - }, - { - id: "node-builtin.process.getBuiltinModule", - kind: "node-builtin", - name: "process.getBuiltinModule", - fns: ["process.builtinId", "process.builtinModule", "process.builtinUnsupported"], - note: "native path and os export subsets plus current-thread worker_threads metadata; other modules and exports throw SC2020", - }, - { - id: "node-builtin.process.versions", - kind: "node-builtin", - name: "process.versions", - fns: ["process.versions"], - note: "shared version dictionary containing node and openssl; other components are absent unless defined by the program", - }, - { - id: "node-builtin.process.release", - kind: "node-builtin", - name: "process.release", - fns: ["process.release"], - note: "the compatibility target's release metadata as one stable read-only object", - }, - { - id: "node-builtin.process.cwd", - kind: "node-builtin", - name: "process.cwd", - fns: ["process.cwd"], - }, - { - id: "node-builtin.process.chdir", - kind: "node-builtin", - name: "process.chdir", - fns: ["process.chdir"], - }, - { - id: "node-builtin.process.pid", - kind: "node-builtin", - name: "process.pid", - fns: ["process.pid"], - }, - { - id: "node-builtin.process.getuid", - kind: "node-builtin", - name: "process.getuid", - fns: ["process.getuid"], - }, - { - id: "node-builtin.process.getgid", - kind: "node-builtin", - name: "process.getgid", - fns: ["process.getgid"], - }, - { - id: "node-builtin.process.geteuid", - kind: "node-builtin", - name: "process.geteuid", - fns: ["process.geteuid"], - }, - { - id: "node-builtin.process.getegid", - kind: "node-builtin", - name: "process.getegid", - fns: ["process.getegid"], - }, - { - id: "node-builtin.process.getgroups", - kind: "node-builtin", - name: "process.getgroups", - fns: ["process.getgroups"], - }, - { - id: "node-builtin.process.ppid", - kind: "node-builtin", - name: "process.ppid", - fns: ["process.ppid"], - }, - { - id: "node-builtin.process.title", - kind: "node-builtin", - name: "process.title", - fns: ["process.title", "process.setTitle"], - note: "reads and writes of the process title are one surface", - }, - { - id: "node-builtin.process.argv0", - kind: "node-builtin", - name: "process.argv0", - fns: ["process.argv0"], - }, - { - id: "node-builtin.process.execArgv", - kind: "node-builtin", - name: "process.execArgv", - fns: ["process.execArgv"], - }, - { - id: "node-builtin.process.execPath", - kind: "node-builtin", - name: "process.execPath", - fns: ["process.execPath"], - }, - { - id: "node-builtin.process.uptime", - kind: "node-builtin", - name: "process.uptime", - fns: ["process.uptime"], - }, - { - id: "node-builtin.process.availableMemory", - kind: "node-builtin", - name: "process.availableMemory", - fns: ["process.availableMemory"], - }, - { - id: "node-builtin.process.constrainedMemory", - kind: "node-builtin", - name: "process.constrainedMemory", - fns: ["process.constrainedMemory"], - }, - { - id: "node-builtin.process.memoryUsage", - kind: "node-builtin", - name: "process.memoryUsage", - fns: ["process.memoryUsageTake", "process.memoryUsageField", "process.rss"], - note: "the record and memoryUsage.rss() read live memory state; external and arrayBuffers are 0", - }, - { - id: "node-builtin.process.resourceUsage", - kind: "node-builtin", - name: "process.resourceUsage", - fns: ["process.rusage"], - note: "getrusage's 16 fields — every field read samples live machine state", - }, - { - id: "node-builtin.process.cpuUsage", - kind: "node-builtin", - name: "process.cpuUsage", - fns: [ - "process.cpuUser", - "process.cpuSystem", - "process.cpuUserDiff", - "process.cpuSystemDiff", - "process.cpuPrevValidate", - ], - note: "the plain-sample and previous-value diff forms are one surface", - }, - { - id: "node-builtin.process.threadCpuUsage", - kind: "node-builtin", - name: "process.threadCpuUsage", - fns: [ - "process.threadCpuUser", - "process.threadCpuSystem", - "process.threadCpuUserDiff", - "process.threadCpuSystemDiff", - ], - note: "the plain-sample and previous-value diff forms are one surface", - }, - { - id: "node-builtin.process.isTTY", - kind: "node-builtin", - name: "process.isTTY", - fns: ["process.isTTY"], - note: "the isTTY read on process.stdin/stdout/stderr — one surface across the three streams", - }, - { - id: "node-builtin.process.columns", - kind: "node-builtin", - name: "process.columns", - fns: ["process.columns"], - note: "the columns read on the process stdio streams (terminal geometry)", - }, - { - id: "node-builtin.process.rows", - kind: "node-builtin", - name: "process.rows", - fns: ["process.rows"], - note: "the rows read on process.stdout/stderr (terminal geometry)", - }, - { - id: "node-builtin.process.kill", - kind: "node-builtin", - name: "process.kill", - fns: ["process.kill", "process.killNum"], - note: "the signal-name and signal-number forms are one surface", - }, - { - id: "node-builtin.process.umask", - kind: "node-builtin", - name: "process.umask", - fns: ["process.umask"], - }, - { - id: "node-builtin.process.exit", - kind: "node-builtin", - name: "process.exit", - fns: ["process.exit", "process.exiting"], - note: "process.exit and the process._exiting flag read are one surface", - }, - { - id: "node-builtin.process.exitCode", - kind: "node-builtin", - name: "process.exitCode", - fns: ["process.setExitCode", "process.setExitCodeTracked", "process.hasExitCode"], - note: "numeric writes in statement position set the implicit exit status; reads answer the assigned code or undefined; process.exit() reads it", - }, - // ── the tls CA store (lowerTlsCaCall / lowerTlsRootCertificates): the - // host's trust anchors, read and replaced. Dedicated paths, and - // rootCertificates is a VALUE read with no call form at all, so none of - // the three can hang off a lowering-table row. Split three ways rather - // than folded into one "CA store" surface: a library author who denies - // REPLACING the trust anchors is making a different decision from one - // who denies reading them, and each Node spelling is the name they will - // reach for when writing the fence. - { - id: "node-builtin.tls.getCACertificates", - kind: "node-builtin", - name: "tls.getCACertificates", - fns: ["tlsca.get"], - note: "the per-type cached PEM bundle: 'default' and 'extra' additionally read NODE_EXTRA_CA_CERTS, 'system' the platform store", - }, - { - id: "node-builtin.tls.rootCertificates", - kind: "node-builtin", - name: "tls.rootCertificates", - fns: ["tlsca.root"], - note: "the value read; answers the same bundled array as getCACertificates('bundled'), but fenced under its own id — the spelling an author writes", - }, - { - id: "node-builtin.tls.setDefaultCACertificates", - kind: "node-builtin", - name: "tls.setDefaultCACertificates", - fns: ["tlsca.set"], - note: "replaces the default set and the client trust anchors for the rest of the process", - }, - // os.constants is a VALUE read (lowerNamespaceBuiltinProperty and the - // named-import path): the platform's null-prototype constants object. - { - id: "node-builtin.os.constants", - kind: "node-builtin", - name: "os.constants", - fns: ["os.constants"], - note: "the platform's dlopen, errno, signals and priority groups; members a platform lacks read as undefined", - }, - // fs.constants as a value, and its members beyond the baked access-mode - // bits: the target libc's null-prototype constants object. - { - id: "node-builtin.fs.constants", - kind: "node-builtin", - name: "fs.constants", - fns: ["fs.constants"], - note: "node_constants.cc's fs group under the target libc's macros; members a platform lacks read as undefined", - }, -]; +let ambientSurfaceRows: readonly AmbientSurfaceRow[] | undefined; + +/** The ambient surface rows, built on the first call. */ +export function ambientSurfaceFns(): readonly AmbientSurfaceRow[] { + ambientSurfaceRows ??= buildAmbientSurfaceFns(); + return ambientSurfaceRows; +} + +function buildAmbientSurfaceFns(): readonly AmbientSurfaceRow[] { + return [ + { + id: "node-builtin.worker_threads.Worker", + kind: "node-builtin", + name: "worker_threads.Worker", + fns: ["worker.new"], + note: "native threads with statically compiled entry points, workerData, argv and message events", + }, + { + id: "node-builtin.worker_threads.metadata", + kind: "node-builtin", + name: "worker_threads metadata", + fns: [ + "worker.isMainThread", + "worker.threadId", + "worker.data", + "worker.parentPort", + "worker.resourceLimits", + "worker.threadName", + ], + note: "current-thread metadata and the worker's parent message port", + }, + { + id: "stdlib.sharedArrayBuffer", + kind: "stdlib", + name: "SharedArrayBuffer", + fns: ["sharedArrayBuffer.new"], + note: "fixed shared storage with context-local typed-array and DataView wrappers", + }, + { + id: "stdlib.blob", + kind: "stdlib", + name: "Blob", + fns: ["blob.new", "blob.slice", "blob.text", "blob.bytes", "blob.arrayBuffer", "blob.is"], + note: "immutable bytes with size, type, slice(), text(), bytes(), arrayBuffer() and structured cloning", + }, + { + id: "stdlib.file", + kind: "stdlib", + name: "File", + fns: ["blob.fileNew"], + note: "a Blob with name and lastModified (Date.now() when absent)", + }, + { + id: "stdlib.webcrypto.subtle", + kind: "stdlib", + name: "globalThis.crypto.subtle", + fns: [ + "webcrypto.generateKey", + "webcrypto.importKey", + "webcrypto.exportKey", + "webcrypto.encrypt", + "webcrypto.decrypt", + "webcrypto.wrapKey", + "webcrypto.unwrapKey", + "webcrypto.deriveBits", + "webcrypto.deriveKey", + "webcrypto.sign", + "webcrypto.verify", + "webcrypto.digest", + ], + note: "importKey, generateKey and exportKey (raw and jwk) for HMAC and AES keys, importKey for PBKDF2 and HKDF keys, AES-GCM, AES-CBC and AES-CTR encrypt and decrypt, wrapKey and unwrapKey of secret keys with AES-KW or those ciphers, PBKDF2 and HKDF deriveBits and deriveKey, HMAC sign and verify, generateKey, importKey, exportKey, sign and verify for ECDSA, Ed25519, RSASSA-PKCS1-v1_5 and RSA-PSS, and SHA-1/SHA-2 digest; other methods, algorithms and key formats are refused", + }, + { + id: "stdlib.webcrypto.CryptoKey", + kind: "stdlib", + name: "CryptoKey", + fns: ["webcrypto.isCryptoKey"], + note: "secret HMAC, AES, PBKDF2 and HKDF keys with type, extractable, algorithm and usages, and instanceof CryptoKey", + }, + { + id: "stdlib.atomics", + kind: "stdlib", + name: "Atomics", + fns: ["atomics.op", "atomics.wait", "atomics.notify"], + note: "8-, 16- and 32-bit integer operations, plus Int32Array wait and notify", + }, + { + id: "node-builtin.fs.callbacks", + kind: "node-builtin", + name: "fs error-first callbacks", + fns: ["fs.callbackValue", "fs.callbackCall", "fs.callbackGlob"], + note: "native filesystem callbacks, including stored platform adapter functions", + }, + // ── the Date slice (lowerDateCall/lowerNew): statics, construction, + // stored read-only values, calendar getters, and ISO formatting. + { + id: "stdlib.date.now", + kind: "stdlib", + name: "Date.now", + fns: ["date.now"], + note: "the live clock", + }, + { + id: "stdlib.date.parse", + kind: "stdlib", + name: "Date.parse", + fns: ["date.parse"], + note: "one date string, using V8's date parser shared with new Date(dateString)", + }, + { + id: "stdlib.date.constructor", + kind: "stdlib", + name: "Date constructor", + fns: [ + "date.newNow", + "date.newMs", + "date.newString", + "date.nativeNew", + "date.newLocal", + "date.nativeNewFields", + "date.nativeNewValue", + "date.argumentsTime", + "date.classOperation", + ], + note: "zero arguments, one milliseconds/date-string argument, or local-time year/month fields; values are the read-only TimeClip scalar slice", + }, + { + id: "stdlib.date.setters", + kind: "stdlib", + name: "Date.prototype setters", + fns: ["date.setFields", "date.timeClip", "date.store"], + note: "setTime and the local and UTC field setters, with their optional arguments", + }, + { + id: "stdlib.date.UTC", + kind: "stdlib", + name: "Date.UTC", + fns: ["date.utc"], + note: "the lowered call form takes 1 to 7 number arguments", + }, + { + id: "stdlib.date.getTime", + kind: "stdlib", + name: "Date.prototype.getTime", + fns: ["date.getTime", "date.parseGetTime"], + note: "the millisecond value of a stored Date", + }, + { + id: "stdlib.date.valueOf", + kind: "stdlib", + name: "Date.prototype.valueOf", + fns: ["date.valueOf"], + note: "the same millisecond read as getTime()", + }, + { + id: "stdlib.date.toISOString", + kind: "stdlib", + name: "Date.prototype.toISOString", + fns: ["date.toISOString", "date.toISOStringValue"], + note: "UTC ISO formatting over constructed and stored Date values", + }, + { + id: "stdlib.date.toUTCString", + kind: "stdlib", + name: "Date.prototype.toUTCString", + fns: ["date.toUTCString"], + note: "RFC 7231 IMF-fixdate formatting over stored Date values", + }, + { + id: "stdlib.date.getFullYear", + kind: "stdlib", + name: "Date.prototype.getFullYear", + fns: ["date.getFullYear"], + }, + { + id: "stdlib.date.getUTCFullYear", + kind: "stdlib", + name: "Date.prototype.getUTCFullYear", + fns: ["date.getUTCFullYear"], + }, + { + id: "stdlib.date.getMonth", + kind: "stdlib", + name: "Date.prototype.getMonth", + fns: ["date.getMonth"], + }, + { + id: "stdlib.date.getUTCMonth", + kind: "stdlib", + name: "Date.prototype.getUTCMonth", + fns: ["date.getUTCMonth"], + }, + { + id: "stdlib.date.getDate", + kind: "stdlib", + name: "Date.prototype.getDate", + fns: ["date.getDate"], + }, + { + id: "stdlib.date.getUTCDate", + kind: "stdlib", + name: "Date.prototype.getUTCDate", + fns: ["date.getUTCDate"], + }, + { + id: "stdlib.date.getDay", + kind: "stdlib", + name: "Date.prototype.getDay", + fns: ["date.getDay"], + }, + { + id: "stdlib.date.getUTCDay", + kind: "stdlib", + name: "Date.prototype.getUTCDay", + fns: ["date.getUTCDay"], + }, + { + id: "stdlib.date.getHours", + kind: "stdlib", + name: "Date.prototype.getHours", + fns: ["date.getHours"], + }, + { + id: "stdlib.date.getUTCHours", + kind: "stdlib", + name: "Date.prototype.getUTCHours", + fns: ["date.getUTCHours"], + }, + { + id: "stdlib.date.getMinutes", + kind: "stdlib", + name: "Date.prototype.getMinutes", + fns: ["date.getMinutes"], + }, + { + id: "stdlib.date.getUTCMinutes", + kind: "stdlib", + name: "Date.prototype.getUTCMinutes", + fns: ["date.getUTCMinutes"], + }, + { + id: "stdlib.date.getSeconds", + kind: "stdlib", + name: "Date.prototype.getSeconds", + fns: ["date.getSeconds"], + }, + { + id: "stdlib.date.getUTCSeconds", + kind: "stdlib", + name: "Date.prototype.getUTCSeconds", + fns: ["date.getUTCSeconds"], + }, + { + id: "stdlib.date.getMilliseconds", + kind: "stdlib", + name: "Date.prototype.getMilliseconds", + fns: ["date.getMilliseconds"], + }, + { + id: "stdlib.date.getUTCMilliseconds", + kind: "stdlib", + name: "Date.prototype.getUTCMilliseconds", + fns: ["date.getUTCMilliseconds"], + }, + { + id: "stdlib.date.getTimezoneOffset", + kind: "stdlib", + name: "Date.prototype.getTimezoneOffset", + fns: ["date.getTimezoneOffset"], + }, + { + id: "stdlib.date.toString", + kind: "stdlib", + name: "Date.prototype.toString", + fns: ["date.toString"], + note: "local time with the host zone's long English name; String(date) and template literals use it", + }, + { + id: "stdlib.date.toDateString", + kind: "stdlib", + name: "Date.prototype.toDateString", + fns: ["date.toDateString"], + }, + { + id: "stdlib.date.toTimeString", + kind: "stdlib", + name: "Date.prototype.toTimeString", + fns: ["date.toTimeString"], + }, + // ── perf_hooks (lowerPerfHooksCall): the monotonic clock. + { + id: "node-builtin.perf_hooks.performance.now", + kind: "node-builtin", + name: "perf_hooks.performance.now", + fns: ["perf.now"], + note: "the global performance object and the performance.now.bind(performance) function value reach the same clock", + }, + { + id: "node-builtin.perf_hooks.performance.mark", + kind: "node-builtin", + name: "perf_hooks.performance.mark", + fns: [ + "perf.mark", + "perf.entryName", + "perf.entryType", + "perf.entryStart", + "perf.entryDuration", + "perf.entryDetail", + "perf.entryKeep", + "perf.entryRef", + ], + note: "records a mark in the thread's performance timeline at the live clock or the given startTime", + }, + { + id: "node-builtin.perf_hooks.performance.measure", + kind: "node-builtin", + name: "perf_hooks.performance.measure", + fns: ["perf.measure"], + note: "the mark-name, timestamp, and options forms are one surface", + }, + { + id: "node-builtin.perf_hooks.performance.getEntries", + kind: "node-builtin", + name: "perf_hooks.performance.getEntries", + fns: ["perf.entries"], + note: "getEntries, getEntriesByName, and getEntriesByType read the same timeline", + }, + { + id: "node-builtin.perf_hooks.performance.clearMarks", + kind: "node-builtin", + name: "perf_hooks.performance.clearMarks", + fns: ["perf.clearMarks"], + }, + { + id: "node-builtin.perf_hooks.performance.clearMeasures", + kind: "node-builtin", + name: "perf_hooks.performance.clearMeasures", + fns: ["perf.clearMeasures"], + }, + { + id: "node-builtin.perf_hooks.performance.eventLoopUtilization", + kind: "node-builtin", + name: "perf_hooks.performance.eventLoopUtilization", + fns: ["perf.loopStart", "perf.idleTime"], + note: "active time is the main thread's CPU time since the loop started; the one- and two-argument difference forms are supported", + }, + { + id: "node-builtin.perf_hooks.monitorEventLoopDelay", + kind: "node-builtin", + name: "perf_hooks.monitorEventLoopDelay", + fns: [ + "perf.eldNew", + "perf.eldEnable", + "perf.eldDisable", + "perf.eldReset", + "perf.eldPercentile", + "perf.eldStat", + ], + note: "an unref'd sampling interval records the delay histogram; enable, disable, reset, percentile and the min, max, mean, stddev, count and exceeds readings are supported", + }, + // ── the process global's ambient reads and authority calls + // (lowerProcessProperty/lowerProcessMethodCall — process is a + // provenance-checked global here, not an importable module). + { + id: "node-builtin.process.env", + kind: "node-builtin", + name: "process.env", + fns: ["process.envGet", "process.envSet", "process.envUnset", "process.envPairs"], + note: "reads, writes, deletes, and enumeration of the process environment (the process global)", + }, + { + id: "node-builtin.process.argv", + kind: "node-builtin", + name: "process.argv", + fns: ["process.argv"], + }, + { + id: "node-builtin.process.hrtime", + kind: "node-builtin", + name: "process.hrtime", + fns: ["process.hrtimeValue"], + note: "native monotonic tuple clock and bigint member; direct calls and stored JavaScript callable values", + }, + { + id: "node-builtin.process.getBuiltinModule", + kind: "node-builtin", + name: "process.getBuiltinModule", + fns: ["process.builtinId", "process.builtinModule", "process.builtinUnsupported"], + note: "native path and os export subsets plus current-thread worker_threads metadata; other modules and exports throw SC2020", + }, + { + id: "node-builtin.process.versions", + kind: "node-builtin", + name: "process.versions", + fns: ["process.versions"], + note: "shared version dictionary containing node and openssl; other components are absent unless defined by the program", + }, + { + id: "node-builtin.process.release", + kind: "node-builtin", + name: "process.release", + fns: ["process.release"], + note: "the compatibility target's release metadata as one stable read-only object", + }, + { + id: "node-builtin.process.cwd", + kind: "node-builtin", + name: "process.cwd", + fns: ["process.cwd"], + }, + { + id: "node-builtin.process.chdir", + kind: "node-builtin", + name: "process.chdir", + fns: ["process.chdir"], + }, + { + id: "node-builtin.process.pid", + kind: "node-builtin", + name: "process.pid", + fns: ["process.pid"], + }, + { + id: "node-builtin.process.getuid", + kind: "node-builtin", + name: "process.getuid", + fns: ["process.getuid"], + }, + { + id: "node-builtin.process.getgid", + kind: "node-builtin", + name: "process.getgid", + fns: ["process.getgid"], + }, + { + id: "node-builtin.process.geteuid", + kind: "node-builtin", + name: "process.geteuid", + fns: ["process.geteuid"], + }, + { + id: "node-builtin.process.getegid", + kind: "node-builtin", + name: "process.getegid", + fns: ["process.getegid"], + }, + { + id: "node-builtin.process.getgroups", + kind: "node-builtin", + name: "process.getgroups", + fns: ["process.getgroups"], + }, + { + id: "node-builtin.process.ppid", + kind: "node-builtin", + name: "process.ppid", + fns: ["process.ppid"], + }, + { + id: "node-builtin.process.title", + kind: "node-builtin", + name: "process.title", + fns: ["process.title", "process.setTitle"], + note: "reads and writes of the process title are one surface", + }, + { + id: "node-builtin.process.argv0", + kind: "node-builtin", + name: "process.argv0", + fns: ["process.argv0"], + }, + { + id: "node-builtin.process.execArgv", + kind: "node-builtin", + name: "process.execArgv", + fns: ["process.execArgv"], + }, + { + id: "node-builtin.process.execPath", + kind: "node-builtin", + name: "process.execPath", + fns: ["process.execPath"], + }, + { + id: "node-builtin.process.uptime", + kind: "node-builtin", + name: "process.uptime", + fns: ["process.uptime"], + }, + { + id: "node-builtin.process.availableMemory", + kind: "node-builtin", + name: "process.availableMemory", + fns: ["process.availableMemory"], + }, + { + id: "node-builtin.process.constrainedMemory", + kind: "node-builtin", + name: "process.constrainedMemory", + fns: ["process.constrainedMemory"], + }, + { + id: "node-builtin.process.memoryUsage", + kind: "node-builtin", + name: "process.memoryUsage", + fns: ["process.memoryUsageTake", "process.memoryUsageField", "process.rss"], + note: "the record and memoryUsage.rss() read live memory state; external and arrayBuffers are 0", + }, + { + id: "node-builtin.process.resourceUsage", + kind: "node-builtin", + name: "process.resourceUsage", + fns: ["process.rusage"], + note: "getrusage's 16 fields — every field read samples live machine state", + }, + { + id: "node-builtin.process.cpuUsage", + kind: "node-builtin", + name: "process.cpuUsage", + fns: [ + "process.cpuUser", + "process.cpuSystem", + "process.cpuUserDiff", + "process.cpuSystemDiff", + "process.cpuPrevValidate", + ], + note: "the plain-sample and previous-value diff forms are one surface", + }, + { + id: "node-builtin.process.threadCpuUsage", + kind: "node-builtin", + name: "process.threadCpuUsage", + fns: [ + "process.threadCpuUser", + "process.threadCpuSystem", + "process.threadCpuUserDiff", + "process.threadCpuSystemDiff", + ], + note: "the plain-sample and previous-value diff forms are one surface", + }, + { + id: "node-builtin.process.isTTY", + kind: "node-builtin", + name: "process.isTTY", + fns: ["process.isTTY"], + note: "the isTTY read on process.stdin/stdout/stderr — one surface across the three streams", + }, + { + id: "node-builtin.process.columns", + kind: "node-builtin", + name: "process.columns", + fns: ["process.columns"], + note: "the columns read on the process stdio streams (terminal geometry)", + }, + { + id: "node-builtin.process.rows", + kind: "node-builtin", + name: "process.rows", + fns: ["process.rows"], + note: "the rows read on process.stdout/stderr (terminal geometry)", + }, + { + id: "node-builtin.process.kill", + kind: "node-builtin", + name: "process.kill", + fns: ["process.kill", "process.killNum"], + note: "the signal-name and signal-number forms are one surface", + }, + { + id: "node-builtin.process.umask", + kind: "node-builtin", + name: "process.umask", + fns: ["process.umask"], + }, + { + id: "node-builtin.process.exit", + kind: "node-builtin", + name: "process.exit", + fns: ["process.exit", "process.exiting"], + note: "process.exit and the process._exiting flag read are one surface", + }, + { + id: "node-builtin.process.exitCode", + kind: "node-builtin", + name: "process.exitCode", + fns: ["process.setExitCode", "process.setExitCodeTracked", "process.hasExitCode"], + note: "numeric writes in statement position set the implicit exit status; reads answer the assigned code or undefined; process.exit() reads it", + }, + // ── the tls CA store (lowerTlsCaCall / lowerTlsRootCertificates): the + // host's trust anchors, read and replaced. Dedicated paths, and + // rootCertificates is a VALUE read with no call form at all, so none of + // the three can hang off a lowering-table row. Split three ways rather + // than folded into one "CA store" surface: a library author who denies + // REPLACING the trust anchors is making a different decision from one + // who denies reading them, and each Node spelling is the name they will + // reach for when writing the fence. + { + id: "node-builtin.tls.getCACertificates", + kind: "node-builtin", + name: "tls.getCACertificates", + fns: ["tlsca.get"], + note: "the per-type cached PEM bundle: 'default' and 'extra' additionally read NODE_EXTRA_CA_CERTS, 'system' the platform store", + }, + { + id: "node-builtin.tls.rootCertificates", + kind: "node-builtin", + name: "tls.rootCertificates", + fns: ["tlsca.root"], + note: "the value read; answers the same bundled array as getCACertificates('bundled'), but fenced under its own id — the spelling an author writes", + }, + { + id: "node-builtin.tls.setDefaultCACertificates", + kind: "node-builtin", + name: "tls.setDefaultCACertificates", + fns: ["tlsca.set"], + note: "replaces the default set and the client trust anchors for the rest of the process", + }, + // os.constants is a VALUE read (lowerNamespaceBuiltinProperty and the + // named-import path): the platform's null-prototype constants object. + { + id: "node-builtin.os.constants", + kind: "node-builtin", + name: "os.constants", + fns: ["os.constants"], + note: "the platform's dlopen, errno, signals and priority groups; members a platform lacks read as undefined", + }, + // fs.constants as a value, and its members beyond the baked access-mode + // bits: the target libc's null-prototype constants object. + { + id: "node-builtin.fs.constants", + kind: "node-builtin", + name: "fs.constants", + fns: ["fs.constants"], + note: "node_constants.cc's fs group under the target libc's macros; members a platform lacks read as undefined", + }, + ]; +} /** The win32-target overrides of the bare modules' constants: path's * constants ARE the path/win32 namespace's, and os.EOL is CRLF (Node's @@ -2928,7 +2962,7 @@ const WIN32_TARGET_CONSTS: Record< os: { EOL: "\r\n", devNull: "\\\\.\\nul" }, }; -/** BUILTIN_MODULE_FNS with the platform-conditional modules bound per +/** builtinModuleFns() with the platform-conditional modules bound per * TARGET: a win32 triple compiles Node-on-Windows semantics — `path` is * path.win32 and url's bridge selects the Windows runtime behavior. Fence wording is * unaffected — callers keep naming the module the source spelled. */ @@ -2937,9 +2971,9 @@ function builtinModuleFnsOf( module: string, ): Record | undefined { if (lowerer.targetPlatform === "win32") { - if (module === "path") return BUILTIN_MODULE_FNS["path/win32"]; + if (module === "path") return builtinModuleFns()["path/win32"]; } - return ownEntry(BUILTIN_MODULE_FNS, module); + return ownEntry(builtinModuleFns(), module); } /** Own-property lookup — lowerer.ts's own(), duplicated locally because diff --git a/packages/compiler/src/frontend/package-shims.ts b/packages/compiler/src/frontend/package-shims.ts index 06a6c4eca..5493b108d 100644 --- a/packages/compiler/src/frontend/package-shims.ts +++ b/packages/compiler/src/frontend/package-shims.ts @@ -42,6 +42,7 @@ import { dirname, join, resolve } from "node:path"; import { packageShimRoot, tsgoPath } from "./dts-paths.js"; import { trackedDirectoryExists, trackedReadFile, trackedRealpath } from "./input-tracker.js"; +import { readProjectConfig } from "../project-config.js"; import { packageNameOfSpecifier } from "./workspace-registry.js"; import { BUILTIN_ALIAS_PACKAGES, @@ -204,36 +205,12 @@ export function packageShimEntries(): string[] { let unloadedPackages: ReadonlySet = new Set(); /** Reads the project's package-shim configuration: the `scriptc.packages` - * map of the entry's nearest package.json. Called once per program load. */ + * entries marked "unloaded" in the entry's nearest package.json + * (project-config.ts validates the rest). Called once per program load. */ export function configurePackageShims(entryPath: string): void { const packages = new Set(); - for (let dir = dirname(resolve(entryPath)); ;) { - const text = trackedReadFile(join(dir, "package.json")); - if (text !== null) { - let parsed: unknown = null; - try { - parsed = JSON.parse(text); - } catch { - parsed = null; - } - const config = - parsed !== null && typeof parsed === "object" - ? (parsed as Record)["scriptc"] - : undefined; - const map = - config !== null && typeof config === "object" - ? (config as Record)["packages"] - : undefined; - if (map !== null && typeof map === "object") { - for (const [name, kind] of Object.entries(map as Record)) { - if (kind === "unloaded") packages.add(name); - } - } - break; - } - const parent = dirname(dir); - if (parent === dir) break; - dir = parent; + for (const [name, setting] of readProjectConfig(entryPath).packages) { + if (setting.unloaded) packages.add(name); } unloadedPackages = packages; } diff --git a/packages/compiler/src/frontend/pipeline-native.ts b/packages/compiler/src/frontend/pipeline-native.ts index 511fd62f2..f2df52608 100644 --- a/packages/compiler/src/frontend/pipeline-native.ts +++ b/packages/compiler/src/frontend/pipeline-native.ts @@ -1,4 +1,4 @@ -import { runFrontend, type Frontend } from "./pipeline.js"; +import { runFrontend, type Frontend, type FrontendOptions } from "./pipeline.js"; import { loadProgram } from "./program.js"; import { FrontendServices, type ComptimeEvaluator } from "./services.js"; import { createNativeTs7Api } from "./ts7/native-api.js"; @@ -13,6 +13,7 @@ export function runNativeFrontend( externalTypes?: Readonly>, evaluateComptime?: ComptimeEvaluator, libraryNpmStatic: readonly string[] = [], + options: FrontendOptions = {}, ): Frontend { const services = new FrontendServices( (options) => createNativeTs7Api({ ...options, executable }), @@ -31,6 +32,7 @@ export function runNativeFrontend( npmStatic, externalTypes, libraryNpmStatic, + options, ); return { ...frontend, diff --git a/packages/compiler/src/frontend/pipeline.ts b/packages/compiler/src/frontend/pipeline.ts index c2f528b25..b5771dedd 100644 --- a/packages/compiler/src/frontend/pipeline.ts +++ b/packages/compiler/src/frontend/pipeline.ts @@ -46,6 +46,14 @@ import { CONTRACT_TYPES_MODULE } from "./contract-types.js"; import { THREADS_MODULE } from "./threads-import.js"; import { erasedTypeOnlyImport } from "./type-only-imports.js"; import { EXPERIMENTAL_MODULE } from "./experimental-import.js"; +import { readProjectConfig } from "../project-config.js"; +import { packageDirOf } from "../node-islands/origin.js"; +import { + scanFiles, + type NodeIslandScan, + type RefusalKind, + type RefusalRecord, +} from "../node-islands/scan.js"; /** Where a package-anchored preflight diagnostic sits, as * `:` — the SC2013 refusal that drops the package @@ -104,17 +112,33 @@ export interface Frontend { npmStatic: NpmStaticStatus[]; /** Each judged npm package's first import site, used to anchor refusals. */ npmImportSites: ReadonlyMap; + /** The Node island detector's input (report-only): the program's + * modules with their pre-scan markers, package import edges, and how + * each refused package was refused. Call before dispose. */ + nodeIslandScan?: ((opts: { userJs: boolean }) => NodeIslandScan) | undefined; + /** Diagnostics that do not fail a build: unknown settings in the + * project's scriptc configuration (SC8004), which builds do not use. */ + warnings?: ScrDiagnostic[]; /** Releases the frontend's resources (the spawned tsgo server). Call * exactly once, after the last lower(). */ dispose: () => void; } /** Hosts own transport lifetimes; shared compiler stages own the frontend. */ +/** What a frontend computes beyond the build's own needs. */ +export interface FrontendOptions { + /** The Node island report (coverage): the project's scriptc settings and + * the detector's scan of the program and its npm packages. Builds do not + * read either. */ + nodeIslands?: boolean; +} + export type FrontendFactory = ( entryPath: string, npmStatic?: readonly string[] | "auto" | "lib", externalTypes?: Readonly>, libraryNpmStatic?: readonly string[], + options?: FrontendOptions, ) => Frontend; /** Adds the program modules a literal `import()` reaches to `scanned`, @@ -385,12 +409,37 @@ function packagesNamedByDiag(message: string, optedIn: ReadonlySet): Set return hits; } +/** The modules of packages the drop-and-reload loop is about to remove, + * scanned on the program that still holds them. Report-only: a detector + * failure here never changes the build's outcome. */ +function scanDroppedPackages( + load: LoadResult, + packages: readonly string[], + into: { modules: NodeIslandScan["modules"]; edges: NodeIslandScan["edges"] }, +): void { + if (packages.length === 0) return; + try { + const wanted = new Set(packages); + const files = load.program.getImplementationSourceFiles().filter((sf) => { + if (sf.isDeclarationFile) return false; + const at = packageDirOf(sf.fileName); + return at !== null && wanted.has(at.name); + }); + const scanned = scanFiles(load.program, files, { userJs: false, dropped: true, edges: true }); + into.modules.push(...scanned.modules); + into.edges.push(...scanned.edges); + } catch { + /* report-only detection */ + } +} + export function runFrontend( entryPath: string, loadProgram: ProgramLoader, npmStatic?: readonly string[] | "auto" | "lib", externalTypes?: Readonly>, libraryNpmStatic: readonly string[] = [], + options: FrontendOptions = {}, ): Frontend { // A preflight or package probe may throw after its host has opened. Track // only live loads, releasing each immediately on normal fallback; this @@ -430,6 +479,7 @@ export function runFrontend( externalTypes, [...new Set(names)], transitive, + options, ); } catch (error) { for (const load of active) { @@ -451,6 +501,7 @@ function loadFrontend( externalTypes?: Readonly>, libraryNpmStatic: readonly string[] = [], transitive: Set = new Set(), + options: FrontendOptions = {}, ): Frontend { // Resolver package/workspace metadata is intentionally shared across the // several load attempts of ONE auto-detection fixpoint, but never across @@ -459,6 +510,16 @@ function loadFrontend( clearResolveCaches(); const statuses: NpmStaticStatus[] = []; const npmSites = new Map(); + // Node island detection (report-only): how each package was refused, and + // the modules of packages removed from the program. + const refusals: RefusalRecord[] = []; + const droppedScan: { modules: NodeIslandScan["modules"]; edges: NodeIslandScan["edges"] } = { + modules: [], + edges: [], + }; + const recordRefusal = (pkg: string, kind: RefusalKind, diag: ScrDiagnostic | null): void => { + refusals.push({ package: pkg, kind, diag }); + }; // Explicit library attempts bypass only the auto-selection heuristics. // The shared preflight/lowering refusal and dependency-closure checks remain. const judged = new Set(libraryNpmStatic); @@ -514,6 +575,7 @@ function loadFrontend( status: "refused", detail: `mapped as an external host module by --external-types (${specs.map((s) => JSON.stringify(s)).join(", ")})`, }); + recordRefusal(pkg, "external", null); return false; }); } @@ -547,19 +609,25 @@ function loadFrontend( const typecheckRefused = new Set(); while (effective.size > 0) { const reasons = new Map(npmStaticOffenders()); + const kinds = new Map(); + for (const pkg of reasons.keys()) kinds.set(pkg, { kind: "offender", diag: null }); // Bundler interop the rewrite could not finish refuses its package // only where the compiled program can load the file. if (npmStaticFileDegrades().size > 0) { const loadable = npmStaticLoadableFiles(load.program, load.moduleOrder); for (const [file, { pkg, reason }] of npmStaticFileDegrades()) { - if (!reasons.has(pkg) && (loadable === null || loadable.has(file))) + if (!reasons.has(pkg) && (loadable === null || loadable.has(file))) { reasons.set(pkg, reason); + kinds.set(pkg, { kind: "degrade", diag: null }); + } } } for (const d of preflight) { const pkg = npmStaticPackageOfPath(d.loc.file); - if (pkg !== null && !reasons.has(pkg)) + if (pkg !== null && !reasons.has(pkg)) { reasons.set(pkg, `${d.code} at ${packageDiagWhere(load, d.loc)}: ${d.message}`); + kinds.set(pkg, { kind: "preflight", diag: d }); + } } if (![...reasons.keys()].some((p) => effective.has(p))) { const named = new Map(); @@ -571,6 +639,7 @@ function loadFrontend( } for (const [pkg, count] of named) { typecheckRefused.add(pkg); + kinds.set(pkg, { kind: "typecheck", diag: null }); reasons.set( pkg, `its inferred export surface breaks ${count} import site${count === 1 ? "" : "s"} in program files (bundler-emitted surfaces type only as far as inference reaches)`, @@ -579,9 +648,12 @@ function loadFrontend( } const dropping = [...reasons.keys()].filter((p) => effective.has(p)); if (dropping.length === 0) break; + if (options.nodeIslands === true) scanDroppedPackages(load, dropping, droppedScan); for (const p of dropping) { effective.delete(p); statuses.push({ package: p, status: "refused", detail: reasons.get(p)! }); + const kind = kinds.get(p); + recordRefusal(p, kind?.kind ?? "offender", kind?.diag ?? null); } load.dispose(); load = loadProgram(entryPath, { npmStatic: [...effective], externalTypes }); @@ -601,9 +673,12 @@ function loadFrontend( // graceful per-package degradation, never a failed gate the user cannot // act on (the note carries the why). if (effective.size > 0 && preflight.some((d) => d.code === "SC0001")) { + const lastResortDropped: string[] = []; const dropWithNote = (p: string): void => { effective.delete(p); typecheckRefused.add(p); + lastResortDropped.push(p); + recordRefusal(p, "typecheck", null); statuses.push({ package: p, status: "refused", @@ -625,11 +700,15 @@ function loadFrontend( probe.dispose(); if (probeDiags.some((d) => d.code === "SC0001")) dropWithNote(p); } + if (options.nodeIslands === true) + scanDroppedPackages(load, lastResortDropped.splice(0), droppedScan); load.dispose(); load = loadProgram(entryPath, { npmStatic: [...effective], externalTypes }); preflight = checkPreflight(load); if (preflight.some((d) => d.code === "SC0001") && effective.size > 0) { for (const p of [...effective]) dropWithNote(p); + if (options.nodeIslands === true) + scanDroppedPackages(load, lastResortDropped.splice(0), droppedScan); load.dispose(); load = loadProgram(entryPath, { npmStatic: [...effective], externalTypes }); preflight = checkPreflight(load); @@ -650,8 +729,16 @@ function loadFrontend( } const finalLoad = load; + // An unknown key or value in the project's scriptc configuration makes + // the Node island report unavailable (SC8004). The settings configure + // only that report: a build warns about them and goes on. + const projectConfig = readProjectConfig(entryPath); + const configDiagnostics = projectConfig.diagnostics; + const report = options.nodeIslands === true; return { - preflight, + preflight: + report && configDiagnostics.length > 0 ? [...configDiagnostics, ...preflight] : preflight, + ...(!report && configDiagnostics.length > 0 ? { warnings: configDiagnostics } : {}), entryText: () => finalLoad.entry.text, entryExports: () => entryFunctionExports(finalLoad.entry), // The contract scans the PROGRAM's source files, not the runtime @@ -678,14 +765,23 @@ function loadFrontend( // are in moduleOrder like any program module, so their bytes join the // library identity hashes (source_hash/build_id) — compiled code is // identity, whatever directory it came from. - sourceTexts: () => - new Map( + sourceTexts: () => { + const texts = new Map( [ finalLoad.entry, ...finalLoad.moduleOrder, ...finalLoad.program.getImplementationSourceFiles().filter((sf) => !sf.isDeclarationFile), ].map((sf) => [sf.fileName, sf.text]), - ), + ); + // SC8004 diagnostics point into the project's package.json. + if ( + configDiagnostics.length > 0 && + projectConfig.manifest !== null && + projectConfig.manifestText !== null + ) + texts.set(projectConfig.manifest, projectConfig.manifestText); + return texts; + }, lower: (opts) => { const lowered = lowerToIr(finalLoad.program, finalLoad.entry, finalLoad.moduleOrder, { ...opts, @@ -705,6 +801,29 @@ function loadFrontend( }, npmStatic: statuses, npmImportSites: npmSites, + nodeIslandScan: + options.nodeIslands !== true + ? undefined + : ({ userJs }) => { + const files = new Set([finalLoad.entry, ...finalLoad.moduleOrder]); + addDynamicImportGraph(finalLoad, files); + // Package edges matter only when the program has npm packages: one + // that loads, one that was refused, or one judged and dropped. + const npm = + statuses.length > 0 || + droppedScan.modules.length > 0 || + [...files].some((sf) => sf.fileName.includes("/node_modules/")); + const scanned = scanFiles(finalLoad.program, [...files], { + userJs, + dropped: false, + edges: npm, + }); + return { + modules: [...droppedScan.modules, ...scanned.modules], + edges: [...droppedScan.edges, ...scanned.edges], + refusals, + }; + }, dispose: finalLoad.dispose, }; } diff --git a/packages/compiler/src/frontend/program-analysis.ts b/packages/compiler/src/frontend/program-analysis.ts index d4ec9fa98..475942908 100644 --- a/packages/compiler/src/frontend/program-analysis.ts +++ b/packages/compiler/src/frontend/program-analysis.ts @@ -25,6 +25,8 @@ export class ProgramAnalysis { /** The modules of every import cycle the exact initialization rule admitted. */ readonly exactCycleMembers = new Set(); cycleEarlyBindings: EarlyBindingsMemo | null = null; + /** Whether some program file can name node:child_process (namesChildProcess). */ + namesChildProcess: boolean | null = null; moduleEarlyBindings: EarlyBindingsMemo | null = null; /** Top-level require declarations: the first reference to their bindings * that code running before the require can reach (requireEarlyReference). */ @@ -46,6 +48,7 @@ export class ProgramAnalysis { this.moduleSourceCandidates.clear(); this.exactCycleMembers.clear(); this.cycleEarlyBindings = null; + this.namesChildProcess = null; this.moduleEarlyBindings = null; this.requireEarlyReferences.clear(); this.requireFirstRunnable.clear(); diff --git a/packages/compiler/src/frontend/resolve.ts b/packages/compiler/src/frontend/resolve.ts index 3b32dad3a..5b035b6cb 100644 --- a/packages/compiler/src/frontend/resolve.ts +++ b/packages/compiler/src/frontend/resolve.ts @@ -562,6 +562,12 @@ export function nearestPkgJsonPath(fromFile: string): string | null { return dir === null ? null : join(dir, "package.json"); } +/** The nearest package scope's "imports" field (undefined without one). */ +export function nearestPackageImports(fromFile: string): unknown { + const dir = nearestPkgDir(dirname(resolve(fromFile))); + return dir === null ? undefined : pkgJsonOf(dir)?.imports; +} + /** The target the nearest package scope's "imports" field maps a '#' * specifier to under Node's ESM runtime conditions: a './' path inside the * package or another package's specifier. Null when no entry maps it. */ diff --git a/packages/compiler/src/frontend/ts7/checker-features.test.ts b/packages/compiler/src/frontend/ts7/checker-features.test.ts new file mode 100644 index 000000000..fcd3576cb --- /dev/null +++ b/packages/compiler/src/frontend/ts7/checker-features.test.ts @@ -0,0 +1,45 @@ +import { chmodSync, mkdtempSync, rmSync, writeFileSync } from "node:fs"; +import { tmpdir } from "node:os"; +import { join } from "node:path"; +import { afterAll, afterEach, expect, test } from "vitest"; +import { checkerReadsLibrariesFromDisk, setCheckerFeatureStore } from "./checker-features.js"; + +const dir = mkdtempSync(join(tmpdir(), "scriptc-checker-features-")); +afterAll(() => rmSync(dir, { recursive: true, force: true })); +afterEach(() => setCheckerFeatureStore(null)); + +/** A stand-in checker that records its arguments and exits with `status`. */ +function checker(name: string, status: number): { path: string; log: string } { + const path = join(dir, name); + const log = path + ".log"; + writeFileSync(path, `#!/bin/sh\necho "$@" >> '${log}'\nexit ${status}\n`); + chmodSync(path, 0o755); + return { path, log }; +} + +test.skipIf(process.platform === "win32")( + "the checker is asked once whether it reads its library files from the disk, and the answer is stored", + async () => { + const { readFileSync, existsSync } = await import("node:fs"); + const entries = new Map(); + setCheckerFeatureStore({ + read: (key) => entries.get(key) ?? null, + write: (key, text) => void entries.set(key, text), + }); + const current = checker("current", 0); + const released = checker("released", 2); + expect(checkerReadsLibrariesFromDisk(current.path, {})).toBe(true); + expect(checkerReadsLibrariesFromDisk(released.path, {})).toBe(false); + expect(readFileSync(current.log, "utf8")).toBe("--api --default-libraries-from-disk\n"); + expect([...entries.values()].sort()).toEqual(["0", "1"]); + // Later asks use the answers: the checkers do not run again. + expect(checkerReadsLibrariesFromDisk(current.path, {})).toBe(true); + expect(checkerReadsLibrariesFromDisk(released.path, {})).toBe(false); + expect(readFileSync(current.log, "utf8").split("\n").length).toBe(2); + expect(readFileSync(released.log, "utf8").split("\n").length).toBe(2); + // tsgo is never asked. + const tsgo = checker("tsgo", 0); + expect(checkerReadsLibrariesFromDisk(tsgo.path, { SCRIPTC_CHECKER: "tsgo" })).toBe(false); + expect(existsSync(tsgo.log)).toBe(false); + }, +); diff --git a/packages/compiler/src/frontend/ts7/checker-features.ts b/packages/compiler/src/frontend/ts7/checker-features.ts new file mode 100644 index 000000000..b80a54994 --- /dev/null +++ b/packages/compiler/src/frontend/ts7/checker-features.ts @@ -0,0 +1,53 @@ +import { spawnSync } from "node:child_process"; +import { createHash } from "node:crypto"; +import { checkerBackend } from "./checker-backend.js"; +import { checkerExecutableIdentity } from "./lib-diagnostics.js"; + +/** Text entries kept between builds (the native compiler's cache). */ +export interface CheckerFeatureStore { + read(key: string): string | null; + write(key: string, text: string): void; +} + +let featureStore: CheckerFeatureStore | null = null; +const answers = new Map(); + +/** Keeps the answers of checkerReadsLibrariesFromDisk between builds. */ +export function setCheckerFeatureStore(store: CheckerFeatureStore | null): void { + featureStore = store; +} + +/** + * Whether the tsc-ts at `executable` takes `--api --default-libraries-from-disk`, which has it read the files + * of its default library directory from the disk instead of through the file system callbacks. tsc-ts releases + * before it reject the flag, so it is asked once per executable identity: the stored answer, or else + * `tsc-ts --api --default-libraries-from-disk` with an empty input, which exits with 0 when the flag is known + * and with a usage error when it is not. tsgo is never asked. + */ +export function checkerReadsLibrariesFromDisk( + executable: string, + env: NodeJS.ProcessEnv = process.env, +): boolean { + if (checkerBackend(env) !== "tsc-ts") return false; + const key = createHash("sha256") + .update(JSON.stringify(["default-libraries-from-disk", checkerExecutableIdentity(executable)])) + .digest("hex"); + const known = answers.get(key); + if (known !== undefined) return known; + const stored = featureStore?.read(key) ?? null; + let answer: boolean; + if (stored === "1" || stored === "0") answer = stored === "1"; + else { + const probe = spawnSync(executable, ["--api", "--default-libraries-from-disk"], { + encoding: "utf8", + stdio: "pipe", + timeout: 10_000, + }); + answer = probe.error === undefined && probe.status === 0; + // A probe that could not run says nothing about the flag: ask again next time. + if (probe.error === undefined && probe.status !== null) + featureStore?.write(key, answer ? "1" : "0"); + } + answers.set(key, answer); + return answer; +} diff --git a/packages/compiler/src/frontend/ts7/checker-server.ts b/packages/compiler/src/frontend/ts7/checker-server.ts index 6d80e2599..94c80f8db 100644 --- a/packages/compiler/src/frontend/ts7/checker-server.ts +++ b/packages/compiler/src/frontend/ts7/checker-server.ts @@ -19,14 +19,16 @@ export const CHECKER_SERVER_MEMORY = 2048; * answers, and the server keeps the files it parsed for the next build. * Returns the server's name, a digest of everything a server's answers * depend on besides the files it reads through the build: the tsc-ts - * executable, the working directory, the file system callbacks, timing, and - * the `TSC_TS_*` environment. Returns null when the shared server is not used. + * executable, the working directory, the file system callbacks, timing, + * whether it reads its library files from the disk, and the `TSC_TS_*` + * environment. Returns null when the shared server is not used. */ export function checkerServerName( executable: string, cwd: string, timing: boolean, env: NodeJS.ProcessEnv = process.env, + librariesFromDisk = false, ): string | null { if (env["SCRIPTC_CHECKER_SERVER"] !== "1") return null; if (process.platform !== "linux" && process.platform !== "darwin") return null; @@ -42,6 +44,7 @@ export function checkerServerName( cwd, TS7_FILE_SYSTEM_CALLBACKS, timing, + librariesFromDisk, tscTsEnv, ]), ) diff --git a/packages/compiler/src/frontend/ts7/native-api.ts b/packages/compiler/src/frontend/ts7/native-api.ts index f8e10efc5..fa0690e69 100644 --- a/packages/compiler/src/frontend/ts7/native-api.ts +++ b/packages/compiler/src/frontend/ts7/native-api.ts @@ -1,4 +1,5 @@ import { Ts7Api } from "./api.js"; +import { checkerReadsLibrariesFromDisk } from "./checker-features.js"; import { checkerServerName } from "./checker-server.js"; import { attachNativeTs7Process, spawnNativeTs7Wire } from "./native-process.js"; import { Ts7RpcClient } from "./rpc-client.js"; @@ -15,12 +16,17 @@ export function createNativeTs7Api(options: { shared?: boolean; }): Ts7Api { const timing = options.collectTiming ?? false; + // The checker reads its own library files when it can: they are part of the + // installed tsc-ts, so no build serves them differently. + const libraries = checkerReadsLibrariesFromDisk(options.executable); const server = - options.shared === false ? null : checkerServerName(options.executable, options.cwd, timing); + options.shared === false + ? null + : checkerServerName(options.executable, options.cwd, timing, process.env, libraries); const shared = server === null ? null - : attachNativeTs7Process(server, options.executable, options.cwd, timing); + : attachNativeTs7Process(server, options.executable, options.cwd, timing, libraries); if (shared !== null) { const rpc = new Ts7RpcClient(new Ts7Wire(shared)); try { @@ -32,7 +38,7 @@ export function createNativeTs7Api(options: { } } return new Ts7Api( - new Ts7RpcClient(spawnNativeTs7Wire(options.executable, options.cwd, timing)), + new Ts7RpcClient(spawnNativeTs7Wire(options.executable, options.cwd, timing, libraries)), options.fs, timing, ); diff --git a/packages/compiler/src/frontend/ts7/native-process.ts b/packages/compiler/src/frontend/ts7/native-process.ts index 0582ae673..d59543f32 100644 --- a/packages/compiler/src/frontend/ts7/native-process.ts +++ b/packages/compiler/src/frontend/ts7/native-process.ts @@ -10,6 +10,7 @@ declare function ts7NativeOpen( cwd: string, callbacks: string, timing: boolean, + librariesFromDisk: boolean, ): number; declare function ts7NativeAttach( name: string, @@ -17,6 +18,7 @@ declare function ts7NativeAttach( cwd: string, callbacks: string, timing: boolean, + librariesFromDisk: boolean, idleExit: number, memory: number, ): number; @@ -63,12 +65,26 @@ export class NativeTs7Process implements Ts7WireIo { private handle: number; readonly pid: number; - /** With `handle`, a connection to a shared checker server (attachNativeTs7Process). */ - constructor(executable: string, cwd: string, collectTiming = false, handle = 0) { + /** With `handle`, a connection to a shared checker server (attachNativeTs7Process). With + * `librariesFromDisk`, the server reads its default library files from the disk + * (checkerReadsLibrariesFromDisk). */ + constructor( + executable: string, + cwd: string, + collectTiming = false, + handle = 0, + librariesFromDisk = false, + ) { this.handle = handle !== 0 ? handle - : ts7NativeOpen(executable, cwd, TS7_FILE_SYSTEM_CALLBACKS, collectTiming); + : ts7NativeOpen( + executable, + cwd, + TS7_FILE_SYSTEM_CALLBACKS, + collectTiming, + librariesFromDisk, + ); if (this.handle === 0) throw nativeError("startup"); this.pid = ts7NativePid(this.handle); } @@ -125,6 +141,7 @@ export function attachNativeTs7Process( executable: string, cwd: string, collectTiming = false, + librariesFromDisk = false, ): NativeTs7Process | null { const handle = ts7NativeAttach( name, @@ -132,6 +149,7 @@ export function attachNativeTs7Process( cwd, TS7_FILE_SYSTEM_CALLBACKS, collectTiming, + librariesFromDisk, CHECKER_SERVER_IDLE_EXIT, CHECKER_SERVER_MEMORY, ); @@ -142,6 +160,7 @@ export function spawnNativeTs7Wire( executable: string, cwd: string, collectTiming = false, + librariesFromDisk = false, ): Ts7Wire { - return new Ts7Wire(new NativeTs7Process(executable, cwd, collectTiming)); + return new Ts7Wire(new NativeTs7Process(executable, cwd, collectTiming, 0, librariesFromDisk)); } diff --git a/packages/compiler/src/frontend/ts7/program-host.ts b/packages/compiler/src/frontend/ts7/program-host.ts index e66d598d9..84cbe2474 100644 --- a/packages/compiler/src/frontend/ts7/program-host.ts +++ b/packages/compiler/src/frontend/ts7/program-host.ts @@ -152,33 +152,37 @@ export class Ts7Host { private readonly virtualChanges = new Map(); private readonly closingProjects = new Set(); private readonly api: Ts7Api; + /** The text the server reads for a file (its readFile hook). */ + private readonly readSource: (fileName: string) => string | null; private closed = false; constructor(createApi: Ts7ApiFactory, options?: Ts7HostOptions) { const virtualFiles = this.virtualFiles; const shadow = options?.fsShadow ?? null; + // A virtual file, a shadow's replacement, a package shim's declaration + // entry or the file on disk; null when shadowed out of existence or + // missing. + this.readSource = (fileName) => { + const virtual = virtualFiles.get(tsgoPath(fileName)); + if (virtual !== undefined) return stripSourceBom(virtual); + if (shadow !== null) { + if (shadow.hideFile(fileName)) return null; + const replacement = shadow.readFile(fileName); + if (replacement !== undefined) return stripSourceBom(replacement); + } + // A package scriptc implements itself (package-shims.ts): its + // installed declaration entry re-exports the shim module, in every + // program the host creates. + const shim = packageShimDeclarationText(fileName); + if (shim !== undefined) return shim; + const source = trackedReadFile(fileName); + return source === null ? null : stripSourceBom(source); + }; this.api = createApi({ cwd: options?.cwd ?? process.cwd(), collectTiming: options?.collectTiming ?? false, fs: { - // string => virtual (or shadowed) hit; null => shadowed out of - // existence; undefined => real-FS fallthrough. - readFile: (fileName) => { - const virtual = virtualFiles.get(tsgoPath(fileName)); - if (virtual !== undefined) return stripSourceBom(virtual); - if (shadow !== null) { - if (shadow.hideFile(fileName)) return null; - const replacement = shadow.readFile(fileName); - if (replacement !== undefined) return stripSourceBom(replacement); - } - // A package scriptc implements itself (package-shims.ts): its - // installed declaration entry re-exports the shim module, in every - // program the host creates. - const shim = packageShimDeclarationText(fileName); - if (shim !== undefined) return shim; - const source = trackedReadFile(fileName); - return source === null ? null : stripSourceBom(source); - }, + readFile: this.readSource, fileExists: (fileName) => { if (virtualFiles.has(tsgoPath(fileName))) return true; if (shadow !== null && shadow.hideFile(fileName)) return false; @@ -193,6 +197,12 @@ export class Ts7Host { }); } + /** The text this host serves for a file (null when it serves none), + * without asking the server for its syntax tree. */ + sourceText(fileName: string): string | null { + return this.readSource(fileName); + } + /** Registers an in-memory file served to tsgo by the virtual-FS hooks. */ addVirtualFile(path: string, content: string): void { this.ensureOpen(); @@ -315,6 +325,12 @@ export class Ts7Program { return this.project.program.getSourceFile(resolve(fileName)); } + /** A file's text as the host serves it, without fetching its syntax + * tree (Ts7Host.sourceText). */ + getSourceText(fileName: string): string | null { + return this.host.sourceText(fileName); + } + getSourceFileNames(): readonly string[] { this.snapshot.ensureActive(); return (this.sourceFileNamesCache ??= this.project.program.getSourceFileNames()); diff --git a/packages/compiler/src/frontend/type-mapper.ts b/packages/compiler/src/frontend/type-mapper.ts index d1f77d124..25608e66f 100644 --- a/packages/compiler/src/frontend/type-mapper.ts +++ b/packages/compiler/src/frontend/type-mapper.ts @@ -2349,6 +2349,23 @@ function mapTypeInner(type: ts.Type, ctx: TypeMapperCtx): IrType | null { elem = unitOnlyUnion(unions); if (!elem) return null; + // `(T | undefined)[]` of a number, string or boolean T stores T + // elements: an array slot holds a present undefined by its own state, + // so a T[] seen as `(T | undefined)[]` stays the same array. + let optionalElements = false; + if (elem.kind === "union") { + const arms = unions.get(elem.unionId)?.arms; + const present = + arms?.length === 2 ? arms.find((arm) => arm.kind !== "undefinedT") : undefined; + if ( + present !== undefined && + arms!.some((arm) => arm.kind === "undefinedT") && + (present.kind === "f64" || present.kind === "string" || present.kind === "bool") + ) { + elem = present; + optionalElements = true; + } + } // A dyn ELEMENT makes the WHOLE array the checked-dynamic value: // `unknown[]`, `object[]`, and the collapsed `(string | object)[]` // (the plugins-slot shape) — the checked-dynamic tree has real arrays, so length/ @@ -2370,7 +2387,7 @@ function mapTypeInner(type: ts.Type, ctx: TypeMapperCtx): IrType | null { // drain of the auxiliary-server registries): handles are ordinary // refcounted REF elements (their `_v` adapters, no trace — both drop // their closures at their terminal event). - return arrayOf(elem); + return optionalElements ? { kind: "array", elem, optionalElements: true } : arrayOf(elem); } // Tuples: `[string, string]` maps to an interned RECORD shape flagged // `tuple`, with one field per position named by its index ("0", "1", ...) diff --git a/packages/compiler/src/index.ts b/packages/compiler/src/index.ts index cb59da5fe..8f26c12bc 100644 --- a/packages/compiler/src/index.ts +++ b/packages/compiler/src/index.ts @@ -46,6 +46,8 @@ export type { AnalyzeResult, } from "./compile-types.js"; import { compilePackedLibrary } from "./backend/library-pack.js"; +import { node24FetchCompatProfile } from "./compat/fetch-profile.js"; +import { libFnSignatures } from "./ir/builtin-signatures.js"; import { InternalCompilerError } from "./errors.js"; import { frontendProcessExecArgv } from "./frontend-process-args.js"; import { type ChildProcess, spawn } from "node:child_process"; @@ -214,11 +216,14 @@ export { export { renderCoverage, renderExplainDynamic, + renderExplainIsland, coverageEnvelope, coveragePasses, type CoverageInput, type CoverageFailOn, } from "./coverage/report.js"; +export type { NodeIslandReport, NodeIslandEntry } from "./node-islands/summary.js"; +export type { NodeIslandOptions, NodeIslandsMode } from "./node-islands/policy.js"; export { TIER_MODES, type DemotedUnit, @@ -246,7 +251,7 @@ export { type SurfaceManifestEntry, } from "./coverage/surface-manifest.js"; export { - NODE24_FETCH_COMPAT_PROFILE, + node24FetchCompatProfile, type FetchCompatEvidence, type FetchCompatFacet, type FetchCompatInventory, @@ -258,7 +263,13 @@ export { type FetchCompatOption, type FetchCompatProfile, } from "./compat/fetch-profile.js"; -export { LIB_FN_SIGS } from "./ir/builtin-signatures.js"; +export { libFnSignatures } from "./ir/builtin-signatures.js"; +/** @deprecated Use `libFnSignatures()`. Built when this module loads; the + * native compiler does not load this module. */ +export const LIB_FN_SIGS = libFnSignatures(); +/** @deprecated Use `node24FetchCompatProfile()`. Built when this module + * loads; the native compiler does not load this module. */ +export const NODE24_FETCH_COMPAT_PROFILE = node24FetchCompatProfile(); export { validateModule } from "./ir/validate.js"; export { assignLegacyTiers, @@ -416,8 +427,13 @@ export async function analyzeCached( return result; } -const nodeFrontend: FrontendFactory = (entry, npmStatic, externalTypes, libraryNpmStatic) => - runFrontend(entry, loadProgram, npmStatic, externalTypes, libraryNpmStatic); +const nodeFrontend: FrontendFactory = ( + entry, + npmStatic, + externalTypes, + libraryNpmStatic, + options, +) => runFrontend(entry, loadProgram, npmStatic, externalTypes, libraryNpmStatic, options); /** The checker's part of the executable cache key (`checkerCacheIdentity`), as the CLI's startup route computes it. */ function checkerField(): { checker?: string } { diff --git a/packages/compiler/src/ir/builtin-signatures.ts b/packages/compiler/src/ir/builtin-signatures.ts index 5e33dd767..7e35456b5 100644 --- a/packages/compiler/src/ir/builtin-signatures.ts +++ b/packages/compiler/src/ir/builtin-signatures.ts @@ -58,5111 +58,5156 @@ function defineLibFnSignatures( * together here; frontend coercion and IR validation consume the same table. * All arguments are required. Lowering supplies optional-source defaults * before this boundary and preserves their evaluation order. */ -export const LIB_FN_SIGS = defineLibFnSignatures({ - /** Native static fetch and its Web-platform companions. fetch.start - * answers once the response head arrives; the response body readers - * consume the native body stream. AbortSignal and ReadableStream values - * are opaque checked-dynamic handles. */ - "fetch.start": { argTypes: [STRING, DYN], result: { kind: "promise", inner: DYN } }, - "fetch.responseNew": { argTypes: [DYN, DYN], result: DYN }, - "fetch.responseJsonStatic": { argTypes: [DYN, DYN], result: DYN }, - "fetch.responseLight": { argTypes: [DYN], result: arrayOf(STRING) }, - "fetch.input": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "abort.controllerNew": { argTypes: [], result: DYN }, - /** EventTarget / Event / CustomEvent construction (scr_event_target.c): - * the Event constructors take the argument vector as one dyn array and - * throw Node's validation errors; `event.is` is `v instanceof Event` - * (kind 0), `CustomEvent` (1), `EventTarget` (2). addAbortListener - * answers the disposer (the Disposable's [Symbol.dispose]). */ - "event.targetNew": { argTypes: [], result: DYN }, - "event.new": { argTypes: [DYN], result: DYN }, - "event.customNew": { argTypes: [DYN], result: DYN }, - "event.is": { argTypes: [DYN, F64], result: BOOL }, - /** Compiled EventTarget and Event subclasses: the receiver is the - * instance (an object rooted at %EventTarget / %Event). targetInit and - * init are super() (init takes the argument vector as one dyn array - * and throws the constructor's validation errors; initType is the - * super(type) form with a string); targetCall runs an EventTarget method - * with the instance's own capsule as `self` (targetDispatch is its - * dispatchEvent(event) form, answering the bool); call, get and set - * reach the Event members. */ - "event.targetInit": { argTypes: [null], result: VOID }, - "event.init": { argTypes: [null, DYN], result: VOID }, - "event.initType": { argTypes: [null, STRING], result: VOID }, - /** %main hands the engine the compiled `listener.handleEvent` reader - * (lower-event-target.ts noteEventListeners). */ - "event.handleEventReader": { argTypes: [DYN], result: VOID }, - "event.targetDispatch": { argTypes: [null, DYN, DYN], result: BOOL }, - "event.targetCall": { argTypes: [null, DYN, STRING, DYN], result: DYN }, - "event.call": { argTypes: [null, STRING, DYN], result: DYN }, - "event.get": { argTypes: [null, STRING], result: DYN }, - "event.set": { argTypes: [null, STRING, DYN], result: VOID }, - "events.addAbortListener": { argTypes: [DYN, DYN], result: DYN }, - /** Blob / File (scr_blob.c): the constructors and slice() take their - * argument vector as one dyn array and throw Node's validation errors; - * the readers settle on Node's microtask turn for the Blob's parts. - * `blob.is` is `v instanceof Blob` (kind 0) or `File` (1). */ - "blob.new": { argTypes: [DYN], result: DYN }, - "blob.fileNew": { argTypes: [DYN], result: DYN }, - "blob.slice": { argTypes: [DYN, DYN], result: DYN }, - "blob.text": { argTypes: [DYN], result: { kind: "promise", inner: STRING } }, - "blob.bytes": { argTypes: [DYN], result: { kind: "promise", inner: BYTES_U8 } }, - "blob.arrayBuffer": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "blob.is": { argTypes: [DYN, F64], result: BOOL }, - /** WebAssembly (scr_wasm.c): modules translated at build time - * (wasm/translate.ts), found at run time by the SHA-256 of their bytes. - * compile and instantiate over bytes settle on a later loop turn; - * instantiate over a Module settles now, as in Node. `wasm.is` answers - * instanceof for Module, Instance, Memory, Table and Global (kinds 0-4) - * and CompileError, LinkError and RuntimeError (5-7); `wasm.errorNew` - * constructs one of the error classes (kind 5-7, message, options). */ - "wasm.compile": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "wasm.validate": { argTypes: [DYN], result: BOOL }, - "wasm.instantiate": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "wasm.moduleNew": { argTypes: [DYN], result: DYN }, - "wasm.instanceNew": { argTypes: [DYN, DYN], result: DYN }, - "wasm.is": { argTypes: [DYN, F64], result: BOOL }, - "wasm.errorNew": { argTypes: [F64, DYN, DYN], result: DYN }, - /** new WebAssembly.Memory(descriptor), Table(descriptor, value) and - * Global(descriptor, value) (an undefined value is the type's default); - * `wasm.withoutNew` throws the TypeError for Module, Instance, Memory, - * Table or Global (kinds 0-4) called without new, after its arguments - * evaluate. */ - "wasm.memoryNew": { argTypes: [DYN], result: DYN }, - "wasm.tableNew": { argTypes: [DYN, DYN], result: DYN }, - "wasm.globalNew": { argTypes: [DYN, DYN], result: DYN }, - "wasm.withoutNew": { argTypes: [F64, DYN, DYN], result: DYN }, - /** WebAssembly.Module.imports(module), exports(module) and - * customSections(module, name): checked-dynamic arrays of descriptor - * objects and ArrayBuffers. */ - "wasm.moduleImports": { argTypes: [DYN], result: DYN }, - "wasm.moduleExports": { argTypes: [DYN], result: DYN }, - "wasm.moduleCustomSections": { argTypes: [DYN, DYN], result: DYN }, - /** `v.valueOf()` on a WebAssembly-typed receiver: a Global's value, - * dyn.valueOf's answer for anything else. */ - "wasm.valueOf": { argTypes: [DYN], result: DYN }, - /** WebAssembly.compile (0), instantiate (1) and validate (2) as function - * values, and the namespace object holding them. */ - "wasm.function": { argTypes: [F64], result: DYN }, - "wasm.namespace": { argTypes: [], result: DYN }, - /** The global object viewed through a cast to a type with a WebAssembly - * member: an object holding the namespace. */ - "wasm.globalView": { argTypes: [], result: DYN }, - "abort.timeout": { argTypes: [DYN], result: DYN }, - "abort.now": { argTypes: [DYN], result: DYN }, - "abort.any": { argTypes: [DYN], result: DYN }, - "fetch.function": { argTypes: [], result: DYN }, - "fetch.requestNew": { argTypes: [DYN, DYN], result: DYN }, - "fetch.headersNew": { argTypes: [DYN], result: DYN }, - "fetch.responseArrayBuffer": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "fetch.responseJson": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "fetch.responseText": { argTypes: [DYN], result: { kind: "promise", inner: STRING } }, - "fetch.responseBytes": { argTypes: [DYN], result: { kind: "promise", inner: BYTES_U8 } }, - "fetch.abortControllerNew": { argTypes: [], result: DYN }, - "fetch.abortTimeout": { argTypes: [DYN], result: DYN }, - "fetch.abortNow": { argTypes: [DYN], result: DYN }, - "fetch.abortAny": { argTypes: [DYN], result: DYN }, - "fetch.streamNew": { argTypes: [DYN], result: DYN }, - "fetch.transformNew": { argTypes: [], result: DYN }, - // Program-dependent iterable: typed arrays/bytes/string stay intact so - // the native stream can pull lazily; checked-dynamic values are the - // fallback. The libCall validator in validate.ts checks the closed set. - "fetch.webIs": { argTypes: [DYN, STRING], result: BOOL }, - "fetch.streamIs": { argTypes: [DYN], result: BOOL }, - "fetch.streamFrom": { argTypes: [null], result: DYN }, - // The chunk/result record depends on ReadableStream; validated by validate.ts. - "fetch.readerRead": { argTypes: [DYN], result: VOID }, - /** Readable.fromWeb (scr_stream_from_web.c): the stream, objectMode, - * highWaterMark (< 0: the mode's default) and encoding ("": none). */ - "fetch.readableFromWeb": { argTypes: [DYN, BOOL, F64, STRING], result: VOID }, - "json.parse": { argTypes: [STRING], result: DYN }, - "json.parseReviver": { argTypes: [STRING, DYN], result: DYN }, - "json.stringifyReplacer": { argTypes: [DYN, DYN, STRING], result: DYN }, - "json.stringifyValue": { argTypes: [DYN, DYN, DYN], result: DYN }, - /** Keyed WRITE on a dyn value — `h.onDone = cb` / `h["k"] = v` on a - * checked-dynamic object (args: receiver, key string, value — all - * borrowed; the runtime copies the key and retains the value in). An - * OBJ receiver sets the member (later writes win, insertion order - * preserved — JS exactly); undefined/null throws Node's catchable - * "Cannot set properties of undefined (setting 'k')"; every other kind - * throws Node's STRICT-mode "Cannot create property 'k' on " — - * primitives quoting their rendering, V8's "on number '5'" - * (sloppy mode would ignore the write — suite tests are 'use strict'; - * SEMANTICS.md notes the sloppy divergence: the write throws). Void - * result; in the may-throw seed set. */ - "dyn.keySet": { argTypes: [DYN, STRING, DYN], result: VOID }, - "dyn.keySetComputed": { argTypes: [DYN, DYN, DYN], result: VOID }, - /** Delete an ordinary checked-native object's own key. Borrows both - * arguments; other receiver representations retain a runtime refusal. */ - "dyn.keyDelete": { argTypes: [DYN, STRING, BOOL], result: VOID }, - "dyn.keyDeleteComputed": { argTypes: [DYN, DYN, BOOL], result: VOID }, - "dyn.reflectDeleteProperty": { argTypes: [DYN, DYN], result: BOOL }, - "dyn.hasKeyComputed": { argTypes: [DYN, DYN], result: BOOL }, - "dyn.hasOwnComputed": { argTypes: [DYN, DYN], result: BOOL }, - "dyn.propertyIsEnumerableComputed": { argTypes: [DYN, DYN], result: BOOL }, - /** Native own properties on globalThis keyed by symbol identity. */ - "dyn.globalSymbolGet": { argTypes: [SYMBOL_T], result: DYN }, - "dyn.globalSymbolSet": { argTypes: [SYMBOL_T, DYN], result: VOID }, - "dyn.globalSymbolHas": { argTypes: [SYMBOL_T], result: BOOL }, - "dyn.globalSymbolDelete": { argTypes: [SYMBOL_T], result: VOID }, - /** Exact native class capsule identity, without materializing its fields. */ - "dyn.typedRefIs": { argTypes: [DYN, STRING], result: BOOL }, - /** A capsule boxed by this program from exactly this class: one key - * pointer test, false for equal keys boxed elsewhere. Guards fast paths - * whose fallback handles every other value. The key is a literal. */ - "dyn.typedRefKeyIs": { argTypes: [DYN, STRING], result: BOOL }, - "dyn.classIs": { argTypes: [DYN, STRING], result: BOOL }, - /** Destructuring pack over a dyn source — `const [a, b] = d`, a - * destructured dyn callback param (args: the source and the STATIC - * TypeError spelling, "" when the source has none — both borrowed; - * result: a fresh dyn array, +1). Iterable kinds collect like spread - * (arrays element-by-element, strings by code point, bytes by byte); - * every other kind throws V8's destructuring TypeError — the spelling - * verbatim when non-empty, else the runtime kind wording ("number 5 is - * not iterable (cannot read property Symbol(Symbol.iterator))"). In the - * may-throw seed set. */ - "dyn.iterPack": { argTypes: [DYN, STRING], result: DYN }, - "dyn.mathFold": { argTypes: [DYN, BOOL, STRING], result: F64 }, - "dyn.destructureRest": { argTypes: [DYN, STRING], result: DYN }, - "dyn.arrayFromIterator": { argTypes: [DYN], result: DYN }, - "dyn.iterator": { argTypes: [DYN, STRING], result: DYN }, - /** for await over a checked-dynamic value: the loop's iterator (a - * compiled async generator, Symbol.asyncIterator's result, or the sync - * iterator), and whether that iterator is synchronous. */ - "dyn.asyncIteratorOpen": { argTypes: [DYN, STRING], result: DYN }, - "dyn.asyncIteratorWasSync": { argTypes: [], result: BOOL }, - "dyn.iteratorResult": { argTypes: [DYN], result: DYN }, - "dyn.iteratorCanStep": { argTypes: [DYN, DYN], result: BOOL }, - "dyn.iteratorStep": { argTypes: [DYN], result: DYN }, - "dyn.iteratorStepDone": { argTypes: [DYN], result: BOOL }, - "dyn.setGeneratorMembers": { argTypes: [DYN, DYN], result: VOID }, - "dyn.iteratorHelperMethod": { argTypes: [STRING], result: DYN }, - "dyn.collectionIteratorIndex": { argTypes: [DYN], result: F64 }, - "dyn.mapSeedEntries": { argTypes: [DYN], result: DYN }, - "dyn.mapSeedEntry": { argTypes: [DYN], result: DYN }, - /** The for-of-over-dyn pack accessors — the emitted index loop drives - * them over a dyn.iterPack result (ARR by construction). arrLen: the - * ARR length as f64 (0 for non-ARR kinds; arg borrowed). arrAt: the - * element at index (+1; the undefined singleton past the end). Neither - * throws. */ - "dyn.arrLen": { argTypes: [DYN], result: F64 }, - "dyn.arrAt": { argTypes: [DYN, F64], result: DYN }, - /** `key in v` with a RUNTIME (string) key on a checked-dynamic - * receiver (args: value dyn, key string; result bool): OBJ answers - * own-member presence, ARR answers 'length'/a valid index — exactly - * the literal-key dynHasKey path. Proxy has traps may throw. */ - "dyn.hasKey": { argTypes: [DYN, STRING], result: BOOL }, - /** The `in` operator with a runtime string key: dyn.hasKey plus the - * members inherited from builtin and compiled class prototypes. */ - "dyn.in": { argTypes: [DYN, STRING], result: BOOL }, - "dyn.freeze": { argTypes: [DYN], result: DYN }, - "dyn.isFrozen": { argTypes: [DYN], result: BOOL }, - /** Object.defineProperty on a declared class field (scr_json.c): the - * field's current value (borrowed), its FIELD_* attribute word, the - * instance's CLASS_* integrity word, the field name and the descriptor. - * Validates as Node does (TypeError "Cannot redefine property: f") and - * answers a one-property holder of the defined value and attributes (+1), - * read back with class.definedBits and class.definedValue. */ - "class.defineField": { argTypes: [DYN, F64, F64, STRING, DYN], result: DYN }, - "class.definedBits": { argTypes: [DYN, STRING], result: F64 }, - "class.definedValue": { argTypes: [DYN, STRING], result: DYN }, - /** Whether a property descriptor has a `value` member. */ - "class.descriptorHasValue": { argTypes: [DYN], result: BOOL }, - /** Throws Node's TypeError for a write to a read-only class field: the - * field name and the instance's class name. */ - "class.throwReadOnly": { argTypes: [STRING, STRING], result: VOID }, - /** Throws Node's TypeError for a class field initializer on a - * non-extensible instance: the field name. */ - "class.throwNotExtensible": { argTypes: [STRING], result: VOID }, - /** Object.freeze of a record whose shape is freezable (frozen-records.ts): - * sets the frozen bit in its rc word (scr_record_freeze). The receiver is - * any record type. */ - "record.freeze": { argTypes: [null], result: VOID }, - /** Whether a record is frozen: its rc word's frozen bit, set by - * record.freeze and dyn.freeze of a capsule. Emitted inline. The receiver - * is any record type. */ - "record.isFrozen": { argTypes: [null], result: BOOL }, - /** Throws Node's TypeError for a write to a frozen record: the key, the - * object's text in the message ("#") and the operation (0 assign, - * 1 add, 2 delete). */ - "record.throwFrozen": { argTypes: [STRING, STRING, F64], result: VOID }, - /** Object.freeze of an array (scr_arr_freeze): sets its frozen bit, which - * the write guards of IrModule.freezableArrays test, and isFrozen reads. - * The receiver is any array type. */ - "array.freeze": { argTypes: [null], result: VOID }, - "array.isFrozen": { argTypes: [null], result: BOOL }, - /** Object.freeze, seal or preventExtensions of a Map or Set - * (scr_map_prevent_extensions), which only makes it not extensible: its - * entries stay writable. The receiver is any map or set type. */ - "collection.preventExtensions": { argTypes: [null], result: VOID }, - "collection.isExtensible": { argTypes: [null], result: BOOL }, - "dyn.nativeSetNew": { argTypes: [DYN], result: DYN }, - "dyn.nativeSetIs": { argTypes: [DYN], result: BOOL }, - "dyn.nativeMapIs": { argTypes: [DYN], result: BOOL }, - "dyn.nativeUrlIs": { argTypes: [DYN], result: BOOL }, - "dyn.nativeDateIs": { argTypes: [DYN], result: BOOL }, - "dyn.nativeDateHandleIs": { argTypes: [DYN], result: BOOL }, - /** A builtin constructor (`Object`, `Date`, `RegExp`, `Map`, `Set`, - * `Promise`, `WeakMap`, `WeakSet`) read as a JavaScript value: one - * interned function per name, the same one dynamic values answer for - * `.constructor`. The name is a compiler-chosen literal. */ - "dyn.globalConstructor": { argTypes: [STRING], result: DYN }, - /** A builtin global function (setTimeout, setInterval, setImmediate, - * the clear functions, queueMicrotask, process.nextTick) read as a - * JavaScript value: one interned function per name whose calls run the - * timer APIs (it pulls in the event loop). The name is a compiler-chosen - * literal. */ - "dyn.builtinFunction": { argTypes: [STRING], result: DYN }, - "dyn.namespaceNew": { argTypes: [STRING, DYN], result: DYN }, - "dyn.namespaceDefine": { argTypes: [DYN, STRING, DYN, F64, F64], result: VOID }, - "date.nativeNew": { argTypes: [DYN], result: DYN }, - /** `new Date(year, monthIndex, ...)` in JavaScript: the argument array's - * first seven values pass through ToNumber in order (later ones are - * evaluated, never converted), then the local-time field constructor. */ - "date.nativeNewFields": { argTypes: [DYN], result: DYN }, - /** `new Date(value)` in JavaScript: a string argument parses with V8's - * full date parser; every other value constructs as date.nativeNew. */ - "date.nativeNewValue": { argTypes: [DYN], result: DYN }, - "date.argumentsTime": { argTypes: [DYN], result: DATE_T }, - "date.classOperation": { argTypes: [DYN, DYN], result: VOID }, - "date.checkedValue": { argTypes: [DYN], result: DATE_T }, - "dyn.nativeRegexIs": { argTypes: [DYN], result: BOOL }, - /** toString() on a checked-dynamic receiver: runtime kind dispatch - * (bytes decode per the literal encoding — utf8 default; strings, - * numbers, booleans, arrays, objects answer JS-exactly; undefined and - * null throw the catchable TypeError). */ - "dyn.toString": { argTypes: [DYN, DYN, STRING], result: STRING }, - "dyn.valueOf": { argTypes: [DYN, STRING], result: DYN }, - /** Object.defineProperties over dyn values (args: target, descriptors — - * both borrowed dyn; result: the target, +1 — JS's return value). - * Value descriptors become own properties on OBJ and FUNC targets; - * OBJ targets preserve data attributes. get/set - * descriptors and non-object targets/descriptors throw catchably - * (Node's TypeError texts; accessors the "not supported yet" Error). In - * the may-throw seed set. */ - "dyn.defineProps": { argTypes: [DYN, DYN], result: DYN }, - "dyn.defineProperty": { argTypes: [DYN, DYN, DYN], result: DYN }, - "dyn.getOwnPropertyDescriptor": { argTypes: [DYN, DYN], result: DYN }, - "dyn.arrayProtoCall": { argTypes: [DYN, STRING, DYN], result: DYN }, - /** Promise.all / Promise.allSettled / Promise.any over a spread - * checked-dynamic array: the values, the settled-record array, or the - * first fulfillment (AggregateError once every entry rejects). - * Thenable elements adopt; the second argument reads a program class - * instance's `then` (the compiled property dispatch). */ - "dyn.promiseAll": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "dyn.promiseAllSettled": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "dyn.promiseAny": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - /** PromiseResolve over one checked-dynamic value: the promise it holds, - * a promise that adopts a thenable's settlement, or a promise fulfilled - * with the value. The second argument reads `then` as above. */ - "dyn.promiseResolve": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - /** Bare `typeof v` on a dyn value AS A STRING (arg: the dyn value, - * borrowed; result: an owned string) — the dyn kind's JS answer: - * undefined→"undefined", null/object/array/bytes→"object" (JS's oldest - * wart preserved), boolean/number/string by kind, function→"function". - * Never throws. */ - "dyn.typeof": { argTypes: [DYN], result: STRING }, - /** Object.prototype.toString.call on a checked-dynamic value. */ - "dyn.objectTag": { argTypes: [DYN], result: STRING }, - /** Engine-free CommonJS module graph. Module values are scalar f64 - * handles; generated startup defines the registry, init wrappers update - * loading/cache state, and the read surface answers Node's live metadata. */ - "module.registryInit": { argTypes: [F64], result: VOID }, - "module.define": { argTypes: [F64, STRING, STRING, STRING, arrayOf(STRING), BOOL], result: VOID }, - "module.enter": { argTypes: [F64], result: VOID }, - "module.link": { argTypes: [F64, F64], result: VOID }, - "module.finish": { argTypes: [F64], result: VOID }, - "module.fail": { argTypes: [F64], result: VOID }, - "module.filename": { argTypes: [F64], result: STRING }, - "module.id": { argTypes: [F64], result: STRING }, - "module.path": { argTypes: [F64], result: STRING }, - "module.paths": { argTypes: [F64], result: arrayOf(STRING) }, - "module.children": { argTypes: [F64], result: arrayOf(F64) }, - "module.parent": { argTypes: [F64], result: F64 }, - "module.loaded": { argTypes: [F64], result: BOOL }, - "module.cacheGet": { argTypes: [STRING], result: F64 }, - "module.cacheHas": { argTypes: [STRING], result: BOOL }, - "module.cacheKeys": { argTypes: [], result: arrayOf(STRING) }, - "timers.setTimeout": { argTypes: [{ kind: "func", params: [], ret: VOID }, F64], result: VOID }, - /** The repeating timer pair. setInterval takes (callback, ms) like - * setTimeout and RETURNS the f64 handle the fallback declarations - * promise (ids start at 1, so truthiness narrowing works); the loop - * owns the callback until clearInterval removes the entry (eagerly — a - * live interval keeps the loop alive, a cleared one releases it, like - * Node). Neither throws; a throw ESCAPING an interval callback ends the - * program like a setTimeout throw. */ - "timers.setInterval": { argTypes: [{ kind: "func", params: [], ret: VOID }, F64], result: F64 }, - "timers.clearInterval": { argTypes: [F64], result: VOID }, - /** setTimeout WITH a clear handle (the f64 id) — the clearable/unref-able - * one-shot; clearTimeout cancels it, .unref() drops it from loop - * liveness. The plain timers.setTimeout stays the handle-less - * fire-and-forget. */ - "timers.setTimeoutHandle": { - argTypes: [{ kind: "func", params: [], ret: VOID }, F64], - result: F64, - }, - "timers.clearTimeout": { argTypes: [F64], result: VOID }, - /** Timeout.unref()/ref()/hasRef() — loop-liveness bookkeeping over the - * handle id. unref/ref RETURN the handle (f64) for chaining; hasRef - * returns bool. */ - "timers.unref": { argTypes: [F64], result: F64 }, - "timers.ref": { argTypes: [F64], result: F64 }, - "timers.hasRef": { argTypes: [F64], result: BOOL }, - /** Timeout.refresh() — re-arm to now + the original delay (from the - * heap or from inside the firing callback; a one-shot that fired on an - * earlier turn is gone and no-ops — documented divergence). Returns - * the handle for chaining like unref/ref. */ - "timers.refresh": { argTypes: [F64], result: F64 }, - /** setImmediate/clearImmediate — Node's check phase: callbacks run - * once per loop turn AFTER due timers, FIFO, and immediates queued - * mid-phase wait for the next turn. setImmediate returns the f64 - * handle (its own id space — clearTimeout of an Immediate no-ops, - * like Node); the Immediate ref trio mirrors the Timeout one (an - * unref'd pending immediate neither keeps the loop alive nor fires - * once nothing reffed remains). */ - "timers.setImmediate": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: F64 }, - /** queueMicrotask (scr_async.c): the callback enters the SAME FIFO - * promise continuations ride — one microtask order, like V8's queue — - * and a throw is an UNCAUGHT exception (never a rejection). - * timers.queueMicrotask takes an owned zero-param closure and never - * throws; the Dyn form (checked-dynamic arguments — the mustCall - * wrapper, the suite's invalid-input probes) throws Node's - * ERR_INVALID_ARG_TYPE synchronously on a non-function value and calls - * the function with zero arguments at drain. */ - "timers.queueMicrotask": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: VOID }, - "timers.queueMicrotaskDyn": { argTypes: [DYN], result: VOID }, - "timers.clearImmediate": { argTypes: [F64], result: VOID }, - /** process.nextTick(cb, ...args) — the user tick queue. args: [cb - * (() => void; trailing call arguments ride the timer surface's - * interned dyn thunk)]. Ticks drain BEFORE promise jobs at every loop - * checkpoint, to joint exhaustion with them (Node's tick-then- - * microtask order); ticks enqueued by station listeners run at the - * NEXT checkpoint (the stream-tick station divergence, SEMANTICS.md). - * Pending ticks are always-ready work — the loop neither sleeps nor - * exits while any exist; ticks scheduled from 'exit' listeners never - * run (Node). The enqueue itself never throws. */ - "process.nextTick": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: VOID }, - /** The process introspection statics. uptime: seconds since the - * binary's own start (fractional — a load-time monotonic anchor). - * availableMemory/constrainedMemory: libuv's numbers (free-ish bytes; - * the cgroup cap or 0). cpuUser/cpuSystem (+ threadCpu twins): the - * process/thread CPU clocks in microseconds — the frontend composes - * the {user, system} records. The *Diff forms answer current − prev - * for one field; cpuPrevValidate throws Node's ERR_INVALID_ARG_VALUE - * RangeError for negative/non-finite prev fields (user first, then - * system — Node's order; MAY THROW). rusage(idx): one - * process.resourceUsage() field by canonical index (Node's units). - * activeResources: the loop's own bookkeeping — 'Timeout' per armed - * (or firing, uncleared) timer, 'Immediate' per queued unfired - * immediate; unmodeled resource kinds are absent (SEMANTICS.md). */ - "process.uptime": { argTypes: [], result: F64 }, - /** perf_hooks performance.now(): fractional ms since process start. */ - "perf.now": { argTypes: [], result: F64 }, - /** perf_hooks user timing over the thread's performance timeline. The - * producing calls take the call's whole argument vector as one dyn - * array (Node's validation and errors run in the runtime, MAY THROW): - * mark/measure answer 1, entries(args, which) the entry count of - * getEntries (0), getEntriesByName (1) or getEntriesByType (2). The - * entryName/Type/Start/Duration/Detail accessors read entry i of that - * answer; the frontend builds a new entry's record from them and hands - * it to entryKeep (a typed reference capsule), and the getters read the - * kept records back through entryRef, so entries keep their identity. */ - "perf.mark": { argTypes: [DYN], result: F64 }, - "perf.measure": { argTypes: [DYN], result: F64 }, - "perf.entries": { argTypes: [DYN, F64], result: F64 }, - "perf.clearMarks": { argTypes: [DYN], result: VOID }, - "perf.clearMeasures": { argTypes: [DYN], result: VOID }, - "perf.entryName": { argTypes: [F64], result: STRING }, - "perf.entryType": { argTypes: [F64], result: STRING }, - "perf.entryStart": { argTypes: [F64], result: F64 }, - "perf.entryDuration": { argTypes: [F64], result: F64 }, - "perf.entryDetail": { argTypes: [F64], result: DYN }, - "perf.entryKeep": { argTypes: [DYN], result: VOID }, - "perf.entryRef": { argTypes: [F64], result: DYN }, - /** perf_hooks event-loop metrics (scr_perf_loop.c): loopStart is the - * loop's start in performance.now() ms (0 before it), idleTime the idle - * ms since. eldNew(resolution ms) creates a monitorEventLoopDelay - * histogram handle (MAY THROW Node's resolution RangeError); enable/disable answer whether the state changed; - * eldPercentile expects Node's validated range; eldStat(which) reads - * 0 min, 1 max, 2 mean, 3 stddev, 4 count, 5 exceeds. */ - "perf.loopStart": { argTypes: [], result: F64 }, - "perf.idleTime": { argTypes: [], result: F64 }, - "perf.eldNew": { argTypes: [F64], result: F64 }, - "perf.eldEnable": { argTypes: [F64], result: BOOL }, - "perf.eldDisable": { argTypes: [F64], result: BOOL }, - "perf.eldReset": { argTypes: [F64], result: VOID }, - "perf.eldPercentile": { argTypes: [F64, F64], result: F64 }, - "perf.eldStat": { argTypes: [F64, F64], result: F64 }, - /** process.memoryUsage(): memoryUsageTake samples the resident set and - * the runtime heap once (MAY THROW Node's uv_resident_set_memory error) - * and memoryUsageField(k) reads that sample (0 rss, 1 heapTotal, 2 - * heapUsed, 3 external, 4 arrayBuffers). rss is memoryUsage.rss(). */ - "process.memoryUsageTake": { argTypes: [], result: VOID }, - "process.memoryUsageField": { argTypes: [F64], result: F64 }, - "process.rss": { argTypes: [], result: F64 }, - "process.availableMemory": { argTypes: [], result: F64 }, - "process.constrainedMemory": { argTypes: [], result: F64 }, - "process.cpuUser": { argTypes: [], result: F64 }, - "process.cpuSystem": { argTypes: [], result: F64 }, - "process.cpuUserDiff": { argTypes: [F64], result: F64 }, - "process.cpuSystemDiff": { argTypes: [F64], result: F64 }, - "process.threadCpuUser": { argTypes: [], result: F64 }, - "process.threadCpuSystem": { argTypes: [], result: F64 }, - "process.threadCpuUserDiff": { argTypes: [F64], result: F64 }, - "process.threadCpuSystemDiff": { argTypes: [F64], result: F64 }, - "process.cpuPrevValidate": { argTypes: [F64, F64], result: VOID }, - "process.rusage": { argTypes: [F64], result: F64 }, - "process.activeResources": { argTypes: [], result: arrayOf(STRING) }, - "timers.immediateUnref": { argTypes: [F64], result: F64 }, - "timers.immediateRef": { argTypes: [F64], result: F64 }, - "timers.immediateHasRef": { argTypes: [F64], result: BOOL }, - /** The tolerated non-handle clear (`clearTimeout(null)`, - * `clearInterval({})`, zero-argument forms): Node ignores anything - * that is not a live handle without an error — a VOID no-op the emitter drops - * (only syntactically side-effect-free arguments take this path). */ - "timers.clearNoop": { argTypes: [], result: VOID }, - // Signal listeners are zero-param (the ambient shape); exit/stdin - // callbacks carry program-dependent one-param shapes — null slots, the - // libCall case checks them (child.onExit precedent). - /** Named process signal events: [name string, callback dyn, once bool] - * or [name, callback] for removal. The runtime resolves platform signal - * numbers and delivers (name, number). Listeners do not keep the loop - * alive. Invalid callbacks and uncatchable signals throw. */ - "process.onSignal": { argTypes: [STRING, DYN, BOOL], result: VOID }, - "process.offSignal": { argTypes: [STRING, DYN], result: VOID }, - /** The process 'exit' event — process.on/once/off("exit"). args: [cb, - * once bool] / [cb]. Listeners run SYNCHRONOUSLY at termination - * (normal exit, process.exit(), the uncaught/unhandled exit-1 paths) - * with the exit code; anything they schedule never runs, like Node. - * Callback shapes: () => void or (code: number) => void — the emitter - * picks the runtime adapter. Never throw. */ - "process.onExit": { argTypes: [null, BOOL], result: VOID }, - "process.offExit": { argTypes: [null], result: VOID }, - /** process.stdin listener registration — stdin.on/once("data" | "end" | - * "error", cb). args: [cb, once bool]. data callbacks: () => void or - * (chunk: Uint8Array) => void; end: () => void; error: () => void or - * (err: Error) => void (the child error adapters are reused). While a - * data listener (or a parked for-await chunk promise) exists, stdin - * keeps the loop alive — Node's flowing-stdin keep-alive. Never - * throw. */ - "stdin.onData": { argTypes: [null, BOOL], result: VOID }, - "stdin.onEnd": { argTypes: [{ kind: "func", params: [], ret: VOID }, BOOL], result: VOID }, - "stdin.onError": { argTypes: [null, BOOL], result: VOID }, - /** process.stdin.on/once('keypress', cb) (scr_readline_tty.c): cb is the - * listener as a checked-dynamic function, called with (str, key). */ - "stdin.onKeypress": { argTypes: [DYN, BOOL], result: VOID }, - /** The for-await chunk source over process.stdin: no args, result - * Promise (+1). Fulfills with the next arrived chunk; the - * EMPTY bytes value is the done sentinel (POSIX reads never deliver - * empty data chunks), which the for-await desugar turns into loop - * exit. Never throws itself; awaiting it re-throws nothing (stdin - * errors surface through 'error' listeners, not the iterator). */ - "stdin.nextChunk": { argTypes: [], result: { kind: "promise", inner: BYTES_U8 } }, - "fs.readFileSync": { argTypes: [STRING, STRING], result: STRING }, - "fs.readFileEncoded": { argTypes: [STRING, STRING], result: STRING }, - "fs.readFdEncoded": { argTypes: [F64, STRING], result: STRING }, - /** readFileSync(path) — the Buffer read (+1 bytes); throws catchably - * like the utf8 form. */ - "fs.readFileSyncBuf": { argTypes: [STRING], result: BYTES_U8 }, - /** readFileSync(path, enc) with a RUNTIME encoding (an untyped JS - * parameter): undefined/null answer Buffers, utf8 a string, other real - * encodings throw the "not supported yet" Error, unknown names throw - * ERR_UNKNOWN_ENCODING. */ - "fs.readFileSyncDyn": { argTypes: [STRING, DYN], result: DYN }, - "fs.writeFileSync": { argTypes: [STRING, STRING], result: VOID }, - "fs.appendFileSync": { argTypes: [STRING, STRING], result: VOID }, - "fs.existsSync": { argTypes: [STRING], result: BOOL }, - "fs.mkdirSync": { argTypes: [STRING], result: VOID }, - "fs.rmSync": { argTypes: [STRING], result: VOID }, - "fs.rmdirSync": { argTypes: [STRING], result: VOID }, - "fs.readdirSync": { argTypes: [STRING], result: arrayOf(STRING) }, - // Result is the call site's Dirent record array (VOID is the - // structure-checked sentinel, the os.networkInterfaces pattern). - /** `fs.readdirSync(path, { withFileTypes: true })` — Dirent rows over - * one readdir pass (scr_lib.c's scandir snapshot; DT_UNKNOWN falls back - * to lstat, Node's getDirents rule). The result type is the call site's - * interned Dirent record array (name, parentPath, hidden %dtype in - * libuv's UV_DIRENT encoding) — verified by the frontend; the emitter - * assembles the rows from the snapshot. Byte order on POSIX (libuv - * sorts), the directory's order on Windows; no "."/"..". Throws - * Node's scandir errno error (may-throw seed set); fresh +1 array. */ - "fs.readdirTypesSync": { argTypes: [STRING], result: VOID }, - /** fs.globSync / fs.glob / fs/promises glob (scr_glob.c, Node's - * lib/internal/fs/glob.js walk): pattern and options are dyn values the - * runtime validates in Node's order. The string forms answer string[]; - * the Dirent forms answer the call site's Dirent record array (validated - * in validate.ts) assembled from the snapshot; fs.callbackGlob takes the - * argument vector and calls back with string[]. */ - "fs.globSync": { argTypes: [DYN, DYN], result: arrayOf(STRING) }, - "fs.globTypesSync": { argTypes: [DYN, DYN], result: VOID }, - "fs.callbackGlob": { argTypes: [DYN], result: VOID }, - "fsp.globStrings": { argTypes: [DYN, DYN], result: arrayOf(STRING) }, - "fsp.globTypes": { argTypes: [DYN, DYN], result: VOID }, - /** The error an fs/promises glob walk ended with (undefined when none), - * read once right after fsp.globStrings / fsp.globTypes. */ - "fsp.globError": { argTypes: [], result: DYN }, - /** fs.Dir (scr_lib.c): opendirSync(path, bufferSize) throws Node's - * opendir error (or the options.bufferSize RangeError); dir.readSync - * answers the call site's `Dirent | null` (VOID here — the emitter builds - * the row like readdirTypesSync) and dir.read is its promise twin; - * readSync and closeSync throw ERR_DIR_CLOSED on a closed Dir, read and - * close reject with it. */ - "fs.opendirSync": { argTypes: [STRING, F64], result: DIR_T }, - "fsp.opendir": { argTypes: [STRING, F64], result: { kind: "promise", inner: DIR_T } }, - "dir.path": { argTypes: [DIR_T], result: STRING }, - "dir.readSync": { argTypes: [DIR_T], result: VOID }, - "dir.read": { argTypes: [DIR_T], result: { kind: "promise", inner: VOID } }, - "dir.closeSync": { argTypes: [DIR_T], result: VOID }, - "dir.close": { argTypes: [DIR_T], result: { kind: "promise", inner: VOID } }, - /** node:path (scr_path.c ports BOTH of Node's implementations - * function-by-function): the `path.*` family is posix, the - * `path.win32*` family is Node v24's path.win32 ported exactly — the - * frontend binds the bare module to the TARGET platform's family - * (Node on Windows IS path.win32) and the path.posix / path.win32 - * namespaces to their own family everywhere. join and resolve take ONE - * string[] arg — the frontend packs the variadic call's arguments into - * an array literal. basename always receives its suffix (the frontend - * completes an omitted one with "", a Node no-op). toNamespacedPath is - * the posix identity and the win32 \\?\-prefixer. None of these throw; - * the resolves consult the process cwd like Node's. */ - "path.join": { argTypes: [arrayOf(STRING)], result: STRING }, - "path.resolve": { argTypes: [arrayOf(STRING)], result: STRING }, - "path.normalize": { argTypes: [STRING], result: STRING }, - "path.dirname": { argTypes: [STRING], result: STRING }, - "path.basename": { argTypes: [STRING, STRING], result: STRING }, - "path.extname": { argTypes: [STRING], result: STRING }, - "path.isAbsolute": { argTypes: [STRING], result: BOOL }, - "path.relative": { argTypes: [STRING, STRING], result: STRING }, - "path.toNamespacedPath": { argTypes: [STRING], result: STRING }, - "path.win32Join": { argTypes: [arrayOf(STRING)], result: STRING }, - "path.win32Resolve": { argTypes: [arrayOf(STRING)], result: STRING }, - "path.win32Normalize": { argTypes: [STRING], result: STRING }, - "path.win32Dirname": { argTypes: [STRING], result: STRING }, - "path.win32Basename": { argTypes: [STRING, STRING], result: STRING }, - "path.win32Extname": { argTypes: [STRING], result: STRING }, - "path.win32IsAbsolute": { argTypes: [STRING], result: BOOL }, - "path.win32Relative": { argTypes: [STRING, STRING], result: STRING }, - "path.win32ToNamespacedPath": { argTypes: [STRING], result: STRING }, - /** path.parse: [root, dir, base, ext, name] as a fresh string[] (the - * frontend builds the ParsedPath record); path.format: the pathObject's - * root, dir, base, name and ext with undefined spelled "". */ - "path.parse": { argTypes: [STRING], result: arrayOf(STRING) }, - "path.win32Parse": { argTypes: [STRING], result: arrayOf(STRING) }, - "path.format": { argTypes: [STRING, STRING, STRING, STRING, STRING], result: STRING }, - "path.win32Format": { argTypes: [STRING, STRING, STRING, STRING, STRING], result: STRING }, - /** path.matchesGlob(path, pattern): Node's matchGlobPattern over its - * bundled minimatch (scr_glob.c). Both families match case-insensitively - * on macOS and Windows hosts like Node's; win32 also accepts either - * separator. Throws TypeError for a pattern over 64 Ki code units, - * RangeError for a brace sequence too long to expand, and SyntaxError - * when a segment's regex is invalid under the u flag. */ - "path.matchesGlob": { argTypes: [STRING, STRING], result: BOOL }, - "path.win32MatchesGlob": { argTypes: [STRING, STRING], result: BOOL }, - /** node:os: homedir is $HOME else getpwuid(3); tmpdir is Node's env - * cascade ($TMPDIR/$TMP/$TEMP else /tmp, one trailing slash trimmed). - * os.platform() lowers to process.platform — one implementation. */ - "os.homedir": { argTypes: [], result: STRING }, - /** os.release(): uname(2)'s release field — Node's own implementation - * (the kernel version string, e.g. "24.6.0" on macOS 15). Interned; +1 - * per read. Never throws. */ - "os.release": { argTypes: [], result: STRING }, - /** os.type(): uname(2)'s sysname ("Darwin", "Linux"; "Windows_NT" on - * win32) — Node's uv_os_uname answer. Interned per call; never throws. */ - "os.type": { argTypes: [], result: STRING }, - /** os.totalmem(): total physical memory in bytes. Never throws. */ - "os.totalmem": { argTypes: [], result: F64 }, - /** os.availableParallelism(): CPUs the process may use (libuv's answer), >= 1. Never throws. */ - "os.availableParallelism": { argTypes: [], result: F64 }, - /** os.hostname/machine/version/endianness, freemem, uptime and loadavg: - * libuv's answers (uname's machine and version fields, gethostname, - * "LE"/"BE", free memory in bytes, uptime in seconds, the three load - * averages). Fresh results; never throw. */ - "os.hostname": { argTypes: [], result: STRING }, - "os.machine": { argTypes: [], result: STRING }, - "os.version": { argTypes: [], result: STRING }, - "os.endianness": { argTypes: [], result: STRING }, - "os.freemem": { argTypes: [], result: F64 }, - "os.uptime": { argTypes: [], result: F64 }, - "os.loadavg": { argTypes: [], result: arrayOf(F64) }, - /** os.getPriority(pid): validateInt32 (RangeError ERR_OUT_OF_RANGE), - * then the priority; a failure throws Node's SystemError. */ - "os.getPriority": { argTypes: [F64], result: F64 }, - /** os.setPriority(pid, priority): validateInt32 for both (priority in - * -20..19, RangeError ERR_OUT_OF_RANGE), then the priority; a failure - * throws Node's SystemError. */ - "os.setPriority": { argTypes: [F64, F64], result: VOID }, - /** os.cpus(): cpusTake snapshots every CPU and answers the count; - * cpusModel(i) and cpusField(i, k) (k: 0 speed, 1 user, 2 nice, 3 sys, - * 4 idle, 5 irq) read the snapshot. Never throw. */ - "os.cpusTake": { argTypes: [], result: F64 }, - "os.cpusModel": { argTypes: [F64], result: STRING }, - "os.cpusField": { argTypes: [F64, F64], result: F64 }, - /** os.constants: the per-thread null-prototype constants object (dlopen, - * errno, signals, priority, UV_UDP_REUSEADDR). Never throws. */ - "os.constants": { argTypes: [], result: DYN }, - /** fs.constants: the target's cached null-prototype constants object. */ - "fs.constants": { argTypes: [], result: DYN }, - /** The deprecated node:constants object (scr_os.c): the os groups and - * fs.constants merged with the borrowed baked crypto.constants table, - * frozen, one per thread. */ - "constants.object": { argTypes: [DYN], result: DYN }, - /** umask(2): arg < 0 reads without setting (umask has no read-only form - * — set 0, restore); otherwise sets and answers the PREVIOUS mask. - * Never throws. */ - "process.umask": { argTypes: [F64], result: F64 }, - /** chdir(2) — throws Node's fs-shaped error (ENOENT/EACCES/ENOTDIR, - * syscall "chdir") on failure. */ - "process.chdir": { argTypes: [STRING], result: VOID }, - "process.loadEnvFile": { argTypes: [DYN], result: VOID }, - /** process._exiting: true once the exit sequence began (exit listeners - * running) — the runtime flag scr_run_exit_listeners/process.exit set. - * Never throws. */ - "process.exiting": { argTypes: [], result: BOOL }, - /** net's process-wide happy-eyeballs attempt budget (Node's default - * 250ms): one runtime double in the core unit, so reading/writing it - * never forces the net unit into the link. Never throw. */ - "net.getAutoSelTimeout": { argTypes: [], result: F64 }, - "net.setAutoSelTimeout": { argTypes: [F64], result: VOID }, - /** realpath(3) with Node's error shape (syscall "lstat" in the message, - * Node's own spelling for realpathSync failures). +1 fresh string. */ - "fs.realpathSync": { argTypes: [STRING], result: STRING }, - /** fs.realpathSync (or its .native when the flag is true) as a function - * value: path and options arrive unchecked; the result is a string or a - * Buffer by the options' encoding. */ - "fs.realpathValue": { argTypes: [DYN, DYN, BOOL], result: DYN }, - /** Native realpath with syscall "realpath" on failure. +1 fresh string. */ - "fs.realpathNativeSync": { argTypes: [STRING], result: STRING }, - /** The os.userInfo() field trio (uv_os_get_passwd's slices): pw_name, - * pw_shell, pw_dir — the PASSWD homedir, not os.homedir's $HOME-first - * cascade (Node's own split). The frontend assembles the UserInfo - * record from these plus getuid/getgid. +1 fresh strings; a passwd - * lookup failure aborts (Node throws a system error there — no - * compiled program path reaches it for the running uid). */ - "os.userName": { argTypes: [], result: STRING }, - "os.userShell": { argTypes: [], result: STRING }, - "os.userHomedir": { argTypes: [], result: STRING }, - "os.tmpdir": { argTypes: [], result: STRING }, - // Result is the call site's Dict record (VOID is - // the dgram.address sentinel — the libCall case checks the structure). - /** os.networkInterfaces(): getifaddrs(3) → the Dict - * record, built inline by the emitter from a runtime snapshot (scr_lib.c). - * The result type is the CALL SITE's mapped @types/node shape — a pure - * index-signature record whose value is `Info[] | undefined`, Info a - * two-record union (IPv4: scopeid `number | undefined` holding undefined; - * IPv6: scopeid number) — verified structurally by the frontend. Rows - * match libuv's filter (IFF_UP && IFF_RUNNING, AF_INET/AF_INET6; loopback - * = internal; MACs from the interface's link-level sibling entry, zeros - * when absent; cidr from the netmask's contiguous prefix, the null arm - * when it is missing or non-contiguous). Key/row order follows the OS's - * getifaddrs enumeration — Node itself does not guarantee an order. - * Fresh +1 record; never throws (a getifaddrs failure yields {}). */ - "os.networkInterfaces": { argTypes: [], result: VOID }, - /** `Math.max(...xs)` / `Math.min(...xs)` over one spread number[] - * (scr_number.c): the JS fold exactly — any NaN element poisons the - * result, ±0 order by the JS comparison (max prefers +0, min prefers - * -0), and the empty array yields -Infinity / +Infinity like the - * zero-argument calls. Borrows the array; never throws. */ - "math.maxArr": { argTypes: [arrayOf(F64)], result: F64 }, - "math.minArr": { argTypes: [arrayOf(F64)], result: F64 }, - "math.hypotArr": { argTypes: [arrayOf(F64)], result: F64 }, - /** `Math.floor(x)` — C floor() IS the JS operation (NaN/±0/±Infinity - * pass through bit-exactly). Never throws. */ - "math.floor": { argTypes: [F64], result: F64 }, - /** Math.abs (C fabs — IS the JS operation) and Math.round (scr_lib.c: - * ECMA half-toward-+Infinity with the exact-fraction comparison — C - * round() is half-away-from-zero and floor(x+0.5) drifts at the - * epsilon boundary). Borrow nothing; never throw. */ - "math.abs": { argTypes: [F64], result: F64 }, - "math.round": { argTypes: [F64], result: F64 }, +function buildLibFnSignatures() { + return defineLibFnSignatures({ + /** Native static fetch and its Web-platform companions. fetch.start + * answers once the response head arrives; the response body readers + * consume the native body stream. AbortSignal and ReadableStream values + * are opaque checked-dynamic handles. */ + "fetch.start": { argTypes: [STRING, DYN], result: { kind: "promise", inner: DYN } }, + "fetch.responseNew": { argTypes: [DYN, DYN], result: DYN }, + "fetch.responseJsonStatic": { argTypes: [DYN, DYN], result: DYN }, + "fetch.responseLight": { argTypes: [DYN], result: arrayOf(STRING) }, + "fetch.input": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "abort.controllerNew": { argTypes: [], result: DYN }, + /** EventTarget / Event / CustomEvent construction (scr_event_target.c): + * the Event constructors take the argument vector as one dyn array and + * throw Node's validation errors; `event.is` is `v instanceof Event` + * (kind 0), `CustomEvent` (1), `EventTarget` (2). addAbortListener + * answers the disposer (the Disposable's [Symbol.dispose]). */ + "event.targetNew": { argTypes: [], result: DYN }, + "event.new": { argTypes: [DYN], result: DYN }, + "event.customNew": { argTypes: [DYN], result: DYN }, + "event.is": { argTypes: [DYN, F64], result: BOOL }, + /** Compiled EventTarget and Event subclasses: the receiver is the + * instance (an object rooted at %EventTarget / %Event). targetInit and + * init are super() (init takes the argument vector as one dyn array + * and throws the constructor's validation errors; initType is the + * super(type) form with a string); targetCall runs an EventTarget method + * with the instance's own capsule as `self` (targetDispatch is its + * dispatchEvent(event) form, answering the bool); call, get and set + * reach the Event members. */ + "event.targetInit": { argTypes: [null], result: VOID }, + "event.init": { argTypes: [null, DYN], result: VOID }, + "event.initType": { argTypes: [null, STRING], result: VOID }, + /** %main hands the engine the compiled `listener.handleEvent` reader + * (lower-event-target.ts noteEventListeners). */ + "event.handleEventReader": { argTypes: [DYN], result: VOID }, + "event.targetDispatch": { argTypes: [null, DYN, DYN], result: BOOL }, + "event.targetCall": { argTypes: [null, DYN, STRING, DYN], result: DYN }, + "event.call": { argTypes: [null, STRING, DYN], result: DYN }, + "event.get": { argTypes: [null, STRING], result: DYN }, + "event.set": { argTypes: [null, STRING, DYN], result: VOID }, + "events.addAbortListener": { argTypes: [DYN, DYN], result: DYN }, + /** Blob / File (scr_blob.c): the constructors and slice() take their + * argument vector as one dyn array and throw Node's validation errors; + * the readers settle on Node's microtask turn for the Blob's parts. + * `blob.is` is `v instanceof Blob` (kind 0) or `File` (1). */ + "blob.new": { argTypes: [DYN], result: DYN }, + "blob.fileNew": { argTypes: [DYN], result: DYN }, + "blob.slice": { argTypes: [DYN, DYN], result: DYN }, + "blob.text": { argTypes: [DYN], result: { kind: "promise", inner: STRING } }, + "blob.bytes": { argTypes: [DYN], result: { kind: "promise", inner: BYTES_U8 } }, + "blob.arrayBuffer": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "blob.is": { argTypes: [DYN, F64], result: BOOL }, + /** WebAssembly (scr_wasm.c): modules translated at build time + * (wasm/translate.ts), found at run time by the SHA-256 of their bytes. + * compile and instantiate over bytes settle on a later loop turn; + * instantiate over a Module settles now, as in Node. `wasm.is` answers + * instanceof for Module, Instance, Memory, Table and Global (kinds 0-4) + * and CompileError, LinkError and RuntimeError (5-7); `wasm.errorNew` + * constructs one of the error classes (kind 5-7, message, options). */ + "wasm.compile": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "wasm.validate": { argTypes: [DYN], result: BOOL }, + "wasm.instantiate": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "wasm.moduleNew": { argTypes: [DYN], result: DYN }, + "wasm.instanceNew": { argTypes: [DYN, DYN], result: DYN }, + "wasm.is": { argTypes: [DYN, F64], result: BOOL }, + "wasm.errorNew": { argTypes: [F64, DYN, DYN], result: DYN }, + /** new WebAssembly.Memory(descriptor), Table(descriptor, value) and + * Global(descriptor, value) (an undefined value is the type's default); + * `wasm.withoutNew` throws the TypeError for Module, Instance, Memory, + * Table or Global (kinds 0-4) called without new, after its arguments + * evaluate. */ + "wasm.memoryNew": { argTypes: [DYN], result: DYN }, + "wasm.tableNew": { argTypes: [DYN, DYN], result: DYN }, + "wasm.globalNew": { argTypes: [DYN, DYN], result: DYN }, + "wasm.withoutNew": { argTypes: [F64, DYN, DYN], result: DYN }, + /** WebAssembly.Module.imports(module), exports(module) and + * customSections(module, name): checked-dynamic arrays of descriptor + * objects and ArrayBuffers. */ + "wasm.moduleImports": { argTypes: [DYN], result: DYN }, + "wasm.moduleExports": { argTypes: [DYN], result: DYN }, + "wasm.moduleCustomSections": { argTypes: [DYN, DYN], result: DYN }, + /** `v.valueOf()` on a WebAssembly-typed receiver: a Global's value, + * dyn.valueOf's answer for anything else. */ + "wasm.valueOf": { argTypes: [DYN], result: DYN }, + /** WebAssembly.compile (0), instantiate (1) and validate (2) as function + * values, and the namespace object holding them. */ + "wasm.function": { argTypes: [F64], result: DYN }, + "wasm.namespace": { argTypes: [], result: DYN }, + /** The global object viewed through a cast to a type with a WebAssembly + * member: an object holding the namespace. */ + "wasm.globalView": { argTypes: [], result: DYN }, + "abort.timeout": { argTypes: [DYN], result: DYN }, + "abort.now": { argTypes: [DYN], result: DYN }, + "abort.any": { argTypes: [DYN], result: DYN }, + "fetch.function": { argTypes: [], result: DYN }, + "fetch.requestNew": { argTypes: [DYN, DYN], result: DYN }, + "fetch.headersNew": { argTypes: [DYN], result: DYN }, + "fetch.responseArrayBuffer": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "fetch.responseJson": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "fetch.responseText": { argTypes: [DYN], result: { kind: "promise", inner: STRING } }, + "fetch.responseBytes": { argTypes: [DYN], result: { kind: "promise", inner: BYTES_U8 } }, + "fetch.abortControllerNew": { argTypes: [], result: DYN }, + "fetch.abortTimeout": { argTypes: [DYN], result: DYN }, + "fetch.abortNow": { argTypes: [DYN], result: DYN }, + "fetch.abortAny": { argTypes: [DYN], result: DYN }, + "fetch.streamNew": { argTypes: [DYN], result: DYN }, + "fetch.transformNew": { argTypes: [], result: DYN }, + // Program-dependent iterable: typed arrays/bytes/string stay intact so + // the native stream can pull lazily; checked-dynamic values are the + // fallback. The libCall validator in validate.ts checks the closed set. + "fetch.webIs": { argTypes: [DYN, STRING], result: BOOL }, + "fetch.streamIs": { argTypes: [DYN], result: BOOL }, + "fetch.streamFrom": { argTypes: [null], result: DYN }, + // The chunk/result record depends on ReadableStream; validated by validate.ts. + "fetch.readerRead": { argTypes: [DYN], result: VOID }, + /** Readable.fromWeb (scr_stream_from_web.c): the stream, objectMode, + * highWaterMark (< 0: the mode's default) and encoding ("": none). */ + "fetch.readableFromWeb": { argTypes: [DYN, BOOL, F64, STRING], result: VOID }, + "json.parse": { argTypes: [STRING], result: DYN }, + "json.parseReviver": { argTypes: [STRING, DYN], result: DYN }, + "json.stringifyReplacer": { argTypes: [DYN, DYN, STRING], result: DYN }, + "json.stringifyValue": { argTypes: [DYN, DYN, DYN], result: DYN }, + /** Keyed WRITE on a dyn value — `h.onDone = cb` / `h["k"] = v` on a + * checked-dynamic object (args: receiver, key string, value — all + * borrowed; the runtime copies the key and retains the value in). An + * OBJ receiver sets the member (later writes win, insertion order + * preserved — JS exactly); undefined/null throws Node's catchable + * "Cannot set properties of undefined (setting 'k')"; every other kind + * throws Node's STRICT-mode "Cannot create property 'k' on " — + * primitives quoting their rendering, V8's "on number '5'" + * (sloppy mode would ignore the write — suite tests are 'use strict'; + * SEMANTICS.md notes the sloppy divergence: the write throws). Void + * result; in the may-throw seed set. */ + "dyn.keySet": { argTypes: [DYN, STRING, DYN], result: VOID }, + "dyn.keySetComputed": { argTypes: [DYN, DYN, DYN], result: VOID }, + /** Delete an ordinary checked-native object's own key. Borrows both + * arguments; other receiver representations retain a runtime refusal. */ + "dyn.keyDelete": { argTypes: [DYN, STRING, BOOL], result: VOID }, + "dyn.keyDeleteComputed": { argTypes: [DYN, DYN, BOOL], result: VOID }, + "dyn.reflectDeleteProperty": { argTypes: [DYN, DYN], result: BOOL }, + "dyn.hasKeyComputed": { argTypes: [DYN, DYN], result: BOOL }, + "dyn.hasOwnComputed": { argTypes: [DYN, DYN], result: BOOL }, + "dyn.propertyIsEnumerableComputed": { argTypes: [DYN, DYN], result: BOOL }, + /** Native own properties on globalThis keyed by symbol identity. */ + "dyn.globalSymbolGet": { argTypes: [SYMBOL_T], result: DYN }, + "dyn.globalSymbolSet": { argTypes: [SYMBOL_T, DYN], result: VOID }, + "dyn.globalSymbolHas": { argTypes: [SYMBOL_T], result: BOOL }, + "dyn.globalSymbolDelete": { argTypes: [SYMBOL_T], result: VOID }, + /** Exact native class capsule identity, without materializing its fields. */ + "dyn.typedRefIs": { argTypes: [DYN, STRING], result: BOOL }, + /** A capsule boxed by this program from exactly this class: one key + * pointer test, false for equal keys boxed elsewhere. Guards fast paths + * whose fallback handles every other value. The key is a literal. */ + "dyn.typedRefKeyIs": { argTypes: [DYN, STRING], result: BOOL }, + "dyn.classIs": { argTypes: [DYN, STRING], result: BOOL }, + /** Destructuring pack over a dyn source — `const [a, b] = d`, a + * destructured dyn callback param (args: the source and the STATIC + * TypeError spelling, "" when the source has none — both borrowed; + * result: a fresh dyn array, +1). Iterable kinds collect like spread + * (arrays element-by-element, strings by code point, bytes by byte); + * every other kind throws V8's destructuring TypeError — the spelling + * verbatim when non-empty, else the runtime kind wording ("number 5 is + * not iterable (cannot read property Symbol(Symbol.iterator))"). In the + * may-throw seed set. */ + "dyn.iterPack": { argTypes: [DYN, STRING], result: DYN }, + "dyn.mathFold": { argTypes: [DYN, BOOL, STRING], result: F64 }, + "dyn.destructureRest": { argTypes: [DYN, STRING], result: DYN }, + "dyn.arrayFromIterator": { argTypes: [DYN], result: DYN }, + "dyn.iterator": { argTypes: [DYN, STRING], result: DYN }, + /** for await over a checked-dynamic value: the loop's iterator (a + * compiled async generator, Symbol.asyncIterator's result, or the sync + * iterator), and whether that iterator is synchronous. */ + "dyn.asyncIteratorOpen": { argTypes: [DYN, STRING], result: DYN }, + "dyn.asyncIteratorWasSync": { argTypes: [], result: BOOL }, + "dyn.iteratorResult": { argTypes: [DYN], result: DYN }, + "dyn.iteratorCanStep": { argTypes: [DYN, DYN], result: BOOL }, + "dyn.iteratorStep": { argTypes: [DYN], result: DYN }, + "dyn.iteratorStepDone": { argTypes: [DYN], result: BOOL }, + "dyn.setGeneratorMembers": { argTypes: [DYN, DYN], result: VOID }, + "dyn.iteratorHelperMethod": { argTypes: [STRING], result: DYN }, + "dyn.collectionIteratorIndex": { argTypes: [DYN], result: F64 }, + "dyn.mapSeedEntries": { argTypes: [DYN], result: DYN }, + "dyn.mapSeedEntry": { argTypes: [DYN], result: DYN }, + /** The for-of-over-dyn pack accessors — the emitted index loop drives + * them over a dyn.iterPack result (ARR by construction). arrLen: the + * ARR length as f64 (0 for non-ARR kinds; arg borrowed). arrAt: the + * element at index (+1; the undefined singleton past the end). Neither + * throws. */ + "dyn.arrLen": { argTypes: [DYN], result: F64 }, + "dyn.arrAt": { argTypes: [DYN, F64], result: DYN }, + /** `key in v` with a RUNTIME (string) key on a checked-dynamic + * receiver (args: value dyn, key string; result bool): OBJ answers + * own-member presence, ARR answers 'length'/a valid index — exactly + * the literal-key dynHasKey path. Proxy has traps may throw. */ + "dyn.hasKey": { argTypes: [DYN, STRING], result: BOOL }, + /** The `in` operator with a runtime string key: dyn.hasKey plus the + * members inherited from builtin and compiled class prototypes. */ + "dyn.in": { argTypes: [DYN, STRING], result: BOOL }, + "dyn.freeze": { argTypes: [DYN], result: DYN }, + "dyn.isFrozen": { argTypes: [DYN], result: BOOL }, + /** Object.defineProperty on a declared class field (scr_json.c): the + * field's current value (borrowed), its FIELD_* attribute word, the + * instance's CLASS_* integrity word, the field name and the descriptor. + * Validates as Node does (TypeError "Cannot redefine property: f") and + * answers a one-property holder of the defined value and attributes (+1), + * read back with class.definedBits and class.definedValue. */ + "class.defineField": { argTypes: [DYN, F64, F64, STRING, DYN], result: DYN }, + "class.definedBits": { argTypes: [DYN, STRING], result: F64 }, + "class.definedValue": { argTypes: [DYN, STRING], result: DYN }, + /** Whether a property descriptor has a `value` member. */ + "class.descriptorHasValue": { argTypes: [DYN], result: BOOL }, + /** Throws Node's TypeError for a write to a read-only class field: the + * field name and the instance's class name. */ + "class.throwReadOnly": { argTypes: [STRING, STRING], result: VOID }, + /** Throws Node's TypeError for a class field initializer on a + * non-extensible instance: the field name. */ + "class.throwNotExtensible": { argTypes: [STRING], result: VOID }, + /** Object.freeze of a record whose shape is freezable (frozen-records.ts): + * sets the frozen bit in its rc word (scr_record_freeze). The receiver is + * any record type. */ + "record.freeze": { argTypes: [null], result: VOID }, + /** Whether a record is frozen: its rc word's frozen bit, set by + * record.freeze and dyn.freeze of a capsule. Emitted inline. The receiver + * is any record type. */ + "record.isFrozen": { argTypes: [null], result: BOOL }, + /** Throws Node's TypeError for a write to a frozen record: the key, the + * object's text in the message ("#") and the operation (0 assign, + * 1 add, 2 delete). */ + "record.throwFrozen": { argTypes: [STRING, STRING, F64], result: VOID }, + /** Object.freeze of an array (scr_arr_freeze): sets its frozen bit, which + * the write guards of IrModule.freezableArrays test, and isFrozen reads. + * The receiver is any array type. */ + "array.freeze": { argTypes: [null], result: VOID }, + "array.isFrozen": { argTypes: [null], result: BOOL }, + /** Object.freeze, seal or preventExtensions of a Map or Set + * (scr_map_prevent_extensions), which only makes it not extensible: its + * entries stay writable. The receiver is any map or set type. */ + "collection.preventExtensions": { argTypes: [null], result: VOID }, + "collection.isExtensible": { argTypes: [null], result: BOOL }, + "dyn.nativeSetNew": { argTypes: [DYN], result: DYN }, + "dyn.nativeSetIs": { argTypes: [DYN], result: BOOL }, + "dyn.nativeMapIs": { argTypes: [DYN], result: BOOL }, + "dyn.nativeUrlIs": { argTypes: [DYN], result: BOOL }, + "dyn.nativeDateIs": { argTypes: [DYN], result: BOOL }, + "dyn.nativeDateHandleIs": { argTypes: [DYN], result: BOOL }, + /** A builtin constructor (`Object`, `Date`, `RegExp`, `Map`, `Set`, + * `Promise`, `WeakMap`, `WeakSet`) read as a JavaScript value: one + * interned function per name, the same one dynamic values answer for + * `.constructor`. The name is a compiler-chosen literal. */ + "dyn.globalConstructor": { argTypes: [STRING], result: DYN }, + /** A builtin global function (setTimeout, setInterval, setImmediate, + * the clear functions, queueMicrotask, process.nextTick) read as a + * JavaScript value: one interned function per name whose calls run the + * timer APIs (it pulls in the event loop). The name is a compiler-chosen + * literal. */ + "dyn.builtinFunction": { argTypes: [STRING], result: DYN }, + "dyn.namespaceNew": { argTypes: [STRING, DYN], result: DYN }, + "dyn.namespaceDefine": { argTypes: [DYN, STRING, DYN, F64, F64], result: VOID }, + "date.nativeNew": { argTypes: [DYN], result: DYN }, + /** `new Date(year, monthIndex, ...)` in JavaScript: the argument array's + * first seven values pass through ToNumber in order (later ones are + * evaluated, never converted), then the local-time field constructor. */ + "date.nativeNewFields": { argTypes: [DYN], result: DYN }, + /** `new Date(value)` in JavaScript: a string argument parses with V8's + * full date parser; every other value constructs as date.nativeNew. */ + "date.nativeNewValue": { argTypes: [DYN], result: DYN }, + "date.argumentsTime": { argTypes: [DYN], result: DATE_T }, + "date.classOperation": { argTypes: [DYN, DYN], result: VOID }, + "date.checkedValue": { argTypes: [DYN], result: DATE_T }, + "dyn.nativeRegexIs": { argTypes: [DYN], result: BOOL }, + /** toString() on a checked-dynamic receiver: runtime kind dispatch + * (bytes decode per the literal encoding — utf8 default; strings, + * numbers, booleans, arrays, objects answer JS-exactly; undefined and + * null throw the catchable TypeError). */ + "dyn.toString": { argTypes: [DYN, DYN, STRING], result: STRING }, + "dyn.valueOf": { argTypes: [DYN, STRING], result: DYN }, + /** Object.defineProperties over dyn values (args: target, descriptors — + * both borrowed dyn; result: the target, +1 — JS's return value). + * Value descriptors become own properties on OBJ and FUNC targets; + * OBJ targets preserve data attributes. get/set + * descriptors and non-object targets/descriptors throw catchably + * (Node's TypeError texts; accessors the "not supported yet" Error). In + * the may-throw seed set. */ + "dyn.defineProps": { argTypes: [DYN, DYN], result: DYN }, + "dyn.defineProperty": { argTypes: [DYN, DYN, DYN], result: DYN }, + "dyn.getOwnPropertyDescriptor": { argTypes: [DYN, DYN], result: DYN }, + "dyn.arrayProtoCall": { argTypes: [DYN, STRING, DYN], result: DYN }, + /** Promise.all / Promise.allSettled / Promise.any over a spread + * checked-dynamic array: the values, the settled-record array, or the + * first fulfillment (AggregateError once every entry rejects). + * Thenable elements adopt; the second argument reads a program class + * instance's `then` (the compiled property dispatch). */ + "dyn.promiseAll": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "dyn.promiseAllSettled": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "dyn.promiseAny": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + /** PromiseResolve over one checked-dynamic value: the promise it holds, + * a promise that adopts a thenable's settlement, or a promise fulfilled + * with the value. The second argument reads `then` as above. */ + "dyn.promiseResolve": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + /** Bare `typeof v` on a dyn value AS A STRING (arg: the dyn value, + * borrowed; result: an owned string) — the dyn kind's JS answer: + * undefined→"undefined", null/object/array/bytes→"object" (JS's oldest + * wart preserved), boolean/number/string by kind, function→"function". + * Never throws. */ + "dyn.typeof": { argTypes: [DYN], result: STRING }, + /** Object.prototype.toString.call on a checked-dynamic value. */ + "dyn.objectTag": { argTypes: [DYN], result: STRING }, + /** Engine-free CommonJS module graph. Module values are scalar f64 + * handles; generated startup defines the registry, init wrappers update + * loading/cache state, and the read surface answers Node's live metadata. */ + "module.registryInit": { argTypes: [F64], result: VOID }, + "module.define": { + argTypes: [F64, STRING, STRING, STRING, arrayOf(STRING), BOOL], + result: VOID, + }, + "module.enter": { argTypes: [F64], result: VOID }, + "module.link": { argTypes: [F64, F64], result: VOID }, + "module.finish": { argTypes: [F64], result: VOID }, + "module.fail": { argTypes: [F64], result: VOID }, + "module.filename": { argTypes: [F64], result: STRING }, + "module.id": { argTypes: [F64], result: STRING }, + "module.path": { argTypes: [F64], result: STRING }, + "module.paths": { argTypes: [F64], result: arrayOf(STRING) }, + "module.children": { argTypes: [F64], result: arrayOf(F64) }, + "module.parent": { argTypes: [F64], result: F64 }, + "module.loaded": { argTypes: [F64], result: BOOL }, + "module.cacheGet": { argTypes: [STRING], result: F64 }, + "module.cacheHas": { argTypes: [STRING], result: BOOL }, + "module.cacheKeys": { argTypes: [], result: arrayOf(STRING) }, + "timers.setTimeout": { argTypes: [{ kind: "func", params: [], ret: VOID }, F64], result: VOID }, + /** The repeating timer pair. setInterval takes (callback, ms) like + * setTimeout and RETURNS the f64 handle the fallback declarations + * promise (ids start at 1, so truthiness narrowing works); the loop + * owns the callback until clearInterval removes the entry (eagerly — a + * live interval keeps the loop alive, a cleared one releases it, like + * Node). Neither throws; a throw ESCAPING an interval callback ends the + * program like a setTimeout throw. */ + "timers.setInterval": { argTypes: [{ kind: "func", params: [], ret: VOID }, F64], result: F64 }, + "timers.clearInterval": { argTypes: [F64], result: VOID }, + /** setTimeout WITH a clear handle (the f64 id) — the clearable/unref-able + * one-shot; clearTimeout cancels it, .unref() drops it from loop + * liveness. The plain timers.setTimeout stays the handle-less + * fire-and-forget. */ + "timers.setTimeoutHandle": { + argTypes: [{ kind: "func", params: [], ret: VOID }, F64], + result: F64, + }, + "timers.clearTimeout": { argTypes: [F64], result: VOID }, + /** Timeout.unref()/ref()/hasRef() — loop-liveness bookkeeping over the + * handle id. unref/ref RETURN the handle (f64) for chaining; hasRef + * returns bool. */ + "timers.unref": { argTypes: [F64], result: F64 }, + "timers.ref": { argTypes: [F64], result: F64 }, + "timers.hasRef": { argTypes: [F64], result: BOOL }, + /** Timeout.refresh() — re-arm to now + the original delay (from the + * heap or from inside the firing callback; a one-shot that fired on an + * earlier turn is gone and no-ops — documented divergence). Returns + * the handle for chaining like unref/ref. */ + "timers.refresh": { argTypes: [F64], result: F64 }, + /** setImmediate/clearImmediate — Node's check phase: callbacks run + * once per loop turn AFTER due timers, FIFO, and immediates queued + * mid-phase wait for the next turn. setImmediate returns the f64 + * handle (its own id space — clearTimeout of an Immediate no-ops, + * like Node); the Immediate ref trio mirrors the Timeout one (an + * unref'd pending immediate neither keeps the loop alive nor fires + * once nothing reffed remains). */ + "timers.setImmediate": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: F64 }, + /** queueMicrotask (scr_async.c): the callback enters the SAME FIFO + * promise continuations ride — one microtask order, like V8's queue — + * and a throw is an UNCAUGHT exception (never a rejection). + * timers.queueMicrotask takes an owned zero-param closure and never + * throws; the Dyn form (checked-dynamic arguments — the mustCall + * wrapper, the suite's invalid-input probes) throws Node's + * ERR_INVALID_ARG_TYPE synchronously on a non-function value and calls + * the function with zero arguments at drain. */ + "timers.queueMicrotask": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: VOID }, + "timers.queueMicrotaskDyn": { argTypes: [DYN], result: VOID }, + "timers.clearImmediate": { argTypes: [F64], result: VOID }, + /** process.nextTick(cb, ...args) — the user tick queue. args: [cb + * (() => void; trailing call arguments ride the timer surface's + * interned dyn thunk)]. Ticks drain BEFORE promise jobs at every loop + * checkpoint, to joint exhaustion with them (Node's tick-then- + * microtask order); ticks enqueued by station listeners run at the + * NEXT checkpoint (the stream-tick station divergence, SEMANTICS.md). + * Pending ticks are always-ready work — the loop neither sleeps nor + * exits while any exist; ticks scheduled from 'exit' listeners never + * run (Node). The enqueue itself never throws. */ + "process.nextTick": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: VOID }, + /** The process introspection statics. uptime: seconds since the + * binary's own start (fractional — a load-time monotonic anchor). + * availableMemory/constrainedMemory: libuv's numbers (free-ish bytes; + * the cgroup cap or 0). cpuUser/cpuSystem (+ threadCpu twins): the + * process/thread CPU clocks in microseconds — the frontend composes + * the {user, system} records. The *Diff forms answer current − prev + * for one field; cpuPrevValidate throws Node's ERR_INVALID_ARG_VALUE + * RangeError for negative/non-finite prev fields (user first, then + * system — Node's order; MAY THROW). rusage(idx): one + * process.resourceUsage() field by canonical index (Node's units). + * activeResources: the loop's own bookkeeping — 'Timeout' per armed + * (or firing, uncleared) timer, 'Immediate' per queued unfired + * immediate; unmodeled resource kinds are absent (SEMANTICS.md). */ + "process.uptime": { argTypes: [], result: F64 }, + /** perf_hooks performance.now(): fractional ms since process start. */ + "perf.now": { argTypes: [], result: F64 }, + /** perf_hooks user timing over the thread's performance timeline. The + * producing calls take the call's whole argument vector as one dyn + * array (Node's validation and errors run in the runtime, MAY THROW): + * mark/measure answer 1, entries(args, which) the entry count of + * getEntries (0), getEntriesByName (1) or getEntriesByType (2). The + * entryName/Type/Start/Duration/Detail accessors read entry i of that + * answer; the frontend builds a new entry's record from them and hands + * it to entryKeep (a typed reference capsule), and the getters read the + * kept records back through entryRef, so entries keep their identity. */ + "perf.mark": { argTypes: [DYN], result: F64 }, + "perf.measure": { argTypes: [DYN], result: F64 }, + "perf.entries": { argTypes: [DYN, F64], result: F64 }, + "perf.clearMarks": { argTypes: [DYN], result: VOID }, + "perf.clearMeasures": { argTypes: [DYN], result: VOID }, + "perf.entryName": { argTypes: [F64], result: STRING }, + "perf.entryType": { argTypes: [F64], result: STRING }, + "perf.entryStart": { argTypes: [F64], result: F64 }, + "perf.entryDuration": { argTypes: [F64], result: F64 }, + "perf.entryDetail": { argTypes: [F64], result: DYN }, + "perf.entryKeep": { argTypes: [DYN], result: VOID }, + "perf.entryRef": { argTypes: [F64], result: DYN }, + /** perf_hooks event-loop metrics (scr_perf_loop.c): loopStart is the + * loop's start in performance.now() ms (0 before it), idleTime the idle + * ms since. eldNew(resolution ms) creates a monitorEventLoopDelay + * histogram handle (MAY THROW Node's resolution RangeError); enable/disable answer whether the state changed; + * eldPercentile expects Node's validated range; eldStat(which) reads + * 0 min, 1 max, 2 mean, 3 stddev, 4 count, 5 exceeds. */ + "perf.loopStart": { argTypes: [], result: F64 }, + "perf.idleTime": { argTypes: [], result: F64 }, + "perf.eldNew": { argTypes: [F64], result: F64 }, + "perf.eldEnable": { argTypes: [F64], result: BOOL }, + "perf.eldDisable": { argTypes: [F64], result: BOOL }, + "perf.eldReset": { argTypes: [F64], result: VOID }, + "perf.eldPercentile": { argTypes: [F64, F64], result: F64 }, + "perf.eldStat": { argTypes: [F64, F64], result: F64 }, + /** process.memoryUsage(): memoryUsageTake samples the resident set and + * the runtime heap once (MAY THROW Node's uv_resident_set_memory error) + * and memoryUsageField(k) reads that sample (0 rss, 1 heapTotal, 2 + * heapUsed, 3 external, 4 arrayBuffers). rss is memoryUsage.rss(). */ + "process.memoryUsageTake": { argTypes: [], result: VOID }, + "process.memoryUsageField": { argTypes: [F64], result: F64 }, + "process.rss": { argTypes: [], result: F64 }, + "process.availableMemory": { argTypes: [], result: F64 }, + "process.constrainedMemory": { argTypes: [], result: F64 }, + "process.cpuUser": { argTypes: [], result: F64 }, + "process.cpuSystem": { argTypes: [], result: F64 }, + "process.cpuUserDiff": { argTypes: [F64], result: F64 }, + "process.cpuSystemDiff": { argTypes: [F64], result: F64 }, + "process.threadCpuUser": { argTypes: [], result: F64 }, + "process.threadCpuSystem": { argTypes: [], result: F64 }, + "process.threadCpuUserDiff": { argTypes: [F64], result: F64 }, + "process.threadCpuSystemDiff": { argTypes: [F64], result: F64 }, + "process.cpuPrevValidate": { argTypes: [F64, F64], result: VOID }, + "process.rusage": { argTypes: [F64], result: F64 }, + "process.activeResources": { argTypes: [], result: arrayOf(STRING) }, + "timers.immediateUnref": { argTypes: [F64], result: F64 }, + "timers.immediateRef": { argTypes: [F64], result: F64 }, + "timers.immediateHasRef": { argTypes: [F64], result: BOOL }, + /** The tolerated non-handle clear (`clearTimeout(null)`, + * `clearInterval({})`, zero-argument forms): Node ignores anything + * that is not a live handle without an error — a VOID no-op the emitter drops + * (only syntactically side-effect-free arguments take this path). */ + "timers.clearNoop": { argTypes: [], result: VOID }, + // Signal listeners are zero-param (the ambient shape); exit/stdin + // callbacks carry program-dependent one-param shapes — null slots, the + // libCall case checks them (child.onExit precedent). + /** Named process signal events: [name string, callback dyn, once bool] + * or [name, callback] for removal. The runtime resolves platform signal + * numbers and delivers (name, number). Listeners do not keep the loop + * alive. Invalid callbacks and uncatchable signals throw. */ + "process.onSignal": { argTypes: [STRING, DYN, BOOL], result: VOID }, + "process.offSignal": { argTypes: [STRING, DYN], result: VOID }, + /** The process 'exit' event — process.on/once/off("exit"). args: [cb, + * once bool] / [cb]. Listeners run SYNCHRONOUSLY at termination + * (normal exit, process.exit(), the uncaught/unhandled exit-1 paths) + * with the exit code; anything they schedule never runs, like Node. + * Callback shapes: () => void or (code: number) => void — the emitter + * picks the runtime adapter. Never throw. */ + "process.onExit": { argTypes: [null, BOOL], result: VOID }, + "process.offExit": { argTypes: [null], result: VOID }, + /** process.stdin listener registration — stdin.on/once("data" | "end" | + * "error", cb). args: [cb, once bool]. data callbacks: () => void or + * (chunk: Uint8Array) => void; end: () => void; error: () => void or + * (err: Error) => void (the child error adapters are reused). While a + * data listener (or a parked for-await chunk promise) exists, stdin + * keeps the loop alive — Node's flowing-stdin keep-alive. Never + * throw. */ + "stdin.onData": { argTypes: [null, BOOL], result: VOID }, + "stdin.onEnd": { argTypes: [{ kind: "func", params: [], ret: VOID }, BOOL], result: VOID }, + "stdin.onError": { argTypes: [null, BOOL], result: VOID }, + /** process.stdin.on/once('keypress', cb) (scr_readline_tty.c): cb is the + * listener as a checked-dynamic function, called with (str, key). */ + "stdin.onKeypress": { argTypes: [DYN, BOOL], result: VOID }, + /** The for-await chunk source over process.stdin: no args, result + * Promise (+1). Fulfills with the next arrived chunk; the + * EMPTY bytes value is the done sentinel (POSIX reads never deliver + * empty data chunks), which the for-await desugar turns into loop + * exit. Never throws itself; awaiting it re-throws nothing (stdin + * errors surface through 'error' listeners, not the iterator). */ + "stdin.nextChunk": { argTypes: [], result: { kind: "promise", inner: BYTES_U8 } }, + "fs.readFileSync": { argTypes: [STRING, STRING], result: STRING }, + "fs.readFileEncoded": { argTypes: [STRING, STRING], result: STRING }, + "fs.readFdEncoded": { argTypes: [F64, STRING], result: STRING }, + /** readFileSync(path) — the Buffer read (+1 bytes); throws catchably + * like the utf8 form. */ + "fs.readFileSyncBuf": { argTypes: [STRING], result: BYTES_U8 }, + /** readFileSync(path, enc) with a RUNTIME encoding (an untyped JS + * parameter): undefined/null answer Buffers, utf8 a string, other real + * encodings throw the "not supported yet" Error, unknown names throw + * ERR_UNKNOWN_ENCODING. */ + "fs.readFileSyncDyn": { argTypes: [STRING, DYN], result: DYN }, + "fs.writeFileSync": { argTypes: [STRING, STRING], result: VOID }, + "fs.appendFileSync": { argTypes: [STRING, STRING], result: VOID }, + "fs.existsSync": { argTypes: [STRING], result: BOOL }, + "fs.mkdirSync": { argTypes: [STRING], result: VOID }, + "fs.rmSync": { argTypes: [STRING], result: VOID }, + "fs.rmdirSync": { argTypes: [STRING], result: VOID }, + "fs.readdirSync": { argTypes: [STRING], result: arrayOf(STRING) }, + // Result is the call site's Dirent record array (VOID is the + // structure-checked sentinel, the os.networkInterfaces pattern). + /** `fs.readdirSync(path, { withFileTypes: true })` — Dirent rows over + * one readdir pass (scr_lib.c's scandir snapshot; DT_UNKNOWN falls back + * to lstat, Node's getDirents rule). The result type is the call site's + * interned Dirent record array (name, parentPath, hidden %dtype in + * libuv's UV_DIRENT encoding) — verified by the frontend; the emitter + * assembles the rows from the snapshot. Byte order on POSIX (libuv + * sorts), the directory's order on Windows; no "."/"..". Throws + * Node's scandir errno error (may-throw seed set); fresh +1 array. */ + "fs.readdirTypesSync": { argTypes: [STRING], result: VOID }, + /** fs.globSync / fs.glob / fs/promises glob (scr_glob.c, Node's + * lib/internal/fs/glob.js walk): pattern and options are dyn values the + * runtime validates in Node's order. The string forms answer string[]; + * the Dirent forms answer the call site's Dirent record array (validated + * in validate.ts) assembled from the snapshot; fs.callbackGlob takes the + * argument vector and calls back with string[]. */ + "fs.globSync": { argTypes: [DYN, DYN], result: arrayOf(STRING) }, + "fs.globTypesSync": { argTypes: [DYN, DYN], result: VOID }, + "fs.callbackGlob": { argTypes: [DYN], result: VOID }, + "fsp.globStrings": { argTypes: [DYN, DYN], result: arrayOf(STRING) }, + "fsp.globTypes": { argTypes: [DYN, DYN], result: VOID }, + /** The error an fs/promises glob walk ended with (undefined when none), + * read once right after fsp.globStrings / fsp.globTypes. */ + "fsp.globError": { argTypes: [], result: DYN }, + /** fs.Dir (scr_lib.c): opendirSync(path, bufferSize) throws Node's + * opendir error (or the options.bufferSize RangeError); dir.readSync + * answers the call site's `Dirent | null` (VOID here — the emitter builds + * the row like readdirTypesSync) and dir.read is its promise twin; + * readSync and closeSync throw ERR_DIR_CLOSED on a closed Dir, read and + * close reject with it. */ + "fs.opendirSync": { argTypes: [STRING, F64], result: DIR_T }, + "fsp.opendir": { argTypes: [STRING, F64], result: { kind: "promise", inner: DIR_T } }, + "dir.path": { argTypes: [DIR_T], result: STRING }, + "dir.readSync": { argTypes: [DIR_T], result: VOID }, + "dir.read": { argTypes: [DIR_T], result: { kind: "promise", inner: VOID } }, + "dir.closeSync": { argTypes: [DIR_T], result: VOID }, + "dir.close": { argTypes: [DIR_T], result: { kind: "promise", inner: VOID } }, + /** node:path (scr_path.c ports BOTH of Node's implementations + * function-by-function): the `path.*` family is posix, the + * `path.win32*` family is Node v24's path.win32 ported exactly — the + * frontend binds the bare module to the TARGET platform's family + * (Node on Windows IS path.win32) and the path.posix / path.win32 + * namespaces to their own family everywhere. join and resolve take ONE + * string[] arg — the frontend packs the variadic call's arguments into + * an array literal. basename always receives its suffix (the frontend + * completes an omitted one with "", a Node no-op). toNamespacedPath is + * the posix identity and the win32 \\?\-prefixer. None of these throw; + * the resolves consult the process cwd like Node's. */ + "path.join": { argTypes: [arrayOf(STRING)], result: STRING }, + "path.resolve": { argTypes: [arrayOf(STRING)], result: STRING }, + "path.normalize": { argTypes: [STRING], result: STRING }, + "path.dirname": { argTypes: [STRING], result: STRING }, + "path.basename": { argTypes: [STRING, STRING], result: STRING }, + "path.extname": { argTypes: [STRING], result: STRING }, + "path.isAbsolute": { argTypes: [STRING], result: BOOL }, + "path.relative": { argTypes: [STRING, STRING], result: STRING }, + "path.toNamespacedPath": { argTypes: [STRING], result: STRING }, + "path.win32Join": { argTypes: [arrayOf(STRING)], result: STRING }, + "path.win32Resolve": { argTypes: [arrayOf(STRING)], result: STRING }, + "path.win32Normalize": { argTypes: [STRING], result: STRING }, + "path.win32Dirname": { argTypes: [STRING], result: STRING }, + "path.win32Basename": { argTypes: [STRING, STRING], result: STRING }, + "path.win32Extname": { argTypes: [STRING], result: STRING }, + "path.win32IsAbsolute": { argTypes: [STRING], result: BOOL }, + "path.win32Relative": { argTypes: [STRING, STRING], result: STRING }, + "path.win32ToNamespacedPath": { argTypes: [STRING], result: STRING }, + /** path.parse: [root, dir, base, ext, name] as a fresh string[] (the + * frontend builds the ParsedPath record); path.format: the pathObject's + * root, dir, base, name and ext with undefined spelled "". */ + "path.parse": { argTypes: [STRING], result: arrayOf(STRING) }, + "path.win32Parse": { argTypes: [STRING], result: arrayOf(STRING) }, + "path.format": { argTypes: [STRING, STRING, STRING, STRING, STRING], result: STRING }, + "path.win32Format": { argTypes: [STRING, STRING, STRING, STRING, STRING], result: STRING }, + /** path.matchesGlob(path, pattern): Node's matchGlobPattern over its + * bundled minimatch (scr_glob.c). Both families match case-insensitively + * on macOS and Windows hosts like Node's; win32 also accepts either + * separator. Throws TypeError for a pattern over 64 Ki code units, + * RangeError for a brace sequence too long to expand, and SyntaxError + * when a segment's regex is invalid under the u flag. */ + "path.matchesGlob": { argTypes: [STRING, STRING], result: BOOL }, + "path.win32MatchesGlob": { argTypes: [STRING, STRING], result: BOOL }, + /** node:os: homedir is $HOME else getpwuid(3); tmpdir is Node's env + * cascade ($TMPDIR/$TMP/$TEMP else /tmp, one trailing slash trimmed). + * os.platform() lowers to process.platform — one implementation. */ + "os.homedir": { argTypes: [], result: STRING }, + /** os.release(): uname(2)'s release field — Node's own implementation + * (the kernel version string, e.g. "24.6.0" on macOS 15). Interned; +1 + * per read. Never throws. */ + "os.release": { argTypes: [], result: STRING }, + /** os.type(): uname(2)'s sysname ("Darwin", "Linux"; "Windows_NT" on + * win32) — Node's uv_os_uname answer. Interned per call; never throws. */ + "os.type": { argTypes: [], result: STRING }, + /** os.totalmem(): total physical memory in bytes. Never throws. */ + "os.totalmem": { argTypes: [], result: F64 }, + /** os.availableParallelism(): CPUs the process may use (libuv's answer), >= 1. Never throws. */ + "os.availableParallelism": { argTypes: [], result: F64 }, + /** os.hostname/machine/version/endianness, freemem, uptime and loadavg: + * libuv's answers (uname's machine and version fields, gethostname, + * "LE"/"BE", free memory in bytes, uptime in seconds, the three load + * averages). Fresh results; never throw. */ + "os.hostname": { argTypes: [], result: STRING }, + "os.machine": { argTypes: [], result: STRING }, + "os.version": { argTypes: [], result: STRING }, + "os.endianness": { argTypes: [], result: STRING }, + "os.freemem": { argTypes: [], result: F64 }, + "os.uptime": { argTypes: [], result: F64 }, + "os.loadavg": { argTypes: [], result: arrayOf(F64) }, + /** os.getPriority(pid): validateInt32 (RangeError ERR_OUT_OF_RANGE), + * then the priority; a failure throws Node's SystemError. */ + "os.getPriority": { argTypes: [F64], result: F64 }, + /** os.setPriority(pid, priority): validateInt32 for both (priority in + * -20..19, RangeError ERR_OUT_OF_RANGE), then the priority; a failure + * throws Node's SystemError. */ + "os.setPriority": { argTypes: [F64, F64], result: VOID }, + /** os.cpus(): cpusTake snapshots every CPU and answers the count; + * cpusModel(i) and cpusField(i, k) (k: 0 speed, 1 user, 2 nice, 3 sys, + * 4 idle, 5 irq) read the snapshot. Never throw. */ + "os.cpusTake": { argTypes: [], result: F64 }, + "os.cpusModel": { argTypes: [F64], result: STRING }, + "os.cpusField": { argTypes: [F64, F64], result: F64 }, + /** os.constants: the per-thread null-prototype constants object (dlopen, + * errno, signals, priority, UV_UDP_REUSEADDR). Never throws. */ + "os.constants": { argTypes: [], result: DYN }, + /** fs.constants: the target's cached null-prototype constants object. */ + "fs.constants": { argTypes: [], result: DYN }, + /** The deprecated node:constants object (scr_os.c): the os groups and + * fs.constants merged with the borrowed baked crypto.constants table, + * frozen, one per thread. */ + "constants.object": { argTypes: [DYN], result: DYN }, + /** umask(2): arg < 0 reads without setting (umask has no read-only form + * — set 0, restore); otherwise sets and answers the PREVIOUS mask. + * Never throws. */ + "process.umask": { argTypes: [F64], result: F64 }, + /** chdir(2) — throws Node's fs-shaped error (ENOENT/EACCES/ENOTDIR, + * syscall "chdir") on failure. */ + "process.chdir": { argTypes: [STRING], result: VOID }, + "process.loadEnvFile": { argTypes: [DYN], result: VOID }, + /** process._exiting: true once the exit sequence began (exit listeners + * running) — the runtime flag scr_run_exit_listeners/process.exit set. + * Never throws. */ + "process.exiting": { argTypes: [], result: BOOL }, + /** net's process-wide happy-eyeballs attempt budget (Node's default + * 250ms): one runtime double in the core unit, so reading/writing it + * never forces the net unit into the link. Never throw. */ + "net.getAutoSelTimeout": { argTypes: [], result: F64 }, + "net.setAutoSelTimeout": { argTypes: [F64], result: VOID }, + /** realpath(3) with Node's error shape (syscall "lstat" in the message, + * Node's own spelling for realpathSync failures). +1 fresh string. */ + "fs.realpathSync": { argTypes: [STRING], result: STRING }, + /** fs.realpathSync (or its .native when the flag is true) as a function + * value: path and options arrive unchecked; the result is a string or a + * Buffer by the options' encoding. */ + "fs.realpathValue": { argTypes: [DYN, DYN, BOOL], result: DYN }, + /** Native realpath with syscall "realpath" on failure. +1 fresh string. */ + "fs.realpathNativeSync": { argTypes: [STRING], result: STRING }, + /** The os.userInfo() field trio (uv_os_get_passwd's slices): pw_name, + * pw_shell, pw_dir — the PASSWD homedir, not os.homedir's $HOME-first + * cascade (Node's own split). The frontend assembles the UserInfo + * record from these plus getuid/getgid. +1 fresh strings; a passwd + * lookup failure aborts (Node throws a system error there — no + * compiled program path reaches it for the running uid). */ + "os.userName": { argTypes: [], result: STRING }, + "os.userShell": { argTypes: [], result: STRING }, + "os.userHomedir": { argTypes: [], result: STRING }, + "os.tmpdir": { argTypes: [], result: STRING }, + // Result is the call site's Dict record (VOID is + // the dgram.address sentinel — the libCall case checks the structure). + /** os.networkInterfaces(): getifaddrs(3) → the Dict + * record, built inline by the emitter from a runtime snapshot (scr_lib.c). + * The result type is the CALL SITE's mapped @types/node shape — a pure + * index-signature record whose value is `Info[] | undefined`, Info a + * two-record union (IPv4: scopeid `number | undefined` holding undefined; + * IPv6: scopeid number) — verified structurally by the frontend. Rows + * match libuv's filter (IFF_UP && IFF_RUNNING, AF_INET/AF_INET6; loopback + * = internal; MACs from the interface's link-level sibling entry, zeros + * when absent; cidr from the netmask's contiguous prefix, the null arm + * when it is missing or non-contiguous). Key/row order follows the OS's + * getifaddrs enumeration — Node itself does not guarantee an order. + * Fresh +1 record; never throws (a getifaddrs failure yields {}). */ + "os.networkInterfaces": { argTypes: [], result: VOID }, + /** `Math.max(...xs)` / `Math.min(...xs)` over one spread number[] + * (scr_number.c): the JS fold exactly — any NaN element poisons the + * result, ±0 order by the JS comparison (max prefers +0, min prefers + * -0), and the empty array yields -Infinity / +Infinity like the + * zero-argument calls. Borrows the array; never throws. */ + "math.maxArr": { argTypes: [arrayOf(F64)], result: F64 }, + "math.minArr": { argTypes: [arrayOf(F64)], result: F64 }, + "math.hypotArr": { argTypes: [arrayOf(F64)], result: F64 }, + /** `Math.floor(x)` — C floor() IS the JS operation (NaN/±0/±Infinity + * pass through bit-exactly). Never throws. */ + "math.floor": { argTypes: [F64], result: F64 }, + /** Math.abs (C fabs — IS the JS operation) and Math.round (scr_lib.c: + * ECMA half-toward-+Infinity with the exact-fraction comparison — C + * round() is half-away-from-zero and floor(x+0.5) drifts at the + * epsilon boundary). Borrow nothing; never throw. */ + "math.abs": { argTypes: [F64], result: F64 }, + "math.round": { argTypes: [F64], result: F64 }, - "math.trunc": { argTypes: [F64], result: F64 }, - "math.ceil": { argTypes: [F64], result: F64 }, - "math.sin": { argTypes: [F64], result: F64 }, - "math.sinh": { argTypes: [F64], result: F64 }, - "math.cos": { argTypes: [F64], result: F64 }, - "math.cosh": { argTypes: [F64], result: F64 }, - "math.tan": { argTypes: [F64], result: F64 }, - "math.tanh": { argTypes: [F64], result: F64 }, - "math.asin": { argTypes: [F64], result: F64 }, - "math.asinh": { argTypes: [F64], result: F64 }, - "math.acos": { argTypes: [F64], result: F64 }, - "math.acosh": { argTypes: [F64], result: F64 }, - "math.atan": { argTypes: [F64], result: F64 }, - "math.atanh": { argTypes: [F64], result: F64 }, - "math.cbrt": { argTypes: [F64], result: F64 }, - "math.clz32": { argTypes: [F64], result: F64 }, - /** Return -1, +1, or the original NaN/zero. In particular, -0 remains -0. */ - "math.sign": { argTypes: [F64], result: F64 }, - "math.exp": { argTypes: [F64], result: F64 }, - "math.expm1": { argTypes: [F64], result: F64 }, - "math.f16round": { argTypes: [F64], result: F64 }, - "math.fround": { argTypes: [F64], result: F64 }, - "math.sqrt": { argTypes: [F64], result: F64 }, - "math.log": { argTypes: [F64], result: F64 }, - "math.log1p": { argTypes: [F64], result: F64 }, - "math.log2": { argTypes: [F64], result: F64 }, - "math.log10": { argTypes: [F64], result: F64 }, - "math.atan2": { argTypes: [F64, F64], result: F64 }, - "math.pow": { argTypes: [F64, F64], result: F64 }, - "math.imul": { argTypes: [F64, F64], result: F64 }, - /** `Math.min(a, b)` / `Math.max(a, b)` — the two-argument scalar forms - * (scr_lib.c), JS-exact like the Arr folds: NaN poisons, max prefers +0 - * over -0 (min the reverse). C fmin/fmax are NOT these (they drop NaN). - * Never throw. */ - "math.min": { argTypes: [F64, F64], result: F64 }, - "math.max": { argTypes: [F64, F64], result: F64 }, - /** `Math.random()` — a uniform double in [0,1) with the spec's 53-bit - * granularity, drawn from arc4random_buf (the CSPRNG behind the crypto - * lowerings). Same distribution as Node, NECESSARILY different sequence - * (SEMANTICS.md 62 — no seeded sequence exists to match). Never throws. */ - "math.random": { argTypes: [], result: F64 }, - /** The static global parsers/tests (scr_string.c). num.parseInt is - * ECMA-262 19.2.5 exactly — JS whitespace, sign, ToInt32 radix (the - * frontend completes an omitted radix to 0 = the spec's "undefined": - * base 10 with the 0x hex escape), longest digit prefix, and the exact - * mathematical value correctly rounded (u64 fast path, bignum beyond — - * overflow is ±Infinity). num.isNaN is the NaN self-test on an - * already-number argument (tsc pins the argument to number, so no - * ToNumber coercion exists to model). Borrow; never throw. */ - "num.parseInt": { argTypes: [STRING, F64], result: F64 }, - /** ES parseFloat (scr_string.c): the longest StrDecimalLiteral prefix - * of the trimmed input (no hex, "Infinity" exact-case), NaN when none — - * ECMA-262 19.2.4 over a string argument (non-string arguments keep the - * fence: Node would ToNumber-coerce). Borrows; never throws. */ - "num.parseFloat": { argTypes: [STRING], result: F64 }, - /** `a.localeCompare(b)`: -1/0/1 in Node's root-locale collation for - * Latin-script text (scr_str_locale_compare). Never throws. */ - "str.localeCompare": { argTypes: [STRING, STRING], result: F64 }, - /** Annex B substr(start, length) with start ToNumber'd and length's - * presence; never throws. */ - "str.substr": { argTypes: [STRING, F64, F64, BOOL], result: STRING }, - /** toLocaleLowerCase/toLocaleUpperCase (scr_regex.c): the locales value - * as written, upper=true for toLocaleUpperCase. Throws for null and for - * locale forms with no native rules. */ - "str.localeCase": { argTypes: [STRING, DYN, BOOL], result: STRING }, - "str.replaceLiteral": { argTypes: [STRING, STRING, STRING, BOOL], result: STRING }, - // (subject, characters, NUL-separated replacement texts): the fused - // chain of global one-character replacements. - "str.replaceChars": { argTypes: [STRING, STRING, STRING], result: STRING }, - /* ToNumber(string) — ECMA-262 7.1.4.1 StringToNumber (scr_string.c): - * trim the JS StrWhiteSpace set, empty/whitespace-only → +0, then the - * whole span must be one StrNumericLiteral — signed decimal (Infinity - * included, strtod-over-validated-span correct rounding) or unsigned - * 0x/0o/0b (exact value, nearest-even; signed forms are NaN) — with - * any trailing garbage answering NaN. Number(aString), unary + on - * strings, and util.format %d over strings lower here. Borrows; never - * throws. */ - "num.fromString": { argTypes: [STRING], result: F64 }, - "num.isNaN": { argTypes: [F64], result: BOOL }, - /** The static URI component codecs (scr_string.c), ECMA-262 Encode/ - * Decode with the component sets over the runtime's UTF-8 strings. - * str.encodeUriComponent percent-encodes every byte outside the - * unreserved component set (ALPHA/DIGIT/- _ . ! ~ * ' ( )) as uppercase - * %XX — the spec's per-code-point UTF-8 encoding IS a byte scan here — - * and THROWS the spec's URIError ("URI malformed") on a lone surrogate. - * str.decodeUriComponent - * decodes %XX escapes bytewise (raw non-escape bytes copy through) and - * requires the escaped bytes to form strictly valid UTF-8 (overlong - * forms, surrogate code points, and >U+10FFFF refused, per UTF8-decode - * without replacement); bad hex or an invalid sequence THROWS the - * spec's URIError ("URI malformed"), catchable. Borrow; results +1. */ - "str.encodeUriComponent": { argTypes: [STRING], result: STRING }, - // The base64 globals: the argument is a dyn value (WebIDL ToString - // runs in the runtime); the zero-argument form always throws. - /** The WHATWG base64 globals (scr_string.c), Node-global since v16. - * Arguments are borrowed dyn values — WebIDL ToString runs in the - * runtime over the dyn kind (String(null) is "null": the html spec's - * coercion, which Node's atob(null) exercises). str.atob decodes - * forgiving-base64 (ASCII whitespace stripped, %4==0 strips up to two - * '=', %4==1 refuses, leftover bits discarded) into the latin1 code - * points as a string; a malformed input THROWS the catchable - * DOMException InvalidCharacterError ("The string to be decoded is not - * correctly encoded."). str.btoa encodes the string's code points as - * base64; any code point over U+00FF THROWS InvalidCharacterError - * ("Invalid character"). str.b64Missing is the zero-argument call of - * either: always throws Node's TypeError [ERR_MISSING_ARGS] "The - * \"input\" argument must be specified". Results +1. */ - "str.atob": { argTypes: [DYN], result: STRING }, - "str.btoa": { argTypes: [DYN], result: STRING }, - "str.b64Missing": { argTypes: [], result: STRING }, - "str.decodeUriComponent": { argTypes: [STRING], result: STRING }, - "str.decodeUri": { argTypes: [STRING], result: STRING }, - /** encodeURI: the same Encode() keeping the reserved set and '#' - * unescaped — throwing like the component encoder. Borrow; result +1. */ - "str.encodeUri": { argTypes: [STRING], result: STRING }, - /** RegExp.escape (ES2025): per-code-point EncodeForRegExpEscape — - * leading ASCII alphanumeric hex-escapes, syntax characters and '/' - * take a backslash, other punctuators/whitespace/line terminators - * hex-escape, the rest passes through. Total; borrows; result +1. */ - "regexp.escape": { argTypes: [STRING], result: STRING }, - /** Number.prototype formatters (scr_lib.c), JS-exact: - * num.toExponential is toExponential() with the spec's "as many digits - * as necessary"; num.toFixed0 is the non-throwing omitted-argument - * toFixed() fast path; num.toFixed implements an explicit fractionDigits - * with exact binary-value rounding and THROWS RangeError outside 0..100. - * Successful results +1. */ - "num.toExponential": { argTypes: [F64], result: STRING }, - "num.toFixed0": { argTypes: [F64], result: STRING }, - "num.toFixed": { argTypes: [F64, F64], result: STRING }, - /** toPrecision(precision) with the argument ToNumber'd and its presence - * (undefined answers ToString); toExponential with a DEFINED - * fractionDigits. Both throw V8's RangeError for out-of-range digits. */ - "num.toPrecision": { argTypes: [F64, F64, BOOL], result: STRING }, - "num.toExponentialDigits": { argTypes: [F64, F64], result: STRING }, - "num.toStringRadix": { argTypes: [F64, DYN], result: STRING }, - /** toString(radix) with a number radix (scr_lib.c): truncates it as - * ToIntegerOrInfinity does, THROWS RangeError outside 2..36. */ - "num.toStringRadixF64": { argTypes: [F64, F64], result: STRING }, - /** Object.is over two numbers — the spec's SameValue on doubles: NaN - * equals NaN, +0 differs from -0, everything else is `===`. Plain bool - * result; never throws. (Union-armed operands take unionEq's sameValue - * flag instead — this is the both-f64 fast path.) */ - "num.sameValue": { argTypes: [F64, F64], result: BOOL }, - /** `new Intl.NumberFormat("en-US").format(x)` and - * `x.toLocaleString("en-US")` with DEFAULT options — the one locale - * whose data the runtime embeds (Node's default-build locale): decimal - * notation, 0–3 fraction digits rounded half-up on the SHORTEST - * round-tripping decimal (ICU's rounding input, probed vs Node — - * format(1.0005) is "1.001" though toFixed(3) answers "1.000"), "," - * grouping every three integer digits, "∞"/"NaN" texts, and "-0" for - * negative inputs rounding to zero. Result +1; never throws. */ - "intl.numFormatEnUs": { argTypes: [F64], result: STRING }, - /** ES Symbol values (scr_symbol.c — link-gated by moduleUsesSymbol). - * sym.new: `Symbol(desc)` — a fresh runtime-unique identity (+1) whose - * one arg is the description string (borrowed); sym.newAnon is the - * description-less `Symbol()` form. sym.for: the Symbol.for global - * registry — one interned symbol per key (borrowed), +1 on every call. - * sym.toString: "Symbol(desc)" (+1 string; "Symbol()" when absent). - * sym.desc / sym.keyFor answer the interned `string | undefined` union - * (the runtime returns +1-or-NULL; the backend builds the union arms — - * the child.stdout pattern). None of these throw. */ - "sym.new": { argTypes: [STRING], result: SYMBOL_T }, - "sym.newAnon": { argTypes: [], result: SYMBOL_T }, - "sym.for": { argTypes: [STRING], result: SYMBOL_T }, - "sym.wellKnown": { argTypes: [STRING], result: SYMBOL_T }, - // Result is the interned `string | undefined` union — the libCall case - // checks the arms (the spawnRes.error pattern). - "sym.keyFor": { argTypes: [SYMBOL_T], result: VOID }, - "sym.desc": { argTypes: [SYMBOL_T], result: VOID }, - "sym.toString": { argTypes: [SYMBOL_T], result: STRING }, - /** Engine-free arbitrary-precision bigint operations (scr_bigint.c). - * parse accepts the ECMAScript BigInt string grammar; fromF64 accepts - * finite integral Numbers. Arithmetic returns fresh immutable values. - * cmp returns -1/0/1 as f64; toString accepts a numeric radix. */ - "bigint.parse": { argTypes: [STRING], result: BIGINT_T }, - "bigint.fromF64": { argTypes: [F64], result: BIGINT_T }, - "bigint.neg": { argTypes: [BIGINT_T], result: BIGINT_T }, - "bigint.not": { argTypes: [BIGINT_T], result: BIGINT_T }, - "bigint.add": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.sub": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.mul": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.div": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.mod": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.pow": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.and": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.or": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.xor": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.shl": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.shr": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, - "bigint.eq": { argTypes: [BIGINT_T, BIGINT_T], result: BOOL }, - "bigint.eqString": { argTypes: [BIGINT_T, STRING], result: BOOL }, - "bigint.cmp": { argTypes: [BIGINT_T, BIGINT_T], result: F64 }, - "bigint.cmpNumber": { argTypes: [BIGINT_T, F64], result: F64 }, - "bigint.truthy": { argTypes: [BIGINT_T], result: BOOL }, - "bigint.toString": { argTypes: [BIGINT_T, F64], result: STRING }, - "bigint.inspect": { argTypes: [BIGINT_T], result: STRING }, - "bigint.toF64": { argTypes: [BIGINT_T], result: F64 }, - "bigint.asUintN": { argTypes: [F64, BIGINT_T], result: BIGINT_T }, - "bigint.asIntN": { argTypes: [F64, BIGINT_T], result: BIGINT_T }, - "bigint.bufferRead": { argTypes: [BYTES_U8, F64, BOOL, BOOL], result: BIGINT_T }, - "bigint.bufferWrite": { argTypes: [BYTES_U8, BIGINT_T, F64, BOOL, BOOL], result: F64 }, - "bigint.dataViewGet": { argTypes: [BYTES_U8, F64, BOOL, BOOL], result: BIGINT_T }, - "bigint.dataViewSet": { argTypes: [BYTES_U8, F64, BIGINT_T, BOOL], result: VOID }, - /** node:url + the URL class (scr_url.c). url.new parses one absolute - * URL string into a mutable URL value (+1) — invalid input THROWS a - * catchable TypeError ("Invalid URL"), like Node's constructor. The - * getters (borrowed receiver, +1 string) never throw; url.href doubles - * as toString(). fileURLToPath has one libFn per receiver form (URL - * value / string) — both THROW Node's TypeErrors on non-file schemes, - * encoded slashes, and non-empty hosts. url.pathToFileURL resolves the - * path (getcwd) and never throws. */ - "url.new": { argTypes: [STRING], result: URL_T }, - "url.newBase": { argTypes: [STRING, STRING], result: URL_T }, - /** Factories consume already-converted input/base strings. canParse - * answers a boolean; parse returns a checked native URL or null (+1). - * Parser failures are suppressed; conversion occurs before these calls. */ - "url.canParse": { argTypes: [STRING], result: BOOL }, - "url.canParseBase": { argTypes: [STRING, STRING], result: BOOL }, - "url.parse": { argTypes: [STRING], result: DYN }, - "url.parseBase": { argTypes: [STRING, STRING], result: DYN }, - "url.protocol": { argTypes: [URL_T], result: STRING }, - "url.origin": { argTypes: [URL_T], result: STRING }, - "url.username": { argTypes: [URL_T], result: STRING }, - "url.password": { argTypes: [URL_T], result: STRING }, - "url.host": { argTypes: [URL_T], result: STRING }, - "url.hostname": { argTypes: [URL_T], result: STRING }, - "url.port": { argTypes: [URL_T], result: STRING }, - "url.pathname": { argTypes: [URL_T], result: STRING }, - "url.href": { argTypes: [URL_T], result: STRING }, - /** Selected component writes borrow the receiver and converted string. - * href replaces its parsed fields while retaining cached params identity. */ - "url.set": { argTypes: [URL_T, STRING, STRING], result: VOID }, - "url.setChecked": { argTypes: [URL_T, STRING, DYN], result: VOID }, - "url.fileURLToPathUrl": { argTypes: [URL_T], result: STRING }, - /** fileURLToPathUrl as a value: the path string, or the error it would - * throw (fs.existsSync and fs.promises URL paths). Never throws. */ - "url.fileURLToPathValue": { argTypes: [URL_T], result: DYN }, - /** getValidatedPath's null-byte check on a string path, and - * readFileSync's encoding check: what Node validates before it converts - * a later URL path. (path, argument name) and (encoding). */ - "fs.checkPath": { argTypes: [STRING, STRING], result: VOID }, - "fs.checkReadEncoding": { argTypes: [STRING], result: VOID }, - "url.fileURLToPathChecked": { argTypes: [DYN], result: STRING }, - "url.fileURLToPathOptions": { argTypes: [DYN, DYN], result: STRING }, - /** node:url's legacy API (scr_url_legacy.c): parse(url, parseQueryString, - * slashesDenoteHost) answers the checked-dynamic Url instance; format - * takes the urlObject (a Url-shaped object, a string, or a URL) and the - * URL form's options; resolve takes (from, to). The trailing bool says - * whether the call site emits DEP0169. domainToASCII/domainToUnicode - * take the domain and whether it was omitted. Node's validation errors - * throw catchably. */ - "url.legacyParse": { argTypes: [DYN, DYN, DYN, BOOL], result: DYN }, - "url.legacyFormat": { argTypes: [DYN, DYN, BOOL], result: STRING }, - "url.legacyResolve": { argTypes: [DYN, DYN, BOOL], result: STRING }, - "url.domainToASCII": { argTypes: [DYN, BOOL], result: STRING }, - "url.domainToUnicode": { argTypes: [DYN, BOOL], result: STRING }, - /** url.urlToHttpOptions over a checked-dynamic argument: a URL answers - * Node's null-prototype options object; a primitive or null throws - * ERR_INVALID_ARG_TYPE. */ - "url.toHttpOptions": { argTypes: [DYN], result: DYN }, - /** node:punycode (scr_url.c): punycode.js 2.1.0's string conversions; - * decode/toUnicode (and, past 32-bit deltas, encode/toASCII) throw the - * module's RangeErrors, ucs2Encode String.fromCodePoint's. warn marks the - * module's first load (scr_async_dyn.c) and reports DEP0040 then unless - * the second argument is false: at once for a static ES import, on the - * next tick for a require() call. */ - "punycode.decode": { argTypes: [STRING], result: STRING }, - "punycode.encode": { argTypes: [STRING], result: STRING }, - "punycode.toASCII": { argTypes: [STRING], result: STRING }, - "punycode.toUnicode": { argTypes: [STRING], result: STRING }, - "punycode.ucs2Decode": { argTypes: [STRING], result: arrayOf(F64) }, - "punycode.ucs2Encode": { argTypes: [arrayOf(F64)], result: STRING }, - "punycode.warn": { argTypes: [BOOL, BOOL], result: VOID }, - "url.fileURLToPathBuffer": { argTypes: [DYN, DYN], result: BYTES_U8 }, - "url.pathToFileURLChecked": { argTypes: [DYN, DYN], result: URL_T }, - "url.fileURLToPathStr": { argTypes: [STRING], result: STRING }, - "url.pathToFileURL": { argTypes: [STRING], result: URL_T }, - /** Explicit path syntax from the options.windows argument, independent - * of the executable's host platform. Windows UNC input can throw. */ - "url.pathToFileURLPlatform": { argTypes: [STRING, BOOL], result: URL_T }, - /** pathToFileURL under a win32 TARGET: the same scr_url_from_path call - * (the runtime selects the win32 arm by _WIN32), but a distinct IR name - * because that arm THROWS for malformed UNC inputs — may-throw seeds on - * it while posix pathToFileURL emission stays byte-identical. */ - "url.pathToFileURLWin32": { argTypes: [STRING], result: URL_T }, - /** URLSearchParams (scr_url.c — always linked with the url unit). - * Construction: sp.new (empty), sp.parse (one borrowed init string — - * a single leading '?' strips, Node's constructor), sp.copy (snapshot - * of another list), sp.fromPairs (a string[][] value — THROWS Node's - * ERR_INVALID_TUPLE TypeError on a non-[name, value] row; the one - * throwing entry in the family), sp.with (the record-literal init - * desugar: append one pair, answer the same list +1 — chains fold - * `new URLSearchParams({...})` into nested calls). url.searchParams - * answers the URL's LIVE cached view (+1, one identity per URL); - * url.search is the WHATWG search getter ("" for no/empty query). - * Methods mirror the WHATWG surface: sp.get answers +1-or-NULL (the - * sym.desc union pattern, null arm), sp.getAll a fresh string[]; - * sp.append/sp.set/sp.delete/sp.deleteValue/sp.sort mutate and - * re-serialize a live view's URL query; sp.has/sp.hasValue answer - * bools; sp.size/sp.toString are pure reads. sp.keyAt/sp.valAt are - * the for-of/forEach desugar's index reads (live — the loop re-reads - * sp.size each pass). */ - "sp.new": { argTypes: [], result: SEARCH_PARAMS_T }, - "sp.newChecked": { argTypes: [DYN], result: SEARCH_PARAMS_T }, - "sp.parse": { argTypes: [STRING], result: SEARCH_PARAMS_T }, - "sp.copy": { argTypes: [SEARCH_PARAMS_T], result: SEARCH_PARAMS_T }, - // The pairs argument is string[][] — checked structurally in validate.ts (the - // generic array-of slot has no named constant here). - "sp.fromPairs": { argTypes: [null], result: SEARCH_PARAMS_T }, - "sp.with": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: SEARCH_PARAMS_T }, - "url.searchParams": { argTypes: [URL_T], result: SEARCH_PARAMS_T }, - "url.search": { argTypes: [URL_T], result: STRING }, - "url.hash": { argTypes: [URL_T], result: STRING }, - // Result is the interned `string | null` union — the libCall case - // checks the arms (the spawnRes.signal pattern). - "sp.get": { argTypes: [SEARCH_PARAMS_T, STRING], result: VOID }, - "sp.getAll": { argTypes: [SEARCH_PARAMS_T, STRING], result: arrayOf(STRING) }, - "sp.append": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: VOID }, - "sp.set": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: VOID }, - "sp.delete": { argTypes: [SEARCH_PARAMS_T, STRING], result: VOID }, - "sp.deleteValue": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: VOID }, - "sp.has": { argTypes: [SEARCH_PARAMS_T, STRING], result: BOOL }, - "sp.hasValue": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: BOOL }, - "sp.sort": { argTypes: [SEARCH_PARAMS_T], result: VOID }, - "sp.size": { argTypes: [SEARCH_PARAMS_T], result: F64 }, - "sp.toString": { argTypes: [SEARCH_PARAMS_T], result: STRING }, - "sp.keyAt": { argTypes: [SEARCH_PARAMS_T, F64], result: STRING }, - "sp.valAt": { argTypes: [SEARCH_PARAMS_T, F64], result: STRING }, - // node:querystring. qs.parse's result is the call site's ParsedUrlQuery - // dictionary record (VOID is the networkInterfaces sentinel — the - // libCall case checks the structure); qs.stringify's object argument - // is a dyn value (the frontend dynFroms typed records). - /** node:querystring (scr_qs.c — link-gated by moduleUsesQs; NOT - * URLSearchParams: the legacy codec's escaping and '+' rules differ). - * qs.escape is Node's qsEscape, which encodes exactly the component - * unreserved set — it emits the always-linked scr_qs_escape, so - * escape-only programs never pull the unit. qs.unescape is Node's qsUnescape: strict decodeURIComponent - * first, the lenient legacy unescapeBuffer fallback on failure (never - * throws). qs.parse takes (str, sep, eq, maxKeys) — the frontend - * completes omitted/null sep/eq to "&"/"=" and the omitted maxKeys - * option to Node's 1000 (0 and negatives mean unlimited, Node's rule) — - * and its result type is the CALL SITE's mapped ParsedUrlQuery shape (a - * pure index-signature record over `string | string[]`, an undefined - * arm tolerated — @types/node's Dict), verified structurally by the - * frontend (lowerQuerystringParseCall); the emitters construct the - * record and hand its overflow map to scr_qs_parse_into with the two - * union tags. qs.stringify takes (obj, sep, eq) with obj a dyn value - * (the frontend dynFroms the typed record; JS-world dyn values pass - * through) — Node's encodeStringified rules run in the runtime, so - * arrays expand to repeated keys and null/undefined/nested objects are - * empty values. Custom encoder/decoder options fence at compile time. - * All borrow; string results +1; escape and stringify throw URIError - * [ERR_INVALID_URI] on a lone surrogate. */ - "qs.parse": { argTypes: [STRING, STRING, STRING, F64], result: VOID }, - "qs.stringify": { argTypes: [DYN, STRING, STRING], result: STRING }, - "qs.escape": { argTypes: [STRING], result: STRING }, - "qs.unescape": { argTypes: [STRING], result: STRING }, - /** node:util.parseArgs: one checked-dynamic config object in, one - * checked-dynamic ParsedResults tree out. Statically typed member reads - * validate their values when leaving that tree. The native parser may - * throw Node's coded validation/grammar TypeErrors. */ - "util.parseArgs": { argTypes: [DYN], result: DYN }, - "util.parseEnv": { argTypes: [DYN], result: DYN }, - "util.getSystemErrorName": { argTypes: [DYN], result: STRING }, - "util.getSystemErrorMessage": { argTypes: [DYN], result: STRING }, - "util.systemErrorEntries": { argTypes: [], result: DYN }, - "util.stripVTControlCharacters": { argTypes: [DYN], result: STRING }, - "util.toUSVString": { argTypes: [DYN], result: STRING }, - "util.isDeepStrictEqual": { argTypes: [DYN, DYN, DYN], result: BOOL }, - "util.styleText": { argTypes: [DYN, DYN, DYN], result: STRING }, - /** util.inherits/deprecate/callbackify/debuglog over checked-dynamic - * arguments (scr_util_callable.c). The function results are native dyn - * wrappers; call sites with a static function type check them back. */ - "util.inherits": { argTypes: [DYN, DYN], result: VOID }, - "util.inheritsPrototype": { argTypes: [DYN, DYN, DYN], result: VOID }, - "util.deprecate": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, - "util.isArrayDeprecated": { argTypes: [DYN], result: BOOL }, - "util.extend": { argTypes: [DYN, DYN], result: DYN }, - "util.signalExitCode": { argTypes: [DYN], result: F64 }, - "util.aborted": { argTypes: [DYN, DYN], result: DYN }, - "util.diff": { argTypes: [DYN, DYN], result: DYN }, - "util.debounce": { argTypes: [DYN, DYN, DYN], result: DYN }, - "util.throttle": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, - "mime.typeNew": { argTypes: [DYN, DYN], result: DYN }, - "mime.typeParse": { argTypes: [DYN], result: DYN }, - "mime.paramsNew": { argTypes: [], result: DYN }, - "mime.is": { argTypes: [DYN, F64], result: BOOL }, - "util.callbackify": { argTypes: [DYN], result: DYN }, - /** util.promisify over an untyped function value: a native dyn function - * whose calls answer a dyn promise the appended callback settles. */ - "util.promisifyDyn": { argTypes: [DYN], result: DYN }, - "util.debuglog": { argTypes: [DYN, DYN], result: DYN }, - "util.typeIs": { argTypes: [DYN, STRING], result: BOOL }, - "util.typeValue": { argTypes: [DYN, STRING], result: DYN }, - /** fs.statSync → a Stats value (may throw, like the other sync fs - * calls); the stats.* getters are pure reads on it. */ - "fs.statSync": { argTypes: [STRING], result: STATS_T }, - "fs.lstatSync": { argTypes: [STRING], result: STATS_T }, - // statSync / lstatSync(path, { throwIfNoEntry }): arg 1 is the flag. - // Result is the interned `Stats | undefined` union (the runtime answers - // +1-or-NULL; the backend builds the arms). - "fs.statProbeSync": { argTypes: [STRING, BOOL], result: VOID }, - "fs.lstatProbeSync": { argTypes: [STRING, BOOL], result: VOID }, - "fs.fstatSync": { argTypes: [F64], result: STATS_T }, - "fs.fchmodSync": { argTypes: [F64, F64], result: VOID }, - "fs.fsyncSync": { argTypes: [F64], result: VOID }, - "fs.fdatasyncSync": { argTypes: [F64], result: VOID }, - "fs.ftruncateSync": { argTypes: [F64, F64], result: VOID }, - "fs.utimesSync": { argTypes: [DYN, DYN, DYN], result: VOID }, - "fs.futimesSync": { argTypes: [DYN, DYN, DYN], result: VOID }, - "fs.lutimesSync": { argTypes: [DYN, DYN, DYN], result: VOID }, - "fs.readvSync": { argTypes: [F64, arrayOf(BYTES_U8), F64], result: F64 }, - "fs.writevSync": { argTypes: [F64, arrayOf(BYTES_U8), F64], result: F64 }, - "fs.linkSync": { argTypes: [DYN, DYN], result: VOID }, - "fs.symlinkSync": { argTypes: [DYN, DYN, DYN], result: VOID }, - /** fs.cpSync / fs/promises cp (scr_fs_cp.c): src, dest and options are - * dyn values the runtime validates in Node's order. */ - "fs.cpSync": { argTypes: [DYN, DYN, DYN], result: VOID }, - "fs.readlinkSync": { argTypes: [DYN, DYN], result: DYN }, - "fs.statfsSync": { argTypes: [DYN, DYN], result: DYN }, - "fs.readlinkSyncStr": { argTypes: [DYN, DYN], result: STRING }, - "fs.readlinkSyncBuffer": { argTypes: [DYN, DYN], result: BYTES_U8 }, - /** fs.openSync(path, flags) → the raw fd as f64; fs.readSync/fs.writeSync - * over Buffer windows perform sequential I/O when position is -1 and - * offset-preserving positioned I/O otherwise; fs.writeStrSync is the - * utf8 string twin; and fs.closeSync(fd) closes the descriptor. This is - * the fd slice behind spawn/log-processing forms. - * flags is Node's string - * grammar ("r", "w", "a" and the +/x variants; unknown flags throw - * Node's ERR_INVALID_ARG_VALUE TypeError text). All throw Node-shaped - * fs errors (openSync ENOENT/EACCES..., readSync EBADF/range errors, - * closeSync EBADF). */ - "fs.openSync": { argTypes: [STRING, STRING], result: F64 }, - "fs.openNumericSync": { argTypes: [STRING, F64, F64], result: F64 }, - "fs.readSync": { argTypes: [F64, BYTES_U8, F64, F64, F64], result: F64 }, - "fs.readSyncDyn": { argTypes: [DYN, DYN, DYN, DYN, DYN], result: F64 }, - "fs.writeSync": { argTypes: [F64, BYTES_U8, F64, F64, F64], result: F64 }, - "fs.writeStrSync": { argTypes: [F64, STRING, F64, STRING], result: F64 }, - // fs.watch's callback func type is program-dependent (zero params, or - // the eventType string) — the slot pins arity and the path/receiver. - /** fs.watch(path, listener?) → an FSWatcher handle (scr_watch.c — - * linked, and scr_watch_install() emitted, only when these appear on - * the IR; moduleUsesFsWatch is the switch). The path opens NOW — - * failure throws Node's fs error synchronously ("ENOENT: ..., watch - * 'x'", the polling-fallback catch shape) — and the unit's kqueue - * (EVFILT_VNODE) delivers "rename"/"change" through the loop's watch - * hook. The callback (nullable) MOVES in with an adapter per listener - * shape (zero-param, or the (eventType: string) form — runtime- - * provided); an open watcher keeps the loop alive until watcher.close() - * (idempotent, receiver borrowed, statement position only). */ - "fs.watch": { argTypes: [STRING], result: FSWATCHER_T }, - "fs.watchCb": { argTypes: [STRING, null], result: FSWATCHER_T }, - "watcher.close": { argTypes: [FSWATCHER_T], result: VOID }, - /** The composed `new crypto.X509Certificate(data).fingerprint` read - * (scr_lib.c — no certificate handle exists): the SHA-1 of the DER, - * uppercase colon-separated, over PEM or raw-DER Buffer input; other - * inputs throw Node's ERR_OSSL_PEM_NO_START_LINE Error (may-throw). */ - "crypto.x509Fingerprint": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509FingerprintStr": { argTypes: [STRING], result: STRING }, - /** The certificate's Validity window (validFrom / validTo reads — - * scr_lib.c's minimal ASN.1 walk to the TBSCertificate validity - * SEQUENCE): UTCTime and GeneralizedTime render in Node's exact - * ASN1_TIME_print shape ("Jul 1 00:00:00 2026 GMT" — %2d space-padded - * day). Same input contract and PEM error as the fingerprint pair - * (may-throw). */ - "crypto.x509ValidFrom": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509ValidFromStr": { argTypes: [STRING], result: STRING }, - "crypto.x509ValidTo": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509ValidToStr": { argTypes: [STRING], result: STRING }, - /** The certificate's DER as a fresh Buffer (the raw field), decoded - * once from the constructor's input; the same PEM error (may-throw). */ - "crypto.x509Raw": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "crypto.x509RawDer": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "crypto.x509RawStr": { argTypes: [STRING], result: BYTES_U8 }, - /** The remaining X509Certificate fields over that DER, in Node's - * renderings (scr_lib.c). subjectAltName, infoAccess and - * signatureAlgorithm answer "" where Node answers undefined. Borrowed; - * never throw. */ - "crypto.x509Subject": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509Issuer": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509SubjectAltName": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509InfoAccess": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509SerialNumber": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509Fingerprint256": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509Fingerprint512": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509Ca": { argTypes: [BYTES_U8], result: BOOL }, - "crypto.x509SignatureAlgorithm": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509SignatureAlgorithmOid": { argTypes: [BYTES_U8], result: STRING }, - /** X509Certificate methods over its raw DER. checkHost/checkEmail/checkIP - * answer the matching name or "" (undefined), checkIssued compares two - * certificates, x509Pem is toString's PEM (scr_x509.c); publicKey, - * verify and checkPrivateKey read keys (scr_pki.c). */ - "crypto.x509CheckHost": { argTypes: [BYTES_U8, DYN, DYN], result: STRING }, - "crypto.x509CheckEmail": { argTypes: [BYTES_U8, DYN, DYN], result: STRING }, - "crypto.x509CheckIP": { argTypes: [BYTES_U8, DYN, DYN], result: STRING }, - "crypto.x509CheckIssued": { argTypes: [BYTES_U8, BYTES_U8], result: BOOL }, - "crypto.x509LegacyObject": { argTypes: [BYTES_U8], result: DYN }, - "crypto.x509Pem": { argTypes: [BYTES_U8], result: STRING }, - "crypto.x509PublicKey": { argTypes: [BYTES_U8], result: DYN }, - "crypto.x509Verify": { argTypes: [BYTES_U8, DYN], result: BOOL }, - "crypto.x509CheckPrivateKey": { argTypes: [BYTES_U8, DYN], result: BOOL }, - "fs.closeSync": { argTypes: [F64], result: VOID }, - "stats.isFile": { argTypes: [STATS_T], result: BOOL }, - "stats.isDirectory": { argTypes: [STATS_T], result: BOOL }, - "stats.isSymbolicLink": { argTypes: [STATS_T], result: BOOL }, - "stats.size": { argTypes: [STATS_T], result: F64 }, - "stats.dev": { argTypes: [STATS_T], result: F64 }, - "stats.ino": { argTypes: [STATS_T], result: F64 }, - "stats.blocks": { argTypes: [STATS_T], result: F64 }, - "stats.nlink": { argTypes: [STATS_T], result: F64 }, - "stats.atimeMs": { argTypes: [STATS_T], result: F64 }, - "stats.mtimeMs": { argTypes: [STATS_T], result: F64 }, - "stats.ctimeMs": { argTypes: [STATS_T], result: F64 }, - "stats.birthtimeMs": { argTypes: [STATS_T], result: F64 }, - "stats.mode": { argTypes: [STATS_T], result: F64 }, - "stats.uid": { argTypes: [STATS_T], result: F64 }, - "stats.gid": { argTypes: [STATS_T], result: F64 }, - "stats.rdev": { argTypes: [STATS_T], result: F64 }, - "stats.blksize": { argTypes: [STATS_T], result: F64 }, - "stats.isBlockDevice": { argTypes: [STATS_T], result: BOOL }, - "stats.isCharacterDevice": { argTypes: [STATS_T], result: BOOL }, - "stats.isFIFO": { argTypes: [STATS_T], result: BOOL }, - "stats.isSocket": { argTypes: [STATS_T], result: BOOL }, - /** The Date fields: the *Ms value rounded (Node's dateFromMs). */ - "stats.atime": { argTypes: [STATS_T], result: DATE_T }, - "stats.mtime": { argTypes: [STATS_T], result: DATE_T }, - "stats.ctime": { argTypes: [STATS_T], result: DATE_T }, - "stats.birthtime": { argTypes: [STATS_T], result: DATE_T }, - // The wider sync fs slice (unlink/chmod/chown/copyfile and the - // mode-carrying write/mkdir forms). - /** The wider sync fs slice (scr_lib.c), all throwing catchably with - * Node's errno message shapes and `.code` stamped like the rest of - * sync fs. unlink/chmod/chown wrap the syscalls 1:1 (Node reports the - * syscall's own name). copyFileSync copies contents into a fresh (or - * truncated) destination carrying the SOURCE's mode (libuv's - * uv_fs_copyfile behavior); its errors carry BOTH paths — Node's - * "copyfile 'src' -> 'dest'". lstatSync is statSync without following - * a trailing symlink (Node reports lstat); stats.isSymbolicLink / - * stats.dev / ino / blocks / nlink / atimeMs / mtimeMs / ctimeMs are pure reads on the widened - * snapshot (blocks is allocated 512-byte units; the times are milliseconds - * with their sub-second fractions, Node's arithmetic). - * writeFileModeSync is writeFileSync(path, data, { mode }): the mode - * applies at CREATION only (open(2) with O_CREAT, umask applying), - * exactly Node — an existing file keeps its permissions. mkdirModeSync - * / mkdirRecursiveModeSync are the mkdirSync option forms with an - * explicit mode (the recursive walk passes it to every directory it - * creates, like Node's). */ - "fs.unlinkSync": { argTypes: [STRING], result: VOID }, - "fs.chmodSync": { argTypes: [STRING, F64], result: VOID }, - "fs.chownSync": { argTypes: [STRING, F64, F64], result: VOID }, - "fs.lchownSync": { argTypes: [STRING, F64, F64], result: VOID }, - "fs.fchownSync": { argTypes: [F64, F64, F64], result: VOID }, - /** truncateSync opens the path with 'r+', then truncates (len checked and - * clamped like ftruncateSync's) and closes it. */ - "fs.truncateSync": { argTypes: [STRING, F64], result: VOID }, - "fs.copyFileSync": { argTypes: [STRING, STRING], result: VOID }, - /** renameSync is the direct two-path syscall wrapper. renameCb defers - * the operation to the loop and fires a program-shaped Error | null - * callback through a backend-emitted adapter. */ - "fs.renameSync": { argTypes: [STRING, STRING], result: VOID }, - // Callback type is program-dependent (zero params or Error | null). - "fs.renameCb": { argTypes: [STRING, STRING, null], result: VOID }, - "fs.writeFileModeSync": { argTypes: [STRING, STRING, F64], result: VOID }, - "fs.mkdirModeSync": { argTypes: [STRING, F64], result: VOID }, - "fs.mkdirRecursiveModeSync": { argTypes: [STRING, F64], result: VOID }, - "atomics.wait": { argTypes: [bytesOf("i32"), F64, F64, F64], result: STRING }, - "atomics.notify": { argTypes: [bytesOf("i32"), F64, F64], result: F64 }, - "atomics.op": { argTypes: [null, F64, F64, F64, F64], result: F64 }, - "atomics.opDyn": { argTypes: [DYN, F64, F64, F64, F64], result: F64 }, - "atomics.waitDyn": { argTypes: [DYN, F64, F64, F64], result: STRING }, - "atomics.notifyDyn": { argTypes: [DYN, F64, F64], result: F64 }, - "worker.new": { argTypes: [F64, STRING, DYN], result: DYN }, - "worker.isMainThread": { argTypes: [], result: BOOL }, - "worker.threadId": { argTypes: [], result: F64 }, - "worker.root": { argTypes: [], result: F64 }, - "worker.data": { argTypes: [], result: DYN }, - "worker.parentPort": { argTypes: [], result: DYN }, - /** worker_threads.resourceLimits: {} in the main thread; a refusal in a - * worker (scr_worker_events.c). */ - "worker.resourceLimits": { argTypes: [], result: DYN }, - /** worker_threads.threadName: the Worker's name in a worker, "" in the - * main thread (scr_worker.c). */ - "worker.threadName": { argTypes: [], result: DYN }, - /** new MessageChannel() ({ port1, port2 }) and receiveMessageOnPort(port) - * (scr_worker_events.c; the latter may throw). */ - "worker.channel": { argTypes: [], result: DYN }, - "worker.receiveMessageOnPort": { argTypes: [DYN], result: DYN }, - /** setEnvironmentData(key, value) and getEnvironmentData(key) - * (scr_worker_events.c; arguments borrowed). */ - "worker.setEnvironmentData": { argTypes: [DYN, DYN], result: VOID }, - "worker.getEnvironmentData": { argTypes: [DYN], result: DYN }, - /** markAsUntransferable(value) and isMarkedAsUntransferable(value) - * (scr_worker_events.c; the value borrowed). */ - "worker.markUntransferable": { argTypes: [DYN], result: VOID }, - "worker.isMarkedUntransferable": { argTypes: [DYN], result: BOOL }, - /** markAsUncloneable(value) (scr_json.c; the value borrowed). */ - "dyn.markUncloneable": { argTypes: [DYN], result: VOID }, - /** before new Worker() with the stdout or stderr option: links the stream - * unit that worker.stdout and worker.stderr read through (scr_stream.c). */ - "stream.workerStdio": { argTypes: [], result: VOID }, - /** new BroadcastChannel(...args) (scr_worker_events.c; may throw), after - * event.broadcastInstall, which installs its EventTarget side. */ - "worker.broadcastChannel": { argTypes: [DYN], result: DYN }, - "event.broadcastInstall": { argTypes: [], result: VOID }, - /** child_process.spawnSync (scr_child.c): posix_spawn + waitpid + piped - * utf8 capture — cmd borrowed, args one borrowed string[] (the frontend - * completes an omitted list to an empty literal), result an owned (+1) - * spawnRes. NEVER throws: spawn failure (nonexistent binary, EACCES) is - * data, like Node's error property — status null and empty outputs - * (SEMANTICS.md documents the divergence from Node's null stdout). - * The getters are pure reads: status is the interned `number | null` - * union (null = spawn failure or signal death, type-directed - * construction in the backend like process.envGet); stdout/stderr are - * +1 strings. */ - "cp.spawnSync": { argTypes: [STRING, arrayOf(STRING)], result: SPAWNRES_T }, - // spawnSync's options form: timeout, killSignal name ("" = SIGTERM), - // and the three stdio modes. - /** spawnSync with options (scr_child.c): the cp.spawnSync core plus the - * option slice portless-class CLIs pass — timeout (killSignal fires at - * the deadline and the result carries error: ETIMEDOUT + the signal, - * Node's shape), killSignal (a signal NAME; "" = the SIGTERM default), - * and per-fd stdio modes (in: 0 /dev/null, 1 ignore, 2 inherit; out/ - * err: 0 capture, 1 ignore → "", 2 inherit → ""). NEVER throws — spawn - * failure and timeout are data on the result, like Node's error - * property. spawnRes.signal is the result's termination signal as the - * call site's `Signals | null` union (null = exited normally or spawn - * failure), constructed type-directedly like spawnRes.status. */ - "cp.spawnSyncOpts": { - argTypes: [STRING, arrayOf(STRING), F64, STRING, F64, F64, F64], - result: SPAWNRES_T, - }, - /** cp.spawnSyncOpts with the `env` option: the trailing [k,v,...] - * pairs replace the child's environment (recordToEnvPairs). */ - "cp.spawnSyncEnv": { - argTypes: [STRING, arrayOf(STRING), F64, STRING, F64, F64, F64, arrayOf(STRING)], - result: SPAWNRES_T, - }, - /** cp.spawnSyncOpts with the stdio carried as a RUNTIME string — - * "pipe" | "ignore" | "inherit", proven by the call site's TYPE (the - * defaultRunner idiom `stdio: options?.stdio ?? "pipe"`); the runtime - * maps the value to the three modes. Args (cmd, argv, timeout, - * killSignal, stdio). Never throws, like the other spawnSync forms. */ - "cp.spawnSyncStdioStr": { - argTypes: [STRING, arrayOf(STRING), F64, STRING, STRING], - result: SPAWNRES_T, - }, - // node:net (scr_net.c). Listener slots are program-dependent closures — - // null slots, checked in the libCall case (the child.onExit precedent); - // the zero-param callbacks pin the exact func type here. The trailing - // BOOL on registrations is the once flag. - /** node:net (scr_net.c — linked, and scr_net_install() emitted, only - * when one of these appears on the IR; moduleUsesNet is the switch). - * Receivers are borrowed; CALLBACKS MOVE into the handle's listener - * registry and are released at settlement (the child.onExit story). - * All listener registrations carry a trailing BOOL once-flag (`on` vs - * `once`) and are void — chaining is fenced. None of these throw: - * listen/connect failures are the async 'error' event, like Node. - * - * net.createServer's optional connection handler and the - * serverOnConnection listeners take the runtime-provided adapters - * (zero-param, or the one-param socket shape); sockOnData's adapters - * are the stdin pair's shapes (zero-param / bytes chunk); the error - * events reuse the child %Error adapters. net.listen/net.listenCb bind - * NOW and defer 'listening' to the next loop turn (Node's next-tick - * emit); net.serverPort is the composed `server.address().port` read. - * net.connect's host argument is a string ("localhost" pins to - * 127.0.0.1 — SEMANTICS.md); the connect callback is once('connect'). */ - "net.createServer": { argTypes: [], result: NETSERVER_T }, - "net.createServerCb": { argTypes: [null], result: NETSERVER_T }, - "net.listen": { argTypes: [NETSERVER_T, F64], result: VOID }, - /** listen(path[, cb]): a Unix-socket server; the socket file is removed - * when the server closes. Failures are the async 'error'. */ - "net.listenPath": { argTypes: [NETSERVER_T, STRING], result: VOID }, - "net.listenPathCb": { - argTypes: [NETSERVER_T, STRING, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "net.listenCb": { - argTypes: [NETSERVER_T, F64, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - /** listen({ port, host, ipv6Only }[, cb]) — the explicit-interface bind - * (portless's listenOnProxyInterface): args [server, port, host, - * ipv6Only]. host is an IP literal string ("" = the host-less - * dual-stack any default); ipv6Only sets IPV6_V6ONLY before the bind. - * These are the old-shaped calls, retained for omitted reusePort so - * serialized IR remains compatible. Failures are the async 'error', - * message in Node's listen shape with the requested host. Never throws. */ - "net.listenOpts": { argTypes: [NETSERVER_T, F64, STRING, BOOL], result: VOID }, - // The callback slot is a zero-param void closure OR its - // `(() => void) | undefined` optional-binding union (checked specially). - "net.listenOptsCb": { argTypes: [NETSERVER_T, F64, STRING, BOOL, null], result: VOID }, - /** Additive ABI for listen({ ..., reusePort }) — args - * [server, port, host, ipv6Only, reusePort], with the callback following - * those values in the callback form. The final BOOL is the requested - * kernel connection-distribution option; old spellings remain - * four/five-argument calls so serialized IR stays compatible. */ - "net.listenOptsReusePort": { argTypes: [NETSERVER_T, F64, STRING, BOOL, BOOL], result: VOID }, - // The callback is a zero-param void closure OR its optional-binding union; - // the callback follows the reusePort BOOL in this additive ABI. - "net.listenOptsReusePortCb": { - argTypes: [NETSERVER_T, F64, STRING, BOOL, BOOL, null], - result: VOID, - }, - "net.serverPort": { argTypes: [NETSERVER_T], result: F64 }, - "net.serverListening": { argTypes: [NETSERVER_T], result: BOOL }, - /** socket.ref()/unref() and server.ref()/unref(): whether the handle - * keeps the event loop alive. */ - "net.sockSetRef": { argTypes: [NETSOCKET_T, BOOL], result: VOID }, - "net.serverSetRef": { argTypes: [NETSERVER_T, BOOL], result: VOID }, - // net.serverAddress's record result is shape-checked in the libCall case - // (the dgram.address sentinel pattern). - /** server.address() as the full AddressInfo record (the dgram.address - * materialization pattern: the emitter builds the record from the three - * runtime reads; the frontend pinned the shape). Never throws — before - * listen it answers the any-form defaults with port 0 where Node - * answers null (the serverPort stance). */ - "net.serverAddress": { argTypes: [NETSERVER_T], result: VOID }, - "net.serverClose": { argTypes: [NETSERVER_T], result: VOID }, - /** server.close((err) => ...): the callback (a dyn function) gets - * undefined once the server closes, or Node's ERR_SERVER_NOT_RUNNING - * when it was not listening. */ - "net.serverCloseDyn": { argTypes: [NETSERVER_T, DYN], result: VOID }, - /** server.address() in programs that may listen on a Unix socket: the - * path a listening server answers ("" for a TCP server), and the check - * a record-typed address() makes first (throws for a Unix server). */ - "net.serverUnixPath": { argTypes: [NETSERVER_T], result: STRING }, - "net.serverAddressCheck": { argTypes: [NETSERVER_T], result: VOID }, - "net.serverCloseCb": { - argTypes: [NETSERVER_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "net.serverOnError": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - "net.serverOnClose": { - argTypes: [NETSERVER_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "net.serverOnConnection": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - /** 'secureConnection' — the TLS server's deferred 'connection' list - * (handshake-completion timing); on a server without deferred - * connections (a plain net server) the registration never fires, - * exactly Node's split. */ - "net.serverOnSecureConnection": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - "net.connect": { argTypes: [F64, STRING], result: NETSOCKET_T }, - /** connect with a validated autoSelectFamilyAttemptTimeout option (the - * budget runs Node's validateInt32-from-1 ladder and is then inert — - * the single dial has nothing to time). May-throw. */ - "net.connectAttempt": { argTypes: [F64, STRING, DYN], result: NETSOCKET_T }, - /** net.connect/createConnection over a RUNTIME option bag (computed - * keys — the invalid-input probes): Node-order validation (the - * objectMode trio's ERR_INVALID_ARG_VALUE, validatePort, host string, - * autoSelectFamily boolean, the attempt budget), then the trailing - * compiler-rendered fence — ALWAYS THROWS (the error.nodeThrow - * polymorphic-result carve-out). May-throw seed. */ - "net.connectOptsChk": { argTypes: [DYN, STRING], result: VOID }, - "net.connectCb": { - argTypes: [F64, STRING, { kind: "func", params: [], ret: VOID }], - result: NETSOCKET_T, - }, - // The lookup's exact func shape is program data (its answer callback's - // union/record types) — checked specially in the libCall case. - /** connect({ port, host, autoSelectFamily: true, lookup }) — the - * caller-resolver dial (portless's createLoopbackConnection): args - * [port, host, lookup]. The runtime creates the (connecting) socket - * handle, invokes the lookup as Node does — lookup(hostname, options, - * callback), options crossing as the dyn undefined — and the answer - * closure (an emitter-synthesized per-shape thunk over a boxed socket, - * the SNI-answer pattern) dials the answered addresses IN ORDER: each - * connect failure tries the next, the LAST failure's message is the - * socket's 'error' (Node's autoSelectFamily aggregate is a documented - * divergence), and a lookup error surfaces as the deferred socket - * 'error'. A synchronous throw INSIDE the lookup propagates out of the - * connect call (may-throw seed). */ - "net.connectLookup": { argTypes: [F64, STRING, null], result: NETSOCKET_T }, - /** connect({ host, port, lookup }) with a lookup of Node's own type, as - * a checked-dynamic function: the runtime calls it with { hints, all: - * true } and a callback taking an address string or list, then dials - * the answers in order. MAY THROW (host validation, a lookup throw). */ - "net.connectLookupDyn": { argTypes: [F64, STRING, DYN], result: NETSOCKET_T }, - "net.sockWrite": { argTypes: [NETSOCKET_T, STRING], result: VOID }, - "net.sockWriteBytes": { argTypes: [NETSOCKET_T, BYTES_U8], result: VOID }, - "net.sockEnd": { argTypes: [NETSOCKET_T], result: VOID }, - "net.sockEndStr": { argTypes: [NETSOCKET_T, STRING], result: VOID }, - "net.sockEndBytes": { argTypes: [NETSOCKET_T, BYTES_U8], result: VOID }, - /** write/end with a CHECKED-DYNAMIC chunk (an untyped JS payload into a - * typed socket): the runtime dispatches STR/BYTES and throws Node's - * ERR_INVALID_ARG_TYPE chunk TypeError on any other kind. */ - "net.sockWriteDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, - "net.sockEndDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, - "net.sockDestroy": { argTypes: [NETSOCKET_T], result: VOID }, - "net.sockPipe": { argTypes: [NETSOCKET_T, NETSOCKET_T], result: VOID }, - /** socket.pipe(res) — raw socket chunks into a ServerResponse body - * (the extended-CONNECT bridge leg): each chunk is a body write (the - * response's own framing applies); source EOF end()s the response, - * pipe's default. Borrows both. Never throws. */ - "net.sockPipeRes": { argTypes: [NETSOCKET_T, HTTPRES_T], result: VOID }, - "net.sockOnData": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, - "net.sockOnEnd": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "net.sockOnClose": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "net.sockOnError": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, - "net.sockOnConnect": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - // node:dgram + node:dns (scr_dgram.c). The message/error listeners and - // dns.lookup's callback are program-dependent closures (null slots, - // checked in the libCall case); dgram.address's record result is - // program-dependent too (VOID here is the envGet sentinel — the libCall - // case checks the {address, family, port} shape). - /** node:dgram + node:dns (scr_dgram.c — linked, and - * scr_dgram_install() emitted, only when one of these appears on the - * IR; moduleUsesDgram is the switch — dns.lookup rides the same unit). - * The net listener discipline verbatim: receivers borrowed, CALLBACKS - * MOVE into the handle's registry and release at settlement, `on` vs - * `once` is the trailing bool, registrations are void. bind/connect - * bind NOW and defer 'listening'/'connect' to the next loop turn (the - * net.listen story); their optional-host completions are "" - * (bind → 0.0.0.0) and "127.0.0.1" (connect — udp4's Node default). - * bind/connect/send/close/address THROW Node's state errors ("Socket - * is already bound", "Already connected", "Not running") — may-throw - * seeded. dgram.address returns the AddressInfo RECORD (the frontend - * pins the {address, family, port} shape; the emitter builds it from - * runtime parts). onMessage adapters are emitted per rinfo record - * shape (the child.onExit precedent); onError reuses the child %Error - * adapters. dns.lookup resolves via getaddrinfo AT CALL TIME and - * defers the callback to the next turn (SEMANTICS.md documents the - * blocking divergence); its per-union adapter builds the - * `Error | null` first argument. */ - "dgram.createSocket": { argTypes: [BOOL], result: DGRAMSOCK_T }, - "dgram.bind": { argTypes: [DGRAMSOCK_T, F64, STRING], result: VOID }, - "dgram.bindCb": { - argTypes: [DGRAMSOCK_T, F64, STRING, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "dgram.connect": { argTypes: [DGRAMSOCK_T, F64, STRING], result: VOID }, - "dgram.connectCb": { - argTypes: [DGRAMSOCK_T, F64, STRING, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "dgram.sendStr": { argTypes: [DGRAMSOCK_T, STRING, F64, STRING], result: VOID }, - "dgram.sendBytes": { argTypes: [DGRAMSOCK_T, BYTES_U8, F64, STRING], result: VOID }, - /** Connected AF_UNIX datagram sockets for the hot-shots package shim - * (the unix-dgram addon's surface): fd or result >= 0, -errno on - * failure; send answers 1 when the socket would block. */ - "dgram.unixSocket": { argTypes: [], result: F64 }, - "dgram.unixConnect": { argTypes: [F64, STRING], result: F64 }, - "dgram.unixSend": { argTypes: [F64, BYTES_U8], result: F64 }, - "dgram.unixClose": { argTypes: [F64], result: F64 }, - /** The send argument-validation ladder over dyn arguments (Node's - * signature shuffle: slice bounds, list/type contracts, port/address - * validation, connected-state errors), then the send: lists, connected - * sends and completion callbacks included. Up to six arguments, the - * missing ones undefined. May-throw. */ - "dgram.sendChk": { argTypes: [DGRAMSOCK_T, DYN, DYN, DYN, DYN, DYN, DYN], result: VOID }, - "dgram.address": { argTypes: [DGRAMSOCK_T], result: VOID }, - "dgram.close": { argTypes: [DGRAMSOCK_T], result: VOID }, - "dgram.closeCb": { - argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "dgram.unref": { argTypes: [DGRAMSOCK_T], result: VOID }, - "dgram.ref": { argTypes: [DGRAMSOCK_T], result: VOID }, - /** The socket options (scr_dgram.c): the membership calls take the - * interface and whether it was given. May-throw. */ - "dgram.setBroadcast": { argTypes: [DGRAMSOCK_T, BOOL], result: VOID }, - "dgram.setTTL": { argTypes: [DGRAMSOCK_T, F64], result: F64 }, - "dgram.setMulticastTTL": { argTypes: [DGRAMSOCK_T, F64], result: F64 }, - "dgram.setMulticastLoopback": { argTypes: [DGRAMSOCK_T, BOOL], result: BOOL }, - "dgram.setMulticastInterface": { argTypes: [DGRAMSOCK_T, STRING], result: VOID }, - "dgram.addMembership": { argTypes: [DGRAMSOCK_T, STRING, STRING, BOOL], result: VOID }, - "dgram.dropMembership": { argTypes: [DGRAMSOCK_T, STRING, STRING, BOOL], result: VOID }, - "dgram.getRecvBufferSize": { argTypes: [DGRAMSOCK_T], result: F64 }, - "dgram.getSendBufferSize": { argTypes: [DGRAMSOCK_T], result: F64 }, - "dgram.setRecvBufferSize": { argTypes: [DGRAMSOCK_T, F64], result: VOID }, - "dgram.setSendBufferSize": { argTypes: [DGRAMSOCK_T, F64], result: VOID }, - "dgram.getSendQueueSize": { argTypes: [DGRAMSOCK_T], result: F64 }, - "dgram.getSendQueueCount": { argTypes: [DGRAMSOCK_T], result: F64 }, - "dgram.disconnect": { argTypes: [DGRAMSOCK_T], result: VOID }, - "dgram.onMessage": { argTypes: [DGRAMSOCK_T, null, BOOL], result: VOID }, - "dgram.onError": { argTypes: [DGRAMSOCK_T, null, BOOL], result: VOID }, - "dgram.onListening": { - argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "dgram.onClose": { - argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "dgram.onConnect": { - argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "dns.lookup": { argTypes: [STRING, F64, null], result: VOID }, - /** Node's argument forms with dyn callbacks: lookup(hostname, options, - * callback) and lookupService(address, port, callback). */ - "dns.lookupDyn": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, - "dns.lookupService": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, - /** node:dns/promises: lookup(hostname, options) and lookupService(address, - * port) over the callback forms; the promise fulfills with the dyn - * { address, family } (array for all: true) / { hostname, service }. - * Argument errors throw synchronously (may-throw), unlike the - * util.promisify forms below. */ - "dns.promisesLookup": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "dns.promisesLookupService": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "dns.getServers": { argTypes: [], result: DYN }, - "dns.getDefaultResultOrder": { argTypes: [], result: STRING }, - "dns.setDefaultResultOrder": { argTypes: [DYN], result: VOID }, - // node:test (scr_test.c). Bodies are program-dependent closures (0 or - // 1 testCtx param, void or Promise result — the spoke pinned the - // shape): null slots. sub's result is the settled Promise the - // await consumes. - /** node:test (scr_test.c — linked only when one of these appears on - * the IR; moduleUsesNodeTest is the switch, and the main epilogue asks - * scr_test_exit_code() for the process's exit status). Strings are - * BORROWED, callbacks MOVE. register/suite/hook attach to the runner - * tree (register: name, mode 0|1|2 run/skip/todo, directive message "" - * = none, cb or absent via registerEmpty, flags 1 async | 2 takes-ctx - * | 4 only, "file:line:col"); suite runs its body AT registration - * (Node's collection phase). sub is t.test — runs the subtest INLINE - * on the runner fiber and returns the settled promise the await - * consumes. ctxSkip/ctxTodo mark the running test; ctxDiagnostic - * queues an ℹ line; ctxName reads t.name. Every registration keeps - * the loop-run emitted (usesTimers) so the runner fiber drains. */ - // The trailing three are the { plan, timeout, concurrency } options (plan - // -1 without one; timeout read under flag 8; concurrency read under flag - // 16, -1 for true). An out-of-range timeout or concurrency throws. - "test.register": { - argTypes: [STRING, F64, STRING, null, F64, STRING, F64, F64, F64], - result: VOID, - }, - "test.registerEmpty": { - argTypes: [STRING, F64, STRING, F64, STRING, F64, F64, F64], - result: VOID, - }, - // The suite body takes no parameters or its SuiteContext (flag 2). - "test.suite": { argTypes: [STRING, F64, STRING, null, STRING, F64, F64], result: VOID }, - // The trailing string is the hook call's "file:line:col". - "test.hook": { argTypes: [F64, null, F64, STRING], result: VOID }, - "test.sub": { - argTypes: [TESTCTX_T, STRING, F64, STRING, null, F64, STRING, F64, F64, F64], - result: { kind: "promise", inner: VOID }, - }, - "test.subEmpty": { - argTypes: [TESTCTX_T, STRING, F64, STRING, F64, STRING, F64, F64, F64], - result: VOID, - }, - "test.ctxSkip": { argTypes: [TESTCTX_T, STRING], result: VOID }, - "test.ctxTodo": { argTypes: [TESTCTX_T, STRING], result: VOID }, - "test.ctxDiagnostic": { argTypes: [TESTCTX_T, STRING], result: VOID }, - "test.ctxName": { argTypes: [TESTCTX_T], result: STRING }, - "test.ctxFullName": { argTypes: [TESTCTX_T], result: STRING }, - // t.passed, and t.workerId's Number(NODE_TEST_WORKER_ID) with 0 for - // undefined. - "test.ctxPassed": { argTypes: [TESTCTX_T], result: BOOL }, - "test.workerId": { argTypes: [], result: F64 }, - // getTestContext(): whether a test, suite or hook is running in the - // current async context, and that context. - "test.hasContext": { argTypes: [], result: BOOL }, - "test.context": { argTypes: [], result: TESTCTX_T }, - // t.before/t.after/t.beforeEach/t.afterEach (which: 0 before, 1 after, - // 2 beforeEach, 3 afterEach); a throwing t.before is captured on the test. - "test.ctxHook": { argTypes: [TESTCTX_T, F64, null, F64], result: VOID }, - // t.plan(count), and the count of one t.assert call. - "test.ctxPlan": { argTypes: [TESTCTX_T, F64], result: VOID }, - "test.ctxCount": { argTypes: [TESTCTX_T], result: VOID }, - // The mock trackers: the module's `mock` and t.mock keep each mock's - // restore closure (moved) for restoreAll and reset. - "test.mockTrack": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: VOID }, - "test.mockRestoreAll": { argTypes: [], result: VOID }, - "test.mockReset": { argTypes: [], result: VOID }, - "test.ctxMockTrack": { - argTypes: [TESTCTX_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "test.ctxMockRestoreAll": { argTypes: [TESTCTX_T], result: VOID }, - "test.ctxMockReset": { argTypes: [TESTCTX_T], result: VOID }, - // mock.timers on the module's `mock` and on t.mock. enable takes one - // code per listed API ('T' setTimeout, 'I' setInterval), the `now` - // value and its flags (1 given, 2 from a Date). enable, tick, runAll and - // setTime throw Node's errors; tick and runAll run timer callbacks. - // t.assert.snapshot and fileSnapshot: the escaped, wrapped serialized - // value, and the stored value it is compared with (snapshot: the test, - // the value, the snapshot file; fileSnapshot: the value, the path). - // Both read or, in update mode, record; missing and unreadable - // snapshots throw Node's ERR_INVALID_STATE. - "test.snapshotValue": { argTypes: [STRING], result: STRING }, - "test.ctxSnapshot": { argTypes: [TESTCTX_T, STRING, STRING], result: STRING }, - "test.fileSnapshot": { argTypes: [STRING, STRING], result: STRING }, - // Node's serializeValue over a dyn array of serializers (undefined for - // the default JSON.stringify(value, null, 2)); a throw becomes Node's - // "The provided serializers did not generate a string." ERR_INVALID_STATE. - "test.snapshotSerialize": { argTypes: [DYN, DYN], result: DYN }, - "test.mockTimersEnable": { argTypes: [STRING, F64, F64], result: VOID }, - "test.mockTimersTick": { argTypes: [F64], result: VOID }, - "test.mockTimersRunAll": { argTypes: [], result: VOID }, - "test.mockTimersReset": { argTypes: [], result: VOID }, - "test.mockTimersSetTime": { argTypes: [F64], result: VOID }, - "test.ctxMockTimersEnable": { argTypes: [TESTCTX_T, STRING, F64, F64], result: VOID }, - "test.ctxMockTimersTick": { argTypes: [TESTCTX_T, F64], result: VOID }, - "test.ctxMockTimersRunAll": { argTypes: [TESTCTX_T], result: VOID }, - "test.ctxMockTimersReset": { argTypes: [TESTCTX_T], result: VOID }, - "test.ctxMockTimersSetTime": { argTypes: [TESTCTX_T, F64], result: VOID }, - // node:http (scr_http.c over scr_net.c). The handler and the data - // listeners are program-dependent closures (null slots, checked in the - // libCall case); reqHeader's result is the interned string|undefined - // union, checked like process.envGet. - /** node:http, the server slice (scr_http.c over scr_net.c — linked - * only when these appear on the IR; moduleUsesHttpServer is the - * switch, and any http.* libCall also counts as net use so scr_net.c - * links and installs). http.createServer's handler MOVES in and takes - * the runtime adapters for its (req, res) / (req) / () shapes; req - * body listeners follow the net.sockOnData story (bytes chunks, once - * flags); reqHeader answers the interned `string | undefined` union - * exactly like process.envGet; the res writers are borrowed-argument - * voids with Node's framing decided in the runtime (Content-Length - * for end-before-head, chunked after an explicit writeHead/write). */ - "http.createServer": { argTypes: [null], result: NETSERVER_T }, - /** http.createServer() / http.Server() with no handler — the - * on("request") route; option helpers set parser behavior on a fresh - * server before the constructor/factory result is returned. */ - "http.createServerEmpty": { argTypes: [], result: NETSERVER_T }, - "http.validateHeaderName": { argTypes: [STRING, STRING], result: VOID }, - "http.validateHeaderValue": { argTypes: [STRING, DYN], result: VOID }, - "http.serverJoinDupHeaders": { argTypes: [NETSERVER_T], result: VOID }, - "http.serverAllowMissingHostHeader": { argTypes: [NETSERVER_T], result: VOID }, - /** The five writable numeric http.Server timeout fields use one - * selector ABI: 0 timeout, 1 keepAliveTimeout, 2 headersTimeout, - * 3 requestTimeout, 4 keepAliveTimeoutBuffer. These calls store/read - * the property values; timer enforcement remains outside this surface. - * The constructor-option setter takes dyn so explicit undefined remains - * distinguishable from a numeric value until its Node validation ladder. */ - "http.serverTimeoutGet": { argTypes: [NETSERVER_T, F64], result: F64 }, - "http.serverSetTimeout": { argTypes: [NETSERVER_T, F64], result: VOID }, - "http.serverSetTimeoutCb": { argTypes: [NETSERVER_T, F64, null], result: VOID }, - "http.serverOnTimeout": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - "http.serverCloseAllConnections": { argTypes: [NETSERVER_T], result: VOID }, - "http.serverCloseIdleConnections": { argTypes: [NETSERVER_T], result: VOID }, - "http.serverTimeoutSet": { argTypes: [NETSERVER_T, F64, F64], result: VOID }, - "http.serverTimeoutOptionSet": { argTypes: [NETSERVER_T, F64, DYN], result: VOID }, - /** server.on("listening", cb) — the deferred listen-callback list. */ - "net.serverOnListening": { - argTypes: [NETSERVER_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - /** The ServerResponse member surface: statusCode/statusMessage reads - * and assignments (Node's writable properties), the header CRUD trio - * (getHeader answers `string | undefined` like reqHeader), and - * end(cb)'s callback slot (resOnEndCallback registers, the end call - * follows — the callback fires deferred, just before Node's 'finish' - * emit; resOnFinish is the 'finish' listener slot). writeHead's - * statusMessage forms compose in interned helpers: resStatusMsgSet - * then the ordinary writeHead entry. */ - "http.resStatusGet": { argTypes: [HTTPRES_T], result: F64 }, - "http.resStatusSet": { argTypes: [HTTPRES_T, F64], result: VOID }, - "http.resStatusMsgGet": { argTypes: [HTTPRES_T], result: VOID }, - "http.resStatusMsgSet": { argTypes: [HTTPRES_T, STRING], result: VOID }, - "http.resRequest": { argTypes: [HTTPRES_T], result: HTTPREQ_T }, - "http.resSocket": { argTypes: [HTTPRES_T], result: VOID }, - "http.resWritableFinished": { argTypes: [HTTPRES_T], result: BOOL }, - "http.resSendDateGet": { argTypes: [HTTPRES_T], result: BOOL }, - "http.resSendDateSet": { argTypes: [HTTPRES_T, BOOL], result: VOID }, - "http.resStrictContentLengthGet": { argTypes: [HTTPRES_T], result: BOOL }, - "http.resStrictContentLengthSet": { argTypes: [HTTPRES_T, BOOL], result: VOID }, - "http.resSetTimeout": { argTypes: [HTTPRES_T, F64], result: VOID }, - "http.resSetTimeoutCb": { - argTypes: [HTTPRES_T, F64, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - // resGetHeader answers the interned `string | undefined` union — the - // reqHeader/envGet sentinel pattern (VOID here, checked specially). - "http.resGetHeader": { argTypes: [HTTPRES_T, STRING], result: VOID }, - /** getHeader as Node answers it: the number, string or string[] that was - * set, or undefined, as a checked-dynamic value. */ - "http.resGetHeaderDyn": { argTypes: [HTTPRES_T, STRING], result: DYN }, - "http.resGetHeaderNames": { argTypes: [HTTPRES_T], result: arrayOf(STRING) }, - "http.resGetRawHeaderNames": { argTypes: [HTTPRES_T], result: arrayOf(STRING) }, - "http.resGetHeaders": { argTypes: [HTTPRES_T], result: DYN }, - "http.resHasHeader": { argTypes: [HTTPRES_T, STRING], result: BOOL }, - "http.resRemoveHeader": { argTypes: [HTTPRES_T, STRING], result: VOID }, - "http.resOnFinish": { - argTypes: [HTTPRES_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "http.resOnEndCallback": { - argTypes: [HTTPRES_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "http.reqUrl": { argTypes: [HTTPREQ_T], result: STRING }, - "http.reqMethod": { argTypes: [HTTPREQ_T], result: STRING }, - "http.reqHeader": { argTypes: [HTTPREQ_T, STRING], result: VOID }, - "http.reqTrailer": { argTypes: [HTTPREQ_T, STRING], result: VOID }, - "http.reqHeaderValues": { argTypes: [HTTPREQ_T, STRING], result: VOID }, - "http.reqTrailerValues": { argTypes: [HTTPREQ_T, STRING], result: VOID }, - "http.reqOnData": { argTypes: [HTTPREQ_T, null, BOOL], result: VOID }, - "http.reqOnEnd": { - argTypes: [HTTPREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.resSetHeader": { argTypes: [HTTPRES_T, STRING, STRING], result: VOID }, - /** setHeader / appendHeader with a number, string or array value; the - * stored value keeps its type for getHeader/getHeaders. MAY THROW. */ - "http.resSetHeaderDyn": { argTypes: [HTTPRES_T, STRING, DYN], result: VOID }, - "http.resAppendHeader": { argTypes: [HTTPRES_T, STRING, DYN], result: VOID }, - "http.resWriteHead": { argTypes: [HTTPRES_T, F64], result: VOID }, - "http.resWriteHeadN": { - argTypes: [HTTPRES_T, F64, arrayOf(STRING), arrayOf(STRING)], - result: VOID, - }, - /** HTTP/1.1 informational heads; early hints takes flat string pairs, - * with a lowercase `link` key required to send anything. */ - "http.resWriteContinue": { argTypes: [HTTPRES_T], result: VOID }, - "http.resWriteProcessing": { argTypes: [HTTPRES_T], result: VOID }, - "http.resWriteEarlyHints": { argTypes: [HTTPRES_T, arrayOf(STRING)], result: VOID }, - "http.resWrite": { argTypes: [HTTPRES_T, STRING], result: VOID }, - "http.resWriteBytes": { argTypes: [HTTPRES_T, BYTES_U8], result: VOID }, - "http.resEnd": { argTypes: [HTTPRES_T], result: VOID }, - "http.resEndStr": { argTypes: [HTTPRES_T, STRING], result: VOID }, - "http.resEndBytes": { argTypes: [HTTPRES_T, BYTES_U8], result: VOID }, - /** The checked-dynamic chunk twins (the net.sockWriteDyn story). */ - "http.resWriteDyn": { argTypes: [HTTPRES_T, DYN], result: VOID }, - "http.resEndDyn": { argTypes: [HTTPRES_T, DYN], result: VOID }, - "http.resHeadersSent": { argTypes: [HTTPRES_T], result: BOOL }, - "http.resWritableEnded": { argTypes: [HTTPRES_T], result: BOOL }, - "http.resFlushHeaders": { argTypes: [HTTPRES_T], result: VOID }, - "http.resAddTrailers": { argTypes: [HTTPRES_T, arrayOf(STRING)], result: VOID }, - "http.resCork": { argTypes: [HTTPRES_T], result: VOID }, - "http.resUncork": { argTypes: [HTTPRES_T], result: VOID }, - "http.resWritableCorked": { argTypes: [HTTPRES_T], result: F64 }, - // The member follow-ups: reqStatusCode's `number | undefined` and - // sockRemoteAddress's `string | undefined` results are shape-checked in - // the special cases in validate.ts (like reqHeader/columns). - /** The server-surface member follow-ups: reqStatusCode answers the - * interned `number | undefined` union (negative = the undefined arm — - * a SERVER request, where Node's statusCode is undefined; every client - * response carries a real status); reqSocket is the underlying - * connection (+1, the same handle net.connect would give); - * sockRemoteAddress answers `string | undefined` (NULL after the fd - * closed, Node's destroyed-socket undefined; a dual-stack accept of an - * IPv4 peer reads "::ffff:a.b.c.d" like Node). reqResume/reqPause/reqDestroy and - * the req error/close listener slots complete the IncomingMessage - * surface portless's client responses use; resDestroy/resOnClose and - * resWriteHeadPairs ([k0,v0,k1,v1,...] — the env.pairs helper's flat - * shape) complete ServerResponse. sockSetTimeout arms the idle - * EVFILT_TIMER ('timeout' fires after ms of inactivity, once per idle - * period, never destroying the socket — Node's semantics). */ - "http.reqStatusCode": { argTypes: [HTTPREQ_T], result: VOID }, - // reqStatusMessage's `string | undefined` is program-interned like - // reqHeader's (the VOID here is the envGet sentinel). - "http.reqStatusMessage": { argTypes: [HTTPREQ_T], result: VOID }, - /** req.rawHeaders — [name, value, name, value, ...] in arrival order, - * names in their ORIGINAL case (Node's shape); a fresh string[] per - * read. reqStatusMessage answers the interned `string | undefined` - * union — the reason phrase on client responses ("" when the status - * line carried none), the undefined arm on server requests (the - * statusCode split). sockDestroyed is socket.destroyed — true once the - * fd is gone (destroy() or full close). */ - "http.reqRawHeaders": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, - /** The `{ ...req.headers }` snapshot feed: [lowercased name, value, - * ...] pairs in arrival order — the interned %headers.snapshot helper - * builds the record over it, exactly the process.envPairs pattern. */ - "http.reqHeaderPairs": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, - /** Every value of one header in arrival order (empty when absent): the - * set-cookie array of a `{ ...req.headers }` snapshot. */ - "http.reqHeaderList": { argTypes: [HTTPREQ_T, STRING], result: arrayOf(STRING) }, - "http.reqRawTrailers": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, - "http.reqTrailerPairs": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, - "net.sockDestroyed": { argTypes: [NETSOCKET_T], result: BOOL }, - /** socket.writable — the write half is open: no end() yet, no FIN sent, - * fd alive (connecting sockets answer true; writes queue). Node's - * stream flag. Borrows; never throws. */ - "net.sockWritable": { argTypes: [NETSOCKET_T], result: BOOL }, - // The 'upgrade' registrations: the callback shapes are program-typed - // ((req, socket, head) and shorter prefixes — the libCall case checks). - /** The 'upgrade' events, both sides (SEMANTICS.md — the WebSocket - * proxying surface): serverOnUpgrade registers (req, socket, head) - * listeners fired INSTEAD of 'request' for Connection: upgrade - * requests (the parser steps aside; the socket is raw; `head` carries - * bytes past the request head; no listener = the socket destroys, - * Node's default). clientOnUpgrade is the client twin: a 101 response - * fires (res, socket, head) INSTEAD of 'response'. */ - "http.serverOnUpgrade": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - /** server.on("connect", ...) — HTTP CONNECT tunneling, the 'upgrade' - * machinery's twin: (req, socket, head) fired INSTEAD of 'request' for - * CONNECT-method requests (no listener = the socket destroys, Node's - * default). The h2 compat server's 'connect' (portless's RFC 8441 - * handler) only ever sees the HTTP/1.1 arm under the allowHTTP1 - * lowering, so a listener whose second parameter is a UNION with a - * netSocket arm takes the socket wrapped at that arm (an emitted - * per-shape adapter — the tags are program data). */ - "http.serverOnConnect": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - "http.clientOnUpgrade": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, - "http.reqSocket": { argTypes: [HTTPREQ_T], result: NETSOCKET_T }, - // reqH2Stream's program-interned Http2Stream | undefined result is - // checked in the special libCall cases in validate.ts. - "http.reqH2Stream": { argTypes: [HTTPREQ_T], result: VOID }, - "http.reqH2StreamOrThrow": { argTypes: [HTTPREQ_T, STRING], result: HTTP2STREAM_T }, - /** req.pipe(dest) — the IncomingMessage body streaming into a - * ServerResponse (the proxy's response leg), a ClientRequest (the - * request-body forward), or a raw socket (the upgrade-rejection leg); - * chunk-for-chunk, natural end ends the destination (Node's pipe - * default; no backpressure — divergence 54's stream model). */ - "http.reqPipeRes": { argTypes: [HTTPREQ_T, HTTPRES_T], result: VOID }, - "http.reqPipeClient": { argTypes: [HTTPREQ_T, HTTPCLIENTREQ_T], result: VOID }, - "http.reqPipeSock": { argTypes: [HTTPREQ_T, NETSOCKET_T], result: VOID }, - "http.reqResume": { argTypes: [HTTPREQ_T], result: VOID }, - "http.reqPause": { argTypes: [HTTPREQ_T], result: VOID }, - "http.reqDestroy": { argTypes: [HTTPREQ_T], result: VOID }, - "http.reqOnError": { argTypes: [HTTPREQ_T, null, BOOL], result: VOID }, - "http.reqOnClose": { - argTypes: [HTTPREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.reqOnAborted": { - argTypes: [HTTPREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.reqHttpVersion": { argTypes: [HTTPREQ_T], result: STRING }, - "http.reqHttpVersionMajor": { argTypes: [HTTPREQ_T], result: F64 }, - "http.reqHttpVersionMinor": { argTypes: [HTTPREQ_T], result: F64 }, - "http.reqAborted": { argTypes: [HTTPREQ_T], result: BOOL }, - "http.reqComplete": { argTypes: [HTTPREQ_T], result: BOOL }, - "http.resDestroy": { argTypes: [HTTPRES_T], result: VOID }, - "http.resOnClose": { - argTypes: [HTTPRES_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.resWriteHeadPairs": { argTypes: [HTTPRES_T, F64, arrayOf(STRING)], result: VOID }, - /** writeHead(status, headers) with a checked-dynamic headers value — - * the runtime OBJ walk (string/number values; other values throw - * Node's invalid-argument TypeError; may throw). */ - "http.resWriteHeadDyn": { argTypes: [HTTPRES_T, F64, DYN], result: VOID }, - "net.sockSetTimeout": { argTypes: [NETSOCKET_T, F64], result: VOID }, - /** setEncoding('utf8') — 'data' delivers strings inside the chunk-encoding window; other real encodings throw the "not supported yet" Error, unknown names throw ERR_UNKNOWN_ENCODING (may throw). */ - "net.sockSetEncoding": { argTypes: [NETSOCKET_T, STRING], result: VOID }, - "http.reqSetEncoding": { argTypes: [HTTPREQ_T, STRING], result: VOID }, - "net.sockOnTimeout": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "net.sockRemoteAddress": { argTypes: [NETSOCKET_T], result: VOID }, - /** socket.encrypted — `boolean | undefined`: the true arm iff the - * socket carries a TLS transport (Node types `encrypted: true` on - * TLSSocket; plain sockets answer undefined — the proxy.ts isEncrypted - * idiom reads it through a cast). */ - "net.sockEncrypted": { argTypes: [NETSOCKET_T], result: VOID }, - // node:http, the client slice. The response callback shapes are - // program-dependent (checked by validate.ts); header pairs arrive flat. - /** node:http, the CLIENT slice (http.request/http.get over the net - * client machinery): request/requestCb take (host, port, path, method, - * timeoutMs, headerPairs, autoEnd[, responseCb]) — headerPairs is the - * flat [k0,v0,...] array (empty for none), autoEnd true is http.get's - * eager end(). The handle owns one dialed connection (NO pooling — the - * wire still carries Node's exact head: user headers, then Host, - * Connection: keep-alive, and the framing header; the socket closes - * when the response completes). The response delivered to responseCb / - * 'response' listeners IS an httpReq (IncomingMessage), status and - * headers parsed from the wire, body via reqOnData/reqOnEnd. Errors are - * Node-shaped ('connect ECONNREFUSED ip:port', 'socket hang up') and - * fire 'error' then 'close'; an unhandled 'error' exits 1 like every - * net handle. clientWrite before end commits to chunked framing unless - * the caller set content-length; clientEnd(data) before any write sends - * Content-Length exactly like Node. */ - "http.request": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL], - result: HTTPCLIENTREQ_T, - }, - "http.requestCb": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, null], - result: HTTPCLIENTREQ_T, - }, - /** new http.Agent(opts) / new https.Agent(opts): (secure, keepAlive, - * keepAliveMsecs, maxSockets, maxFreeSockets, timeoutMs, port) — the - * numeric options arrive < 0 for "unset" (Infinity/256/none; port - * seeds the settable defaultPort, Node's option merge). Returns the - * Agent as a checked-dynamic HANDLE (getName/destroy and the - * sockets/requests/freeSockets counters dispatch through the dyn - * handle ops). keepAlive: true THROWS the named construction fence — - * socket POOLING is not modeled (one dial per request); maxSockets - * accounting is real: over-limit requests defer their dial and queue. - * MAY THROW. */ - "http.agentNew": { argTypes: [BOOL, BOOL, F64, F64, F64, F64, F64, DYN], result: DYN }, - /** http.globalAgent / https.globalAgent (true): Node's keepAlive global - * agent, the one requests without an agent option use. */ - "http.globalAgent": { argTypes: [BOOL], result: DYN }, - /** http.request's `signal` option over the fresh request: an aborted - * signal destroys it with Node's AbortError now, a later abort event - * does the same. A falsy value is ignored; a non-signal throws - * ERR_INVALID_ARG_TYPE. */ - "http.clientSignal": { argTypes: [HTTPCLIENTREQ_T, DYN], result: VOID }, - /** options.signal checked before the request is built (ERR_INVALID_ARG_TYPE). */ - "http.clientSignalCheck": { argTypes: [DYN], result: VOID }, - /** https.request's servername option, stored for the construction call - * that follows: the TLS name sent and verified, and part of the pooled - * socket key. The "https." prefix keeps the TLS unit linked. */ - "https.nextServername": { argTypes: [STRING], result: VOID }, - /** The maxHeaderSize option of createServer / http.request: Node's - * validateInteger (ERR_OUT_OF_RANGE) then the header size bound. - * MAY THROW. */ - "http.serverMaxHeaderSize": { argTypes: [NETSERVER_T, F64], result: VOID }, - "http.clientMaxHeaderSize": { argTypes: [HTTPCLIENTREQ_T, F64], result: VOID }, - /** req.destroy(err): err becomes the request's 'error'. */ - "http.clientDestroyError": { - argTypes: [HTTPCLIENTREQ_T, { kind: "object", className: "%Error" }], - result: VOID, - }, - /** The agent-threaded request rows: the http.request/https.request - * shape with a trailing `agent` dyn argument (an Agent handle, false — - * the one-shot Connection: close dial — or null/undefined for the - * default path). port < 0 means "no port option": the agent's settable - * defaultPort, then the scheme's. MAY THROW (a non-Agent value is - * Node's ERR_INVALID_ARG_TYPE). */ - "http.requestAgent": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, DYN], - result: HTTPCLIENTREQ_T, - }, - "http.requestAgentCb": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, DYN, null], - result: HTTPCLIENTREQ_T, - }, - /** request/get with a URL-STRING first argument: the runtime parses it - * (WHATWG) and dials — throws catchably on an unparsable input or a - * non-http scheme. */ - "http.requestUrl": { argTypes: [STRING, STRING, BOOL], result: HTTPCLIENTREQ_T }, - "http.requestUrlCb": { argTypes: [STRING, STRING, BOOL, null], result: HTTPCLIENTREQ_T }, - /** request/get with a runtime options record: a RequestOptions - * variable, or a literal that spreads one or sets socketPath. Args - * (options, autoEnd[, cb]). The runtime reads the record in the - * ClientRequest constructor's order (host/port or socketPath, path, - * method, headers, timeout, agent, signal, maxHeaderSize) with Node's - * errors, and documented options it does not implement throw the - * runtime fence. The "https." pair adds the TLS options. MAY THROW. */ - "http.requestDyn": { argTypes: [DYN, BOOL], result: HTTPCLIENTREQ_T }, - "http.requestDynCb": { argTypes: [DYN, BOOL, null], result: HTTPCLIENTREQ_T }, - "https.requestDyn": { argTypes: [DYN, BOOL], result: HTTPCLIENTREQ_T }, - "https.requestDynCb": { argTypes: [DYN, BOOL, null], result: HTTPCLIENTREQ_T }, - /** The paused-mode demux surface (portless's first-byte TLS peek: - * once('readable') + read(1) + unshift + emit('connection')). - * sockOnReadable registers a zero-param listener (a consumer: arrived - * bytes buffer instead of flowing, and EOF announces too); sockRead - * answers `Buffer | null` (exactly n buffered bytes, or null — Node's - * less-than-n answer; n <= 0 drains everything); sockUnshift returns - * bytes to the front of the stream; serverEmitConnection routes a - * socket into another server's protocol layer (a TLS target's - * 'connection' waits for its handshake). */ - "net.sockOnReadable": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, - // sockRead's result is the interned `Buffer | null` union — checked - // specially in validate.ts (the reqHeader/envGet pattern; VOID here is a - // placeholder the special case overrides). - "net.sockRead": { argTypes: [NETSOCKET_T, F64], result: VOID }, - "net.sockUnshift": { argTypes: [NETSOCKET_T, BYTES_U8], result: VOID }, - /** Socket flow control and the compat surface: pause/resume (reads - * gate off/on — kernel backpressure holds paused bytes; resume flows - * and discards sans listeners) and setNoDelay answer the SOCKET (+1, - * Node's chaining); destroySoon ends now and destroys once the FIN - * flushed; bytesWritten counts accepted bytes; readable is true until - * the read half ends. */ - "net.sockPause": { argTypes: [NETSOCKET_T], result: NETSOCKET_T }, - "net.sockResume": { argTypes: [NETSOCKET_T], result: NETSOCKET_T }, - "net.sockSetNoDelay": { argTypes: [NETSOCKET_T, BOOL], result: NETSOCKET_T }, - "net.sockDestroySoon": { argTypes: [NETSOCKET_T], result: VOID }, - /** RST close, answers the socket; throws ERR_INVALID_HANDLE_TYPE on TLS. */ - "net.sockResetAndDestroy": { argTypes: [NETSOCKET_T], result: NETSOCKET_T }, - /** socket.address(): { address, family, port } or {} as a dyn. */ - "net.sockAddress": { argTypes: [NETSOCKET_T], result: DYN }, - "net.sockBytesWritten": { argTypes: [NETSOCKET_T], result: F64 }, - /** remotePort (0), remoteFamily (1), localAddress (2), localPort (3), - * localFamily (4): dyn values, undefined when unknown. */ - "net.sockAddrField": { argTypes: [NETSOCKET_T, F64], result: DYN }, - "net.sockBytesRead": { argTypes: [NETSOCKET_T], result: F64 }, - "net.sockConnecting": { argTypes: [NETSOCKET_T], result: BOOL }, - "net.sockPending": { argTypes: [NETSOCKET_T], result: BOOL }, - "net.sockReadyState": { argTypes: [NETSOCKET_T], result: STRING }, - "net.sockSetKeepAlive": { argTypes: [NETSOCKET_T, BOOL, F64], result: NETSOCKET_T }, - "net.sockOnReady": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - /** Listeners with a parameter, as dyn functions: close(hadError), - * write's cb(err) and end's cb. */ - "net.sockOnCloseDyn": { argTypes: [NETSOCKET_T, DYN, BOOL], result: VOID }, - /** socket.on/once('lookup', listener): the listener (a dyn function) - * gets (err, address, family, host) once per resolved address, or once - * with the lookup error, before the connect. */ - "net.sockOnLookup": { argTypes: [NETSOCKET_T, DYN, BOOL], result: VOID }, - "net.sockOnWriteFlush": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "net.sockOnWriteFlushDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, - "net.sockOnFinishDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, - "net.sockSetTimeoutCb": { - argTypes: [NETSOCKET_T, F64, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "net.isIP": { argTypes: [DYN], result: F64 }, - "net.isIPv4": { argTypes: [DYN], result: BOOL }, - "net.isIPv6": { argTypes: [DYN], result: BOOL }, - "net.serverMaxConnectionsGet": { argTypes: [NETSERVER_T], result: DYN }, - "net.serverMaxConnectionsSet": { argTypes: [NETSERVER_T, DYN], result: VOID }, - "net.serverDropMaxConnectionGet": { argTypes: [NETSERVER_T], result: DYN }, - "net.serverDropMaxConnectionSet": { argTypes: [NETSERVER_T, DYN], result: VOID }, - /** net.SocketAddress and net.BlockList (scr_net.c): the constructors - * take the argument array; the handles are dyn values. */ - "net.socketAddressNew": { argTypes: [DYN], result: DYN }, - "net.socketAddressParse": { argTypes: [DYN], result: DYN }, - "net.isSocketAddress": { argTypes: [DYN], result: BOOL }, - "net.blockListNew": { argTypes: [DYN], result: DYN }, - "net.isBlockList": { argTypes: [DYN], result: BOOL }, - "net.blockListPrivateRanges": { argTypes: [], result: DYN }, - "net.serverOnDrop": { argTypes: [NETSERVER_T, DYN, BOOL], result: VOID }, - "net.serverGetConnections": { argTypes: [NETSERVER_T, DYN], result: VOID }, - "net.sockReadable": { argTypes: [NETSOCKET_T], result: BOOL }, - /** socket.on('finish', cb) / end(cb): fires once when the FIN goes out - * (sweep-deferred, never the registering stack). */ - "net.sockOnFinish": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "net.serverEmitConnection": { argTypes: [NETSERVER_T, NETSOCKET_T], result: VOID }, - // tls/https: cert/key/ca PEM arguments are strings OR Buffers (null = - // both accepted; the emitter passes data+len either way). - /** node:tls + node:https (scr_tls.c over scr_net.c/scr_http.c, with - * the vendored mbedTLS archive — linked only when one of these appears - * on the IR; moduleUsesTls is the switch, and every tls/https libCall - * also counts as net AND http use so both units link and install). - * tls.createServer takes (cert, key[, handler]) — cert/key are PEM - * strings or Buffers (the emitter passes data+len for either); the - * handler is Node's 'secureConnection' (fires post-handshake with a - * socket that behaves exactly like a net socket, the same adapters as - * net.createServer). https.createServer is (cert, key, handler) with - * the http request-handler adapters. https.request/requestCb extend - * the http client row with (…, rejectUnauthorized: bool, ca: PEM - * string/Buffer — "" for none) and default port 443; everything else - * (write/end/destroy/events, the response surface) IS the http client - * surface — the handles are the same kinds. */ - "tls.createServer": { argTypes: [null, null], result: NETSERVER_T }, - "tls.createServerCb": { argTypes: [null, null, null], result: NETSERVER_T }, - /** The SNICallback forms: (cert, key, SNICallback[, handler]). The - * callback is http2.createSecureServerSni's shape, a function or a - * function | undefined union. */ - "tls.createServerSni": { argTypes: [null, null, null], result: NETSERVER_T }, - "tls.createServerSniCb": { argTypes: [null, null, null, null], result: NETSERVER_T }, - // The runtime options records (divergence 66's stance): a dyn options - // value whose members read at runtime; pemDyn extracts a runtime-valued - // cert/key member (arg 1 is the precomposed fence label). - /** RUNTIME options records (the divergence-66 stance): the *Dyn - * creators take a checked-dynamic (dyn) options value whose members - * read at runtime — cert/key extract like the literal path, members - * whose literal forms fence THROW the catchable fence at runtime, and - * undocumented keys drop like Node drops them. tls.pemDyn is the - * literal walk's runtime-valued cert/key extraction: (value, whatLit) - * → PEM bytes (strings/Buffers/one-element arrays of those) or the - * thrown fence. All of them may throw. */ - "tls.pemDyn": { argTypes: [DYN, STRING], result: BYTES_U8 }, - "tls.createServerDyn": { argTypes: [DYN], result: NETSERVER_T }, - "tls.createServerDynCb": { argTypes: [DYN, null], result: NETSERVER_T }, - "https.createServerDyn": { argTypes: [DYN], result: NETSERVER_T }, - "https.createServerDynCb": { argTypes: [DYN, null], result: NETSERVER_T }, - /** createSecureServer(options, handler) — the eager COMPAT handler as - * the first 'request' listener (Node's exact route), on both literal - * flavors: Req is the dual ALPN allowHTTP1 server, H2Req the ALPN=h2-only - * server (both use compat handles over h2 streams). Args are - * (cert, key, cb, enableConnectProtocol). */ - "http2.createSecureServerReq": { argTypes: [null, null, null, BOOL], result: NETSERVER_T }, - "http2.createSecureServerH2Req": { argTypes: [null, null, null, BOOL], result: NETSERVER_T }, - /** createSecureServer with a RUNTIME options record (the divergence-66 - * stance): allowHTTP1/cert/key read at runtime — allowHTTP1 picks the - * flavor, the TLS server walk fences its out-of-bounds members with - * the catchable runtime fence, and h2 session-tuning keys drop exactly - * like the literal walk ignores them. May throw. The Cb form carries - * the eager compat handler. */ - "http2.createSecureServerDyn": { argTypes: [DYN], result: NETSERVER_T }, - "http2.createSecureServerDynCb": { argTypes: [DYN, null], result: NETSERVER_T }, - // tls.connect(port, host, opts[, cb]) — port -1 / host "" read the - // options record; the callback fires post-handshake (secureConnect). - /** tls.connect — the TLS client socket: (port, host, opts[, cb]) where - * port -1 reads options.port, host "" reads options.host, and opts is - * the runtime (dyn) options record (rejectUnauthorized/ca/servername - * implemented; other documented members throw the runtime fence). The - * callback fires post-handshake — Node's secureConnect timing. */ - "tls.connect": { argTypes: [F64, STRING, DYN], result: NETSOCKET_T }, - "tls.connectCb": { argTypes: [F64, STRING, DYN, null], result: NETSOCKET_T }, - // The TLSSocket member surface (authError's `string | null` union is - // shape-checked in the special cases in validate.ts — the reqHeader pattern). - /** The TLSSocket member surface on the socket kind: authorized (bool — - * Node's verify verdict), authorizationError (the verify-failure CODE - * STRING or null), the 'secureConnect' registration (a TLS socket's - * conn list fires at establishment; plain sockets never fire it), and - * the 'session' registration (fires once with the serialized session — - * a Buffer; the received-ticket event). */ - "tls.sockAuthorized": { argTypes: [NETSOCKET_T], result: BOOL }, - /** getProtocol() (string | null), getCipher() (CipherNameAndProtocol, - * undefined before the handshake, null after close) and alpnProtocol - * (string | false | null), as dyn values. */ - "tls.sockGetProtocol": { argTypes: [NETSOCKET_T], result: DYN }, - "tls.sockGetCipher": { argTypes: [NETSOCKET_T], result: DYN }, - "tls.sockAlpnProtocol": { argTypes: [NETSOCKET_T], result: DYN }, - /** getPeerCertificate(detailed) and getCertificate() (the legacy object, - * {} or null; scr_tls_x509.c), and the DER behind getPeerX509Certificate() - * and getX509Certificate() (a Buffer, empty without a certificate). */ - "tls.sockGetPeerCertificate": { argTypes: [NETSOCKET_T, DYN], result: DYN }, - "tls.sockGetCertificate": { argTypes: [NETSOCKET_T], result: DYN }, - "tls.sockPeerCertDer": { argTypes: [NETSOCKET_T], result: BYTES_U8 }, - "tls.sockOwnCertDer": { argTypes: [NETSOCKET_T], result: BYTES_U8 }, - "tls.sockAuthError": { argTypes: [NETSOCKET_T], result: VOID }, - "tls.sockOnSecureConnect": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "tls.sockOnSession": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, - /** The 'secure' event: the handshake completed (after secureConnect on - * a client). Plain sockets never fire it. */ - "tls.sockOnSecure": { - argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - /** new tls.TLSSocket(socket, options) in server mode: a new TLS socket - * takes over the socket's connection (wrapSocketCtx passes a literal's - * secureContext member apart from the runtime options record). The - * record reads at runtime: isServer, cert, key, ALPNProtocols, - * minVersion and maxVersion are implemented, the client mode and other - * documented members throw the runtime fence. MAY THROW. */ - "tls.wrapSocket": { argTypes: [NETSOCKET_T, DYN], result: NETSOCKET_T }, - "tls.wrapSocketCtx": { argTypes: [NETSOCKET_T, DYN, SECURECTX_T], result: NETSOCKET_T }, - // createSecureContext({ cert, key }) mints the opaque SNI-answer handle. - /** tls.createSecureContext({ cert, key }) — parses the PEM pair into an - * opaque SecureContext handle (secureCtx kind) for SNI callbacks to - * answer with; cert/key are PEM strings or Buffers like createServer's. */ - "tls.createSecureContext": { argTypes: [null, null], result: SECURECTX_T }, - /** createSecureContext over a RUNTIME options record (the checked- - * dynamic lane): Node's typed option validations first (the ciphers/ - * passphrase/engine/version/timeout/ticketKeys ladders), then the pem - * walk — a validated { cert, key } bag builds the real context. - * May-throw. */ - "tls.createSecureContextDyn": { argTypes: [DYN], result: SECURECTX_T }, - /** server.addContext(servername, options | SecureContext), - * server.setSecureContext(options) and the 'tlsClientError' listener of - * a tls or https server (scr_tls.c). */ - "tls.serverAddContext": { argTypes: [NETSERVER_T, DYN, DYN], result: VOID }, - "tls.serverAddContextCtx": { argTypes: [NETSERVER_T, DYN, SECURECTX_T], result: VOID }, - "tls.serverSetSecureContext": { argTypes: [NETSERVER_T, DYN], result: VOID }, - "tls.serverOnClientError": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - /** tls.getCACertificates(type): validateString + the documented name - * set, then the trailing compiler-rendered fence — ALWAYS THROWS (the - * error.nodeThrow polymorphic-result carve-out). May-throw seed. */ - "tls.caCertsChk": { argTypes: [DYN, STRING], result: VOID }, - // The CA-store introspection unit (scr_tls_ca.c): per-type cached PEM - // string arrays and the default-set replacement. - /** The CA-store introspection surface (scr_tls_ca.c — its own unit and - * link gate, "tlsca." NOT "tls.", so a getCACertificates-only binary - * never pulls mbedTLS): tlsca.get is tls.getCACertificates(type) — the - * cached per-type string[] of PEM blocks (identity-stable across calls, - * Node's caching; an unknown type throws Node's ERR_INVALID_ARG_VALUE - * TypeError); tlsca.root is the tls.rootCertificates value read; - * tlsca.set is tls.setDefaultCACertificates(certs) — replaces the - * default set (deduped) and the anchors the TLS client verifies - * against, throwing Node's ERR_CRYPTO_OPERATION_FAILED when no entry - * carries a certificate block. */ - "tlsca.get": { argTypes: [STRING], result: arrayOf(STRING) }, - "tlsca.root": { argTypes: [], result: arrayOf(STRING) }, - "tlsca.set": { argTypes: [arrayOf(STRING)], result: VOID }, - "https.createServer": { argTypes: [null, null, null], result: NETSERVER_T }, - // http2's allowHTTP1 compatibility server (divergence 57): cert/key - // like tls.createServer; the 'request' handler arrives separately via - // http.serverOnRequest (shape checked in the libCall case, like - // http.createServer's). sessionError callback shape is checked by validate.ts. - /** node:http2 allowHTTP1: one TLS server advertises h2 + http/1.1 and - * dispatches to the matching parser after ALPN. Request listeners mirror - * into both compatibility lists; the remaining session/req.stream rows - * below retain their explicitly limited behavior. */ - "http2.createSecureServer": { argTypes: [null, null, BOOL], result: NETSERVER_T }, - // The SNI-callback form: arg 2 is the JS SNICallback closure — a - // `(servername, cb) => void` func, or its `| undefined` union from the - // conditional-spread spelling (the libCall case checks the shape). - /** createSecureServer with an SNI callback: args are (cert, key, sniCb) - * where sniCb is the JS SNICallback — a `(servername, cb) => void` - * closure, or the `SNICallback | undefined` union from the conditional- - * spread spelling (`...(x ? { SNICallback: x } : {})`; the emitter - * unwraps the union — the undefined arm means "no callback", exactly - * the no-SNI server). The runtime parses each connection's ClientHello - * for the server_name extension BEFORE the TLS handshake begins, calls - * the callback with (servername, answer-closure), and resumes the - * handshake when the answer arrives — cb(err) tears the socket down - * without an error event (Node's 'tlsClientError' default), cb(null, ctx) serves - * ctx's cert/key, cb(null, undefined) serves the default pair. */ - "http2.createSecureServerSni": { argTypes: [null, null, null, BOOL], result: NETSERVER_T }, - // The ALPN=h2 server (createSecureServer without allowHTTP1): the real - // h2 session machinery behind the TLS handshake. - /** The REAL h2-over-TLS server (createSecureServer WITHOUT allowHTTP1): - * scr_http2_create_secure_server — the h2c session machinery behind an - * mbedTLS handshake whose ALPN advertises h2 alone (an http/1.1-only - * client fails the handshake with no_application_protocol, Node's - * h2-only split). args are (cert, key) — PEM strings or Buffers. */ - "http2.createSecureServerH2": { argTypes: [null, null, BOOL], result: NETSERVER_T }, - "http.serverOnRequest": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - /** server.on('checkContinue' | 'checkExpectation', (req, res)): the - * 'request' listener shape; the last argument picks checkExpectation. */ - "http.serverOnCheck": { argTypes: [NETSERVER_T, null, BOOL, BOOL], result: VOID }, - "http2.serverOnSessionError": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - /** The guarded absent-session compatibility call remains a no-op. */ - "http2.streamNoop": { argTypes: [], result: VOID }, - /** The UNGUARDED h2-only stream call (`req.stream.on(...)`): stream is - * undefined on every connection the allowHTTP1 lowering accepts — and - * on every HTTP/1.1 connection of Node's own allowHTTP1 server — so the - * call IS Node's member read on undefined: throws the exact catchable - * TypeError ("Cannot read properties of undefined (reading 'on')"). - * One arg: the read member's name (a string literal). Never returns. */ - "http2.streamUndefCall": { argTypes: [STRING], result: VOID }, - // The REAL h2c surface (scr_http2.c). Callback slots are null (the - // emitter picks the thunk); pairs slots are string arrays; the - // endStream tri-state and event flags ride as f64. - /** node:http2, the REAL h2c surface (scr_http2.c — frame codec + HPACK - * over the net loop; the design note atop that file has the story). - * Sessions and streams are first-class handle kinds; 'stream'/'response' - * payloads cross as flat [name, value, ...] pairs arrays and an EMITTED - * adapter closure builds the program-side headers record (the response - * :status rides separately as a number). */ - "http2.createServer": { argTypes: [], result: NETSERVER_T }, - "http2.createServerReq": { argTypes: [null], result: NETSERVER_T }, - "http2.serverOnStream": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - "http2.serverOnSession": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, - // connect(authority, reject, ca[, cb]): the TLS client knobs an https - // authority reads (inert on http ones, exactly Node); ca is a PEM - // string/Buffer ("" = the system anchors). - /** connect(authority[, listener]) — h2c prior knowledge; the listener - * closure (if any) is the 'connect' once-listener. */ - "http2.connect": { argTypes: [STRING, BOOL, null], result: HTTP2SESSION_T }, - "http2.connectCb": { argTypes: [STRING, BOOL, null, null], result: HTTP2SESSION_T }, - /** session.request(pairs?, endStream) — endStream is a tri-state f64: - * -1 the method's payload-meaningless default, 0/1 explicit. */ - "http2.sessionRequest": { - argTypes: [HTTP2SESSION_T, arrayOf(STRING), F64], - result: HTTP2STREAM_T, - }, - "http2.sessionClose": { argTypes: [HTTP2SESSION_T], result: VOID }, - "http2.sessionCloseCb": { argTypes: [HTTP2SESSION_T, null], result: VOID }, - "http2.sessionDestroy": { argTypes: [HTTP2SESSION_T], result: VOID }, - "http2.sessionOnClose": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, - "http2.sessionOnError": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, - "http2.sessionOnConnect": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, - "http2.sessionOnStream": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, - "http2.sessionOnGoaway": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, - "http2.sessionClosed": { argTypes: [HTTP2SESSION_T], result: BOOL }, - "http2.sessionDestroyed": { argTypes: [HTTP2SESSION_T], result: BOOL }, - "http2.sessionEncrypted": { argTypes: [HTTP2SESSION_T], result: BOOL }, - "http2.sessionType": { argTypes: [HTTP2SESSION_T], result: F64 }, - "http2.sessionAlpn": { argTypes: [HTTP2SESSION_T], result: STRING }, - "http2.sessionSocket": { argTypes: [HTTP2SESSION_T], result: NETSOCKET_T }, - /** stream.respond(pairs?, endStream) — the server answer. */ - "http2.streamRespond": { argTypes: [HTTP2STREAM_T, arrayOf(STRING), BOOL], result: VOID }, - "http2.streamWrite": { argTypes: [HTTP2STREAM_T, STRING], result: VOID }, - "http2.streamWriteBytes": { argTypes: [HTTP2STREAM_T, BYTES_U8], result: VOID }, - "http2.streamEnd": { argTypes: [HTTP2STREAM_T], result: VOID }, - "http2.streamEndStr": { argTypes: [HTTP2STREAM_T, STRING], result: VOID }, - "http2.streamEndBytes": { argTypes: [HTTP2STREAM_T, BYTES_U8], result: VOID }, - "http2.streamClose": { argTypes: [HTTP2STREAM_T, F64], result: VOID }, - "http2.streamCloseCb": { argTypes: [HTTP2STREAM_T, F64, null], result: VOID }, - "http2.streamDestroy": { argTypes: [HTTP2STREAM_T], result: VOID }, - "http2.sessionSettings0": { argTypes: [HTTP2SESSION_T], result: VOID }, - "http2.sessionSettings": { argTypes: [HTTP2SESSION_T, DYN], result: VOID }, - "http2.sessionSettingsDynCb": { argTypes: [HTTP2SESSION_T, DYN, DYN], result: VOID }, - "http2.sessionSettingsCb0": { - argTypes: [HTTP2SESSION_T, DYN, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "http2.sessionOnSettingsDyn": { argTypes: [HTTP2SESSION_T, DYN, BOOL, BOOL], result: VOID }, - "http2.sessionOnSettings0": { - argTypes: [HTTP2SESSION_T, { kind: "func", params: [], ret: VOID }, BOOL, BOOL], - result: VOID, - }, - "http2.sessionSettingsGet": { argTypes: [HTTP2SESSION_T, BOOL], result: DYN }, - "http2.sessionPendingSettingsAck": { argTypes: [HTTP2SESSION_T], result: BOOL }, - "http2.getDefaultSettings": { argTypes: [], result: DYN }, - "http2.streamSetEncoding": { argTypes: [HTTP2STREAM_T, STRING], result: VOID }, - "http2.streamSetEncodingRet": { argTypes: [HTTP2STREAM_T, STRING], result: HTTP2STREAM_T }, - "http2.streamResume": { argTypes: [HTTP2STREAM_T], result: VOID }, - "http2.streamPause": { argTypes: [HTTP2STREAM_T], result: VOID }, - "http2.streamOnData": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, - "http2.streamOnEnd": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, - "http2.streamOnClose": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, - "http2.streamOnAborted": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, - "http2.streamOnError": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, - "http2.streamOnResponse": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, - "http2.streamId": { argTypes: [HTTP2STREAM_T], result: F64 }, - "http2.streamRstCode": { argTypes: [HTTP2STREAM_T], result: F64 }, - "http2.streamDestroyed": { argTypes: [HTTP2STREAM_T], result: BOOL }, - "http2.streamClosed": { argTypes: [HTTP2STREAM_T], result: BOOL }, - "http2.streamAborted": { argTypes: [HTTP2STREAM_T], result: BOOL }, - "http2.streamPending": { argTypes: [HTTP2STREAM_T], result: BOOL }, - "http2.streamSession": { argTypes: [HTTP2STREAM_T], result: HTTP2SESSION_T }, - // The createConnection forms: arg 0 is the dialer closure (() => - // Socket — the libCall case checks), then path/method/timeout/headers/ - // autoEnd like http.request. - /** The createConnection form (the proxy's own dialer): args are - * (connCb, path, method, timeout, headers, autoEnd[, cb]) — connCb is - * a `() => net.Socket` closure the runtime invokes ONCE, synchronously - * (Node's onSocket timing); everything else matches http.request. The - * Host header defaults to "localhost" — a headers.host entry wins - * verbatim, the proxy shape. */ - "http.requestConn": { - argTypes: [null, STRING, STRING, F64, arrayOf(STRING), BOOL], - result: HTTPCLIENTREQ_T, - }, - "http.requestConnCb": { - argTypes: [null, STRING, STRING, F64, arrayOf(STRING), BOOL, null], - result: HTTPCLIENTREQ_T, - }, - "https.request": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null], - result: HTTPCLIENTREQ_T, - }, - "https.requestCb": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, null], - result: HTTPCLIENTREQ_T, - }, - /** The URL-string first argument, the http.requestUrl row over TLS: - * no options means Node's defaults (verification on, default trust - * anchors), and a non-https scheme is ERR_INVALID_PROTOCOL. */ - "https.requestUrl": { argTypes: [STRING, STRING, BOOL], result: HTTPCLIENTREQ_T }, - "https.requestUrlCb": { argTypes: [STRING, STRING, BOOL, null], result: HTTPCLIENTREQ_T }, - "https.requestAgent": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, DYN], - result: HTTPCLIENTREQ_T, - }, - "https.requestAgentCb": { - argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, DYN, null], - result: HTTPCLIENTREQ_T, - }, - // The requestFn binding's runtime-secure rows: https.request's shape - // with the leading `secure` bool. - /** A call through a `const requestFn = tls ? https.request : - * http.request` binding — the module-function-as-value ternary between - * the two known clients: the https.request row with a leading `secure` - * bool that picks the dial at RUNTIME (true = the TLS client, exactly - * https.request; false = the plain client, exactly http.request — - * rejectUnauthorized/ca ignored there like Node ignores TLS options on - * http.request). The "https." prefix keeps the TLS unit linked. */ - "https.requestFn": { - argTypes: [BOOL, STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null], - result: HTTPCLIENTREQ_T, - }, - "https.requestFnCb": { - argTypes: [BOOL, STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, null], - result: HTTPCLIENTREQ_T, - }, - "http.clientWrite": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, - "http.clientSetHeader": { argTypes: [HTTPCLIENTREQ_T, STRING, STRING], result: VOID }, - "http.clientGetHeader": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, - "http.clientHasHeader": { argTypes: [HTTPCLIENTREQ_T, STRING], result: BOOL }, - "http.clientRemoveHeader": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, - "http.clientGetHeaderNames": { argTypes: [HTTPCLIENTREQ_T], result: arrayOf(STRING) }, - "http.clientGetRawHeaderNames": { argTypes: [HTTPCLIENTREQ_T], result: arrayOf(STRING) }, - "http.clientGetHeaders": { argTypes: [HTTPCLIENTREQ_T], result: DYN }, - "http.clientWriteBytes": { argTypes: [HTTPCLIENTREQ_T, BYTES_U8], result: VOID }, - "http.clientEnd": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, - "http.clientEndStr": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, - "http.clientEndBytes": { argTypes: [HTTPCLIENTREQ_T, BYTES_U8], result: VOID }, - /** The checked-dynamic chunk twins (the net.sockWriteDyn story). */ - "http.clientWriteDyn": { argTypes: [HTTPCLIENTREQ_T, DYN], result: VOID }, - "http.clientEndDyn": { argTypes: [HTTPCLIENTREQ_T, DYN], result: VOID }, - "http.clientFlushHeaders": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, - "http.clientAddTrailers": { argTypes: [HTTPCLIENTREQ_T, arrayOf(STRING)], result: VOID }, - "http.clientCork": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, - "http.clientUncork": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, - "http.clientWritableCorked": { argTypes: [HTTPCLIENTREQ_T], result: F64 }, - "http.clientMethod": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, - "http.clientPath": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, - "http.clientHost": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, - "http.clientProtocol": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, - "http.clientHeadersSent": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, - "http.clientWritableEnded": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, - "http.clientWritableFinished": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, - "http.clientSocket": { argTypes: [HTTPCLIENTREQ_T], result: NETSOCKET_T }, - "http.clientReusedSocket": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, - "http.clientSetNoDelay": { argTypes: [HTTPCLIENTREQ_T, BOOL], result: VOID }, - "http.clientSetSocketKeepAlive": { argTypes: [HTTPCLIENTREQ_T, BOOL, F64], result: VOID }, - "http.clientSetTimeout": { argTypes: [HTTPCLIENTREQ_T, F64], result: VOID }, - "http.clientSetTimeoutCb": { - argTypes: [HTTPCLIENTREQ_T, F64, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "http.statusCodes": { argTypes: [], result: DYN }, - "http.methods": { argTypes: [], result: arrayOf(STRING) }, - "http.reqSetTimeout": { argTypes: [HTTPREQ_T, F64], result: VOID }, - "http.reqSetTimeoutCb": { - argTypes: [HTTPREQ_T, F64, { kind: "func", params: [], ret: VOID }], - result: VOID, - }, - "http.clientDestroy": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, - "http.clientAbort": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, - "http.clientAborted": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, - "http.clientDestroyed": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, - "http.clientOnResponse": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, - "http.clientOnSocket": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, - "http.clientOnFinish": { - argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.clientOnError": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, - "http.clientOnTimeout": { - argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.clientOnClose": { - argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.clientOnAbort": { - argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - "http.clientOnContinue": { - argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], - result: VOID, - }, - /** execFileSync/execSync as ONE entry (args: cmd, argv, shell, input, - * cwd, hasEnv, envPairs, timeoutMs, stdoutMode, stderrMode, buffers — - * see scr_child.h). Throws Node's exact errors: "Command failed: " - * (+ captured stderr) on non-zero exit or signal death, "spawnSync - * ENOENT" on spawn failure, "spawnSync ETIMEDOUT" after - * the SIGTERM timeout, with Node's status, signal, output, pid, stdout - * and stderr properties (Buffer outputs when buffers is set: no - * encoding option). Result is the captured utf8 stdout (+1). */ - "cp.execSync": { - argTypes: [ - STRING, - arrayOf(STRING), - BOOL, - STRING, - BOOL, - STRING, - BOOL, - arrayOf(STRING), - F64, - F64, - F64, - BOOL, - ], - result: STRING, - }, - /** The promisified-execFile/exec capture (args: cmd, argv, shell, cwd, - * hasEnv, envPairs, timeoutMs; shell marks exec's /bin/sh -c argv, as - * for execSync, so failures display the command string): the same exec - * core in the async shape — both streams captured, no echo, Node's ASYNC messages on the throw paths - * ("Command failed: \n" with the unconditional newline, - * "spawn ENOENT" with .code, timeouts reporting as ordinary - * SIGTERM command failures — never ETIMEDOUT). Result reuses the - * ScrSpawnRes container (+1; stdout/stderr strings, status unused). - * Called only from the frontend's interned %execFileAsync and - * %execAsync ASYNC helpers, whose fiber turns the throw into the - * rejection. */ - "cp.execCapture": { - argTypes: [STRING, arrayOf(STRING), BOOL, STRING, BOOL, arrayOf(STRING), F64], - result: SPAWNRES_T, - }, - /** child_process.spawn (scr_child.c + the scr_async.c loop): posix_spawnp - * with per-slot ignore/inherit/pipe modes (and number output fds), the - * all-piped Node default, and the child registered with the event loop, - * which polls waitpid(WNOHANG) at quiescence like timers. - * NEVER throws: spawn failure defers to the "error" event, Node-exact - * (the error message is Node's "spawn "; an "error" - * event with no listener prints it and exits 1 like an EventEmitter). - * cmd/args borrowed; result an owned (+1) child handle. The loop will - * not exhaust while any spawned child is unreaped — Node's keep-alive. - * - * child.onExit / child.onClose / child.onError — terminal listener - * registration through child.on/once. Close uses the exit adapter shape - * but fires only after every piped stdio handle reaches EOF. The - * receiver is borrowed, the CALLBACK MOVES into the child's listener - * registry (released after the terminal event fires, or at reap for - * the event that never fires). Both are void (chaining is fenced). - * onExit's third emitted ingredient is an ADAPTER the backend interns - * per callback shape: the runtime invokes adapter(cb, has_code, code) - * and the adapter builds the `number | null` union (tags are program- - * dependent) or ignores the code for a zero-param callback. onError's - * adapters are runtime-provided (zero-param, or the %Error one-param - * shape — scr_error_new needs no program types). "exit" fires once - * with the code (f64 arm) or null (signal death); "error" fires only - * for spawn failure, exactly Node's split. */ - "cp.spawn": { argTypes: [STRING, arrayOf(STRING)], result: CHILD_T }, - /** Static-native fork startup and IPC. process.forkTarget initializes a - * re-executed child's inherited channel and returns its embedded target id - * (-1 in the parent). The remaining entries mirror Node's JSON channel. */ - "process.forkTarget": { argTypes: [F64], result: F64 }, - "cp.fork": { - argTypes: [F64, arrayOf(STRING), F64, F64, F64, BOOL, arrayOf(STRING), STRING], - result: CHILD_T, - }, - "child.connected": { argTypes: [CHILD_T], result: BOOL }, - "child.hasChannel": { argTypes: [CHILD_T], result: BOOL }, - "child.send": { argTypes: [CHILD_T, STRING], result: BOOL }, - "child.sendCb": { argTypes: [CHILD_T, STRING, null], result: BOOL }, - "child.disconnect": { argTypes: [CHILD_T], result: VOID }, - "child.onMessage": { argTypes: [CHILD_T, null, BOOL], result: VOID }, - "child.onDisconnect": { argTypes: [CHILD_T, null, BOOL], result: VOID }, - "child.onSpawn": { argTypes: [CHILD_T, null], result: VOID }, - /** Rest listeners use the checked function bridge to pack event arguments. */ - "child.onDyn": { argTypes: [CHILD_T, STRING, DYN], result: VOID }, - // Own properties JavaScript adds to children (handle-properties.ts). - "child.propsInstall": { argTypes: [], result: VOID }, - "child.propsDefine": { argTypes: [DYN, DYN, DYN], result: DYN }, - "child.propsDescriptor": { argTypes: [DYN, DYN], result: DYN }, - "child.propsResolve": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "child.propsOnDyn": { argTypes: [CHILD_T, STRING, DYN], result: VOID }, - "process.connected": { argTypes: [], result: BOOL }, - /** Whether this fork child opened its channel; part of process.send's - * presence in programs with fork targets. Never throws. */ - "process.ipcOpen": { argTypes: [], result: BOOL }, - "process.send": { argTypes: [STRING], result: BOOL }, - "process.sendCb": { argTypes: [STRING, null], result: BOOL }, - "process.disconnect": { argTypes: [], result: VOID }, - "process.onMessage": { argTypes: [null, BOOL], result: VOID }, - "process.onDisconnect": { argTypes: [null, BOOL], result: VOID }, - /** child_process.execFile's callback slice: starts an all-piped child, - * captures stdout/stderr, and moves the error-first callback into the - * child registry. The callback shape is program-dependent and checked - * by the validator/backends. The last argument is exec's shell flag: - * the argv is ["-c", command] and failure messages show the command. */ - "cp.execFile": { argTypes: [STRING, arrayOf(STRING), null, BOOL], result: CHILD_T }, - // spawn's options form: per-slot stdio modes (0 ignore / 1 inherit / - // 2 fd) with the out/err fds for mode 2, detached, env replacement - // pairs, cwd ("" = inherit). - /** spawn with options (scr_child.c): the cp.spawn core plus PER-SLOT - * stdio — args are (cmd, argv, inMode, outMode, errMode, outFd, errFd, - * detached, hasEnv, envPairs, cwd); modes 0 ignore (/dev/null), 1 - * inherit, 2 fd (out/err only — the fd dup2s into the child's slot, - * Node's stdio fd form; the daemon-log idiom ["ignore", logFd, logFd]). - * detached is POSIX_SPAWN_SETSID (the child gets its own session and - * process group, Node's semantics), env is a REPLACEMENT ([k,v,...] - * pairs like cp.execSync's), cwd ""=inherit. Same event/loop story as - * cp.spawn. */ - "cp.spawnOpts": { - argTypes: [ - STRING, - arrayOf(STRING), - F64, - F64, - F64, - F64, - F64, - BOOL, - BOOL, - BOOL, - arrayOf(STRING), - STRING, - ], - result: CHILD_T, - }, - /** Runtime options normalized into the native spawn core; unsupported - * process features retain explicit refusals. (command, args, options). */ - "cp.spawnDynamic": { argTypes: [STRING, arrayOf(STRING), DYN], result: CHILD_T }, - // The callback's func type is program-dependent (zero params, or the - // `number | null` union / the %Error class) — the libCall case checks - // the shape; the slot here only pins arity and the child receiver. - "child.onExit": { argTypes: [CHILD_T, null], result: VOID }, - "child.onClose": { argTypes: [CHILD_T, null], result: VOID }, - "child.onError": { argTypes: [CHILD_T, null], result: VOID }, - // Like process.envGet, spawnRes.status's result type is program-dependent - // (the interned `number | null` union) — the libCall case checks the arms. - "spawnRes.status": { argTypes: [SPAWNRES_T], result: VOID }, - // spawnRes.error's result is the interned `Error | undefined` union — - // the libCall case checks the arms, the spawnRes.status pattern. - /** Node's spawn-failure carrier `error?: Error`: a fresh +1 %Error - * ("spawnSync ENOENT", `code` stamped) when the spawn itself - * failed, the interned undefined arm otherwise — the result type is the - * call site's `Error | undefined` union, constructed type-directedly in - * the backend (the envGet convention). Never throws. */ - "spawnRes.error": { argTypes: [SPAWNRES_T], result: VOID }, - // spawnRes.signal's result is the interned `string | null` union — - // same pattern. - "spawnRes.signal": { argTypes: [SPAWNRES_T], result: VOID }, - // The ChildProcess lifecycle members: pid/exitCode are program-dependent - // unions (`number | undefined` / `number | null` — the libCall case - // checks the arms, the spawnRes.status pattern). - /** The ChildProcess lifecycle members (scr_child.c), Node's shapes - * exactly (SEMANTICS.md has the pinned matrix). child.pid is the - * checker's `number | undefined` (undefined = spawn failure) and - * child.exitCode its `number | null` (null while running and after a - * signal death; -errno once a spawn failure settled) — both unions are - * type-directed constructions in the backend over a has/get runtime - * pair, the spawnRes.status pattern. child.killed is Node's - * sent-a-signal flag. child.kill sends while the child is un-reaped - * (false after — Node's null-handle answer) and THROWS the - * Unknown-signal TypeError on bad names (may-throw); killNum passes - * numbers through (0 probes; never throws). child.unref drops the - * child from the loop's keep-alive set — it is still reaped while the - * loop runs for other reasons, and one the loop never reaps is left to - * the OS at exit. All receivers borrowed. */ - "child.pid": { argTypes: [CHILD_T], result: VOID }, - "child.exitCode": { argTypes: [CHILD_T], result: VOID }, - // The close-override pair: the bound close's result func type and the - // override's func argument are program-dependent (the callback union's - // tags) — the slots pin the server receiver; the libCall case checks - // the bound value's shape. - /** The close-override pair (the portless close-proxy idiom). - * serverCloseBind is `wrapper.close.bind(wrapper)` as a VALUE: a - * compiler-emitted closure over the server whose invocation runs the - * REAL close (scr_net_server_close_direct — never the override), so - * the override body's `origClose(cb)` cannot recurse; its callback - * argument (the `((err?: Error) => void) | undefined` union) registers - * as a once-'close' listener, a one-param callback wrapped by an - * emitted zero-arg trampoline firing the undefined arm (a clean close - * carries no error). serverSetCloseOverride is `wrapper.close = fn`: - * the override MOVES in behind an emitted zero-arg wrapper (it invokes - * the user function with the undefined-arm callback — tags are program - * data), and server.close() consults it before closing. */ - "net.serverCloseBind": { argTypes: [NETSERVER_T], result: VOID }, - "net.serverSetCloseOverride": { argTypes: [NETSERVER_T, null], result: VOID }, - // The piped-output stream reads: `Readable | null` unions (the libCall - // case checks the arms — the child.pid pattern with a ref arm). - /** The piped-output streams (stdio mode 3 — scr_child.c's stream - * slice). child.stdout/child.stderr answer the checker's - * `Readable | null` union (type-directed construction in the backend - * over the +1-or-NULL runtime pair — the child.pid pattern with a ref - * arm). stream.onData/onEnd register 'data'/'end' listeners (receiver - * borrowed, CALLBACK MOVES, trailing once-flag, void — chaining - * fenced): 'data' fires one Buffer chunk per read (zero-param and - * Buffer/string adapters are runtime-provided; setEncoding threads - * split multibyte sequences through the shared StringDecoder core. A - * union-param listener — - * ngrok's `Buffer | string` — gets a compiler-emitted adapter wrapping - * the chunk at its Buffer arm), 'end' fires once at EOF, always BEFORE - * the child's 'exit' (the pinned ordering). A flowing stream keeps the - * loop alive: usesTimers. */ - "child.stdout": { argTypes: [CHILD_T], result: VOID }, - "child.stderr": { argTypes: [CHILD_T], result: VOID }, - /** The piped-input writer (stdio mode 3 on fd 0). child.stdin answers - * `Writable | null`; writes copy borrowed data into the nonblocking - * queue, end/destroy settle it, writable is a pure state read, and - * listener callbacks move into the writer registry. */ - "child.stdin": { argTypes: [CHILD_T], result: VOID }, - /** Under the general stream representation (general-streams.ts), a - * stdio read (slot 0, 1 or 2) answers the child's bridged runtime stream - * — `Writable | null` for stdin, `Readable | null` otherwise; the bridge - * throws when the program lacks the stream unit's boxing helpers. */ - "child.stdioStream": { argTypes: [CHILD_T, F64], result: VOID }, - // Listener registrations: callback func shapes are program-dependent - // (zero-param / Buffer / string / unknown / Buffer-armed union) — the slots pin arity, - // the stream receiver, and the once-flag. - "stream.onData": { argTypes: [CHILDSTREAM_T, null, BOOL], result: VOID }, - "stream.onDataStr": { argTypes: [CHILDSTREAM_T, null, BOOL], result: VOID }, - "stream.onEnd": { argTypes: [CHILDSTREAM_T, null, BOOL], result: VOID }, - "stream.childSetEncoding": { argTypes: [CHILDSTREAM_T, STRING], result: CHILDSTREAM_T }, - "writer.writeString": { argTypes: [CHILDWRITER_T, STRING], result: BOOL }, - "writer.writeBytes": { argTypes: [CHILDWRITER_T, BYTES_U8], result: BOOL }, - "writer.end": { argTypes: [CHILDWRITER_T], result: VOID }, - "writer.destroy": { argTypes: [CHILDWRITER_T], result: VOID }, - "writer.writable": { argTypes: [CHILDWRITER_T], result: BOOL }, - "writer.onDrain": { argTypes: [CHILDWRITER_T, null, BOOL], result: VOID }, - "writer.onFinish": { argTypes: [CHILDWRITER_T, null, BOOL], result: VOID }, - "writer.onError": { argTypes: [CHILDWRITER_T, null, BOOL], result: VOID }, - /** The first-class WritableStream write (`output.write(line)` — the - * prefixStream idiom): the receiver IS the fd scalar (process.stdout/ - * stderr reads mint 1/2), dispatched onto the exact stdoutWrite/ - * stderrWrite paths so buffering and ordering stay identical. Data - * borrowed; the bool is Node's always-true backpressure signal. */ - "procStream.write": { argTypes: [PROCSTREAM_T, STRING], result: BOOL }, - /** process.stdout/stderr flowing into a runtime Writable slot under the - * general stream representation: an fd-backed Writable (+1) whose - * writes take process.stdout.write's synchronous path. */ - /** A pipeline() stage that is a checked-dynamic value: a boxed native - * stream unwraps by identity (+1); anything else throws the given - * not-supported message. Typed as a Duplex so every stage position - * accepts it; the runtime pipeline checks the stream's real sides. */ - "stream.unboxDyn": { - argTypes: [DYN, STRING], - result: { kind: "object", className: "%Duplex" }, - }, - /** Whether pipeline() pumps a checked-dynamic first stage as an - * iterable (a string, or a value with an iterator method that is not a - * stream with pipe() and on()) instead of piping it as a stream. */ - "stream.dynIterableSource": { argTypes: [DYN], result: BOOL }, - /** The Transform a Cipheriv or Decipheriv reads and writes as a stream - * (+1, created on first use and owned by the cipher). */ - "stream.handleStream": { - argTypes: [DYN], - result: { kind: "object", className: "%Transform" }, - }, - /** Checked-dynamic stream slots (dyn-streams.ts): the native stream a - * checked-dynamic value boxes (+1) — a runtime stream with the readable - * (1) or writable (2) side — or null for any other value. Never throws; - * the result union is `%Readable | null` or `%Writable | null`. */ - "stream.dynNative": { argTypes: [DYN, F64], result: VOID }, - /** stream.dynNative for a pipe or unpipe destination: also a - * constructor-function stream's runtime stream, in programs that link - * that unit, unless it overrides write() or end(). */ - "stream.dynNativePipe": { argTypes: [DYN, F64], result: VOID }, - /** readable.pipe(destination, end) into a checked-dynamic destination - * that is not a native stream: [source, the source boxed, destination, - * end]. Node's pipe listener protocol over the destination's members - * (scr_stream_dyn.c); throws what those members throw. */ - "stream.pipeDyn": { argTypes: [null, DYN, DYN, BOOL], result: VOID }, - /** readable.unpipe(destination) for a checked-dynamic destination that - * is not a native stream: [source, destination]. Unpipes the pipe - * stream.pipeDyn registered into it, if any (scr_stream_dyn.c). */ - "stream.unpipeDyn": { argTypes: [null, DYN], result: VOID }, - "stream.stdioWritable": { - argTypes: [PROCSTREAM_T], - result: { kind: "object", className: "%Writable" }, - }, - "child.killed": { argTypes: [CHILD_T], result: BOOL }, - "child.kill": { argTypes: [CHILD_T, STRING], result: BOOL }, - "child.killNum": { argTypes: [CHILD_T, F64], result: BOOL }, - "child.unref": { argTypes: [CHILD_T], result: VOID }, - "child.ref": { argTypes: [CHILD_T], result: VOID }, - "spawnRes.stdout": { argTypes: [SPAWNRES_T], result: STRING }, - "spawnRes.stderr": { argTypes: [SPAWNRES_T], result: STRING }, - /** fs/promises (scr_lib.c over scr_async.c's settled minting): the SAME - * sync syscalls, wrapped in an ALREADY-SETTLED promise — failure - * REJECTS (catchable at the await) instead of throwing, so none of - * these are in the may-throw seed. readFile is utf8-fenced like - * readFileSync. The non-interleaving divergence is documented in - * SEMANTICS.md. */ - /** node:crypto randomness: randomUUID plus randomBytes as either a real - * Buffer or the fused randomBytes(n).toString("hex"|"base64") path. - * The size-taking forms throw Node's RangeError on invalid values. */ - "crypto.randomUUID": { argTypes: [], result: STRING }, - "crypto.randomBytesToString": { argTypes: [F64, STRING], result: STRING }, - /** crypto.randomBytes(n) → a real u8 Buffer (+1). THROWS Node's - * RangeError on out-of-range sizes, exactly like the composed - * randomBytesToString (which keeps its one-libCall lowering — the two - * coexist: the composed form never materializes the Buffer). */ - "crypto.randomBytes": { argTypes: [F64], result: BYTES_U8 }, - /** The fused createHash(alg).update(data).digest(enc) fast path and the - * one-shot crypto.hash implementation. First-class Hash/Hmac handles use - * the entries below; all paths share the incremental runtime core. */ - "crypto.hashDigestStr": { argTypes: [STRING, STRING, STRING], result: STRING }, - "crypto.hashDigestBytes": { argTypes: [STRING, BYTES_U8, STRING], result: STRING }, - /** First-class static Hash/Hmac handles. Constructors validate the - * runtime algorithm string (every digest Node 24 lists); update returns the same - * handle by retained identity, copy snapshots Hash state, and digest - * finalizes the handle and returns either a Buffer or encoded string. */ - "crypto.native": { argTypes: [], result: DYN }, - "crypto.hashNew": { argTypes: [STRING], result: CRYPTOHASH_T }, - /** The Transform a Hash or Hmac reads and writes as a stream (+1, - * created on first use and owned by the value; scr_stream.c). The Piped - * form, for pipe destinations and pipeline stages, also keeps the value - * alive until the stream flushes or is destroyed. */ - "crypto.hashStream": { argTypes: [null], result: { kind: "object", className: "%Transform" } }, - "crypto.hashStreamPiped": { - argTypes: [null], - result: { kind: "object", className: "%Transform" }, - }, - /** createCipheriv (false) / createDecipheriv (true) over checked-dynamic - * cipher, key, iv and options arguments (scr_cipher.c): a native - * Cipheriv/Decipheriv handle whose methods dispatch through dynInvoke. */ - "crypto.cipherNew": { argTypes: [BOOL, DYN, DYN, DYN, DYN], result: DYN }, - /** createECDH(curveName) over a checked-dynamic curve (scr_ecdh.c): a - * native ECDH handle whose methods dispatch through dynInvoke. */ - "crypto.ecdhNew": { argTypes: [DYN], result: DYN }, - /** ECDH.convertKey(key, curve, inputEncoding, outputEncoding, format): - * the converted point as a Buffer or string. */ - "crypto.ecdhConvertKey": { argTypes: [DYN, DYN, DYN, DYN, DYN], result: DYN }, - /** createDiffieHellman(sizeOrKey, keyEncoding, generator, - * generatorEncoding) over checked-dynamic arguments (scr_dh.c): a native - * DiffieHellman handle whose methods dispatch through dynInvoke. */ - "crypto.dhNew": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, - /** getDiffieHellman(groupName) and createDiffieHellmanGroup(name): a - * native DiffieHellmanGroup handle. */ - "crypto.dhGroupNew": { argTypes: [DYN], result: DYN }, - /** checkPrimeSync(candidate, options) and generatePrimeSync(size, - * options) over checked-dynamic arguments (scr_dh.c): a boolean, and an - * ArrayBuffer or bigint, as checked-dynamic results. The Cb forms take - * the callback and whether its error parameter takes null for Node's - * undefined, and call it in a later macrotask; Node's argument errors - * throw (may-throw). */ - "crypto.checkPrimeSync": { argTypes: [DYN, DYN], result: DYN }, - /** getCipherInfo(nameOrNid, options) over checked-dynamic arguments - * (scr_cipher_info.c): the info object or undefined. */ - "crypto.getCipherInfo": { argTypes: [DYN, DYN], result: DYN }, - "crypto.checkPrimeCb": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, - "crypto.generatePrimeSync": { argTypes: [DYN, DYN], result: DYN }, - "crypto.generatePrimeCb": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, - "crypto.hmacNewStr": { argTypes: [STRING, STRING], result: CRYPTOHMAC_T }, - "crypto.hmacNewBytes": { argTypes: [STRING, BYTES_U8], result: CRYPTOHMAC_T }, - "crypto.hashUpdateStr": { argTypes: [CRYPTOHASH_T, STRING], result: CRYPTOHASH_T }, - "crypto.hashUpdateBytes": { argTypes: [CRYPTOHASH_T, BYTES_U8], result: CRYPTOHASH_T }, - "crypto.hmacUpdateStr": { argTypes: [CRYPTOHMAC_T, STRING], result: CRYPTOHMAC_T }, - "crypto.hmacUpdateBytes": { argTypes: [CRYPTOHMAC_T, BYTES_U8], result: CRYPTOHMAC_T }, - "crypto.hashCopy": { argTypes: [CRYPTOHASH_T], result: CRYPTOHASH_T }, - "crypto.hashDigestString": { argTypes: [CRYPTOHASH_T, STRING], result: STRING }, - "crypto.hashDigestBuffer": { argTypes: [CRYPTOHASH_T], result: BYTES_U8 }, - "crypto.hmacDigestString": { argTypes: [CRYPTOHMAC_T, STRING], result: STRING }, - "crypto.hmacDigestBuffer": { argTypes: [CRYPTOHMAC_T], result: BYTES_U8 }, - /** The option and any-value forms, with Node's checks at run time. The - * Dyn digests return a string or a Buffer, and crypto.hash's Dyn form - * either one by its outputEncoding. */ - "crypto.hashNewOpts": { argTypes: [STRING, DYN], result: CRYPTOHASH_T }, - "crypto.hmacNewDyn": { argTypes: [STRING, DYN, DYN], result: CRYPTOHMAC_T }, - "crypto.hashCopyOpts": { argTypes: [CRYPTOHASH_T, DYN], result: CRYPTOHASH_T }, - "crypto.hashUpdateEnc": { argTypes: [CRYPTOHASH_T, STRING, STRING], result: CRYPTOHASH_T }, - "crypto.hmacUpdateEnc": { argTypes: [CRYPTOHMAC_T, STRING, STRING], result: CRYPTOHMAC_T }, - "crypto.hashUpdateDyn": { argTypes: [CRYPTOHASH_T, DYN, DYN], result: CRYPTOHASH_T }, - "crypto.hmacUpdateDyn": { argTypes: [CRYPTOHMAC_T, DYN, DYN], result: CRYPTOHMAC_T }, - "crypto.hashDigestDyn": { argTypes: [CRYPTOHASH_T, DYN], result: DYN }, - "crypto.hmacDigestDyn": { argTypes: [CRYPTOHMAC_T, DYN], result: DYN }, - "crypto.hashOneshot": { argTypes: [STRING, DYN, DYN], result: DYN }, - /** Views of any element kind (the validator checks both are views). */ - "crypto.timingSafeEqual": { argTypes: [null, null], result: BOOL }, - "crypto.timingSafeEqualDyn": { argTypes: [DYN, DYN], result: BOOL }, - "crypto.randomFill": { argTypes: [BYTES_U8, F64, F64], result: BYTES_U8 }, - "crypto.randomFillRest": { argTypes: [BYTES_U8, F64], result: BYTES_U8 }, - "crypto.randomInt": { argTypes: [F64, F64], result: F64 }, - "crypto.randomIntMax": { argTypes: [F64], result: F64 }, - /** randomFillSync over any view returns that view at its own type (the - * validator checks the result against the first argument). The Dyn form - * takes ArrayBuffers and other values. The callback forms carry - * randomFill's argument count before the callback; randomIntCb carries - * whether min was given. */ - "crypto.randomFillView": { argTypes: [null, F64, F64], result: BYTES_U8 }, - "crypto.randomFillViewRest": { argTypes: [null, F64], result: BYTES_U8 }, - /** crypto.getRandomValues: a view returns itself at its own type (the - * float/size DOMExceptions are thrown at run time); any other value - * takes the checked form. */ - "crypto.getRandomValues": { argTypes: [null], result: BYTES_U8 }, - "crypto.getRandomValuesDyn": { argTypes: [DYN], result: DYN }, - "crypto.randomFillSyncDyn": { argTypes: [DYN, DYN, DYN], result: DYN }, - "crypto.randomFillCb": { argTypes: [null, F64, F64, F64, null], result: VOID }, - "crypto.randomFillCbDyn": { argTypes: [DYN, DYN, DYN, F64, null], result: VOID }, - "crypto.randomIntCb": { argTypes: [F64, F64, F64, null], result: VOID }, - "crypto.randomUUIDOpts": { argTypes: [DYN], result: STRING }, - /** Secret KeyObjects: native handles whose getters and methods dispatch - * through the handle. keyObjectInput reads a key's bytes for hkdf. */ - "crypto.createSecretKey": { argTypes: [DYN, DYN], result: DYN }, - "crypto.generateKeySync": { argTypes: [DYN, DYN], result: DYN }, - "crypto.generateKeyCb": { argTypes: [DYN, DYN, null], result: VOID }, - "crypto.keyObjectInput": { argTypes: [DYN], result: BYTES_U8 }, - "crypto.isKeyObject": { argTypes: [DYN], result: BOOL }, - /** WebCrypto (scr_webcrypto.c): each method takes its argument vector as - * one dyn array and answers a promise that argument and validation - * failures reject. CryptoKey values are native handles. */ - "webcrypto.generateKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.importKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.exportKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.encrypt": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.decrypt": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.wrapKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.unwrapKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.deriveBits": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.deriveKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.sign": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.verify": { argTypes: [DYN], result: { kind: "promise", inner: BOOL } }, - "webcrypto.digest": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, - "webcrypto.isCryptoKey": { argTypes: [DYN], result: BOOL }, - "webcrypto.object": { argTypes: [], result: DYN }, - "crypto.randomUUIDv7": { argTypes: [DYN], result: STRING }, - "crypto.pbkdf2": { argTypes: [BYTES_U8, BYTES_U8, F64, F64, STRING], result: BYTES_U8 }, - "crypto.randomBytesCb": { argTypes: [F64, null], result: VOID }, - "crypto.pbkdf2Cb": { argTypes: [BYTES_U8, BYTES_U8, F64, F64, STRING, null], result: VOID }, - "crypto.hkdf": { argTypes: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64], result: DYN }, - "crypto.hkdfCb": { argTypes: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64, null], result: VOID }, - "crypto.scrypt": { argTypes: [BYTES_U8, BYTES_U8, F64, DYN], result: BYTES_U8 }, - "crypto.scryptCb": { argTypes: [BYTES_U8, BYTES_U8, F64, DYN, null], result: VOID }, - /** util.promisify over the callback forms: the callback form's - * arguments without the callback → a promise the callback form settles, - * or rejected with an argument error; never throws. The result's value - * type is the declared one (a Buffer, the filled view, a number, or a - * checked-dynamic value); the validator checks it. */ - "crypto.randomBytesPromise": { argTypes: [F64], result: VOID }, - "crypto.pbkdf2Promise": { argTypes: [BYTES_U8, BYTES_U8, F64, F64, STRING], result: VOID }, - "crypto.scryptPromise": { argTypes: [BYTES_U8, BYTES_U8, F64, DYN], result: VOID }, - "crypto.hkdfPromise": { argTypes: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64], result: VOID }, - "crypto.randomFillPromise": { argTypes: [null, F64, F64, F64], result: VOID }, - "crypto.randomFillPromiseDyn": { argTypes: [DYN, DYN, DYN, F64], result: VOID }, - "crypto.randomIntPromise": { argTypes: [F64, F64, F64], result: VOID }, - "crypto.generateKeyPromise": { argTypes: [DYN, DYN], result: VOID }, - /** util.promisify(dns.lookup) and util.promisify(dns.lookupService): - * [hostname, options] and [address, port] → a promise of the - * checked-dynamic result object (the address array with options.all), - * or rejected with the error; never throws. */ - "dns.lookupPromise": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "dns.lookupServicePromise": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - // The Buffer statics and the fs/zlib Buffer forms: fixed always-u8 - // signatures (Buffer IS a Uint8Array — one bytes kind). - /** The Buffer statics with fixed (always-u8) signatures. fromStr is - * `Buffer.from(string, enc)` — the frontend completes an omitted - * encoding to "utf8" and fences non-literal/unsupported ones; hex and - * base64 decode Node-leniently, so it never throws. concat takes ONE - * bytes[] arg (the list) and returns a fresh copy. `Buffer.from(u8)` - * and `Buffer.alloc(n)` need no libFn — they lower to bytesNew. */ - "buffer.fromStr": { argTypes: [STRING, STRING], result: BYTES_U8 }, - "buffer.fromStrChecked": { argTypes: [STRING, STRING], result: BYTES_U8 }, - "buffer.brand": { argTypes: [BYTES_U8], result: BYTES_U8 }, - /** Buffer.isBuffer over a typed view: whether the view carries the - * Buffer brand (any element kind; only Buffers do). Never throws. */ - "buffer.isBranded": { argTypes: [null], result: BOOL }, - /** Buffer.from on checked-native strings, bytes, arrays and data-only - * array-like/Buffer-JSON objects. The encoding is a normalized literal; - * non-string inputs ignore it. Copies the input and may throw during - * element coercion or argument validation. Custom object valueOf and - * opaque reference inputs retain explicit runtime refusals. */ - "buffer.fromDyn": { argTypes: [DYN, STRING], result: BYTES_U8 }, - "buffer.concat": { argTypes: [arrayOf(BYTES_U8)], result: BYTES_U8 }, - "buffer.concatDyn": { argTypes: [DYN], result: BYTES_U8 }, - /** The pooled Buffer factories (Node's allocate/fromStringFast/ - * fromArrayLike): allocUnsafe, Buffer.from of strings, Uint8Arrays, - * number[] and checked values, and concat return views into the - * per-thread pool slab below Buffer.poolSize >>> 1 bytes. alloc and - * allocUnsafeSlow never pool. The size forms validate like Node - * (ERR_OUT_OF_RANGE). poolSize reads and writes Buffer.poolSize. */ - "buffer.alloc": { argTypes: [F64], result: BYTES_U8 }, - /** Buffer.alloc as a function value: the size, fill and encoding arrive - * unchecked, and the runtime fills as Node's alloc does. */ - "buffer.allocValue": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, - "buffer.allocUnsafe": { argTypes: [F64], result: BYTES_U8 }, - "buffer.allocUnsafeSlow": { argTypes: [F64], result: BYTES_U8 }, - "buffer.poolFromStr": { argTypes: [STRING, STRING], result: BYTES_U8 }, - "buffer.poolFromStrChecked": { argTypes: [STRING, STRING], result: BYTES_U8 }, - "buffer.poolFromBytes": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "buffer.poolFromArray": { argTypes: [arrayOf(F64)], result: BYTES_U8 }, - "buffer.poolFromDyn": { argTypes: [DYN, STRING], result: BYTES_U8 }, - /** poolFromDyn that also copies an array crossing by reference. */ - "buffer.poolFromDynRef": { argTypes: [DYN, STRING], result: BYTES_U8 }, - "buffer.poolFromDynOffset": { argTypes: [DYN, DYN], result: BYTES_U8 }, - /** Buffer.from(value, byteOffset, length): an ArrayBuffer's range with - * Node's fromArrayBuffer checks; other values as poolFromDynOffset. */ - "buffer.poolFromDynRange": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, - "buffer.poolSize": { argTypes: [], result: F64 }, - "buffer.setPoolSize": { argTypes: [F64], result: VOID }, - /** Buffer.byteLength(string, enc) — enc a NORMALIZED literal like - * fromStr's — and Buffer.isEncoding(name) over a runtime string - * (case-insensitive against Node's alias set). Pure; never throw. */ - "buffer.byteLenDyn": { argTypes: [DYN, STRING], result: F64 }, - /** Buffer.byteLength as a function value: the encoding arrives at run time. */ - "buffer.byteLenValue": { argTypes: [DYN, DYN], result: F64 }, - "buffer.byteLenStr": { argTypes: [STRING, STRING], result: F64 }, - "buffer.isEncoding": { argTypes: [STRING], result: BOOL }, - /** Buffer.concat(list, totalLength): the concatenation truncated or - * zero-padded to the total. THROWS Node's 'length' RangeError on a - * negative/non-integer total (may-throw seed). */ - "buffer.concatLen": { argTypes: [arrayOf(BYTES_U8), F64], result: BYTES_U8 }, - "buffer.concatLenDyn": { argTypes: [DYN, F64], result: BYTES_U8 }, - // The checked-dynamic compare/equals validators (Node's argument - // ladders over dyn-boxed invalid-input probes). - /** The checked-dynamic compare/equals validators (scr_bytes_io.c) — - * the lowered form when an argument is NOT statically bytes (the - * invalid-input probes; a dyn from an untyped JS helper): Node's own - * argument ladders run at runtime — ERR_INVALID_ARG_TYPE with the - * API's argument name ("buf1"/"buf2", "otherBuffer", "target"; offsets - * "of type number"), validateOffset's ERR_OUT_OF_RANGE for bad - * numbers, undefined offsets taking their Node defaults — and a - * well-typed value still computes the real answer. All args borrowed - * dyn; compareChk's four offset slots pass the undefined dyn when - * syntactically absent. May-throw seeds. */ - "buffer.compareChk": { argTypes: [DYN, DYN], result: F64 }, - "bytes.equalsChk": { argTypes: [BYTES_U8, DYN], result: BOOL }, - "bytes.compareChk": { argTypes: [BYTES_U8, DYN, DYN, DYN, DYN, DYN], result: F64 }, - /** The deprecated `new Buffer(number, 'enc')` string-arm rejection: - * always throws Node's ERR_INVALID_ARG_TYPE ("The \"string\" argument - * must be of type string. Received ..."). Borrowed dyn; may-throw. */ - "buffer.newStringFail": { argTypes: [DYN], result: BYTES_U8 }, - "buffer.deprecation": { argTypes: [], result: VOID }, - "buffer.deprecationCount": { argTypes: [], result: VOID }, - "buffer.constructor": { argTypes: [], result: DYN }, - "buffer.installValue": { argTypes: [], result: VOID }, - "buffer.staticValue": { argTypes: [STRING], result: DYN }, - "buffer.prototypeMember": { argTypes: [DYN], result: DYN }, - /** fs._toUnixTimestamp(time) over a dyn value: numeric strings and - * finite numbers coerce (negatives answer now/1000, Node's shape); - * everything else throws Node's ERR_INVALID_ARG_TYPE. May-throw. */ - "fs.toUnixTimestamp": { argTypes: [DYN], result: F64 }, - /** The fs argument-validation ladders (checked-dynamic lane): each Chk - * replicates its API's Node-order validation over dyn values (Node's - * exact typed errors — ERR_INVALID_ARG_TYPE/VALUE, ERR_OUT_OF_RANGE), - * and a full pass meets the trailing compiler-rendered SC2020 fence - * string — so the ALWAYS-THROW forms take the error.nodeThrow - * polymorphic-result carve-out. mkdtempSyncChk and the lchmod sync/ - * promise pair run the REAL operation on a validated pass instead - * (macOS lchmod(2); non-APPLE answers Node's not-a-function / - * ERR_METHOD_NOT_IMPLEMENTED shapes). May-throw seeds, all of them. */ - "fs.existsChk": { argTypes: [DYN, DYN], result: DYN }, - "fs.mkdtempChk": { argTypes: [DYN, DYN, STRING], result: VOID }, - "fs.mkdtempSyncChk": { argTypes: [DYN, DYN, STRING], result: STRING }, - "fs.readFileChk": { argTypes: [DYN, DYN, DYN, STRING], result: VOID }, - "fs.opendirChk": { argTypes: [DYN, DYN, STRING], result: VOID }, - "fs.watchFileChk": { argTypes: [DYN, DYN, STRING], result: VOID }, - "fs.lchmodChk": { argTypes: [DYN, DYN, DYN, STRING], result: VOID }, - "fs.lchmodSyncChk": { argTypes: [DYN, DYN], result: DYN }, - "fsp.lchmodChk": { argTypes: [DYN, DYN], result: { kind: "promise", inner: VOID } }, - "fs.readChk": { argTypes: [DYN, DYN, DYN, DYN, DYN, STRING], result: VOID }, - "fs.streamOptsChk": { argTypes: [DYN, DYN, STRING], result: VOID }, - /** fs.ReadStream / fs.WriteStream (scr_fs_stream.c): the constructors - * take the path and options as dyn values and throw Node's option - * errors; the members read bytesRead/bytesWritten, pending and the path - * value, and close() / close(cb) (a `() => void` callback). */ - "fs.createReadStream": { - argTypes: [DYN, DYN], - result: { kind: "object", className: "%Readable" }, - }, - "fs.createWriteStream": { - argTypes: [DYN, DYN], - result: { kind: "object", className: "%Writable" }, - }, - "fs.fsStreamBytes": { argTypes: [null], result: F64 }, - "fs.fsStreamPending": { argTypes: [null], result: BOOL }, - "fs.fsStreamPath": { argTypes: [null], result: DYN }, - "fs.fsStreamPropDyn": { argTypes: [null, STRING], result: DYN }, - "fileHandle.createReadStream": { - argTypes: [FILEHANDLE_T, DYN], - result: { kind: "object", className: "%Readable" }, - }, - "fileHandle.createWriteStream": { - argTypes: [FILEHANDLE_T, DYN], - result: { kind: "object", className: "%Writable" }, - }, - "fs.fsStreamClose": { argTypes: [null], result: VOID }, - "fs.fsStreamCloseCb": { argTypes: [null, funcOf([], VOID)], result: VOID }, - /** The compiler-resolved ERR_INVALID_ARG_TYPE throw with a RUNTIME- - * rendered Received tail: args [argname, "of type ..." clause, the - * offending dyn value]. ALWAYS THROWS; polymorphic result (the - * error.nodeThrow pattern). May-throw seed. */ - "error.argTypeThrow": { argTypes: [STRING, STRING, DYN], result: VOID }, - /** The property flavor of argTypeThrow ("The \"options.x\" property - * must be ..."): the option-bag ladders' provably-invalid arms. ALWAYS - * THROWS; polymorphic result. May-throw seed. */ - "error.propTypeThrow": { argTypes: [STRING, STRING, DYN], result: VOID }, - /** The checked-dynamic max-listeners ladders: setMaxChk is the - * instance form over a dyn n (non-numbers ERR_INVALID_ARG_TYPE, - * negatives/NaN ERR_OUT_OF_RANGE; +1 receiver back — chaining); - * setDefaultMaxChk is the static/property form, its second argument - * naming the message slot ("setMaxListeners" for the static call, - * "defaultMaxListeners" for the module-property assignment). */ - "emitter.setMaxChk": { argTypes: [null, DYN], result: VOID }, - "emitter.setDefaultMaxChk": { argTypes: [DYN, STRING], result: VOID }, - /** The Buffer forms of fs: readFileSync(path) with NO - * encoding → bytes (+1), writeFileSync/appendFileSync(path, bytes), and the - * fs/promises readFile(path) no-encoding form (an already-settled - * promise, rejecting on failure like the other fsp members). The sync - * forms THROW catchably on failure exactly like the utf8 forms. */ - "fs.readFileSyncBytes": { argTypes: [STRING], result: BYTES_U8 }, - "fs.writeFileSyncBytes": { argTypes: [STRING, BYTES_U8], result: VOID }, - "fs.appendFileSyncBytes": { argTypes: [STRING, BYTES_U8], result: VOID }, - "fsp.readFileBytes": { argTypes: [STRING], result: { kind: "promise", inner: BYTES_U8 } }, - /** node:zlib (scr_zlib.c — native-toolchain.ts compiles/links it ONLY when these - * appear on the IR, the regex/libcurl gating precedent): one-shot zlib, - * raw-DEFLATE, gzip, and auto-detect codecs over u8 bytes with Node's - * default options, or a validated literal compression level from -1 to 9. - * Compression never throws (OOM aborts); decompression - * of corrupt input THROWS Node's error catchably. */ - "zlib.deflateSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "zlib.inflateSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "zlib.deflateRawSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - /** bytes, mode (0 zlib / 1 raw / 2 gzip), validated compression level. */ - "zlib.deflateLevelSync": { argTypes: [BYTES_U8, F64, F64], result: BYTES_U8 }, - "zlib.inflateRawSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "zlib.gzipSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "zlib.gunzipSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - "zlib.unzipSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, - /** The default-options callback twins run on the executable's shared - * native work pool and deliver (Error | null, Buffer) on a later loop - * turn. crc32 validates its optional uint32 seed synchronously. */ - "zlib.deflateCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.inflateCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.deflateRawCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.inflateRawCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.gzipCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.gunzipCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.unzipCb": { argTypes: [BYTES_U8, null], result: VOID }, - "zlib.crc32": { argTypes: [BYTES_U8, F64], result: F64 }, - /** The one-shot forms with an options value: node_zlib_mode, the input, - * the options (validated at runtime with Node's ladder). The Cb form - * takes the program-shaped (Error | null, Buffer) callback, which moves. */ - "zlib.syncOpts": { argTypes: [F64, BYTES_U8, DYN], result: BYTES_U8 }, - "zlib.cbOpts": { argTypes: [F64, BYTES_U8, DYN, null], result: VOID }, - /** The checked-dynamic input twins (the JS lane's untyped data). */ - "zlib.syncOptsDyn": { argTypes: [F64, DYN, DYN], result: BYTES_U8 }, - "zlib.cbOptsDyn": { argTypes: [F64, DYN, DYN, null], result: VOID }, - /** util.promisify over the callback one-shots: [mode, data, options] - * like zlib.cbOpts → a promise the worker-pool run settles with the - * Buffer or the callback form's Error. An options or input error rejects - * it; never throws. The Dyn twin takes the JS lane's untyped data. */ - "zlib.promise": { argTypes: [F64, BYTES_U8, DYN], result: { kind: "promise", inner: BYTES_U8 } }, - "zlib.promiseDyn": { argTypes: [F64, DYN, DYN], result: { kind: "promise", inner: BYTES_U8 } }, - /** The stream classes (scr_zlib_stream.c, linked with the stream unit): - * streamNew takes Node's node_zlib_mode number and the options value - * (undefined when absent), validates it with Node's ladder, and answers - * the +1 %Transform stream. flush takes the kind value, params the level - * and strategy values; the Cb forms move their () => void callback. The - * receivers are borrowed. */ - /** Connects scr_brotli.c to the zlib engine (%main, before any module). */ - "zlib.brotliInstall": { argTypes: [], result: VOID }, - "zlib.streamNew": { argTypes: [F64, DYN], result: VOID }, - "zlib.streamBytesWritten": { argTypes: [null], result: F64 }, - /** `stream instanceof zlib.Gzip`: the borrowed stream and the class's - * node_zlib_mode; true when the stream is a zlib stream of that mode. */ - "zlib.streamIs": { argTypes: [null, F64], result: BOOL }, - "zlib.streamFlush": { argTypes: [null, DYN], result: VOID }, - "zlib.streamFlushCb": { argTypes: [null, DYN, null], result: VOID }, - "zlib.streamParams": { argTypes: [null, DYN, DYN], result: VOID }, - "zlib.streamParamsCb": { argTypes: [null, DYN, DYN, null], result: VOID }, - "zlib.streamClose": { argTypes: [null], result: VOID }, - "zlib.streamCloseCb": { argTypes: [null, null], result: VOID }, - "zlib.streamReset": { argTypes: [null], result: VOID }, - /** The Buffer overloads of the raw stream writes — same promptly - * submitted streams as process.stdoutWrite/stderrWrite, constantly true. - * The encoding arg is evaluated but ignored for bytes, like Node. The Cb - * forms move their program-shaped completion callback to the tick queue. */ - "process.stdoutWriteBytes": { argTypes: [BYTES_U8, STRING], result: BOOL }, - "process.stderrWriteBytes": { argTypes: [BYTES_U8, STRING], result: BOOL }, - // Completion callback is program-dependent: zero params, checked-dynamic, - // or an optional Error | null slot (same success shape as fs.rename). - "process.stdoutWriteBytesCb": { argTypes: [BYTES_U8, STRING, null], result: BOOL }, - "process.stderrWriteBytesCb": { argTypes: [BYTES_U8, STRING, null], result: BOOL }, - /** The value of a FULFILLED promise, read without a microtask turn (+1 - * for references): the tuple form of Promise.all reads its entries this - * way once the combinator fulfills, each entry widened to Promise - * and read at the type it was built with (program-dependent). */ - "promise.fulfilledValue": { argTypes: [null], result: VOID }, - /** Promise.all's tuple form as a value: the entries (each widened to - * Promise) join the runtime combinator, and when it fulfills the - * function reads the fulfilled entries into the tuple inside that - * settlement, so the result settles on the combinator's turn; a - * rejection settles it the same way. The result is the tuple's promise - * (program-dependent). */ - "promise.allTuple": { argTypes: [null, null], result: VOID }, - "fsp.readFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: STRING } }, - "fsp.writeFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, - /** fs.promises.writeFile(path, data, { mode }): the settled-promise - * twin of fs.writeFileModeSync. */ - "fsp.writeFileMode": { - argTypes: [STRING, STRING, F64], - result: { kind: "promise", inner: VOID }, - }, - "fsp.mkdir": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, - /** The fs/promises option/member tail the certs pipeline uses: mkdir's - * literal { recursive?, mode? } options (the mkdirSync matrix behind - * settled promises), unlink, chmod. Failures REJECT (catchable at the - * await), like the rest of the fsp family. */ - "fsp.mkdirMode": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, - "fsp.mkdirRecursive": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, - "fsp.mkdirRecursiveMode": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, - "fsp.unlink": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, - "fsp.chmod": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, - "fsp.chown": { argTypes: [STRING, F64, F64], result: { kind: "promise", inner: VOID } }, - "fsp.lchown": { argTypes: [STRING, F64, F64], result: { kind: "promise", inner: VOID } }, - "fsp.access": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, - "fsp.truncate": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, - "fsp.appendFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, - "fsp.appendFileBytes": { argTypes: [STRING, BYTES_U8], result: { kind: "promise", inner: VOID } }, - "fsp.copyFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, - "fsp.mkdtemp": { argTypes: [STRING], result: { kind: "promise", inner: STRING } }, - /** readFile(path, encoding | { encoding }) for any runtime encoding name. */ - "fsp.readFileEncoded": { argTypes: [STRING, STRING], result: { kind: "promise", inner: STRING } }, - "fsp.rmdir": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, - "fsp.link": { argTypes: [DYN, DYN], result: { kind: "promise", inner: VOID } }, - "fsp.symlink": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, - "fsp.cp": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, - "fsp.readlink": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "fsp.statfs": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, - "fsp.readlinkStr": { argTypes: [DYN, DYN], result: { kind: "promise", inner: STRING } }, - "fsp.readlinkBuffer": { argTypes: [DYN, DYN], result: { kind: "promise", inner: BYTES_U8 } }, - "fsp.utimes": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, - "fsp.lutimes": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, - "fsp.rename": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, - "fsp.readdir": { argTypes: [STRING], result: { kind: "promise", inner: arrayOf(STRING) } }, - // Result is promise; the libCall case - // validates the program-dependent record shape in validate.ts. - /** `fs.promises.readdir(path, { withFileTypes: true })` — the settled- - * promise twin of fs.readdirTypesSync. The backends assemble the same - * call-site-shaped Dirent rows, then move the array into a promise; - * scandir failure becomes its rejection. */ - "fsp.readdirTypes": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, - "fsp.rm": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, - /** `fs.promises.rm(path, options)`: fs.rmOptsSync and fs.rmRetrySync - * behind a settled promise; their errors become its rejection. */ - "fsp.rmOpts": { argTypes: [STRING, BOOL, BOOL], result: { kind: "promise", inner: VOID } }, - "fsp.rmRetry": { - argTypes: [STRING, BOOL, BOOL, F64, F64], - result: { kind: "promise", inner: VOID }, - }, - "fsp.stat": { argTypes: [STRING], result: { kind: "promise", inner: STATS_T } }, - "fsp.realpath": { argTypes: [STRING], result: { kind: "promise", inner: STRING } }, - "fsp.lstat": { argTypes: [STRING], result: { kind: "promise", inner: STATS_T } }, - /** fs/promises.open and the statically represented FileHandle surface. - * Every operation returns an already-settled promise; syscall failures - * become rejections rather than escaping synchronously. read/write - * results are call-site record shapes ({ bytesRead/bytesWritten, - * buffer }) assembled by the backends around the fixed runtime ABI. */ - "fsp.open": { argTypes: [STRING, STRING, F64], result: { kind: "promise", inner: FILEHANDLE_T } }, - "fileHandle.fd": { argTypes: [FILEHANDLE_T], result: F64 }, - "fileHandle.close": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: VOID } }, - "fileHandle.sync": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: VOID } }, - "fileHandle.datasync": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: VOID } }, - "fileHandle.truncate": { - argTypes: [FILEHANDLE_T, F64], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.chmod": { argTypes: [FILEHANDLE_T, F64], result: { kind: "promise", inner: VOID } }, - "fileHandle.utimes": { - argTypes: [FILEHANDLE_T, DYN, DYN], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.readv": { - argTypes: [FILEHANDLE_T, arrayOf(BYTES_U8), F64], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.writev": { - argTypes: [FILEHANDLE_T, arrayOf(BYTES_U8), F64], - result: { kind: "promise", inner: VOID }, - }, - // read/write carry call-site result record shapes; the validator checks - // those in validate.ts, so promise is only a table sentinel. - "fileHandle.read": { - argTypes: [FILEHANDLE_T, BYTES_U8, F64, F64, F64, BOOL], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.writeBytes": { - argTypes: [FILEHANDLE_T, BYTES_U8, F64, F64, F64, BOOL], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.writeStr": { - argTypes: [FILEHANDLE_T, STRING, F64, STRING], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.readFile": { - argTypes: [FILEHANDLE_T, STRING], - result: { kind: "promise", inner: STRING }, - }, - "fileHandle.readFileBytes": { - argTypes: [FILEHANDLE_T, STRING], - result: { kind: "promise", inner: BYTES_U8 }, - }, - "fileHandle.writeFile": { - argTypes: [FILEHANDLE_T, STRING, STRING], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.writeFileBytes": { - argTypes: [FILEHANDLE_T, BYTES_U8, STRING], - result: { kind: "promise", inner: VOID }, - }, - "fileHandle.stat": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: STATS_T } }, - "process.argv": { argTypes: [], result: arrayOf(STRING) }, - // The Node runtime flag a node:test binary took out of process.argv - // (--test-update-snapshots), or [] — a fresh array per read. - "process.execArgv": { argTypes: [], result: arrayOf(STRING) }, - "process.platform": { argTypes: [], result: STRING }, - // The one libCall whose result type is program-dependent (union ids are - // per-module): the `result` here is a placeholder — the libCall case - // checks the union's ARMS ([string, undefinedT] in canonical order) - // against the module's registry instead. - /** getenv(3): one string key arg → the interned `string | undefined` - * union (present: +1 string wrapped into the string arm; absent: the - * interned undefined-arm instance). BOTH source forms — `process.env.FOO` - * and `process.env[expr]` — lower here. Purely static; never throws. */ - "process.envGet": { argTypes: [STRING], result: VOID }, - /** setenv(3): (name, value) string args → void. Later envGet reads and - * spawned children observe the write, like Node (values are strings — - * the frontend fences non-string RHS). Never throws. */ - "process.envSet": { argTypes: [STRING, STRING], result: VOID }, - /** `delete process.env[NAME]` — unsetenv(3): the mutation is visible to - * every later read (process.envGet asks getenv fresh) and inherited by - * spawned children, exactly Node. Statement position only (JS's boolean - * result is constant true there). Borrows the name; never throws. */ - "process.envUnset": { argTypes: [STRING], result: VOID }, - /** The whole environment as alternating [k0, v0, k1, v1, ...] strings in - * environ order — the raw material of the process.env SNAPSHOT record - * (the frontend's interned %env.snapshot helper keyed-writes the pairs - * into a fresh `{ [k: string]: string | undefined }` record). Fresh +1 - * array; never throws. */ - "process.envPairs": { argTypes: [], result: arrayOf(STRING) }, - "process.exit": { argTypes: [F64], result: VOID }, - /** Numeric process.exitCode write (integer validation, implicit exit status). */ - "process.setExitCode": { argTypes: [F64], result: VOID }, - /** The process.exitCode write of a program that also reads the - * property: the same validation, and the code counts as assigned. */ - "process.setExitCodeTracked": { argTypes: [F64], result: VOID }, - /** The code for process.exit() with no argument, or zero when unset. */ - "process.currentExitCode": { argTypes: [], result: F64 }, - /** Whether process.exitCode reads a code rather than undefined. Never throws. */ - "process.hasExitCode": { argTypes: [], result: BOOL }, - "process.cwd": { argTypes: [], result: STRING }, - /** getpid(2) / getuid(2): zero args → f64. POSIX-only target, so both - * always answer (the checker's `getuid?` optionality covers Windows — - * `process.getuid?.()` lowers as the plain call). Never throw. */ - "process.pid": { argTypes: [], result: F64 }, - "dyn.this": { argTypes: [], result: DYN }, - "dyn.generatorThis": { argTypes: [], result: DYN }, - "process.getuid": { argTypes: [], result: F64 }, - "process.getgid": { argTypes: [], result: F64 }, - /** geteuid(2) / getegid(2) / getgroups(2) (the effective gid appended - * when the list lacks it, like Node). Windows has no such members: the - * calls throw the TypeError a missing member does (MAY THROW). */ - "process.geteuid": { argTypes: [], result: F64 }, - "process.getegid": { argTypes: [], result: F64 }, - "process.getgroups": { argTypes: [], result: arrayOf(F64) }, - /** process.ppid: the parent's pid at the read. Never throws. */ - "process.ppid": { argTypes: [], result: F64 }, - /** process.title: libuv's process title (argv[0] until set); setTitle - * writes it (truncated to the original argument area on POSIX, the - * console title on Windows). Never throw. */ - "process.title": { argTypes: [], result: STRING }, - "process.setTitle": { argTypes: [STRING], result: VOID }, - /** process.argv0: the original argv[0]. Never throws. */ - "process.argv0": { argTypes: [], result: STRING }, - /** process.release: the compatibility target's stable release object - * (name, lts, sourceUrl, headersUrl, and libUrl on Windows). +1. */ - "process.release": { argTypes: [], result: DYN }, - /** process.execPath: the compiled binary's own resolved absolute path - * (one interned string, +1 per read) — the honest answer where Node's - * is the node executable's (SEMANTICS.md divergence 12). Never throws. */ - "process.execPath": { argTypes: [], result: STRING }, - /** process.arch: the compiled binary's OWN architecture ("arm64", - * "x64") — Node's answer for its own build on the same machine. - * Interned; +1 per read. Never throws. */ - "process.arch": { argTypes: [], result: STRING }, - /** Stable native version dictionary. node/openssl identify compatibility - * targets; components absent from the native runtime are omitted. */ - "process.versions": { argTypes: [], result: DYN }, - "process.builtinId": { argTypes: [DYN, arrayOf(STRING)], result: STRING }, - "process.builtinModule": { argTypes: [STRING, DYN], result: DYN }, - "process.builtinUnsupported": { argTypes: [STRING, STRING], result: DYN }, - /** A module namespace object as a checked-dynamic value - * (scr_module_namespace_value): the module id, its sorted export names - * and the compiled getter. One object per module. Never throws. */ - "module.namespaceValue": { argTypes: [STRING, arrayOf(STRING), DYN], result: DYN }, - "fs.callbackValue": { argTypes: [STRING], result: DYN }, - "fs.callbackCall": { argTypes: [STRING, DYN], result: DYN }, - "process.hrtimeValue": { argTypes: [], result: DYN }, - /** process.versions.node: the runtime's Node COMPATIBILITY TARGET — - * there is no Node under the binary, so this reports the version whose - * semantics the runtime implements (SEMANTICS.md divergence 60, the - * execPath stance). Interned; +1 per read. Never throws. */ - "process.versionsNode": { argTypes: [], result: STRING }, - "process.versionsOpenssl": { argTypes: [], result: STRING }, - /** kill(2) with Node's exact semantics and error shapes: the pid must be - * an int32 (else the ERR_INVALID_ARG_TYPE TypeError text), the named - * form resolves Node's signal-name table (unknown names throw the - * ERR_UNKNOWN_SIGNAL TypeError), an omitted signal completes to - * "SIGTERM" in the frontend, signal 0 probes, and a kill(2) failure - * throws Node's `kill ESRCH`/`kill EPERM` Error. Result is Node's - * constant true. */ - "process.kill": { argTypes: [F64, STRING], result: BOOL }, - "process.killNum": { argTypes: [F64, F64], result: BOOL }, - /** The raw byte writes: one borrowed string arg → bool (constantly true - * — this synchronous runtime never queues backpressure). stdoutWrite - * shares console.log's stream, each call is submitted promptly, and - * interleaved output keeps source order. No newline, no formatting, - * never throws. */ - "process.stdoutWrite": { argTypes: [STRING], result: BOOL }, - "process.stdio": { argTypes: [F64], result: DYN }, - "process.stderrWrite": { argTypes: [STRING], result: BOOL }, - // error.new's result and the receiver slots are builtin-error classes — - // program-dependent object types, checked in the libCall case. - /** The runtime-provided Error hierarchy's entry points (scr_error.c). - * error.new: one borrowed string arg (the message), result an owned (+1) - * builtin error instance — the result TYPE names which builtin class - * (backends derive the runtime kind from it). error.ctor: the - * super(message) call of an `extends Error` constructor — borrowed - * receiver (already allocated by the derived class's new) + borrowed - * message, void; the receiver's type names the builtin class whose name - * field to stamp. error.toString: borrowed `%Error`-typed receiver, +1 - * string in Node's "name: message" shape. Formatting can invoke a user - * message accessor, which can throw. */ - "error.new": { argTypes: [STRING], result: VOID }, - /** ECMAScript constructors with raw checked-dynamic message/options. - * Options retain cause presence; constructor calls borrow their args. - * Message coercion may throw before the cause is installed. */ - "error.newOptions": { argTypes: [DYN, DYN], result: VOID }, - "error.ctorOptions": { argTypes: [null, DYN, DYN], result: VOID }, - /** Borrowed Error receiver. cause returns an owned dyn value (undefined - * when absent); hasCause distinguishes absence from present undefined. */ - "error.cause": { argTypes: [null], result: DYN }, - "error.hasCause": { argTypes: [null], result: BOOL }, - /** Assignment borrows both operands and retains the new cause. */ - "error.setCause": { argTypes: [null, DYN], result: VOID }, - /** `err.code = s` on an error-hierarchy receiver: the code slot that - * error.code reads and coded throws stamp. Borrows both; never throws. */ - "error.setCode": { argTypes: [null, STRING], result: VOID }, - /** `err.code = v` with a value that is not statically a string: strings - * take the code slot, anything else clears it and sets the dynamic own - * property. Borrows both; never throws. */ - "error.setCodeDyn": { argTypes: [null, DYN], result: VOID }, - /** `Object.assign(err, ...sources)` onto an error-hierarchy receiver - * (args: the error, a dyn array of the sources): the own-member copy - * onto its checked-dynamic node, then the typed slots (name, message, - * stack, cause, code) re-read from it. Throws what the copy throws. */ - "error.assign": { argTypes: [null, DYN], result: VOID }, - /** `key in err` for a key no compiled class of the receiver declares - * (args: the error, the key): a runtime-set own property (Object.assign, - * throw-site fields, dynamic writes) or an Object.prototype member. */ - "error.hasKey": { argTypes: [null, STRING], result: BOOL }, - "error.hasCode": { argTypes: [null], result: BOOL }, - /** Whether the error's own `name` or `message` (the key) is an accessor - * a reflective definition installed. Borrows both; never throws. */ - "error.ownAccessor": { argTypes: [null, STRING], result: BOOL }, - /** That accessor's getter called on the error (owned result), and its - * setter called with the value (V8's TypeError without one). Borrow - * their arguments; throw what the accessor throws. */ - "error.accessorGet": { argTypes: [null, STRING], result: DYN }, - "error.accessorSet": { argTypes: [null, STRING, DYN], result: VOID }, - "error.defineCause": { argTypes: [null, DYN], result: VOID }, - "error.deleteCause": { argTypes: [null], result: VOID }, - /** The compiler-resolved Node-parity throw for always-throwing lowered - * arms (ERR_INVALID_THIS receivers, ERR_MISSING_ARGS arity ladders, - * the symbol-to-string TypeError): args are [error-kind f64 (the - * SCR_ERR_* index: 0 Error, 1 TypeError, 2 RangeError), code (empty = - * no code slot), message]. ALWAYS THROWS catchably; the result type is - * the replaced expression's own (never materialized — the - * global.undefRead pattern). May-throw seed. */ - "error.nodeThrow": { argTypes: [F64, STRING, STRING], result: VOID }, - /** JS ToString over a dyn value WITH the object protocol (a user - * toString/valueOf member is CALLED and its throw propagates; - * exhaustion throws "Cannot convert object to primitive value"; units - * render "null"/"undefined") — the WHATWG USVString conversions - * (URLSearchParams names/values). Borrowed dyn; +1 string. May-throw. */ - "dyn.toStringCoerce": { argTypes: [DYN], result: STRING }, - "dyn.stringConstructor": { argTypes: [DYN], result: STRING }, - "dyn.propertyKey": { argTypes: [DYN], result: DYN }, - "dyn.toNumeric": { argTypes: [DYN], result: DYN }, - "dyn.increment": { argTypes: [DYN, BOOL], result: DYN }, - /** JS ToNumber over a dyn value WITH the object protocol (number-hint - * valueOf/toString ordering; user throws propagate). Borrowed dyn; - * f64 result, or a throw. Used by statically lowered numeric coercions - * whose checker type remained any. */ - "dyn.numberConstructor": { argTypes: [DYN], result: F64 }, - "dyn.bigintConstructor": { argTypes: [DYN], result: BIGINT_T }, - "dyn.toNumberCoerce": { argTypes: [DYN], result: F64 }, - "dyn.add": { argTypes: [DYN, DYN], result: DYN }, - "dyn.arithmetic": { argTypes: [DYN, DYN, STRING], result: DYN }, - "dyn.compare": { argTypes: [DYN, DYN, STRING], result: BOOL }, - "dyn.bitwise": { argTypes: [DYN, DYN, STRING], result: DYN }, - "dyn.proxyNew": { argTypes: [DYN, DYN], result: DYN }, - /* Dynamic-tier values (jsval; two-tier design stage S3). The jsval pass - * (ir/jsval.ts) introduces these in dynamic-tier functions only; the - * runtime is scr_js_value.c. Arguments are borrowed and results owned, - * like every libCall. Boundary conversions: js.fromDyn (a cell keeps its - * identity), js.toDyn (an immediate is boxed), js.fromF64/fromBool/ - * fromStr/fromBigInt (the design's toJs: immediates, and strings and - * BigInts under a tag without a copy) and js.toF64 (fromJs to number: dynCheck's - * number check and TypeError). The operators are the dyn.* operators - * over jsvals, with identical JS semantics. */ - "js.fromDyn": { argTypes: [DYN], result: JSVAL }, - "js.toDyn": { argTypes: [JSVAL], result: DYN }, - "js.fromF64": { argTypes: [F64], result: JSVAL }, - "js.fromBool": { argTypes: [BOOL], result: JSVAL }, - "js.fromStr": { argTypes: [STRING], result: JSVAL }, - "js.fromBigInt": { argTypes: [BIGINT_T], result: JSVAL }, - "js.toF64": { argTypes: [JSVAL], result: F64 }, - "js.add": { argTypes: [JSVAL, JSVAL], result: JSVAL }, - "js.arithmetic": { argTypes: [JSVAL, JSVAL, STRING], result: JSVAL }, - "js.bitwise": { argTypes: [JSVAL, JSVAL, STRING], result: JSVAL }, - "js.compare": { argTypes: [JSVAL, JSVAL, STRING], result: BOOL }, - "js.toNumeric": { argTypes: [JSVAL], result: JSVAL }, - "js.increment": { argTypes: [JSVAL, BOOL], result: JSVAL }, - "js.toNumberCoerce": { argTypes: [JSVAL], result: F64 }, - // Always throws; the result is the READ's declared type (a typed dummy - // the unwind abandons) — the libCall case skips the result check. - /** A read of a `declare`d const NOTHING defines (the bundler-define - * pattern — __VERSION__): always throws the catchable ReferenceError - * Node raises at the access (" is not defined"). args[0] is the - * name; the result type is the read's declared type (a typed dummy the - * unwind abandons — the value never exists). */ - "global.undefRead": { argTypes: [STRING], result: VOID }, - "console.native": { argTypes: [], result: DYN }, - /** node:console Console instances (scr_console_native.c): new mints the - * handle over the stdout/stderr fds (1/2; 0 = a stream binds next) and - * the ignoreErrors flag; bind attaches a borrowed writable stream to - * target 0 (stdout) or 1 (stderr); write prints `text\n` to the - * selected target of an instance or the global console handle. */ - "console.new": { argTypes: [F64, F64, BOOL], result: DYN }, - "console.bind": { argTypes: [DYN, F64, null], result: VOID }, - "console.write": { argTypes: [DYN, STRING, BOOL], result: VOID }, - /** The global console's remaining members (scr_console_native.c; the - * group indentation itself lives with the writers in scr_console.c). - * Arguments are borrowed; string results are owned. noop is the - * emitter-dropped tail of a lowering whose effects sit in statements. - * label is `${label}` over a defaulted label (undefined -> "default"; - * a Symbol throws Node's TypeError). count prints "label: n". - * countReset answers the warning text for an unknown (or non-string) - * label, "" otherwise. time answers the duplicate-label warning text - * or ""; timeEnd/timeLog answer Node's formatted elapsed time, or "" - * for an unknown label (timeEnd drops the timer). group adds (+1) or - * removes (-1) one two-space indentation step. clear writes the - * cursor-home and erase-down sequences when stdout is a terminal. - * table renders and prints Node's table for a dyn value (undefined - * properties = all). dirDyn is console.dir's inspect of a dyn value - * (custom inspection off: a Buffer anywhere inside throws the fence). */ - "console.noop": { argTypes: [], result: VOID }, - "console.label": { argTypes: [DYN], result: STRING }, - "console.count": { argTypes: [STRING], result: VOID }, - "console.countReset": { argTypes: [DYN], result: STRING }, - "console.time": { argTypes: [STRING], result: STRING }, - "console.timeEnd": { argTypes: [STRING], result: STRING }, - "console.timeLog": { argTypes: [STRING], result: STRING }, - "console.group": { argTypes: [F64], result: VOID }, - "console.clear": { argTypes: [], result: VOID }, - "console.table": { argTypes: [DYN, DYN], result: VOID }, - "console.dirDyn": { argTypes: [DYN, F64], result: STRING }, - /** A native reference to the global object; known names retain value fences. */ - "global.native": { argTypes: [arrayOf(STRING)], result: DYN }, - // `X.name` through a class value: the arg is a program-dependent - // classval (a null slot; the libCall case checks the kind). - /** `X.name` through a class VALUE (scr_object.c): args[0] is a borrowed - * classval; the result is the class object's stored .name string, - * retained (+1 — the string is an interned immortal, so the retain is a - * no-op, kept for ownership uniformity). Never throws. A direct - * `C.name` on the class name itself folds to a strLit instead. */ - "class.name": { argTypes: [null], result: STRING }, - "error.ctor": { argTypes: [null, STRING], result: VOID }, - "error.toString": { argTypes: [null], result: STRING }, - /** SameValue over checked values, including NaN, signed zero and reference identity. */ - "dyn.sameValue": { argTypes: [DYN, DYN], result: BOOL }, - "error.stack": { argTypes: [null], result: STRING }, - "error.setStack": { argTypes: [null, STRING], result: VOID }, - "error.stackLimitGet": { argTypes: [], result: F64 }, - "error.stackLimitSet": { argTypes: [F64], result: VOID }, - // Receiver (any error-hierarchy object) and the program-dependent - // `string | undefined` result are checked in the libCall case. - /** NodeJS.ErrnoException's `.code` read: borrowed error-hierarchy - * receiver → the interned `string | undefined` union (type-directed - * construction in the backend, the process.envGet pattern) — the errno - * name where a throw site stamped one (fs, exec spawn/timeout, - * process.kill, the spawn 'error' event), the undefined arm everywhere - * else. Never throws. */ - "error.code": { argTypes: [null], result: VOID }, - // DOMException: construction takes the two dyn args (WebIDL's - // resolution runs in the runtime); the %DOMException result is a - // program-dependent object type, checked in the libCall case. The - // read surface takes the %DOMException receiver (a null slot — the - // libCall case checks the class name). - /** `new DOMException(message?, nameOrOptions?)` (scr_error.c): both args - * are borrowed dyn values (the lowering passes the dyn undefined for an - * absent argument, so WebIDL's optionality lives in one place). The - * runtime ToStrings the message ("" for absent/undefined), resolves the - * name — absent/undefined → "Error", a non-null object → ToString of its - * `name` member plus the `cause` own-property record, anything else → - * ToString — and stamps the legacy code from the WebIDL name table (0 - * off-table). Result is an owned (+1) %DOMException. Never throws (dyn - * ToString is total). */ - "error.newDom": { argTypes: [DYN, DYN], result: VOID }, - /** DOMException's own read surface (scr_error.c; %DOMException receivers - * only — borrowed). domCode: the legacy numeric code. domHasCause: the - * options form's own-property record (`'cause' in e`). domCause: the - * cause value, +1 (the dyn undefined when absent — matching Node's - * undefined read). None throws. */ - "error.domCode": { argTypes: [null], result: F64 }, - "error.domHasCause": { argTypes: [null], result: BOOL }, - "error.domCause": { argTypes: [null], result: DYN }, - /** structuredClone of a %DOMException receiver (scr_error.c): WebIDL - * serialization — name/message copy, the legacy code re-derives, cause - * does not serialize. args are the borrowed receiver and the borrowed - * options dyn value (the dyn undefined when absent — the shared - * validation throws Node's exact option errors; any non-empty transfer - * list throws DataCloneError, nothing static is transferable). Result - * +1 %DOMException. */ - "error.domClone": { argTypes: [null, DYN], result: VOID }, - /** `new AggregateError(errors, message?, options?)` (scr_json.c), in - * spec order: newAggregate installs the message and cause (both dyn, - * borrowed — the message conversion can throw) and returns an owned - * %AggregateError; aggregateSetErrors then stores the iterated list - * (borrowed receiver, the dyn array borrowed and retained). - * aggregateErrors reads the list (+1, the same array every read). */ - "error.newAggregate": { - argTypes: [DYN, DYN], - result: { kind: "object", className: "%AggregateError" }, - }, - "error.aggregateSetErrors": { argTypes: [null, DYN], result: VOID }, - "error.aggregateErrors": { argTypes: [null], result: DYN }, - /** `new SuppressedError(error, suppressed, message?)` (scr_json.c): all - * three dyn and borrowed; the message conversion can throw. Returns an - * owned %SuppressedError. */ - "error.newSuppressed": { - argTypes: [DYN, DYN, DYN], - result: { kind: "object", className: "%SuppressedError" }, - }, - /** `d instanceof TypeError` (and the other BUILTIN error classes) on a - * checked-dynamic value (scr_json.c): the from_error cache holds the - * dyn↔error identity edge, so the test resolves the runtime error and - * asks its vtable's stamped preorder interval — exact for every error - * that crossed the boundary. A dyn object that never came from an - * error (a hand-built {%error} literal) answers false: subclass - * identity is unknowable there (the root keeps dynTest's marker - * answer). args are the borrowed dyn and the SCR_ERR_* kind literal. - * Never throws. */ - "dyn.errInstanceof": { argTypes: [DYN, F64], result: BOOL }, - "weakMap.is": { argTypes: [DYN], result: BOOL }, - "weakSet.is": { argTypes: [DYN], result: BOOL }, - "weakMap.new": { argTypes: [DYN], result: DYN }, - "weakSet.new": { argTypes: [DYN], result: DYN }, - "finalizationRegistry.new": { argTypes: [DYN], result: DYN }, - "finalizationRegistry.is": { argTypes: [DYN], result: BOOL }, - "dyn.fromEntries": { argTypes: [DYN], result: DYN }, - "bytes.constructor": { argTypes: [STRING], result: DYN }, - "bytes.instanceOf": { argTypes: [DYN, DYN, STRING], result: BOOL }, - "bytes.construct": { argTypes: [DYN, DYN, STRING], result: DYN }, - /** The ambient receiver — JS `this` in a plain (non-method) function - * body: the innermost binding the current firing/dispatch window - * pushed (Node's listener receiver, a dyn OBJ method's object, an - * apply/call thisArg), or the undefined dyn singleton with none bound - * (the strict-mode plain-call answer, the old constant). Zero args → - * dyn (+1). Never throws. */ - "dyn.dataViewIs": { argTypes: [DYN], result: BOOL }, - "dyn.construct": { argTypes: [DYN, DYN, STRING], result: DYN }, - "arrayBuffer.constructor": { argTypes: [], result: DYN }, - "sharedArrayBuffer.new": { argTypes: [DYN], result: DYN }, - "sharedArrayBuffer.is": { argTypes: [DYN], result: BOOL }, - "arrayBuffer.new": { argTypes: [DYN], result: DYN }, - "ffi.argument": { argTypes: [DYN, STRING], result: DYN }, - "ffi.memoryModule": { argTypes: [DYN], result: DYN }, - "intl.segmenterNew": { argTypes: [], result: DYN }, - "intl.segmenterRefusing": { argTypes: [STRING], result: DYN }, - "arrayBuffer.is": { argTypes: [DYN], result: BOOL }, - "arrayBuffer.isView": { argTypes: [DYN], result: BOOL }, - "arrayBuffer.byteLengthGetter": { argTypes: [], result: F64 }, - "arrayBuffer.byteLengthDescriptor": { argTypes: [DYN], result: DYN }, - "arrayBuffer.viewU8C": { argTypes: [DYN, DYN, DYN], result: bytesOf("u8c") }, - "arrayBuffer.viewI8": { argTypes: [DYN, DYN, DYN], result: bytesOf("i8") }, - "arrayBuffer.viewU16": { argTypes: [DYN, DYN, DYN], result: bytesOf("u16") }, - "arrayBuffer.viewI16": { argTypes: [DYN, DYN, DYN], result: bytesOf("i16") }, - "arrayBuffer.viewU8": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, - "arrayBuffer.viewU32": { argTypes: [DYN, DYN, DYN], result: bytesOf("u32") }, - "arrayBuffer.viewI32": { argTypes: [DYN, DYN, DYN], result: bytesOf("i32") }, - "arrayBuffer.viewF16": { argTypes: [DYN, DYN, DYN], result: bytesOf("f16") }, - "arrayBuffer.viewF32": { argTypes: [DYN, DYN, DYN], result: bytesOf("f32") }, - "arrayBuffer.viewF64": { argTypes: [DYN, DYN, DYN], result: bytesOf("f64") }, - "arrayBuffer.viewDV": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, - /** Object.keys/values/entries over a CHECKED-DYNAMIC receiver - * (scr_json.c): the runtime walks the dyn node's own members in JS - * own-key order (array-index keys ascending first, then insertion - * order) and answers a dyn array (entries: an array of [key, value] - * pairs; values RETAIN the member nodes — reference semantics, like - * JS). Strings/arrays/bytes answer their index keys; other scalars an - * empty array; null/undefined throw Node's catchable TypeError - * ("Cannot convert undefined or null to object"). */ - "dyn.objKeys": { argTypes: [DYN], result: DYN }, - "dyn.forInKeys": { argTypes: [DYN], result: DYN }, - "dyn.forInKeyStrings": { argTypes: [DYN], result: arrayOf(STRING) }, - "dyn.forInStable": { argTypes: [DYN], result: BOOL }, - "dyn.objKeyStrings": { argTypes: [DYN], result: arrayOf(STRING) }, - /** Object.entries as a native [string, any][] (VOID: the tuple row's - * shape is program-dependent; the validator checks it). */ - "dyn.objEntryPairs": { argTypes: [DYN], result: VOID }, - "dyn.hasOwn": { argTypes: [DYN, STRING], result: BOOL }, - "dyn.propertyIsEnumerable": { argTypes: [DYN, STRING], result: BOOL }, - "dyn.assign": { argTypes: [DYN, DYN], result: DYN }, - "dyn.copyDataProperties": { argTypes: [DYN, DYN], result: DYN }, - "dyn.objectRest": { argTypes: [DYN, DYN], result: DYN }, - /** Variadic Object.assign over CHECKED-DYNAMIC targets (`Object.assign( - * {}, ...arr.map(f), tail)` — the option-table merge): the lowering - * builds one fresh dyn pack of sources (packPush retains a plain source - * in; packPushSpread flattens a spread source through the spread-call - * walk — V8's exact TypeError texts, the string arg spelling the spread - * expression for the nullish form), so every source evaluates and - * flattens BEFORE any copying (JS's ArgumentListEvaluation), then - * assignAll copies each pack element's own enumerable keys onto the - * target left to right and answers the TARGET (+1) — identity, like JS. - * assignAll throws Node's ToObject TypeError on a nullish target. */ - "dyn.packPush": { argTypes: [DYN, DYN], result: VOID }, - "dyn.packPushSpread": { argTypes: [DYN, DYN, STRING], result: VOID }, - /** The iterated-path spread twin: V8 spells the optimized apply-path - * texts (packPushSpread's — the expression named for nullish sources) - * only for the SINGLE LAST argument's spread; any other spread position - * drives the real iterator protocol, whose failure describes the VALUE - * ("object null is not iterable (cannot read property - * Symbol(Symbol.iterator))"). The frontend picks by position. */ - "dyn.packPushSpreadIter": { argTypes: [DYN, DYN], result: VOID }, - "dyn.reflectApply": { argTypes: [DYN, DYN, DYN], result: DYN }, - "dyn.reflectGet": { argTypes: [DYN, DYN, DYN], result: DYN }, - /** `using` / `await using` with a dyn value (scr_json.c): usingMethod - * runs the declaration's checks and answers what usingDispose calls at - * scope exit (undefined for a null or undefined value). The bool selects - * `await using`. Both throw Node's TypeErrors or the method's error. */ - "dyn.usingMethod": { argTypes: [DYN, BOOL], result: DYN }, - "dyn.usingDispose": { argTypes: [DYN, DYN], result: DYN }, - /** DisposableStack (scr_symbol.c): a new stack handle; whether a value is - * one; and `stack.use(value)` for a class instance, registering the - * compiler's disposal function for it. The last throws Node's - * ReferenceError on a disposed stack. */ - "disposable.stackNew": { argTypes: [], result: DYN }, - "disposable.stackIs": { argTypes: [DYN], result: BOOL }, - "disposable.stackUseCallback": { argTypes: [DYN, DYN, DYN], result: BOOL }, - "dyn.reflectSet": { argTypes: [DYN, DYN, DYN, DYN], result: BOOL }, - "dyn.reflectDefine": { argTypes: [DYN, DYN, DYN], result: BOOL }, - "dyn.abstractEq": { argTypes: [DYN, DYN], result: BOOL }, - "dyn.assignAll": { argTypes: [DYN, DYN], result: DYN }, + "math.trunc": { argTypes: [F64], result: F64 }, + "math.ceil": { argTypes: [F64], result: F64 }, + "math.sin": { argTypes: [F64], result: F64 }, + "math.sinh": { argTypes: [F64], result: F64 }, + "math.cos": { argTypes: [F64], result: F64 }, + "math.cosh": { argTypes: [F64], result: F64 }, + "math.tan": { argTypes: [F64], result: F64 }, + "math.tanh": { argTypes: [F64], result: F64 }, + "math.asin": { argTypes: [F64], result: F64 }, + "math.asinh": { argTypes: [F64], result: F64 }, + "math.acos": { argTypes: [F64], result: F64 }, + "math.acosh": { argTypes: [F64], result: F64 }, + "math.atan": { argTypes: [F64], result: F64 }, + "math.atanh": { argTypes: [F64], result: F64 }, + "math.cbrt": { argTypes: [F64], result: F64 }, + "math.clz32": { argTypes: [F64], result: F64 }, + /** Return -1, +1, or the original NaN/zero. In particular, -0 remains -0. */ + "math.sign": { argTypes: [F64], result: F64 }, + "math.exp": { argTypes: [F64], result: F64 }, + "math.expm1": { argTypes: [F64], result: F64 }, + "math.f16round": { argTypes: [F64], result: F64 }, + "math.fround": { argTypes: [F64], result: F64 }, + "math.sqrt": { argTypes: [F64], result: F64 }, + "math.log": { argTypes: [F64], result: F64 }, + "math.log1p": { argTypes: [F64], result: F64 }, + "math.log2": { argTypes: [F64], result: F64 }, + "math.log10": { argTypes: [F64], result: F64 }, + "math.atan2": { argTypes: [F64, F64], result: F64 }, + "math.pow": { argTypes: [F64, F64], result: F64 }, + "math.imul": { argTypes: [F64, F64], result: F64 }, + /** `Math.min(a, b)` / `Math.max(a, b)` — the two-argument scalar forms + * (scr_lib.c), JS-exact like the Arr folds: NaN poisons, max prefers +0 + * over -0 (min the reverse). C fmin/fmax are NOT these (they drop NaN). + * Never throw. */ + "math.min": { argTypes: [F64, F64], result: F64 }, + "math.max": { argTypes: [F64, F64], result: F64 }, + /** `Math.random()` — a uniform double in [0,1) with the spec's 53-bit + * granularity, drawn from arc4random_buf (the CSPRNG behind the crypto + * lowerings). Same distribution as Node, NECESSARILY different sequence + * (SEMANTICS.md 62 — no seeded sequence exists to match). Never throws. */ + "math.random": { argTypes: [], result: F64 }, + /** The static global parsers/tests (scr_string.c). num.parseInt is + * ECMA-262 19.2.5 exactly — JS whitespace, sign, ToInt32 radix (the + * frontend completes an omitted radix to 0 = the spec's "undefined": + * base 10 with the 0x hex escape), longest digit prefix, and the exact + * mathematical value correctly rounded (u64 fast path, bignum beyond — + * overflow is ±Infinity). num.isNaN is the NaN self-test on an + * already-number argument (tsc pins the argument to number, so no + * ToNumber coercion exists to model). Borrow; never throw. */ + "num.parseInt": { argTypes: [STRING, F64], result: F64 }, + /** ES parseFloat (scr_string.c): the longest StrDecimalLiteral prefix + * of the trimmed input (no hex, "Infinity" exact-case), NaN when none — + * ECMA-262 19.2.4 over a string argument (non-string arguments keep the + * fence: Node would ToNumber-coerce). Borrows; never throws. */ + "num.parseFloat": { argTypes: [STRING], result: F64 }, + /** `a.localeCompare(b)`: -1/0/1 in Node's root-locale collation for + * Latin-script text (scr_str_locale_compare). Never throws. */ + "str.localeCompare": { argTypes: [STRING, STRING], result: F64 }, + /** Annex B substr(start, length) with start ToNumber'd and length's + * presence; never throws. */ + "str.substr": { argTypes: [STRING, F64, F64, BOOL], result: STRING }, + /** toLocaleLowerCase/toLocaleUpperCase (scr_regex.c): the locales value + * as written, upper=true for toLocaleUpperCase. Throws for null and for + * locale forms with no native rules. */ + "str.localeCase": { argTypes: [STRING, DYN, BOOL], result: STRING }, + "str.replaceLiteral": { argTypes: [STRING, STRING, STRING, BOOL], result: STRING }, + // (subject, characters, NUL-separated replacement texts): the fused + // chain of global one-character replacements. + "str.replaceChars": { argTypes: [STRING, STRING, STRING], result: STRING }, + /* ToNumber(string) — ECMA-262 7.1.4.1 StringToNumber (scr_string.c): + * trim the JS StrWhiteSpace set, empty/whitespace-only → +0, then the + * whole span must be one StrNumericLiteral — signed decimal (Infinity + * included, strtod-over-validated-span correct rounding) or unsigned + * 0x/0o/0b (exact value, nearest-even; signed forms are NaN) — with + * any trailing garbage answering NaN. Number(aString), unary + on + * strings, and util.format %d over strings lower here. Borrows; never + * throws. */ + "num.fromString": { argTypes: [STRING], result: F64 }, + "num.isNaN": { argTypes: [F64], result: BOOL }, + /** The static URI component codecs (scr_string.c), ECMA-262 Encode/ + * Decode with the component sets over the runtime's UTF-8 strings. + * str.encodeUriComponent percent-encodes every byte outside the + * unreserved component set (ALPHA/DIGIT/- _ . ! ~ * ' ( )) as uppercase + * %XX — the spec's per-code-point UTF-8 encoding IS a byte scan here — + * and THROWS the spec's URIError ("URI malformed") on a lone surrogate. + * str.decodeUriComponent + * decodes %XX escapes bytewise (raw non-escape bytes copy through) and + * requires the escaped bytes to form strictly valid UTF-8 (overlong + * forms, surrogate code points, and >U+10FFFF refused, per UTF8-decode + * without replacement); bad hex or an invalid sequence THROWS the + * spec's URIError ("URI malformed"), catchable. Borrow; results +1. */ + "str.encodeUriComponent": { argTypes: [STRING], result: STRING }, + // The base64 globals: the argument is a dyn value (WebIDL ToString + // runs in the runtime); the zero-argument form always throws. + /** The WHATWG base64 globals (scr_string.c), Node-global since v16. + * Arguments are borrowed dyn values — WebIDL ToString runs in the + * runtime over the dyn kind (String(null) is "null": the html spec's + * coercion, which Node's atob(null) exercises). str.atob decodes + * forgiving-base64 (ASCII whitespace stripped, %4==0 strips up to two + * '=', %4==1 refuses, leftover bits discarded) into the latin1 code + * points as a string; a malformed input THROWS the catchable + * DOMException InvalidCharacterError ("The string to be decoded is not + * correctly encoded."). str.btoa encodes the string's code points as + * base64; any code point over U+00FF THROWS InvalidCharacterError + * ("Invalid character"). str.b64Missing is the zero-argument call of + * either: always throws Node's TypeError [ERR_MISSING_ARGS] "The + * \"input\" argument must be specified". Results +1. */ + "str.atob": { argTypes: [DYN], result: STRING }, + "str.btoa": { argTypes: [DYN], result: STRING }, + "str.b64Missing": { argTypes: [], result: STRING }, + "str.decodeUriComponent": { argTypes: [STRING], result: STRING }, + "str.decodeUri": { argTypes: [STRING], result: STRING }, + /** encodeURI: the same Encode() keeping the reserved set and '#' + * unescaped — throwing like the component encoder. Borrow; result +1. */ + "str.encodeUri": { argTypes: [STRING], result: STRING }, + /** RegExp.escape (ES2025): per-code-point EncodeForRegExpEscape — + * leading ASCII alphanumeric hex-escapes, syntax characters and '/' + * take a backslash, other punctuators/whitespace/line terminators + * hex-escape, the rest passes through. Total; borrows; result +1. */ + "regexp.escape": { argTypes: [STRING], result: STRING }, + /** Number.prototype formatters (scr_lib.c), JS-exact: + * num.toExponential is toExponential() with the spec's "as many digits + * as necessary"; num.toFixed0 is the non-throwing omitted-argument + * toFixed() fast path; num.toFixed implements an explicit fractionDigits + * with exact binary-value rounding and THROWS RangeError outside 0..100. + * Successful results +1. */ + "num.toExponential": { argTypes: [F64], result: STRING }, + "num.toFixed0": { argTypes: [F64], result: STRING }, + "num.toFixed": { argTypes: [F64, F64], result: STRING }, + /** toPrecision(precision) with the argument ToNumber'd and its presence + * (undefined answers ToString); toExponential with a DEFINED + * fractionDigits. Both throw V8's RangeError for out-of-range digits. */ + "num.toPrecision": { argTypes: [F64, F64, BOOL], result: STRING }, + "num.toExponentialDigits": { argTypes: [F64, F64], result: STRING }, + "num.toStringRadix": { argTypes: [F64, DYN], result: STRING }, + /** toString(radix) with a number radix (scr_lib.c): truncates it as + * ToIntegerOrInfinity does, THROWS RangeError outside 2..36. */ + "num.toStringRadixF64": { argTypes: [F64, F64], result: STRING }, + /** Object.is over two numbers — the spec's SameValue on doubles: NaN + * equals NaN, +0 differs from -0, everything else is `===`. Plain bool + * result; never throws. (Union-armed operands take unionEq's sameValue + * flag instead — this is the both-f64 fast path.) */ + "num.sameValue": { argTypes: [F64, F64], result: BOOL }, + /** `new Intl.NumberFormat("en-US").format(x)` and + * `x.toLocaleString("en-US")` with DEFAULT options — the one locale + * whose data the runtime embeds (Node's default-build locale): decimal + * notation, 0–3 fraction digits rounded half-up on the SHORTEST + * round-tripping decimal (ICU's rounding input, probed vs Node — + * format(1.0005) is "1.001" though toFixed(3) answers "1.000"), "," + * grouping every three integer digits, "∞"/"NaN" texts, and "-0" for + * negative inputs rounding to zero. Result +1; never throws. */ + "intl.numFormatEnUs": { argTypes: [F64], result: STRING }, + /** ES Symbol values (scr_symbol.c — link-gated by moduleUsesSymbol). + * sym.new: `Symbol(desc)` — a fresh runtime-unique identity (+1) whose + * one arg is the description string (borrowed); sym.newAnon is the + * description-less `Symbol()` form. sym.for: the Symbol.for global + * registry — one interned symbol per key (borrowed), +1 on every call. + * sym.toString: "Symbol(desc)" (+1 string; "Symbol()" when absent). + * sym.desc / sym.keyFor answer the interned `string | undefined` union + * (the runtime returns +1-or-NULL; the backend builds the union arms — + * the child.stdout pattern). None of these throw. */ + "sym.new": { argTypes: [STRING], result: SYMBOL_T }, + "sym.newAnon": { argTypes: [], result: SYMBOL_T }, + "sym.for": { argTypes: [STRING], result: SYMBOL_T }, + "sym.wellKnown": { argTypes: [STRING], result: SYMBOL_T }, + // Result is the interned `string | undefined` union — the libCall case + // checks the arms (the spawnRes.error pattern). + "sym.keyFor": { argTypes: [SYMBOL_T], result: VOID }, + "sym.desc": { argTypes: [SYMBOL_T], result: VOID }, + "sym.toString": { argTypes: [SYMBOL_T], result: STRING }, + /** Engine-free arbitrary-precision bigint operations (scr_bigint.c). + * parse accepts the ECMAScript BigInt string grammar; fromF64 accepts + * finite integral Numbers. Arithmetic returns fresh immutable values. + * cmp returns -1/0/1 as f64; toString accepts a numeric radix. */ + "bigint.parse": { argTypes: [STRING], result: BIGINT_T }, + "bigint.fromF64": { argTypes: [F64], result: BIGINT_T }, + "bigint.neg": { argTypes: [BIGINT_T], result: BIGINT_T }, + "bigint.not": { argTypes: [BIGINT_T], result: BIGINT_T }, + "bigint.add": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.sub": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.mul": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.div": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.mod": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.pow": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.and": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.or": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.xor": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.shl": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.shr": { argTypes: [BIGINT_T, BIGINT_T], result: BIGINT_T }, + "bigint.eq": { argTypes: [BIGINT_T, BIGINT_T], result: BOOL }, + "bigint.eqString": { argTypes: [BIGINT_T, STRING], result: BOOL }, + "bigint.cmp": { argTypes: [BIGINT_T, BIGINT_T], result: F64 }, + "bigint.cmpNumber": { argTypes: [BIGINT_T, F64], result: F64 }, + "bigint.truthy": { argTypes: [BIGINT_T], result: BOOL }, + "bigint.toString": { argTypes: [BIGINT_T, F64], result: STRING }, + "bigint.inspect": { argTypes: [BIGINT_T], result: STRING }, + "bigint.toF64": { argTypes: [BIGINT_T], result: F64 }, + "bigint.asUintN": { argTypes: [F64, BIGINT_T], result: BIGINT_T }, + "bigint.asIntN": { argTypes: [F64, BIGINT_T], result: BIGINT_T }, + "bigint.bufferRead": { argTypes: [BYTES_U8, F64, BOOL, BOOL], result: BIGINT_T }, + "bigint.bufferWrite": { argTypes: [BYTES_U8, BIGINT_T, F64, BOOL, BOOL], result: F64 }, + "bigint.dataViewGet": { argTypes: [BYTES_U8, F64, BOOL, BOOL], result: BIGINT_T }, + "bigint.dataViewSet": { argTypes: [BYTES_U8, F64, BIGINT_T, BOOL], result: VOID }, + /** node:url + the URL class (scr_url.c). url.new parses one absolute + * URL string into a mutable URL value (+1) — invalid input THROWS a + * catchable TypeError ("Invalid URL"), like Node's constructor. The + * getters (borrowed receiver, +1 string) never throw; url.href doubles + * as toString(). fileURLToPath has one libFn per receiver form (URL + * value / string) — both THROW Node's TypeErrors on non-file schemes, + * encoded slashes, and non-empty hosts. url.pathToFileURL resolves the + * path (getcwd) and never throws. */ + "url.new": { argTypes: [STRING], result: URL_T }, + "url.newBase": { argTypes: [STRING, STRING], result: URL_T }, + /** Factories consume already-converted input/base strings. canParse + * answers a boolean; parse returns a checked native URL or null (+1). + * Parser failures are suppressed; conversion occurs before these calls. */ + "url.canParse": { argTypes: [STRING], result: BOOL }, + "url.canParseBase": { argTypes: [STRING, STRING], result: BOOL }, + "url.parse": { argTypes: [STRING], result: DYN }, + "url.parseBase": { argTypes: [STRING, STRING], result: DYN }, + "url.protocol": { argTypes: [URL_T], result: STRING }, + "url.origin": { argTypes: [URL_T], result: STRING }, + "url.username": { argTypes: [URL_T], result: STRING }, + "url.password": { argTypes: [URL_T], result: STRING }, + "url.host": { argTypes: [URL_T], result: STRING }, + "url.hostname": { argTypes: [URL_T], result: STRING }, + "url.port": { argTypes: [URL_T], result: STRING }, + "url.pathname": { argTypes: [URL_T], result: STRING }, + "url.href": { argTypes: [URL_T], result: STRING }, + /** Selected component writes borrow the receiver and converted string. + * href replaces its parsed fields while retaining cached params identity. */ + "url.set": { argTypes: [URL_T, STRING, STRING], result: VOID }, + "url.setChecked": { argTypes: [URL_T, STRING, DYN], result: VOID }, + "url.fileURLToPathUrl": { argTypes: [URL_T], result: STRING }, + /** fileURLToPathUrl as a value: the path string, or the error it would + * throw (fs.existsSync and fs.promises URL paths). Never throws. */ + "url.fileURLToPathValue": { argTypes: [URL_T], result: DYN }, + /** getValidatedPath's null-byte check on a string path, and + * readFileSync's encoding check: what Node validates before it converts + * a later URL path. (path, argument name) and (encoding). */ + "fs.checkPath": { argTypes: [STRING, STRING], result: VOID }, + "fs.checkReadEncoding": { argTypes: [STRING], result: VOID }, + "url.fileURLToPathChecked": { argTypes: [DYN], result: STRING }, + "url.fileURLToPathOptions": { argTypes: [DYN, DYN], result: STRING }, + /** node:url's legacy API (scr_url_legacy.c): parse(url, parseQueryString, + * slashesDenoteHost) answers the checked-dynamic Url instance; format + * takes the urlObject (a Url-shaped object, a string, or a URL) and the + * URL form's options; resolve takes (from, to). The trailing bool says + * whether the call site emits DEP0169. domainToASCII/domainToUnicode + * take the domain and whether it was omitted. Node's validation errors + * throw catchably. */ + "url.legacyParse": { argTypes: [DYN, DYN, DYN, BOOL], result: DYN }, + "url.legacyFormat": { argTypes: [DYN, DYN, BOOL], result: STRING }, + "url.legacyResolve": { argTypes: [DYN, DYN, BOOL], result: STRING }, + "url.domainToASCII": { argTypes: [DYN, BOOL], result: STRING }, + "url.domainToUnicode": { argTypes: [DYN, BOOL], result: STRING }, + /** url.urlToHttpOptions over a checked-dynamic argument: a URL answers + * Node's null-prototype options object; a primitive or null throws + * ERR_INVALID_ARG_TYPE. */ + "url.toHttpOptions": { argTypes: [DYN], result: DYN }, + /** node:punycode (scr_url.c): punycode.js 2.1.0's string conversions; + * decode/toUnicode (and, past 32-bit deltas, encode/toASCII) throw the + * module's RangeErrors, ucs2Encode String.fromCodePoint's. warn marks the + * module's first load (scr_async_dyn.c) and reports DEP0040 then unless + * the second argument is false: at once for a static ES import, on the + * next tick for a require() call. */ + "punycode.decode": { argTypes: [STRING], result: STRING }, + "punycode.encode": { argTypes: [STRING], result: STRING }, + "punycode.toASCII": { argTypes: [STRING], result: STRING }, + "punycode.toUnicode": { argTypes: [STRING], result: STRING }, + "punycode.ucs2Decode": { argTypes: [STRING], result: arrayOf(F64) }, + "punycode.ucs2Encode": { argTypes: [arrayOf(F64)], result: STRING }, + "punycode.warn": { argTypes: [BOOL, BOOL], result: VOID }, + "url.fileURLToPathBuffer": { argTypes: [DYN, DYN], result: BYTES_U8 }, + "url.pathToFileURLChecked": { argTypes: [DYN, DYN], result: URL_T }, + "url.fileURLToPathStr": { argTypes: [STRING], result: STRING }, + "url.pathToFileURL": { argTypes: [STRING], result: URL_T }, + /** Explicit path syntax from the options.windows argument, independent + * of the executable's host platform. Windows UNC input can throw. */ + "url.pathToFileURLPlatform": { argTypes: [STRING, BOOL], result: URL_T }, + /** pathToFileURL under a win32 TARGET: the same scr_url_from_path call + * (the runtime selects the win32 arm by _WIN32), but a distinct IR name + * because that arm THROWS for malformed UNC inputs — may-throw seeds on + * it while posix pathToFileURL emission stays byte-identical. */ + "url.pathToFileURLWin32": { argTypes: [STRING], result: URL_T }, + /** URLSearchParams (scr_url.c — always linked with the url unit). + * Construction: sp.new (empty), sp.parse (one borrowed init string — + * a single leading '?' strips, Node's constructor), sp.copy (snapshot + * of another list), sp.fromPairs (a string[][] value — THROWS Node's + * ERR_INVALID_TUPLE TypeError on a non-[name, value] row; the one + * throwing entry in the family), sp.with (the record-literal init + * desugar: append one pair, answer the same list +1 — chains fold + * `new URLSearchParams({...})` into nested calls). url.searchParams + * answers the URL's LIVE cached view (+1, one identity per URL); + * url.search is the WHATWG search getter ("" for no/empty query). + * Methods mirror the WHATWG surface: sp.get answers +1-or-NULL (the + * sym.desc union pattern, null arm), sp.getAll a fresh string[]; + * sp.append/sp.set/sp.delete/sp.deleteValue/sp.sort mutate and + * re-serialize a live view's URL query; sp.has/sp.hasValue answer + * bools; sp.size/sp.toString are pure reads. sp.keyAt/sp.valAt are + * the for-of/forEach desugar's index reads (live — the loop re-reads + * sp.size each pass). */ + "sp.new": { argTypes: [], result: SEARCH_PARAMS_T }, + "sp.newChecked": { argTypes: [DYN], result: SEARCH_PARAMS_T }, + "sp.parse": { argTypes: [STRING], result: SEARCH_PARAMS_T }, + "sp.copy": { argTypes: [SEARCH_PARAMS_T], result: SEARCH_PARAMS_T }, + // The pairs argument is string[][] — checked structurally in validate.ts (the + // generic array-of slot has no named constant here). + "sp.fromPairs": { argTypes: [null], result: SEARCH_PARAMS_T }, + "sp.with": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: SEARCH_PARAMS_T }, + "url.searchParams": { argTypes: [URL_T], result: SEARCH_PARAMS_T }, + "url.search": { argTypes: [URL_T], result: STRING }, + "url.hash": { argTypes: [URL_T], result: STRING }, + // Result is the interned `string | null` union — the libCall case + // checks the arms (the spawnRes.signal pattern). + "sp.get": { argTypes: [SEARCH_PARAMS_T, STRING], result: VOID }, + "sp.getAll": { argTypes: [SEARCH_PARAMS_T, STRING], result: arrayOf(STRING) }, + "sp.append": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: VOID }, + "sp.set": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: VOID }, + "sp.delete": { argTypes: [SEARCH_PARAMS_T, STRING], result: VOID }, + "sp.deleteValue": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: VOID }, + "sp.has": { argTypes: [SEARCH_PARAMS_T, STRING], result: BOOL }, + "sp.hasValue": { argTypes: [SEARCH_PARAMS_T, STRING, STRING], result: BOOL }, + "sp.sort": { argTypes: [SEARCH_PARAMS_T], result: VOID }, + "sp.size": { argTypes: [SEARCH_PARAMS_T], result: F64 }, + "sp.toString": { argTypes: [SEARCH_PARAMS_T], result: STRING }, + "sp.keyAt": { argTypes: [SEARCH_PARAMS_T, F64], result: STRING }, + "sp.valAt": { argTypes: [SEARCH_PARAMS_T, F64], result: STRING }, + // node:querystring. qs.parse's result is the call site's ParsedUrlQuery + // dictionary record (VOID is the networkInterfaces sentinel — the + // libCall case checks the structure); qs.stringify's object argument + // is a dyn value (the frontend dynFroms typed records). + /** node:querystring (scr_qs.c — link-gated by moduleUsesQs; NOT + * URLSearchParams: the legacy codec's escaping and '+' rules differ). + * qs.escape is Node's qsEscape, which encodes exactly the component + * unreserved set — it emits the always-linked scr_qs_escape, so + * escape-only programs never pull the unit. qs.unescape is Node's qsUnescape: strict decodeURIComponent + * first, the lenient legacy unescapeBuffer fallback on failure (never + * throws). qs.parse takes (str, sep, eq, maxKeys) — the frontend + * completes omitted/null sep/eq to "&"/"=" and the omitted maxKeys + * option to Node's 1000 (0 and negatives mean unlimited, Node's rule) — + * and its result type is the CALL SITE's mapped ParsedUrlQuery shape (a + * pure index-signature record over `string | string[]`, an undefined + * arm tolerated — @types/node's Dict), verified structurally by the + * frontend (lowerQuerystringParseCall); the emitters construct the + * record and hand its overflow map to scr_qs_parse_into with the two + * union tags. qs.stringify takes (obj, sep, eq) with obj a dyn value + * (the frontend dynFroms the typed record; JS-world dyn values pass + * through) — Node's encodeStringified rules run in the runtime, so + * arrays expand to repeated keys and null/undefined/nested objects are + * empty values. Custom encoder/decoder options fence at compile time. + * All borrow; string results +1; escape and stringify throw URIError + * [ERR_INVALID_URI] on a lone surrogate. */ + "qs.parse": { argTypes: [STRING, STRING, STRING, F64], result: VOID }, + "qs.stringify": { argTypes: [DYN, STRING, STRING], result: STRING }, + "qs.escape": { argTypes: [STRING], result: STRING }, + "qs.unescape": { argTypes: [STRING], result: STRING }, + /** node:util.parseArgs: one checked-dynamic config object in, one + * checked-dynamic ParsedResults tree out. Statically typed member reads + * validate their values when leaving that tree. The native parser may + * throw Node's coded validation/grammar TypeErrors. */ + "util.parseArgs": { argTypes: [DYN], result: DYN }, + "util.parseEnv": { argTypes: [DYN], result: DYN }, + "util.getSystemErrorName": { argTypes: [DYN], result: STRING }, + "util.getSystemErrorMessage": { argTypes: [DYN], result: STRING }, + "util.systemErrorEntries": { argTypes: [], result: DYN }, + "util.stripVTControlCharacters": { argTypes: [DYN], result: STRING }, + "util.toUSVString": { argTypes: [DYN], result: STRING }, + "util.isDeepStrictEqual": { argTypes: [DYN, DYN, DYN], result: BOOL }, + "util.styleText": { argTypes: [DYN, DYN, DYN], result: STRING }, + /** util.inherits/deprecate/callbackify/debuglog over checked-dynamic + * arguments (scr_util_callable.c). The function results are native dyn + * wrappers; call sites with a static function type check them back. */ + "util.inherits": { argTypes: [DYN, DYN], result: VOID }, + "util.inheritsPrototype": { argTypes: [DYN, DYN, DYN], result: VOID }, + "util.deprecate": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, + "util.isArrayDeprecated": { argTypes: [DYN], result: BOOL }, + "util.extend": { argTypes: [DYN, DYN], result: DYN }, + "util.signalExitCode": { argTypes: [DYN], result: F64 }, + "util.aborted": { argTypes: [DYN, DYN], result: DYN }, + "util.diff": { argTypes: [DYN, DYN], result: DYN }, + "util.debounce": { argTypes: [DYN, DYN, DYN], result: DYN }, + "util.throttle": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, + "mime.typeNew": { argTypes: [DYN, DYN], result: DYN }, + "mime.typeParse": { argTypes: [DYN], result: DYN }, + "mime.paramsNew": { argTypes: [], result: DYN }, + "mime.is": { argTypes: [DYN, F64], result: BOOL }, + "util.callbackify": { argTypes: [DYN], result: DYN }, + /** util.promisify over an untyped function value: a native dyn function + * whose calls answer a dyn promise the appended callback settles. */ + "util.promisifyDyn": { argTypes: [DYN], result: DYN }, + "util.debuglog": { argTypes: [DYN, DYN], result: DYN }, + "util.typeIs": { argTypes: [DYN, STRING], result: BOOL }, + "util.typeValue": { argTypes: [DYN, STRING], result: DYN }, + /** fs.statSync → a Stats value (may throw, like the other sync fs + * calls); the stats.* getters are pure reads on it. */ + "fs.statSync": { argTypes: [STRING], result: STATS_T }, + "fs.lstatSync": { argTypes: [STRING], result: STATS_T }, + // statSync / lstatSync(path, { throwIfNoEntry }): arg 1 is the flag. + // Result is the interned `Stats | undefined` union (the runtime answers + // +1-or-NULL; the backend builds the arms). + "fs.statProbeSync": { argTypes: [STRING, BOOL], result: VOID }, + "fs.lstatProbeSync": { argTypes: [STRING, BOOL], result: VOID }, + "fs.fstatSync": { argTypes: [F64], result: STATS_T }, + "fs.fchmodSync": { argTypes: [F64, F64], result: VOID }, + "fs.fsyncSync": { argTypes: [F64], result: VOID }, + "fs.fdatasyncSync": { argTypes: [F64], result: VOID }, + "fs.ftruncateSync": { argTypes: [F64, F64], result: VOID }, + "fs.utimesSync": { argTypes: [DYN, DYN, DYN], result: VOID }, + "fs.futimesSync": { argTypes: [DYN, DYN, DYN], result: VOID }, + "fs.lutimesSync": { argTypes: [DYN, DYN, DYN], result: VOID }, + "fs.readvSync": { argTypes: [F64, arrayOf(BYTES_U8), F64], result: F64 }, + "fs.writevSync": { argTypes: [F64, arrayOf(BYTES_U8), F64], result: F64 }, + "fs.linkSync": { argTypes: [DYN, DYN], result: VOID }, + "fs.symlinkSync": { argTypes: [DYN, DYN, DYN], result: VOID }, + /** fs.cpSync / fs/promises cp (scr_fs_cp.c): src, dest and options are + * dyn values the runtime validates in Node's order. */ + "fs.cpSync": { argTypes: [DYN, DYN, DYN], result: VOID }, + "fs.readlinkSync": { argTypes: [DYN, DYN], result: DYN }, + "fs.statfsSync": { argTypes: [DYN, DYN], result: DYN }, + "fs.readlinkSyncStr": { argTypes: [DYN, DYN], result: STRING }, + "fs.readlinkSyncBuffer": { argTypes: [DYN, DYN], result: BYTES_U8 }, + /** fs.openSync(path, flags) → the raw fd as f64; fs.readSync/fs.writeSync + * over Buffer windows perform sequential I/O when position is -1 and + * offset-preserving positioned I/O otherwise; fs.writeStrSync is the + * utf8 string twin; and fs.closeSync(fd) closes the descriptor. This is + * the fd slice behind spawn/log-processing forms. + * flags is Node's string + * grammar ("r", "w", "a" and the +/x variants; unknown flags throw + * Node's ERR_INVALID_ARG_VALUE TypeError text). All throw Node-shaped + * fs errors (openSync ENOENT/EACCES..., readSync EBADF/range errors, + * closeSync EBADF). */ + "fs.openSync": { argTypes: [STRING, STRING], result: F64 }, + "fs.openNumericSync": { argTypes: [STRING, F64, F64], result: F64 }, + "fs.readSync": { argTypes: [F64, BYTES_U8, F64, F64, F64], result: F64 }, + "fs.readSyncDyn": { argTypes: [DYN, DYN, DYN, DYN, DYN], result: F64 }, + "fs.writeSync": { argTypes: [F64, BYTES_U8, F64, F64, F64], result: F64 }, + "fs.writeStrSync": { argTypes: [F64, STRING, F64, STRING], result: F64 }, + // fs.watch's callback func type is program-dependent (zero params, or + // the eventType string) — the slot pins arity and the path/receiver. + /** fs.watch(path, listener?) → an FSWatcher handle (scr_watch.c — + * linked, and scr_watch_install() emitted, only when these appear on + * the IR; moduleUsesFsWatch is the switch). The path opens NOW — + * failure throws Node's fs error synchronously ("ENOENT: ..., watch + * 'x'", the polling-fallback catch shape) — and the unit's kqueue + * (EVFILT_VNODE) delivers "rename"/"change" through the loop's watch + * hook. The callback (nullable) MOVES in with an adapter per listener + * shape (zero-param, or the (eventType: string) form — runtime- + * provided); an open watcher keeps the loop alive until watcher.close() + * (idempotent, receiver borrowed, statement position only). */ + "fs.watch": { argTypes: [STRING], result: FSWATCHER_T }, + "fs.watchCb": { argTypes: [STRING, null], result: FSWATCHER_T }, + "watcher.close": { argTypes: [FSWATCHER_T], result: VOID }, + /** The composed `new crypto.X509Certificate(data).fingerprint` read + * (scr_lib.c — no certificate handle exists): the SHA-1 of the DER, + * uppercase colon-separated, over PEM or raw-DER Buffer input; other + * inputs throw Node's ERR_OSSL_PEM_NO_START_LINE Error (may-throw). */ + "crypto.x509Fingerprint": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509FingerprintStr": { argTypes: [STRING], result: STRING }, + /** The certificate's Validity window (validFrom / validTo reads — + * scr_lib.c's minimal ASN.1 walk to the TBSCertificate validity + * SEQUENCE): UTCTime and GeneralizedTime render in Node's exact + * ASN1_TIME_print shape ("Jul 1 00:00:00 2026 GMT" — %2d space-padded + * day). Same input contract and PEM error as the fingerprint pair + * (may-throw). */ + "crypto.x509ValidFrom": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509ValidFromStr": { argTypes: [STRING], result: STRING }, + "crypto.x509ValidTo": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509ValidToStr": { argTypes: [STRING], result: STRING }, + /** The certificate's DER as a fresh Buffer (the raw field), decoded + * once from the constructor's input; the same PEM error (may-throw). */ + "crypto.x509Raw": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "crypto.x509RawDer": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "crypto.x509RawStr": { argTypes: [STRING], result: BYTES_U8 }, + /** The remaining X509Certificate fields over that DER, in Node's + * renderings (scr_lib.c). subjectAltName, infoAccess and + * signatureAlgorithm answer "" where Node answers undefined. Borrowed; + * never throw. */ + "crypto.x509Subject": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509Issuer": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509SubjectAltName": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509InfoAccess": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509SerialNumber": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509Fingerprint256": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509Fingerprint512": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509Ca": { argTypes: [BYTES_U8], result: BOOL }, + "crypto.x509SignatureAlgorithm": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509SignatureAlgorithmOid": { argTypes: [BYTES_U8], result: STRING }, + /** X509Certificate methods over its raw DER. checkHost/checkEmail/checkIP + * answer the matching name or "" (undefined), checkIssued compares two + * certificates, x509Pem is toString's PEM (scr_x509.c); publicKey, + * verify and checkPrivateKey read keys (scr_pki.c). */ + "crypto.x509CheckHost": { argTypes: [BYTES_U8, DYN, DYN], result: STRING }, + "crypto.x509CheckEmail": { argTypes: [BYTES_U8, DYN, DYN], result: STRING }, + "crypto.x509CheckIP": { argTypes: [BYTES_U8, DYN, DYN], result: STRING }, + "crypto.x509CheckIssued": { argTypes: [BYTES_U8, BYTES_U8], result: BOOL }, + "crypto.x509LegacyObject": { argTypes: [BYTES_U8], result: DYN }, + "crypto.x509Pem": { argTypes: [BYTES_U8], result: STRING }, + "crypto.x509PublicKey": { argTypes: [BYTES_U8], result: DYN }, + "crypto.x509Verify": { argTypes: [BYTES_U8, DYN], result: BOOL }, + "crypto.x509CheckPrivateKey": { argTypes: [BYTES_U8, DYN], result: BOOL }, + "fs.closeSync": { argTypes: [F64], result: VOID }, + "stats.isFile": { argTypes: [STATS_T], result: BOOL }, + "stats.isDirectory": { argTypes: [STATS_T], result: BOOL }, + "stats.isSymbolicLink": { argTypes: [STATS_T], result: BOOL }, + "stats.size": { argTypes: [STATS_T], result: F64 }, + "stats.dev": { argTypes: [STATS_T], result: F64 }, + "stats.ino": { argTypes: [STATS_T], result: F64 }, + "stats.blocks": { argTypes: [STATS_T], result: F64 }, + "stats.nlink": { argTypes: [STATS_T], result: F64 }, + "stats.atimeMs": { argTypes: [STATS_T], result: F64 }, + "stats.mtimeMs": { argTypes: [STATS_T], result: F64 }, + "stats.ctimeMs": { argTypes: [STATS_T], result: F64 }, + "stats.birthtimeMs": { argTypes: [STATS_T], result: F64 }, + "stats.mode": { argTypes: [STATS_T], result: F64 }, + "stats.uid": { argTypes: [STATS_T], result: F64 }, + "stats.gid": { argTypes: [STATS_T], result: F64 }, + "stats.rdev": { argTypes: [STATS_T], result: F64 }, + "stats.blksize": { argTypes: [STATS_T], result: F64 }, + "stats.isBlockDevice": { argTypes: [STATS_T], result: BOOL }, + "stats.isCharacterDevice": { argTypes: [STATS_T], result: BOOL }, + "stats.isFIFO": { argTypes: [STATS_T], result: BOOL }, + "stats.isSocket": { argTypes: [STATS_T], result: BOOL }, + /** The Date fields: the *Ms value rounded (Node's dateFromMs). */ + "stats.atime": { argTypes: [STATS_T], result: DATE_T }, + "stats.mtime": { argTypes: [STATS_T], result: DATE_T }, + "stats.ctime": { argTypes: [STATS_T], result: DATE_T }, + "stats.birthtime": { argTypes: [STATS_T], result: DATE_T }, + // The wider sync fs slice (unlink/chmod/chown/copyfile and the + // mode-carrying write/mkdir forms). + /** The wider sync fs slice (scr_lib.c), all throwing catchably with + * Node's errno message shapes and `.code` stamped like the rest of + * sync fs. unlink/chmod/chown wrap the syscalls 1:1 (Node reports the + * syscall's own name). copyFileSync copies contents into a fresh (or + * truncated) destination carrying the SOURCE's mode (libuv's + * uv_fs_copyfile behavior); its errors carry BOTH paths — Node's + * "copyfile 'src' -> 'dest'". lstatSync is statSync without following + * a trailing symlink (Node reports lstat); stats.isSymbolicLink / + * stats.dev / ino / blocks / nlink / atimeMs / mtimeMs / ctimeMs are pure reads on the widened + * snapshot (blocks is allocated 512-byte units; the times are milliseconds + * with their sub-second fractions, Node's arithmetic). + * writeFileModeSync is writeFileSync(path, data, { mode }): the mode + * applies at CREATION only (open(2) with O_CREAT, umask applying), + * exactly Node — an existing file keeps its permissions. mkdirModeSync + * / mkdirRecursiveModeSync are the mkdirSync option forms with an + * explicit mode (the recursive walk passes it to every directory it + * creates, like Node's). */ + "fs.unlinkSync": { argTypes: [STRING], result: VOID }, + "fs.chmodSync": { argTypes: [STRING, F64], result: VOID }, + "fs.chownSync": { argTypes: [STRING, F64, F64], result: VOID }, + "fs.lchownSync": { argTypes: [STRING, F64, F64], result: VOID }, + "fs.fchownSync": { argTypes: [F64, F64, F64], result: VOID }, + /** truncateSync opens the path with 'r+', then truncates (len checked and + * clamped like ftruncateSync's) and closes it. */ + "fs.truncateSync": { argTypes: [STRING, F64], result: VOID }, + "fs.copyFileSync": { argTypes: [STRING, STRING], result: VOID }, + /** renameSync is the direct two-path syscall wrapper. renameCb defers + * the operation to the loop and fires a program-shaped Error | null + * callback through a backend-emitted adapter. */ + "fs.renameSync": { argTypes: [STRING, STRING], result: VOID }, + // Callback type is program-dependent (zero params or Error | null). + "fs.renameCb": { argTypes: [STRING, STRING, null], result: VOID }, + "fs.writeFileModeSync": { argTypes: [STRING, STRING, F64], result: VOID }, + "fs.mkdirModeSync": { argTypes: [STRING, F64], result: VOID }, + "fs.mkdirRecursiveModeSync": { argTypes: [STRING, F64], result: VOID }, + "atomics.wait": { argTypes: [bytesOf("i32"), F64, F64, F64], result: STRING }, + "atomics.notify": { argTypes: [bytesOf("i32"), F64, F64], result: F64 }, + "atomics.op": { argTypes: [null, F64, F64, F64, F64], result: F64 }, + "atomics.opDyn": { argTypes: [DYN, F64, F64, F64, F64], result: F64 }, + "atomics.waitDyn": { argTypes: [DYN, F64, F64, F64], result: STRING }, + "atomics.notifyDyn": { argTypes: [DYN, F64, F64], result: F64 }, + "worker.new": { argTypes: [F64, STRING, DYN], result: DYN }, + "worker.isMainThread": { argTypes: [], result: BOOL }, + "worker.threadId": { argTypes: [], result: F64 }, + "worker.root": { argTypes: [], result: F64 }, + "worker.data": { argTypes: [], result: DYN }, + "worker.parentPort": { argTypes: [], result: DYN }, + /** worker_threads.resourceLimits: {} in the main thread; a refusal in a + * worker (scr_worker_events.c). */ + "worker.resourceLimits": { argTypes: [], result: DYN }, + /** worker_threads.threadName: the Worker's name in a worker, "" in the + * main thread (scr_worker.c). */ + "worker.threadName": { argTypes: [], result: DYN }, + /** new MessageChannel() ({ port1, port2 }) and receiveMessageOnPort(port) + * (scr_worker_events.c; the latter may throw). */ + "worker.channel": { argTypes: [], result: DYN }, + "worker.receiveMessageOnPort": { argTypes: [DYN], result: DYN }, + /** setEnvironmentData(key, value) and getEnvironmentData(key) + * (scr_worker_events.c; arguments borrowed). */ + "worker.setEnvironmentData": { argTypes: [DYN, DYN], result: VOID }, + "worker.getEnvironmentData": { argTypes: [DYN], result: DYN }, + /** markAsUntransferable(value) and isMarkedAsUntransferable(value) + * (scr_worker_events.c; the value borrowed). */ + "worker.markUntransferable": { argTypes: [DYN], result: VOID }, + "worker.isMarkedUntransferable": { argTypes: [DYN], result: BOOL }, + /** markAsUncloneable(value) (scr_json.c; the value borrowed). */ + "dyn.markUncloneable": { argTypes: [DYN], result: VOID }, + /** before new Worker() with the stdout or stderr option: links the stream + * unit that worker.stdout and worker.stderr read through (scr_stream.c). */ + "stream.workerStdio": { argTypes: [], result: VOID }, + /** new BroadcastChannel(...args) (scr_worker_events.c; may throw), after + * event.broadcastInstall, which installs its EventTarget side. */ + "worker.broadcastChannel": { argTypes: [DYN], result: DYN }, + "event.broadcastInstall": { argTypes: [], result: VOID }, + /** child_process.spawnSync (scr_child.c): posix_spawn + waitpid + piped + * utf8 capture — cmd borrowed, args one borrowed string[] (the frontend + * completes an omitted list to an empty literal), result an owned (+1) + * spawnRes. NEVER throws: spawn failure (nonexistent binary, EACCES) is + * data, like Node's error property — status null and empty outputs + * (SEMANTICS.md documents the divergence from Node's null stdout). + * The getters are pure reads: status is the interned `number | null` + * union (null = spawn failure or signal death, type-directed + * construction in the backend like process.envGet); stdout/stderr are + * +1 strings. */ + "cp.spawnSync": { argTypes: [STRING, arrayOf(STRING)], result: SPAWNRES_T }, + // spawnSync's options form: timeout, killSignal name ("" = SIGTERM), + // and the three stdio modes. + /** spawnSync with options (scr_child.c): the cp.spawnSync core plus the + * option slice portless-class CLIs pass — timeout (killSignal fires at + * the deadline and the result carries error: ETIMEDOUT + the signal, + * Node's shape), killSignal (a signal NAME; "" = the SIGTERM default), + * and per-fd stdio modes (in: 0 /dev/null, 1 ignore, 2 inherit; out/ + * err: 0 capture, 1 ignore → "", 2 inherit → ""). NEVER throws — spawn + * failure and timeout are data on the result, like Node's error + * property. spawnRes.signal is the result's termination signal as the + * call site's `Signals | null` union (null = exited normally or spawn + * failure), constructed type-directedly like spawnRes.status. */ + "cp.spawnSyncOpts": { + argTypes: [STRING, arrayOf(STRING), F64, STRING, F64, F64, F64], + result: SPAWNRES_T, + }, + /** cp.spawnSyncOpts with the `env` option: the trailing [k,v,...] + * pairs replace the child's environment (recordToEnvPairs). */ + "cp.spawnSyncEnv": { + argTypes: [STRING, arrayOf(STRING), F64, STRING, F64, F64, F64, arrayOf(STRING)], + result: SPAWNRES_T, + }, + /** cp.spawnSyncOpts with the stdio carried as a RUNTIME string — + * "pipe" | "ignore" | "inherit", proven by the call site's TYPE (the + * defaultRunner idiom `stdio: options?.stdio ?? "pipe"`); the runtime + * maps the value to the three modes. Args (cmd, argv, timeout, + * killSignal, stdio). Never throws, like the other spawnSync forms. */ + "cp.spawnSyncStdioStr": { + argTypes: [STRING, arrayOf(STRING), F64, STRING, STRING], + result: SPAWNRES_T, + }, + // node:net (scr_net.c). Listener slots are program-dependent closures — + // null slots, checked in the libCall case (the child.onExit precedent); + // the zero-param callbacks pin the exact func type here. The trailing + // BOOL on registrations is the once flag. + /** node:net (scr_net.c — linked, and scr_net_install() emitted, only + * when one of these appears on the IR; moduleUsesNet is the switch). + * Receivers are borrowed; CALLBACKS MOVE into the handle's listener + * registry and are released at settlement (the child.onExit story). + * All listener registrations carry a trailing BOOL once-flag (`on` vs + * `once`) and are void — chaining is fenced. None of these throw: + * listen/connect failures are the async 'error' event, like Node. + * + * net.createServer's optional connection handler and the + * serverOnConnection listeners take the runtime-provided adapters + * (zero-param, or the one-param socket shape); sockOnData's adapters + * are the stdin pair's shapes (zero-param / bytes chunk); the error + * events reuse the child %Error adapters. net.listen/net.listenCb bind + * NOW and defer 'listening' to the next loop turn (Node's next-tick + * emit); net.serverPort is the composed `server.address().port` read. + * net.connect's host argument is a string ("localhost" pins to + * 127.0.0.1 — SEMANTICS.md); the connect callback is once('connect'). */ + "net.createServer": { argTypes: [], result: NETSERVER_T }, + "net.createServerCb": { argTypes: [null], result: NETSERVER_T }, + "net.listen": { argTypes: [NETSERVER_T, F64], result: VOID }, + /** listen(path[, cb]): a Unix-socket server; the socket file is removed + * when the server closes. Failures are the async 'error'. */ + "net.listenPath": { argTypes: [NETSERVER_T, STRING], result: VOID }, + "net.listenPathCb": { + argTypes: [NETSERVER_T, STRING, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "net.listenCb": { + argTypes: [NETSERVER_T, F64, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + /** listen({ port, host, ipv6Only }[, cb]) — the explicit-interface bind + * (portless's listenOnProxyInterface): args [server, port, host, + * ipv6Only]. host is an IP literal string ("" = the host-less + * dual-stack any default); ipv6Only sets IPV6_V6ONLY before the bind. + * These are the old-shaped calls, retained for omitted reusePort so + * serialized IR remains compatible. Failures are the async 'error', + * message in Node's listen shape with the requested host. Never throws. */ + "net.listenOpts": { argTypes: [NETSERVER_T, F64, STRING, BOOL], result: VOID }, + // The callback slot is a zero-param void closure OR its + // `(() => void) | undefined` optional-binding union (checked specially). + "net.listenOptsCb": { argTypes: [NETSERVER_T, F64, STRING, BOOL, null], result: VOID }, + /** Additive ABI for listen({ ..., reusePort }) — args + * [server, port, host, ipv6Only, reusePort], with the callback following + * those values in the callback form. The final BOOL is the requested + * kernel connection-distribution option; old spellings remain + * four/five-argument calls so serialized IR stays compatible. */ + "net.listenOptsReusePort": { argTypes: [NETSERVER_T, F64, STRING, BOOL, BOOL], result: VOID }, + // The callback is a zero-param void closure OR its optional-binding union; + // the callback follows the reusePort BOOL in this additive ABI. + "net.listenOptsReusePortCb": { + argTypes: [NETSERVER_T, F64, STRING, BOOL, BOOL, null], + result: VOID, + }, + "net.serverPort": { argTypes: [NETSERVER_T], result: F64 }, + "net.serverListening": { argTypes: [NETSERVER_T], result: BOOL }, + /** socket.ref()/unref() and server.ref()/unref(): whether the handle + * keeps the event loop alive. */ + "net.sockSetRef": { argTypes: [NETSOCKET_T, BOOL], result: VOID }, + "net.serverSetRef": { argTypes: [NETSERVER_T, BOOL], result: VOID }, + // net.serverAddress's record result is shape-checked in the libCall case + // (the dgram.address sentinel pattern). + /** server.address() as the full AddressInfo record (the dgram.address + * materialization pattern: the emitter builds the record from the three + * runtime reads; the frontend pinned the shape). Never throws — before + * listen it answers the any-form defaults with port 0 where Node + * answers null (the serverPort stance). */ + "net.serverAddress": { argTypes: [NETSERVER_T], result: VOID }, + "net.serverClose": { argTypes: [NETSERVER_T], result: VOID }, + /** server.close((err) => ...): the callback (a dyn function) gets + * undefined once the server closes, or Node's ERR_SERVER_NOT_RUNNING + * when it was not listening. */ + "net.serverCloseDyn": { argTypes: [NETSERVER_T, DYN], result: VOID }, + /** server.address() in programs that may listen on a Unix socket: the + * path a listening server answers ("" for a TCP server), and the check + * a record-typed address() makes first (throws for a Unix server). */ + "net.serverUnixPath": { argTypes: [NETSERVER_T], result: STRING }, + "net.serverAddressCheck": { argTypes: [NETSERVER_T], result: VOID }, + "net.serverCloseCb": { + argTypes: [NETSERVER_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "net.serverOnError": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + "net.serverOnClose": { + argTypes: [NETSERVER_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "net.serverOnConnection": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + /** 'secureConnection' — the TLS server's deferred 'connection' list + * (handshake-completion timing); on a server without deferred + * connections (a plain net server) the registration never fires, + * exactly Node's split. */ + "net.serverOnSecureConnection": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + "net.connect": { argTypes: [F64, STRING], result: NETSOCKET_T }, + /** connect with a validated autoSelectFamilyAttemptTimeout option (the + * budget runs Node's validateInt32-from-1 ladder and is then inert — + * the single dial has nothing to time). May-throw. */ + "net.connectAttempt": { argTypes: [F64, STRING, DYN], result: NETSOCKET_T }, + /** net.connect/createConnection over a RUNTIME option bag (computed + * keys — the invalid-input probes): Node-order validation (the + * objectMode trio's ERR_INVALID_ARG_VALUE, validatePort, host string, + * autoSelectFamily boolean, the attempt budget), then the trailing + * compiler-rendered fence — ALWAYS THROWS (the error.nodeThrow + * polymorphic-result carve-out). May-throw seed. */ + "net.connectOptsChk": { argTypes: [DYN, STRING], result: VOID }, + "net.connectCb": { + argTypes: [F64, STRING, { kind: "func", params: [], ret: VOID }], + result: NETSOCKET_T, + }, + // The lookup's exact func shape is program data (its answer callback's + // union/record types) — checked specially in the libCall case. + /** connect({ port, host, autoSelectFamily: true, lookup }) — the + * caller-resolver dial (portless's createLoopbackConnection): args + * [port, host, lookup]. The runtime creates the (connecting) socket + * handle, invokes the lookup as Node does — lookup(hostname, options, + * callback), options crossing as the dyn undefined — and the answer + * closure (an emitter-synthesized per-shape thunk over a boxed socket, + * the SNI-answer pattern) dials the answered addresses IN ORDER: each + * connect failure tries the next, the LAST failure's message is the + * socket's 'error' (Node's autoSelectFamily aggregate is a documented + * divergence), and a lookup error surfaces as the deferred socket + * 'error'. A synchronous throw INSIDE the lookup propagates out of the + * connect call (may-throw seed). */ + "net.connectLookup": { argTypes: [F64, STRING, null], result: NETSOCKET_T }, + /** connect({ host, port, lookup }) with a lookup of Node's own type, as + * a checked-dynamic function: the runtime calls it with { hints, all: + * true } and a callback taking an address string or list, then dials + * the answers in order. MAY THROW (host validation, a lookup throw). */ + "net.connectLookupDyn": { argTypes: [F64, STRING, DYN], result: NETSOCKET_T }, + "net.sockWrite": { argTypes: [NETSOCKET_T, STRING], result: VOID }, + "net.sockWriteBytes": { argTypes: [NETSOCKET_T, BYTES_U8], result: VOID }, + "net.sockEnd": { argTypes: [NETSOCKET_T], result: VOID }, + "net.sockEndStr": { argTypes: [NETSOCKET_T, STRING], result: VOID }, + "net.sockEndBytes": { argTypes: [NETSOCKET_T, BYTES_U8], result: VOID }, + /** write/end with a CHECKED-DYNAMIC chunk (an untyped JS payload into a + * typed socket): the runtime dispatches STR/BYTES and throws Node's + * ERR_INVALID_ARG_TYPE chunk TypeError on any other kind. */ + "net.sockWriteDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, + "net.sockEndDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, + "net.sockDestroy": { argTypes: [NETSOCKET_T], result: VOID }, + "net.sockPipe": { argTypes: [NETSOCKET_T, NETSOCKET_T], result: VOID }, + /** socket.pipe(res) — raw socket chunks into a ServerResponse body + * (the extended-CONNECT bridge leg): each chunk is a body write (the + * response's own framing applies); source EOF end()s the response, + * pipe's default. Borrows both. Never throws. */ + "net.sockPipeRes": { argTypes: [NETSOCKET_T, HTTPRES_T], result: VOID }, + "net.sockOnData": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, + "net.sockOnEnd": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "net.sockOnClose": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "net.sockOnError": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, + "net.sockOnConnect": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + // node:dgram + node:dns (scr_dgram.c). The message/error listeners and + // dns.lookup's callback are program-dependent closures (null slots, + // checked in the libCall case); dgram.address's record result is + // program-dependent too (VOID here is the envGet sentinel — the libCall + // case checks the {address, family, port} shape). + /** node:dgram + node:dns (scr_dgram.c — linked, and + * scr_dgram_install() emitted, only when one of these appears on the + * IR; moduleUsesDgram is the switch — dns.lookup rides the same unit). + * The net listener discipline verbatim: receivers borrowed, CALLBACKS + * MOVE into the handle's registry and release at settlement, `on` vs + * `once` is the trailing bool, registrations are void. bind/connect + * bind NOW and defer 'listening'/'connect' to the next loop turn (the + * net.listen story); their optional-host completions are "" + * (bind → 0.0.0.0) and "127.0.0.1" (connect — udp4's Node default). + * bind/connect/send/close/address THROW Node's state errors ("Socket + * is already bound", "Already connected", "Not running") — may-throw + * seeded. dgram.address returns the AddressInfo RECORD (the frontend + * pins the {address, family, port} shape; the emitter builds it from + * runtime parts). onMessage adapters are emitted per rinfo record + * shape (the child.onExit precedent); onError reuses the child %Error + * adapters. dns.lookup resolves via getaddrinfo AT CALL TIME and + * defers the callback to the next turn (SEMANTICS.md documents the + * blocking divergence); its per-union adapter builds the + * `Error | null` first argument. */ + "dgram.createSocket": { argTypes: [BOOL], result: DGRAMSOCK_T }, + "dgram.bind": { argTypes: [DGRAMSOCK_T, F64, STRING], result: VOID }, + "dgram.bindCb": { + argTypes: [DGRAMSOCK_T, F64, STRING, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "dgram.connect": { argTypes: [DGRAMSOCK_T, F64, STRING], result: VOID }, + "dgram.connectCb": { + argTypes: [DGRAMSOCK_T, F64, STRING, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "dgram.sendStr": { argTypes: [DGRAMSOCK_T, STRING, F64, STRING], result: VOID }, + "dgram.sendBytes": { argTypes: [DGRAMSOCK_T, BYTES_U8, F64, STRING], result: VOID }, + /** Connected AF_UNIX datagram sockets for the hot-shots package shim + * (the unix-dgram addon's surface): fd or result >= 0, -errno on + * failure; send answers 1 when the socket would block. */ + "dgram.unixSocket": { argTypes: [], result: F64 }, + "dgram.unixConnect": { argTypes: [F64, STRING], result: F64 }, + "dgram.unixSend": { argTypes: [F64, BYTES_U8], result: F64 }, + "dgram.unixClose": { argTypes: [F64], result: F64 }, + /** The send argument-validation ladder over dyn arguments (Node's + * signature shuffle: slice bounds, list/type contracts, port/address + * validation, connected-state errors), then the send: lists, connected + * sends and completion callbacks included. Up to six arguments, the + * missing ones undefined. May-throw. */ + "dgram.sendChk": { argTypes: [DGRAMSOCK_T, DYN, DYN, DYN, DYN, DYN, DYN], result: VOID }, + "dgram.address": { argTypes: [DGRAMSOCK_T], result: VOID }, + "dgram.close": { argTypes: [DGRAMSOCK_T], result: VOID }, + "dgram.closeCb": { + argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "dgram.unref": { argTypes: [DGRAMSOCK_T], result: VOID }, + "dgram.ref": { argTypes: [DGRAMSOCK_T], result: VOID }, + /** The socket options (scr_dgram.c): the membership calls take the + * interface and whether it was given. May-throw. */ + "dgram.setBroadcast": { argTypes: [DGRAMSOCK_T, BOOL], result: VOID }, + "dgram.setTTL": { argTypes: [DGRAMSOCK_T, F64], result: F64 }, + "dgram.setMulticastTTL": { argTypes: [DGRAMSOCK_T, F64], result: F64 }, + "dgram.setMulticastLoopback": { argTypes: [DGRAMSOCK_T, BOOL], result: BOOL }, + "dgram.setMulticastInterface": { argTypes: [DGRAMSOCK_T, STRING], result: VOID }, + "dgram.addMembership": { argTypes: [DGRAMSOCK_T, STRING, STRING, BOOL], result: VOID }, + "dgram.dropMembership": { argTypes: [DGRAMSOCK_T, STRING, STRING, BOOL], result: VOID }, + "dgram.getRecvBufferSize": { argTypes: [DGRAMSOCK_T], result: F64 }, + "dgram.getSendBufferSize": { argTypes: [DGRAMSOCK_T], result: F64 }, + "dgram.setRecvBufferSize": { argTypes: [DGRAMSOCK_T, F64], result: VOID }, + "dgram.setSendBufferSize": { argTypes: [DGRAMSOCK_T, F64], result: VOID }, + "dgram.getSendQueueSize": { argTypes: [DGRAMSOCK_T], result: F64 }, + "dgram.getSendQueueCount": { argTypes: [DGRAMSOCK_T], result: F64 }, + "dgram.disconnect": { argTypes: [DGRAMSOCK_T], result: VOID }, + "dgram.onMessage": { argTypes: [DGRAMSOCK_T, null, BOOL], result: VOID }, + "dgram.onError": { argTypes: [DGRAMSOCK_T, null, BOOL], result: VOID }, + "dgram.onListening": { + argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "dgram.onClose": { + argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "dgram.onConnect": { + argTypes: [DGRAMSOCK_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "dns.lookup": { argTypes: [STRING, F64, null], result: VOID }, + /** Node's argument forms with dyn callbacks: lookup(hostname, options, + * callback) and lookupService(address, port, callback). */ + "dns.lookupDyn": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, + "dns.lookupService": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, + /** node:dns/promises: lookup(hostname, options) and lookupService(address, + * port) over the callback forms; the promise fulfills with the dyn + * { address, family } (array for all: true) / { hostname, service }. + * Argument errors throw synchronously (may-throw), unlike the + * util.promisify forms below. */ + "dns.promisesLookup": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "dns.promisesLookupService": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "dns.getServers": { argTypes: [], result: DYN }, + "dns.getDefaultResultOrder": { argTypes: [], result: STRING }, + "dns.setDefaultResultOrder": { argTypes: [DYN], result: VOID }, + // node:test (scr_test.c). Bodies are program-dependent closures (0 or + // 1 testCtx param, void or Promise result — the spoke pinned the + // shape): null slots. sub's result is the settled Promise the + // await consumes. + /** node:test (scr_test.c — linked only when one of these appears on + * the IR; moduleUsesNodeTest is the switch, and the main epilogue asks + * scr_test_exit_code() for the process's exit status). Strings are + * BORROWED, callbacks MOVE. register/suite/hook attach to the runner + * tree (register: name, mode 0|1|2 run/skip/todo, directive message "" + * = none, cb or absent via registerEmpty, flags 1 async | 2 takes-ctx + * | 4 only, "file:line:col"); suite runs its body AT registration + * (Node's collection phase). sub is t.test — runs the subtest INLINE + * on the runner fiber and returns the settled promise the await + * consumes. ctxSkip/ctxTodo mark the running test; ctxDiagnostic + * queues an ℹ line; ctxName reads t.name. Every registration keeps + * the loop-run emitted (usesTimers) so the runner fiber drains. */ + // The trailing three are the { plan, timeout, concurrency } options (plan + // -1 without one; timeout read under flag 8; concurrency read under flag + // 16, -1 for true). An out-of-range timeout or concurrency throws. + "test.register": { + argTypes: [STRING, F64, STRING, null, F64, STRING, F64, F64, F64], + result: VOID, + }, + "test.registerEmpty": { + argTypes: [STRING, F64, STRING, F64, STRING, F64, F64, F64], + result: VOID, + }, + // The suite body takes no parameters or its SuiteContext (flag 2). + "test.suite": { argTypes: [STRING, F64, STRING, null, STRING, F64, F64], result: VOID }, + // The trailing string is the hook call's "file:line:col". + "test.hook": { argTypes: [F64, null, F64, STRING], result: VOID }, + "test.sub": { + argTypes: [TESTCTX_T, STRING, F64, STRING, null, F64, STRING, F64, F64, F64], + result: { kind: "promise", inner: VOID }, + }, + "test.subEmpty": { + argTypes: [TESTCTX_T, STRING, F64, STRING, F64, STRING, F64, F64, F64], + result: VOID, + }, + "test.ctxSkip": { argTypes: [TESTCTX_T, STRING], result: VOID }, + "test.ctxTodo": { argTypes: [TESTCTX_T, STRING], result: VOID }, + "test.ctxDiagnostic": { argTypes: [TESTCTX_T, STRING], result: VOID }, + "test.ctxName": { argTypes: [TESTCTX_T], result: STRING }, + "test.ctxFullName": { argTypes: [TESTCTX_T], result: STRING }, + // t.passed, and t.workerId's Number(NODE_TEST_WORKER_ID) with 0 for + // undefined. + "test.ctxPassed": { argTypes: [TESTCTX_T], result: BOOL }, + "test.workerId": { argTypes: [], result: F64 }, + // getTestContext(): whether a test, suite or hook is running in the + // current async context, and that context. + "test.hasContext": { argTypes: [], result: BOOL }, + "test.context": { argTypes: [], result: TESTCTX_T }, + // t.before/t.after/t.beforeEach/t.afterEach (which: 0 before, 1 after, + // 2 beforeEach, 3 afterEach); a throwing t.before is captured on the test. + "test.ctxHook": { argTypes: [TESTCTX_T, F64, null, F64], result: VOID }, + // t.plan(count), and the count of one t.assert call. + "test.ctxPlan": { argTypes: [TESTCTX_T, F64], result: VOID }, + "test.ctxCount": { argTypes: [TESTCTX_T], result: VOID }, + // The mock trackers: the module's `mock` and t.mock keep each mock's + // restore closure (moved) for restoreAll and reset. + "test.mockTrack": { argTypes: [{ kind: "func", params: [], ret: VOID }], result: VOID }, + "test.mockRestoreAll": { argTypes: [], result: VOID }, + "test.mockReset": { argTypes: [], result: VOID }, + "test.ctxMockTrack": { + argTypes: [TESTCTX_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "test.ctxMockRestoreAll": { argTypes: [TESTCTX_T], result: VOID }, + "test.ctxMockReset": { argTypes: [TESTCTX_T], result: VOID }, + // mock.timers on the module's `mock` and on t.mock. enable takes one + // code per listed API ('T' setTimeout, 'I' setInterval), the `now` + // value and its flags (1 given, 2 from a Date). enable, tick, runAll and + // setTime throw Node's errors; tick and runAll run timer callbacks. + // t.assert.snapshot and fileSnapshot: the escaped, wrapped serialized + // value, and the stored value it is compared with (snapshot: the test, + // the value, the snapshot file; fileSnapshot: the value, the path). + // Both read or, in update mode, record; missing and unreadable + // snapshots throw Node's ERR_INVALID_STATE. + "test.snapshotValue": { argTypes: [STRING], result: STRING }, + "test.ctxSnapshot": { argTypes: [TESTCTX_T, STRING, STRING], result: STRING }, + "test.fileSnapshot": { argTypes: [STRING, STRING], result: STRING }, + // Node's serializeValue over a dyn array of serializers (undefined for + // the default JSON.stringify(value, null, 2)); a throw becomes Node's + // "The provided serializers did not generate a string." ERR_INVALID_STATE. + "test.snapshotSerialize": { argTypes: [DYN, DYN], result: DYN }, + "test.mockTimersEnable": { argTypes: [STRING, F64, F64], result: VOID }, + "test.mockTimersTick": { argTypes: [F64], result: VOID }, + "test.mockTimersRunAll": { argTypes: [], result: VOID }, + "test.mockTimersReset": { argTypes: [], result: VOID }, + "test.mockTimersSetTime": { argTypes: [F64], result: VOID }, + "test.ctxMockTimersEnable": { argTypes: [TESTCTX_T, STRING, F64, F64], result: VOID }, + "test.ctxMockTimersTick": { argTypes: [TESTCTX_T, F64], result: VOID }, + "test.ctxMockTimersRunAll": { argTypes: [TESTCTX_T], result: VOID }, + "test.ctxMockTimersReset": { argTypes: [TESTCTX_T], result: VOID }, + "test.ctxMockTimersSetTime": { argTypes: [TESTCTX_T, F64], result: VOID }, + // node:http (scr_http.c over scr_net.c). The handler and the data + // listeners are program-dependent closures (null slots, checked in the + // libCall case); reqHeader's result is the interned string|undefined + // union, checked like process.envGet. + /** node:http, the server slice (scr_http.c over scr_net.c — linked + * only when these appear on the IR; moduleUsesHttpServer is the + * switch, and any http.* libCall also counts as net use so scr_net.c + * links and installs). http.createServer's handler MOVES in and takes + * the runtime adapters for its (req, res) / (req) / () shapes; req + * body listeners follow the net.sockOnData story (bytes chunks, once + * flags); reqHeader answers the interned `string | undefined` union + * exactly like process.envGet; the res writers are borrowed-argument + * voids with Node's framing decided in the runtime (Content-Length + * for end-before-head, chunked after an explicit writeHead/write). */ + "http.createServer": { argTypes: [null], result: NETSERVER_T }, + /** http.createServer() / http.Server() with no handler — the + * on("request") route; option helpers set parser behavior on a fresh + * server before the constructor/factory result is returned. */ + "http.createServerEmpty": { argTypes: [], result: NETSERVER_T }, + "http.validateHeaderName": { argTypes: [STRING, STRING], result: VOID }, + "http.validateHeaderValue": { argTypes: [STRING, DYN], result: VOID }, + "http.serverJoinDupHeaders": { argTypes: [NETSERVER_T], result: VOID }, + "http.serverAllowMissingHostHeader": { argTypes: [NETSERVER_T], result: VOID }, + /** The five writable numeric http.Server timeout fields use one + * selector ABI: 0 timeout, 1 keepAliveTimeout, 2 headersTimeout, + * 3 requestTimeout, 4 keepAliveTimeoutBuffer. These calls store/read + * the property values; timer enforcement remains outside this surface. + * The constructor-option setter takes dyn so explicit undefined remains + * distinguishable from a numeric value until its Node validation ladder. */ + "http.serverTimeoutGet": { argTypes: [NETSERVER_T, F64], result: F64 }, + "http.serverSetTimeout": { argTypes: [NETSERVER_T, F64], result: VOID }, + "http.serverSetTimeoutCb": { argTypes: [NETSERVER_T, F64, null], result: VOID }, + "http.serverOnTimeout": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + "http.serverCloseAllConnections": { argTypes: [NETSERVER_T], result: VOID }, + "http.serverCloseIdleConnections": { argTypes: [NETSERVER_T], result: VOID }, + "http.serverTimeoutSet": { argTypes: [NETSERVER_T, F64, F64], result: VOID }, + "http.serverTimeoutOptionSet": { argTypes: [NETSERVER_T, F64, DYN], result: VOID }, + /** server.on("listening", cb) — the deferred listen-callback list. */ + "net.serverOnListening": { + argTypes: [NETSERVER_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + /** The ServerResponse member surface: statusCode/statusMessage reads + * and assignments (Node's writable properties), the header CRUD trio + * (getHeader answers `string | undefined` like reqHeader), and + * end(cb)'s callback slot (resOnEndCallback registers, the end call + * follows — the callback fires deferred, just before Node's 'finish' + * emit; resOnFinish is the 'finish' listener slot). writeHead's + * statusMessage forms compose in interned helpers: resStatusMsgSet + * then the ordinary writeHead entry. */ + "http.resStatusGet": { argTypes: [HTTPRES_T], result: F64 }, + "http.resStatusSet": { argTypes: [HTTPRES_T, F64], result: VOID }, + "http.resStatusMsgGet": { argTypes: [HTTPRES_T], result: VOID }, + "http.resStatusMsgSet": { argTypes: [HTTPRES_T, STRING], result: VOID }, + "http.resRequest": { argTypes: [HTTPRES_T], result: HTTPREQ_T }, + "http.resSocket": { argTypes: [HTTPRES_T], result: VOID }, + "http.resWritableFinished": { argTypes: [HTTPRES_T], result: BOOL }, + "http.resSendDateGet": { argTypes: [HTTPRES_T], result: BOOL }, + "http.resSendDateSet": { argTypes: [HTTPRES_T, BOOL], result: VOID }, + "http.resStrictContentLengthGet": { argTypes: [HTTPRES_T], result: BOOL }, + "http.resStrictContentLengthSet": { argTypes: [HTTPRES_T, BOOL], result: VOID }, + "http.resSetTimeout": { argTypes: [HTTPRES_T, F64], result: VOID }, + "http.resSetTimeoutCb": { + argTypes: [HTTPRES_T, F64, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + // resGetHeader answers the interned `string | undefined` union — the + // reqHeader/envGet sentinel pattern (VOID here, checked specially). + "http.resGetHeader": { argTypes: [HTTPRES_T, STRING], result: VOID }, + /** getHeader as Node answers it: the number, string or string[] that was + * set, or undefined, as a checked-dynamic value. */ + "http.resGetHeaderDyn": { argTypes: [HTTPRES_T, STRING], result: DYN }, + "http.resGetHeaderNames": { argTypes: [HTTPRES_T], result: arrayOf(STRING) }, + "http.resGetRawHeaderNames": { argTypes: [HTTPRES_T], result: arrayOf(STRING) }, + "http.resGetHeaders": { argTypes: [HTTPRES_T], result: DYN }, + "http.resHasHeader": { argTypes: [HTTPRES_T, STRING], result: BOOL }, + "http.resRemoveHeader": { argTypes: [HTTPRES_T, STRING], result: VOID }, + "http.resOnFinish": { + argTypes: [HTTPRES_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "http.resOnEndCallback": { + argTypes: [HTTPRES_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "http.reqUrl": { argTypes: [HTTPREQ_T], result: STRING }, + "http.reqMethod": { argTypes: [HTTPREQ_T], result: STRING }, + "http.reqHeader": { argTypes: [HTTPREQ_T, STRING], result: VOID }, + "http.reqTrailer": { argTypes: [HTTPREQ_T, STRING], result: VOID }, + "http.reqHeaderValues": { argTypes: [HTTPREQ_T, STRING], result: VOID }, + "http.reqTrailerValues": { argTypes: [HTTPREQ_T, STRING], result: VOID }, + "http.reqOnData": { argTypes: [HTTPREQ_T, null, BOOL], result: VOID }, + "http.reqOnEnd": { + argTypes: [HTTPREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.resSetHeader": { argTypes: [HTTPRES_T, STRING, STRING], result: VOID }, + /** setHeader / appendHeader with a number, string or array value; the + * stored value keeps its type for getHeader/getHeaders. MAY THROW. */ + "http.resSetHeaderDyn": { argTypes: [HTTPRES_T, STRING, DYN], result: VOID }, + "http.resAppendHeader": { argTypes: [HTTPRES_T, STRING, DYN], result: VOID }, + "http.resWriteHead": { argTypes: [HTTPRES_T, F64], result: VOID }, + "http.resWriteHeadN": { + argTypes: [HTTPRES_T, F64, arrayOf(STRING), arrayOf(STRING)], + result: VOID, + }, + /** HTTP/1.1 informational heads; early hints takes flat string pairs, + * with a lowercase `link` key required to send anything. */ + "http.resWriteContinue": { argTypes: [HTTPRES_T], result: VOID }, + "http.resWriteProcessing": { argTypes: [HTTPRES_T], result: VOID }, + "http.resWriteEarlyHints": { argTypes: [HTTPRES_T, arrayOf(STRING)], result: VOID }, + "http.resWrite": { argTypes: [HTTPRES_T, STRING], result: VOID }, + "http.resWriteBytes": { argTypes: [HTTPRES_T, BYTES_U8], result: VOID }, + "http.resEnd": { argTypes: [HTTPRES_T], result: VOID }, + "http.resEndStr": { argTypes: [HTTPRES_T, STRING], result: VOID }, + "http.resEndBytes": { argTypes: [HTTPRES_T, BYTES_U8], result: VOID }, + /** The checked-dynamic chunk twins (the net.sockWriteDyn story). */ + "http.resWriteDyn": { argTypes: [HTTPRES_T, DYN], result: VOID }, + "http.resEndDyn": { argTypes: [HTTPRES_T, DYN], result: VOID }, + "http.resHeadersSent": { argTypes: [HTTPRES_T], result: BOOL }, + "http.resWritableEnded": { argTypes: [HTTPRES_T], result: BOOL }, + "http.resFlushHeaders": { argTypes: [HTTPRES_T], result: VOID }, + "http.resAddTrailers": { argTypes: [HTTPRES_T, arrayOf(STRING)], result: VOID }, + "http.resCork": { argTypes: [HTTPRES_T], result: VOID }, + "http.resUncork": { argTypes: [HTTPRES_T], result: VOID }, + "http.resWritableCorked": { argTypes: [HTTPRES_T], result: F64 }, + // The member follow-ups: reqStatusCode's `number | undefined` and + // sockRemoteAddress's `string | undefined` results are shape-checked in + // the special cases in validate.ts (like reqHeader/columns). + /** The server-surface member follow-ups: reqStatusCode answers the + * interned `number | undefined` union (negative = the undefined arm — + * a SERVER request, where Node's statusCode is undefined; every client + * response carries a real status); reqSocket is the underlying + * connection (+1, the same handle net.connect would give); + * sockRemoteAddress answers `string | undefined` (NULL after the fd + * closed, Node's destroyed-socket undefined; a dual-stack accept of an + * IPv4 peer reads "::ffff:a.b.c.d" like Node). reqResume/reqPause/reqDestroy and + * the req error/close listener slots complete the IncomingMessage + * surface portless's client responses use; resDestroy/resOnClose and + * resWriteHeadPairs ([k0,v0,k1,v1,...] — the env.pairs helper's flat + * shape) complete ServerResponse. sockSetTimeout arms the idle + * EVFILT_TIMER ('timeout' fires after ms of inactivity, once per idle + * period, never destroying the socket — Node's semantics). */ + "http.reqStatusCode": { argTypes: [HTTPREQ_T], result: VOID }, + // reqStatusMessage's `string | undefined` is program-interned like + // reqHeader's (the VOID here is the envGet sentinel). + "http.reqStatusMessage": { argTypes: [HTTPREQ_T], result: VOID }, + /** req.rawHeaders — [name, value, name, value, ...] in arrival order, + * names in their ORIGINAL case (Node's shape); a fresh string[] per + * read. reqStatusMessage answers the interned `string | undefined` + * union — the reason phrase on client responses ("" when the status + * line carried none), the undefined arm on server requests (the + * statusCode split). sockDestroyed is socket.destroyed — true once the + * fd is gone (destroy() or full close). */ + "http.reqRawHeaders": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, + /** The `{ ...req.headers }` snapshot feed: [lowercased name, value, + * ...] pairs in arrival order — the interned %headers.snapshot helper + * builds the record over it, exactly the process.envPairs pattern. */ + "http.reqHeaderPairs": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, + /** Every value of one header in arrival order (empty when absent): the + * set-cookie array of a `{ ...req.headers }` snapshot. */ + "http.reqHeaderList": { argTypes: [HTTPREQ_T, STRING], result: arrayOf(STRING) }, + "http.reqRawTrailers": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, + "http.reqTrailerPairs": { argTypes: [HTTPREQ_T], result: arrayOf(STRING) }, + "net.sockDestroyed": { argTypes: [NETSOCKET_T], result: BOOL }, + /** socket.writable — the write half is open: no end() yet, no FIN sent, + * fd alive (connecting sockets answer true; writes queue). Node's + * stream flag. Borrows; never throws. */ + "net.sockWritable": { argTypes: [NETSOCKET_T], result: BOOL }, + // The 'upgrade' registrations: the callback shapes are program-typed + // ((req, socket, head) and shorter prefixes — the libCall case checks). + /** The 'upgrade' events, both sides (SEMANTICS.md — the WebSocket + * proxying surface): serverOnUpgrade registers (req, socket, head) + * listeners fired INSTEAD of 'request' for Connection: upgrade + * requests (the parser steps aside; the socket is raw; `head` carries + * bytes past the request head; no listener = the socket destroys, + * Node's default). clientOnUpgrade is the client twin: a 101 response + * fires (res, socket, head) INSTEAD of 'response'. */ + "http.serverOnUpgrade": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + /** server.on("connect", ...) — HTTP CONNECT tunneling, the 'upgrade' + * machinery's twin: (req, socket, head) fired INSTEAD of 'request' for + * CONNECT-method requests (no listener = the socket destroys, Node's + * default). The h2 compat server's 'connect' (portless's RFC 8441 + * handler) only ever sees the HTTP/1.1 arm under the allowHTTP1 + * lowering, so a listener whose second parameter is a UNION with a + * netSocket arm takes the socket wrapped at that arm (an emitted + * per-shape adapter — the tags are program data). */ + "http.serverOnConnect": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + "http.clientOnUpgrade": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, + "http.reqSocket": { argTypes: [HTTPREQ_T], result: NETSOCKET_T }, + // reqH2Stream's program-interned Http2Stream | undefined result is + // checked in the special libCall cases in validate.ts. + "http.reqH2Stream": { argTypes: [HTTPREQ_T], result: VOID }, + "http.reqH2StreamOrThrow": { argTypes: [HTTPREQ_T, STRING], result: HTTP2STREAM_T }, + /** req.pipe(dest) — the IncomingMessage body streaming into a + * ServerResponse (the proxy's response leg), a ClientRequest (the + * request-body forward), or a raw socket (the upgrade-rejection leg); + * chunk-for-chunk, natural end ends the destination (Node's pipe + * default; no backpressure — divergence 54's stream model). */ + "http.reqPipeRes": { argTypes: [HTTPREQ_T, HTTPRES_T], result: VOID }, + "http.reqPipeClient": { argTypes: [HTTPREQ_T, HTTPCLIENTREQ_T], result: VOID }, + "http.reqPipeSock": { argTypes: [HTTPREQ_T, NETSOCKET_T], result: VOID }, + "http.reqResume": { argTypes: [HTTPREQ_T], result: VOID }, + "http.reqPause": { argTypes: [HTTPREQ_T], result: VOID }, + "http.reqDestroy": { argTypes: [HTTPREQ_T], result: VOID }, + "http.reqOnError": { argTypes: [HTTPREQ_T, null, BOOL], result: VOID }, + "http.reqOnClose": { + argTypes: [HTTPREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.reqOnAborted": { + argTypes: [HTTPREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.reqHttpVersion": { argTypes: [HTTPREQ_T], result: STRING }, + "http.reqHttpVersionMajor": { argTypes: [HTTPREQ_T], result: F64 }, + "http.reqHttpVersionMinor": { argTypes: [HTTPREQ_T], result: F64 }, + "http.reqAborted": { argTypes: [HTTPREQ_T], result: BOOL }, + "http.reqComplete": { argTypes: [HTTPREQ_T], result: BOOL }, + "http.resDestroy": { argTypes: [HTTPRES_T], result: VOID }, + "http.resOnClose": { + argTypes: [HTTPRES_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.resWriteHeadPairs": { argTypes: [HTTPRES_T, F64, arrayOf(STRING)], result: VOID }, + /** writeHead(status, headers) with a checked-dynamic headers value — + * the runtime OBJ walk (string/number values; other values throw + * Node's invalid-argument TypeError; may throw). */ + "http.resWriteHeadDyn": { argTypes: [HTTPRES_T, F64, DYN], result: VOID }, + "net.sockSetTimeout": { argTypes: [NETSOCKET_T, F64], result: VOID }, + /** setEncoding('utf8') — 'data' delivers strings inside the chunk-encoding window; other real encodings throw the "not supported yet" Error, unknown names throw ERR_UNKNOWN_ENCODING (may throw). */ + "net.sockSetEncoding": { argTypes: [NETSOCKET_T, STRING], result: VOID }, + "http.reqSetEncoding": { argTypes: [HTTPREQ_T, STRING], result: VOID }, + "net.sockOnTimeout": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "net.sockRemoteAddress": { argTypes: [NETSOCKET_T], result: VOID }, + /** socket.encrypted — `boolean | undefined`: the true arm iff the + * socket carries a TLS transport (Node types `encrypted: true` on + * TLSSocket; plain sockets answer undefined — the proxy.ts isEncrypted + * idiom reads it through a cast). */ + "net.sockEncrypted": { argTypes: [NETSOCKET_T], result: VOID }, + // node:http, the client slice. The response callback shapes are + // program-dependent (checked by validate.ts); header pairs arrive flat. + /** node:http, the CLIENT slice (http.request/http.get over the net + * client machinery): request/requestCb take (host, port, path, method, + * timeoutMs, headerPairs, autoEnd[, responseCb]) — headerPairs is the + * flat [k0,v0,...] array (empty for none), autoEnd true is http.get's + * eager end(). The handle owns one dialed connection (NO pooling — the + * wire still carries Node's exact head: user headers, then Host, + * Connection: keep-alive, and the framing header; the socket closes + * when the response completes). The response delivered to responseCb / + * 'response' listeners IS an httpReq (IncomingMessage), status and + * headers parsed from the wire, body via reqOnData/reqOnEnd. Errors are + * Node-shaped ('connect ECONNREFUSED ip:port', 'socket hang up') and + * fire 'error' then 'close'; an unhandled 'error' exits 1 like every + * net handle. clientWrite before end commits to chunked framing unless + * the caller set content-length; clientEnd(data) before any write sends + * Content-Length exactly like Node. */ + "http.request": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL], + result: HTTPCLIENTREQ_T, + }, + "http.requestCb": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, null], + result: HTTPCLIENTREQ_T, + }, + /** new http.Agent(opts) / new https.Agent(opts): (secure, keepAlive, + * keepAliveMsecs, maxSockets, maxFreeSockets, timeoutMs, port) — the + * numeric options arrive < 0 for "unset" (Infinity/256/none; port + * seeds the settable defaultPort, Node's option merge). Returns the + * Agent as a checked-dynamic HANDLE (getName/destroy and the + * sockets/requests/freeSockets counters dispatch through the dyn + * handle ops). keepAlive: true THROWS the named construction fence — + * socket POOLING is not modeled (one dial per request); maxSockets + * accounting is real: over-limit requests defer their dial and queue. + * MAY THROW. */ + "http.agentNew": { argTypes: [BOOL, BOOL, F64, F64, F64, F64, F64, DYN], result: DYN }, + /** http.globalAgent / https.globalAgent (true): Node's keepAlive global + * agent, the one requests without an agent option use. */ + "http.globalAgent": { argTypes: [BOOL], result: DYN }, + /** http.request's `signal` option over the fresh request: an aborted + * signal destroys it with Node's AbortError now, a later abort event + * does the same. A falsy value is ignored; a non-signal throws + * ERR_INVALID_ARG_TYPE. */ + "http.clientSignal": { argTypes: [HTTPCLIENTREQ_T, DYN], result: VOID }, + /** options.signal checked before the request is built (ERR_INVALID_ARG_TYPE). */ + "http.clientSignalCheck": { argTypes: [DYN], result: VOID }, + /** https.request's servername option, stored for the construction call + * that follows: the TLS name sent and verified, and part of the pooled + * socket key. The "https." prefix keeps the TLS unit linked. */ + "https.nextServername": { argTypes: [STRING], result: VOID }, + /** The maxHeaderSize option of createServer / http.request: Node's + * validateInteger (ERR_OUT_OF_RANGE) then the header size bound. + * MAY THROW. */ + "http.serverMaxHeaderSize": { argTypes: [NETSERVER_T, F64], result: VOID }, + "http.clientMaxHeaderSize": { argTypes: [HTTPCLIENTREQ_T, F64], result: VOID }, + /** req.destroy(err): err becomes the request's 'error'. */ + "http.clientDestroyError": { + argTypes: [HTTPCLIENTREQ_T, { kind: "object", className: "%Error" }], + result: VOID, + }, + /** The agent-threaded request rows: the http.request/https.request + * shape with a trailing `agent` dyn argument (an Agent handle, false — + * the one-shot Connection: close dial — or null/undefined for the + * default path). port < 0 means "no port option": the agent's settable + * defaultPort, then the scheme's. MAY THROW (a non-Agent value is + * Node's ERR_INVALID_ARG_TYPE). */ + "http.requestAgent": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, DYN], + result: HTTPCLIENTREQ_T, + }, + "http.requestAgentCb": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, DYN, null], + result: HTTPCLIENTREQ_T, + }, + /** request/get with a URL-STRING first argument: the runtime parses it + * (WHATWG) and dials — throws catchably on an unparsable input or a + * non-http scheme. */ + "http.requestUrl": { argTypes: [STRING, STRING, BOOL], result: HTTPCLIENTREQ_T }, + "http.requestUrlCb": { argTypes: [STRING, STRING, BOOL, null], result: HTTPCLIENTREQ_T }, + /** request/get with a runtime options record: a RequestOptions + * variable, or a literal that spreads one or sets socketPath. Args + * (options, autoEnd[, cb]). The runtime reads the record in the + * ClientRequest constructor's order (host/port or socketPath, path, + * method, headers, timeout, agent, signal, maxHeaderSize) with Node's + * errors, and documented options it does not implement throw the + * runtime fence. The "https." pair adds the TLS options. MAY THROW. */ + "http.requestDyn": { argTypes: [DYN, BOOL], result: HTTPCLIENTREQ_T }, + "http.requestDynCb": { argTypes: [DYN, BOOL, null], result: HTTPCLIENTREQ_T }, + "https.requestDyn": { argTypes: [DYN, BOOL], result: HTTPCLIENTREQ_T }, + "https.requestDynCb": { argTypes: [DYN, BOOL, null], result: HTTPCLIENTREQ_T }, + /** The paused-mode demux surface (portless's first-byte TLS peek: + * once('readable') + read(1) + unshift + emit('connection')). + * sockOnReadable registers a zero-param listener (a consumer: arrived + * bytes buffer instead of flowing, and EOF announces too); sockRead + * answers `Buffer | null` (exactly n buffered bytes, or null — Node's + * less-than-n answer; n <= 0 drains everything); sockUnshift returns + * bytes to the front of the stream; serverEmitConnection routes a + * socket into another server's protocol layer (a TLS target's + * 'connection' waits for its handshake). */ + "net.sockOnReadable": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, + // sockRead's result is the interned `Buffer | null` union — checked + // specially in validate.ts (the reqHeader/envGet pattern; VOID here is a + // placeholder the special case overrides). + "net.sockRead": { argTypes: [NETSOCKET_T, F64], result: VOID }, + "net.sockUnshift": { argTypes: [NETSOCKET_T, BYTES_U8], result: VOID }, + /** Socket flow control and the compat surface: pause/resume (reads + * gate off/on — kernel backpressure holds paused bytes; resume flows + * and discards sans listeners) and setNoDelay answer the SOCKET (+1, + * Node's chaining); destroySoon ends now and destroys once the FIN + * flushed; bytesWritten counts accepted bytes; readable is true until + * the read half ends. */ + "net.sockPause": { argTypes: [NETSOCKET_T], result: NETSOCKET_T }, + "net.sockResume": { argTypes: [NETSOCKET_T], result: NETSOCKET_T }, + "net.sockSetNoDelay": { argTypes: [NETSOCKET_T, BOOL], result: NETSOCKET_T }, + "net.sockDestroySoon": { argTypes: [NETSOCKET_T], result: VOID }, + /** RST close, answers the socket; throws ERR_INVALID_HANDLE_TYPE on TLS. */ + "net.sockResetAndDestroy": { argTypes: [NETSOCKET_T], result: NETSOCKET_T }, + /** socket.address(): { address, family, port } or {} as a dyn. */ + "net.sockAddress": { argTypes: [NETSOCKET_T], result: DYN }, + "net.sockBytesWritten": { argTypes: [NETSOCKET_T], result: F64 }, + /** remotePort (0), remoteFamily (1), localAddress (2), localPort (3), + * localFamily (4): dyn values, undefined when unknown. */ + "net.sockAddrField": { argTypes: [NETSOCKET_T, F64], result: DYN }, + "net.sockBytesRead": { argTypes: [NETSOCKET_T], result: F64 }, + "net.sockConnecting": { argTypes: [NETSOCKET_T], result: BOOL }, + "net.sockPending": { argTypes: [NETSOCKET_T], result: BOOL }, + "net.sockReadyState": { argTypes: [NETSOCKET_T], result: STRING }, + "net.sockSetKeepAlive": { argTypes: [NETSOCKET_T, BOOL, F64], result: NETSOCKET_T }, + "net.sockOnReady": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + /** Listeners with a parameter, as dyn functions: close(hadError), + * write's cb(err) and end's cb. */ + "net.sockOnCloseDyn": { argTypes: [NETSOCKET_T, DYN, BOOL], result: VOID }, + /** socket.on/once('lookup', listener): the listener (a dyn function) + * gets (err, address, family, host) once per resolved address, or once + * with the lookup error, before the connect. */ + "net.sockOnLookup": { argTypes: [NETSOCKET_T, DYN, BOOL], result: VOID }, + "net.sockOnWriteFlush": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "net.sockOnWriteFlushDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, + "net.sockOnFinishDyn": { argTypes: [NETSOCKET_T, DYN], result: VOID }, + "net.sockSetTimeoutCb": { + argTypes: [NETSOCKET_T, F64, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "net.isIP": { argTypes: [DYN], result: F64 }, + "net.isIPv4": { argTypes: [DYN], result: BOOL }, + "net.isIPv6": { argTypes: [DYN], result: BOOL }, + "net.serverMaxConnectionsGet": { argTypes: [NETSERVER_T], result: DYN }, + "net.serverMaxConnectionsSet": { argTypes: [NETSERVER_T, DYN], result: VOID }, + "net.serverDropMaxConnectionGet": { argTypes: [NETSERVER_T], result: DYN }, + "net.serverDropMaxConnectionSet": { argTypes: [NETSERVER_T, DYN], result: VOID }, + /** net.SocketAddress and net.BlockList (scr_net.c): the constructors + * take the argument array; the handles are dyn values. */ + "net.socketAddressNew": { argTypes: [DYN], result: DYN }, + "net.socketAddressParse": { argTypes: [DYN], result: DYN }, + "net.isSocketAddress": { argTypes: [DYN], result: BOOL }, + "net.blockListNew": { argTypes: [DYN], result: DYN }, + "net.isBlockList": { argTypes: [DYN], result: BOOL }, + "net.blockListPrivateRanges": { argTypes: [], result: DYN }, + "net.serverOnDrop": { argTypes: [NETSERVER_T, DYN, BOOL], result: VOID }, + "net.serverGetConnections": { argTypes: [NETSERVER_T, DYN], result: VOID }, + "net.sockReadable": { argTypes: [NETSOCKET_T], result: BOOL }, + /** socket.on('finish', cb) / end(cb): fires once when the FIN goes out + * (sweep-deferred, never the registering stack). */ + "net.sockOnFinish": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "net.serverEmitConnection": { argTypes: [NETSERVER_T, NETSOCKET_T], result: VOID }, + // tls/https: cert/key/ca PEM arguments are strings OR Buffers (null = + // both accepted; the emitter passes data+len either way). + /** node:tls + node:https (scr_tls.c over scr_net.c/scr_http.c, with + * the vendored mbedTLS archive — linked only when one of these appears + * on the IR; moduleUsesTls is the switch, and every tls/https libCall + * also counts as net AND http use so both units link and install). + * tls.createServer takes (cert, key[, handler]) — cert/key are PEM + * strings or Buffers (the emitter passes data+len for either); the + * handler is Node's 'secureConnection' (fires post-handshake with a + * socket that behaves exactly like a net socket, the same adapters as + * net.createServer). https.createServer is (cert, key, handler) with + * the http request-handler adapters. https.request/requestCb extend + * the http client row with (…, rejectUnauthorized: bool, ca: PEM + * string/Buffer — "" for none) and default port 443; everything else + * (write/end/destroy/events, the response surface) IS the http client + * surface — the handles are the same kinds. */ + "tls.createServer": { argTypes: [null, null], result: NETSERVER_T }, + "tls.createServerCb": { argTypes: [null, null, null], result: NETSERVER_T }, + /** The SNICallback forms: (cert, key, SNICallback[, handler]). The + * callback is http2.createSecureServerSni's shape, a function or a + * function | undefined union. */ + "tls.createServerSni": { argTypes: [null, null, null], result: NETSERVER_T }, + "tls.createServerSniCb": { argTypes: [null, null, null, null], result: NETSERVER_T }, + // The runtime options records (divergence 66's stance): a dyn options + // value whose members read at runtime; pemDyn extracts a runtime-valued + // cert/key member (arg 1 is the precomposed fence label). + /** RUNTIME options records (the divergence-66 stance): the *Dyn + * creators take a checked-dynamic (dyn) options value whose members + * read at runtime — cert/key extract like the literal path, members + * whose literal forms fence THROW the catchable fence at runtime, and + * undocumented keys drop like Node drops them. tls.pemDyn is the + * literal walk's runtime-valued cert/key extraction: (value, whatLit) + * → PEM bytes (strings/Buffers/one-element arrays of those) or the + * thrown fence. All of them may throw. */ + "tls.pemDyn": { argTypes: [DYN, STRING], result: BYTES_U8 }, + "tls.createServerDyn": { argTypes: [DYN], result: NETSERVER_T }, + "tls.createServerDynCb": { argTypes: [DYN, null], result: NETSERVER_T }, + "https.createServerDyn": { argTypes: [DYN], result: NETSERVER_T }, + "https.createServerDynCb": { argTypes: [DYN, null], result: NETSERVER_T }, + /** createSecureServer(options, handler) — the eager COMPAT handler as + * the first 'request' listener (Node's exact route), on both literal + * flavors: Req is the dual ALPN allowHTTP1 server, H2Req the ALPN=h2-only + * server (both use compat handles over h2 streams). Args are + * (cert, key, cb, enableConnectProtocol). */ + "http2.createSecureServerReq": { argTypes: [null, null, null, BOOL], result: NETSERVER_T }, + "http2.createSecureServerH2Req": { argTypes: [null, null, null, BOOL], result: NETSERVER_T }, + /** createSecureServer with a RUNTIME options record (the divergence-66 + * stance): allowHTTP1/cert/key read at runtime — allowHTTP1 picks the + * flavor, the TLS server walk fences its out-of-bounds members with + * the catchable runtime fence, and h2 session-tuning keys drop exactly + * like the literal walk ignores them. May throw. The Cb form carries + * the eager compat handler. */ + "http2.createSecureServerDyn": { argTypes: [DYN], result: NETSERVER_T }, + "http2.createSecureServerDynCb": { argTypes: [DYN, null], result: NETSERVER_T }, + // tls.connect(port, host, opts[, cb]) — port -1 / host "" read the + // options record; the callback fires post-handshake (secureConnect). + /** tls.connect — the TLS client socket: (port, host, opts[, cb]) where + * port -1 reads options.port, host "" reads options.host, and opts is + * the runtime (dyn) options record (rejectUnauthorized/ca/servername + * implemented; other documented members throw the runtime fence). The + * callback fires post-handshake — Node's secureConnect timing. */ + "tls.connect": { argTypes: [F64, STRING, DYN], result: NETSOCKET_T }, + "tls.connectCb": { argTypes: [F64, STRING, DYN, null], result: NETSOCKET_T }, + // The TLSSocket member surface (authError's `string | null` union is + // shape-checked in the special cases in validate.ts — the reqHeader pattern). + /** The TLSSocket member surface on the socket kind: authorized (bool — + * Node's verify verdict), authorizationError (the verify-failure CODE + * STRING or null), the 'secureConnect' registration (a TLS socket's + * conn list fires at establishment; plain sockets never fire it), and + * the 'session' registration (fires once with the serialized session — + * a Buffer; the received-ticket event). */ + "tls.sockAuthorized": { argTypes: [NETSOCKET_T], result: BOOL }, + /** getProtocol() (string | null), getCipher() (CipherNameAndProtocol, + * undefined before the handshake, null after close) and alpnProtocol + * (string | false | null), as dyn values. */ + "tls.sockGetProtocol": { argTypes: [NETSOCKET_T], result: DYN }, + "tls.sockGetCipher": { argTypes: [NETSOCKET_T], result: DYN }, + "tls.sockAlpnProtocol": { argTypes: [NETSOCKET_T], result: DYN }, + /** getPeerCertificate(detailed) and getCertificate() (the legacy object, + * {} or null; scr_tls_x509.c), and the DER behind getPeerX509Certificate() + * and getX509Certificate() (a Buffer, empty without a certificate). */ + "tls.sockGetPeerCertificate": { argTypes: [NETSOCKET_T, DYN], result: DYN }, + "tls.sockGetCertificate": { argTypes: [NETSOCKET_T], result: DYN }, + "tls.sockPeerCertDer": { argTypes: [NETSOCKET_T], result: BYTES_U8 }, + "tls.sockOwnCertDer": { argTypes: [NETSOCKET_T], result: BYTES_U8 }, + "tls.sockAuthError": { argTypes: [NETSOCKET_T], result: VOID }, + "tls.sockOnSecureConnect": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "tls.sockOnSession": { argTypes: [NETSOCKET_T, null, BOOL], result: VOID }, + /** The 'secure' event: the handshake completed (after secureConnect on + * a client). Plain sockets never fire it. */ + "tls.sockOnSecure": { + argTypes: [NETSOCKET_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + /** new tls.TLSSocket(socket, options) in server mode: a new TLS socket + * takes over the socket's connection (wrapSocketCtx passes a literal's + * secureContext member apart from the runtime options record). The + * record reads at runtime: isServer, cert, key, ALPNProtocols, + * minVersion and maxVersion are implemented, the client mode and other + * documented members throw the runtime fence. MAY THROW. */ + "tls.wrapSocket": { argTypes: [NETSOCKET_T, DYN], result: NETSOCKET_T }, + "tls.wrapSocketCtx": { argTypes: [NETSOCKET_T, DYN, SECURECTX_T], result: NETSOCKET_T }, + // createSecureContext({ cert, key }) mints the opaque SNI-answer handle. + /** tls.createSecureContext({ cert, key }) — parses the PEM pair into an + * opaque SecureContext handle (secureCtx kind) for SNI callbacks to + * answer with; cert/key are PEM strings or Buffers like createServer's. */ + "tls.createSecureContext": { argTypes: [null, null], result: SECURECTX_T }, + /** createSecureContext over a RUNTIME options record (the checked- + * dynamic lane): Node's typed option validations first (the ciphers/ + * passphrase/engine/version/timeout/ticketKeys ladders), then the pem + * walk — a validated { cert, key } bag builds the real context. + * May-throw. */ + "tls.createSecureContextDyn": { argTypes: [DYN], result: SECURECTX_T }, + /** server.addContext(servername, options | SecureContext), + * server.setSecureContext(options) and the 'tlsClientError' listener of + * a tls or https server (scr_tls.c). */ + "tls.serverAddContext": { argTypes: [NETSERVER_T, DYN, DYN], result: VOID }, + "tls.serverAddContextCtx": { argTypes: [NETSERVER_T, DYN, SECURECTX_T], result: VOID }, + "tls.serverSetSecureContext": { argTypes: [NETSERVER_T, DYN], result: VOID }, + "tls.serverOnClientError": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + /** tls.getCACertificates(type): validateString + the documented name + * set, then the trailing compiler-rendered fence — ALWAYS THROWS (the + * error.nodeThrow polymorphic-result carve-out). May-throw seed. */ + "tls.caCertsChk": { argTypes: [DYN, STRING], result: VOID }, + // The CA-store introspection unit (scr_tls_ca.c): per-type cached PEM + // string arrays and the default-set replacement. + /** The CA-store introspection surface (scr_tls_ca.c — its own unit and + * link gate, "tlsca." NOT "tls.", so a getCACertificates-only binary + * never pulls mbedTLS): tlsca.get is tls.getCACertificates(type) — the + * cached per-type string[] of PEM blocks (identity-stable across calls, + * Node's caching; an unknown type throws Node's ERR_INVALID_ARG_VALUE + * TypeError); tlsca.root is the tls.rootCertificates value read; + * tlsca.set is tls.setDefaultCACertificates(certs) — replaces the + * default set (deduped) and the anchors the TLS client verifies + * against, throwing Node's ERR_CRYPTO_OPERATION_FAILED when no entry + * carries a certificate block. */ + "tlsca.get": { argTypes: [STRING], result: arrayOf(STRING) }, + "tlsca.root": { argTypes: [], result: arrayOf(STRING) }, + "tlsca.set": { argTypes: [arrayOf(STRING)], result: VOID }, + "https.createServer": { argTypes: [null, null, null], result: NETSERVER_T }, + // http2's allowHTTP1 compatibility server (divergence 57): cert/key + // like tls.createServer; the 'request' handler arrives separately via + // http.serverOnRequest (shape checked in the libCall case, like + // http.createServer's). sessionError callback shape is checked by validate.ts. + /** node:http2 allowHTTP1: one TLS server advertises h2 + http/1.1 and + * dispatches to the matching parser after ALPN. Request listeners mirror + * into both compatibility lists; the remaining session/req.stream rows + * below retain their explicitly limited behavior. */ + "http2.createSecureServer": { argTypes: [null, null, BOOL], result: NETSERVER_T }, + // The SNI-callback form: arg 2 is the JS SNICallback closure — a + // `(servername, cb) => void` func, or its `| undefined` union from the + // conditional-spread spelling (the libCall case checks the shape). + /** createSecureServer with an SNI callback: args are (cert, key, sniCb) + * where sniCb is the JS SNICallback — a `(servername, cb) => void` + * closure, or the `SNICallback | undefined` union from the conditional- + * spread spelling (`...(x ? { SNICallback: x } : {})`; the emitter + * unwraps the union — the undefined arm means "no callback", exactly + * the no-SNI server). The runtime parses each connection's ClientHello + * for the server_name extension BEFORE the TLS handshake begins, calls + * the callback with (servername, answer-closure), and resumes the + * handshake when the answer arrives — cb(err) tears the socket down + * without an error event (Node's 'tlsClientError' default), cb(null, ctx) serves + * ctx's cert/key, cb(null, undefined) serves the default pair. */ + "http2.createSecureServerSni": { argTypes: [null, null, null, BOOL], result: NETSERVER_T }, + // The ALPN=h2 server (createSecureServer without allowHTTP1): the real + // h2 session machinery behind the TLS handshake. + /** The REAL h2-over-TLS server (createSecureServer WITHOUT allowHTTP1): + * scr_http2_create_secure_server — the h2c session machinery behind an + * mbedTLS handshake whose ALPN advertises h2 alone (an http/1.1-only + * client fails the handshake with no_application_protocol, Node's + * h2-only split). args are (cert, key) — PEM strings or Buffers. */ + "http2.createSecureServerH2": { argTypes: [null, null, BOOL], result: NETSERVER_T }, + "http.serverOnRequest": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + /** server.on('checkContinue' | 'checkExpectation', (req, res)): the + * 'request' listener shape; the last argument picks checkExpectation. */ + "http.serverOnCheck": { argTypes: [NETSERVER_T, null, BOOL, BOOL], result: VOID }, + "http2.serverOnSessionError": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + /** The guarded absent-session compatibility call remains a no-op. */ + "http2.streamNoop": { argTypes: [], result: VOID }, + /** The UNGUARDED h2-only stream call (`req.stream.on(...)`): stream is + * undefined on every connection the allowHTTP1 lowering accepts — and + * on every HTTP/1.1 connection of Node's own allowHTTP1 server — so the + * call IS Node's member read on undefined: throws the exact catchable + * TypeError ("Cannot read properties of undefined (reading 'on')"). + * One arg: the read member's name (a string literal). Never returns. */ + "http2.streamUndefCall": { argTypes: [STRING], result: VOID }, + // The REAL h2c surface (scr_http2.c). Callback slots are null (the + // emitter picks the thunk); pairs slots are string arrays; the + // endStream tri-state and event flags ride as f64. + /** node:http2, the REAL h2c surface (scr_http2.c — frame codec + HPACK + * over the net loop; the design note atop that file has the story). + * Sessions and streams are first-class handle kinds; 'stream'/'response' + * payloads cross as flat [name, value, ...] pairs arrays and an EMITTED + * adapter closure builds the program-side headers record (the response + * :status rides separately as a number). */ + "http2.createServer": { argTypes: [], result: NETSERVER_T }, + "http2.createServerReq": { argTypes: [null], result: NETSERVER_T }, + "http2.serverOnStream": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + "http2.serverOnSession": { argTypes: [NETSERVER_T, null, BOOL], result: VOID }, + // connect(authority, reject, ca[, cb]): the TLS client knobs an https + // authority reads (inert on http ones, exactly Node); ca is a PEM + // string/Buffer ("" = the system anchors). + /** connect(authority[, listener]) — h2c prior knowledge; the listener + * closure (if any) is the 'connect' once-listener. */ + "http2.connect": { argTypes: [STRING, BOOL, null], result: HTTP2SESSION_T }, + "http2.connectCb": { argTypes: [STRING, BOOL, null, null], result: HTTP2SESSION_T }, + /** session.request(pairs?, endStream) — endStream is a tri-state f64: + * -1 the method's payload-meaningless default, 0/1 explicit. */ + "http2.sessionRequest": { + argTypes: [HTTP2SESSION_T, arrayOf(STRING), F64], + result: HTTP2STREAM_T, + }, + "http2.sessionClose": { argTypes: [HTTP2SESSION_T], result: VOID }, + "http2.sessionCloseCb": { argTypes: [HTTP2SESSION_T, null], result: VOID }, + "http2.sessionDestroy": { argTypes: [HTTP2SESSION_T], result: VOID }, + "http2.sessionOnClose": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, + "http2.sessionOnError": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, + "http2.sessionOnConnect": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, + "http2.sessionOnStream": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, + "http2.sessionOnGoaway": { argTypes: [HTTP2SESSION_T, null, BOOL], result: VOID }, + "http2.sessionClosed": { argTypes: [HTTP2SESSION_T], result: BOOL }, + "http2.sessionDestroyed": { argTypes: [HTTP2SESSION_T], result: BOOL }, + "http2.sessionEncrypted": { argTypes: [HTTP2SESSION_T], result: BOOL }, + "http2.sessionType": { argTypes: [HTTP2SESSION_T], result: F64 }, + "http2.sessionAlpn": { argTypes: [HTTP2SESSION_T], result: STRING }, + "http2.sessionSocket": { argTypes: [HTTP2SESSION_T], result: NETSOCKET_T }, + /** stream.respond(pairs?, endStream) — the server answer. */ + "http2.streamRespond": { argTypes: [HTTP2STREAM_T, arrayOf(STRING), BOOL], result: VOID }, + "http2.streamWrite": { argTypes: [HTTP2STREAM_T, STRING], result: VOID }, + "http2.streamWriteBytes": { argTypes: [HTTP2STREAM_T, BYTES_U8], result: VOID }, + "http2.streamEnd": { argTypes: [HTTP2STREAM_T], result: VOID }, + "http2.streamEndStr": { argTypes: [HTTP2STREAM_T, STRING], result: VOID }, + "http2.streamEndBytes": { argTypes: [HTTP2STREAM_T, BYTES_U8], result: VOID }, + "http2.streamClose": { argTypes: [HTTP2STREAM_T, F64], result: VOID }, + "http2.streamCloseCb": { argTypes: [HTTP2STREAM_T, F64, null], result: VOID }, + "http2.streamDestroy": { argTypes: [HTTP2STREAM_T], result: VOID }, + "http2.sessionSettings0": { argTypes: [HTTP2SESSION_T], result: VOID }, + "http2.sessionSettings": { argTypes: [HTTP2SESSION_T, DYN], result: VOID }, + "http2.sessionSettingsDynCb": { argTypes: [HTTP2SESSION_T, DYN, DYN], result: VOID }, + "http2.sessionSettingsCb0": { + argTypes: [HTTP2SESSION_T, DYN, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "http2.sessionOnSettingsDyn": { argTypes: [HTTP2SESSION_T, DYN, BOOL, BOOL], result: VOID }, + "http2.sessionOnSettings0": { + argTypes: [HTTP2SESSION_T, { kind: "func", params: [], ret: VOID }, BOOL, BOOL], + result: VOID, + }, + "http2.sessionSettingsGet": { argTypes: [HTTP2SESSION_T, BOOL], result: DYN }, + "http2.sessionPendingSettingsAck": { argTypes: [HTTP2SESSION_T], result: BOOL }, + "http2.getDefaultSettings": { argTypes: [], result: DYN }, + "http2.streamSetEncoding": { argTypes: [HTTP2STREAM_T, STRING], result: VOID }, + "http2.streamSetEncodingRet": { argTypes: [HTTP2STREAM_T, STRING], result: HTTP2STREAM_T }, + "http2.streamResume": { argTypes: [HTTP2STREAM_T], result: VOID }, + "http2.streamPause": { argTypes: [HTTP2STREAM_T], result: VOID }, + "http2.streamOnData": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, + "http2.streamOnEnd": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, + "http2.streamOnClose": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, + "http2.streamOnAborted": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, + "http2.streamOnError": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, + "http2.streamOnResponse": { argTypes: [HTTP2STREAM_T, null, BOOL], result: VOID }, + "http2.streamId": { argTypes: [HTTP2STREAM_T], result: F64 }, + "http2.streamRstCode": { argTypes: [HTTP2STREAM_T], result: F64 }, + "http2.streamDestroyed": { argTypes: [HTTP2STREAM_T], result: BOOL }, + "http2.streamClosed": { argTypes: [HTTP2STREAM_T], result: BOOL }, + "http2.streamAborted": { argTypes: [HTTP2STREAM_T], result: BOOL }, + "http2.streamPending": { argTypes: [HTTP2STREAM_T], result: BOOL }, + "http2.streamSession": { argTypes: [HTTP2STREAM_T], result: HTTP2SESSION_T }, + // The createConnection forms: arg 0 is the dialer closure (() => + // Socket — the libCall case checks), then path/method/timeout/headers/ + // autoEnd like http.request. + /** The createConnection form (the proxy's own dialer): args are + * (connCb, path, method, timeout, headers, autoEnd[, cb]) — connCb is + * a `() => net.Socket` closure the runtime invokes ONCE, synchronously + * (Node's onSocket timing); everything else matches http.request. The + * Host header defaults to "localhost" — a headers.host entry wins + * verbatim, the proxy shape. */ + "http.requestConn": { + argTypes: [null, STRING, STRING, F64, arrayOf(STRING), BOOL], + result: HTTPCLIENTREQ_T, + }, + "http.requestConnCb": { + argTypes: [null, STRING, STRING, F64, arrayOf(STRING), BOOL, null], + result: HTTPCLIENTREQ_T, + }, + "https.request": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null], + result: HTTPCLIENTREQ_T, + }, + "https.requestCb": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, null], + result: HTTPCLIENTREQ_T, + }, + /** The URL-string first argument, the http.requestUrl row over TLS: + * no options means Node's defaults (verification on, default trust + * anchors), and a non-https scheme is ERR_INVALID_PROTOCOL. */ + "https.requestUrl": { argTypes: [STRING, STRING, BOOL], result: HTTPCLIENTREQ_T }, + "https.requestUrlCb": { argTypes: [STRING, STRING, BOOL, null], result: HTTPCLIENTREQ_T }, + "https.requestAgent": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, DYN], + result: HTTPCLIENTREQ_T, + }, + "https.requestAgentCb": { + argTypes: [STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, DYN, null], + result: HTTPCLIENTREQ_T, + }, + // The requestFn binding's runtime-secure rows: https.request's shape + // with the leading `secure` bool. + /** A call through a `const requestFn = tls ? https.request : + * http.request` binding — the module-function-as-value ternary between + * the two known clients: the https.request row with a leading `secure` + * bool that picks the dial at RUNTIME (true = the TLS client, exactly + * https.request; false = the plain client, exactly http.request — + * rejectUnauthorized/ca ignored there like Node ignores TLS options on + * http.request). The "https." prefix keeps the TLS unit linked. */ + "https.requestFn": { + argTypes: [BOOL, STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null], + result: HTTPCLIENTREQ_T, + }, + "https.requestFnCb": { + argTypes: [BOOL, STRING, F64, STRING, STRING, F64, arrayOf(STRING), BOOL, BOOL, null, null], + result: HTTPCLIENTREQ_T, + }, + "http.clientWrite": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, + "http.clientSetHeader": { argTypes: [HTTPCLIENTREQ_T, STRING, STRING], result: VOID }, + "http.clientGetHeader": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, + "http.clientHasHeader": { argTypes: [HTTPCLIENTREQ_T, STRING], result: BOOL }, + "http.clientRemoveHeader": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, + "http.clientGetHeaderNames": { argTypes: [HTTPCLIENTREQ_T], result: arrayOf(STRING) }, + "http.clientGetRawHeaderNames": { argTypes: [HTTPCLIENTREQ_T], result: arrayOf(STRING) }, + "http.clientGetHeaders": { argTypes: [HTTPCLIENTREQ_T], result: DYN }, + "http.clientWriteBytes": { argTypes: [HTTPCLIENTREQ_T, BYTES_U8], result: VOID }, + "http.clientEnd": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, + "http.clientEndStr": { argTypes: [HTTPCLIENTREQ_T, STRING], result: VOID }, + "http.clientEndBytes": { argTypes: [HTTPCLIENTREQ_T, BYTES_U8], result: VOID }, + /** The checked-dynamic chunk twins (the net.sockWriteDyn story). */ + "http.clientWriteDyn": { argTypes: [HTTPCLIENTREQ_T, DYN], result: VOID }, + "http.clientEndDyn": { argTypes: [HTTPCLIENTREQ_T, DYN], result: VOID }, + "http.clientFlushHeaders": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, + "http.clientAddTrailers": { argTypes: [HTTPCLIENTREQ_T, arrayOf(STRING)], result: VOID }, + "http.clientCork": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, + "http.clientUncork": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, + "http.clientWritableCorked": { argTypes: [HTTPCLIENTREQ_T], result: F64 }, + "http.clientMethod": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, + "http.clientPath": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, + "http.clientHost": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, + "http.clientProtocol": { argTypes: [HTTPCLIENTREQ_T], result: STRING }, + "http.clientHeadersSent": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, + "http.clientWritableEnded": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, + "http.clientWritableFinished": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, + "http.clientSocket": { argTypes: [HTTPCLIENTREQ_T], result: NETSOCKET_T }, + "http.clientReusedSocket": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, + "http.clientSetNoDelay": { argTypes: [HTTPCLIENTREQ_T, BOOL], result: VOID }, + "http.clientSetSocketKeepAlive": { argTypes: [HTTPCLIENTREQ_T, BOOL, F64], result: VOID }, + "http.clientSetTimeout": { argTypes: [HTTPCLIENTREQ_T, F64], result: VOID }, + "http.clientSetTimeoutCb": { + argTypes: [HTTPCLIENTREQ_T, F64, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "http.statusCodes": { argTypes: [], result: DYN }, + "http.methods": { argTypes: [], result: arrayOf(STRING) }, + "http.reqSetTimeout": { argTypes: [HTTPREQ_T, F64], result: VOID }, + "http.reqSetTimeoutCb": { + argTypes: [HTTPREQ_T, F64, { kind: "func", params: [], ret: VOID }], + result: VOID, + }, + "http.clientDestroy": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, + "http.clientAbort": { argTypes: [HTTPCLIENTREQ_T], result: VOID }, + "http.clientAborted": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, + "http.clientDestroyed": { argTypes: [HTTPCLIENTREQ_T], result: BOOL }, + "http.clientOnResponse": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, + "http.clientOnSocket": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, + "http.clientOnFinish": { + argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.clientOnError": { argTypes: [HTTPCLIENTREQ_T, null, BOOL], result: VOID }, + "http.clientOnTimeout": { + argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.clientOnClose": { + argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.clientOnAbort": { + argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + "http.clientOnContinue": { + argTypes: [HTTPCLIENTREQ_T, { kind: "func", params: [], ret: VOID }, BOOL], + result: VOID, + }, + /** execFileSync/execSync as ONE entry (args: cmd, argv, shell, input, + * cwd, hasEnv, envPairs, timeoutMs, stdoutMode, stderrMode, buffers — + * see scr_child.h). Throws Node's exact errors: "Command failed: " + * (+ captured stderr) on non-zero exit or signal death, "spawnSync + * ENOENT" on spawn failure, "spawnSync ETIMEDOUT" after + * the SIGTERM timeout, with Node's status, signal, output, pid, stdout + * and stderr properties (Buffer outputs when buffers is set: no + * encoding option). Result is the captured utf8 stdout (+1). */ + "cp.execSync": { + argTypes: [ + STRING, + arrayOf(STRING), + BOOL, + STRING, + BOOL, + STRING, + BOOL, + arrayOf(STRING), + F64, + F64, + F64, + BOOL, + ], + result: STRING, + }, + /** The promisified-execFile/exec capture (args: cmd, argv, shell, cwd, + * hasEnv, envPairs, timeoutMs; shell marks exec's /bin/sh -c argv, as + * for execSync, so failures display the command string): the same exec + * core in the async shape — both streams captured, no echo, Node's ASYNC messages on the throw paths + * ("Command failed: \n" with the unconditional newline, + * "spawn ENOENT" with .code, timeouts reporting as ordinary + * SIGTERM command failures — never ETIMEDOUT). Result reuses the + * ScrSpawnRes container (+1; stdout/stderr strings, status unused). + * Called only from the frontend's interned %execFileAsync and + * %execAsync ASYNC helpers, whose fiber turns the throw into the + * rejection. */ + "cp.execCapture": { + argTypes: [STRING, arrayOf(STRING), BOOL, STRING, BOOL, arrayOf(STRING), F64], + result: SPAWNRES_T, + }, + /** child_process.spawn (scr_child.c + the scr_async.c loop): posix_spawnp + * with per-slot ignore/inherit/pipe modes (and number output fds), the + * all-piped Node default, and the child registered with the event loop, + * which polls waitpid(WNOHANG) at quiescence like timers. + * NEVER throws: spawn failure defers to the "error" event, Node-exact + * (the error message is Node's "spawn "; an "error" + * event with no listener prints it and exits 1 like an EventEmitter). + * cmd/args borrowed; result an owned (+1) child handle. The loop will + * not exhaust while any spawned child is unreaped — Node's keep-alive. + * + * child.onExit / child.onClose / child.onError — terminal listener + * registration through child.on/once. Close uses the exit adapter shape + * but fires only after every piped stdio handle reaches EOF. The + * receiver is borrowed, the CALLBACK MOVES into the child's listener + * registry (released after the terminal event fires, or at reap for + * the event that never fires). Both are void (chaining is fenced). + * onExit's third emitted ingredient is an ADAPTER the backend interns + * per callback shape: the runtime invokes adapter(cb, has_code, code) + * and the adapter builds the `number | null` union (tags are program- + * dependent) or ignores the code for a zero-param callback. onError's + * adapters are runtime-provided (zero-param, or the %Error one-param + * shape — scr_error_new needs no program types). "exit" fires once + * with the code (f64 arm) or null (signal death); "error" fires only + * for spawn failure, exactly Node's split. */ + "cp.spawn": { argTypes: [STRING, arrayOf(STRING)], result: CHILD_T }, + /** Static-native fork startup and IPC. process.forkTarget initializes a + * re-executed child's inherited channel and returns its embedded target id + * (-1 in the parent). The remaining entries mirror Node's JSON channel. */ + "process.forkTarget": { argTypes: [F64], result: F64 }, + "cp.fork": { + argTypes: [F64, arrayOf(STRING), F64, F64, F64, BOOL, arrayOf(STRING), STRING], + result: CHILD_T, + }, + "child.connected": { argTypes: [CHILD_T], result: BOOL }, + "child.hasChannel": { argTypes: [CHILD_T], result: BOOL }, + "child.send": { argTypes: [CHILD_T, STRING], result: BOOL }, + "child.sendCb": { argTypes: [CHILD_T, STRING, null], result: BOOL }, + "child.disconnect": { argTypes: [CHILD_T], result: VOID }, + "child.onMessage": { argTypes: [CHILD_T, null, BOOL], result: VOID }, + "child.onDisconnect": { argTypes: [CHILD_T, null, BOOL], result: VOID }, + "child.onSpawn": { argTypes: [CHILD_T, null], result: VOID }, + /** Rest listeners use the checked function bridge to pack event arguments. */ + "child.onDyn": { argTypes: [CHILD_T, STRING, DYN], result: VOID }, + // Own properties JavaScript adds to children (handle-properties.ts). + "child.propsInstall": { argTypes: [], result: VOID }, + "child.propsDefine": { argTypes: [DYN, DYN, DYN], result: DYN }, + "child.propsDescriptor": { argTypes: [DYN, DYN], result: DYN }, + "child.propsResolve": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "child.propsOnDyn": { argTypes: [CHILD_T, STRING, DYN], result: VOID }, + "process.connected": { argTypes: [], result: BOOL }, + /** Whether this fork child opened its channel; part of process.send's + * presence in programs with fork targets. Never throws. */ + "process.ipcOpen": { argTypes: [], result: BOOL }, + "process.send": { argTypes: [STRING], result: BOOL }, + "process.sendCb": { argTypes: [STRING, null], result: BOOL }, + "process.disconnect": { argTypes: [], result: VOID }, + "process.onMessage": { argTypes: [null, BOOL], result: VOID }, + "process.onDisconnect": { argTypes: [null, BOOL], result: VOID }, + /** child_process.execFile's callback slice: starts an all-piped child, + * captures stdout/stderr, and moves the error-first callback into the + * child registry. The callback shape is program-dependent and checked + * by the validator/backends. The last argument is exec's shell flag: + * the argv is ["-c", command] and failure messages show the command. */ + "cp.execFile": { argTypes: [STRING, arrayOf(STRING), null, BOOL], result: CHILD_T }, + // spawn's options form: per-slot stdio modes (0 ignore / 1 inherit / + // 2 fd) with the out/err fds for mode 2, detached, env replacement + // pairs, cwd ("" = inherit). + /** spawn with options (scr_child.c): the cp.spawn core plus PER-SLOT + * stdio — args are (cmd, argv, inMode, outMode, errMode, outFd, errFd, + * detached, hasEnv, envPairs, cwd); modes 0 ignore (/dev/null), 1 + * inherit, 2 fd (out/err only — the fd dup2s into the child's slot, + * Node's stdio fd form; the daemon-log idiom ["ignore", logFd, logFd]). + * detached is POSIX_SPAWN_SETSID (the child gets its own session and + * process group, Node's semantics), env is a REPLACEMENT ([k,v,...] + * pairs like cp.execSync's), cwd ""=inherit. Same event/loop story as + * cp.spawn. */ + "cp.spawnOpts": { + argTypes: [ + STRING, + arrayOf(STRING), + F64, + F64, + F64, + F64, + F64, + BOOL, + BOOL, + BOOL, + arrayOf(STRING), + STRING, + ], + result: CHILD_T, + }, + /** Runtime options normalized into the native spawn core; unsupported + * process features retain explicit refusals. (command, args, options). */ + "cp.spawnDynamic": { argTypes: [STRING, arrayOf(STRING), DYN], result: CHILD_T }, + // The callback's func type is program-dependent (zero params, or the + // `number | null` union / the %Error class) — the libCall case checks + // the shape; the slot here only pins arity and the child receiver. + "child.onExit": { argTypes: [CHILD_T, null], result: VOID }, + "child.onClose": { argTypes: [CHILD_T, null], result: VOID }, + "child.onError": { argTypes: [CHILD_T, null], result: VOID }, + // Like process.envGet, spawnRes.status's result type is program-dependent + // (the interned `number | null` union) — the libCall case checks the arms. + "spawnRes.status": { argTypes: [SPAWNRES_T], result: VOID }, + // spawnRes.error's result is the interned `Error | undefined` union — + // the libCall case checks the arms, the spawnRes.status pattern. + /** Node's spawn-failure carrier `error?: Error`: a fresh +1 %Error + * ("spawnSync ENOENT", `code` stamped) when the spawn itself + * failed, the interned undefined arm otherwise — the result type is the + * call site's `Error | undefined` union, constructed type-directedly in + * the backend (the envGet convention). Never throws. */ + "spawnRes.error": { argTypes: [SPAWNRES_T], result: VOID }, + // spawnRes.signal's result is the interned `string | null` union — + // same pattern. + "spawnRes.signal": { argTypes: [SPAWNRES_T], result: VOID }, + // The ChildProcess lifecycle members: pid/exitCode are program-dependent + // unions (`number | undefined` / `number | null` — the libCall case + // checks the arms, the spawnRes.status pattern). + /** The ChildProcess lifecycle members (scr_child.c), Node's shapes + * exactly (SEMANTICS.md has the pinned matrix). child.pid is the + * checker's `number | undefined` (undefined = spawn failure) and + * child.exitCode its `number | null` (null while running and after a + * signal death; -errno once a spawn failure settled) — both unions are + * type-directed constructions in the backend over a has/get runtime + * pair, the spawnRes.status pattern. child.killed is Node's + * sent-a-signal flag. child.kill sends while the child is un-reaped + * (false after — Node's null-handle answer) and THROWS the + * Unknown-signal TypeError on bad names (may-throw); killNum passes + * numbers through (0 probes; never throws). child.unref drops the + * child from the loop's keep-alive set — it is still reaped while the + * loop runs for other reasons, and one the loop never reaps is left to + * the OS at exit. All receivers borrowed. */ + "child.pid": { argTypes: [CHILD_T], result: VOID }, + "child.exitCode": { argTypes: [CHILD_T], result: VOID }, + // The close-override pair: the bound close's result func type and the + // override's func argument are program-dependent (the callback union's + // tags) — the slots pin the server receiver; the libCall case checks + // the bound value's shape. + /** The close-override pair (the portless close-proxy idiom). + * serverCloseBind is `wrapper.close.bind(wrapper)` as a VALUE: a + * compiler-emitted closure over the server whose invocation runs the + * REAL close (scr_net_server_close_direct — never the override), so + * the override body's `origClose(cb)` cannot recurse; its callback + * argument (the `((err?: Error) => void) | undefined` union) registers + * as a once-'close' listener, a one-param callback wrapped by an + * emitted zero-arg trampoline firing the undefined arm (a clean close + * carries no error). serverSetCloseOverride is `wrapper.close = fn`: + * the override MOVES in behind an emitted zero-arg wrapper (it invokes + * the user function with the undefined-arm callback — tags are program + * data), and server.close() consults it before closing. */ + "net.serverCloseBind": { argTypes: [NETSERVER_T], result: VOID }, + "net.serverSetCloseOverride": { argTypes: [NETSERVER_T, null], result: VOID }, + // The piped-output stream reads: `Readable | null` unions (the libCall + // case checks the arms — the child.pid pattern with a ref arm). + /** The piped-output streams (stdio mode 3 — scr_child.c's stream + * slice). child.stdout/child.stderr answer the checker's + * `Readable | null` union (type-directed construction in the backend + * over the +1-or-NULL runtime pair — the child.pid pattern with a ref + * arm). stream.onData/onEnd register 'data'/'end' listeners (receiver + * borrowed, CALLBACK MOVES, trailing once-flag, void — chaining + * fenced): 'data' fires one Buffer chunk per read (zero-param and + * Buffer/string adapters are runtime-provided; setEncoding threads + * split multibyte sequences through the shared StringDecoder core. A + * union-param listener — + * ngrok's `Buffer | string` — gets a compiler-emitted adapter wrapping + * the chunk at its Buffer arm), 'end' fires once at EOF, always BEFORE + * the child's 'exit' (the pinned ordering). A flowing stream keeps the + * loop alive: usesTimers. */ + "child.stdout": { argTypes: [CHILD_T], result: VOID }, + "child.stderr": { argTypes: [CHILD_T], result: VOID }, + /** The piped-input writer (stdio mode 3 on fd 0). child.stdin answers + * `Writable | null`; writes copy borrowed data into the nonblocking + * queue, end/destroy settle it, writable is a pure state read, and + * listener callbacks move into the writer registry. */ + "child.stdin": { argTypes: [CHILD_T], result: VOID }, + /** Under the general stream representation (general-streams.ts), a + * stdio read (slot 0, 1 or 2) answers the child's bridged runtime stream + * — `Writable | null` for stdin, `Readable | null` otherwise; the bridge + * throws when the program lacks the stream unit's boxing helpers. */ + "child.stdioStream": { argTypes: [CHILD_T, F64], result: VOID }, + // Listener registrations: callback func shapes are program-dependent + // (zero-param / Buffer / string / unknown / Buffer-armed union) — the slots pin arity, + // the stream receiver, and the once-flag. + "stream.onData": { argTypes: [CHILDSTREAM_T, null, BOOL], result: VOID }, + "stream.onDataStr": { argTypes: [CHILDSTREAM_T, null, BOOL], result: VOID }, + "stream.onEnd": { argTypes: [CHILDSTREAM_T, null, BOOL], result: VOID }, + "stream.childSetEncoding": { argTypes: [CHILDSTREAM_T, STRING], result: CHILDSTREAM_T }, + "writer.writeString": { argTypes: [CHILDWRITER_T, STRING], result: BOOL }, + "writer.writeBytes": { argTypes: [CHILDWRITER_T, BYTES_U8], result: BOOL }, + "writer.end": { argTypes: [CHILDWRITER_T], result: VOID }, + "writer.destroy": { argTypes: [CHILDWRITER_T], result: VOID }, + "writer.writable": { argTypes: [CHILDWRITER_T], result: BOOL }, + "writer.onDrain": { argTypes: [CHILDWRITER_T, null, BOOL], result: VOID }, + "writer.onFinish": { argTypes: [CHILDWRITER_T, null, BOOL], result: VOID }, + "writer.onError": { argTypes: [CHILDWRITER_T, null, BOOL], result: VOID }, + /** The first-class WritableStream write (`output.write(line)` — the + * prefixStream idiom): the receiver IS the fd scalar (process.stdout/ + * stderr reads mint 1/2), dispatched onto the exact stdoutWrite/ + * stderrWrite paths so buffering and ordering stay identical. Data + * borrowed; the bool is Node's always-true backpressure signal. */ + "procStream.write": { argTypes: [PROCSTREAM_T, STRING], result: BOOL }, + /** process.stdout/stderr flowing into a runtime Writable slot under the + * general stream representation: an fd-backed Writable (+1) whose + * writes take process.stdout.write's synchronous path. */ + /** A pipeline() stage that is a checked-dynamic value: a boxed native + * stream unwraps by identity (+1); anything else throws the given + * not-supported message. Typed as a Duplex so every stage position + * accepts it; the runtime pipeline checks the stream's real sides. */ + "stream.unboxDyn": { + argTypes: [DYN, STRING], + result: { kind: "object", className: "%Duplex" }, + }, + /** Whether pipeline() pumps a checked-dynamic first stage as an + * iterable (a string, or a value with an iterator method that is not a + * stream with pipe() and on()) instead of piping it as a stream. */ + "stream.dynIterableSource": { argTypes: [DYN], result: BOOL }, + /** The Transform a Cipheriv or Decipheriv reads and writes as a stream + * (+1, created on first use and owned by the cipher). */ + "stream.handleStream": { + argTypes: [DYN], + result: { kind: "object", className: "%Transform" }, + }, + /** Checked-dynamic stream slots (dyn-streams.ts): the native stream a + * checked-dynamic value boxes (+1) — a runtime stream with the readable + * (1) or writable (2) side — or null for any other value. Never throws; + * the result union is `%Readable | null` or `%Writable | null`. */ + "stream.dynNative": { argTypes: [DYN, F64], result: VOID }, + /** stream.dynNative for a pipe or unpipe destination: also a + * constructor-function stream's runtime stream, in programs that link + * that unit, unless it overrides write() or end(). */ + "stream.dynNativePipe": { argTypes: [DYN, F64], result: VOID }, + /** readable.pipe(destination, end) into a checked-dynamic destination + * that is not a native stream: [source, the source boxed, destination, + * end]. Node's pipe listener protocol over the destination's members + * (scr_stream_dyn.c); throws what those members throw. */ + "stream.pipeDyn": { argTypes: [null, DYN, DYN, BOOL], result: VOID }, + /** readable.unpipe(destination) for a checked-dynamic destination that + * is not a native stream: [source, destination]. Unpipes the pipe + * stream.pipeDyn registered into it, if any (scr_stream_dyn.c). */ + "stream.unpipeDyn": { argTypes: [null, DYN], result: VOID }, + "stream.stdioWritable": { + argTypes: [PROCSTREAM_T], + result: { kind: "object", className: "%Writable" }, + }, + "child.killed": { argTypes: [CHILD_T], result: BOOL }, + "child.kill": { argTypes: [CHILD_T, STRING], result: BOOL }, + "child.killNum": { argTypes: [CHILD_T, F64], result: BOOL }, + "child.unref": { argTypes: [CHILD_T], result: VOID }, + "child.ref": { argTypes: [CHILD_T], result: VOID }, + "spawnRes.stdout": { argTypes: [SPAWNRES_T], result: STRING }, + "spawnRes.stderr": { argTypes: [SPAWNRES_T], result: STRING }, + /** fs/promises (scr_lib.c over scr_async.c's settled minting): the SAME + * sync syscalls, wrapped in an ALREADY-SETTLED promise — failure + * REJECTS (catchable at the await) instead of throwing, so none of + * these are in the may-throw seed. readFile is utf8-fenced like + * readFileSync. The non-interleaving divergence is documented in + * SEMANTICS.md. */ + /** node:crypto randomness: randomUUID plus randomBytes as either a real + * Buffer or the fused randomBytes(n).toString("hex"|"base64") path. + * The size-taking forms throw Node's RangeError on invalid values. */ + "crypto.randomUUID": { argTypes: [], result: STRING }, + "crypto.randomBytesToString": { argTypes: [F64, STRING], result: STRING }, + /** crypto.randomBytes(n) → a real u8 Buffer (+1). THROWS Node's + * RangeError on out-of-range sizes, exactly like the composed + * randomBytesToString (which keeps its one-libCall lowering — the two + * coexist: the composed form never materializes the Buffer). */ + "crypto.randomBytes": { argTypes: [F64], result: BYTES_U8 }, + /** The fused createHash(alg).update(data).digest(enc) fast path and the + * one-shot crypto.hash implementation. First-class Hash/Hmac handles use + * the entries below; all paths share the incremental runtime core. */ + "crypto.hashDigestStr": { argTypes: [STRING, STRING, STRING], result: STRING }, + "crypto.hashDigestBytes": { argTypes: [STRING, BYTES_U8, STRING], result: STRING }, + /** First-class static Hash/Hmac handles. Constructors validate the + * runtime algorithm string (every digest Node 24 lists); update returns the same + * handle by retained identity, copy snapshots Hash state, and digest + * finalizes the handle and returns either a Buffer or encoded string. */ + "crypto.native": { argTypes: [], result: DYN }, + "crypto.hashNew": { argTypes: [STRING], result: CRYPTOHASH_T }, + /** The Transform a Hash or Hmac reads and writes as a stream (+1, + * created on first use and owned by the value; scr_stream.c). The Piped + * form, for pipe destinations and pipeline stages, also keeps the value + * alive until the stream flushes or is destroyed. */ + "crypto.hashStream": { argTypes: [null], result: { kind: "object", className: "%Transform" } }, + "crypto.hashStreamPiped": { + argTypes: [null], + result: { kind: "object", className: "%Transform" }, + }, + /** createCipheriv (false) / createDecipheriv (true) over checked-dynamic + * cipher, key, iv and options arguments (scr_cipher.c): a native + * Cipheriv/Decipheriv handle whose methods dispatch through dynInvoke. */ + "crypto.cipherNew": { argTypes: [BOOL, DYN, DYN, DYN, DYN], result: DYN }, + /** createECDH(curveName) over a checked-dynamic curve (scr_ecdh.c): a + * native ECDH handle whose methods dispatch through dynInvoke. */ + "crypto.ecdhNew": { argTypes: [DYN], result: DYN }, + /** ECDH.convertKey(key, curve, inputEncoding, outputEncoding, format): + * the converted point as a Buffer or string. */ + "crypto.ecdhConvertKey": { argTypes: [DYN, DYN, DYN, DYN, DYN], result: DYN }, + /** createDiffieHellman(sizeOrKey, keyEncoding, generator, + * generatorEncoding) over checked-dynamic arguments (scr_dh.c): a native + * DiffieHellman handle whose methods dispatch through dynInvoke. */ + "crypto.dhNew": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, + /** getDiffieHellman(groupName) and createDiffieHellmanGroup(name): a + * native DiffieHellmanGroup handle. */ + "crypto.dhGroupNew": { argTypes: [DYN], result: DYN }, + /** checkPrimeSync(candidate, options) and generatePrimeSync(size, + * options) over checked-dynamic arguments (scr_dh.c): a boolean, and an + * ArrayBuffer or bigint, as checked-dynamic results. The Cb forms take + * the callback and whether its error parameter takes null for Node's + * undefined, and call it in a later macrotask; Node's argument errors + * throw (may-throw). */ + "crypto.checkPrimeSync": { argTypes: [DYN, DYN], result: DYN }, + /** getCipherInfo(nameOrNid, options) over checked-dynamic arguments + * (scr_cipher_info.c): the info object or undefined. */ + "crypto.getCipherInfo": { argTypes: [DYN, DYN], result: DYN }, + "crypto.checkPrimeCb": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, + "crypto.generatePrimeSync": { argTypes: [DYN, DYN], result: DYN }, + "crypto.generatePrimeCb": { argTypes: [DYN, DYN, DYN, BOOL], result: VOID }, + "crypto.hmacNewStr": { argTypes: [STRING, STRING], result: CRYPTOHMAC_T }, + "crypto.hmacNewBytes": { argTypes: [STRING, BYTES_U8], result: CRYPTOHMAC_T }, + "crypto.hashUpdateStr": { argTypes: [CRYPTOHASH_T, STRING], result: CRYPTOHASH_T }, + "crypto.hashUpdateBytes": { argTypes: [CRYPTOHASH_T, BYTES_U8], result: CRYPTOHASH_T }, + "crypto.hmacUpdateStr": { argTypes: [CRYPTOHMAC_T, STRING], result: CRYPTOHMAC_T }, + "crypto.hmacUpdateBytes": { argTypes: [CRYPTOHMAC_T, BYTES_U8], result: CRYPTOHMAC_T }, + "crypto.hashCopy": { argTypes: [CRYPTOHASH_T], result: CRYPTOHASH_T }, + "crypto.hashDigestString": { argTypes: [CRYPTOHASH_T, STRING], result: STRING }, + "crypto.hashDigestBuffer": { argTypes: [CRYPTOHASH_T], result: BYTES_U8 }, + "crypto.hmacDigestString": { argTypes: [CRYPTOHMAC_T, STRING], result: STRING }, + "crypto.hmacDigestBuffer": { argTypes: [CRYPTOHMAC_T], result: BYTES_U8 }, + /** The option and any-value forms, with Node's checks at run time. The + * Dyn digests return a string or a Buffer, and crypto.hash's Dyn form + * either one by its outputEncoding. */ + "crypto.hashNewOpts": { argTypes: [STRING, DYN], result: CRYPTOHASH_T }, + "crypto.hmacNewDyn": { argTypes: [STRING, DYN, DYN], result: CRYPTOHMAC_T }, + "crypto.hashCopyOpts": { argTypes: [CRYPTOHASH_T, DYN], result: CRYPTOHASH_T }, + "crypto.hashUpdateEnc": { argTypes: [CRYPTOHASH_T, STRING, STRING], result: CRYPTOHASH_T }, + "crypto.hmacUpdateEnc": { argTypes: [CRYPTOHMAC_T, STRING, STRING], result: CRYPTOHMAC_T }, + "crypto.hashUpdateDyn": { argTypes: [CRYPTOHASH_T, DYN, DYN], result: CRYPTOHASH_T }, + "crypto.hmacUpdateDyn": { argTypes: [CRYPTOHMAC_T, DYN, DYN], result: CRYPTOHMAC_T }, + "crypto.hashDigestDyn": { argTypes: [CRYPTOHASH_T, DYN], result: DYN }, + "crypto.hmacDigestDyn": { argTypes: [CRYPTOHMAC_T, DYN], result: DYN }, + "crypto.hashOneshot": { argTypes: [STRING, DYN, DYN], result: DYN }, + /** Views of any element kind (the validator checks both are views). */ + "crypto.timingSafeEqual": { argTypes: [null, null], result: BOOL }, + "crypto.timingSafeEqualDyn": { argTypes: [DYN, DYN], result: BOOL }, + "crypto.randomFill": { argTypes: [BYTES_U8, F64, F64], result: BYTES_U8 }, + "crypto.randomFillRest": { argTypes: [BYTES_U8, F64], result: BYTES_U8 }, + "crypto.randomInt": { argTypes: [F64, F64], result: F64 }, + "crypto.randomIntMax": { argTypes: [F64], result: F64 }, + /** randomFillSync over any view returns that view at its own type (the + * validator checks the result against the first argument). The Dyn form + * takes ArrayBuffers and other values. The callback forms carry + * randomFill's argument count before the callback; randomIntCb carries + * whether min was given. */ + "crypto.randomFillView": { argTypes: [null, F64, F64], result: BYTES_U8 }, + "crypto.randomFillViewRest": { argTypes: [null, F64], result: BYTES_U8 }, + /** crypto.getRandomValues: a view returns itself at its own type (the + * float/size DOMExceptions are thrown at run time); any other value + * takes the checked form. */ + "crypto.getRandomValues": { argTypes: [null], result: BYTES_U8 }, + "crypto.getRandomValuesDyn": { argTypes: [DYN], result: DYN }, + "crypto.randomFillSyncDyn": { argTypes: [DYN, DYN, DYN], result: DYN }, + "crypto.randomFillCb": { argTypes: [null, F64, F64, F64, null], result: VOID }, + "crypto.randomFillCbDyn": { argTypes: [DYN, DYN, DYN, F64, null], result: VOID }, + "crypto.randomIntCb": { argTypes: [F64, F64, F64, null], result: VOID }, + "crypto.randomUUIDOpts": { argTypes: [DYN], result: STRING }, + /** Secret KeyObjects: native handles whose getters and methods dispatch + * through the handle. keyObjectInput reads a key's bytes for hkdf. */ + "crypto.createSecretKey": { argTypes: [DYN, DYN], result: DYN }, + "crypto.generateKeySync": { argTypes: [DYN, DYN], result: DYN }, + "crypto.generateKeyCb": { argTypes: [DYN, DYN, null], result: VOID }, + "crypto.keyObjectInput": { argTypes: [DYN], result: BYTES_U8 }, + "crypto.isKeyObject": { argTypes: [DYN], result: BOOL }, + /** WebCrypto (scr_webcrypto.c): each method takes its argument vector as + * one dyn array and answers a promise that argument and validation + * failures reject. CryptoKey values are native handles. */ + "webcrypto.generateKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.importKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.exportKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.encrypt": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.decrypt": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.wrapKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.unwrapKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.deriveBits": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.deriveKey": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.sign": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.verify": { argTypes: [DYN], result: { kind: "promise", inner: BOOL } }, + "webcrypto.digest": { argTypes: [DYN], result: { kind: "promise", inner: DYN } }, + "webcrypto.isCryptoKey": { argTypes: [DYN], result: BOOL }, + "webcrypto.object": { argTypes: [], result: DYN }, + "crypto.randomUUIDv7": { argTypes: [DYN], result: STRING }, + "crypto.pbkdf2": { argTypes: [BYTES_U8, BYTES_U8, F64, F64, STRING], result: BYTES_U8 }, + "crypto.randomBytesCb": { argTypes: [F64, null], result: VOID }, + "crypto.pbkdf2Cb": { argTypes: [BYTES_U8, BYTES_U8, F64, F64, STRING, null], result: VOID }, + "crypto.hkdf": { argTypes: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64], result: DYN }, + "crypto.hkdfCb": { argTypes: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64, null], result: VOID }, + "crypto.scrypt": { argTypes: [BYTES_U8, BYTES_U8, F64, DYN], result: BYTES_U8 }, + "crypto.scryptCb": { argTypes: [BYTES_U8, BYTES_U8, F64, DYN, null], result: VOID }, + /** util.promisify over the callback forms: the callback form's + * arguments without the callback → a promise the callback form settles, + * or rejected with an argument error; never throws. The result's value + * type is the declared one (a Buffer, the filled view, a number, or a + * checked-dynamic value); the validator checks it. */ + "crypto.randomBytesPromise": { argTypes: [F64], result: VOID }, + "crypto.pbkdf2Promise": { argTypes: [BYTES_U8, BYTES_U8, F64, F64, STRING], result: VOID }, + "crypto.scryptPromise": { argTypes: [BYTES_U8, BYTES_U8, F64, DYN], result: VOID }, + "crypto.hkdfPromise": { argTypes: [STRING, BYTES_U8, BYTES_U8, BYTES_U8, F64], result: VOID }, + "crypto.randomFillPromise": { argTypes: [null, F64, F64, F64], result: VOID }, + "crypto.randomFillPromiseDyn": { argTypes: [DYN, DYN, DYN, F64], result: VOID }, + "crypto.randomIntPromise": { argTypes: [F64, F64, F64], result: VOID }, + "crypto.generateKeyPromise": { argTypes: [DYN, DYN], result: VOID }, + /** util.promisify(dns.lookup) and util.promisify(dns.lookupService): + * [hostname, options] and [address, port] → a promise of the + * checked-dynamic result object (the address array with options.all), + * or rejected with the error; never throws. */ + "dns.lookupPromise": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "dns.lookupServicePromise": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + // The Buffer statics and the fs/zlib Buffer forms: fixed always-u8 + // signatures (Buffer IS a Uint8Array — one bytes kind). + /** The Buffer statics with fixed (always-u8) signatures. fromStr is + * `Buffer.from(string, enc)` — the frontend completes an omitted + * encoding to "utf8" and fences non-literal/unsupported ones; hex and + * base64 decode Node-leniently, so it never throws. concat takes ONE + * bytes[] arg (the list) and returns a fresh copy. `Buffer.from(u8)` + * and `Buffer.alloc(n)` need no libFn — they lower to bytesNew. */ + "buffer.fromStr": { argTypes: [STRING, STRING], result: BYTES_U8 }, + "buffer.fromStrChecked": { argTypes: [STRING, STRING], result: BYTES_U8 }, + "buffer.brand": { argTypes: [BYTES_U8], result: BYTES_U8 }, + /** Buffer.isBuffer over a typed view: whether the view carries the + * Buffer brand (any element kind; only Buffers do). Never throws. */ + "buffer.isBranded": { argTypes: [null], result: BOOL }, + /** Buffer.from on checked-native strings, bytes, arrays and data-only + * array-like/Buffer-JSON objects. The encoding is a normalized literal; + * non-string inputs ignore it. Copies the input and may throw during + * element coercion or argument validation. Custom object valueOf and + * opaque reference inputs retain explicit runtime refusals. */ + "buffer.fromDyn": { argTypes: [DYN, STRING], result: BYTES_U8 }, + "buffer.concat": { argTypes: [arrayOf(BYTES_U8)], result: BYTES_U8 }, + "buffer.concatDyn": { argTypes: [DYN], result: BYTES_U8 }, + /** The pooled Buffer factories (Node's allocate/fromStringFast/ + * fromArrayLike): allocUnsafe, Buffer.from of strings, Uint8Arrays, + * number[] and checked values, and concat return views into the + * per-thread pool slab below Buffer.poolSize >>> 1 bytes. alloc and + * allocUnsafeSlow never pool. The size forms validate like Node + * (ERR_OUT_OF_RANGE). poolSize reads and writes Buffer.poolSize. */ + "buffer.alloc": { argTypes: [F64], result: BYTES_U8 }, + /** Buffer.alloc as a function value: the size, fill and encoding arrive + * unchecked, and the runtime fills as Node's alloc does. */ + "buffer.allocValue": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, + "buffer.allocUnsafe": { argTypes: [F64], result: BYTES_U8 }, + "buffer.allocUnsafeSlow": { argTypes: [F64], result: BYTES_U8 }, + "buffer.poolFromStr": { argTypes: [STRING, STRING], result: BYTES_U8 }, + "buffer.poolFromStrChecked": { argTypes: [STRING, STRING], result: BYTES_U8 }, + "buffer.poolFromBytes": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "buffer.poolFromArray": { argTypes: [arrayOf(F64)], result: BYTES_U8 }, + "buffer.poolFromDyn": { argTypes: [DYN, STRING], result: BYTES_U8 }, + /** poolFromDyn that also copies an array crossing by reference. */ + "buffer.poolFromDynRef": { argTypes: [DYN, STRING], result: BYTES_U8 }, + "buffer.poolFromDynOffset": { argTypes: [DYN, DYN], result: BYTES_U8 }, + /** Buffer.from(value, byteOffset, length): an ArrayBuffer's range with + * Node's fromArrayBuffer checks; other values as poolFromDynOffset. */ + "buffer.poolFromDynRange": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, + "buffer.poolSize": { argTypes: [], result: F64 }, + "buffer.setPoolSize": { argTypes: [F64], result: VOID }, + /** Buffer.byteLength(string, enc) — enc a NORMALIZED literal like + * fromStr's — and Buffer.isEncoding(name) over a runtime string + * (case-insensitive against Node's alias set). Pure; never throw. */ + "buffer.byteLenDyn": { argTypes: [DYN, STRING], result: F64 }, + /** Buffer.byteLength as a function value: the encoding arrives at run time. */ + "buffer.byteLenValue": { argTypes: [DYN, DYN], result: F64 }, + "buffer.byteLenStr": { argTypes: [STRING, STRING], result: F64 }, + "buffer.isEncoding": { argTypes: [STRING], result: BOOL }, + /** Buffer.concat(list, totalLength): the concatenation truncated or + * zero-padded to the total. THROWS Node's 'length' RangeError on a + * negative/non-integer total (may-throw seed). */ + "buffer.concatLen": { argTypes: [arrayOf(BYTES_U8), F64], result: BYTES_U8 }, + "buffer.concatLenDyn": { argTypes: [DYN, F64], result: BYTES_U8 }, + // The checked-dynamic compare/equals validators (Node's argument + // ladders over dyn-boxed invalid-input probes). + /** The checked-dynamic compare/equals validators (scr_bytes_io.c) — + * the lowered form when an argument is NOT statically bytes (the + * invalid-input probes; a dyn from an untyped JS helper): Node's own + * argument ladders run at runtime — ERR_INVALID_ARG_TYPE with the + * API's argument name ("buf1"/"buf2", "otherBuffer", "target"; offsets + * "of type number"), validateOffset's ERR_OUT_OF_RANGE for bad + * numbers, undefined offsets taking their Node defaults — and a + * well-typed value still computes the real answer. All args borrowed + * dyn; compareChk's four offset slots pass the undefined dyn when + * syntactically absent. May-throw seeds. */ + "buffer.compareChk": { argTypes: [DYN, DYN], result: F64 }, + "bytes.equalsChk": { argTypes: [BYTES_U8, DYN], result: BOOL }, + "bytes.compareChk": { argTypes: [BYTES_U8, DYN, DYN, DYN, DYN, DYN], result: F64 }, + /** The deprecated `new Buffer(number, 'enc')` string-arm rejection: + * always throws Node's ERR_INVALID_ARG_TYPE ("The \"string\" argument + * must be of type string. Received ..."). Borrowed dyn; may-throw. */ + "buffer.newStringFail": { argTypes: [DYN], result: BYTES_U8 }, + "buffer.deprecation": { argTypes: [], result: VOID }, + "buffer.deprecationCount": { argTypes: [], result: VOID }, + "buffer.constructor": { argTypes: [], result: DYN }, + "buffer.installValue": { argTypes: [], result: VOID }, + "buffer.staticValue": { argTypes: [STRING], result: DYN }, + "buffer.prototypeMember": { argTypes: [DYN], result: DYN }, + /** fs._toUnixTimestamp(time) over a dyn value: numeric strings and + * finite numbers coerce (negatives answer now/1000, Node's shape); + * everything else throws Node's ERR_INVALID_ARG_TYPE. May-throw. */ + "fs.toUnixTimestamp": { argTypes: [DYN], result: F64 }, + /** The fs argument-validation ladders (checked-dynamic lane): each Chk + * replicates its API's Node-order validation over dyn values (Node's + * exact typed errors — ERR_INVALID_ARG_TYPE/VALUE, ERR_OUT_OF_RANGE), + * and a full pass meets the trailing compiler-rendered SC2020 fence + * string — so the ALWAYS-THROW forms take the error.nodeThrow + * polymorphic-result carve-out. mkdtempSyncChk and the lchmod sync/ + * promise pair run the REAL operation on a validated pass instead + * (macOS lchmod(2); non-APPLE answers Node's not-a-function / + * ERR_METHOD_NOT_IMPLEMENTED shapes). May-throw seeds, all of them. */ + "fs.existsChk": { argTypes: [DYN, DYN], result: DYN }, + "fs.mkdtempChk": { argTypes: [DYN, DYN, STRING], result: VOID }, + "fs.mkdtempSyncChk": { argTypes: [DYN, DYN, STRING], result: STRING }, + "fs.readFileChk": { argTypes: [DYN, DYN, DYN, STRING], result: VOID }, + "fs.opendirChk": { argTypes: [DYN, DYN, STRING], result: VOID }, + "fs.watchFileChk": { argTypes: [DYN, DYN, STRING], result: VOID }, + "fs.lchmodChk": { argTypes: [DYN, DYN, DYN, STRING], result: VOID }, + "fs.lchmodSyncChk": { argTypes: [DYN, DYN], result: DYN }, + "fsp.lchmodChk": { argTypes: [DYN, DYN], result: { kind: "promise", inner: VOID } }, + "fs.readChk": { argTypes: [DYN, DYN, DYN, DYN, DYN, STRING], result: VOID }, + "fs.streamOptsChk": { argTypes: [DYN, DYN, STRING], result: VOID }, + /** fs.ReadStream / fs.WriteStream (scr_fs_stream.c): the constructors + * take the path and options as dyn values and throw Node's option + * errors; the members read bytesRead/bytesWritten, pending and the path + * value, and close() / close(cb) (a `() => void` callback). */ + "fs.createReadStream": { + argTypes: [DYN, DYN], + result: { kind: "object", className: "%Readable" }, + }, + "fs.createWriteStream": { + argTypes: [DYN, DYN], + result: { kind: "object", className: "%Writable" }, + }, + "fs.fsStreamBytes": { argTypes: [null], result: F64 }, + "fs.fsStreamPending": { argTypes: [null], result: BOOL }, + "fs.fsStreamPath": { argTypes: [null], result: DYN }, + "fs.fsStreamPropDyn": { argTypes: [null, STRING], result: DYN }, + "fileHandle.createReadStream": { + argTypes: [FILEHANDLE_T, DYN], + result: { kind: "object", className: "%Readable" }, + }, + "fileHandle.createWriteStream": { + argTypes: [FILEHANDLE_T, DYN], + result: { kind: "object", className: "%Writable" }, + }, + "fs.fsStreamClose": { argTypes: [null], result: VOID }, + "fs.fsStreamCloseCb": { argTypes: [null, funcOf([], VOID)], result: VOID }, + /** The compiler-resolved ERR_INVALID_ARG_TYPE throw with a RUNTIME- + * rendered Received tail: args [argname, "of type ..." clause, the + * offending dyn value]. ALWAYS THROWS; polymorphic result (the + * error.nodeThrow pattern). May-throw seed. */ + "error.argTypeThrow": { argTypes: [STRING, STRING, DYN], result: VOID }, + /** The property flavor of argTypeThrow ("The \"options.x\" property + * must be ..."): the option-bag ladders' provably-invalid arms. ALWAYS + * THROWS; polymorphic result. May-throw seed. */ + "error.propTypeThrow": { argTypes: [STRING, STRING, DYN], result: VOID }, + /** The checked-dynamic max-listeners ladders: setMaxChk is the + * instance form over a dyn n (non-numbers ERR_INVALID_ARG_TYPE, + * negatives/NaN ERR_OUT_OF_RANGE; +1 receiver back — chaining); + * setDefaultMaxChk is the static/property form, its second argument + * naming the message slot ("setMaxListeners" for the static call, + * "defaultMaxListeners" for the module-property assignment). */ + "emitter.setMaxChk": { argTypes: [null, DYN], result: VOID }, + "emitter.setDefaultMaxChk": { argTypes: [DYN, STRING], result: VOID }, + /** The Buffer forms of fs: readFileSync(path) with NO + * encoding → bytes (+1), writeFileSync/appendFileSync(path, bytes), and the + * fs/promises readFile(path) no-encoding form (an already-settled + * promise, rejecting on failure like the other fsp members). The sync + * forms THROW catchably on failure exactly like the utf8 forms. */ + "fs.readFileSyncBytes": { argTypes: [STRING], result: BYTES_U8 }, + "fs.writeFileSyncBytes": { argTypes: [STRING, BYTES_U8], result: VOID }, + "fs.appendFileSyncBytes": { argTypes: [STRING, BYTES_U8], result: VOID }, + "fsp.readFileBytes": { argTypes: [STRING], result: { kind: "promise", inner: BYTES_U8 } }, + /** node:zlib (scr_zlib.c — native-toolchain.ts compiles/links it ONLY when these + * appear on the IR, the regex/libcurl gating precedent): one-shot zlib, + * raw-DEFLATE, gzip, and auto-detect codecs over u8 bytes with Node's + * default options, or a validated literal compression level from -1 to 9. + * Compression never throws (OOM aborts); decompression + * of corrupt input THROWS Node's error catchably. */ + "zlib.deflateSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "zlib.inflateSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "zlib.deflateRawSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + /** bytes, mode (0 zlib / 1 raw / 2 gzip), validated compression level. */ + "zlib.deflateLevelSync": { argTypes: [BYTES_U8, F64, F64], result: BYTES_U8 }, + "zlib.inflateRawSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "zlib.gzipSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "zlib.gunzipSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + "zlib.unzipSync": { argTypes: [BYTES_U8], result: BYTES_U8 }, + /** The default-options callback twins run on the executable's shared + * native work pool and deliver (Error | null, Buffer) on a later loop + * turn. crc32 validates its optional uint32 seed synchronously. */ + "zlib.deflateCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.inflateCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.deflateRawCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.inflateRawCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.gzipCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.gunzipCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.unzipCb": { argTypes: [BYTES_U8, null], result: VOID }, + "zlib.crc32": { argTypes: [BYTES_U8, F64], result: F64 }, + /** The one-shot forms with an options value: node_zlib_mode, the input, + * the options (validated at runtime with Node's ladder). The Cb form + * takes the program-shaped (Error | null, Buffer) callback, which moves. */ + "zlib.syncOpts": { argTypes: [F64, BYTES_U8, DYN], result: BYTES_U8 }, + "zlib.cbOpts": { argTypes: [F64, BYTES_U8, DYN, null], result: VOID }, + /** The checked-dynamic input twins (the JS lane's untyped data). */ + "zlib.syncOptsDyn": { argTypes: [F64, DYN, DYN], result: BYTES_U8 }, + "zlib.cbOptsDyn": { argTypes: [F64, DYN, DYN, null], result: VOID }, + /** util.promisify over the callback one-shots: [mode, data, options] + * like zlib.cbOpts → a promise the worker-pool run settles with the + * Buffer or the callback form's Error. An options or input error rejects + * it; never throws. The Dyn twin takes the JS lane's untyped data. */ + "zlib.promise": { + argTypes: [F64, BYTES_U8, DYN], + result: { kind: "promise", inner: BYTES_U8 }, + }, + "zlib.promiseDyn": { argTypes: [F64, DYN, DYN], result: { kind: "promise", inner: BYTES_U8 } }, + /** The stream classes (scr_zlib_stream.c, linked with the stream unit): + * streamNew takes Node's node_zlib_mode number and the options value + * (undefined when absent), validates it with Node's ladder, and answers + * the +1 %Transform stream. flush takes the kind value, params the level + * and strategy values; the Cb forms move their () => void callback. The + * receivers are borrowed. */ + /** Connects scr_brotli.c to the zlib engine (%main, before any module). */ + "zlib.brotliInstall": { argTypes: [], result: VOID }, + "zlib.streamNew": { argTypes: [F64, DYN], result: VOID }, + "zlib.streamBytesWritten": { argTypes: [null], result: F64 }, + /** `stream instanceof zlib.Gzip`: the borrowed stream and the class's + * node_zlib_mode; true when the stream is a zlib stream of that mode. */ + "zlib.streamIs": { argTypes: [null, F64], result: BOOL }, + "zlib.streamFlush": { argTypes: [null, DYN], result: VOID }, + "zlib.streamFlushCb": { argTypes: [null, DYN, null], result: VOID }, + "zlib.streamParams": { argTypes: [null, DYN, DYN], result: VOID }, + "zlib.streamParamsCb": { argTypes: [null, DYN, DYN, null], result: VOID }, + "zlib.streamClose": { argTypes: [null], result: VOID }, + "zlib.streamCloseCb": { argTypes: [null, null], result: VOID }, + "zlib.streamReset": { argTypes: [null], result: VOID }, + /** The Buffer overloads of the raw stream writes — same promptly + * submitted streams as process.stdoutWrite/stderrWrite, constantly true. + * The encoding arg is evaluated but ignored for bytes, like Node. The Cb + * forms move their program-shaped completion callback to the tick queue. */ + "process.stdoutWriteBytes": { argTypes: [BYTES_U8, STRING], result: BOOL }, + "process.stderrWriteBytes": { argTypes: [BYTES_U8, STRING], result: BOOL }, + // Completion callback is program-dependent: zero params, checked-dynamic, + // or an optional Error | null slot (same success shape as fs.rename). + "process.stdoutWriteBytesCb": { argTypes: [BYTES_U8, STRING, null], result: BOOL }, + "process.stderrWriteBytesCb": { argTypes: [BYTES_U8, STRING, null], result: BOOL }, + /** The value of a FULFILLED promise, read without a microtask turn (+1 + * for references): the tuple form of Promise.all reads its entries this + * way once the combinator fulfills, each entry widened to Promise + * and read at the type it was built with (program-dependent). */ + "promise.fulfilledValue": { argTypes: [null], result: VOID }, + /** Promise.all's tuple form as a value: the entries (each widened to + * Promise) join the runtime combinator, and when it fulfills the + * function reads the fulfilled entries into the tuple inside that + * settlement, so the result settles on the combinator's turn; a + * rejection settles it the same way. The result is the tuple's promise + * (program-dependent). */ + "promise.allTuple": { argTypes: [null, null], result: VOID }, + "fsp.readFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: STRING } }, + "fsp.writeFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, + /** fs.promises.writeFile(path, data, { mode }): the settled-promise + * twin of fs.writeFileModeSync. */ + "fsp.writeFileMode": { + argTypes: [STRING, STRING, F64], + result: { kind: "promise", inner: VOID }, + }, + "fsp.mkdir": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, + /** The fs/promises option/member tail the certs pipeline uses: mkdir's + * literal { recursive?, mode? } options (the mkdirSync matrix behind + * settled promises), unlink, chmod. Failures REJECT (catchable at the + * await), like the rest of the fsp family. */ + "fsp.mkdirMode": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, + "fsp.mkdirRecursive": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, + "fsp.mkdirRecursiveMode": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, + "fsp.unlink": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, + "fsp.chmod": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, + "fsp.chown": { argTypes: [STRING, F64, F64], result: { kind: "promise", inner: VOID } }, + "fsp.lchown": { argTypes: [STRING, F64, F64], result: { kind: "promise", inner: VOID } }, + "fsp.access": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, + "fsp.truncate": { argTypes: [STRING, F64], result: { kind: "promise", inner: VOID } }, + "fsp.appendFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, + "fsp.appendFileBytes": { + argTypes: [STRING, BYTES_U8], + result: { kind: "promise", inner: VOID }, + }, + "fsp.copyFile": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, + "fsp.mkdtemp": { argTypes: [STRING], result: { kind: "promise", inner: STRING } }, + /** readFile(path, encoding | { encoding }) for any runtime encoding name. */ + "fsp.readFileEncoded": { + argTypes: [STRING, STRING], + result: { kind: "promise", inner: STRING }, + }, + "fsp.rmdir": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, + "fsp.link": { argTypes: [DYN, DYN], result: { kind: "promise", inner: VOID } }, + "fsp.symlink": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, + "fsp.cp": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, + "fsp.readlink": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "fsp.statfs": { argTypes: [DYN, DYN], result: { kind: "promise", inner: DYN } }, + "fsp.readlinkStr": { argTypes: [DYN, DYN], result: { kind: "promise", inner: STRING } }, + "fsp.readlinkBuffer": { argTypes: [DYN, DYN], result: { kind: "promise", inner: BYTES_U8 } }, + "fsp.utimes": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, + "fsp.lutimes": { argTypes: [DYN, DYN, DYN], result: { kind: "promise", inner: VOID } }, + "fsp.rename": { argTypes: [STRING, STRING], result: { kind: "promise", inner: VOID } }, + "fsp.readdir": { argTypes: [STRING], result: { kind: "promise", inner: arrayOf(STRING) } }, + // Result is promise; the libCall case + // validates the program-dependent record shape in validate.ts. + /** `fs.promises.readdir(path, { withFileTypes: true })` — the settled- + * promise twin of fs.readdirTypesSync. The backends assemble the same + * call-site-shaped Dirent rows, then move the array into a promise; + * scandir failure becomes its rejection. */ + "fsp.readdirTypes": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, + "fsp.rm": { argTypes: [STRING], result: { kind: "promise", inner: VOID } }, + /** `fs.promises.rm(path, options)`: fs.rmOptsSync and fs.rmRetrySync + * behind a settled promise; their errors become its rejection. */ + "fsp.rmOpts": { argTypes: [STRING, BOOL, BOOL], result: { kind: "promise", inner: VOID } }, + "fsp.rmRetry": { + argTypes: [STRING, BOOL, BOOL, F64, F64], + result: { kind: "promise", inner: VOID }, + }, + "fsp.stat": { argTypes: [STRING], result: { kind: "promise", inner: STATS_T } }, + "fsp.realpath": { argTypes: [STRING], result: { kind: "promise", inner: STRING } }, + "fsp.lstat": { argTypes: [STRING], result: { kind: "promise", inner: STATS_T } }, + /** fs/promises.open and the statically represented FileHandle surface. + * Every operation returns an already-settled promise; syscall failures + * become rejections rather than escaping synchronously. read/write + * results are call-site record shapes ({ bytesRead/bytesWritten, + * buffer }) assembled by the backends around the fixed runtime ABI. */ + "fsp.open": { + argTypes: [STRING, STRING, F64], + result: { kind: "promise", inner: FILEHANDLE_T }, + }, + "fileHandle.fd": { argTypes: [FILEHANDLE_T], result: F64 }, + "fileHandle.close": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: VOID } }, + "fileHandle.sync": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: VOID } }, + "fileHandle.datasync": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: VOID } }, + "fileHandle.truncate": { + argTypes: [FILEHANDLE_T, F64], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.chmod": { argTypes: [FILEHANDLE_T, F64], result: { kind: "promise", inner: VOID } }, + "fileHandle.utimes": { + argTypes: [FILEHANDLE_T, DYN, DYN], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.readv": { + argTypes: [FILEHANDLE_T, arrayOf(BYTES_U8), F64], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.writev": { + argTypes: [FILEHANDLE_T, arrayOf(BYTES_U8), F64], + result: { kind: "promise", inner: VOID }, + }, + // read/write carry call-site result record shapes; the validator checks + // those in validate.ts, so promise is only a table sentinel. + "fileHandle.read": { + argTypes: [FILEHANDLE_T, BYTES_U8, F64, F64, F64, BOOL], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.writeBytes": { + argTypes: [FILEHANDLE_T, BYTES_U8, F64, F64, F64, BOOL], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.writeStr": { + argTypes: [FILEHANDLE_T, STRING, F64, STRING], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.readFile": { + argTypes: [FILEHANDLE_T, STRING], + result: { kind: "promise", inner: STRING }, + }, + "fileHandle.readFileBytes": { + argTypes: [FILEHANDLE_T, STRING], + result: { kind: "promise", inner: BYTES_U8 }, + }, + "fileHandle.writeFile": { + argTypes: [FILEHANDLE_T, STRING, STRING], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.writeFileBytes": { + argTypes: [FILEHANDLE_T, BYTES_U8, STRING], + result: { kind: "promise", inner: VOID }, + }, + "fileHandle.stat": { argTypes: [FILEHANDLE_T], result: { kind: "promise", inner: STATS_T } }, + "process.argv": { argTypes: [], result: arrayOf(STRING) }, + // The Node runtime flag a node:test binary took out of process.argv + // (--test-update-snapshots), or [] — a fresh array per read. + "process.execArgv": { argTypes: [], result: arrayOf(STRING) }, + "process.platform": { argTypes: [], result: STRING }, + // The one libCall whose result type is program-dependent (union ids are + // per-module): the `result` here is a placeholder — the libCall case + // checks the union's ARMS ([string, undefinedT] in canonical order) + // against the module's registry instead. + /** getenv(3): one string key arg → the interned `string | undefined` + * union (present: +1 string wrapped into the string arm; absent: the + * interned undefined-arm instance). BOTH source forms — `process.env.FOO` + * and `process.env[expr]` — lower here. Purely static; never throws. */ + "process.envGet": { argTypes: [STRING], result: VOID }, + /** setenv(3): (name, value) string args → void. Later envGet reads and + * spawned children observe the write, like Node (values are strings — + * the frontend fences non-string RHS). Never throws. */ + "process.envSet": { argTypes: [STRING, STRING], result: VOID }, + /** `delete process.env[NAME]` — unsetenv(3): the mutation is visible to + * every later read (process.envGet asks getenv fresh) and inherited by + * spawned children, exactly Node. Statement position only (JS's boolean + * result is constant true there). Borrows the name; never throws. */ + "process.envUnset": { argTypes: [STRING], result: VOID }, + /** The whole environment as alternating [k0, v0, k1, v1, ...] strings in + * environ order — the raw material of the process.env SNAPSHOT record + * (the frontend's interned %env.snapshot helper keyed-writes the pairs + * into a fresh `{ [k: string]: string | undefined }` record). Fresh +1 + * array; never throws. */ + "process.envPairs": { argTypes: [], result: arrayOf(STRING) }, + "process.exit": { argTypes: [F64], result: VOID }, + /** Numeric process.exitCode write (integer validation, implicit exit status). */ + "process.setExitCode": { argTypes: [F64], result: VOID }, + /** The process.exitCode write of a program that also reads the + * property: the same validation, and the code counts as assigned. */ + "process.setExitCodeTracked": { argTypes: [F64], result: VOID }, + /** The code for process.exit() with no argument, or zero when unset. */ + "process.currentExitCode": { argTypes: [], result: F64 }, + /** Whether process.exitCode reads a code rather than undefined. Never throws. */ + "process.hasExitCode": { argTypes: [], result: BOOL }, + "process.cwd": { argTypes: [], result: STRING }, + /** getpid(2) / getuid(2): zero args → f64. POSIX-only target, so both + * always answer (the checker's `getuid?` optionality covers Windows — + * `process.getuid?.()` lowers as the plain call). Never throw. */ + "process.pid": { argTypes: [], result: F64 }, + "dyn.this": { argTypes: [], result: DYN }, + "dyn.generatorThis": { argTypes: [], result: DYN }, + "process.getuid": { argTypes: [], result: F64 }, + "process.getgid": { argTypes: [], result: F64 }, + /** geteuid(2) / getegid(2) / getgroups(2) (the effective gid appended + * when the list lacks it, like Node). Windows has no such members: the + * calls throw the TypeError a missing member does (MAY THROW). */ + "process.geteuid": { argTypes: [], result: F64 }, + "process.getegid": { argTypes: [], result: F64 }, + "process.getgroups": { argTypes: [], result: arrayOf(F64) }, + /** process.ppid: the parent's pid at the read. Never throws. */ + "process.ppid": { argTypes: [], result: F64 }, + /** process.title: libuv's process title (argv[0] until set); setTitle + * writes it (truncated to the original argument area on POSIX, the + * console title on Windows). Never throw. */ + "process.title": { argTypes: [], result: STRING }, + "process.setTitle": { argTypes: [STRING], result: VOID }, + /** process.argv0: the original argv[0]. Never throws. */ + "process.argv0": { argTypes: [], result: STRING }, + /** process.release: the compatibility target's stable release object + * (name, lts, sourceUrl, headersUrl, and libUrl on Windows). +1. */ + "process.release": { argTypes: [], result: DYN }, + /** process.execPath: the compiled binary's own resolved absolute path + * (one interned string, +1 per read) — the honest answer where Node's + * is the node executable's (SEMANTICS.md divergence 12). Never throws. */ + "process.execPath": { argTypes: [], result: STRING }, + /** process.arch: the compiled binary's OWN architecture ("arm64", + * "x64") — Node's answer for its own build on the same machine. + * Interned; +1 per read. Never throws. */ + "process.arch": { argTypes: [], result: STRING }, + /** Stable native version dictionary. node/openssl identify compatibility + * targets; components absent from the native runtime are omitted. */ + "process.versions": { argTypes: [], result: DYN }, + "process.builtinId": { argTypes: [DYN, arrayOf(STRING)], result: STRING }, + "process.builtinModule": { argTypes: [STRING, DYN], result: DYN }, + "process.builtinUnsupported": { argTypes: [STRING, STRING], result: DYN }, + /** A module namespace object as a checked-dynamic value + * (scr_module_namespace_value): the module id, its sorted export names + * and the compiled getter. One object per module. Never throws. */ + "module.namespaceValue": { argTypes: [STRING, arrayOf(STRING), DYN], result: DYN }, + "fs.callbackValue": { argTypes: [STRING], result: DYN }, + "fs.callbackCall": { argTypes: [STRING, DYN], result: DYN }, + "process.hrtimeValue": { argTypes: [], result: DYN }, + /** process.versions.node: the runtime's Node COMPATIBILITY TARGET — + * there is no Node under the binary, so this reports the version whose + * semantics the runtime implements (SEMANTICS.md divergence 60, the + * execPath stance). Interned; +1 per read. Never throws. */ + "process.versionsNode": { argTypes: [], result: STRING }, + "process.versionsOpenssl": { argTypes: [], result: STRING }, + /** kill(2) with Node's exact semantics and error shapes: the pid must be + * an int32 (else the ERR_INVALID_ARG_TYPE TypeError text), the named + * form resolves Node's signal-name table (unknown names throw the + * ERR_UNKNOWN_SIGNAL TypeError), an omitted signal completes to + * "SIGTERM" in the frontend, signal 0 probes, and a kill(2) failure + * throws Node's `kill ESRCH`/`kill EPERM` Error. Result is Node's + * constant true. */ + "process.kill": { argTypes: [F64, STRING], result: BOOL }, + "process.killNum": { argTypes: [F64, F64], result: BOOL }, + /** The raw byte writes: one borrowed string arg → bool (constantly true + * — this synchronous runtime never queues backpressure). stdoutWrite + * shares console.log's stream, each call is submitted promptly, and + * interleaved output keeps source order. No newline, no formatting, + * never throws. */ + "process.stdoutWrite": { argTypes: [STRING], result: BOOL }, + "process.stdio": { argTypes: [F64], result: DYN }, + "process.stderrWrite": { argTypes: [STRING], result: BOOL }, + // error.new's result and the receiver slots are builtin-error classes — + // program-dependent object types, checked in the libCall case. + /** The runtime-provided Error hierarchy's entry points (scr_error.c). + * error.new: one borrowed string arg (the message), result an owned (+1) + * builtin error instance — the result TYPE names which builtin class + * (backends derive the runtime kind from it). error.ctor: the + * super(message) call of an `extends Error` constructor — borrowed + * receiver (already allocated by the derived class's new) + borrowed + * message, void; the receiver's type names the builtin class whose name + * field to stamp. error.toString: borrowed `%Error`-typed receiver, +1 + * string in Node's "name: message" shape. Formatting can invoke a user + * message accessor, which can throw. */ + "error.new": { argTypes: [STRING], result: VOID }, + /** ECMAScript constructors with raw checked-dynamic message/options. + * Options retain cause presence; constructor calls borrow their args. + * Message coercion may throw before the cause is installed. */ + "error.newOptions": { argTypes: [DYN, DYN], result: VOID }, + "error.ctorOptions": { argTypes: [null, DYN, DYN], result: VOID }, + /** Borrowed Error receiver. cause returns an owned dyn value (undefined + * when absent); hasCause distinguishes absence from present undefined. */ + "error.cause": { argTypes: [null], result: DYN }, + "error.hasCause": { argTypes: [null], result: BOOL }, + /** Assignment borrows both operands and retains the new cause. */ + "error.setCause": { argTypes: [null, DYN], result: VOID }, + /** `err.code = s` on an error-hierarchy receiver: the code slot that + * error.code reads and coded throws stamp. Borrows both; never throws. */ + "error.setCode": { argTypes: [null, STRING], result: VOID }, + /** `err.code = v` with a value that is not statically a string: strings + * take the code slot, anything else clears it and sets the dynamic own + * property. Borrows both; never throws. */ + "error.setCodeDyn": { argTypes: [null, DYN], result: VOID }, + /** `Object.assign(err, ...sources)` onto an error-hierarchy receiver + * (args: the error, a dyn array of the sources): the own-member copy + * onto its checked-dynamic node, then the typed slots (name, message, + * stack, cause, code) re-read from it. Throws what the copy throws. */ + "error.assign": { argTypes: [null, DYN], result: VOID }, + /** `key in err` for a key no compiled class of the receiver declares + * (args: the error, the key): a runtime-set own property (Object.assign, + * throw-site fields, dynamic writes) or an Object.prototype member. */ + "error.hasKey": { argTypes: [null, STRING], result: BOOL }, + "error.hasCode": { argTypes: [null], result: BOOL }, + /** Whether the error's own `name` or `message` (the key) is an accessor + * a reflective definition installed. Borrows both; never throws. */ + "error.ownAccessor": { argTypes: [null, STRING], result: BOOL }, + /** That accessor's getter called on the error (owned result), and its + * setter called with the value (V8's TypeError without one). Borrow + * their arguments; throw what the accessor throws. */ + "error.accessorGet": { argTypes: [null, STRING], result: DYN }, + "error.accessorSet": { argTypes: [null, STRING, DYN], result: VOID }, + "error.defineCause": { argTypes: [null, DYN], result: VOID }, + "error.deleteCause": { argTypes: [null], result: VOID }, + /** The compiler-resolved Node-parity throw for always-throwing lowered + * arms (ERR_INVALID_THIS receivers, ERR_MISSING_ARGS arity ladders, + * the symbol-to-string TypeError): args are [error-kind f64 (the + * SCR_ERR_* index: 0 Error, 1 TypeError, 2 RangeError), code (empty = + * no code slot), message]. ALWAYS THROWS catchably; the result type is + * the replaced expression's own (never materialized — the + * global.undefRead pattern). May-throw seed. */ + "error.nodeThrow": { argTypes: [F64, STRING, STRING], result: VOID }, + /** JS ToString over a dyn value WITH the object protocol (a user + * toString/valueOf member is CALLED and its throw propagates; + * exhaustion throws "Cannot convert object to primitive value"; units + * render "null"/"undefined") — the WHATWG USVString conversions + * (URLSearchParams names/values). Borrowed dyn; +1 string. May-throw. */ + "dyn.toStringCoerce": { argTypes: [DYN], result: STRING }, + "dyn.stringConstructor": { argTypes: [DYN], result: STRING }, + "dyn.propertyKey": { argTypes: [DYN], result: DYN }, + "dyn.toNumeric": { argTypes: [DYN], result: DYN }, + "dyn.increment": { argTypes: [DYN, BOOL], result: DYN }, + /** JS ToNumber over a dyn value WITH the object protocol (number-hint + * valueOf/toString ordering; user throws propagate). Borrowed dyn; + * f64 result, or a throw. Used by statically lowered numeric coercions + * whose checker type remained any. */ + "dyn.numberConstructor": { argTypes: [DYN], result: F64 }, + "dyn.bigintConstructor": { argTypes: [DYN], result: BIGINT_T }, + "dyn.toNumberCoerce": { argTypes: [DYN], result: F64 }, + "dyn.add": { argTypes: [DYN, DYN], result: DYN }, + "dyn.arithmetic": { argTypes: [DYN, DYN, STRING], result: DYN }, + "dyn.compare": { argTypes: [DYN, DYN, STRING], result: BOOL }, + "dyn.bitwise": { argTypes: [DYN, DYN, STRING], result: DYN }, + "dyn.proxyNew": { argTypes: [DYN, DYN], result: DYN }, + /* Dynamic-tier values (jsval; two-tier design stage S3). The jsval pass + * (ir/jsval.ts) introduces these in dynamic-tier functions only; the + * runtime is scr_js_value.c. Arguments are borrowed and results owned, + * like every libCall. Boundary conversions: js.fromDyn (a cell keeps its + * identity), js.toDyn (an immediate is boxed), js.fromF64/fromBool/ + * fromStr/fromBigInt (the design's toJs: immediates, and strings and + * BigInts under a tag without a copy) and js.toF64 (fromJs to number: dynCheck's + * number check and TypeError). The operators are the dyn.* operators + * over jsvals, with identical JS semantics. */ + "js.fromDyn": { argTypes: [DYN], result: JSVAL }, + "js.toDyn": { argTypes: [JSVAL], result: DYN }, + "js.fromF64": { argTypes: [F64], result: JSVAL }, + "js.fromBool": { argTypes: [BOOL], result: JSVAL }, + "js.fromStr": { argTypes: [STRING], result: JSVAL }, + "js.fromBigInt": { argTypes: [BIGINT_T], result: JSVAL }, + "js.toF64": { argTypes: [JSVAL], result: F64 }, + "js.add": { argTypes: [JSVAL, JSVAL], result: JSVAL }, + "js.arithmetic": { argTypes: [JSVAL, JSVAL, STRING], result: JSVAL }, + "js.bitwise": { argTypes: [JSVAL, JSVAL, STRING], result: JSVAL }, + "js.compare": { argTypes: [JSVAL, JSVAL, STRING], result: BOOL }, + "js.toNumeric": { argTypes: [JSVAL], result: JSVAL }, + "js.increment": { argTypes: [JSVAL, BOOL], result: JSVAL }, + "js.toNumberCoerce": { argTypes: [JSVAL], result: F64 }, + // Always throws; the result is the READ's declared type (a typed dummy + // the unwind abandons) — the libCall case skips the result check. + /** A read of a `declare`d const NOTHING defines (the bundler-define + * pattern — __VERSION__): always throws the catchable ReferenceError + * Node raises at the access (" is not defined"). args[0] is the + * name; the result type is the read's declared type (a typed dummy the + * unwind abandons — the value never exists). */ + "global.undefRead": { argTypes: [STRING], result: VOID }, + "console.native": { argTypes: [], result: DYN }, + /** node:console Console instances (scr_console_native.c): new mints the + * handle over the stdout/stderr fds (1/2; 0 = a stream binds next) and + * the ignoreErrors flag; bind attaches a borrowed writable stream to + * target 0 (stdout) or 1 (stderr); write prints `text\n` to the + * selected target of an instance or the global console handle. */ + "console.new": { argTypes: [F64, F64, BOOL], result: DYN }, + "console.bind": { argTypes: [DYN, F64, null], result: VOID }, + "console.write": { argTypes: [DYN, STRING, BOOL], result: VOID }, + /** The global console's remaining members (scr_console_native.c; the + * group indentation itself lives with the writers in scr_console.c). + * Arguments are borrowed; string results are owned. noop is the + * emitter-dropped tail of a lowering whose effects sit in statements. + * label is `${label}` over a defaulted label (undefined -> "default"; + * a Symbol throws Node's TypeError). count prints "label: n". + * countReset answers the warning text for an unknown (or non-string) + * label, "" otherwise. time answers the duplicate-label warning text + * or ""; timeEnd/timeLog answer Node's formatted elapsed time, or "" + * for an unknown label (timeEnd drops the timer). group adds (+1) or + * removes (-1) one two-space indentation step. clear writes the + * cursor-home and erase-down sequences when stdout is a terminal. + * table renders and prints Node's table for a dyn value (undefined + * properties = all). dirDyn is console.dir's inspect of a dyn value + * (custom inspection off: a Buffer anywhere inside throws the fence). */ + "console.noop": { argTypes: [], result: VOID }, + "console.label": { argTypes: [DYN], result: STRING }, + "console.count": { argTypes: [STRING], result: VOID }, + "console.countReset": { argTypes: [DYN], result: STRING }, + "console.time": { argTypes: [STRING], result: STRING }, + "console.timeEnd": { argTypes: [STRING], result: STRING }, + "console.timeLog": { argTypes: [STRING], result: STRING }, + "console.group": { argTypes: [F64], result: VOID }, + "console.clear": { argTypes: [], result: VOID }, + "console.table": { argTypes: [DYN, DYN], result: VOID }, + "console.dirDyn": { argTypes: [DYN, F64], result: STRING }, + /** A native reference to the global object; known names retain value fences. */ + "global.native": { argTypes: [arrayOf(STRING)], result: DYN }, + // `X.name` through a class value: the arg is a program-dependent + // classval (a null slot; the libCall case checks the kind). + /** `X.name` through a class VALUE (scr_object.c): args[0] is a borrowed + * classval; the result is the class object's stored .name string, + * retained (+1 — the string is an interned immortal, so the retain is a + * no-op, kept for ownership uniformity). Never throws. A direct + * `C.name` on the class name itself folds to a strLit instead. */ + "class.name": { argTypes: [null], result: STRING }, + "error.ctor": { argTypes: [null, STRING], result: VOID }, + "error.toString": { argTypes: [null], result: STRING }, + /** SameValue over checked values, including NaN, signed zero and reference identity. */ + "dyn.sameValue": { argTypes: [DYN, DYN], result: BOOL }, + "error.stack": { argTypes: [null], result: STRING }, + "error.setStack": { argTypes: [null, STRING], result: VOID }, + "error.stackLimitGet": { argTypes: [], result: F64 }, + "error.stackLimitSet": { argTypes: [F64], result: VOID }, + // Receiver (any error-hierarchy object) and the program-dependent + // `string | undefined` result are checked in the libCall case. + /** NodeJS.ErrnoException's `.code` read: borrowed error-hierarchy + * receiver → the interned `string | undefined` union (type-directed + * construction in the backend, the process.envGet pattern) — the errno + * name where a throw site stamped one (fs, exec spawn/timeout, + * process.kill, the spawn 'error' event), the undefined arm everywhere + * else. Never throws. */ + "error.code": { argTypes: [null], result: VOID }, + // DOMException: construction takes the two dyn args (WebIDL's + // resolution runs in the runtime); the %DOMException result is a + // program-dependent object type, checked in the libCall case. The + // read surface takes the %DOMException receiver (a null slot — the + // libCall case checks the class name). + /** `new DOMException(message?, nameOrOptions?)` (scr_error.c): both args + * are borrowed dyn values (the lowering passes the dyn undefined for an + * absent argument, so WebIDL's optionality lives in one place). The + * runtime ToStrings the message ("" for absent/undefined), resolves the + * name — absent/undefined → "Error", a non-null object → ToString of its + * `name` member plus the `cause` own-property record, anything else → + * ToString — and stamps the legacy code from the WebIDL name table (0 + * off-table). Result is an owned (+1) %DOMException. Never throws (dyn + * ToString is total). */ + "error.newDom": { argTypes: [DYN, DYN], result: VOID }, + /** DOMException's own read surface (scr_error.c; %DOMException receivers + * only — borrowed). domCode: the legacy numeric code. domHasCause: the + * options form's own-property record (`'cause' in e`). domCause: the + * cause value, +1 (the dyn undefined when absent — matching Node's + * undefined read). None throws. */ + "error.domCode": { argTypes: [null], result: F64 }, + "error.domHasCause": { argTypes: [null], result: BOOL }, + "error.domCause": { argTypes: [null], result: DYN }, + /** structuredClone of a %DOMException receiver (scr_error.c): WebIDL + * serialization — name/message copy, the legacy code re-derives, cause + * does not serialize. args are the borrowed receiver and the borrowed + * options dyn value (the dyn undefined when absent — the shared + * validation throws Node's exact option errors; any non-empty transfer + * list throws DataCloneError, nothing static is transferable). Result + * +1 %DOMException. */ + "error.domClone": { argTypes: [null, DYN], result: VOID }, + /** `new AggregateError(errors, message?, options?)` (scr_json.c), in + * spec order: newAggregate installs the message and cause (both dyn, + * borrowed — the message conversion can throw) and returns an owned + * %AggregateError; aggregateSetErrors then stores the iterated list + * (borrowed receiver, the dyn array borrowed and retained). + * aggregateErrors reads the list (+1, the same array every read). */ + "error.newAggregate": { + argTypes: [DYN, DYN], + result: { kind: "object", className: "%AggregateError" }, + }, + "error.aggregateSetErrors": { argTypes: [null, DYN], result: VOID }, + "error.aggregateErrors": { argTypes: [null], result: DYN }, + /** `new SuppressedError(error, suppressed, message?)` (scr_json.c): all + * three dyn and borrowed; the message conversion can throw. Returns an + * owned %SuppressedError. */ + "error.newSuppressed": { + argTypes: [DYN, DYN, DYN], + result: { kind: "object", className: "%SuppressedError" }, + }, + /** `d instanceof TypeError` (and the other BUILTIN error classes) on a + * checked-dynamic value (scr_json.c): the from_error cache holds the + * dyn↔error identity edge, so the test resolves the runtime error and + * asks its vtable's stamped preorder interval — exact for every error + * that crossed the boundary. A dyn object that never came from an + * error (a hand-built {%error} literal) answers false: subclass + * identity is unknowable there (the root keeps dynTest's marker + * answer). args are the borrowed dyn and the SCR_ERR_* kind literal. + * Never throws. */ + "dyn.errInstanceof": { argTypes: [DYN, F64], result: BOOL }, + "weakMap.is": { argTypes: [DYN], result: BOOL }, + "weakSet.is": { argTypes: [DYN], result: BOOL }, + "weakMap.new": { argTypes: [DYN], result: DYN }, + "weakSet.new": { argTypes: [DYN], result: DYN }, + "finalizationRegistry.new": { argTypes: [DYN], result: DYN }, + "finalizationRegistry.is": { argTypes: [DYN], result: BOOL }, + "dyn.fromEntries": { argTypes: [DYN], result: DYN }, + "bytes.constructor": { argTypes: [STRING], result: DYN }, + "bytes.instanceOf": { argTypes: [DYN, DYN, STRING], result: BOOL }, + "bytes.construct": { argTypes: [DYN, DYN, STRING], result: DYN }, + /** The ambient receiver — JS `this` in a plain (non-method) function + * body: the innermost binding the current firing/dispatch window + * pushed (Node's listener receiver, a dyn OBJ method's object, an + * apply/call thisArg), or the undefined dyn singleton with none bound + * (the strict-mode plain-call answer, the old constant). Zero args → + * dyn (+1). Never throws. */ + "dyn.dataViewIs": { argTypes: [DYN], result: BOOL }, + "dyn.construct": { argTypes: [DYN, DYN, STRING], result: DYN }, + "arrayBuffer.constructor": { argTypes: [], result: DYN }, + "sharedArrayBuffer.new": { argTypes: [DYN], result: DYN }, + "sharedArrayBuffer.is": { argTypes: [DYN], result: BOOL }, + "arrayBuffer.new": { argTypes: [DYN], result: DYN }, + "ffi.argument": { argTypes: [DYN, STRING], result: DYN }, + "ffi.memoryModule": { argTypes: [DYN], result: DYN }, + "intl.segmenterNew": { argTypes: [], result: DYN }, + "intl.segmenterRefusing": { argTypes: [STRING], result: DYN }, + "arrayBuffer.is": { argTypes: [DYN], result: BOOL }, + "arrayBuffer.isView": { argTypes: [DYN], result: BOOL }, + "arrayBuffer.byteLengthGetter": { argTypes: [], result: F64 }, + "arrayBuffer.byteLengthDescriptor": { argTypes: [DYN], result: DYN }, + "arrayBuffer.viewU8C": { argTypes: [DYN, DYN, DYN], result: bytesOf("u8c") }, + "arrayBuffer.viewI8": { argTypes: [DYN, DYN, DYN], result: bytesOf("i8") }, + "arrayBuffer.viewU16": { argTypes: [DYN, DYN, DYN], result: bytesOf("u16") }, + "arrayBuffer.viewI16": { argTypes: [DYN, DYN, DYN], result: bytesOf("i16") }, + "arrayBuffer.viewU8": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, + "arrayBuffer.viewU32": { argTypes: [DYN, DYN, DYN], result: bytesOf("u32") }, + "arrayBuffer.viewI32": { argTypes: [DYN, DYN, DYN], result: bytesOf("i32") }, + "arrayBuffer.viewF16": { argTypes: [DYN, DYN, DYN], result: bytesOf("f16") }, + "arrayBuffer.viewF32": { argTypes: [DYN, DYN, DYN], result: bytesOf("f32") }, + "arrayBuffer.viewF64": { argTypes: [DYN, DYN, DYN], result: bytesOf("f64") }, + "arrayBuffer.viewDV": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, + /** Object.keys/values/entries over a CHECKED-DYNAMIC receiver + * (scr_json.c): the runtime walks the dyn node's own members in JS + * own-key order (array-index keys ascending first, then insertion + * order) and answers a dyn array (entries: an array of [key, value] + * pairs; values RETAIN the member nodes — reference semantics, like + * JS). Strings/arrays/bytes answer their index keys; other scalars an + * empty array; null/undefined throw Node's catchable TypeError + * ("Cannot convert undefined or null to object"). */ + "dyn.objKeys": { argTypes: [DYN], result: DYN }, + "dyn.forInKeys": { argTypes: [DYN], result: DYN }, + "dyn.forInKeyStrings": { argTypes: [DYN], result: arrayOf(STRING) }, + "dyn.forInStable": { argTypes: [DYN], result: BOOL }, + "dyn.objKeyStrings": { argTypes: [DYN], result: arrayOf(STRING) }, + /** Object.entries as a native [string, any][] (VOID: the tuple row's + * shape is program-dependent; the validator checks it). */ + "dyn.objEntryPairs": { argTypes: [DYN], result: VOID }, + "dyn.hasOwn": { argTypes: [DYN, STRING], result: BOOL }, + "dyn.propertyIsEnumerable": { argTypes: [DYN, STRING], result: BOOL }, + "dyn.assign": { argTypes: [DYN, DYN], result: DYN }, + "dyn.copyDataProperties": { argTypes: [DYN, DYN], result: DYN }, + "dyn.objectRest": { argTypes: [DYN, DYN], result: DYN }, + /** Variadic Object.assign over CHECKED-DYNAMIC targets (`Object.assign( + * {}, ...arr.map(f), tail)` — the option-table merge): the lowering + * builds one fresh dyn pack of sources (packPush retains a plain source + * in; packPushSpread flattens a spread source through the spread-call + * walk — V8's exact TypeError texts, the string arg spelling the spread + * expression for the nullish form), so every source evaluates and + * flattens BEFORE any copying (JS's ArgumentListEvaluation), then + * assignAll copies each pack element's own enumerable keys onto the + * target left to right and answers the TARGET (+1) — identity, like JS. + * assignAll throws Node's ToObject TypeError on a nullish target. */ + "dyn.packPush": { argTypes: [DYN, DYN], result: VOID }, + "dyn.packPushSpread": { argTypes: [DYN, DYN, STRING], result: VOID }, + /** The iterated-path spread twin: V8 spells the optimized apply-path + * texts (packPushSpread's — the expression named for nullish sources) + * only for the SINGLE LAST argument's spread; any other spread position + * drives the real iterator protocol, whose failure describes the VALUE + * ("object null is not iterable (cannot read property + * Symbol(Symbol.iterator))"). The frontend picks by position. */ + "dyn.packPushSpreadIter": { argTypes: [DYN, DYN], result: VOID }, + "dyn.reflectApply": { argTypes: [DYN, DYN, DYN], result: DYN }, + "dyn.reflectGet": { argTypes: [DYN, DYN, DYN], result: DYN }, + /** `using` / `await using` with a dyn value (scr_json.c): usingMethod + * runs the declaration's checks and answers what usingDispose calls at + * scope exit (undefined for a null or undefined value). The bool selects + * `await using`. Both throw Node's TypeErrors or the method's error. */ + "dyn.usingMethod": { argTypes: [DYN, BOOL], result: DYN }, + "dyn.usingDispose": { argTypes: [DYN, DYN], result: DYN }, + /** DisposableStack (scr_symbol.c): a new stack handle; whether a value is + * one; and `stack.use(value)` for a class instance, registering the + * compiler's disposal function for it. The last throws Node's + * ReferenceError on a disposed stack. */ + "disposable.stackNew": { argTypes: [], result: DYN }, + "disposable.stackIs": { argTypes: [DYN], result: BOOL }, + "disposable.stackUseCallback": { argTypes: [DYN, DYN, DYN], result: BOOL }, + "dyn.reflectSet": { argTypes: [DYN, DYN, DYN, DYN], result: BOOL }, + "dyn.reflectDefine": { argTypes: [DYN, DYN, DYN], result: BOOL }, + "dyn.abstractEq": { argTypes: [DYN, DYN], result: BOOL }, + "dyn.assignAll": { argTypes: [DYN, DYN], result: DYN }, - "dyn.objCreateNullProto": { argTypes: [], result: DYN }, - "dyn.arrayPrototype": { argTypes: [], result: DYN }, - "dyn.arrayConstructor": { argTypes: [], result: DYN }, - "dyn.objectPrototype": { argTypes: [], result: DYN }, - "dyn.errorPrototype": { argTypes: [], result: DYN }, - "dyn.inheritsErrorPrototype": { argTypes: [DYN], result: BOOL }, - "dyn.errorCaptureStackTrace": { argTypes: [DYN], result: DYN }, - "dyn.errorCaptureStackTraceFunction": { argTypes: [], result: DYN }, - "dyn.functionApply": { argTypes: [], result: DYN }, - "dyn.builtinMethod": { argTypes: [STRING, STRING], result: DYN }, - "dyn.classPrototype": { argTypes: [DYN, DYN], result: DYN }, - "dyn.classBasePrototype": { argTypes: [DYN], result: DYN }, - "dyn.classInherit": { argTypes: [DYN, DYN], result: DYN }, - /** EventEmitter (0), Stream (1), Readable (2), Writable (3), Duplex (4), - * Transform (5) and PassThrough (6) as untyped constructor values, one - * per thread (scr_dyn_builtin_class.c). */ - "dyn.builtinClass": { argTypes: [F64], result: DYN }, - /** The stream classes (2-6 above) with their stream half: constructor - * functions over them get native stream state - * (scr_dyn_builtin_stream.c). */ - "dyn.builtinStreamClass": { argTypes: [F64], result: DYN }, - /** `value instanceof C` for those constructors, over the value's - * prototype chain. */ - "dyn.builtinInstanceOf": { argTypes: [DYN, F64], result: BOOL }, - /** `value instanceof f` for an untyped constructor function: the - * prototype chain against f.prototype. */ - "dyn.functionInstanceOf": { argTypes: [DYN, DYN], result: BOOL }, - "dyn.classSuper": { argTypes: [DYN, DYN, DYN], result: VOID }, - "dyn.assignPrototype": { argTypes: [DYN, DYN, DYN], result: DYN }, - "dyn.definePrototypeProps": { argTypes: [DYN, DYN, DYN], result: DYN }, - "dyn.bagGet": { argTypes: [DYN, STRING, DYN], result: DYN }, - /** A class field's creation in its instance's property bag: adds the - * string key as a default data property when absent, answering false - * (nothing changed) when the bag needs the general defineProperty path. */ - "dyn.bagCreateField": { argTypes: [DYN, STRING], result: BOOL }, - "dyn.bagSet": { argTypes: [DYN, STRING, DYN, DYN], result: VOID }, - "dyn.objCreate": { argTypes: [DYN], result: DYN }, - // Names a compiled class's prototype object (args[0]) after the class - // (args[1]) for util.inspect. - "dyn.nameClassPrototype": { argTypes: [DYN, STRING], result: VOID }, - "dyn.objCreateWithProperties": { argTypes: [DYN, DYN], result: DYN }, - "dyn.getPrototype": { argTypes: [DYN], result: DYN }, - // dyn.getPrototype for walks that compare each prototype with a program - // class's prototype: native builtin values end the walk (null). - "dyn.getPrototypeForIdentity": { argTypes: [DYN], result: DYN }, - "dyn.setPrototype": { argTypes: [DYN, DYN], result: DYN }, - "dyn.getOwnPropertyNames": { argTypes: [DYN], result: DYN }, - "dyn.ownKeys": { argTypes: [DYN], result: DYN }, - "dyn.getOwnPropertySymbols": { argTypes: [DYN], result: DYN }, - "dyn.getOwnPropertyDescriptors": { argTypes: [DYN], result: DYN }, - "dyn.preventExtensions": { argTypes: [DYN], result: DYN }, - "dyn.isExtensible": { argTypes: [DYN], result: BOOL }, - "dyn.seal": { argTypes: [DYN], result: DYN }, - "dyn.isSealed": { argTypes: [DYN], result: BOOL }, - "dyn.objValues": { argTypes: [DYN], result: DYN }, - /** Object.values as a native vector of checked values, for results the - * program consumes directly (for-of, index reads, read-only methods). */ - "dyn.objValueList": { argTypes: [DYN], result: arrayOf(DYN) }, - "dyn.objEntries": { argTypes: [DYN], result: DYN }, - /** structuredClone over the checked-dynamic tree (scr_json.c): the JSON-safe subset plus - * bytes (a fresh copy — a Buffer clones as a plain Uint8Array, like - * Node), deep. Functions and handle kinds throw the spec's catchable - * DataCloneError; CYCLES throw the scriptc fence (the checked-dynamic tree cannot - * represent them — Node clones cycles; documented divergence). The - * options dyn value validates with Node's exact errors (dictionary - * conversion, the transfer-sequence member; any non-empty transfer - * list throws DataCloneError). dyn.cloneMissing is the zero-argument - * call: always throws Node's TypeError [ERR_MISSING_ARGS] with Node's - * own (verbatim, doubly-wrapped) message. */ - "dyn.structuredClone": { argTypes: [DYN, DYN], result: DYN }, - /** The declaration-typed boundary's adoption (decl-projection.ts): - * `source` is the dynamic value a boundary cast just converted, and - * `capsule` a live capsule of the native value built from it. Every - * object or array of `source` that something else still references - * becomes, in place, a live capsule of the native value built from it. - * Throws the path TypeError, changing nothing, when a converted object - * is not plain data (a prototype, accessors, symbols, frozen state). */ - "dyn.declAdopt": { argTypes: [DYN, DYN], result: VOID }, - "dyn.cloneMissing": { argTypes: [], result: DYN }, - /** structuredClone with a NON-EMPTY transfer array of static values: - * nothing static is transferable, so the call always throws Node's - * catchable DataCloneError ("Found invalid value in transferList.") — - * lowered directly (the list's values need no dyn representation to - * fail). */ - "dyn.cloneTransferFail": { argTypes: [], result: DYN }, - /** The same refusal given the transfer list's first member, an - * ArrayBuffer: a Buffer pool slab gets Node's untransferable message. */ - "dyn.cloneTransferFailWith": { argTypes: [DYN], result: DYN }, - /** `new RegExp(pattern, flags?)` (scr_regex.c): a heap regex over the - * same libregexp engine the literals use. The pattern compiles EAGERLY - * so an invalid pattern (or an unknown flag letter) throws Node's - * catchable SyntaxError at construction — Node's message shape with - * libregexp's detail text (approximate fidelity; e.name exact). An - * empty pattern stores the spec's "(?:)" source. Both args borrowed - * strings (the lowering completes an absent flags to ""); result +1. - * The result TYPE is the regex kind, so the link switch pulls the - * engine exactly like a literal. */ - "regex.new": { argTypes: [STRING, STRING], result: REGEX }, - "regex.resetLastIndex": { argTypes: [REGEX, F64], result: VOID }, - "regex.newChecked": { argTypes: [DYN, DYN], result: REGEX }, - "regex.replaceCallback": { argTypes: [STRING, REGEX, DYN, BOOL], result: STRING }, - // Reads of capture args[1] of an execSpans/matchGroups result: - // `capture === args[2]`, Number(capture) and parseInt(capture, - // args[2]). Borrowed; never throw. - "regex.groupEquals": { argTypes: [arrayOf(STRING), F64, STRING], result: BOOL }, - "regex.groupNumber": { argTypes: [arrayOf(STRING), F64], result: F64 }, - "regex.groupParseInt": { argTypes: [arrayOf(STRING), F64, F64], result: F64 }, - // `.index` / `.input` (args[1]) of a match result. Borrowed; never throws. - "regex.resultProp": { argTypes: [arrayOf(STRING), STRING], result: DYN }, - // The string keys `for...in` visits on an array (args[0], any element - // type) after its indices. Borrowed; never throws. - "array.namedKeys": { argTypes: [null], result: arrayOf(STRING) }, - // Whether the array (args[0]) still has the key (args[1]) from its - // namedKeys list. Borrowed; never throws. - "array.hasNamedKey": { argTypes: [null, STRING], result: BOOL }, - // Whether an array (args[0], any element type) has properties besides its - // elements: noncanonical numeric keys, match metadata or named - // properties. Borrowed; never throws. - "array.hasProperties": { argTypes: [null], result: BOOL }, - // The key of an element access whose index is undefined (the property - // named "undefined"; frontend/lowering/undefined-index.ts). - "array.undefinedKey": { argTypes: [], result: F64 }, - // node:events EventEmitter: receivers are emitter-hierarchy objects and - // the chaining forms (on/off/removeAll/setMax) return the receiver's - // own class — program-dependent object types, checked in the libCall - // case. emitter.emit is the one VARIADIC libCall: args beyond - // (recv, name) are the event's frontend-unified tuple, any borrowable - // kind — the count check admits a longer list for it alone. - /** node:events EventEmitter (scr_events_emitter.c, link-gated by - * moduleUsesEmitter). The receiver of every instance form is a borrowed - * emitter-hierarchy object (`%EventEmitter` or a user subclass — the - * backend reinterprets to ScrEmitter*, the identical prefix); event - * names are borrowed strings (compile-time literals — the frontend - * fences non-literals and unifies each event's argument tuple program- - * wide). The chaining forms (on/off/removeAll/setMax) return the - * receiver +1 typed as its static class, Node's `return this`. - * - * emitter.new: `new EventEmitter()` → a +1 bare emitter. emitter.ctor: - * super() into the prefix of an emitted subclass (borrowed receiver, - * void — allocation already initialized the prefix). emitter.on: - * (recv, name, cb /moves/, once, prepend) — the backend synthesizes the - * per-signature va_list invoke adapter from the cb's func type. - * emitter.emit: (recv, name, ...tuple) — VARIADIC, the one libCall - * whose arg count exceeds its signature; args are borrowed, result is - * the had-listeners bool. emitter.emitError: emit('error', err) — - * throws err when unhandled. count/countFn/names/listeners/getMax/ - * setMax/setDefaultMax/getDefaultMax are the introspection surface. */ - "emitter.new": { argTypes: [], result: VOID }, - /** `x.constructor.name` of an emitter or stream (a borrowed object of - * EventEmitter's hierarchy): the +1 class name the instance records. */ - "emitter.className": { argTypes: [null], result: STRING }, - "emitter.ctor": { argTypes: [null], result: VOID }, - "emitter.on": { argTypes: [null, STRING, null, BOOL, BOOL], result: VOID }, - "emitter.off": { argTypes: [null, STRING, null], result: VOID }, - // The dyn-adapted registration family (JS-lane checked-dynamic - // listeners): checkListener has NO receiver (it validates the listener - // argument alone); onDyn carries (recv, name, cb dyn, adapter func, - // once, prepend), offDyn (recv, name, cb dyn). - "emitter.checkListener": { argTypes: [DYN], result: VOID }, - "emitter.onDyn": { argTypes: [null, STRING, DYN, null, BOOL, BOOL], result: VOID }, - "emitter.onFlex": { argTypes: [null, STRING, DYN, BOOL, BOOL], result: VOID }, - /** on/once/prepend* and emit through an untyped value (the class - * dispatch of compiled emitters): onFlex/emitFlex plus runtime typed - * adapters under 'error' and the meta events, and Node's unhandled-'error' - * contract. emitAny is VARIADIC like emitFlex. */ - "emitter.onAny": { argTypes: [null, STRING, DYN, BOOL, BOOL], result: VOID }, - "emitter.offDyn": { argTypes: [null, STRING, DYN], result: VOID }, - "emitter.removeAll": { argTypes: [null, STRING, BOOL], result: VOID }, - "emitter.emit": { argTypes: [null, STRING], result: BOOL }, - "emitter.emitFlex": { argTypes: [null, STRING], result: BOOL }, - "emitter.emitAny": { argTypes: [null, STRING], result: BOOL }, - /** An untyped emit of an event with a fixed tuple: (recv, name, k, then - * k checked-dynamic arguments as given, then the event's converted - * tuple) — VARIADIC like emitter.emit. hasTyped answers whether a - * listener of the name needs the converted tuple. */ - "emitter.emitMixed": { argTypes: [null, STRING, F64], result: BOOL }, - "emitter.hasTyped": { argTypes: [null, STRING], result: BOOL }, - "emitter.emitError": { argTypes: [null, STRING, null], result: BOOL }, - "emitter.count": { argTypes: [null, STRING], result: F64 }, - "emitter.countFn": { argTypes: [null, STRING, null], result: F64 }, - "emitter.countDyn": { argTypes: [null, STRING, DYN], result: F64 }, - "emitter.names": { argTypes: [null], result: VOID }, - "emitter.listeners": { argTypes: [null, STRING], result: VOID }, - /** listeners()/rawListeners() through an untyped value: a checked- - * dynamic array (throws when a listener has typed parameters). */ - "emitter.listenersDyn": { argTypes: [null, STRING], result: DYN }, - /** Stream-'data' registration twins of emitter.on/onDyn (same args): - * chosen at registration sites whose receiver is stream-rooted, so the - * backend emits DATA thunks — the runtime's 'data' emission carries - * BOTH payload slots (bytes, string; exactly one non-NULL — encoded - * streams deliver strings), and the thunk unwraps the listener's - * declared side (typed) or boxes by tag (dyn). emitter.emitData is the - * user-emit form: (recv, name, chunk) with a bytes OR string chunk. */ - "emitter.onData": { argTypes: [null, STRING, null, BOOL, BOOL], result: VOID }, - "emitter.onDataDyn": { argTypes: [null, STRING, DYN, null, BOOL, BOOL], result: VOID }, - "emitter.emitData": { argTypes: [null, STRING, null], result: BOOL }, - "emitter.setMax": { argTypes: [null, F64], result: VOID }, - "emitter.getMax": { argTypes: [null], result: F64 }, - "emitter.setDefaultMax": { argTypes: [F64], result: VOID }, - "emitter.getDefaultMax": { argTypes: [], result: F64 }, - // The ES module namespace's copy of defaultMaxListeners, and - // module.syncBuiltinESMExports() refreshing it. - "emitter.esmDefaultMax": { argTypes: [], result: F64 }, - "emitter.esmSync": { argTypes: [], result: VOID }, - /** The events.errorMonitor event key: an immortal string the runtime - * registry matches by identity, so no string event name reaches it. */ - "emitter.errorMonitor": { argTypes: [], result: STRING }, - // node:stream: receivers are stream-hierarchy objects and several - // results are program-dependent (the receiver's class, unions) — the - // libCall case owns those checks. The constructors and a few methods - // are VARIADIC (trailing option callbacks / the optional chunk+cb tail): - // argTypes here is the fixed prefix, VARIADIC_LIB_FNS admits the rest. - /** node:stream (scr_stream.c, link-gated by moduleUsesStream — which - * implies the emitter unit: stream events dispatch through the embedded - * ScrEmitter registry). Receivers are borrowed stream-class objects - * (`%Readable`/`%Writable`/`%Duplex`/`%Transform`/`%PassThrough` — one - * runtime layout, reinterpreted by side). - * - * Constructors (`readable.new` et al): args are [hwmR, hwmW, flags] - * followed by the PRESENT user callbacks in canonical order (read, - * write, final, destroy, transform, flush — the flags f64 is a bitmask - * naming which follow; absent ones emit NULL). Every callback closure - * MOVES and carries a leading `this` param (the stream), invoked - * through compiler-emitted adapters. Results are +1. - * - * readable.push / readable.pushStr / readable.pushNull: Node's push — - * buffers or delivers (bytes chunk borrowed; string converted utf8); - * returns the below-hwm answer. readable.read: (recv, size — -1 for - * absent) → Buffer|null union. pause/resume return recv +1 (`this`); - * isPaused answers the flag. readable.pipe: (recv, dst, end) → dst +1, - * fires 'pipe' on dst; readable.pipeGeneral: the same, with `end` off - * when dst is the converted process.stdout / process.stderr; - * readable.unpipe (recv[, dst]) → recv +1. - * writable.write/writeStr: (recv, chunk[, cb]) → below-hwm bool (cb - * MOVES when present, called after the user write completes). - * writable.writeEnc: (recv, flags, chunk[, encoding][, cb]) — flags 1 - * an encoding argument, 2 a callback (the encoding is then null, as - * Node's write shifts it). - * writable.end: (recv, flags[, chunk][, encoding][, cb]) → recv +1; - * flags 16: an encoding argument follows the dyn chunk. cork/uncork are - * void. stream.destroy/destroyErr: (recv[, err]) → recv +1. - * stream.prop: (recv, name-literal) → the flag/number the name asks - * for; stream.errored → Error|null union; readable.flowing → - * bool|null union. All may leave a listener's exception pending - * (dispatch runs user code synchronously, like emit). */ - "readable.new": { argTypes: [F64, BOOL, BOOL, F64], result: VOID }, - "writable.new": { argTypes: [F64, BOOL, BOOL, F64], result: VOID }, - "duplex.new": { argTypes: [F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, - "transform.new": { argTypes: [F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, - "passthrough.new": { argTypes: [F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, - // The subclass-initialization twins: the borrowed receiver leads, then - // the .new tail (variadic callbacks likewise). - // The dyn-options twins: newDyn takes the record, initDyn the borrowed - // receiver + record + fallback flags (trailing wrapper closures ride - // the variadic tail like the static forms). - /** The underscore-method assignment surface (`r._read = fn` after - * construction — Node's own-property shadow of the prototype method): - * args [stream receiver (borrowed), callback closure (+1 moves)]. The - * runtime slot the matching option callback fills swaps its closure - * and invoke thunk; the next dispatch uses it (Node's timing). The - * setters themselves never throw. */ - "stream.setRead": { argTypes: [null, null], result: VOID }, - "stream.setWrite": { argTypes: [null, null], result: VOID }, - "stream.setFinal": { argTypes: [null, null], result: VOID }, - "stream.setDestroy": { argTypes: [null, null], result: VOID }, - "stream.setTransform": { argTypes: [null, null], result: VOID }, - "stream.setFlush": { argTypes: [null, null], result: VOID }, - "stream.setConstruct": { argTypes: [null, null], result: VOID }, - "stream.replaceConstruct": { argTypes: [null, null], result: VOID }, - "stream.setWritev": { argTypes: [null, null], result: VOID }, - "stream.setWritevDefault": { argTypes: [null, null], result: VOID }, - /** The dyn-options twins (a checked-dynamic options record — the JS - * lane's `super(options)` forwarding and `new Readable(dynVar)`): the - * option walk runs at RUNTIME with Node's reading rules. newDyn: - * (optsDyn) → the fresh stream; initDyn: (recv, optsDyn, flags, - * ...fallback wrapper closures in canonical order — the flags literal - * names which ride, exactly the .init callback ABI). MAY THROW (a - * consumed-but-unlowered option is the compile fence's runtime twin). */ - /** stream.finished(s, cb) — the callback form: the watcher fires once - * at the terminal point with the finish status; the result is the +1 - * cleanup closure. stream.pipeline(count, s1..sn, cb): chains pipes, - * propagates the first error by destroying the rest, calls cb after the - * last 'close'; answers the destination +1. The Dyn twins take the - * callback as a checked-dynamic VALUE (mustCall wrappers). */ - /** stream.addAbortSignal: [stream, signal] — the constructors' signal - * option, chained over the fresh stream (falsy signals are ignored); - * stream.addAbortSignalFn: [signal, stream] — addAbortSignal(signal, - * stream). Both answer the stream (+1) and throw ERR_INVALID_ARG_TYPE - * for a value that is not an AbortSignal; they link the event-target - * unit (addAbortListener). */ - "stream.addAbortSignal": { argTypes: [null, DYN], result: VOID }, - "stream.addAbortSignalFn": { argTypes: [DYN, null], result: VOID }, - "stream.finished": { argTypes: [null, null], result: VOID }, - "stream.finishedDyn": { argTypes: [null, DYN], result: VOID }, - "stream.pipeline": { argTypes: [F64], result: VOID }, - "stream.pipelineDyn": { argTypes: [F64], result: VOID }, - "stream.pipelineStages": { argTypes: [F64, F64, F64, F64, F64], result: VOID }, - "stream.composeStages": { argTypes: [F64, F64, F64, F64, F64], result: VOID }, - "stream.pipelineStagesDyn": { argTypes: [F64, F64, F64, F64, F64], result: VOID }, - /** stream.compose(count, s1..sn): the Duplex over a pipeline of the - * streams (+1). MAY THROW (ERR_INVALID_ARG_VALUE for a stream that is - * no longer readable or writable). */ - "stream.compose": { argTypes: [F64], result: VOID }, - /** node:stream/promises — the promise forms over the same machinery: - * sp.finished: (s) → a pending void promise the terminal watcher - * settles; sp.pipeline: (count, s1..sn) → the callback pipeline's - * chaining/destroyer semantics settling a void promise (fulfilled on a - * clean finish, rejected with the finish status otherwise). */ - "sp.finished": { argTypes: [null], result: { kind: "promise", inner: VOID } }, - /** The options forms: finished(s, { readable, writable, error, cleanup, - * signal }) as [s, readable, writable, error, cleanup, signal?] — - * readable/writable -1 (absent), 0 or 1 — and pipeline(...streams, - * { signal, end }) as [count, s1..sn, end, signal?]. The Signal forms - * link the event-target unit (addAbortListener). The callback form - * stream.finishedOpts: [s, readable, writable, error, signal?, cb] → - * the cleanup closure. */ - "sp.finishedOpts": { - argTypes: [null, F64, F64, BOOL, BOOL], - result: { kind: "promise", inner: VOID }, - }, - "sp.finishedOptsSignal": { - argTypes: [null, F64, F64, BOOL, BOOL, DYN], - result: { kind: "promise", inner: VOID }, - }, - "sp.pipelineOpts": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, - "sp.pipelineOptsSignal": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, - "stream.finishedOpts": { argTypes: [null, F64, F64, BOOL, null], result: VOID }, - "stream.finishedOptsSignal": { argTypes: [null, F64, F64, BOOL, DYN, null], result: VOID }, - "sp.pipeline": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, - /** pipeline with function stages: [n, k, positions, flags, mask, - * s1..sn, stage1..stagek, helpers..., box?, (signal, abort)?] (+ the - * callback for the stream.* forms): the user's stage functions at the - * positions the bitmask names, the frontend's (next, read, return) - * helpers for each pumped generator (pipelinePumpedRuns) and a promise - * destination's box, and the pipeline's AbortSignal with its abort - * closure; flags bits 1-2 give the destination kind and bit 5 the - * signal group (scr_stream_pipeline_stages). A promise destination's - * promise type is sp.pipelineStages' result. */ - "sp.pipelineStages": { - argTypes: [F64, F64, F64, F64, F64], - result: { kind: "promise", inner: VOID }, - }, - /** sp.pipelineStages with the options argument: the same head, then - * end (a bool) and, with flags bit 6, the options' signal (dyn). */ - "sp.pipelineStagesOpts": { - argTypes: [F64, F64, F64, F64, F64], - result: { kind: "promise", inner: VOID }, - }, - /** node:stream/consumers — the promise consumers over the readable - * machinery: (s) → a pending promise settled at the terminal point - * with the accumulated result (sc.text: the utf8 decode, sc.json: the - * parsed dyn — malformed input rejects with the parse's SyntaxError, - * sc.buffer: the concatenated bytes, sc.arrayBuffer: an ArrayBuffer - * dyn over them) or rejected with the stream's - * error / ERR_STREAM_PREMATURE_CLOSE. */ - "sc.text": { argTypes: [null], result: { kind: "promise", inner: STRING } }, - "sc.json": { argTypes: [null], result: { kind: "promise", inner: DYN } }, - "sc.buffer": { argTypes: [null], result: { kind: "promise", inner: BYTES_U8 } }, - "sc.arrayBuffer": { argTypes: [null], result: { kind: "promise", inner: DYN } }, - "readable.newDyn": { argTypes: [DYN], result: VOID }, - "writable.newDyn": { argTypes: [DYN], result: VOID }, - "duplex.newDyn": { argTypes: [DYN], result: VOID }, - "transform.newDyn": { argTypes: [DYN], result: VOID }, - "passthrough.newDyn": { argTypes: [DYN], result: VOID }, - "readable.initDyn": { argTypes: [null, DYN, F64], result: VOID }, - "writable.initDyn": { argTypes: [null, DYN, F64], result: VOID }, - "duplex.initDyn": { argTypes: [null, DYN, F64], result: VOID }, - "transform.initDyn": { argTypes: [null, DYN, F64], result: VOID }, - "passthrough.initDyn": { argTypes: [null, DYN, F64], result: VOID }, - /** Subclass initialization (`super(options?)` in a user `extends - * Readable` constructor): same tail as the `.new` forms, prefixed with - * the BORROWED receiver (the emitted subclass allocation — vtable and - * display name stamped, state NULL until here). Overridden underscore - * methods arrive as synthesized wrapper closures dispatching through - * the vtable. Void result. */ - "readable.init": { argTypes: [null, F64, BOOL, BOOL, F64], result: VOID }, - "writable.init": { argTypes: [null, F64, BOOL, BOOL, F64], result: VOID }, - "duplex.init": { argTypes: [null, F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, - "transform.init": { argTypes: [null, F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, - "passthrough.init": { - argTypes: [null, F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], - result: VOID, - }, - "readable.push": { argTypes: [null, BYTES_U8], result: BOOL }, - "readable.pushStr": { argTypes: [null, STRING], result: BOOL }, - "readable.pushNull": { argTypes: [null], result: BOOL }, - "readable.pushU": { argTypes: [null, null], result: BOOL }, - "readable.pushDyn": { argTypes: [null, DYN], result: BOOL }, - "readable.unshift": { argTypes: [null, BYTES_U8], result: VOID }, - "readable.unshiftDyn": { argTypes: [null, DYN], result: VOID }, - "readable.unshiftStr": { argTypes: [null, STRING], result: VOID }, - "stream.onDyn": { argTypes: [null, STRING, DYN, BOOL, BOOL], result: VOID }, - "readable.readDyn": { argTypes: [null, DYN], result: DYN }, - "readable.read": { argTypes: [null, F64], result: VOID }, - "readable.pause": { argTypes: [null], result: VOID }, - "readable.setEncoding": { argTypes: [null, STRING], result: VOID }, - /** push(chunk, enc) with a literal non-utf8 encoding, and the - * defaultEncoding option's push side (how push(string) decodes — - * Buffer.from(chunk, enc)); both carry the CANONICAL literal. */ - "readable.pushStrEnc": { argTypes: [null, STRING, STRING], result: BOOL }, - "readable.pushEncoding": { argTypes: [null, STRING], result: VOID }, - /** The objectMode option's sides (readable, writable), applied right - * after construction; answers the receiver (+1, the chaining shape). */ - "stream.objectMode": { argTypes: [null, BOOL, BOOL], result: VOID }, - "stream.decodeStrings": { argTypes: [null, BOOL], result: VOID }, - /** Runtime decodeStrings and defaultEncoding option values, applied - * after construction (answers the receiver +1); the encoding was - * validated by stream.checkEncodingOption before construction. */ - "stream.optionValues": { argTypes: [null, DYN, DYN], result: VOID }, - "stream.checkEncodingOption": { argTypes: [DYN], result: VOID }, - "stream.duplexFromGen": { argTypes: [null, null, null, null, null, null], result: VOID }, - "stream.duplexFromDyn": { argTypes: [DYN], result: VOID }, - /** Duplex.from over a lone Readable or Writable, or a { readable, - * writable } pair of streams (duplexify.js's _duplexify). */ - "stream.duplexifyReadable": { argTypes: [null], result: VOID }, - "stream.duplexifyWritable": { argTypes: [null], result: VOID }, - "stream.duplexifyPair": { argTypes: [null, null], result: VOID }, - /** Duplex.from(promise): the promise and its box helper. */ - "stream.duplexFromPromise": { argTypes: [null, null], result: VOID }, - /** Duplex.from(asyncFunction): the stage, its source helper and the - * promise's box helper. */ - "stream.duplexFromAsyncFn": { argTypes: [null, null, null], result: VOID }, - /** The same for a body that declares the options argument: then the - * AbortController's abort() and its signal. */ - "stream.duplexFromGenSignal": { - argTypes: [null, null, null, null, null, null, null, DYN], - result: VOID, - }, - "stream.duplexFromAsyncFnSignal": { argTypes: [null, null, null, null, DYN], result: VOID }, - "writable.writeEncoding": { argTypes: [null, STRING], result: VOID }, - "writable.setDefaultEncoding": { argTypes: [null, DYN], result: VOID }, - /** Whether a readable.nextChunkDyn step answered the end (the done - * marker; an object-mode stream can yield undefined). */ - "stream.chunkDone": { argTypes: [DYN], result: BOOL }, - /** for-await over a readable (the desugared loop's per-pass promise): - * +1 promise of the next chunk — buffered content, the EOF sentinel - * (empty Buffer / dyn undefined), or a rejection with the stream's - * error. The Dyn twin boxes chunks by runtime tag (the JS lane). - * readable.fromArr is Readable.from over a typed array, string or - * Buffer: [array, SCR_FROM_* flags, highWaterMark]. readable.fromDyn is - * Readable.from over a checked-dynamic source: [source, options]. - * readable.fromIter is Readable.from over a class iterator, already - * opened: [checked-dynamic { next } object, flags, highWaterMark]; - * readable.fromAsyncIter is the async class iterator's twin. */ - "readable.nextChunk": { argTypes: [null], result: VOID }, - "readable.nextChunkDyn": { argTypes: [null], result: VOID }, - "readable.fromArr": { argTypes: [null, F64, F64], result: VOID }, - "readable.fromDyn": { argTypes: [DYN, DYN], result: VOID }, - "readable.fromIter": { argTypes: [DYN, F64, F64], result: VOID }, - "readable.fromAsyncIter": { argTypes: [DYN, F64, F64], result: VOID }, - /** Readable.from over a compiled generator: [generator, next, return, - * throw, flags, highWaterMark] (sync) or [generator, next, read, - * return, throw, flags, highWaterMark] (async), the helpers being the - * frontend's interned closures. readable.fromDone is the done marker - * the helpers answer. */ - "readable.fromGen": { argTypes: [null, null, null, null, F64, F64], result: VOID }, - "readable.fromAsyncGen": { argTypes: [null, null, null, null, null, F64, F64], result: VOID }, - "readable.fromDone": { argTypes: [], result: DYN }, - /** The Readable operators (scr_stream_ops.c): [stream, ...] with every - * other argument a checked-dynamic value (the callback, the count, the - * options). map/filter/flatMap/drop/take answer the object-mode output - * stream (validated as a stream class; THROW Node's validation errors); - * toArray settles a dyn array, find a dyn value, some/every a boolean, - * forEach nothing; reduce: [stream, fn, init, hasInit, options, kind] - * with the payload kind (0 dyn, 1 number, 2 boolean, 3 string). The - * promise-returning ones reject instead of throwing. */ - "readable.opMap": { argTypes: [null, DYN, DYN, DYN], result: VOID }, - "readable.opFilter": { argTypes: [null, DYN, DYN, DYN], result: VOID }, - "readable.opFlatMap": { argTypes: [null, DYN, DYN, DYN], result: VOID }, - /** flatMap whose callback returns a compiled generator: the helpers - * over its type follow (async: next, read, return, throw; sync: next, - * return, throw). */ - "readable.opFlatMapAsyncGen": { - argTypes: [null, DYN, DYN, DYN, null, null, null, null], - result: VOID, - }, - "readable.opFlatMapSyncGen": { argTypes: [null, DYN, DYN, DYN, null, null, null], result: VOID }, - "readable.opDrop": { argTypes: [null, DYN, DYN], result: VOID }, - "readable.opTake": { argTypes: [null, DYN, DYN], result: VOID }, - "readable.opToArray": { argTypes: [null, DYN], result: { kind: "promise", inner: DYN } }, - "readable.opForEach": { - argTypes: [null, DYN, DYN, DYN], - result: { kind: "promise", inner: VOID }, - }, - "readable.opSome": { argTypes: [null, DYN, DYN, DYN], result: { kind: "promise", inner: BOOL } }, - "readable.opEvery": { argTypes: [null, DYN, DYN, DYN], result: { kind: "promise", inner: BOOL } }, - "readable.opFind": { argTypes: [null, DYN, DYN, DYN], result: { kind: "promise", inner: DYN } }, - /** The map family's last argument is the callback's { signal } (or - * undefined). reduceSignal adds ac.abort() (a closure) and - * { signal: ac.signal } for a reducer that reads them. */ - "readable.opReduce": { argTypes: [null, DYN, DYN, BOOL, DYN, F64], result: VOID }, - "readable.opReduceSignal": { - argTypes: [null, DYN, DYN, BOOL, DYN, F64, null, DYN], - result: VOID, - }, - "readable.opSignalList": { argTypes: [DYN], result: DYN }, - "readable.opSignalOpts": { argTypes: [DYN], result: DYN }, - "readable.opSignalOf": { argTypes: [DYN], result: DYN }, - "readable.opOnceOptions": { argTypes: [], result: DYN }, - "readable.resume": { argTypes: [null], result: VOID }, - "readable.isPaused": { argTypes: [null], result: BOOL }, - "readable.pipe": { argTypes: [null, null, BOOL], result: VOID }, - "readable.pipeGeneral": { argTypes: [null, null, BOOL], result: VOID }, - "readable.unpipe": { argTypes: [null], result: VOID }, - "readable.flowing": { argTypes: [null], result: VOID }, - "writable.write": { argTypes: [null, BYTES_U8], result: BOOL }, - "writable.writeStr": { argTypes: [null, STRING], result: BOOL }, - "writable.writeU": { argTypes: [null, null], result: BOOL }, - "writable.writeDyn": { argTypes: [null, DYN], result: BOOL }, - "writable.writeEnc": { argTypes: [null, F64, DYN], result: BOOL }, - "writable.end": { argTypes: [null, F64], result: VOID }, - "writable.cork": { argTypes: [null], result: VOID }, - "writable.uncork": { argTypes: [null], result: VOID }, - "stream.destroy": { argTypes: [null], result: VOID }, - "stream.destroyErr": { argTypes: [null, null], result: VOID }, - /** AsyncIteratorClose for Readable[Symbol.asyncIterator](): destroy with - * Node's AbortError/ABORT_ERR payload while the iterator's internal error - * consumer prevents an unhandled-error crash. */ - "stream.iteratorClose": { argTypes: [null], result: VOID }, - "stream.prop": { argTypes: [null, STRING], result: VOID }, - "stream.errored": { argTypes: [null], result: VOID }, - // node:assert: pass/negated/deep/hasMsg are frontend-computed bools; the - // message slot always carries a string ("" when hasMsg is false). - /** node:assert (scr_assert.c; assert.match in scr_regex.c — every call - * site carries a regex value, so the regex link switch is already on). - * Failures throw a catchable AssertionError — a runtime %Error whose - * name is "AssertionError" and whose code slot is "ERR_ASSERTION" — so - * `instanceof Error`, `.name`, `.message`, and `.code` all answer like - * Node's. Generated messages are Node's assertion_error.js scalar forms - * byte-exactly (the short `a !== b` form, the stacked `+ actual - * - expected` diff with the string `^` indicator, the inline-vs-block - * not-equal split); composite deep failures carry the header line - * without the rendered inspect diff (documented divergence). - * - * assert.ok: (pass, message) — the frontend computed the truthiness AND - * the full message (the user's, or the compile-time source-text form — - * assert.fail lowers here too with pass=false). assert.eqF64/eqBigInt/ - * eqStr/eqBool: (a, b, negated, deep, msg, hasMsg) — Object.is comparison, - * covering strictEqual/notStrictEqual and the scalar deepStrictEqual - * pair; msg is a typed dummy ("" literal) when hasMsg is false (Node - * distinguishes an omitted message from an empty one per operator). - * assert.deepResult: (equal, negated, msg, hasMsg) — the verdict of a - * frontend-synthesized structural comparison, turned into Node's throw. - * assert.sameValue: Object.is over doubles (the deep-equal helpers' - * number leaf; never throws). assert.match: (s, regex, negated, msg, - * hasMsg) — a fresh exec from index 0. assert.throwsNone: (rejection, - * ename, hasEname, msg, hasMsg) — the "Missing expected - * exception|rejection" throw of assert.throws/rejects whose callback - * returned (fulfilled) normally, with Node's ` (${expected.name})` - * detail when the expected class or shape carries a name. - * assert.throwsMismatch: (expectedName, error) — the wrong-class throw - * of the assert.throws(fn, ErrorClass) form. assert.eqSym: - * (a, b, negated, deep, msg, hasMsg) — strict equality over symbol - * values, pointer identity with v24's "Symbol(desc)" stacked-diff - * messages (scr_symbol.c, the assert.match pattern — symbol-typed - * slots already flip the symbol link switch). assert.eqDyn: - * (a, b, negated, deep, msg, hasMsg) — the whole quartet over - * checked-dynamic operands (both slots dyn; the frontend boxes a - * static side with dynFrom first): SameValue for the strict pair over - * the dyn kinds (boxed-closure identity for functions), the structural - * dyn walk for the deep pair, with assertion_error.js's messages — - * scalar forms byte-exact, composites rendered compact:false/sorted - * through the checked-dynamic tree and diffed with the real myers line printer. - * - * The assert.throws(fn, {name/code/message}) shape check - * (expectedException over the static error surface): shapeBegin - * stashes the caught error, shapeStr/shapeRe add one expected key each - * (key ids 0 code / 1 message / 2 name; shapeRe lives in scr_regex.c — - * its regex argument flips the regex link switch — and tests eagerly - * so scr_assert.c stays libregexp-free), then shapeEnd throws Node's - * deep-equal Comparison diff BYTE-EXACTLY (the bounded key set makes - * the rendering enumerable) or the custom message. - * assert.throwsRegex: (regex, error, msg, hasMsg) — the - * assert.throws(fn, /re/) check over String(error), Node's - * regex-mismatch message. assert.regexErrTest: doesNotReject's - * regex predicate over String(error) (never throws). - * assert.unwantedRejection: (error, msg, hasMsg) — doesNotReject's - * "Got unwanted rejection" throw. - * assert.ifErrorErr/F64/Str/Bool: assert.ifError's per-type throws - * ("ifError got unwanted exception: " + the error's message/name or - * the value's inspection) — the frontend routes null/undefined to a - * no-op and everything else here (Node throws for falsy values too). - * All arguments are borrowed. */ - "assert.ok": { argTypes: [BOOL, STRING, BOOL], result: VOID }, - /** The next AssertionError's actual, expected and operator, recorded on - * a failure branch. */ - "assert.record": { argTypes: [DYN, DYN, STRING], result: VOID }, - "assert.errorNew": { argTypes: [DYN], result: { kind: "object", className: "%AssertionError" } }, - "assert.eqF64": { argTypes: [F64, F64, BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.eqBigInt": { argTypes: [BIGINT_T, BIGINT_T, BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.eqStr": { argTypes: [STRING, STRING, BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.eqBool": { argTypes: [BOOL, BOOL, BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.deepResult": { argTypes: [BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.looseDeepResult": { argTypes: [BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.looseDeepDyn": { argTypes: [DYN, DYN, BOOL, STRING, BOOL], result: VOID }, - "assert.partialDeepDyn": { argTypes: [DYN, DYN, STRING, BOOL], result: VOID }, - "assert.partialDeepResult": { argTypes: [BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.partialEqDyn": { argTypes: [DYN, DYN], result: BOOL }, - "assert.looseF64Eq": { argTypes: [F64, F64], result: BOOL }, - "assert.sameValue": { argTypes: [F64, F64], result: BOOL }, - // The deep-equality pair memo: both slots are program-dependent - // (any cycle-capable record/array/map type). - /* deepStrictEqual's pair memo over cycle-capable types: enter answers - * true for a pair already being compared (Node's memo — equal cyclic - * structures compare true); leave pops. */ - "assert.deqEnter": { argTypes: [null, null], result: BOOL }, - "assert.deqLeave": { argTypes: [], result: VOID }, - "assert.match": { argTypes: [STRING, REGEX, BOOL, STRING, BOOL], result: VOID }, - "assert.throwsNone": { argTypes: [BOOL, STRING, BOOL, STRING, BOOL], result: VOID }, - "assert.throwsMismatch": { - argTypes: [STRING, { kind: "object", className: "%Error" }, STRING, BOOL, BOOL], - result: VOID, - }, - "assert.throwsRegex": { - argTypes: [REGEX, { kind: "object", className: "%Error" }, STRING, BOOL, BOOL], - result: VOID, - }, - // Symbol strict equality (pointer identity; scr_symbol.c). - "assert.eqSym": { - argTypes: [{ kind: "symbol" }, { kind: "symbol" }, BOOL, BOOL, STRING, BOOL], - result: VOID, - }, - // The equality quartet over checked-dynamic operands (the frontend - // boxes a static side into the checked-dynamic tree first). - "assert.eqDyn": { argTypes: [DYN, DYN, BOOL, BOOL, STRING, BOOL], result: VOID }, - /** A message argument that is not a string, registered for the next - * failing assertion (scr_assert_message_value). */ - "assert.messageValue": { argTypes: [DYN, BOOL], result: VOID }, - /** An assert method as a function value, by canonical name. */ - "assert.methodValue": { argTypes: [STRING], result: DYN }, - "assert.messageClear": { argTypes: [], result: VOID }, - "assert.looseResult": { argTypes: [BOOL, BOOL, STRING, STRING, STRING, BOOL], result: VOID }, - // The throws(fn, {shape}) accumulator: begin/slot calls never throw; - // shapeEnd throws the Comparison diff. The error slot is the - // %Error-narrowed caught value. - "assert.shapeBegin": { argTypes: [{ kind: "object", className: "%Error" }], result: VOID }, - "assert.shapeStr": { argTypes: [F64, STRING], result: VOID }, - "assert.shapeRe": { argTypes: [F64, REGEX], result: VOID }, - "assert.shapeEnd": { argTypes: [STRING, BOOL, BOOL], result: VOID }, - "assert.regexErrTest": { - argTypes: [REGEX, { kind: "object", className: "%Error" }], - result: BOOL, - }, - "assert.unwantedRejection": { - argTypes: [{ kind: "object", className: "%Error" }, STRING, BOOL], - result: VOID, - }, - "assert.unwantedError": { argTypes: [STRING, BOOL, STRING, BOOL], result: VOID }, - "assert.noErrorPredicate": { argTypes: [DYN, DYN], result: BOOL }, - "assert.regexDynTest": { argTypes: [REGEX, DYN], result: BOOL }, - /** Node's expectsError over an error-INSTANCE expected (assert.throws/ - * rejects second argument): walk the expected dyn error's keys (name, - * message, code — the %error marker skipped) and deep-compare each - * against the caught value's; a mismatch throws the deep-equal - * AssertionError (scr_assert.c). MAY THROW by design. */ - "assert.expectsErrDyn": { argTypes: [DYN, DYN, STRING, BOOL], result: VOID }, - /** A validation function against the caught value (Node's expectedException). */ - "assert.throwsValidate": { argTypes: [DYN, DYN, STRING, STRING, BOOL], result: VOID }, - // assert.ifError's typed entries (always throw; unit args never - // lower). The error slot is program-dependent — any %Error-hierarchy - // class, root or subclass (the insp.error precedent, null slot). - "assert.ifErrorErr": { argTypes: [null], result: VOID }, - "assert.ifErrorF64": { argTypes: [F64], result: VOID }, - "assert.ifErrorStr": { argTypes: [STRING], result: VOID }, - "assert.ifErrorBool": { argTypes: [BOOL], result: VOID }, - "assert.ifErrorDyn": { argTypes: [DYN], result: VOID }, - // Bytes equality: the two value slots are any bytes kind (the frontend - // gates both sides to ONE static bytes type; the libCall case checks - // the kind and the pair below). - "assert.refEqBytes": { argTypes: [null, null, BOOL, BOOL, STRING, BOOL], result: VOID }, - "assert.refEqFn": { argTypes: [null, null, BOOL, STRING, BOOL], result: VOID }, - "assert.bytesDeepEq": { argTypes: [null, null, BOOL], result: BOOL }, - "assert.looseBytesEq": { argTypes: [null, null], result: BOOL }, - // util.inspect: the error receiver is program-dependent (a builtin or - // user error class — the error.toString precedent, null slot). + "dyn.objCreateNullProto": { argTypes: [], result: DYN }, + "dyn.arrayPrototype": { argTypes: [], result: DYN }, + "dyn.arrayConstructor": { argTypes: [], result: DYN }, + "dyn.objectPrototype": { argTypes: [], result: DYN }, + "dyn.errorPrototype": { argTypes: [], result: DYN }, + "dyn.inheritsErrorPrototype": { argTypes: [DYN], result: BOOL }, + "dyn.errorCaptureStackTrace": { argTypes: [DYN], result: DYN }, + "dyn.errorCaptureStackTraceFunction": { argTypes: [], result: DYN }, + "dyn.functionApply": { argTypes: [], result: DYN }, + "dyn.builtinMethod": { argTypes: [STRING, STRING], result: DYN }, + "dyn.classPrototype": { argTypes: [DYN, DYN], result: DYN }, + "dyn.classBasePrototype": { argTypes: [DYN], result: DYN }, + "dyn.classInherit": { argTypes: [DYN, DYN], result: DYN }, + /** EventEmitter (0), Stream (1), Readable (2), Writable (3), Duplex (4), + * Transform (5) and PassThrough (6) as untyped constructor values, one + * per thread (scr_dyn_builtin_class.c). */ + "dyn.builtinClass": { argTypes: [F64], result: DYN }, + /** The stream classes (2-6 above) with their stream half: constructor + * functions over them get native stream state + * (scr_dyn_builtin_stream.c). */ + "dyn.builtinStreamClass": { argTypes: [F64], result: DYN }, + /** `value instanceof C` for those constructors, over the value's + * prototype chain. */ + "dyn.builtinInstanceOf": { argTypes: [DYN, F64], result: BOOL }, + /** `value instanceof f` for an untyped constructor function: the + * prototype chain against f.prototype. */ + "dyn.functionInstanceOf": { argTypes: [DYN, DYN], result: BOOL }, + "dyn.classSuper": { argTypes: [DYN, DYN, DYN], result: VOID }, + "dyn.assignPrototype": { argTypes: [DYN, DYN, DYN], result: DYN }, + "dyn.definePrototypeProps": { argTypes: [DYN, DYN, DYN], result: DYN }, + "dyn.bagGet": { argTypes: [DYN, STRING, DYN], result: DYN }, + /** A class field's creation in its instance's property bag: adds the + * string key as a default data property when absent, answering false + * (nothing changed) when the bag needs the general defineProperty path. */ + "dyn.bagCreateField": { argTypes: [DYN, STRING], result: BOOL }, + "dyn.bagSet": { argTypes: [DYN, STRING, DYN, DYN], result: VOID }, + "dyn.objCreate": { argTypes: [DYN], result: DYN }, + // Names a compiled class's prototype object (args[0]) after the class + // (args[1]) for util.inspect. + "dyn.nameClassPrototype": { argTypes: [DYN, STRING], result: VOID }, + "dyn.objCreateWithProperties": { argTypes: [DYN, DYN], result: DYN }, + "dyn.getPrototype": { argTypes: [DYN], result: DYN }, + // dyn.getPrototype for walks that compare each prototype with a program + // class's prototype: native builtin values end the walk (null). + "dyn.getPrototypeForIdentity": { argTypes: [DYN], result: DYN }, + "dyn.setPrototype": { argTypes: [DYN, DYN], result: DYN }, + "dyn.getOwnPropertyNames": { argTypes: [DYN], result: DYN }, + "dyn.ownKeys": { argTypes: [DYN], result: DYN }, + "dyn.getOwnPropertySymbols": { argTypes: [DYN], result: DYN }, + "dyn.getOwnPropertyDescriptors": { argTypes: [DYN], result: DYN }, + "dyn.preventExtensions": { argTypes: [DYN], result: DYN }, + "dyn.isExtensible": { argTypes: [DYN], result: BOOL }, + "dyn.seal": { argTypes: [DYN], result: DYN }, + "dyn.isSealed": { argTypes: [DYN], result: BOOL }, + "dyn.objValues": { argTypes: [DYN], result: DYN }, + /** Object.values as a native vector of checked values, for results the + * program consumes directly (for-of, index reads, read-only methods). */ + "dyn.objValueList": { argTypes: [DYN], result: arrayOf(DYN) }, + "dyn.objEntries": { argTypes: [DYN], result: DYN }, + /** structuredClone over the checked-dynamic tree (scr_json.c): the JSON-safe subset plus + * bytes (a fresh copy — a Buffer clones as a plain Uint8Array, like + * Node), deep. Functions and handle kinds throw the spec's catchable + * DataCloneError; CYCLES throw the scriptc fence (the checked-dynamic tree cannot + * represent them — Node clones cycles; documented divergence). The + * options dyn value validates with Node's exact errors (dictionary + * conversion, the transfer-sequence member; any non-empty transfer + * list throws DataCloneError). dyn.cloneMissing is the zero-argument + * call: always throws Node's TypeError [ERR_MISSING_ARGS] with Node's + * own (verbatim, doubly-wrapped) message. */ + "dyn.structuredClone": { argTypes: [DYN, DYN], result: DYN }, + /** The declaration-typed boundary's adoption (decl-projection.ts): + * `source` is the dynamic value a boundary cast just converted, and + * `capsule` a live capsule of the native value built from it. Every + * object or array of `source` that something else still references + * becomes, in place, a live capsule of the native value built from it. + * Throws the path TypeError, changing nothing, when a converted object + * is not plain data (a prototype, accessors, symbols, frozen state). */ + "dyn.declAdopt": { argTypes: [DYN, DYN], result: VOID }, + "dyn.cloneMissing": { argTypes: [], result: DYN }, + /** structuredClone with a NON-EMPTY transfer array of static values: + * nothing static is transferable, so the call always throws Node's + * catchable DataCloneError ("Found invalid value in transferList.") — + * lowered directly (the list's values need no dyn representation to + * fail). */ + "dyn.cloneTransferFail": { argTypes: [], result: DYN }, + /** The same refusal given the transfer list's first member, an + * ArrayBuffer: a Buffer pool slab gets Node's untransferable message. */ + "dyn.cloneTransferFailWith": { argTypes: [DYN], result: DYN }, + /** `new RegExp(pattern, flags?)` (scr_regex.c): a heap regex over the + * same libregexp engine the literals use. The pattern compiles EAGERLY + * so an invalid pattern (or an unknown flag letter) throws Node's + * catchable SyntaxError at construction — Node's message shape with + * libregexp's detail text (approximate fidelity; e.name exact). An + * empty pattern stores the spec's "(?:)" source. Both args borrowed + * strings (the lowering completes an absent flags to ""); result +1. + * The result TYPE is the regex kind, so the link switch pulls the + * engine exactly like a literal. */ + "regex.new": { argTypes: [STRING, STRING], result: REGEX }, + "regex.resetLastIndex": { argTypes: [REGEX, F64], result: VOID }, + "regex.newChecked": { argTypes: [DYN, DYN], result: REGEX }, + "regex.replaceCallback": { argTypes: [STRING, REGEX, DYN, BOOL], result: STRING }, + // Reads of capture args[1] of an execSpans/matchGroups result: + // `capture === args[2]`, Number(capture) and parseInt(capture, + // args[2]). Borrowed; never throw. + "regex.groupEquals": { argTypes: [arrayOf(STRING), F64, STRING], result: BOOL }, + "regex.groupNumber": { argTypes: [arrayOf(STRING), F64], result: F64 }, + "regex.groupParseInt": { argTypes: [arrayOf(STRING), F64, F64], result: F64 }, + // `.index` / `.input` (args[1]) of a match result. Borrowed; never throws. + "regex.resultProp": { argTypes: [arrayOf(STRING), STRING], result: DYN }, + // The string keys `for...in` visits on an array (args[0], any element + // type) after its indices. Borrowed; never throws. + "array.namedKeys": { argTypes: [null], result: arrayOf(STRING) }, + // Whether the array (args[0]) still has the key (args[1]) from its + // namedKeys list. Borrowed; never throws. + "array.hasNamedKey": { argTypes: [null, STRING], result: BOOL }, + // Whether an array (args[0], any element type) has properties besides its + // elements: noncanonical numeric keys, match metadata or named + // properties. Borrowed; never throws. + "array.hasProperties": { argTypes: [null], result: BOOL }, + // The key of an element access whose index is undefined (the property + // named "undefined"; frontend/lowering/undefined-index.ts). + "array.undefinedKey": { argTypes: [], result: F64 }, + // node:events EventEmitter: receivers are emitter-hierarchy objects and + // the chaining forms (on/off/removeAll/setMax) return the receiver's + // own class — program-dependent object types, checked in the libCall + // case. emitter.emit is the one VARIADIC libCall: args beyond + // (recv, name) are the event's frontend-unified tuple, any borrowable + // kind — the count check admits a longer list for it alone. + /** node:events EventEmitter (scr_events_emitter.c, link-gated by + * moduleUsesEmitter). The receiver of every instance form is a borrowed + * emitter-hierarchy object (`%EventEmitter` or a user subclass — the + * backend reinterprets to ScrEmitter*, the identical prefix); event + * names are borrowed strings (compile-time literals — the frontend + * fences non-literals and unifies each event's argument tuple program- + * wide). The chaining forms (on/off/removeAll/setMax) return the + * receiver +1 typed as its static class, Node's `return this`. + * + * emitter.new: `new EventEmitter()` → a +1 bare emitter. emitter.ctor: + * super() into the prefix of an emitted subclass (borrowed receiver, + * void — allocation already initialized the prefix). emitter.on: + * (recv, name, cb /moves/, once, prepend) — the backend synthesizes the + * per-signature va_list invoke adapter from the cb's func type. + * emitter.emit: (recv, name, ...tuple) — VARIADIC, the one libCall + * whose arg count exceeds its signature; args are borrowed, result is + * the had-listeners bool. emitter.emitError: emit('error', err) — + * throws err when unhandled. count/countFn/names/listeners/getMax/ + * setMax/setDefaultMax/getDefaultMax are the introspection surface. */ + "emitter.new": { argTypes: [], result: VOID }, + /** `x.constructor.name` of an emitter or stream (a borrowed object of + * EventEmitter's hierarchy): the +1 class name the instance records. */ + "emitter.className": { argTypes: [null], result: STRING }, + "emitter.ctor": { argTypes: [null], result: VOID }, + "emitter.on": { argTypes: [null, STRING, null, BOOL, BOOL], result: VOID }, + "emitter.off": { argTypes: [null, STRING, null], result: VOID }, + // The dyn-adapted registration family (JS-lane checked-dynamic + // listeners): checkListener has NO receiver (it validates the listener + // argument alone); onDyn carries (recv, name, cb dyn, adapter func, + // once, prepend), offDyn (recv, name, cb dyn). + "emitter.checkListener": { argTypes: [DYN], result: VOID }, + "emitter.onDyn": { argTypes: [null, STRING, DYN, null, BOOL, BOOL], result: VOID }, + "emitter.onFlex": { argTypes: [null, STRING, DYN, BOOL, BOOL], result: VOID }, + /** on/once/prepend* and emit through an untyped value (the class + * dispatch of compiled emitters): onFlex/emitFlex plus runtime typed + * adapters under 'error' and the meta events, and Node's unhandled-'error' + * contract. emitAny is VARIADIC like emitFlex. */ + "emitter.onAny": { argTypes: [null, STRING, DYN, BOOL, BOOL], result: VOID }, + "emitter.offDyn": { argTypes: [null, STRING, DYN], result: VOID }, + "emitter.removeAll": { argTypes: [null, STRING, BOOL], result: VOID }, + "emitter.emit": { argTypes: [null, STRING], result: BOOL }, + "emitter.emitFlex": { argTypes: [null, STRING], result: BOOL }, + "emitter.emitAny": { argTypes: [null, STRING], result: BOOL }, + /** An untyped emit of an event with a fixed tuple: (recv, name, k, then + * k checked-dynamic arguments as given, then the event's converted + * tuple) — VARIADIC like emitter.emit. hasTyped answers whether a + * listener of the name needs the converted tuple. */ + "emitter.emitMixed": { argTypes: [null, STRING, F64], result: BOOL }, + "emitter.hasTyped": { argTypes: [null, STRING], result: BOOL }, + "emitter.emitError": { argTypes: [null, STRING, null], result: BOOL }, + "emitter.count": { argTypes: [null, STRING], result: F64 }, + "emitter.countFn": { argTypes: [null, STRING, null], result: F64 }, + "emitter.countDyn": { argTypes: [null, STRING, DYN], result: F64 }, + "emitter.names": { argTypes: [null], result: VOID }, + "emitter.listeners": { argTypes: [null, STRING], result: VOID }, + /** listeners()/rawListeners() through an untyped value: a checked- + * dynamic array (throws when a listener has typed parameters). */ + "emitter.listenersDyn": { argTypes: [null, STRING], result: DYN }, + /** Stream-'data' registration twins of emitter.on/onDyn (same args): + * chosen at registration sites whose receiver is stream-rooted, so the + * backend emits DATA thunks — the runtime's 'data' emission carries + * BOTH payload slots (bytes, string; exactly one non-NULL — encoded + * streams deliver strings), and the thunk unwraps the listener's + * declared side (typed) or boxes by tag (dyn). emitter.emitData is the + * user-emit form: (recv, name, chunk) with a bytes OR string chunk. */ + "emitter.onData": { argTypes: [null, STRING, null, BOOL, BOOL], result: VOID }, + "emitter.onDataDyn": { argTypes: [null, STRING, DYN, null, BOOL, BOOL], result: VOID }, + "emitter.emitData": { argTypes: [null, STRING, null], result: BOOL }, + "emitter.setMax": { argTypes: [null, F64], result: VOID }, + "emitter.getMax": { argTypes: [null], result: F64 }, + "emitter.setDefaultMax": { argTypes: [F64], result: VOID }, + "emitter.getDefaultMax": { argTypes: [], result: F64 }, + // The ES module namespace's copy of defaultMaxListeners, and + // module.syncBuiltinESMExports() refreshing it. + "emitter.esmDefaultMax": { argTypes: [], result: F64 }, + "emitter.esmSync": { argTypes: [], result: VOID }, + /** The events.errorMonitor event key: an immortal string the runtime + * registry matches by identity, so no string event name reaches it. */ + "emitter.errorMonitor": { argTypes: [], result: STRING }, + // node:stream: receivers are stream-hierarchy objects and several + // results are program-dependent (the receiver's class, unions) — the + // libCall case owns those checks. The constructors and a few methods + // are VARIADIC (trailing option callbacks / the optional chunk+cb tail): + // argTypes here is the fixed prefix, VARIADIC_LIB_FNS admits the rest. + /** node:stream (scr_stream.c, link-gated by moduleUsesStream — which + * implies the emitter unit: stream events dispatch through the embedded + * ScrEmitter registry). Receivers are borrowed stream-class objects + * (`%Readable`/`%Writable`/`%Duplex`/`%Transform`/`%PassThrough` — one + * runtime layout, reinterpreted by side). + * + * Constructors (`readable.new` et al): args are [hwmR, hwmW, flags] + * followed by the PRESENT user callbacks in canonical order (read, + * write, final, destroy, transform, flush — the flags f64 is a bitmask + * naming which follow; absent ones emit NULL). Every callback closure + * MOVES and carries a leading `this` param (the stream), invoked + * through compiler-emitted adapters. Results are +1. + * + * readable.push / readable.pushStr / readable.pushNull: Node's push — + * buffers or delivers (bytes chunk borrowed; string converted utf8); + * returns the below-hwm answer. readable.read: (recv, size — -1 for + * absent) → Buffer|null union. pause/resume return recv +1 (`this`); + * isPaused answers the flag. readable.pipe: (recv, dst, end) → dst +1, + * fires 'pipe' on dst; readable.pipeGeneral: the same, with `end` off + * when dst is the converted process.stdout / process.stderr; + * readable.unpipe (recv[, dst]) → recv +1. + * writable.write/writeStr: (recv, chunk[, cb]) → below-hwm bool (cb + * MOVES when present, called after the user write completes). + * writable.writeEnc: (recv, flags, chunk[, encoding][, cb]) — flags 1 + * an encoding argument, 2 a callback (the encoding is then null, as + * Node's write shifts it). + * writable.end: (recv, flags[, chunk][, encoding][, cb]) → recv +1; + * flags 16: an encoding argument follows the dyn chunk. cork/uncork are + * void. stream.destroy/destroyErr: (recv[, err]) → recv +1. + * stream.prop: (recv, name-literal) → the flag/number the name asks + * for; stream.errored → Error|null union; readable.flowing → + * bool|null union. All may leave a listener's exception pending + * (dispatch runs user code synchronously, like emit). */ + "readable.new": { argTypes: [F64, BOOL, BOOL, F64], result: VOID }, + "writable.new": { argTypes: [F64, BOOL, BOOL, F64], result: VOID }, + "duplex.new": { argTypes: [F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, + "transform.new": { argTypes: [F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, + "passthrough.new": { argTypes: [F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, + // The subclass-initialization twins: the borrowed receiver leads, then + // the .new tail (variadic callbacks likewise). + // The dyn-options twins: newDyn takes the record, initDyn the borrowed + // receiver + record + fallback flags (trailing wrapper closures ride + // the variadic tail like the static forms). + /** The underscore-method assignment surface (`r._read = fn` after + * construction — Node's own-property shadow of the prototype method): + * args [stream receiver (borrowed), callback closure (+1 moves)]. The + * runtime slot the matching option callback fills swaps its closure + * and invoke thunk; the next dispatch uses it (Node's timing). The + * setters themselves never throw. */ + "stream.setRead": { argTypes: [null, null], result: VOID }, + "stream.setWrite": { argTypes: [null, null], result: VOID }, + "stream.setFinal": { argTypes: [null, null], result: VOID }, + "stream.setDestroy": { argTypes: [null, null], result: VOID }, + "stream.setTransform": { argTypes: [null, null], result: VOID }, + "stream.setFlush": { argTypes: [null, null], result: VOID }, + "stream.setConstruct": { argTypes: [null, null], result: VOID }, + "stream.replaceConstruct": { argTypes: [null, null], result: VOID }, + "stream.setWritev": { argTypes: [null, null], result: VOID }, + "stream.setWritevDefault": { argTypes: [null, null], result: VOID }, + /** The dyn-options twins (a checked-dynamic options record — the JS + * lane's `super(options)` forwarding and `new Readable(dynVar)`): the + * option walk runs at RUNTIME with Node's reading rules. newDyn: + * (optsDyn) → the fresh stream; initDyn: (recv, optsDyn, flags, + * ...fallback wrapper closures in canonical order — the flags literal + * names which ride, exactly the .init callback ABI). MAY THROW (a + * consumed-but-unlowered option is the compile fence's runtime twin). */ + /** stream.finished(s, cb) — the callback form: the watcher fires once + * at the terminal point with the finish status; the result is the +1 + * cleanup closure. stream.pipeline(count, s1..sn, cb): chains pipes, + * propagates the first error by destroying the rest, calls cb after the + * last 'close'; answers the destination +1. The Dyn twins take the + * callback as a checked-dynamic VALUE (mustCall wrappers). */ + /** stream.addAbortSignal: [stream, signal] — the constructors' signal + * option, chained over the fresh stream (falsy signals are ignored); + * stream.addAbortSignalFn: [signal, stream] — addAbortSignal(signal, + * stream). Both answer the stream (+1) and throw ERR_INVALID_ARG_TYPE + * for a value that is not an AbortSignal; they link the event-target + * unit (addAbortListener). */ + "stream.addAbortSignal": { argTypes: [null, DYN], result: VOID }, + "stream.addAbortSignalFn": { argTypes: [DYN, null], result: VOID }, + "stream.finished": { argTypes: [null, null], result: VOID }, + "stream.finishedDyn": { argTypes: [null, DYN], result: VOID }, + "stream.pipeline": { argTypes: [F64], result: VOID }, + "stream.pipelineDyn": { argTypes: [F64], result: VOID }, + "stream.pipelineStages": { argTypes: [F64, F64, F64, F64, F64], result: VOID }, + "stream.composeStages": { argTypes: [F64, F64, F64, F64, F64], result: VOID }, + "stream.pipelineStagesDyn": { argTypes: [F64, F64, F64, F64, F64], result: VOID }, + /** stream.compose(count, s1..sn): the Duplex over a pipeline of the + * streams (+1). MAY THROW (ERR_INVALID_ARG_VALUE for a stream that is + * no longer readable or writable). */ + "stream.compose": { argTypes: [F64], result: VOID }, + /** node:stream/promises — the promise forms over the same machinery: + * sp.finished: (s) → a pending void promise the terminal watcher + * settles; sp.pipeline: (count, s1..sn) → the callback pipeline's + * chaining/destroyer semantics settling a void promise (fulfilled on a + * clean finish, rejected with the finish status otherwise). */ + "sp.finished": { argTypes: [null], result: { kind: "promise", inner: VOID } }, + /** The options forms: finished(s, { readable, writable, error, cleanup, + * signal }) as [s, readable, writable, error, cleanup, signal?] — + * readable/writable -1 (absent), 0 or 1 — and pipeline(...streams, + * { signal, end }) as [count, s1..sn, end, signal?]. The Signal forms + * link the event-target unit (addAbortListener). The callback form + * stream.finishedOpts: [s, readable, writable, error, signal?, cb] → + * the cleanup closure. */ + "sp.finishedOpts": { + argTypes: [null, F64, F64, BOOL, BOOL], + result: { kind: "promise", inner: VOID }, + }, + "sp.finishedOptsSignal": { + argTypes: [null, F64, F64, BOOL, BOOL, DYN], + result: { kind: "promise", inner: VOID }, + }, + "sp.pipelineOpts": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, + "sp.pipelineOptsSignal": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, + "stream.finishedOpts": { argTypes: [null, F64, F64, BOOL, null], result: VOID }, + "stream.finishedOptsSignal": { argTypes: [null, F64, F64, BOOL, DYN, null], result: VOID }, + "sp.pipeline": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, + /** pipeline with function stages: [n, k, positions, flags, mask, + * s1..sn, stage1..stagek, helpers..., box?, (signal, abort)?] (+ the + * callback for the stream.* forms): the user's stage functions at the + * positions the bitmask names, the frontend's (next, read, return) + * helpers for each pumped generator (pipelinePumpedRuns) and a promise + * destination's box, and the pipeline's AbortSignal with its abort + * closure; flags bits 1-2 give the destination kind and bit 5 the + * signal group (scr_stream_pipeline_stages). A promise destination's + * promise type is sp.pipelineStages' result. */ + "sp.pipelineStages": { + argTypes: [F64, F64, F64, F64, F64], + result: { kind: "promise", inner: VOID }, + }, + /** sp.pipelineStages with the options argument: the same head, then + * end (a bool) and, with flags bit 6, the options' signal (dyn). */ + "sp.pipelineStagesOpts": { + argTypes: [F64, F64, F64, F64, F64], + result: { kind: "promise", inner: VOID }, + }, + /** node:stream/consumers — the promise consumers over the readable + * machinery: (s) → a pending promise settled at the terminal point + * with the accumulated result (sc.text: the utf8 decode, sc.json: the + * parsed dyn — malformed input rejects with the parse's SyntaxError, + * sc.buffer: the concatenated bytes, sc.arrayBuffer: an ArrayBuffer + * dyn over them) or rejected with the stream's + * error / ERR_STREAM_PREMATURE_CLOSE. */ + "sc.text": { argTypes: [null], result: { kind: "promise", inner: STRING } }, + "sc.json": { argTypes: [null], result: { kind: "promise", inner: DYN } }, + "sc.buffer": { argTypes: [null], result: { kind: "promise", inner: BYTES_U8 } }, + "sc.arrayBuffer": { argTypes: [null], result: { kind: "promise", inner: DYN } }, + "readable.newDyn": { argTypes: [DYN], result: VOID }, + "writable.newDyn": { argTypes: [DYN], result: VOID }, + "duplex.newDyn": { argTypes: [DYN], result: VOID }, + "transform.newDyn": { argTypes: [DYN], result: VOID }, + "passthrough.newDyn": { argTypes: [DYN], result: VOID }, + "readable.initDyn": { argTypes: [null, DYN, F64], result: VOID }, + "writable.initDyn": { argTypes: [null, DYN, F64], result: VOID }, + "duplex.initDyn": { argTypes: [null, DYN, F64], result: VOID }, + "transform.initDyn": { argTypes: [null, DYN, F64], result: VOID }, + "passthrough.initDyn": { argTypes: [null, DYN, F64], result: VOID }, + /** Subclass initialization (`super(options?)` in a user `extends + * Readable` constructor): same tail as the `.new` forms, prefixed with + * the BORROWED receiver (the emitted subclass allocation — vtable and + * display name stamped, state NULL until here). Overridden underscore + * methods arrive as synthesized wrapper closures dispatching through + * the vtable. Void result. */ + "readable.init": { argTypes: [null, F64, BOOL, BOOL, F64], result: VOID }, + "writable.init": { argTypes: [null, F64, BOOL, BOOL, F64], result: VOID }, + "duplex.init": { argTypes: [null, F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], result: VOID }, + "transform.init": { + argTypes: [null, F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], + result: VOID, + }, + "passthrough.init": { + argTypes: [null, F64, F64, BOOL, BOOL, BOOL, BOOL, BOOL, F64], + result: VOID, + }, + "readable.push": { argTypes: [null, BYTES_U8], result: BOOL }, + "readable.pushStr": { argTypes: [null, STRING], result: BOOL }, + "readable.pushNull": { argTypes: [null], result: BOOL }, + "readable.pushU": { argTypes: [null, null], result: BOOL }, + "readable.pushDyn": { argTypes: [null, DYN], result: BOOL }, + "readable.unshift": { argTypes: [null, BYTES_U8], result: VOID }, + "readable.unshiftDyn": { argTypes: [null, DYN], result: VOID }, + "readable.unshiftStr": { argTypes: [null, STRING], result: VOID }, + "stream.onDyn": { argTypes: [null, STRING, DYN, BOOL, BOOL], result: VOID }, + "readable.readDyn": { argTypes: [null, DYN], result: DYN }, + "readable.read": { argTypes: [null, F64], result: VOID }, + "readable.pause": { argTypes: [null], result: VOID }, + "readable.setEncoding": { argTypes: [null, STRING], result: VOID }, + /** push(chunk, enc) with a literal non-utf8 encoding, and the + * defaultEncoding option's push side (how push(string) decodes — + * Buffer.from(chunk, enc)); both carry the CANONICAL literal. */ + "readable.pushStrEnc": { argTypes: [null, STRING, STRING], result: BOOL }, + "readable.pushEncoding": { argTypes: [null, STRING], result: VOID }, + /** The objectMode option's sides (readable, writable), applied right + * after construction; answers the receiver (+1, the chaining shape). */ + "stream.objectMode": { argTypes: [null, BOOL, BOOL], result: VOID }, + "stream.decodeStrings": { argTypes: [null, BOOL], result: VOID }, + /** Runtime decodeStrings and defaultEncoding option values, applied + * after construction (answers the receiver +1); the encoding was + * validated by stream.checkEncodingOption before construction. */ + "stream.optionValues": { argTypes: [null, DYN, DYN], result: VOID }, + "stream.checkEncodingOption": { argTypes: [DYN], result: VOID }, + "stream.duplexFromGen": { argTypes: [null, null, null, null, null, null], result: VOID }, + "stream.duplexFromDyn": { argTypes: [DYN], result: VOID }, + /** Duplex.from over a lone Readable or Writable, or a { readable, + * writable } pair of streams (duplexify.js's _duplexify). */ + "stream.duplexifyReadable": { argTypes: [null], result: VOID }, + "stream.duplexifyWritable": { argTypes: [null], result: VOID }, + "stream.duplexifyPair": { argTypes: [null, null], result: VOID }, + /** Duplex.from(promise): the promise and its box helper. */ + "stream.duplexFromPromise": { argTypes: [null, null], result: VOID }, + /** Duplex.from(asyncFunction): the stage, its source helper and the + * promise's box helper. */ + "stream.duplexFromAsyncFn": { argTypes: [null, null, null], result: VOID }, + /** The same for a body that declares the options argument: then the + * AbortController's abort() and its signal. */ + "stream.duplexFromGenSignal": { + argTypes: [null, null, null, null, null, null, null, DYN], + result: VOID, + }, + "stream.duplexFromAsyncFnSignal": { argTypes: [null, null, null, null, DYN], result: VOID }, + "writable.writeEncoding": { argTypes: [null, STRING], result: VOID }, + "writable.setDefaultEncoding": { argTypes: [null, DYN], result: VOID }, + /** Whether a readable.nextChunkDyn step answered the end (the done + * marker; an object-mode stream can yield undefined). */ + "stream.chunkDone": { argTypes: [DYN], result: BOOL }, + /** for-await over a readable (the desugared loop's per-pass promise): + * +1 promise of the next chunk — buffered content, the EOF sentinel + * (empty Buffer / dyn undefined), or a rejection with the stream's + * error. The Dyn twin boxes chunks by runtime tag (the JS lane). + * readable.fromArr is Readable.from over a typed array, string or + * Buffer: [array, SCR_FROM_* flags, highWaterMark]. readable.fromDyn is + * Readable.from over a checked-dynamic source: [source, options]. + * readable.fromIter is Readable.from over a class iterator, already + * opened: [checked-dynamic { next } object, flags, highWaterMark]; + * readable.fromAsyncIter is the async class iterator's twin. */ + "readable.nextChunk": { argTypes: [null], result: VOID }, + "readable.nextChunkDyn": { argTypes: [null], result: VOID }, + "readable.fromArr": { argTypes: [null, F64, F64], result: VOID }, + "readable.fromDyn": { argTypes: [DYN, DYN], result: VOID }, + "readable.fromIter": { argTypes: [DYN, F64, F64], result: VOID }, + "readable.fromAsyncIter": { argTypes: [DYN, F64, F64], result: VOID }, + /** Readable.from over a compiled generator: [generator, next, return, + * throw, flags, highWaterMark] (sync) or [generator, next, read, + * return, throw, flags, highWaterMark] (async), the helpers being the + * frontend's interned closures. readable.fromDone is the done marker + * the helpers answer. */ + "readable.fromGen": { argTypes: [null, null, null, null, F64, F64], result: VOID }, + "readable.fromAsyncGen": { argTypes: [null, null, null, null, null, F64, F64], result: VOID }, + "readable.fromDone": { argTypes: [], result: DYN }, + /** The Readable operators (scr_stream_ops.c): [stream, ...] with every + * other argument a checked-dynamic value (the callback, the count, the + * options). map/filter/flatMap/drop/take answer the object-mode output + * stream (validated as a stream class; THROW Node's validation errors); + * toArray settles a dyn array, find a dyn value, some/every a boolean, + * forEach nothing; reduce: [stream, fn, init, hasInit, options, kind] + * with the payload kind (0 dyn, 1 number, 2 boolean, 3 string). The + * promise-returning ones reject instead of throwing. */ + "readable.opMap": { argTypes: [null, DYN, DYN, DYN], result: VOID }, + "readable.opFilter": { argTypes: [null, DYN, DYN, DYN], result: VOID }, + "readable.opFlatMap": { argTypes: [null, DYN, DYN, DYN], result: VOID }, + /** flatMap whose callback returns a compiled generator: the helpers + * over its type follow (async: next, read, return, throw; sync: next, + * return, throw). */ + "readable.opFlatMapAsyncGen": { + argTypes: [null, DYN, DYN, DYN, null, null, null, null], + result: VOID, + }, + "readable.opFlatMapSyncGen": { + argTypes: [null, DYN, DYN, DYN, null, null, null], + result: VOID, + }, + "readable.opDrop": { argTypes: [null, DYN, DYN], result: VOID }, + "readable.opTake": { argTypes: [null, DYN, DYN], result: VOID }, + "readable.opToArray": { argTypes: [null, DYN], result: { kind: "promise", inner: DYN } }, + "readable.opForEach": { + argTypes: [null, DYN, DYN, DYN], + result: { kind: "promise", inner: VOID }, + }, + "readable.opSome": { + argTypes: [null, DYN, DYN, DYN], + result: { kind: "promise", inner: BOOL }, + }, + "readable.opEvery": { + argTypes: [null, DYN, DYN, DYN], + result: { kind: "promise", inner: BOOL }, + }, + "readable.opFind": { argTypes: [null, DYN, DYN, DYN], result: { kind: "promise", inner: DYN } }, + /** The map family's last argument is the callback's { signal } (or + * undefined). reduceSignal adds ac.abort() (a closure) and + * { signal: ac.signal } for a reducer that reads them. */ + "readable.opReduce": { argTypes: [null, DYN, DYN, BOOL, DYN, F64], result: VOID }, + "readable.opReduceSignal": { + argTypes: [null, DYN, DYN, BOOL, DYN, F64, null, DYN], + result: VOID, + }, + "readable.opSignalList": { argTypes: [DYN], result: DYN }, + "readable.opSignalOpts": { argTypes: [DYN], result: DYN }, + "readable.opSignalOf": { argTypes: [DYN], result: DYN }, + "readable.opOnceOptions": { argTypes: [], result: DYN }, + "readable.resume": { argTypes: [null], result: VOID }, + "readable.isPaused": { argTypes: [null], result: BOOL }, + "readable.pipe": { argTypes: [null, null, BOOL], result: VOID }, + "readable.pipeGeneral": { argTypes: [null, null, BOOL], result: VOID }, + "readable.unpipe": { argTypes: [null], result: VOID }, + "readable.flowing": { argTypes: [null], result: VOID }, + "writable.write": { argTypes: [null, BYTES_U8], result: BOOL }, + "writable.writeStr": { argTypes: [null, STRING], result: BOOL }, + "writable.writeU": { argTypes: [null, null], result: BOOL }, + "writable.writeDyn": { argTypes: [null, DYN], result: BOOL }, + "writable.writeEnc": { argTypes: [null, F64, DYN], result: BOOL }, + "writable.end": { argTypes: [null, F64], result: VOID }, + "writable.cork": { argTypes: [null], result: VOID }, + "writable.uncork": { argTypes: [null], result: VOID }, + "stream.destroy": { argTypes: [null], result: VOID }, + "stream.destroyErr": { argTypes: [null, null], result: VOID }, + /** AsyncIteratorClose for Readable[Symbol.asyncIterator](): destroy with + * Node's AbortError/ABORT_ERR payload while the iterator's internal error + * consumer prevents an unhandled-error crash. */ + "stream.iteratorClose": { argTypes: [null], result: VOID }, + "stream.prop": { argTypes: [null, STRING], result: VOID }, + "stream.errored": { argTypes: [null], result: VOID }, + // node:assert: pass/negated/deep/hasMsg are frontend-computed bools; the + // message slot always carries a string ("" when hasMsg is false). + /** node:assert (scr_assert.c; assert.match in scr_regex.c — every call + * site carries a regex value, so the regex link switch is already on). + * Failures throw a catchable AssertionError — a runtime %Error whose + * name is "AssertionError" and whose code slot is "ERR_ASSERTION" — so + * `instanceof Error`, `.name`, `.message`, and `.code` all answer like + * Node's. Generated messages are Node's assertion_error.js scalar forms + * byte-exactly (the short `a !== b` form, the stacked `+ actual + * - expected` diff with the string `^` indicator, the inline-vs-block + * not-equal split); composite deep failures carry the header line + * without the rendered inspect diff (documented divergence). + * + * assert.ok: (pass, message) — the frontend computed the truthiness AND + * the full message (the user's, or the compile-time source-text form — + * assert.fail lowers here too with pass=false). assert.eqF64/eqBigInt/ + * eqStr/eqBool: (a, b, negated, deep, msg, hasMsg) — Object.is comparison, + * covering strictEqual/notStrictEqual and the scalar deepStrictEqual + * pair; msg is a typed dummy ("" literal) when hasMsg is false (Node + * distinguishes an omitted message from an empty one per operator). + * assert.deepResult: (equal, negated, msg, hasMsg) — the verdict of a + * frontend-synthesized structural comparison, turned into Node's throw. + * assert.sameValue: Object.is over doubles (the deep-equal helpers' + * number leaf; never throws). assert.match: (s, regex, negated, msg, + * hasMsg) — a fresh exec from index 0. assert.throwsNone: (rejection, + * ename, hasEname, msg, hasMsg) — the "Missing expected + * exception|rejection" throw of assert.throws/rejects whose callback + * returned (fulfilled) normally, with Node's ` (${expected.name})` + * detail when the expected class or shape carries a name. + * assert.throwsMismatch: (expectedName, error) — the wrong-class throw + * of the assert.throws(fn, ErrorClass) form. assert.eqSym: + * (a, b, negated, deep, msg, hasMsg) — strict equality over symbol + * values, pointer identity with v24's "Symbol(desc)" stacked-diff + * messages (scr_symbol.c, the assert.match pattern — symbol-typed + * slots already flip the symbol link switch). assert.eqDyn: + * (a, b, negated, deep, msg, hasMsg) — the whole quartet over + * checked-dynamic operands (both slots dyn; the frontend boxes a + * static side with dynFrom first): SameValue for the strict pair over + * the dyn kinds (boxed-closure identity for functions), the structural + * dyn walk for the deep pair, with assertion_error.js's messages — + * scalar forms byte-exact, composites rendered compact:false/sorted + * through the checked-dynamic tree and diffed with the real myers line printer. + * + * The assert.throws(fn, {name/code/message}) shape check + * (expectedException over the static error surface): shapeBegin + * stashes the caught error, shapeStr/shapeRe add one expected key each + * (key ids 0 code / 1 message / 2 name; shapeRe lives in scr_regex.c — + * its regex argument flips the regex link switch — and tests eagerly + * so scr_assert.c stays libregexp-free), then shapeEnd throws Node's + * deep-equal Comparison diff BYTE-EXACTLY (the bounded key set makes + * the rendering enumerable) or the custom message. + * assert.throwsRegex: (regex, error, msg, hasMsg) — the + * assert.throws(fn, /re/) check over String(error), Node's + * regex-mismatch message. assert.regexErrTest: doesNotReject's + * regex predicate over String(error) (never throws). + * assert.unwantedRejection: (error, msg, hasMsg) — doesNotReject's + * "Got unwanted rejection" throw. + * assert.ifErrorErr/F64/Str/Bool: assert.ifError's per-type throws + * ("ifError got unwanted exception: " + the error's message/name or + * the value's inspection) — the frontend routes null/undefined to a + * no-op and everything else here (Node throws for falsy values too). + * All arguments are borrowed. */ + "assert.ok": { argTypes: [BOOL, STRING, BOOL], result: VOID }, + /** The next AssertionError's actual, expected and operator, recorded on + * a failure branch. */ + "assert.record": { argTypes: [DYN, DYN, STRING], result: VOID }, + "assert.errorNew": { + argTypes: [DYN], + result: { kind: "object", className: "%AssertionError" }, + }, + "assert.eqF64": { argTypes: [F64, F64, BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.eqBigInt": { argTypes: [BIGINT_T, BIGINT_T, BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.eqStr": { argTypes: [STRING, STRING, BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.eqBool": { argTypes: [BOOL, BOOL, BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.deepResult": { argTypes: [BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.looseDeepResult": { argTypes: [BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.looseDeepDyn": { argTypes: [DYN, DYN, BOOL, STRING, BOOL], result: VOID }, + "assert.partialDeepDyn": { argTypes: [DYN, DYN, STRING, BOOL], result: VOID }, + "assert.partialDeepResult": { argTypes: [BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.partialEqDyn": { argTypes: [DYN, DYN], result: BOOL }, + "assert.looseF64Eq": { argTypes: [F64, F64], result: BOOL }, + "assert.sameValue": { argTypes: [F64, F64], result: BOOL }, + // The deep-equality pair memo: both slots are program-dependent + // (any cycle-capable record/array/map type). + /* deepStrictEqual's pair memo over cycle-capable types: enter answers + * true for a pair already being compared (Node's memo — equal cyclic + * structures compare true); leave pops. */ + "assert.deqEnter": { argTypes: [null, null], result: BOOL }, + "assert.deqLeave": { argTypes: [], result: VOID }, + "assert.match": { argTypes: [STRING, REGEX, BOOL, STRING, BOOL], result: VOID }, + "assert.throwsNone": { argTypes: [BOOL, STRING, BOOL, STRING, BOOL], result: VOID }, + "assert.throwsMismatch": { + argTypes: [STRING, { kind: "object", className: "%Error" }, STRING, BOOL, BOOL], + result: VOID, + }, + "assert.throwsRegex": { + argTypes: [REGEX, { kind: "object", className: "%Error" }, STRING, BOOL, BOOL], + result: VOID, + }, + // Symbol strict equality (pointer identity; scr_symbol.c). + "assert.eqSym": { + argTypes: [{ kind: "symbol" }, { kind: "symbol" }, BOOL, BOOL, STRING, BOOL], + result: VOID, + }, + // The equality quartet over checked-dynamic operands (the frontend + // boxes a static side into the checked-dynamic tree first). + "assert.eqDyn": { argTypes: [DYN, DYN, BOOL, BOOL, STRING, BOOL], result: VOID }, + /** A message argument that is not a string, registered for the next + * failing assertion (scr_assert_message_value). */ + "assert.messageValue": { argTypes: [DYN, BOOL], result: VOID }, + /** An assert method as a function value, by canonical name. */ + "assert.methodValue": { argTypes: [STRING], result: DYN }, + "assert.messageClear": { argTypes: [], result: VOID }, + "assert.looseResult": { argTypes: [BOOL, BOOL, STRING, STRING, STRING, BOOL], result: VOID }, + // The throws(fn, {shape}) accumulator: begin/slot calls never throw; + // shapeEnd throws the Comparison diff. The error slot is the + // %Error-narrowed caught value. + "assert.shapeBegin": { argTypes: [{ kind: "object", className: "%Error" }], result: VOID }, + "assert.shapeStr": { argTypes: [F64, STRING], result: VOID }, + "assert.shapeRe": { argTypes: [F64, REGEX], result: VOID }, + "assert.shapeEnd": { argTypes: [STRING, BOOL, BOOL], result: VOID }, + "assert.regexErrTest": { + argTypes: [REGEX, { kind: "object", className: "%Error" }], + result: BOOL, + }, + "assert.unwantedRejection": { + argTypes: [{ kind: "object", className: "%Error" }, STRING, BOOL], + result: VOID, + }, + "assert.unwantedError": { argTypes: [STRING, BOOL, STRING, BOOL], result: VOID }, + "assert.noErrorPredicate": { argTypes: [DYN, DYN], result: BOOL }, + "assert.regexDynTest": { argTypes: [REGEX, DYN], result: BOOL }, + /** Node's expectsError over an error-INSTANCE expected (assert.throws/ + * rejects second argument): walk the expected dyn error's keys (name, + * message, code — the %error marker skipped) and deep-compare each + * against the caught value's; a mismatch throws the deep-equal + * AssertionError (scr_assert.c). MAY THROW by design. */ + "assert.expectsErrDyn": { argTypes: [DYN, DYN, STRING, BOOL], result: VOID }, + /** A validation function against the caught value (Node's expectedException). */ + "assert.throwsValidate": { argTypes: [DYN, DYN, STRING, STRING, BOOL], result: VOID }, + // assert.ifError's typed entries (always throw; unit args never + // lower). The error slot is program-dependent — any %Error-hierarchy + // class, root or subclass (the insp.error precedent, null slot). + "assert.ifErrorErr": { argTypes: [null], result: VOID }, + "assert.ifErrorF64": { argTypes: [F64], result: VOID }, + "assert.ifErrorStr": { argTypes: [STRING], result: VOID }, + "assert.ifErrorBool": { argTypes: [BOOL], result: VOID }, + "assert.ifErrorDyn": { argTypes: [DYN], result: VOID }, + // Bytes equality: the two value slots are any bytes kind (the frontend + // gates both sides to ONE static bytes type; the libCall case checks + // the kind and the pair below). + "assert.refEqBytes": { argTypes: [null, null, BOOL, BOOL, STRING, BOOL], result: VOID }, + "assert.refEqFn": { argTypes: [null, null, BOOL, STRING, BOOL], result: VOID }, + "assert.bytesDeepEq": { argTypes: [null, null, BOOL], result: BOOL }, + "assert.looseBytesEq": { argTypes: [null, null], result: BOOL }, + // util.inspect: the error receiver is program-dependent (a builtin or + // user error class — the error.toString precedent, null slot). - "insp.f64": { argTypes: [F64], result: STRING }, - /** util.format %j over a checked-dynamic argument: the runtime dyn - * walk (JS-exact stringify; root undefined/function prints - * "undefined"; a handle in the tree throws the "not supported yet" - * Error). */ - "insp.jsonDyn": { argTypes: [DYN], result: STRING }, - "insp.str": { argTypes: [STRING], result: STRING }, - "insp.regex": { argTypes: [REGEX], result: STRING }, - /** A Date's inspect text: toISOString(), or "Invalid Date". */ - "insp.date": { argTypes: [DATE_T], result: STRING }, - "insp.buffer": { argTypes: [BYTES_U8], result: STRING }, - /** A numeric typed array that is not a Buffer (any element kind). */ - "insp.typedArray": { argTypes: [null, F64, F64], result: STRING }, - /** A u8 byte view in a union arm, element or field: a DataView, Buffer - * or Uint8Array by its own flags. */ - "insp.bytes": { argTypes: [null, F64, F64], result: STRING }, - "insp.error": { argTypes: [null, F64, F64], result: STRING }, - "insp.errorHasCause": { argTypes: [null], result: BOOL }, - "insp.errorBagHasProperties": { argTypes: [DYN], result: BOOL }, - "insp.errorCause": { argTypes: [null, F64, F64], result: STRING }, - "insp.dyn": { argTypes: [DYN, F64, F64], result: STRING }, - "insp.dynS": { argTypes: [DYN, F64], result: STRING }, - /** util.format over a dyn array of its arguments, and - * util.formatWithOptions(options, pack): the runtime formatter for format - * strings known at run time and spread arguments. */ - "insp.format": { argTypes: [DYN], result: STRING }, - /** insp.format over arguments that are all strings, numbers, booleans, - * null or undefined, without the checked-dynamic walk. */ - "insp.formatPrimitives": { argTypes: [arrayOf(DYN)], result: STRING }, - "insp.formatList": { argTypes: [arrayOf(DYN)], result: STRING }, - "insp.formatWithOptions": { argTypes: [DYN, DYN], result: STRING }, - /** util.inspect(value, options, depth, colors) with the call's argument - * count: the runtime reads the options and renders the checked-dynamic - * view. */ - "insp.inspect": { argTypes: [DYN, DYN, DYN, DYN, F64], result: STRING }, - /** A [util.inspect.custom] method's call: whether ctx.customInspect is - * set, its depth argument (the remaining depth at recursion r of depth - * d), its options object and util.inspect, then its result rendered: a - * string re-indented at the current level, or a checked-dynamic value - * (customIsSelf tests for the instance itself). customInspect sets the - * flag for the renders that follow and answers the previous value, and - * depthKind does the same for how an unbounded depth was given (0 - * Infinity, 1 null, 2 undefined). */ - "insp.customEnabled": { argTypes: [], result: BOOL }, - /** Registers a class's compiled custom inspect function under its - * instances' typed-ref type key, for the checked-dynamic walk. */ - "insp.registerCustom": { argTypes: [STRING, DYN], result: VOID }, - "insp.customInspect": { argTypes: [BOOL], result: BOOL }, - "insp.depthKind": { argTypes: [F64], result: F64 }, - "insp.customDepth": { argTypes: [F64, F64], result: DYN }, - "insp.customOptions": { argTypes: [F64], result: DYN }, - "insp.inspectFunction": { argTypes: [], result: DYN }, - "insp.customText": { argTypes: [STRING], result: STRING }, - "insp.customIsSelf": { argTypes: [DYN, DYN], result: BOOL }, - "insp.customResult": { argTypes: [DYN, F64, F64], result: STRING }, - /** Around the method's call: the inspect and format calls it makes run - * in a fresh inspect context with the default options. begin answers the - * token end takes; end also discards what a call that threw left. */ - "insp.customCallBegin": { argTypes: [], result: F64 }, - "insp.customCallEnd": { argTypes: [F64], result: VOID }, - /** Whether a runtime format string has a '%' before its last character. */ - "insp.formatSpecifies": { argTypes: [STRING], result: BOOL }, - "insp.formatSpecifiesDyn": { argTypes: [DYN], result: BOOL }, - "insp.dynFormatS": { argTypes: [DYN, F64], result: STRING }, - /** util.format's %o over a checked-dynamic value: inspect with - * showHidden. Kinds whose hidden entries have no rendering throw the - * 'not supported yet' Error. */ - "insp.dynHidden": { argTypes: [DYN, F64], result: STRING }, - "insp.begin": { argTypes: [F64], result: VOID }, - /** util.inspect's breakLength, compact (-1 for false) and sorted for the - * renders that follow; the call site restores 80, 3 and false afterwards. */ - "insp.layout": { argTypes: [F64, F64, BOOL], result: VOID }, - "insp.entry": { argTypes: [STRING, BOOL], result: VOID }, - // Circular references: the receiver slot is program-dependent (any - // cycle-capable record/array/map/class type — the insp.error precedent). - /* Circular references over cycle-capable composites (recursive record/ - * class types): circCheck answers a value's circular id when it is - * already on the traversal stack (0 otherwise), seenPush/refWrap - * bracket the frame (insp.end adds Node's " " prefix to values - * the walk found circular), circular renders "[Circular *N]". */ - "insp.circCheck": { argTypes: [null], result: F64 }, - "insp.seenPush": { argTypes: [null], result: VOID }, - "insp.refWrap": { argTypes: [null, STRING], result: STRING }, - "insp.circular": { argTypes: [F64], result: STRING }, - /* Whether a closed declared-field record kept the undeclared properties - * of its checked source (scr_record_source_note): reflective surfaces - * (inspect, Object.keys/values/entries) then answer through its live - * checked view. The receiver is any such record type. Never throws. */ - "record.sourceHas": { argTypes: [null], result: BOOL }, - /** `record.sourceSpread(built, value)`: the record a literal starting - * with `...value` just built keeps the order of value's kept source - * (key-order-witness.ts ordered spreads). Both are record types. Never - * throws. */ - "record.sourceSpread": { argTypes: [null, null], result: VOID }, - "insp.key": { argTypes: [STRING], result: STRING }, - "insp.moreItems": { argTypes: [F64], result: STRING }, - "insp.end": { argTypes: [STRING, STRING, STRING, F64, BOOL, BOOL], result: STRING }, - /** A nested inspect inside a custom rendering (PerformanceEntry's - * `${name} ${inspect(toJSON)}`): nestedBegin starts a fresh inspect - * context, nestedEnd(prefix, inner) restores the caller's and answers - * `prefix inner` re-indented at the caller's level (+1). */ - "insp.nestedBegin": { argTypes: [], result: VOID }, - "insp.nestedEnd": { argTypes: [STRING, STRING], result: STRING }, - /** Around a top-level render that an inspection refusal can end: mark - * records the inspector's frame and nesting depth, unwind (in the - * render's finally) closes what the render left open above it. */ - "insp.mark": { argTypes: [], result: VOID }, - "insp.unwind": { argTypes: [], result: VOID }, - /** node:string_decoder's utf8 StringDecoder (scr_string.c): the decoder - * value is a one-field record whose f64 PACKS the pending partial - * sequence (count + up to 3 raw bytes — Node buffers at most 3 for - * every encoding); the frontend's interned %strdec helpers thread it, - * with the decoder's CANONICAL encoding name first, through these pure - * functions. write: (enc, pending, chunk) → the decoded complete - * prefix of pending+chunk (+1); next: (enc, pending, chunk) → the - * packed NEW pending; end: (enc, pending) → the buffered partial's - * flush (+1). Node-exact per encoding (oracle-pinned); none throws. */ - "strdec.write": { argTypes: [STRING, F64, BYTES_U8], result: STRING }, - "strdec.next": { argTypes: [STRING, F64, BYTES_U8], result: F64 }, - "strdec.end": { argTypes: [STRING, F64], result: STRING }, - /** A runtime encoding argument's canonical name (Node's normalizeEncoding: - * nullish and "" are utf8); an unknown name throws ERR_UNKNOWN_ENCODING. */ - "strdec.encoding": { argTypes: [DYN], result: STRING }, - // node:readline: the interface handle is f64; the callbacks' func types - // are program-dependent (the emitter picks the adapter by parameter - // count), so those slots are null like child.onExit's. - /** node:readline and node:readline/promises (scr_readline.c, linked - * under the events gate — these fns imply moduleUsesProcessEvents; a - * stream input or output adds scr_stream.c's bridge). The interface - * value is an f64 handle (the Timeout-id precedent); an open interface - * on stdin keeps the loop alive until close/EOF. - * rl.create: [mode, input?, output?, crlfDelay, prompt?] → f64, mode - * bits 1 stream input, 2 stream output, 4 stdout output, 16 prompt - * (lowerReadlineCreateCall); rl.createSignal: the same plus the - * trailing AbortSignal (mode bit 8), which links the event-target unit - * for addAbortListener. rl.question: [handle, query, cb] — the callback - * form; THROWS ERR_USE_AFTER_CLOSE on a closed interface (may-throw). - * rl.questionAsync(Signal): [handle, query, signal?] → promise, - * rejecting instead of throwing. rl.close/pause/resume/prompt: - * [handle] (pause/resume/prompt throw ERR_USE_AFTER_CLOSE when - * closed); rl.setPrompt/getPrompt; rl.write: [handle, data] (throws - * when closed). rl.on: [handle, event, cb, once] — the event number - * (0 'line', 1 'close', 2 'pause', 3 'resume', 4 'error') and the - * listener (moves). rl.iterOpen/iterNext/iterReturn: the async - * iterator — iterNext answers promise of the line or undefined. */ - "rl.create": { argTypes: [F64], result: F64 }, - "rl.createSignal": { argTypes: [F64], result: F64 }, - "rl.question": { argTypes: [F64, STRING, null], result: VOID }, - "rl.questionAsync": { argTypes: [F64, STRING], result: { kind: "promise", inner: STRING } }, - "rl.questionAsyncSignal": { - argTypes: [F64, STRING, DYN], - result: { kind: "promise", inner: STRING }, - }, - /** The question forms with a checked-dynamic query (a JavaScript value - * that need not be a string). */ - "rl.questionDyn": { argTypes: [F64, DYN, null], result: VOID }, - "rl.questionAsyncDyn": { argTypes: [F64, DYN], result: { kind: "promise", inner: STRING } }, - "rl.questionAsyncSignalDyn": { - argTypes: [F64, DYN, DYN], - result: { kind: "promise", inner: STRING }, - }, - "rl.close": { argTypes: [F64], result: VOID }, - "rl.pause": { argTypes: [F64], result: VOID }, - "rl.resume": { argTypes: [F64], result: VOID }, - "rl.prompt": { argTypes: [F64], result: VOID }, - /** prompt(preserveCursor): [handle, preserveCursor] */ - "rl.promptWith": { argTypes: [F64, BOOL], result: VOID }, - "rl.setPrompt": { argTypes: [F64, STRING], result: VOID }, - "rl.setPromptDyn": { argTypes: [F64, DYN], result: VOID }, - "rl.getPrompt": { argTypes: [F64], result: STRING }, - "rl.write": { argTypes: [F64, STRING], result: VOID }, - /** write(data, key): [handle, hasData, data, hasKey, hasName, name, - * ctrl, meta, shift] */ - "rl.writeKey": { - argTypes: [F64, BOOL, STRING, BOOL, BOOL, STRING, BOOL, BOOL, BOOL], - result: VOID, - }, - "rl.on": { argTypes: [F64, F64, null, BOOL], result: VOID }, - "rl.iterOpen": { argTypes: [F64], result: VOID }, - "rl.iterNext": { argTypes: [F64], result: { kind: "promise", inner: DYN } }, - "rl.iterReturn": { argTypes: [F64], result: VOID }, - /** createInterface's history and editing options (scr_rl_check_options: - * [flags, tabSize, escapeCodeTimeout, historySize], may throw; - * rl.setOptions: [handle, flags, historySize, removeHistoryDuplicates, - * tabSize, escapeCodeTimeout]; rl.setHistory: [handle, history]) and - * the member reads (rl.history answers the array, rl.numProp the - * numeric member by number). */ - "rl.checkOptions": { argTypes: [F64, F64, F64, F64], result: VOID }, - "rl.checkCompleter": { argTypes: [DYN], result: VOID }, - "rl.setOptions": { argTypes: [F64, F64, F64, BOOL, F64, F64], result: VOID }, - "rl.setHistory": { argTypes: [F64, arrayOf(STRING)], result: VOID }, - "rl.history": { argTypes: [F64], result: arrayOf(STRING) }, - "rl.numProp": { argTypes: [F64, F64], result: F64 }, - /** Terminal mode (scr_readline_tty.c): rl.terminal: [handle, mode (0 - * the option's value, 2 output.isTTY of process.stdout), terminal, - * completer (undefined when absent), readline/promises], emitted with - * scr_insp_dyn when there is a completer; the line, terminal and cursor - * members. */ - "rl.terminal": { argTypes: [F64, F64, BOOL, DYN, BOOL], result: VOID }, - "rl.line": { argTypes: [F64], result: STRING }, - "rl.isTerminal": { argTypes: [F64], result: BOOL }, - "rl.isPromises": { argTypes: [F64], result: BOOL }, - /** createInterface's input or output as a checked-dynamic value: - * [value, output] — the stream; refused when it is not one. */ - "rl.inputFromDyn": { argTypes: [DYN, BOOL], result: { kind: "object", className: "%Readable" } }, - "rl.outputFromDyn": { - argTypes: [DYN, BOOL], - result: { kind: "object", className: "%Writable" }, - }, - "rl.cursor": { argTypes: [F64], result: F64 }, - /** readline.cursorTo / moveCursor / clearLine / clearScreenDown: rl.seq - * [kind (0-3), the first and second numbers, whether the second is - * given] answers the data to write after the argument checks (may - * throw); rl.moves [dx, dy] says whether moveCursor writes. */ - "rl.seq": { argTypes: [F64, F64, F64, BOOL], result: STRING }, - "rl.moves": { argTypes: [F64, F64], result: BOOL }, - /** getCursorPos() (scr_readline_tty.c, linked through the regex unit - * like rl.terminal): [handle, 0 rows | 1 cols] */ - "rl.cursorPos": { argTypes: [F64, F64], result: F64 }, - /** readline.emitKeypressEvents (scr_readline_tty.c): rl.keypressStdin - * [interface (0: none), escapeCodeTimeout (NaN: the interface's or - * 500)], rl.keypressStream [stream, interface, timeout]. */ - "rl.keypressStdin": { argTypes: [F64, F64], result: VOID }, - "rl.keypressStream": { argTypes: [null, F64, F64], result: VOID }, - /** readline/promises Readline over an f64 handle: rl.uiOpen [fd (1 - * stdout, 2 stderr), autoCommit], rl.uiOpenStream [stream, autoCommit] - * (isWritable, may throw); the actions take [handle, ...numbers] (the - * checks may throw; cursorTo: [handle, x, whether y is given, y]); - * rl.uiCommit answers a promise. */ - "rl.uiOpen": { argTypes: [F64, BOOL], result: F64 }, - "rl.uiOpenStream": { argTypes: [null, BOOL], result: F64 }, - "rl.uiCursorTo": { argTypes: [F64, F64, BOOL, F64], result: VOID }, - "rl.uiMoveCursor": { argTypes: [F64, F64, F64], result: VOID }, - "rl.uiClearLine": { argTypes: [F64, F64], result: VOID }, - "rl.uiClearScreenDown": { argTypes: [F64], result: VOID }, - "rl.uiRollback": { argTypes: [F64], result: VOID }, - "rl.uiCommit": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, - /** node:timers/promises — the promisified pair (scr_async.c, beside - * the timer heap they ride): tp.setTimeout: [ms] → a pending void - * promise a one-shot heap timer fulfills (the loop's timer phase, FIFO - * against equal deadlines like Node); tp.setImmediate: [] → the same - * through the immediate queue (fires before due timers of later loop - * turns, Node's check phase). Neither throws. */ - "tp.setTimeout": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, - // scheduler.wait(delay): tp.setTimeout's promise. It throws Node's - // ERR_INVALID_THIS once mock.timers has restored the real scheduler.wait. - "tp.schedulerWait": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, - "tp.setImmediate": { argTypes: [], result: { kind: "promise", inner: VOID } }, - /** events.once (scr_events_emitter.c): [emitter, name, boxer, - * errorBoxer, listenForError] → a pending promise of any[]; the boxers - * turn the event's and the 'error' tuple into that array. */ - "events.once": { argTypes: [null, STRING, null, null, BOOL], result: VOID }, - /** events.once(emitter, name, { signal }) (scr_events_once_signal.c): - * events.once's arguments plus the checked-dynamic signal (an - * AbortSignal or undefined). */ - "events.onceSignal": { argTypes: [null, STRING, null, null, BOOL, DYN], result: VOID }, - /** The resolve-value forms: [ms?, value, ref] → a pending promise of the - * value's type that copies the borrowed already-resolved `value` promise - * when the timer (or immediate) fires; ref false unrefs it. The result - * type follows the value promise. */ - "tp.setTimeoutValue": { argTypes: [F64, null, BOOL], result: VOID }, - "tp.setImmediateValue": { argTypes: [null, BOOL], result: VOID }, - /** The same with options.signal (a checked-dynamic AbortSignal or - * undefined) last: an abort clears the timer and rejects with an - * AbortError (scr_event_target.c). */ - "tp.setTimeoutSignal": { argTypes: [F64, null, BOOL, DYN], result: VOID }, - "tp.setImmediateSignal": { argTypes: [null, BOOL, DYN], result: VOID }, - /** scheduler.wait(delay, options): tp.setTimeoutValue's and - * tp.setTimeoutSignal's shapes, with tp.schedulerWait's throws. */ - "tp.schedulerWaitValue": { argTypes: [F64, null, BOOL], result: VOID }, - "tp.schedulerWaitSignal": { argTypes: [F64, null, BOOL, DYN], result: VOID }, - /** node:diagnostics_channel (scr_dc.c, linked when any dc.* appears — - * the zlib gating precedent): a process-global name→channel registry; - * channel values are f64 handles (type-mapper.ts maps Channel to F64, the - * readline.Interface pattern). Subscribers are dyn function values — - * identity-compared by unsubscribe, called (message, name) by publish - * over a SNAPSHOT of the list (a subscriber unsubscribing itself - * mid-publish still lets its siblings fire, Node's behavior). dc.publish - * MAY THROW: a subscriber's throw propagates out of publish (catchable - * there) where Node routes it to triggerUncaughtException — the - * documented divergence. subscribe/unsubscribe throw Node's - * ERR_INVALID_ARG_TYPE TypeError for non-function subscribers. */ - "dc.channel": { argTypes: [STRING], result: F64 }, - "dc.subscribe": { argTypes: [STRING, DYN], result: VOID }, - "dc.unsubscribe": { argTypes: [STRING, DYN], result: BOOL }, - "dc.hasSubscribers": { argTypes: [STRING], result: BOOL }, - "dc.publish": { argTypes: [F64, DYN], result: VOID }, - "dc.chanSubscribe": { argTypes: [F64, DYN], result: VOID }, - "dc.chanUnsubscribe": { argTypes: [F64, DYN], result: BOOL }, - "dc.chanHasSubscribers": { argTypes: [F64], result: BOOL }, - "dc.chanName": { argTypes: [F64], result: STRING }, - /** TracingChannel (dc.tracingChannel): a registry entry of the five - * event channels, an f64 handle like Channel (type-mapper.ts). tcSubscribe/ - * tcUnsubscribe walk a dyn handlers object's five event keys (truthy - * non-function slots throw the per-channel ERR_INVALID_ARG_TYPE); - * tcTraceSync/tcTraceCallback/tcTracePromise run Node's publish choreography in C over - * dyn values (fn, ctx, thisArg, args-array) with thisArg bound as the - * ambient receiver — the traced call's throw and any subscriber throw - * both propagate (MAY THROW). tcTraceCallback wraps args[position] in a - * native error/result + asyncStart/asyncEnd publisher and throws Node's - * TypeError when that slot is not callable. tracingChannelOf is the - * five-Channel collection form of the constructor. */ - /** setImmediate as a first-class dyn value (scr_async.c): a minted dyn - * callable scheduling args[0](args[1..]) on the immediate queue — the - * Node-suite traceCallback shape (`traceCallback(setImmediate, ...)`). - * Calling it validates the callback (the dyn call machinery); minting - * never throws. */ - "timers.setImmediateFnValue": { argTypes: [], result: DYN }, - /** `new Promise(setImmediate)` (the Node-suite early-exit shape): a - * fresh promise an immediate fulfills with the undefined dyn value — - * the executor IS setImmediate, so resolve rides the immediate queue - * (scr_async.c). Never throws. */ - "timers.immediatePromise": { argTypes: [], result: { kind: "promise", inner: DYN } }, - "dc.tracingChannel": { argTypes: [STRING], result: F64 }, - "dc.tracingChannelOf": { argTypes: [F64, F64, F64, F64, F64], result: F64 }, - "dc.tcChannel": { argTypes: [F64, F64], result: F64 }, - "dc.tcHasSubscribers": { argTypes: [F64], result: BOOL }, - "dc.tcSubscribe": { argTypes: [F64, DYN], result: VOID }, - "dc.tcUnsubscribe": { argTypes: [F64, DYN], result: BOOL }, - "dc.tcTraceSync": { argTypes: [F64, DYN, DYN, DYN, DYN], result: DYN }, - "dc.tcTraceCallback": { argTypes: [F64, DYN, F64, DYN, DYN, DYN], result: DYN }, - /** tracePromise (scr_dc.c): start publish, the traced call, a wrap of - * non-promise results, the end publish, and a REACTION FIBER that - * awaits the traced promise and publishes asyncStart/asyncEnd (error - * first on rejection) before settling the returned promise with - * the passed-through outcome. MAY THROW (the traced call and the - * synchronous publishes). */ - "dc.tcTracePromise": { - argTypes: [F64, DYN, DYN, DYN, DYN], - result: { kind: "promise", inner: DYN }, - }, - /** process.on/once('unhandledRejection', fn): registers a dyn listener - * the checkpoint report dispatches per never-observed rejection — - * (reason, promise) — instead of printing and exiting 1 (scr_async.c). - * The bool second arg is `once` (auto-removed after one delivery, - * Node's once); off/removeListener remove by closure identity, the - * offWarning stance. Throws Node's ERR_INVALID_ARG_TYPE on a - * non-function. */ - /** Uncaught exception handlers and monitors: [callback dyn, once, monitor]. */ - "process.onUncaughtException": { argTypes: [DYN, BOOL, BOOL], result: VOID }, - "process.offUncaughtException": { argTypes: [DYN, BOOL], result: VOID }, - "process.onUnhandledRejection": { argTypes: [DYN, BOOL], result: VOID }, - "process.offUnhandledRejection": { argTypes: [DYN], result: VOID }, - /** process.on/once/off('rejectionHandled', fn): the sibling registry. - * A handler attached after unhandledRejection delivery fires the event - * once. Dispatch is synchronous at the attach, with the promise, - * Node's payload. */ - "process.onRejectionHandled": { argTypes: [DYN, BOOL], result: VOID }, - "process.offRejectionHandled": { argTypes: [DYN], result: VOID }, - /** process warnings (scr_async_dyn.c): onWarning/offWarning register - * dyn listeners; emitWarning applies Node's full argument grammar over - * the call's dyn argument vector (ERR_INVALID_ARG_TYPE TypeErrors — MAY - * THROW) and emits on the next tick, like Node: Node's stderr report, - * then the listeners. */ - "process.onWarning": { argTypes: [DYN], result: VOID }, - "process.offWarning": { argTypes: [DYN], result: VOID }, - "process.emitWarning": { argTypes: [DYN], result: VOID }, - /** A Warning-typed process warning with this message (the console - * members' warnings), emitted on the next tick as Node's emitWarning - * does (so the loop runs); an empty message emits nothing. */ - "process.emitWarningText": { argTypes: [STRING], result: VOID }, - /** process.noDeprecation (0) / process.throwDeprecation (1): the stored - * value (undefined until assigned) and its assignment. util.deprecate's - * warnings and DeprecationWarning emissions read their truthiness. */ - "process.deprecationFlag": { argTypes: [F64], result: DYN }, - "process.setDeprecationFlag": { argTypes: [F64, DYN], result: VOID }, - "process.setEmitWarning": { argTypes: [DYN], result: VOID }, - /** AsyncLocalStorage (node:async_hooks — scr_async.c): stores are f64 - * handles; contexts are immutable fiber-carried snapshots (spawned - * fibers inherit the spawner's — Node's init-time capture). run/exit - * enter (or clear) the store, call the dyn function with forwarded - * arguments, and restore (the finally); getStore answers the current - * dyn value or undefined; enterWith installs with no restore point. - * run/exit MAY THROW (the callback's own throws propagate). */ - /** `await v` over a checked-dynamic VALUE (scr_async.c): a dyn promise - * adopts (rejections re-throw — MAY THROW), anything else takes JS's - * one-microtask non-thenable await and answers itself. Only emitted - * inside async bodies (the frontend's isAsync gate). */ - "async.awaitDyn": { argTypes: [DYN], result: DYN }, - /** The bare one-microtask hop (scr_await_hop): `await v` over a typed - * NON-promise value — JS awaits non-thenables through exactly one - * microtask turn and yields the value itself. Never throws. */ - "async.hop": { argTypes: [], result: VOID }, - "als.new": { argTypes: [], result: F64 }, - "als.get": { argTypes: [F64], result: DYN }, - "als.run": { argTypes: [F64, DYN, DYN, DYN], result: DYN }, - "als.exitRun": { argTypes: [F64, DYN, DYN], result: DYN }, - "als.enterWith": { argTypes: [F64, DYN], result: VOID }, - "als.disable": { argTypes: [F64], result: VOID }, - /** new AsyncLocalStorage(options) (Node's object check throws; MAY - * THROW) and the store's name option (dyn; "" without one). */ - "als.newOptions": { argTypes: [DYN], result: F64 }, - "als.name": { argTypes: [F64], result: DYN }, - /** A function bound to the active context: the completion callbacks of - * callback-style APIs (always false: an empty context leaves the - * callback unbound) and AsyncLocalStorage.bind (always true). The typed - * form answers its closure argument's type; the dyn form throws Node's - * ERR_INVALID_ARG_TYPE for a non-function when always (MAY THROW). */ - "als.bindCallback": { argTypes: [null, BOOL], result: VOID }, - "als.bindCallbackDyn": { argTypes: [DYN, BOOL], result: DYN }, - /** AsyncLocalStorage.snapshot(): a dyn function (cb, ...args) that runs - * cb in the context active at the snapshot. */ - "als.snapshot": { argTypes: [], result: DYN }, - /** Channel.bindStore/unbindStore/runStores (scr_dc.c): the - * AsyncLocalStorage integration — set-semantics bindings per store, - * runStores entering every bound store with transform(data) around the - * publish and the callback (MAY THROW: transforms, subscribers, and - * the callback all run). */ - "dc.chanBindStore": { argTypes: [F64, F64, DYN], result: VOID }, - "dc.chanUnbindStore": { argTypes: [F64, F64], result: BOOL }, - "dc.chanRunStores": { argTypes: [F64, DYN, DYN, DYN, DYN], result: DYN }, - /** The Number statics with a static C implementation (scr_lib.c): one - * f64 arg → bool, JS-exact BY CONSTRUCTION — Number.isFinite/isNaN/ - * isInteger/isSafeInteger never coerce, and the frontend routes only - * f64-typed arguments here (other static types fence). None throws. */ - "number.isFinite": { argTypes: [F64], result: BOOL }, - "number.isNaN": { argTypes: [F64], result: BOOL }, - "number.isInteger": { argTypes: [F64], result: BOOL }, - "number.isSafeInteger": { argTypes: [F64], result: BOOL }, - /** Date (scr_lib.c). Values are TimeClip'd epoch-millisecond scalars: - * construction/store/pass/getters are exact while identity and mutation - * remain fenced. date.now is Node's integer milliseconds since epoch; - * date.toISOString formats one raw f64 millisecond time value and - * date.toISOStringValue formats a stored Date, both with Node's rules (UTC, - * YYYY-MM-DDTHH:mm:ss.sssZ, expanded ±YYYYYY years outside 0–9999, - * ToInteger truncation of fractional ms) and THROWS Node's "Invalid - * time value" RangeError on NaN / out-of-range input (may-throw seed). - * Results: f64 / owned (+1) string. */ - "date.now": { argTypes: [], result: F64 }, - "date.newNow": { argTypes: [], result: DATE_T }, - "date.newMs": { argTypes: [F64], result: DATE_T }, - "date.newString": { argTypes: [STRING], result: DATE_T }, - /** Date.parse(dateString), with its own reach witness for exact fences. */ - "date.parse": { argTypes: [STRING], result: F64 }, - "date.getTime": { argTypes: [DATE_T], result: F64 }, - "date.valueOf": { argTypes: [DATE_T], result: F64 }, - "date.toISOString": { argTypes: [F64], result: STRING }, - "date.toISOStringValue": { argTypes: [DATE_T], result: STRING }, - /** Date.prototype.toUTCString over a stored Date ("Invalid Date" for - * NaN; never throws). */ - "date.toUTCString": { argTypes: [DATE_T], result: STRING }, - "date.getFullYear": { argTypes: [DATE_T], result: F64 }, - "date.getUTCFullYear": { argTypes: [DATE_T], result: F64 }, - "date.getMonth": { argTypes: [DATE_T], result: F64 }, - "date.getUTCMonth": { argTypes: [DATE_T], result: F64 }, - "date.getDate": { argTypes: [DATE_T], result: F64 }, - "date.getUTCDate": { argTypes: [DATE_T], result: F64 }, - "date.getDay": { argTypes: [DATE_T], result: F64 }, - "date.getUTCDay": { argTypes: [DATE_T], result: F64 }, - "date.getHours": { argTypes: [DATE_T], result: F64 }, - "date.getUTCHours": { argTypes: [DATE_T], result: F64 }, - "date.getMinutes": { argTypes: [DATE_T], result: F64 }, - "date.getUTCMinutes": { argTypes: [DATE_T], result: F64 }, - "date.getSeconds": { argTypes: [DATE_T], result: F64 }, - "date.getUTCSeconds": { argTypes: [DATE_T], result: F64 }, - "date.getMilliseconds": { argTypes: [DATE_T], result: F64 }, - "date.getUTCMilliseconds": { argTypes: [DATE_T], result: F64 }, - "date.getTimezoneOffset": { argTypes: [DATE_T], result: F64 }, - /** A Date object for a time value a local holds (date-values.ts): a - * lib-call argument passes the time value itself, and any other use - * creates the Date. */ - "date.fromTime": { argTypes: [F64], result: DATE_T }, - /** Date.prototype's field setters over a time value - * (scr_date_set_fields): time value, setter code, argument count and four - * arguments; answers the new time value. */ - "date.setFields": { argTypes: [F64, F64, F64, F64, F64, F64, F64], result: F64 }, - /** TimeClip of a number (setTime's argument). */ - "date.timeClip": { argTypes: [F64], result: F64 }, - /** Stores a time value into a Date object and answers it (a setter's - * write). */ - "date.store": { argTypes: [DATE_T, F64], result: F64 }, - /** Date.prototype.toString / toDateString / toTimeString and String(date): - * V8's local-time formats with the host zone's long name, "Invalid Date" - * for an invalid date. Owned (+1) string; never throws. */ - "date.toString": { argTypes: [DATE_T], result: STRING }, - "date.toDateString": { argTypes: [DATE_T], result: STRING }, - "date.toTimeString": { argTypes: [DATE_T], result: STRING }, - /** The composed `new Date(dateString).getTime()` read: one borrowed - * string, f64 milliseconds since epoch, with V8's date-string grammar - * (the ES5 format, then the legacy forms: RFC 1123/2822, Date#toString, - * "Jan 2, 2024", ...). Zone-less dates are local time; anything V8 - * rejects is NaN, Node's invalid-date getTime. Never throws. */ - "date.parseGetTime": { argTypes: [STRING], result: F64 }, - /** `Date.UTC(...)` — seven f64 arguments (the frontend completes the - * spec's defaults for omitted trailing parts: month 0, date 1, time - * parts 0), the spec's MakeDay/MakeTime/TimeClip exactly: 0–99 years - * map to 1900+year, out-of-range months/dates roll over, non-finite - * parts and out-of-range results answer NaN. Never throws. */ - "date.utc": { argTypes: [F64, F64, F64, F64, F64, F64, F64], result: F64 }, - /** `new Date(year, monthIndex[, date, hours, minutes, seconds, ms])` — - * the same seven-f64 completion as date.utc, but the fields are LOCAL - * time: V8's MakeDay/MakeTime, then UTC(t) in the host zone (DST gaps - * read with the offset before the transition, overlaps answer the - * earlier instant), then TimeClip. Never throws. */ - "date.newLocal": { argTypes: [F64, F64, F64, F64, F64, F64, F64], result: DATE_T }, - /** WHATWG TextDecoder.decode over u8 bytes (scr_bytes.c): utf-8 with - * default options — the same maximal-subpart replacement decode as - * Buffer.toString("utf8"), with the leading BOM stripped (the one - * behavioral difference; ignoreBOM defaults to false). Inline calls - * lower directly; stored decoder records dispatch by encoding id. - * TextEncoder.encode needs no libFn: its matching forms - * lower to buffer.fromStr(s, "utf8") (identical bytes — both write each - * lone surrogate as U+FFFD). Borrowed arg; owned (+1) string; never throws. */ - "text.decode": { argTypes: [BYTES_U8], result: STRING }, - "bytes.bufferSource": { argTypes: [DYN], result: BYTES_U8 }, - /** Whether an error-first callback's Buffer result is absent: the zlib - * and crypto callback adapters pass NULL after an error. Borrowed arg; - * never throws. */ - "bytes.isAbsent": { argTypes: [BYTES_U8], result: BOOL }, - /** Whether two typed arrays share no byte: their element ranges in - * memory do not overlap. Borrowed args of any element kind; never throws. */ - "bytes.disjoint": { argTypes: [null, null], result: BOOL }, - /** The absent Buffer result itself (NULL), where an error-path callback - * body passes its undefined result on into a Buffer slot. Owned (+1); - * never throws. */ - "bytes.absent": { argTypes: [], result: BYTES_U8 }, - /** node:crypto asymmetric keys and signatures (scr_pki.c): checked- - * dynamic arguments, borrowed; KeyObject, Sign and Verify handles, - * Buffers and booleans as checked-dynamic results (+1). Node's argument - * and decoder errors throw (may-throw); generateKeyPairCb's callback - * receives (null, publicKey, privateKey) in a later macrotask. */ - "crypto.createPrivateKey": { argTypes: [DYN], result: DYN }, - "crypto.createPublicKey": { argTypes: [DYN], result: DYN }, - "crypto.generateKeyPairSync": { argTypes: [DYN, DYN], result: DYN }, - "crypto.generateKeyPairCb": { argTypes: [DYN, DYN, DYN], result: VOID }, - "crypto.signOneshot": { argTypes: [DYN, DYN, DYN], result: DYN }, - "crypto.diffieHellman": { argTypes: [DYN, DYN], result: DYN }, - "crypto.verifyOneshot": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, - "crypto.createSign": { argTypes: [DYN], result: DYN }, - "crypto.createVerify": { argTypes: [DYN], result: DYN }, - /** The Buffer brand of a Uint8Array source onto a fresh Uint8Array - * result (map and filter of a Buffer return a Buffer). */ - "bytes.copyBrand": { argTypes: [BYTES_U8, BYTES_U8], result: VOID }, - "text.decodeBufferSource": { argTypes: [DYN], result: STRING }, - "text.decodeOptions": { argTypes: [BYTES_U8, BOOL, BOOL], result: STRING }, - "text.decodeStream": { argTypes: [DYN, BYTES_U8, F64, BOOL, BOOL, BOOL], result: STRING }, - "text.decodeLegacyOptions": { argTypes: [BYTES_U8, F64, BOOL, BOOL], result: STRING }, - /** TextDecoder.decode for a compile-time non-UTF-8 WHATWG label. The - * second f64 is the frontend-owned encoding id consumed by scr_bytes.c; - * label aliases/case/ASCII whitespace are canonicalized before IR. The - * mapping tables are generated from the pinned Node 24 oracle, keeping - * output portable without an ICU/iconv dependency. Borrowed args; owned - * (+1) string; never throws. */ - "text.decodeLegacy": { argTypes: [BYTES_U8, F64], result: STRING }, - "text.decoderEncoding": { argTypes: [DYN], result: F64 }, - "text.decoderName": { argTypes: [F64], result: STRING }, - "text.encodeInto": { argTypes: [DYN, DYN], result: DYN }, - /** `value instanceof TextDecoder` (true) or `TextEncoder` (false) on a - * checked-dynamic value: a codec record's handle box (scr_text_codec_dyn.c). - * Borrowed; never throws. */ - "text.codecIs": { argTypes: [DYN, BOOL], result: BOOL }, - "buffer.isAscii": { argTypes: [DYN], result: BOOL }, - "buffer.isUtf8": { argTypes: [DYN], result: BOOL }, - "buffer.transcode": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, - /** The fs option forms and friends (scr_lib.c), all throwing catchably - * like the rest of sync fs. mkdirRecursiveSync is Node's recursive - * algorithm (try mkdir, EEXIST-dir is fine, ENOENT creates the parent - * first — errors report Node's errno at Node's path, EEXIST at a file - * target, ENOTDIR at the full path past a file); the first-created-dir - * return value has no lowering (statement position only, frontend- - * fenced). rmOptsSync is rmSync with (recursive, force) bools: force - * swallows ENOENT, recursive removes trees post-order, a directory - * without recursive throws Node's ERR_FS_EISDIR SystemError. mkdtempSync appends the six X's and returns the - * created path (+1). accessSync takes the F_OK/R_OK/W_OK/X_OK bits as - * one f64 (the frontend bakes fs.constants.* as literals and completes - * an omitted mode to 0). readFdSync/readFdSyncBytes are the - * readFileSync(fd[, "utf8"]) forms — a read(2) loop to EOF on the fd - * (the stdin path); errors carry Node's no-path message shape. */ - "fs.mkdirRecursiveSync": { argTypes: [STRING], result: VOID }, - "fs.rmOptsSync": { argTypes: [STRING, BOOL, BOOL], result: VOID }, - /** rmOptsSync's maxRetries/retryDelay form (path, recursive, force, - * maxRetries, retryDelay): Node's linear-backoff retry on - * EBUSY/EMFILE/ENFILE/ENOTEMPTY/EPERM — the tmpdir-harness shape - * rmSync(p, { maxRetries: 3, recursive: true, force: true }). Throws - * ERR_OUT_OF_RANGE for a retryDelay outside int32 >= 0 or a maxRetries - * outside uint32, before checking the path. */ - "fs.rmRetrySync": { argTypes: [STRING, BOOL, BOOL, F64, F64], result: VOID }, - "fs.mkdtempSync": { argTypes: [STRING], result: STRING }, - "fs.accessSync": { argTypes: [STRING, F64], result: VOID }, - "fs.readFdSync": { argTypes: [F64, STRING], result: STRING }, - "fs.readFdSyncBytes": { argTypes: [F64], result: BYTES_U8 }, - /** Validated isatty(3) probe. Stream property lowering maps false to - * undefined; tty.isatty exposes the boolean result directly. */ - "process.isTTY": { argTypes: [F64], result: BOOL }, - // Like process.envGet: the result is the module's interned - // `number | undefined` union — checked by arms in the libCall case. - /** Terminal width over an fd literal (1/2 — process.stdout/stderr - * .columns): ioctl(TIOCGWINSZ). The result is the module's interned - * `number | undefined` union — a non-TTY stream (or an ioctl refusal) - * yields the undefined arm, exactly Node's missing `.columns`. Never - * throws. */ - "process.columns": { argTypes: [F64], result: VOID }, - /** Terminal height, with the same fd and optional-number contract. */ - "process.rows": { argTypes: [F64], result: VOID }, - /** process.stdin.destroy(): a deliberate no-op (no stream machinery - * exists to tear down; documented in SEMANTICS.md). */ - "process.stdinDestroy": { argTypes: [], result: VOID }, - /** process.stdin.setRawMode(mode) — one borrowed bool arg, void. On a - * TTY stdin: termios raw mode on/off (libuv's UV_TTY_MODE_RAW flag set, - * the mode Node's setRawMode(true) applies; false restores the entry - * state). On a NON-TTY stdin Node's process.stdin has no such method at - * all, so the call throws Node's exact catchable TypeError - * ("process.stdin.setRawMode is not a function") — the may-throw seed - * carries it. */ - "process.stdinSetRawMode": { argTypes: [BOOL], result: VOID }, - // Arg 0 is a packed f64[] OR a bytes value (the spread-typed-array - // form) — checked in the libCall case. - /** fromCharCode takes one packed f64[] or bytes arg and builds a string - * from UTF-16 code units. Adjacent surrogate pairs combine; lone - * surrogates follow the runtime's replacement policy. */ - "string.fromCharCode": { argTypes: [null], result: STRING }, - /** Numeric code points, with catchable RangeError for non-integers or - * values outside 0..0x10ffff. Uses the same UTF-8 surrogate policy. */ - "string.fromCodePoint": { argTypes: [null], result: STRING }, - /** lastIndexOf returns the last UTF-16 start index, or -1. The two-arg - * form searches at or before its numeric position; NaN starts at the end. - * String arguments are borrowed and neither form throws. */ - "string.lastIndexOf": { argTypes: [STRING, STRING], result: F64 }, - "string.lastIndexOfFrom": { argTypes: [STRING, STRING, F64], result: F64 }, - /** String.raw(template, ...subs): the raw literals array (a string[] - * read off the template record) interleaved with the PRE-STRINGIFIED - * substitutions (the frontend applies the static ToString and packs - * them into one string[] literal) — extra substitutions drop, missing - * ones skip, the spec's loop exactly (scr_array.c). Borrowed args; - * +1 string; never throws. */ - "string.raw": { argTypes: [arrayOf(STRING), arrayOf(STRING)], result: STRING }, -}); + "insp.f64": { argTypes: [F64], result: STRING }, + /** util.format %j over a checked-dynamic argument: the runtime dyn + * walk (JS-exact stringify; root undefined/function prints + * "undefined"; a handle in the tree throws the "not supported yet" + * Error). */ + "insp.jsonDyn": { argTypes: [DYN], result: STRING }, + "insp.str": { argTypes: [STRING], result: STRING }, + "insp.regex": { argTypes: [REGEX], result: STRING }, + /** A Date's inspect text: toISOString(), or "Invalid Date". */ + "insp.date": { argTypes: [DATE_T], result: STRING }, + "insp.buffer": { argTypes: [BYTES_U8], result: STRING }, + /** A numeric typed array that is not a Buffer (any element kind). */ + "insp.typedArray": { argTypes: [null, F64, F64], result: STRING }, + /** A u8 byte view in a union arm, element or field: a DataView, Buffer + * or Uint8Array by its own flags. */ + "insp.bytes": { argTypes: [null, F64, F64], result: STRING }, + "insp.error": { argTypes: [null, F64, F64], result: STRING }, + "insp.errorHasCause": { argTypes: [null], result: BOOL }, + "insp.errorBagHasProperties": { argTypes: [DYN], result: BOOL }, + "insp.errorCause": { argTypes: [null, F64, F64], result: STRING }, + "insp.dyn": { argTypes: [DYN, F64, F64], result: STRING }, + "insp.dynS": { argTypes: [DYN, F64], result: STRING }, + /** util.format over a dyn array of its arguments, and + * util.formatWithOptions(options, pack): the runtime formatter for format + * strings known at run time and spread arguments. */ + "insp.format": { argTypes: [DYN], result: STRING }, + /** insp.format over arguments that are all strings, numbers, booleans, + * null or undefined, without the checked-dynamic walk. */ + "insp.formatPrimitives": { argTypes: [arrayOf(DYN)], result: STRING }, + "insp.formatList": { argTypes: [arrayOf(DYN)], result: STRING }, + "insp.formatWithOptions": { argTypes: [DYN, DYN], result: STRING }, + /** util.inspect(value, options, depth, colors) with the call's argument + * count: the runtime reads the options and renders the checked-dynamic + * view. */ + "insp.inspect": { argTypes: [DYN, DYN, DYN, DYN, F64], result: STRING }, + /** A [util.inspect.custom] method's call: whether ctx.customInspect is + * set, its depth argument (the remaining depth at recursion r of depth + * d), its options object and util.inspect, then its result rendered: a + * string re-indented at the current level, or a checked-dynamic value + * (customIsSelf tests for the instance itself). customInspect sets the + * flag for the renders that follow and answers the previous value, and + * depthKind does the same for how an unbounded depth was given (0 + * Infinity, 1 null, 2 undefined). */ + "insp.customEnabled": { argTypes: [], result: BOOL }, + /** Registers a class's compiled custom inspect function under its + * instances' typed-ref type key, for the checked-dynamic walk. */ + "insp.registerCustom": { argTypes: [STRING, DYN], result: VOID }, + "insp.customInspect": { argTypes: [BOOL], result: BOOL }, + "insp.depthKind": { argTypes: [F64], result: F64 }, + "insp.customDepth": { argTypes: [F64, F64], result: DYN }, + "insp.customOptions": { argTypes: [F64], result: DYN }, + "insp.inspectFunction": { argTypes: [], result: DYN }, + "insp.customText": { argTypes: [STRING], result: STRING }, + "insp.customIsSelf": { argTypes: [DYN, DYN], result: BOOL }, + "insp.customResult": { argTypes: [DYN, F64, F64], result: STRING }, + /** Around the method's call: the inspect and format calls it makes run + * in a fresh inspect context with the default options. begin answers the + * token end takes; end also discards what a call that threw left. */ + "insp.customCallBegin": { argTypes: [], result: F64 }, + "insp.customCallEnd": { argTypes: [F64], result: VOID }, + /** Whether a runtime format string has a '%' before its last character. */ + "insp.formatSpecifies": { argTypes: [STRING], result: BOOL }, + "insp.formatSpecifiesDyn": { argTypes: [DYN], result: BOOL }, + "insp.dynFormatS": { argTypes: [DYN, F64], result: STRING }, + /** util.format's %o over a checked-dynamic value: inspect with + * showHidden. Kinds whose hidden entries have no rendering throw the + * 'not supported yet' Error. */ + "insp.dynHidden": { argTypes: [DYN, F64], result: STRING }, + "insp.begin": { argTypes: [F64], result: VOID }, + /** util.inspect's breakLength, compact (-1 for false) and sorted for the + * renders that follow; the call site restores 80, 3 and false afterwards. */ + "insp.layout": { argTypes: [F64, F64, BOOL], result: VOID }, + "insp.entry": { argTypes: [STRING, BOOL], result: VOID }, + // Circular references: the receiver slot is program-dependent (any + // cycle-capable record/array/map/class type — the insp.error precedent). + /* Circular references over cycle-capable composites (recursive record/ + * class types): circCheck answers a value's circular id when it is + * already on the traversal stack (0 otherwise), seenPush/refWrap + * bracket the frame (insp.end adds Node's " " prefix to values + * the walk found circular), circular renders "[Circular *N]". */ + "insp.circCheck": { argTypes: [null], result: F64 }, + "insp.seenPush": { argTypes: [null], result: VOID }, + "insp.refWrap": { argTypes: [null, STRING], result: STRING }, + "insp.circular": { argTypes: [F64], result: STRING }, + /* Whether a closed declared-field record kept the undeclared properties + * of its checked source (scr_record_source_note): reflective surfaces + * (inspect, Object.keys/values/entries) then answer through its live + * checked view. The receiver is any such record type. Never throws. */ + "record.sourceHas": { argTypes: [null], result: BOOL }, + /** `record.sourceSpread(built, value)`: the record a literal starting + * with `...value` just built keeps the order of value's kept source + * (key-order-witness.ts ordered spreads). Both are record types. Never + * throws. */ + "record.sourceSpread": { argTypes: [null, null], result: VOID }, + "insp.key": { argTypes: [STRING], result: STRING }, + "insp.moreItems": { argTypes: [F64], result: STRING }, + "insp.end": { argTypes: [STRING, STRING, STRING, F64, BOOL, BOOL], result: STRING }, + /** A nested inspect inside a custom rendering (PerformanceEntry's + * `${name} ${inspect(toJSON)}`): nestedBegin starts a fresh inspect + * context, nestedEnd(prefix, inner) restores the caller's and answers + * `prefix inner` re-indented at the caller's level (+1). */ + "insp.nestedBegin": { argTypes: [], result: VOID }, + "insp.nestedEnd": { argTypes: [STRING, STRING], result: STRING }, + /** Around a top-level render that an inspection refusal can end: mark + * records the inspector's frame and nesting depth, unwind (in the + * render's finally) closes what the render left open above it. */ + "insp.mark": { argTypes: [], result: VOID }, + "insp.unwind": { argTypes: [], result: VOID }, + /** node:string_decoder's utf8 StringDecoder (scr_string.c): the decoder + * value is a one-field record whose f64 PACKS the pending partial + * sequence (count + up to 3 raw bytes — Node buffers at most 3 for + * every encoding); the frontend's interned %strdec helpers thread it, + * with the decoder's CANONICAL encoding name first, through these pure + * functions. write: (enc, pending, chunk) → the decoded complete + * prefix of pending+chunk (+1); next: (enc, pending, chunk) → the + * packed NEW pending; end: (enc, pending) → the buffered partial's + * flush (+1). Node-exact per encoding (oracle-pinned); none throws. */ + "strdec.write": { argTypes: [STRING, F64, BYTES_U8], result: STRING }, + "strdec.next": { argTypes: [STRING, F64, BYTES_U8], result: F64 }, + "strdec.end": { argTypes: [STRING, F64], result: STRING }, + /** A runtime encoding argument's canonical name (Node's normalizeEncoding: + * nullish and "" are utf8); an unknown name throws ERR_UNKNOWN_ENCODING. */ + "strdec.encoding": { argTypes: [DYN], result: STRING }, + // node:readline: the interface handle is f64; the callbacks' func types + // are program-dependent (the emitter picks the adapter by parameter + // count), so those slots are null like child.onExit's. + /** node:readline and node:readline/promises (scr_readline.c, linked + * under the events gate — these fns imply moduleUsesProcessEvents; a + * stream input or output adds scr_stream.c's bridge). The interface + * value is an f64 handle (the Timeout-id precedent); an open interface + * on stdin keeps the loop alive until close/EOF. + * rl.create: [mode, input?, output?, crlfDelay, prompt?] → f64, mode + * bits 1 stream input, 2 stream output, 4 stdout output, 16 prompt + * (lowerReadlineCreateCall); rl.createSignal: the same plus the + * trailing AbortSignal (mode bit 8), which links the event-target unit + * for addAbortListener. rl.question: [handle, query, cb] — the callback + * form; THROWS ERR_USE_AFTER_CLOSE on a closed interface (may-throw). + * rl.questionAsync(Signal): [handle, query, signal?] → promise, + * rejecting instead of throwing. rl.close/pause/resume/prompt: + * [handle] (pause/resume/prompt throw ERR_USE_AFTER_CLOSE when + * closed); rl.setPrompt/getPrompt; rl.write: [handle, data] (throws + * when closed). rl.on: [handle, event, cb, once] — the event number + * (0 'line', 1 'close', 2 'pause', 3 'resume', 4 'error') and the + * listener (moves). rl.iterOpen/iterNext/iterReturn: the async + * iterator — iterNext answers promise of the line or undefined. */ + "rl.create": { argTypes: [F64], result: F64 }, + "rl.createSignal": { argTypes: [F64], result: F64 }, + "rl.question": { argTypes: [F64, STRING, null], result: VOID }, + "rl.questionAsync": { argTypes: [F64, STRING], result: { kind: "promise", inner: STRING } }, + "rl.questionAsyncSignal": { + argTypes: [F64, STRING, DYN], + result: { kind: "promise", inner: STRING }, + }, + /** The question forms with a checked-dynamic query (a JavaScript value + * that need not be a string). */ + "rl.questionDyn": { argTypes: [F64, DYN, null], result: VOID }, + "rl.questionAsyncDyn": { argTypes: [F64, DYN], result: { kind: "promise", inner: STRING } }, + "rl.questionAsyncSignalDyn": { + argTypes: [F64, DYN, DYN], + result: { kind: "promise", inner: STRING }, + }, + "rl.close": { argTypes: [F64], result: VOID }, + "rl.pause": { argTypes: [F64], result: VOID }, + "rl.resume": { argTypes: [F64], result: VOID }, + "rl.prompt": { argTypes: [F64], result: VOID }, + /** prompt(preserveCursor): [handle, preserveCursor] */ + "rl.promptWith": { argTypes: [F64, BOOL], result: VOID }, + "rl.setPrompt": { argTypes: [F64, STRING], result: VOID }, + "rl.setPromptDyn": { argTypes: [F64, DYN], result: VOID }, + "rl.getPrompt": { argTypes: [F64], result: STRING }, + "rl.write": { argTypes: [F64, STRING], result: VOID }, + /** write(data, key): [handle, hasData, data, hasKey, hasName, name, + * ctrl, meta, shift] */ + "rl.writeKey": { + argTypes: [F64, BOOL, STRING, BOOL, BOOL, STRING, BOOL, BOOL, BOOL], + result: VOID, + }, + "rl.on": { argTypes: [F64, F64, null, BOOL], result: VOID }, + "rl.iterOpen": { argTypes: [F64], result: VOID }, + "rl.iterNext": { argTypes: [F64], result: { kind: "promise", inner: DYN } }, + "rl.iterReturn": { argTypes: [F64], result: VOID }, + /** createInterface's history and editing options (scr_rl_check_options: + * [flags, tabSize, escapeCodeTimeout, historySize], may throw; + * rl.setOptions: [handle, flags, historySize, removeHistoryDuplicates, + * tabSize, escapeCodeTimeout]; rl.setHistory: [handle, history]) and + * the member reads (rl.history answers the array, rl.numProp the + * numeric member by number). */ + "rl.checkOptions": { argTypes: [F64, F64, F64, F64], result: VOID }, + "rl.checkCompleter": { argTypes: [DYN], result: VOID }, + "rl.setOptions": { argTypes: [F64, F64, F64, BOOL, F64, F64], result: VOID }, + "rl.setHistory": { argTypes: [F64, arrayOf(STRING)], result: VOID }, + "rl.history": { argTypes: [F64], result: arrayOf(STRING) }, + "rl.numProp": { argTypes: [F64, F64], result: F64 }, + /** Terminal mode (scr_readline_tty.c): rl.terminal: [handle, mode (0 + * the option's value, 2 output.isTTY of process.stdout), terminal, + * completer (undefined when absent), readline/promises], emitted with + * scr_insp_dyn when there is a completer; the line, terminal and cursor + * members. */ + "rl.terminal": { argTypes: [F64, F64, BOOL, DYN, BOOL], result: VOID }, + "rl.line": { argTypes: [F64], result: STRING }, + "rl.isTerminal": { argTypes: [F64], result: BOOL }, + "rl.isPromises": { argTypes: [F64], result: BOOL }, + /** createInterface's input or output as a checked-dynamic value: + * [value, output] — the stream; refused when it is not one. */ + "rl.inputFromDyn": { + argTypes: [DYN, BOOL], + result: { kind: "object", className: "%Readable" }, + }, + "rl.outputFromDyn": { + argTypes: [DYN, BOOL], + result: { kind: "object", className: "%Writable" }, + }, + "rl.cursor": { argTypes: [F64], result: F64 }, + /** readline.cursorTo / moveCursor / clearLine / clearScreenDown: rl.seq + * [kind (0-3), the first and second numbers, whether the second is + * given] answers the data to write after the argument checks (may + * throw); rl.moves [dx, dy] says whether moveCursor writes. */ + "rl.seq": { argTypes: [F64, F64, F64, BOOL], result: STRING }, + "rl.moves": { argTypes: [F64, F64], result: BOOL }, + /** getCursorPos() (scr_readline_tty.c, linked through the regex unit + * like rl.terminal): [handle, 0 rows | 1 cols] */ + "rl.cursorPos": { argTypes: [F64, F64], result: F64 }, + /** readline.emitKeypressEvents (scr_readline_tty.c): rl.keypressStdin + * [interface (0: none), escapeCodeTimeout (NaN: the interface's or + * 500)], rl.keypressStream [stream, interface, timeout]. */ + "rl.keypressStdin": { argTypes: [F64, F64], result: VOID }, + "rl.keypressStream": { argTypes: [null, F64, F64], result: VOID }, + /** readline/promises Readline over an f64 handle: rl.uiOpen [fd (1 + * stdout, 2 stderr), autoCommit], rl.uiOpenStream [stream, autoCommit] + * (isWritable, may throw); the actions take [handle, ...numbers] (the + * checks may throw; cursorTo: [handle, x, whether y is given, y]); + * rl.uiCommit answers a promise. */ + "rl.uiOpen": { argTypes: [F64, BOOL], result: F64 }, + "rl.uiOpenStream": { argTypes: [null, BOOL], result: F64 }, + "rl.uiCursorTo": { argTypes: [F64, F64, BOOL, F64], result: VOID }, + "rl.uiMoveCursor": { argTypes: [F64, F64, F64], result: VOID }, + "rl.uiClearLine": { argTypes: [F64, F64], result: VOID }, + "rl.uiClearScreenDown": { argTypes: [F64], result: VOID }, + "rl.uiRollback": { argTypes: [F64], result: VOID }, + "rl.uiCommit": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, + /** node:timers/promises — the promisified pair (scr_async.c, beside + * the timer heap they ride): tp.setTimeout: [ms] → a pending void + * promise a one-shot heap timer fulfills (the loop's timer phase, FIFO + * against equal deadlines like Node); tp.setImmediate: [] → the same + * through the immediate queue (fires before due timers of later loop + * turns, Node's check phase). Neither throws. */ + "tp.setTimeout": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, + // scheduler.wait(delay): tp.setTimeout's promise. It throws Node's + // ERR_INVALID_THIS once mock.timers has restored the real scheduler.wait. + "tp.schedulerWait": { argTypes: [F64], result: { kind: "promise", inner: VOID } }, + "tp.setImmediate": { argTypes: [], result: { kind: "promise", inner: VOID } }, + /** events.once (scr_events_emitter.c): [emitter, name, boxer, + * errorBoxer, listenForError] → a pending promise of any[]; the boxers + * turn the event's and the 'error' tuple into that array. */ + "events.once": { argTypes: [null, STRING, null, null, BOOL], result: VOID }, + /** events.once(emitter, name, { signal }) (scr_events_once_signal.c): + * events.once's arguments plus the checked-dynamic signal (an + * AbortSignal or undefined). */ + "events.onceSignal": { argTypes: [null, STRING, null, null, BOOL, DYN], result: VOID }, + /** The resolve-value forms: [ms?, value, ref] → a pending promise of the + * value's type that copies the borrowed already-resolved `value` promise + * when the timer (or immediate) fires; ref false unrefs it. The result + * type follows the value promise. */ + "tp.setTimeoutValue": { argTypes: [F64, null, BOOL], result: VOID }, + "tp.setImmediateValue": { argTypes: [null, BOOL], result: VOID }, + /** The same with options.signal (a checked-dynamic AbortSignal or + * undefined) last: an abort clears the timer and rejects with an + * AbortError (scr_event_target.c). */ + "tp.setTimeoutSignal": { argTypes: [F64, null, BOOL, DYN], result: VOID }, + "tp.setImmediateSignal": { argTypes: [null, BOOL, DYN], result: VOID }, + /** scheduler.wait(delay, options): tp.setTimeoutValue's and + * tp.setTimeoutSignal's shapes, with tp.schedulerWait's throws. */ + "tp.schedulerWaitValue": { argTypes: [F64, null, BOOL], result: VOID }, + "tp.schedulerWaitSignal": { argTypes: [F64, null, BOOL, DYN], result: VOID }, + /** node:diagnostics_channel (scr_dc.c, linked when any dc.* appears — + * the zlib gating precedent): a process-global name→channel registry; + * channel values are f64 handles (type-mapper.ts maps Channel to F64, the + * readline.Interface pattern). Subscribers are dyn function values — + * identity-compared by unsubscribe, called (message, name) by publish + * over a SNAPSHOT of the list (a subscriber unsubscribing itself + * mid-publish still lets its siblings fire, Node's behavior). dc.publish + * MAY THROW: a subscriber's throw propagates out of publish (catchable + * there) where Node routes it to triggerUncaughtException — the + * documented divergence. subscribe/unsubscribe throw Node's + * ERR_INVALID_ARG_TYPE TypeError for non-function subscribers. */ + "dc.channel": { argTypes: [STRING], result: F64 }, + "dc.subscribe": { argTypes: [STRING, DYN], result: VOID }, + "dc.unsubscribe": { argTypes: [STRING, DYN], result: BOOL }, + "dc.hasSubscribers": { argTypes: [STRING], result: BOOL }, + "dc.publish": { argTypes: [F64, DYN], result: VOID }, + "dc.chanSubscribe": { argTypes: [F64, DYN], result: VOID }, + "dc.chanUnsubscribe": { argTypes: [F64, DYN], result: BOOL }, + "dc.chanHasSubscribers": { argTypes: [F64], result: BOOL }, + "dc.chanName": { argTypes: [F64], result: STRING }, + /** TracingChannel (dc.tracingChannel): a registry entry of the five + * event channels, an f64 handle like Channel (type-mapper.ts). tcSubscribe/ + * tcUnsubscribe walk a dyn handlers object's five event keys (truthy + * non-function slots throw the per-channel ERR_INVALID_ARG_TYPE); + * tcTraceSync/tcTraceCallback/tcTracePromise run Node's publish choreography in C over + * dyn values (fn, ctx, thisArg, args-array) with thisArg bound as the + * ambient receiver — the traced call's throw and any subscriber throw + * both propagate (MAY THROW). tcTraceCallback wraps args[position] in a + * native error/result + asyncStart/asyncEnd publisher and throws Node's + * TypeError when that slot is not callable. tracingChannelOf is the + * five-Channel collection form of the constructor. */ + /** setImmediate as a first-class dyn value (scr_async.c): a minted dyn + * callable scheduling args[0](args[1..]) on the immediate queue — the + * Node-suite traceCallback shape (`traceCallback(setImmediate, ...)`). + * Calling it validates the callback (the dyn call machinery); minting + * never throws. */ + "timers.setImmediateFnValue": { argTypes: [], result: DYN }, + /** `new Promise(setImmediate)` (the Node-suite early-exit shape): a + * fresh promise an immediate fulfills with the undefined dyn value — + * the executor IS setImmediate, so resolve rides the immediate queue + * (scr_async.c). Never throws. */ + "timers.immediatePromise": { argTypes: [], result: { kind: "promise", inner: DYN } }, + "dc.tracingChannel": { argTypes: [STRING], result: F64 }, + "dc.tracingChannelOf": { argTypes: [F64, F64, F64, F64, F64], result: F64 }, + "dc.tcChannel": { argTypes: [F64, F64], result: F64 }, + "dc.tcHasSubscribers": { argTypes: [F64], result: BOOL }, + "dc.tcSubscribe": { argTypes: [F64, DYN], result: VOID }, + "dc.tcUnsubscribe": { argTypes: [F64, DYN], result: BOOL }, + "dc.tcTraceSync": { argTypes: [F64, DYN, DYN, DYN, DYN], result: DYN }, + "dc.tcTraceCallback": { argTypes: [F64, DYN, F64, DYN, DYN, DYN], result: DYN }, + /** tracePromise (scr_dc.c): start publish, the traced call, a wrap of + * non-promise results, the end publish, and a REACTION FIBER that + * awaits the traced promise and publishes asyncStart/asyncEnd (error + * first on rejection) before settling the returned promise with + * the passed-through outcome. MAY THROW (the traced call and the + * synchronous publishes). */ + "dc.tcTracePromise": { + argTypes: [F64, DYN, DYN, DYN, DYN], + result: { kind: "promise", inner: DYN }, + }, + /** process.on/once('unhandledRejection', fn): registers a dyn listener + * the checkpoint report dispatches per never-observed rejection — + * (reason, promise) — instead of printing and exiting 1 (scr_async.c). + * The bool second arg is `once` (auto-removed after one delivery, + * Node's once); off/removeListener remove by closure identity, the + * offWarning stance. Throws Node's ERR_INVALID_ARG_TYPE on a + * non-function. */ + /** Uncaught exception handlers and monitors: [callback dyn, once, monitor]. */ + "process.onUncaughtException": { argTypes: [DYN, BOOL, BOOL], result: VOID }, + "process.offUncaughtException": { argTypes: [DYN, BOOL], result: VOID }, + "process.onUnhandledRejection": { argTypes: [DYN, BOOL], result: VOID }, + "process.offUnhandledRejection": { argTypes: [DYN], result: VOID }, + /** process.on/once/off('rejectionHandled', fn): the sibling registry. + * A handler attached after unhandledRejection delivery fires the event + * once. Dispatch is synchronous at the attach, with the promise, + * Node's payload. */ + "process.onRejectionHandled": { argTypes: [DYN, BOOL], result: VOID }, + "process.offRejectionHandled": { argTypes: [DYN], result: VOID }, + /** process warnings (scr_async_dyn.c): onWarning/offWarning register + * dyn listeners; emitWarning applies Node's full argument grammar over + * the call's dyn argument vector (ERR_INVALID_ARG_TYPE TypeErrors — MAY + * THROW) and emits on the next tick, like Node: Node's stderr report, + * then the listeners. */ + "process.onWarning": { argTypes: [DYN], result: VOID }, + "process.offWarning": { argTypes: [DYN], result: VOID }, + "process.emitWarning": { argTypes: [DYN], result: VOID }, + /** A Warning-typed process warning with this message (the console + * members' warnings), emitted on the next tick as Node's emitWarning + * does (so the loop runs); an empty message emits nothing. */ + "process.emitWarningText": { argTypes: [STRING], result: VOID }, + /** process.noDeprecation (0) / process.throwDeprecation (1): the stored + * value (undefined until assigned) and its assignment. util.deprecate's + * warnings and DeprecationWarning emissions read their truthiness. */ + "process.deprecationFlag": { argTypes: [F64], result: DYN }, + "process.setDeprecationFlag": { argTypes: [F64, DYN], result: VOID }, + "process.setEmitWarning": { argTypes: [DYN], result: VOID }, + /** AsyncLocalStorage (node:async_hooks — scr_async.c): stores are f64 + * handles; contexts are immutable fiber-carried snapshots (spawned + * fibers inherit the spawner's — Node's init-time capture). run/exit + * enter (or clear) the store, call the dyn function with forwarded + * arguments, and restore (the finally); getStore answers the current + * dyn value or undefined; enterWith installs with no restore point. + * run/exit MAY THROW (the callback's own throws propagate). */ + /** `await v` over a checked-dynamic VALUE (scr_async.c): a dyn promise + * adopts (rejections re-throw — MAY THROW), anything else takes JS's + * one-microtask non-thenable await and answers itself. Only emitted + * inside async bodies (the frontend's isAsync gate). */ + "async.awaitDyn": { argTypes: [DYN], result: DYN }, + /** The bare one-microtask hop (scr_await_hop): `await v` over a typed + * NON-promise value — JS awaits non-thenables through exactly one + * microtask turn and yields the value itself. Never throws. */ + "async.hop": { argTypes: [], result: VOID }, + "als.new": { argTypes: [], result: F64 }, + "als.get": { argTypes: [F64], result: DYN }, + "als.run": { argTypes: [F64, DYN, DYN, DYN], result: DYN }, + "als.exitRun": { argTypes: [F64, DYN, DYN], result: DYN }, + "als.enterWith": { argTypes: [F64, DYN], result: VOID }, + "als.disable": { argTypes: [F64], result: VOID }, + /** new AsyncLocalStorage(options) (Node's object check throws; MAY + * THROW) and the store's name option (dyn; "" without one). */ + "als.newOptions": { argTypes: [DYN], result: F64 }, + "als.name": { argTypes: [F64], result: DYN }, + /** A function bound to the active context: the completion callbacks of + * callback-style APIs (always false: an empty context leaves the + * callback unbound) and AsyncLocalStorage.bind (always true). The typed + * form answers its closure argument's type; the dyn form throws Node's + * ERR_INVALID_ARG_TYPE for a non-function when always (MAY THROW). */ + "als.bindCallback": { argTypes: [null, BOOL], result: VOID }, + "als.bindCallbackDyn": { argTypes: [DYN, BOOL], result: DYN }, + /** AsyncLocalStorage.snapshot(): a dyn function (cb, ...args) that runs + * cb in the context active at the snapshot. */ + "als.snapshot": { argTypes: [], result: DYN }, + /** Channel.bindStore/unbindStore/runStores (scr_dc.c): the + * AsyncLocalStorage integration — set-semantics bindings per store, + * runStores entering every bound store with transform(data) around the + * publish and the callback (MAY THROW: transforms, subscribers, and + * the callback all run). */ + "dc.chanBindStore": { argTypes: [F64, F64, DYN], result: VOID }, + "dc.chanUnbindStore": { argTypes: [F64, F64], result: BOOL }, + "dc.chanRunStores": { argTypes: [F64, DYN, DYN, DYN, DYN], result: DYN }, + /** The Number statics with a static C implementation (scr_lib.c): one + * f64 arg → bool, JS-exact BY CONSTRUCTION — Number.isFinite/isNaN/ + * isInteger/isSafeInteger never coerce, and the frontend routes only + * f64-typed arguments here (other static types fence). None throws. */ + "number.isFinite": { argTypes: [F64], result: BOOL }, + "number.isNaN": { argTypes: [F64], result: BOOL }, + "number.isInteger": { argTypes: [F64], result: BOOL }, + "number.isSafeInteger": { argTypes: [F64], result: BOOL }, + /** Date (scr_lib.c). Values are TimeClip'd epoch-millisecond scalars: + * construction/store/pass/getters are exact while identity and mutation + * remain fenced. date.now is Node's integer milliseconds since epoch; + * date.toISOString formats one raw f64 millisecond time value and + * date.toISOStringValue formats a stored Date, both with Node's rules (UTC, + * YYYY-MM-DDTHH:mm:ss.sssZ, expanded ±YYYYYY years outside 0–9999, + * ToInteger truncation of fractional ms) and THROWS Node's "Invalid + * time value" RangeError on NaN / out-of-range input (may-throw seed). + * Results: f64 / owned (+1) string. */ + "date.now": { argTypes: [], result: F64 }, + "date.newNow": { argTypes: [], result: DATE_T }, + "date.newMs": { argTypes: [F64], result: DATE_T }, + "date.newString": { argTypes: [STRING], result: DATE_T }, + /** Date.parse(dateString), with its own reach witness for exact fences. */ + "date.parse": { argTypes: [STRING], result: F64 }, + "date.getTime": { argTypes: [DATE_T], result: F64 }, + "date.valueOf": { argTypes: [DATE_T], result: F64 }, + "date.toISOString": { argTypes: [F64], result: STRING }, + "date.toISOStringValue": { argTypes: [DATE_T], result: STRING }, + /** Date.prototype.toUTCString over a stored Date ("Invalid Date" for + * NaN; never throws). */ + "date.toUTCString": { argTypes: [DATE_T], result: STRING }, + "date.getFullYear": { argTypes: [DATE_T], result: F64 }, + "date.getUTCFullYear": { argTypes: [DATE_T], result: F64 }, + "date.getMonth": { argTypes: [DATE_T], result: F64 }, + "date.getUTCMonth": { argTypes: [DATE_T], result: F64 }, + "date.getDate": { argTypes: [DATE_T], result: F64 }, + "date.getUTCDate": { argTypes: [DATE_T], result: F64 }, + "date.getDay": { argTypes: [DATE_T], result: F64 }, + "date.getUTCDay": { argTypes: [DATE_T], result: F64 }, + "date.getHours": { argTypes: [DATE_T], result: F64 }, + "date.getUTCHours": { argTypes: [DATE_T], result: F64 }, + "date.getMinutes": { argTypes: [DATE_T], result: F64 }, + "date.getUTCMinutes": { argTypes: [DATE_T], result: F64 }, + "date.getSeconds": { argTypes: [DATE_T], result: F64 }, + "date.getUTCSeconds": { argTypes: [DATE_T], result: F64 }, + "date.getMilliseconds": { argTypes: [DATE_T], result: F64 }, + "date.getUTCMilliseconds": { argTypes: [DATE_T], result: F64 }, + "date.getTimezoneOffset": { argTypes: [DATE_T], result: F64 }, + /** A Date object for a time value a local holds (date-values.ts): a + * lib-call argument passes the time value itself, and any other use + * creates the Date. */ + "date.fromTime": { argTypes: [F64], result: DATE_T }, + /** Date.prototype's field setters over a time value + * (scr_date_set_fields): time value, setter code, argument count and four + * arguments; answers the new time value. */ + "date.setFields": { argTypes: [F64, F64, F64, F64, F64, F64, F64], result: F64 }, + /** TimeClip of a number (setTime's argument). */ + "date.timeClip": { argTypes: [F64], result: F64 }, + /** Stores a time value into a Date object and answers it (a setter's + * write). */ + "date.store": { argTypes: [DATE_T, F64], result: F64 }, + /** Date.prototype.toString / toDateString / toTimeString and String(date): + * V8's local-time formats with the host zone's long name, "Invalid Date" + * for an invalid date. Owned (+1) string; never throws. */ + "date.toString": { argTypes: [DATE_T], result: STRING }, + "date.toDateString": { argTypes: [DATE_T], result: STRING }, + "date.toTimeString": { argTypes: [DATE_T], result: STRING }, + /** The composed `new Date(dateString).getTime()` read: one borrowed + * string, f64 milliseconds since epoch, with V8's date-string grammar + * (the ES5 format, then the legacy forms: RFC 1123/2822, Date#toString, + * "Jan 2, 2024", ...). Zone-less dates are local time; anything V8 + * rejects is NaN, Node's invalid-date getTime. Never throws. */ + "date.parseGetTime": { argTypes: [STRING], result: F64 }, + /** `Date.UTC(...)` — seven f64 arguments (the frontend completes the + * spec's defaults for omitted trailing parts: month 0, date 1, time + * parts 0), the spec's MakeDay/MakeTime/TimeClip exactly: 0–99 years + * map to 1900+year, out-of-range months/dates roll over, non-finite + * parts and out-of-range results answer NaN. Never throws. */ + "date.utc": { argTypes: [F64, F64, F64, F64, F64, F64, F64], result: F64 }, + /** `new Date(year, monthIndex[, date, hours, minutes, seconds, ms])` — + * the same seven-f64 completion as date.utc, but the fields are LOCAL + * time: V8's MakeDay/MakeTime, then UTC(t) in the host zone (DST gaps + * read with the offset before the transition, overlaps answer the + * earlier instant), then TimeClip. Never throws. */ + "date.newLocal": { argTypes: [F64, F64, F64, F64, F64, F64, F64], result: DATE_T }, + /** WHATWG TextDecoder.decode over u8 bytes (scr_bytes.c): utf-8 with + * default options — the same maximal-subpart replacement decode as + * Buffer.toString("utf8"), with the leading BOM stripped (the one + * behavioral difference; ignoreBOM defaults to false). Inline calls + * lower directly; stored decoder records dispatch by encoding id. + * TextEncoder.encode needs no libFn: its matching forms + * lower to buffer.fromStr(s, "utf8") (identical bytes — both write each + * lone surrogate as U+FFFD). Borrowed arg; owned (+1) string; never throws. */ + "text.decode": { argTypes: [BYTES_U8], result: STRING }, + "bytes.bufferSource": { argTypes: [DYN], result: BYTES_U8 }, + /** Whether an error-first callback's Buffer result is absent: the zlib + * and crypto callback adapters pass NULL after an error. Borrowed arg; + * never throws. */ + "bytes.isAbsent": { argTypes: [BYTES_U8], result: BOOL }, + /** Whether two typed arrays share no byte: their element ranges in + * memory do not overlap. Borrowed args of any element kind; never throws. */ + "bytes.disjoint": { argTypes: [null, null], result: BOOL }, + /** The absent Buffer result itself (NULL), where an error-path callback + * body passes its undefined result on into a Buffer slot. Owned (+1); + * never throws. */ + "bytes.absent": { argTypes: [], result: BYTES_U8 }, + /** node:crypto asymmetric keys and signatures (scr_pki.c): checked- + * dynamic arguments, borrowed; KeyObject, Sign and Verify handles, + * Buffers and booleans as checked-dynamic results (+1). Node's argument + * and decoder errors throw (may-throw); generateKeyPairCb's callback + * receives (null, publicKey, privateKey) in a later macrotask. */ + "crypto.createPrivateKey": { argTypes: [DYN], result: DYN }, + "crypto.createPublicKey": { argTypes: [DYN], result: DYN }, + "crypto.generateKeyPairSync": { argTypes: [DYN, DYN], result: DYN }, + "crypto.generateKeyPairCb": { argTypes: [DYN, DYN, DYN], result: VOID }, + "crypto.signOneshot": { argTypes: [DYN, DYN, DYN], result: DYN }, + "crypto.diffieHellman": { argTypes: [DYN, DYN], result: DYN }, + "crypto.verifyOneshot": { argTypes: [DYN, DYN, DYN, DYN], result: DYN }, + "crypto.createSign": { argTypes: [DYN], result: DYN }, + "crypto.createVerify": { argTypes: [DYN], result: DYN }, + /** The Buffer brand of a Uint8Array source onto a fresh Uint8Array + * result (map and filter of a Buffer return a Buffer). */ + "bytes.copyBrand": { argTypes: [BYTES_U8, BYTES_U8], result: VOID }, + "text.decodeBufferSource": { argTypes: [DYN], result: STRING }, + "text.decodeOptions": { argTypes: [BYTES_U8, BOOL, BOOL], result: STRING }, + "text.decodeStream": { argTypes: [DYN, BYTES_U8, F64, BOOL, BOOL, BOOL], result: STRING }, + "text.decodeLegacyOptions": { argTypes: [BYTES_U8, F64, BOOL, BOOL], result: STRING }, + /** TextDecoder.decode for a compile-time non-UTF-8 WHATWG label. The + * second f64 is the frontend-owned encoding id consumed by scr_bytes.c; + * label aliases/case/ASCII whitespace are canonicalized before IR. The + * mapping tables are generated from the pinned Node 24 oracle, keeping + * output portable without an ICU/iconv dependency. Borrowed args; owned + * (+1) string; never throws. */ + "text.decodeLegacy": { argTypes: [BYTES_U8, F64], result: STRING }, + "text.decoderEncoding": { argTypes: [DYN], result: F64 }, + "text.decoderName": { argTypes: [F64], result: STRING }, + "text.encodeInto": { argTypes: [DYN, DYN], result: DYN }, + /** `value instanceof TextDecoder` (true) or `TextEncoder` (false) on a + * checked-dynamic value: a codec record's handle box (scr_text_codec_dyn.c). + * Borrowed; never throws. */ + "text.codecIs": { argTypes: [DYN, BOOL], result: BOOL }, + "buffer.isAscii": { argTypes: [DYN], result: BOOL }, + "buffer.isUtf8": { argTypes: [DYN], result: BOOL }, + "buffer.transcode": { argTypes: [DYN, DYN, DYN], result: BYTES_U8 }, + /** The fs option forms and friends (scr_lib.c), all throwing catchably + * like the rest of sync fs. mkdirRecursiveSync is Node's recursive + * algorithm (try mkdir, EEXIST-dir is fine, ENOENT creates the parent + * first — errors report Node's errno at Node's path, EEXIST at a file + * target, ENOTDIR at the full path past a file); the first-created-dir + * return value has no lowering (statement position only, frontend- + * fenced). rmOptsSync is rmSync with (recursive, force) bools: force + * swallows ENOENT, recursive removes trees post-order, a directory + * without recursive throws Node's ERR_FS_EISDIR SystemError. mkdtempSync appends the six X's and returns the + * created path (+1). accessSync takes the F_OK/R_OK/W_OK/X_OK bits as + * one f64 (the frontend bakes fs.constants.* as literals and completes + * an omitted mode to 0). readFdSync/readFdSyncBytes are the + * readFileSync(fd[, "utf8"]) forms — a read(2) loop to EOF on the fd + * (the stdin path); errors carry Node's no-path message shape. */ + "fs.mkdirRecursiveSync": { argTypes: [STRING], result: VOID }, + "fs.rmOptsSync": { argTypes: [STRING, BOOL, BOOL], result: VOID }, + /** rmOptsSync's maxRetries/retryDelay form (path, recursive, force, + * maxRetries, retryDelay): Node's linear-backoff retry on + * EBUSY/EMFILE/ENFILE/ENOTEMPTY/EPERM — the tmpdir-harness shape + * rmSync(p, { maxRetries: 3, recursive: true, force: true }). Throws + * ERR_OUT_OF_RANGE for a retryDelay outside int32 >= 0 or a maxRetries + * outside uint32, before checking the path. */ + "fs.rmRetrySync": { argTypes: [STRING, BOOL, BOOL, F64, F64], result: VOID }, + "fs.mkdtempSync": { argTypes: [STRING], result: STRING }, + "fs.accessSync": { argTypes: [STRING, F64], result: VOID }, + "fs.readFdSync": { argTypes: [F64, STRING], result: STRING }, + "fs.readFdSyncBytes": { argTypes: [F64], result: BYTES_U8 }, + /** Validated isatty(3) probe. Stream property lowering maps false to + * undefined; tty.isatty exposes the boolean result directly. */ + "process.isTTY": { argTypes: [F64], result: BOOL }, + // Like process.envGet: the result is the module's interned + // `number | undefined` union — checked by arms in the libCall case. + /** Terminal width over an fd literal (1/2 — process.stdout/stderr + * .columns): ioctl(TIOCGWINSZ). The result is the module's interned + * `number | undefined` union — a non-TTY stream (or an ioctl refusal) + * yields the undefined arm, exactly Node's missing `.columns`. Never + * throws. */ + "process.columns": { argTypes: [F64], result: VOID }, + /** Terminal height, with the same fd and optional-number contract. */ + "process.rows": { argTypes: [F64], result: VOID }, + /** process.stdin.destroy(): a deliberate no-op (no stream machinery + * exists to tear down; documented in SEMANTICS.md). */ + "process.stdinDestroy": { argTypes: [], result: VOID }, + /** process.stdin.setRawMode(mode) — one borrowed bool arg, void. On a + * TTY stdin: termios raw mode on/off (libuv's UV_TTY_MODE_RAW flag set, + * the mode Node's setRawMode(true) applies; false restores the entry + * state). On a NON-TTY stdin Node's process.stdin has no such method at + * all, so the call throws Node's exact catchable TypeError + * ("process.stdin.setRawMode is not a function") — the may-throw seed + * carries it. */ + "process.stdinSetRawMode": { argTypes: [BOOL], result: VOID }, + // Arg 0 is a packed f64[] OR a bytes value (the spread-typed-array + // form) — checked in the libCall case. + /** fromCharCode takes one packed f64[] or bytes arg and builds a string + * from UTF-16 code units. Adjacent surrogate pairs combine; lone + * surrogates follow the runtime's replacement policy. */ + "string.fromCharCode": { argTypes: [null], result: STRING }, + /** Numeric code points, with catchable RangeError for non-integers or + * values outside 0..0x10ffff. Uses the same UTF-8 surrogate policy. */ + "string.fromCodePoint": { argTypes: [null], result: STRING }, + /** lastIndexOf returns the last UTF-16 start index, or -1. The two-arg + * form searches at or before its numeric position; NaN starts at the end. + * String arguments are borrowed and neither form throws. */ + "string.lastIndexOf": { argTypes: [STRING, STRING], result: F64 }, + "string.lastIndexOfFrom": { argTypes: [STRING, STRING, F64], result: F64 }, + /** String.raw(template, ...subs): the raw literals array (a string[] + * read off the template record) interleaved with the PRE-STRINGIFIED + * substitutions (the frontend applies the static ToString and packs + * them into one string[] literal) — extra substitutions drop, missing + * ones skip, the spec's loop exactly (scr_array.c). Borrowed args; + * +1 string; never throws. */ + "string.raw": { argTypes: [arrayOf(STRING), arrayOf(STRING)], result: STRING }, + }); +} + +let libFnSignatureTable: ReturnType | undefined; + +/** The runtime call slots of every native builtin, keyed by name. The table + * is built on the first call, so runs that neither lower nor validate a + * module do not construct it. */ +export function libFnSignatures(): ReturnType { + libFnSignatureTable ??= buildLibFnSignatures(); + return libFnSignatureTable; +} /** A builtin name exists exactly when its runtime signature exists. */ -export type IrLibFn = keyof typeof LIB_FN_SIGS; +export type IrLibFn = keyof ReturnType; /** The function-stage runs of a pipeline of `total` stages that a stream * follows (positions bit j: stage j is a function), and an async diff --git a/packages/compiler/src/ir/callback-specialization.ts b/packages/compiler/src/ir/callback-specialization.ts index 4764754af..f4421f34b 100644 --- a/packages/compiler/src/ir/callback-specialization.ts +++ b/packages/compiler/src/ir/callback-specialization.ts @@ -16,7 +16,10 @@ const COPIED_NODE_FRACTION = 0.25; * closure it creates writes through its environment (and transitively the * closures those create). A parameter or capture absent from its function's * set holds the value it entered with for the whole call. */ -export function writtenLocals(mod: IrModule, nodes?: IrNodeIndex): Map> { +export function writtenLocals( + mod: { readonly functions: readonly IrFunction[] }, + nodes?: IrNodeIndex, +): Map> { return rebindings(mod, nodes).written; } @@ -31,7 +34,7 @@ const REBINDING_KINDS: readonly IrNodeKind[] = [ ]; function rebindings( - mod: IrModule, + mod: { readonly functions: readonly IrFunction[] }, nodes?: IrNodeIndex, ): { written: Map>; diff --git a/packages/compiler/src/ir/int32-arrays.ts b/packages/compiler/src/ir/int32-arrays.ts index 353755c05..0677b2ad1 100644 --- a/packages/compiler/src/ir/int32-arrays.ts +++ b/packages/compiler/src/ir/int32-arrays.ts @@ -805,6 +805,41 @@ function rewriteCandidates( return { ...fn, body, locals: locals.filter((local) => !popLocals.has(local.id)) }; } +/** A module marked for its int32 array candidates: the candidates of + * each function (int32ArrayCandidates) and the element readers the marking + * inlines. */ +interface Int32ArrayMarking { + readonly mod: IrModule; + readonly readers: ReadonlyMap; + readonly candidates: ReadonlyMap>; +} + +/** markInt32ArrayCandidates with the candidates it marked; null when it + * marks none. */ +function markCandidates( + mod: IrModule, + keep: ReadonlySet | null, + redirected: ReadonlySet, +): Int32ArrayMarking | null { + if (mod.lib !== undefined) return null; + const readers = new Map(); + for (const fn of mod.functions) if (isElementReader(fn)) readers.set(fn.name, fn); + const all = moduleInt32ArrayCandidates(mod, new Set(readers.keys()), keep, redirected); + if (all.size === 0) return null; + const keys = new Set(); + const functions = mod.functions.map((fn) => { + const candidates = all.get(fn.name); + if (!candidates) return fn; + for (const id of candidates) keys.add(int32ArrayKey(fn.name, id)); + return rewriteCandidates(fn, candidates, readers); + }); + return { + mod: { ...mod, functions, int32ArrayCandidates: [...keys] }, + readers, + candidates: all, + }; +} + /** Propose the module's int32 array candidates (int32ArrayKey keys in * `int32ArrayCandidates`), only those in `keep` when given, and rewrite * their functions. */ @@ -813,42 +848,126 @@ export function markInt32ArrayCandidates( keep: ReadonlySet | null = null, redirected: ReadonlySet = new Set(), ): IrModule { - if (mod.lib !== undefined) return mod; - const readers = new Map(); - for (const fn of mod.functions) if (isElementReader(fn)) readers.set(fn.name, fn); - const all = moduleInt32ArrayCandidates(mod, new Set(readers.keys()), keep, redirected); - if (all.size === 0) return mod; - const keys = new Set(); - const functions = mod.functions.map((fn) => { - const candidates = all.get(fn.name); - if (!candidates) return fn; - for (const id of candidates) keys.add(int32ArrayKey(fn.name, id)); - return rewriteCandidates(fn, candidates, readers); - }); - return { ...mod, functions, int32ArrayCandidates: [...keys] }; + return markCandidates(mod, keep, redirected)?.mod ?? mod; +} + +/** Revises a function of a module marked for int32 array candidates when + * some of them drop: the function marked for its candidates outside + * `dropped` (int32ArrayKey keys), which is the unmarked function when none + * is left. */ +export type Int32ArrayRevision = (fnName: string, dropped: ReadonlySet) => IrFunction; + +/** What a proof of a marked module (selectInt32Arrays' `prove`) keeps. */ +export interface Int32ArrayProof { + /** The candidates it keeps. */ + readonly kept: ReadonlySet; + /** The functions of the module it proved, in module order, when it + * revised some through the Int32ArrayRevision it was given; otherwise + * null, for the marked module's own. */ + readonly functions: readonly IrFunction[] | null; } /** The module the backend emits: rewritten for exactly the candidates the - * int32 slot analysis (`prove`, returning its int32Arrays) keeps, so a - * module without int32 arrays is `mod` itself. A dropped candidate's - * rewrite is undone by marking again without it, until every candidate - * marked is kept. `redirected` names the functions some of whose calls the + * int32 slot analysis (`prove`) keeps, so a module without int32 arrays is + * `mod` itself. `redirected` names the functions some of whose calls the * backend emits as calls of another function (a result-slot entry): their - * parameters keep doubles. */ + * parameters keep doubles. + * + * The proof of the marked module gets an Int32ArrayRevision: as candidates + * drop, it revises their functions and goes on proving the revised module, + * so one analysis ends with the module marked for the candidates it keeps. + * That module is the answer when marking for those candidates again proposes + * exactly them, in the functions the proof revised. A proof that cannot + * follow a revision answers null; then each round marks the module, proves + * it without revisions, and marks again without the dropped candidates, + * until a round keeps every candidate it marks (four rounds at most). */ export function selectInt32Arrays( mod: IrModule, - prove: (marked: IrModule) => ReadonlySet, + prove: (marked: IrModule, revise: Int32ArrayRevision | null) => Int32ArrayProof | null, redirected: (mod: IrModule) => ReadonlySet = () => new Set(), ): IrModule { - let keep: ReadonlySet | null = null; const others = redirected(mod); - for (let round = 0; round < 4; round++) { + const marking = markCandidates(mod, null, others); + if (marking === null) return mod; + const original = new Map(mod.functions.map((fn) => [fn.name, fn])); + const markedFunctions = new Map(marking.mod.functions.map((fn) => [fn.name, fn])); + // Each function's latest revision and the candidates it is marked for. + const revisions = new Map }>(); + const revise: Int32ArrayRevision = (fnName, dropped) => { + const candidates = marking.candidates.get(fnName) ?? new Set(); + const ids = new Set(); + for (const id of candidates) if (!dropped.has(int32ArrayKey(fnName, id))) ids.add(id); + const latest = revisions.get(fnName); + if (latest !== undefined && latest.ids.size === ids.size) return latest.fn; + if (latest === undefined && ids.size === candidates.size) return markedFunctions.get(fnName)!; + const fn = + ids.size === 0 + ? original.get(fnName)! + : rewriteCandidates(original.get(fnName)!, ids, marking.readers); + revisions.set(fnName, { fn, ids }); + return fn; + }; + const proof = prove(marking.mod, revise); + const proposed = marking.mod.int32ArrayCandidates ?? []; + let keep: ReadonlySet | null = null; + let round = 0; + if (proof !== null && proof.functions === null) { + // The marked module itself was proved: the first round. + if (proposed.every((key) => proof.kept.has(key))) return marking.mod; + keep = new Set(proposed.filter((key) => proof.kept.has(key))); + round = 1; + } else if (proof !== null) { + const settled = settleRevisions(mod, marking, proof, revisions, others); + if (settled !== null) return settled; + } + for (; round < 4; round++) { const marked = markInt32ArrayCandidates(mod, keep, others); if (marked === mod) return mod; - const kept = prove(marked); - const proposed = marked.int32ArrayCandidates ?? []; - if (proposed.every((key) => kept.has(key))) return marked; - keep = new Set(proposed.filter((key) => kept.has(key))); + const kept = prove(marked, null)!.kept; + const roundProposed = marked.int32ArrayCandidates ?? []; + if (roundProposed.every((key) => kept.has(key))) return marked; + keep = new Set(roundProposed.filter((key) => kept.has(key))); } return mod; } + +/** The module marked for the candidates a revising proof kept, built from + * the functions it proved: null unless marking `mod` for those candidates + * proposes, in each function, exactly the candidates its proved function is + * marked for. `mod` itself when it proposes none. */ +function settleRevisions( + mod: IrModule, + marking: Int32ArrayMarking, + proof: Int32ArrayProof, + revisions: ReadonlyMap }>, + redirected: ReadonlySet, +): IrModule | null { + const kept = proof.kept; + const functions = proof.functions!; + if (functions.length !== mod.functions.length) return null; + const all = moduleInt32ArrayCandidates( + mod, + new Set(marking.readers.keys()), + new Set([...(marking.mod.int32ArrayCandidates ?? [])].filter((key) => kept.has(key))), + redirected, + ); + const keys = new Set(); + for (let i = 0; i < mod.functions.length; i++) { + const fn = mod.functions[i]!; + const proved = functions[i]!; + const candidates = all.get(fn.name); + const revision = revisions.get(fn.name); + const marked = revision?.ids ?? marking.candidates.get(fn.name) ?? new Set(); + if ((candidates?.size ?? 0) !== marked.size) return null; + if (candidates !== undefined) + for (const id of candidates) { + if (!marked.has(id)) return null; + keys.add(int32ArrayKey(fn.name, id)); + } + const expected = + revision?.fn ?? (marking.candidates.has(fn.name) ? marking.mod.functions[i]! : fn); + if (proved !== expected) return null; + } + if (all.size === 0) return mod; + return { ...mod, functions: [...functions], int32ArrayCandidates: [...keys] }; +} diff --git a/packages/compiler/src/ir/int32-slots.ts b/packages/compiler/src/ir/int32-slots.ts index c9f9858d0..fbd51dbc5 100644 --- a/packages/compiler/src/ir/int32-slots.ts +++ b/packages/compiler/src/ir/int32-slots.ts @@ -27,7 +27,7 @@ import { int32ArraySlot, int32ArrayStores, } from "./int32-arrays.js"; -import { everyExprChild, everyStmtChild, everyTypeChild } from "./traverse.js"; +import { everyExprChild, everyStmtChild, everyStmtList, everyTypeChild } from "./traverse.js"; /** The storage slot an array-valued expression reads, as an * IrContracts.int32Elements key: a local or parameter @@ -406,6 +406,47 @@ export class Int32Slots { for (const key of data.checkedInt32Arrays) slots.checkedInt32Arrays.add(key); return slots; } + + /** Every fact, in a canonical order, with each proven write as its + * position in `mod` (function index, then walk order): two analyses of + * equal modules hold the same facts when their summaries are equal. */ + summary(mod: IrModule): string { + const sorted = (values: Iterable): string => [...values].sort().join(","); + const lines = [ + `fields ${sorted(this.fields)}`, + `params ${sorted([...this.paramFacts].flatMap(([fn, params]) => [...params].map(([id, r]) => `${fn}\0${id}=${r.min}:${r.max}`)))}`, + `returns ${sorted(this.returns)}`, + `returnRanges ${sorted([...this.returnRanges].map(([fn, r]) => `${fn}=${r.min}:${r.max}`))}`, + `boxes ${sorted(this.boxes)}`, + `boxGroups ${sorted([...this.boxGroupOf].map(([member, group]) => `${member}=${group}`))}`, + `called ${sorted(this.called)}`, + `pinned ${sorted(this.pinned)}`, + `int32Locals ${sorted(this.int32Locals)}`, + `int32Elements ${sorted(this.int32Elements)}`, + `nonNegative ${sorted(this.nonNegative)}`, + `pinViolations ${sorted(this.pinViolations)}`, + `narrowedReads ${this.narrowedReads}`, + `int32Arrays ${sorted(this.int32Arrays)}`, + `checkedInt32Arrays ${sorted(this.checkedInt32Arrays)}`, + ]; + const positions: string[] = []; + mod.functions.forEach((fn, f) => { + let at = 0; + everyStmtList(fn.body, { + expr: (e) => { + if (this.provenWrites.has(e)) positions.push(`${f}:${at}`); + at++; + return true; + }, + stmt: () => { + at++; + return true; + }, + }); + }); + lines.push(`provenWrites ${this.provenWrites.size} ${positions.join(",")}`); + return lines.join("\n"); + } } /** Int32Slots as plain data (Int32Slots.encode). */ @@ -922,6 +963,95 @@ export interface Int32SlotInputs { initializerBindings?: ReadonlyMap; /** The module's node index, read instead of walking the bodies. */ nodes?: IrNodeIndex; + /** Revises a function of a module marked for int32 array candidates when + * candidates drop (int32-arrays.ts Int32ArrayRevision): the function + * marked without the `dropped` candidates. With it, a candidate that drops + * (and keeps no checked stores) takes its sites back to the element-reader + * calls the marking inlined, and the fixpoint goes on over the revised + * functions, so its result is the analysis of the module marked for the + * candidates it keeps. A revision that changes more of a function than + * those sites throws Int32RevisionConflict. */ + revise?: (fnName: string, dropped: ReadonlySet) => IrFunction; +} + +/** A revision (Int32SlotInputs.revise) changed a function in a way the + * fixpoint cannot follow: a call of a function no other call reaches, or + * any change besides element-reader calls taking the place of their + * inlined reads. The module needs an analysis of its own. */ +export class Int32RevisionConflict extends Error {} + +/** What the analysis's setup reads from a function body, besides direct + * calls: a revision must leave all of it unchanged. */ +function revisionStructure(fn: IrFunction): { + calls: { callee: string; args: number }[]; + rest: string; +} { + const calls: { callee: string; args: number }[] = []; + const rest: string[] = []; + const boxed = new Set(fn.locals.filter((local) => local.boxed).map((local) => local.id)); + const expr = (e: IrExpr): boolean => { + const referenced = exprFunctionReference(e); + if (referenced !== undefined) rest.push(`ref:${referenced}`); + switch (e.kind) { + case "call": + calls.push({ callee: e.callee, args: e.args.length }); + break; + case "new": + rest.push(`new:${e.className}:${e.args.length}`); + break; + case "varRef": + if (boxed.has(e.localId)) rest.push(`read:${e.localId}`); + break; + case "assignExpr": + case "incDec": + rest.push(`${e.kind}:${e.localId}`); + break; + case "fieldGet": + case "fieldIncDec": + rest.push(`${e.kind}:${e.className}\0${e.field}`); + break; + case "closure": + rest.push(`closure:${e.fnName}:${e.captures.join(",")}`); + break; + case "classRef": + rest.push(`classRef:${e.className}:${(e.captures ?? []).join(",")}`); + break; + case "virtualCall": + rest.push(`virtualCall:${e.className}.${e.method}`); + break; + case "instanceOfValue": + rest.push(`instanceOf:${e.classValue.kind}`); + break; + } + if (BOUNDARY_KINDS.has(e.kind)) rest.push(`boundary:${e.kind}`); + return everyExprChild(e, expr, stmt); + }; + const stmt = (s: IrStmt): boolean => { + switch (s.kind) { + case "forOf": + rest.push(`forOf:${s.localId}`); + break; + case "tryCatch": + if (s.catchLocalId) rest.push(`catch:${s.catchLocalId}`); + break; + case "assign": + case "varDecl": + if (boxed.has(s.localId)) rest.push(`${s.kind}:${s.localId}`); + break; + case "throw": + rest.push("throw"); + break; + } + return everyStmtChild(s, expr, stmt); + }; + for (const s of fn.body) stmt(s); + rest.sort(); + for (const local of fn.locals) + if (local.boxed || local.tdz) + rest.push(`local:${local.id}:${local.boxed === true}:${local.tdz === true}`); + for (const capture of fn.captures ?? []) rest.push(`capture:${capture.localId}`); + for (const capture of fn.classCaptures ?? []) rest.push(`classCapture:${capture.localId}`); + return { calls, rest: rest.join("\n") }; } export function analyzeInt32Slots(mod: IrModule, inputs: Int32SlotInputs = {}): Int32Slots { @@ -1293,6 +1423,36 @@ export function analyzeInt32Slots(mod: IrModule, inputs: Int32SlotInputs = {}): }); return found; }; + // Candidates dropped without checked stores, and the revision of the + // functions that hold them (Int32SlotInputs.revise). + const dropped = new Set(); + const revise = (names: ReadonlySet): void => { + for (const name of names) { + const previous = functions.get(name)!; + const next = inputs.revise!(name, dropped); + if (next === previous) continue; + const before = revisionStructure(previous); + const after = revisionStructure(next); + if (before.rest !== after.rest) throw new Int32RevisionConflict(name); + // The revision adds the element-reader calls back: each must be of a + // function other calls already reach, with its arity. + const counts = new Map(); + for (const { callee } of before.calls) counts.set(callee, (counts.get(callee) ?? 0) + 1); + for (const { callee, args } of after.calls) { + const left = counts.get(callee) ?? 0; + if (left > 0) { + counts.set(callee, left - 1); + continue; + } + const target = functions.get(callee); + if (!called.has(callee) || target === undefined || target.params.length !== args) + throw new Int32RevisionConflict(name); + reads(`ret:${callee}`, name); + } + for (const left of counts.values()) if (left > 0) throw new Int32RevisionConflict(name); + functions.set(name, next); + } + }; const provenByFunction = new Map(); // Each function's parameter and result writes under its latest analysis: // at the fixpoint, the ranges of every write under the final facts. @@ -1337,6 +1497,8 @@ export function analyzeInt32Slots(mod: IrModule, inputs: Int32SlotInputs = {}): for (const id of globalArrays) both.add(id); arrays = both; } + // Functions whose candidates this visit drops, revised after it. + const revised = new Set(); if (arrays && arrayGroups) { const requeue = (name: string): void => { if (queued.has(name)) return; @@ -1371,9 +1533,39 @@ export function analyzeInt32Slots(mod: IrModule, inputs: Int32SlotInputs = {}): checkableInt32Allocations(fn, id) ) slots.checkedInt32Arrays.add(key); - else for (const member of group) reason(`array:${member}`, "an element store is not int32"); + else { + for (const member of group) reason(`array:${member}`, "an element store is not int32"); + if (inputs.revise !== undefined) { + // The revised module no longer marks the group: its functions + // leave the candidate sets the visits below consult. + for (const member of group) { + dropped.add(member); + if (member.startsWith("\0")) { + globalArrays.delete(member.slice(1)); + const names = arrayGroups.globalReaders.get(member); + if (names) for (const name of names) revised.add(name); + } else { + const cut = member.indexOf("\0"); + const owner = member.slice(0, cut); + const ids = arrayCandidates.get(owner); + ids?.delete(member.slice(cut + 1)); + if (ids?.size === 0) arrayCandidates.delete(owner); + revised.add(owner); + } + } + globalArrayFunctions.clear(); + for (const [member, names] of arrayGroups.globalReaders) + if (!dropped.has(member)) for (const name of names) globalArrayFunctions.add(name); + } + } } } + if (revised.size > 0) { + revise(revised); + // A revised body is analyzed again (it was queued with its readers); + // the writes of the body it replaces no longer count. + if (functions.get(fn.name) !== fn) continue; + } // An int32 written into a slot still assumed non-negative: widen the // assumption when the value may be negative, and reanalyze its readers. const settle = (slot: string, e: IrExpr): void => { diff --git a/packages/compiler/src/ir/ir.ts b/packages/compiler/src/ir/ir.ts index 251d14904..19a5be71d 100644 --- a/packages/compiler/src/ir/ir.ts +++ b/packages/compiler/src/ir/ir.ts @@ -87,7 +87,16 @@ export type IrType = | { kind: "date" } | { kind: "string" } // heap, refcounted, UTF-8 | { kind: "bool" } - | { kind: "array"; elem: IrType } // heap, refcounted, monomorphic elements + | { + kind: "array"; + elem: IrType; + /** A `(T | undefined)[]` of a number, string or boolean T, stored as + * T elements (which hold a present undefined by their state). Not + * part of the type's identity (typeEquals, typeKey): it only lets a + * checked conversion from a dynamic value accept undefined + * elements. */ + optionalElements?: true; + } // heap, refcounted, monomorphic elements /** ES `Map` — heap, refcounted, insertion-ordered hash map with ONE * runtime representation (ScrMap) and type-directed key/value handling, * exactly the array pattern (never per-instantiation structs). Keys use @@ -3940,7 +3949,7 @@ export type IrExpr = } /** Standard-library call (`process` members, node:fs functions). `fn` is a * closed union; arg/result types are fixed per member (validated against - * LIB_FN_SIGS). Property READS (`process.argv`, `process.platform`) are + * libFnSignatures()). Property READS (`process.argv`, `process.platform`) are * zero-arg libCalls. Args are BORROWED by the operation (frame temps * release at statement end); refcounted results come back owned (+1) — * `process.argv` returns +1 on ONE interned array (JS identity: diff --git a/packages/compiler/src/ir/validate.ts b/packages/compiler/src/ir/validate.ts index eba319f85..bbb79438d 100644 --- a/packages/compiler/src/ir/validate.ts +++ b/packages/compiler/src/ir/validate.ts @@ -66,7 +66,7 @@ import { import { unionWideningTags } from "./analysis.js"; import { alwaysReturns } from "./control-flow.js"; import { dynamicOperationOf, functionTier } from "./tiers.js"; -import { LIB_FN_SIGS, pipelinePumpedRuns } from "./builtin-signatures.js"; +import { libFnSignatures, pipelinePumpedRuns } from "./builtin-signatures.js"; import { ALWAYS_THROW_LIB_FNS } from "./builtin-effects.js"; /** The promisified crypto calls' value kinds besides checked-dynamic. */ @@ -2072,12 +2072,18 @@ function validateFunction( } case "arrayNewLen": { // Mapper-less Array.from({length: n}): absent-slot fill exists - // only for refcounted element kinds (frontend fences scalars). + // only for refcounted element kinds. Number and boolean slots are + // filled with present undefined values right after + // (`(T | undefined)[]`); the frontend fences other scalar uses. if (e.type.kind !== "array") { err(`arrayNewLen must be array-typed, got ${e.type.kind}`, e.loc); break; } - if (!isRefCounted(e.type.elem)) { + if ( + !isRefCounted(e.type.elem) && + e.type.elem.kind !== "f64" && + e.type.elem.kind !== "bool" + ) { err( `arrayNewLen with non-refcounted ${e.type.elem.kind} elements (no absent value)`, e.loc, @@ -4104,7 +4110,7 @@ function validateFunction( } if (e.fn === "worker.new" && !workers) errors.push({ message: "Worker construction requires worker execution mode", loc: e.loc }); - const sig = LIB_FN_SIGS[e.fn]; + const sig = libFnSignatures()[e.fn]; if (!sig) { err(`libCall of unknown library function "${e.fn as string}"`, e.loc); return; diff --git a/packages/compiler/src/library/fence-eval.ts b/packages/compiler/src/library/fence-eval.ts index 8b0450857..a950b3990 100644 --- a/packages/compiler/src/library/fence-eval.ts +++ b/packages/compiler/src/library/fence-eval.ts @@ -56,9 +56,9 @@ import { } from "../coverage/surface-manifest.js"; import { libFenceDiag, type ScrDiagnostic } from "../diagnostics/diagnostic.js"; import { - AMBIENT_SURFACE_FNS, + ambientSurfaceFns, BUILTIN_MODULE_CONSTS, - BUILTIN_MODULE_FNS, + builtinModuleFns, BUILTIN_MODULE_FN_ALIASES, STATIC_MATH_FNS, STATIC_MATH_PROPS, @@ -125,7 +125,7 @@ interface FenceTaxonomy { /** node-builtin constant ids: reads fold to literals at compile time. */ foldedIds: Set; /** Ambient dedicated-path surfaces (Date/perf_hooks/process): manifest - * id → the libCall spellings witnessing reach (AMBIENT_SURFACE_FNS — + * id → the libCall spellings witnessing reach (ambientSurfaceFns() — * the same rows the manifest projects the entries from). */ ambientFns: Map; } @@ -148,7 +148,7 @@ function fenceTaxonomy(): FenceTaxonomy { const builtinFns = new Map(); const builtinRoots = new Map(); const foldedIds = new Set(); - for (const [mod, members] of Object.entries(BUILTIN_MODULE_FNS)) { + for (const [mod, members] of Object.entries(builtinModuleFns())) { const root = new Set(); for (const [member, entry] of Object.entries(members!)) { if (entry === undefined) continue; @@ -156,7 +156,7 @@ function fenceTaxonomy(): FenceTaxonomy { // The bare-path and url tables rebind per TARGET platform // (builtinModuleFnsOf): a fence on the bare id covers both flavors. if (mod === "path") { - const w = BUILTIN_MODULE_FNS["path/win32"]?.[member]; + const w = builtinModuleFns()["path/win32"]?.[member]; if (w !== undefined) fns.add(w.fn); } if (mod === "url" && member === "pathToFileURL") fns.add("url.pathToFileURLWin32"); @@ -173,7 +173,7 @@ function fenceTaxonomy(): FenceTaxonomy { } for (const member of Object.keys(STATIC_MATH_PROPS)) foldedIds.add(`stdlib.math.${member}`); const ambientFns = new Map( - AMBIENT_SURFACE_FNS.map((row) => [row.id, row.fns as readonly string[]]), + ambientSurfaceFns().map((row) => [row.id, row.fns as readonly string[]]), ); taxonomy = { byId, diff --git a/packages/compiler/src/native/cli.ts b/packages/compiler/src/native/cli.ts index b729b2557..b3de05846 100644 --- a/packages/compiler/src/native/cli.ts +++ b/packages/compiler/src/native/cli.ts @@ -21,6 +21,7 @@ import { checkerExecutableIdentity, setLibDiagnosticsStore, } from "../frontend/ts7/lib-diagnostics.js"; +import { setCheckerFeatureStore } from "../frontend/ts7/checker-features.js"; import { loadNativeToolchain } from "./toolchain.js"; import { buildSanitizedRuntime } from "./sanitizer.js"; import { runCompilerTask } from "./task.js"; @@ -67,6 +68,11 @@ async function main(): Promise { }, checkerExecutableIdentity(toolchain.ts7Executable), ); + setCheckerFeatureStore({ + read: (key) => + store.read("checker-features", key, NATIVE_STRING_BYTES)?.toString("utf8") ?? null, + write: (key, text) => store.write("checker-features", key, text), + }); } compiler = new NativeCompiler(toolchain, cache); return compiler; diff --git a/packages/compiler/src/native/compiler.ts b/packages/compiler/src/native/compiler.ts index 8710d31b6..ff49e2ac9 100644 --- a/packages/compiler/src/native/compiler.ts +++ b/packages/compiler/src/native/compiler.ts @@ -112,7 +112,7 @@ export class NativeCompiler { private readonly cache: NativeCache | null = null, ) { const evaluator = toolchain.comptimeExecutable; - this.frontend = (entry, npmStatic, externalTypes, libraryNpmStatic) => + this.frontend = (entry, npmStatic, externalTypes, libraryNpmStatic, options) => runNativeFrontend( entry, toolchain.ts7Executable, @@ -123,6 +123,7 @@ export class NativeCompiler { : (source, timeout) => evaluateNativeComptime(source, timeout, toolchain.ts7Executable, evaluator), libraryNpmStatic, + options, ); } diff --git a/packages/compiler/src/native/prepare.test.ts b/packages/compiler/src/native/prepare.test.ts index 5d0f9faae..07698820e 100644 --- a/packages/compiler/src/native/prepare.test.ts +++ b/packages/compiler/src/native/prepare.test.ts @@ -1,7 +1,7 @@ import { mkdirSync, mkdtempSync, readdirSync, readFileSync, rmSync, writeFileSync } from "node:fs"; import { tmpdir } from "node:os"; import { join } from "node:path"; -import { afterEach, expect, test } from "vitest"; +import { afterEach, expect, test, vi } from "vitest"; import { LINUX_ARM64_GNU_TARGET, nativeCodegenTarget, @@ -23,6 +23,7 @@ function text(input: ReturnType["prepare"]>) { const scratch: string[] = []; afterEach(() => { + vi.unstubAllEnvs(); for (const path of scratch.splice(0)) rmSync(path, { recursive: true, force: true }); }); @@ -197,6 +198,30 @@ test("structurally invalid cached features cause a rebuild even with a valid dig expect(f.loads()).toBe(2); }); +test("timing, cache placement and emission worker variables keep the frontend output", () => { + for (const name of [ + "SCRIPTC_CACHE_DIR", + "SCRIPTC_CACHE_MAX_MB", + "SCRIPTC_EMIT_WORKERS", + "SCRIPTC_EMIT_WORKER_FUNCTIONS", + "SCRIPTC_TIMING", + "SCRIPTC_TEST_FRONTEND_KEY", + ]) + vi.stubEnv(name, undefined); + const f = fixture(); + expect(f.prepare().ok).toBe(true); + vi.stubEnv("SCRIPTC_CACHE_DIR", f.cache.root); + vi.stubEnv("SCRIPTC_CACHE_MAX_MB", "8192"); + vi.stubEnv("SCRIPTC_EMIT_WORKERS", "1"); + vi.stubEnv("SCRIPTC_EMIT_WORKER_FUNCTIONS", "100"); + vi.stubEnv("SCRIPTC_TIMING", "0"); + expect(f.prepare().ok).toBe(true); + expect(f.loads()).toBe(1); + vi.stubEnv("SCRIPTC_TEST_FRONTEND_KEY", "1"); + expect(f.prepare().ok).toBe(true); + expect(f.loads()).toBe(2); +}); + test("serialized IR travels as bounded parts through the frontend cache", () => { const f = fixture(); const first = f.prepare({ emitIr: true }); diff --git a/packages/compiler/src/native/prepare.ts b/packages/compiler/src/native/prepare.ts index a10d16585..11b8f9dd1 100644 --- a/packages/compiler/src/native/prepare.ts +++ b/packages/compiler/src/native/prepare.ts @@ -211,6 +211,24 @@ function implementationIdentity(toolchain: NativeToolchain): string { ); } +/** SCRIPTC_* variables that report on a build, place its cache or set + * backend emission parallelism. The frontend's output does not depend on + * them, so they are left out of its cache key. */ +const FRONTEND_INDEPENDENT_VARIABLES = new Set([ + "SCRIPTC_CACHE_DIR", + "SCRIPTC_CACHE_MAX_MB", + "SCRIPTC_EMIT_WORKERS", + "SCRIPTC_EMIT_WORKER_FUNCTIONS", + "SCRIPTC_TIMING", +]); + +/** The SCRIPTC_* variables a frontend cache entry depends on, sorted by name. */ +function frontendEnvironment(): [string, string | undefined][] { + return Object.entries(process.env) + .filter(([name]) => name.startsWith("SCRIPTC_") && !FRONTEND_INDEPENDENT_VARIABLES.has(name)) + .sort(([a], [b]) => a.localeCompare(b)); +} + function validFeatures(value: unknown): value is NativeLinkFeatures { if (value === null || typeof value !== "object" || Array.isArray(value)) return false; const features = value as Record; @@ -363,9 +381,7 @@ export function prepareNativeExecutable( implementation: implementationIdentity(toolchain), target: toolchain.target.name, declarations: toolchain.declarationsRoot ?? null, - environment: Object.entries(process.env) - .filter(([name]) => name.startsWith("SCRIPTC_")) - .sort(([a], [b]) => a.localeCompare(b)), + environment: frontendEnvironment(), }), ); const cached = readFrontendCache(cache, key, exclusions); @@ -493,9 +509,7 @@ export function prepareNativeLibrary( implementation: implementationIdentity(toolchain), target: toolchain.target.name, declarations: toolchain.declarationsRoot ?? null, - environment: Object.entries(process.env) - .filter(([name]) => name.startsWith("SCRIPTC_")) - .sort(([a], [b]) => a.localeCompare(b)), + environment: frontendEnvironment(), }), ); const cached = readFrontendCache(cache, key, exclusions); diff --git a/packages/compiler/src/node-islands/classify.ts b/packages/compiler/src/node-islands/classify.ts new file mode 100644 index 000000000..c41b9437c --- /dev/null +++ b/packages/compiler/src/node-islands/classify.ts @@ -0,0 +1,131 @@ +/* Diagnostic → Node island class (DESIGN.md §1.3). A refusal in a module + * of an npm package is a reason for that package to run in a Node island; + * its class says why: the runtime itself (R1), a mutable object model (R2), + * a shipping problem (packaging), or a construct inside the native subset + * that scriptc cannot compile yet (gap). The reason id on the diagnostic + * (ScrDiagnostic.reason) decides first; the code and message decide for + * refusal sites that do not carry one. */ +import type { ScrDiagnostic } from "../diagnostics/diagnostic.js"; +import type { NodeIslandMarker } from "./detect.js"; +import { classOfRule, ruleInfo, ruleOfReason } from "./rules.js"; +import type { RefusalRecord } from "./scan.js"; +import type { NodeIslandReason, NodeIslandReasonSource } from "./summary.js"; + +/** Message shapes of refusal sites that predate reason ids. */ +const MESSAGE_REASONS: { code: string; pattern: RegExp; reason: string }[] = [ + { code: "SC2010", pattern: /./, reason: "code-from-string" }, + { code: "SC1010", pattern: /'(?:node:)?vm'/, reason: "vm" }, + { code: "SC1090", pattern: /^dynamic import\(\) of computed/, reason: "dynamic-import" }, + { code: "SC1090", pattern: /require\(\) with a computed specifier/, reason: "dynamic-require" }, + { code: "SC1090", pattern: /'with' statement/, reason: "with" }, + { code: "SC1090", pattern: /sloppy-mode parameter aliases/, reason: "sloppy-arguments" }, + { code: "SC2020", pattern: /^'(?:eval|Function)'/, reason: "code-from-string" }, + { + code: "SC2020", + pattern: /createRequire's require with this argument shape/, + reason: "dynamic-require", + }, + { code: "SC2020", pattern: /native addon/, reason: "native-addon" }, + { + code: "SC2020", + pattern: /through require\.cache|require\.extensions|Module\._|module\.register/, + reason: "loader-hook", + }, + { + code: "SC2020", + pattern: /process\.binding|_linkedBinding|internalBinding|setFlagsFromString/, + reason: "engine-internal", + }, + { code: "SC2020", pattern: /\bWeakRef\b|\bFinalizationRegistry\b/, reason: "weak-ref" }, + { code: "SC1100", pattern: /\bWeakRef\b|\bFinalizationRegistry\b/, reason: "weak-ref" }, +]; + +function reasonIdOf(d: ScrDiagnostic): string | null { + if (d.reason !== undefined) return d.reason; + for (const entry of MESSAGE_REASONS) { + if (entry.code === d.code && entry.pattern.test(d.message)) return entry.reason; + } + return null; +} + +/** Codes that are not reasons of the package they appear in: a cascade + * marker repeats a root cause, an import of another refused package is + * that package's island boundary, and divergences compile. */ +export function isIslandReasonCode(code: string): boolean { + if (code === "SC2004" || code === "SC2013") return false; + if (/^SC6\d{3}$/.test(code)) return false; + return true; +} + +export function classifyDiagnostic( + d: ScrDiagnostic, + source: NodeIslandReasonSource, +): NodeIslandReason { + const id = reasonIdOf(d); + const rule = id === null ? null : ruleOfReason(id); + if (rule !== null && id !== null) { + return { + class: classOfRule(rule), + rule, + reason: id, + code: d.code, + message: d.message, + loc: d.loc, + source, + }; + } + return { + class: "gap", + rule: null, + reason: "gap", + code: d.code, + message: d.message, + loc: d.loc, + source, + }; +} + +export function classifyMarker(m: NodeIslandMarker): NodeIslandReason { + return { + class: classOfRule(m.rule), + rule: m.rule, + reason: m.reason, + code: null, + message: `${ruleInfo(m.rule).title}: ${m.construct}`, + loc: m.loc, + source: "pre-scan", + }; +} + +/** A refused package's status (pipeline.ts): the drop-and-reload record + * when there is one, else the declaration and shipped-JS eligibility bar, + * which is a packaging reason. */ +export function classifyRefusal( + detail: string, + record: RefusalRecord | null, +): NodeIslandReason | null { + if (record !== null && record.kind === "external") return null; + if (record !== null && record.kind === "preflight" && record.diag !== null) { + return classifyDiagnostic(record.diag, "package"); + } + if (record !== null && record.kind === "offender" && /require|createRequire/.test(detail)) { + return { + class: "runtime", + rule: "R1.2", + reason: "dynamic-require", + code: "SC2013", + message: detail, + loc: null, + source: "package", + }; + } + return { + class: "packaging", + rule: null, + reason: "packaging", + code: "SC2013", + message: detail, + loc: null, + source: "package", + }; +} diff --git a/packages/compiler/src/node-islands/detect.test.ts b/packages/compiler/src/node-islands/detect.test.ts new file mode 100644 index 000000000..2a21395da --- /dev/null +++ b/packages/compiler/src/node-islands/detect.test.ts @@ -0,0 +1,165 @@ +import { afterAll, describe, expect, test } from "vitest"; +import { closeSourceParser, parseSourceFile } from "../frontend/ts7/source-parser-node.js"; +import { scanModule } from "./detect.js"; + +afterAll(() => closeSourceParser()); + +let serial = 0; +/** The markers of one JavaScript module as `rule reason` strings. */ +function markers(source: string, ext = "cjs"): string[] { + const sf = parseSourceFile(`/virtual/m${serial++}.${ext}`, source, "js"); + return scanModule(sf).map((m) => `${m.rule} ${m.reason}`); +} + +describe("R1 runtime markers", () => { + test("R1.1 code from strings", () => { + expect(markers("eval(code);")).toEqual(["R1.1 code-from-string"]); + expect(markers("(0, eval)(code);")).toEqual(["R1.1 code-from-string"]); + expect(markers("const f = new Function('a', 'return a');")).toEqual(["R1.1 code-from-string"]); + expect(markers("const f = Function('a', body);")).toEqual(["R1.1 code-from-string"]); + expect(markers("const vm = require('node:vm');")).toEqual(["R1.1 vm"]); + expect(markers("import vm from 'vm';", "mjs")).toEqual(["R1.1 vm"]); + }); + + test("R1.1 exceptions: the global-object idiom and a capability probe in try", () => { + expect(markers("const g = Function('return this')();")).toEqual([]); + expect(markers("let ok; try { new Function(''); ok = true; } catch { ok = false; }")).toEqual( + [], + ); + }); + + test("R1.2 dynamic module loading", () => { + expect(markers("require(name);")).toEqual(["R1.2 dynamic-require"]); + expect(markers("import(`./${x}.js`);", "mjs")).toEqual(["R1.2 dynamic-import"]); + expect(markers("const r = createRequire(import.meta.url); r(spec);", "mjs")).toEqual([ + "R1.2 dynamic-require", + ]); + expect(markers("require('./a' + '.js'); require.resolve(name); import('./b.js');")).toEqual([]); + }); + + test("R1.3 native addons", () => { + expect(markers("require('./build/addon.node');")).toEqual(["R1.3 native-addon"]); + expect(markers("const b = require('bindings')('addon');")).toEqual(["R1.3 native-addon"]); + expect(markers("process.dlopen(module, path);")).toEqual(["R1.3 native-addon"]); + }); + + test("R1.4 loader and require hooks", () => { + expect(markers("require.extensions['.coffee'] = compile;")).toEqual(["R1.4 loader-hook"]); + expect(markers("delete require.cache[key];")).toEqual(["R1.4 loader-hook"]); + expect(markers("const Module = require('module'); Module._load = load;")).toEqual([ + "R1.4 loader-hook", + ]); + expect(markers("const m = require('node:module'); m.registerHooks({});")).toEqual([ + "R1.4 loader-hook", + ]); + expect(markers("require('require-in-the-middle');")).toEqual(["R1.4 loader-hook"]); + }); + + test("R1.5 engine internals", () => { + expect(markers("process.binding('fs');")).toEqual(["R1.5 engine-internal"]); + expect(markers("const v8 = require('v8'); v8.setFlagsFromString('--x');")).toEqual([ + "R1.5 engine-internal", + ]); + expect(markers("global.gc();")).toEqual(["R1.5 engine-internal"]); + }); + + test("R1.6 runtime-only globals", () => { + expect(markers("const r = new WeakRef(o);")).toEqual(["R1.6 weak-ref"]); + expect(markers("const f = new FinalizationRegistry(cb);")).toEqual(["R1.6 weak-ref"]); + expect(markers("if (typeof WeakRef !== 'undefined') {}")).toEqual([]); + expect(markers("const o = { WeakRef: 1 }; o.WeakRef;")).toEqual([]); + }); +}); + +describe("R2 object-model markers", () => { + test("R2.1 constructor functions", () => { + expect(markers("function F() {} const f = new F();")).toEqual(["R2.1 constructor-function"]); + expect(markers("function F() {} F.prototype.m = function () {};")).toEqual([ + "R2.1 constructor-function", + ]); + expect(markers("const util = require('util'); util.inherits(A, B);")).toEqual([ + "R2.1 constructor-function", + ]); + expect(markers("function Child() { Parent.call(this, 1); }")).toEqual([ + "R2.1 constructor-function", + ]); + expect(markers("class C {} const c = new C();")).toEqual([]); + expect( + markers("function wrap(fn) { return function () { return fn.apply(this, arguments); }; }"), + ).toEqual([]); + }); + + test("R2.2 prototype mutation", () => { + expect(markers("Object.setPrototypeOf(a, b);")).toEqual(["R2.2 prototype-write"]); + expect(markers("o.__proto__ = p;")).toEqual(["R2.2 prototype-write"]); + expect(markers("const o = { __proto__: base };")).toEqual(["R2.2 prototype-write"]); + // The transpiled-Error idiom and null-prototype dictionaries stay. + expect( + markers( + "class E extends Error { constructor() { super(); Object.setPrototypeOf(this, E.prototype); } }", + ), + ).toEqual([]); + expect(markers("const d = { __proto__: null };")).toEqual([]); + }); + + test("R2.3 shape mutation outside the checker's view", () => { + expect(markers("Object.defineProperty(o, 'k', { get() { return 1; } });")).toEqual([ + "R2.3 define-property", + ]); + expect(markers("class C {} C.prototype.extra = 1;")).toEqual(["R2.3 define-property"]); + // Module objects and interop helpers build module records. + expect(markers("Object.defineProperty(exports, '__esModule', { value: true });")).toEqual([]); + expect( + markers( + "var __createBinding = function (o, m, k) { Object.defineProperty(o, k, { enumerable: true, get: function () { return m[k]; } }); };", + ), + ).toEqual([]); + }); + + test("R2.4 sloppy-mode semantics", () => { + expect(markers("with (o) { x; }")).toEqual(["R2.4 with"]); + expect(markers("function f(a) { arguments[0] = 1; return a; }")).toEqual([ + "R2.4 sloppy-arguments", + ]); + expect(markers("function f(a) { a = 2; return arguments[0]; }")).toEqual([ + "R2.4 sloppy-arguments", + ]); + expect(markers("function f() { return arguments.callee; }")).toEqual(["R2.4 sloppy-arguments"]); + expect(markers("var n = 010;")).toEqual(["R2.4 sloppy-mode"]); + expect(markers("var x = 1; delete x;")).toEqual(["R2.4 sloppy-mode"]); + // Strict code: a prologue, an ES module, a class body. + expect(markers("'use strict'; function f(a) { a = 2; return arguments[0]; }")).toEqual([]); + expect(markers("export function f(a) { a = 2; return arguments[0]; }", "mjs")).toEqual([]); + expect(markers("class C { m(a) { a = 2; return arguments[0]; } }")).toEqual([]); + }); + + test("R2.5 builtin and global patching", () => { + expect(markers("Array.prototype.last = function () {};")).toEqual(["R2.5 builtin-write"]); + expect(markers("Promise = Bluebird;")).toEqual(["R2.5 builtin-write"]); + expect(markers("globalThis.fetch = f;")).toEqual(["R2.5 builtin-write"]); + expect(markers("const fs = require('fs'); fs.close = patched;")).toEqual([ + "R2.5 builtin-write", + ]); + expect(markers("const p = new Proxy(t, h);")).toEqual(["R2.5 proxy"]); + // Modeled process state and tuning knobs stay; so do redeclared names. + expect( + markers("process.exitCode = 1; process.env.X = 'y'; Error.stackTraceLimit = 50;"), + ).toEqual([]); + expect(markers("var Promise = require('bluebird'); Promise.config = {};")).toEqual([]); + }); +}); + +test("markers come back in source order with their locations", () => { + const source = "Object.setPrototypeOf(a, b);\neval(x);\n"; + const sf = parseSourceFile(`/virtual/order${serial++}.cjs`, source, "js"); + const found = scanModule(sf); + expect(found.map((m) => [m.rule, source.slice(m.loc.start, m.loc.end)])).toEqual([ + ["R2.2", "Object.setPrototypeOf(a, b)"], + ["R1.1", "eval(x)"], + ]); +}); + +test("computed writes keep the member they write through", () => { + expect(markers("process.env[key] = value;")).toEqual([]); + expect(markers("Array.prototype[name] = fn;")).toEqual(["R2.5 builtin-write"]); +}); diff --git a/packages/compiler/src/node-islands/detect.ts b/packages/compiler/src/node-islands/detect.ts new file mode 100644 index 000000000..f612d58e5 --- /dev/null +++ b/packages/compiler/src/node-islands/detect.ts @@ -0,0 +1,849 @@ +/* The pre-scan (DESIGN.md §1.4, phase 1): a syntactic walk over one + * JavaScript module that finds the R1 (runtime) and R2 (object-model) + * markers of rules.ts. It is a fast path and a source of good reasons; it + * never decides alone that a module is native, and the authoritative signal + * stays the lowering's refusals (classify.ts). + * + * Every check is local to the file: a name is a "function" when the file + * declares it as a function, a builtin global when the file does not + * declare it at all, and a builtin module object when the file binds it to + * require("") or imports it from one. Checker-dependent parts of + * R2.3 (writes the declared type does not cover, freeze followed by writes) + * and R2.4 (assignments to undeclared identifiers, `this` as the global + * object) are left to the lowering. */ +import type { SrcLoc } from "../ir/ir.js"; +import * as ts from "../frontend/ts7/adapter.js"; +import { SUPPORTED_BUILTIN_MODULES } from "../frontend/builtin-modules.js"; +import type { NodeIslandRule } from "./rules.js"; + +export interface NodeIslandMarker { + rule: NodeIslandRule; + /** The reason id (rules.ts). */ + reason: string; + /** The construct, as a short phrase for messages. */ + construct: string; + loc: SrcLoc; +} + +/** Markers past this count in one module add nothing to a report. */ +const MARKER_CAP = 64; + +const BUILTIN_GLOBALS = new Set([ + "Object", + "Array", + "String", + "Number", + "Boolean", + "Function", + "Symbol", + "BigInt", + "Promise", + "Error", + "TypeError", + "RangeError", + "SyntaxError", + "ReferenceError", + "EvalError", + "URIError", + "AggregateError", + "Map", + "Set", + "WeakMap", + "WeakSet", + "RegExp", + "Date", + "Math", + "JSON", + "Reflect", + "Intl", + "ArrayBuffer", + "SharedArrayBuffer", + "DataView", + "Uint8Array", + "Int8Array", + "Uint16Array", + "Int16Array", + "Uint32Array", + "Int32Array", + "Float32Array", + "Float64Array", + "BigInt64Array", + "BigUint64Array", + "Uint8ClampedArray", + "Buffer", + "process", + "console", + "globalThis", + "global", + "URL", + "URLSearchParams", + "TextEncoder", + "TextDecoder", + "AbortController", + "AbortSignal", + "EventTarget", + "Event", + "fetch", + "setTimeout", + "setInterval", + "setImmediate", + "clearTimeout", + "clearInterval", + "clearImmediate", + "queueMicrotask", + "structuredClone", +]); + +/** Writes to builtin members that the native subset models (process + * state, tuning knobs). */ +const ALLOWED_BUILTIN_WRITES = new Set([ + "process.exitCode", + "process.title", + "process.env", + "Error.stackTraceLimit", + "Buffer.poolSize", + "events.defaultMaxListeners", + "events.EventEmitter.defaultMaxListeners", + "EventEmitter.defaultMaxListeners", +]); + +const ADDON_LOADERS = new Set([ + "bindings", + "node-gyp-build", + "node-pre-gyp", + "@mapbox/node-pre-gyp", + "prebuild-install", + "node-gyp-build-optional-packages", +]); + +const LOADER_HOOK_PACKAGES = new Set(["import-in-the-middle", "require-in-the-middle"]); + +function builtinModuleName(spec: string): string | null { + const bare = spec.startsWith("node:") ? spec.slice(5) : spec; + if ((SUPPORTED_BUILTIN_MODULES as readonly string[]).includes(bare)) return bare; + if (bare === "vm" || bare === "v8" || bare === "module" || bare === "inspector") return bare; + return null; +} + +function literalText(node: ts.Node | undefined): string | null { + if (node === undefined) return null; + if (ts.isStringLiteral(node) || ts.isNoSubstitutionTemplateLiteral(node)) return node.text; + return null; +} + +/** A specifier that folds at build time: a literal, or a concatenation of + * literals. */ +function isFoldableSpecifier(node: ts.Node): boolean { + if (literalText(node) !== null) return true; + if (ts.isParenthesizedExpression(node)) return isFoldableSpecifier(node.expression); + if (ts.isBinaryExpression(node) && node.operatorToken.kind === ts.SyntaxKind.PlusToken) + return isFoldableSpecifier(node.left) && isFoldableSpecifier(node.right); + return false; +} + +function isAssignmentOperator(kind: ts.SyntaxKind): boolean { + return kind >= ts.SyntaxKind.FirstAssignment && kind <= ts.SyntaxKind.LastAssignment; +} + +function propertyName(node: ts.Node): string | null { + if (ts.isPropertyAccessExpression(node)) { + const name = node.name; + return ts.isIdentifier(name) ? name.text : null; + } + if (ts.isElementAccessExpression(node)) return literalText(node.argumentExpression); + return null; +} + +/** `a.b.c` as "a.b.c" (element accesses with literal keys included), or + * null when the chain has a computed key or does not start at a name. */ +function chainText(node: ts.Node): string | null { + if (ts.isIdentifier(node)) return node.text; + if (node.kind === ts.SyntaxKind.ThisKeyword) return "this"; + if (ts.isParenthesizedExpression(node)) return chainText(node.expression); + if (ts.isPropertyAccessExpression(node) || ts.isElementAccessExpression(node)) { + const base = chainText(node.expression); + const name = propertyName(node); + if (base === null || name === null) return null; + return `${base}.${name}`; + } + return null; +} + +/** Like chainText, with computed keys spelled `[…]`: `process.env[…]`. */ +function memberText(node: ts.Node): string | null { + const text = chainText(node); + if (text !== null) return text; + if (ts.isElementAccessExpression(node)) { + const base = memberText(node.expression); + return base === null ? null : `${base}[…]`; + } + if (ts.isPropertyAccessExpression(node)) { + const base = memberText(node.expression); + const name = propertyName(node); + return base === null || name === null ? null : `${base}.${name}`; + } + return null; +} + +/** The identifier a member chain starts at (`a` of `a.b[c].d`). */ +function chainRoot(node: ts.Node): ts.Identifier | null { + let cur = node; + for (;;) { + if (ts.isIdentifier(cur)) return cur; + if (ts.isPropertyAccessExpression(cur) || ts.isElementAccessExpression(cur)) { + cur = cur.expression; + continue; + } + if (ts.isParenthesizedExpression(cur)) { + cur = cur.expression; + continue; + } + return null; + } +} + +function hasUseStrict(statements: readonly ts.Node[]): boolean { + for (const stmt of statements) { + if (!ts.isExpressionStatement(stmt)) return false; + const text = literalText(stmt.expression); + if (text === null) return false; + if (text === "use strict") return true; + } + return false; +} + +/** ES module syntax at the top level (static import or export): the + * module is strict. The parser's module indicator is not used, since it + * also marks CommonJS files under forced module detection. */ +function hasEsmSyntax(sf: ts.SourceFile): boolean { + for (const stmt of sf.statements.nodes) { + if (ts.isImportDeclaration(stmt) || ts.isExportDeclaration(stmt)) return true; + if (ts.isExportAssignment(stmt)) return true; + const head = sf.text.slice(ts.tokenStartOfNode(stmt), ts.tokenStartOfNode(stmt) + 7); + if (head === "export ") return true; + } + return false; +} + +function isFunctionBoundary(node: ts.Node): boolean { + return ( + ts.isFunctionDeclaration(node) || + ts.isFunctionExpression(node) || + ts.isMethodDeclaration(node) || + ts.isConstructorDeclaration(node) || + ts.isGetAccessorDeclaration(node) || + ts.isSetAccessorDeclaration(node) + ); +} + +/** One module's pre-scan. */ +class ModuleScanner { + readonly markers: NodeIslandMarker[] = []; + /** Every name the file declares (any scope): a builtin global the file + * redeclares is not the builtin. */ + private readonly declared = new Set(); + /** Names declared as functions (declarations and function-valued + * variables). */ + private readonly functions = new Set(); + private readonly classes = new Set(); + /** Local name → the builtin module (or `module.member`) it is bound to. */ + private readonly builtinBindings = new Map(); + /** Local names bound to a createRequire(...) result. */ + private readonly createdRequires = new Set(); + private readonly strictness = new Map(); + private readonly moduleStrict: boolean; + + constructor(private readonly sf: ts.SourceFile) { + const name = sf.fileName; + this.moduleStrict = + name.endsWith(".mjs") || + name.endsWith(".mts") || + hasEsmSyntax(sf) || + hasUseStrict(sf.statements.nodes); + } + + scan(): NodeIslandMarker[] { + this.collectDeclarations(); + ts.walkPreorder(this.sf, (node) => { + if (this.markers.length >= MARKER_CAP) return "stop"; + this.visit(node); + return undefined; + }); + return this.markers; + } + + private add(rule: NodeIslandRule, reason: string, construct: string, node: ts.Node): void { + if (this.markers.length >= MARKER_CAP) return; + this.markers.push({ + rule, + reason, + construct, + loc: { file: this.sf.fileName, start: ts.tokenStartOfNode(node), end: node.end }, + }); + } + + private bindName(name: ts.Node | undefined, init: ts.Node | undefined): void { + if (name === undefined) return; + if (ts.isIdentifier(name)) { + this.declared.add(name.text); + if (init === undefined) return; + let value = init; + while (ts.isParenthesizedExpression(value)) value = value.expression; + if (ts.isFunctionExpression(value) || ts.isArrowFunction(value)) + this.functions.add(name.text); + else if (ts.isClassExpression(value)) this.classes.add(name.text); + const bound = this.builtinOf(value); + if (bound !== null) this.builtinBindings.set(name.text, bound); + if (ts.isCallExpression(value) && this.isCreateRequireCallee(value.expression)) + this.createdRequires.add(name.text); + return; + } + if (ts.isObjectBindingPattern(name)) { + const base = init === undefined ? null : this.builtinOf(init); + for (const element of name.elements.nodes) { + if (!ts.isBindingElement(element)) continue; + const local = element.name; + if (local !== undefined && ts.isIdentifier(local) && base !== null) { + const key = element.propertyName; + const member = key !== undefined && ts.isIdentifier(key) ? key.text : local.text; + this.builtinBindings.set(local.text, `${base}.${member}`); + } + this.bindName(local, undefined); + } + return; + } + if (ts.isArrayBindingPattern(name)) { + for (const element of name.elements.nodes) { + if (ts.isBindingElement(element)) this.bindName(element.name, undefined); + } + } + } + + /** `require("fs")`, `require("node:util").inherits` → "fs", "util.inherits". */ + private builtinOf(node: ts.Node): string | null { + let value = node; + while (ts.isParenthesizedExpression(value)) value = value.expression; + if (ts.isCallExpression(value) && this.isRequireCallee(value.expression)) { + const spec = literalText(value.arguments.nodes[0]); + return spec === null ? null : builtinModuleName(spec); + } + if (ts.isPropertyAccessExpression(value)) { + const base = this.builtinOf(value.expression); + const name = propertyName(value); + return base === null || name === null ? null : `${base}.${name}`; + } + if (ts.isIdentifier(value)) return this.builtinBindings.get(value.text) ?? null; + return null; + } + + private isRequireCallee(node: ts.Node): boolean { + return ts.isIdentifier(node) && node.text === "require"; + } + + private isCreateRequireCallee(node: ts.Node): boolean { + if (ts.isIdentifier(node)) { + return ( + node.text === "createRequire" || + this.builtinBindings.get(node.text) === "module.createRequire" + ); + } + return propertyName(node) === "createRequire"; + } + + private collectDeclarations(): void { + ts.walkPreorder(this.sf, (node) => { + if (ts.isFunctionDeclaration(node) && node.name !== undefined) { + this.declared.add(node.name.text); + this.functions.add(node.name.text); + } else if (ts.isClassDeclaration(node) && node.name !== undefined) { + this.declared.add(node.name.text); + this.classes.add(node.name.text); + } else if (ts.isVariableDeclaration(node)) { + this.bindName(node.name, node.initializer); + } else if (ts.isParameter(node)) { + this.bindName(node.name, undefined); + } else if (ts.isImportDeclaration(node)) { + const spec = literalText(node.moduleSpecifier); + const module = spec === null ? null : builtinModuleName(spec); + const clause = node.importClause; + if (clause !== undefined) { + if (clause.name !== undefined) { + this.declared.add(clause.name.text); + if (module !== null) this.builtinBindings.set(clause.name.text, module); + } + const bindings = clause.namedBindings; + if (bindings !== undefined && ts.isNamespaceImport(bindings)) { + this.declared.add(bindings.name.text); + if (module !== null) this.builtinBindings.set(bindings.name.text, module); + } else if (bindings !== undefined && ts.isNamedImports(bindings)) { + for (const element of bindings.elements.nodes) { + this.declared.add(element.name.text); + const imported = element.propertyName; + const member = + imported !== undefined && ts.isIdentifier(imported) + ? imported.text + : element.name.text; + if (module !== null) + this.builtinBindings.set(element.name.text, `${module}.${member}`); + } + } + } + } + return undefined; + }); + } + + /** Whether the code at `node` runs in strict mode. */ + private isStrict(node: ts.Node): boolean { + if (this.moduleStrict) return true; + let cur: ts.Node | undefined = node.parent; + const visited: ts.Node[] = []; + let strict = false; + while (cur !== undefined) { + const known = this.strictness.get(cur); + if (known !== undefined) { + strict = known; + break; + } + visited.push(cur); + if (ts.isClassDeclaration(cur) || ts.isClassExpression(cur)) { + strict = true; + break; + } + if (isFunctionBoundary(cur) || ts.isArrowFunction(cur)) { + const body = (cur as ts.FunctionLikeDeclaration).body; + if (body !== undefined && ts.isBlock(body) && hasUseStrict(body.statements.nodes)) { + strict = true; + break; + } + } + cur = cur.parent; + } + for (const n of visited) this.strictness.set(n, strict); + return strict; + } + + private isGlobal(name: string): boolean { + return BUILTIN_GLOBALS.has(name) && !this.declared.has(name); + } + + private visit(node: ts.Node): void { + if (ts.isCallExpression(node)) this.visitCall(node); + else if (ts.isNewExpression(node)) this.visitNew(node); + else if (ts.isBinaryExpression(node) && isAssignmentOperator(node.operatorToken.kind)) + this.visitWrite(node.left, node, "write"); + else if (ts.isDeleteExpression(node)) this.visitDelete(node); + else if (ts.isPrefixUnaryExpression(node) || ts.isPostfixUnaryExpression(node)) { + if ( + node.operator === ts.SyntaxKind.PlusPlusToken || + node.operator === ts.SyntaxKind.MinusMinusToken + ) + this.visitWrite(node.operand, node, "write"); + } else if (ts.isWithStatement(node)) { + this.add("R2.4", "with", "a 'with' statement", node); + } else if (ts.isImportDeclaration(node)) { + const spec = literalText(node.moduleSpecifier); + if (spec !== null) this.visitSpecifier(spec, node); + } else if (ts.isIdentifier(node)) { + this.visitIdentifier(node); + } else if (ts.isNumericLiteral(node)) { + const text = this.sf.text.slice(ts.tokenStartOfNode(node), node.end); + if (/^0[0-9]+$/.test(text) && !this.isStrict(node)) + this.add("R2.4", "sloppy-mode", "a legacy octal literal", node); + } else if (ts.isPropertyAccessExpression(node)) { + const text = chainText(node); + if ((text === "arguments.callee" || text === "arguments.caller") && !this.isStrict(node)) + this.add("R2.4", "sloppy-arguments", `'${text}'`, node); + } else if (ts.isObjectLiteralExpression(node)) { + for (const prop of node.properties.nodes) { + if (!ts.isPropertyAssignment(prop)) continue; + const name = prop.name; + const key = ts.isIdentifier(name) || ts.isStringLiteral(name) ? name.text : null; + if (key === "__proto__" && prop.initializer.kind !== ts.SyntaxKind.NullKeyword) + this.add("R2.2", "prototype-write", "an object literal with a '__proto__' value", prop); + } + } else if (isFunctionBoundary(node)) { + this.visitFunction(node as ts.FunctionLikeDeclaration); + } + } + + private visitSpecifier(spec: string, node: ts.Node): void { + const builtin = builtinModuleName(spec); + if (builtin === "vm") this.add("R1.1", "vm", "the 'vm' module", node); + else if (spec.endsWith(".node")) + this.add("R1.3", "native-addon", `the native addon '${spec}'`, node); + else if (ADDON_LOADERS.has(spec)) + this.add("R1.3", "native-addon", `the native addon loader '${spec}'`, node); + else if (LOADER_HOOK_PACKAGES.has(spec)) + this.add("R1.4", "loader-hook", `the loader hook package '${spec}'`, node); + } + + private visitCall(call: ts.CallExpression): void { + const callee = call.expression; + const args = call.arguments.nodes; + const first = args[0]; + // import(e) and require(e) + if (callee.kind === ts.SyntaxKind.ImportKeyword) { + if (first !== undefined && !isFoldableSpecifier(first)) + this.add("R1.2", "dynamic-import", "import() with a computed specifier", call); + else if (first !== undefined) this.visitSpecifier(literalText(first) ?? "", call); + return; + } + if ( + this.isRequireCallee(callee) || + (ts.isIdentifier(callee) && this.createdRequires.has(callee.text)) + ) { + if (first !== undefined && !isFoldableSpecifier(first)) + this.add("R1.2", "dynamic-require", "require() with a computed specifier", call); + else if (first !== undefined) this.visitSpecifier(literalText(first) ?? "", call); + return; + } + if (ts.isCallExpression(callee) && this.isCreateRequireCallee(callee.expression)) { + if (first !== undefined && !isFoldableSpecifier(first)) + this.add("R1.2", "dynamic-require", "createRequire(...)() with a computed specifier", call); + return; + } + // eval, Function + let target = callee; + while (ts.isParenthesizedExpression(target)) target = target.expression; + if (ts.isBinaryExpression(target) && target.operatorToken.kind === ts.SyntaxKind.CommaToken) + target = target.right; + const text = chainText(target); + if (text === null) return; + if ( + (text === "eval" && !this.declared.has("eval")) || + text === "globalThis.eval" || + text === "global.eval" || + text === "window.eval" + ) { + this.add("R1.1", "code-from-string", "eval()", call); + return; + } + if (text === "Function" && this.isGlobal("Function")) { + this.visitFunctionConstructor(call, args); + return; + } + const root = chainRoot(target); + const rootBinding = root === null ? undefined : this.builtinBindings.get(root.text); + const resolved = + rootBinding !== undefined && root !== null + ? rootBinding + text.slice(root.text.length) + : text; + // engine internals + if ( + (text === "process.binding" || text === "process._linkedBinding") && + this.isGlobal("process") + ) { + this.add("R1.5", "engine-internal", `'${text}()'`, call); + return; + } + if (text === "internalBinding" && !this.declared.has("internalBinding")) { + this.add("R1.5", "engine-internal", "'internalBinding()'", call); + return; + } + if (resolved === "v8.setFlagsFromString" || text.endsWith(".setFlagsFromString")) { + this.add("R1.5", "engine-internal", "'v8.setFlagsFromString()'", call); + return; + } + if ((text === "global.gc" || text === "globalThis.gc") && this.isGlobal(text.split(".")[0]!)) { + this.add("R1.5", "engine-internal", `'${text}()'`, call); + return; + } + if (text === "process.dlopen" && this.isGlobal("process")) { + this.add("R1.3", "native-addon", "'process.dlopen()'", call); + return; + } + // loader hooks + if (resolved === "module.register" || resolved === "module.registerHooks") { + this.add("R1.4", "loader-hook", `'${resolved}()'`, call); + return; + } + // prototype mutation + if ( + (text === "Object.setPrototypeOf" && this.isGlobal("Object")) || + (text === "Reflect.setPrototypeOf" && this.isGlobal("Reflect")) + ) { + // The transpiled-Error idiom `Object.setPrototypeOf(this, …)` stays. + if (first !== undefined && first.kind !== ts.SyntaxKind.ThisKeyword) + this.add("R2.2", "prototype-write", `'${text}()'`, call); + return; + } + // defineProperty outside the module object and interop helpers + if ( + ((text === "Object.defineProperty" || text === "Object.defineProperties") && + this.isGlobal("Object")) || + (text === "Reflect.defineProperty" && this.isGlobal("Reflect")) + ) { + if (first !== undefined && !this.isModuleObject(first) && !this.inInteropHelper(call)) + this.add("R2.3", "define-property", `'${text}()'`, call); + return; + } + if (text.endsWith(".__defineGetter__") || text.endsWith(".__defineSetter__")) { + this.add("R2.3", "define-property", `'${text.slice(text.lastIndexOf(".") + 1)}()'`, call); + return; + } + // constructor functions + if ( + args.length === 2 && + (resolved === "util.inherits" || + (text === "inherits" && !this.functions.has("inherits")) || + text.endsWith(".inherits")) + ) { + this.add("R2.1", "constructor-function", `'${text}()'`, call); + return; + } + if ( + ts.isPropertyAccessExpression(target) && + (propertyName(target) === "call" || propertyName(target) === "apply") && + first !== undefined && + first.kind === ts.SyntaxKind.ThisKeyword && + ts.isExpressionStatement(call.parent!) + ) { + const fn = target.expression; + const name = ts.isIdentifier(fn) ? fn.text : null; + if (name !== null && /^[A-Z]/.test(name) && !this.classes.has(name)) + this.add( + "R2.1", + "constructor-function", + `'${name}.${propertyName(target)}(this, …)'`, + call, + ); + } + } + + private visitFunctionConstructor(node: ts.Node, args: readonly ts.Node[]): void { + // The global-object idiom Function("return this")() folds to globalThis. + if (args.length === 1) { + const body = literalText(args[0]); + if (body !== null && body.trim() === "return this") return; + } + // A capability probe tested inside try (zod 4's allowsEval) keeps + // today's EvalError lowering. + for (let cur = node.parent; cur !== undefined; cur = cur.parent) { + if (isFunctionBoundary(cur) || ts.isArrowFunction(cur)) break; + if (ts.isBlock(cur) && cur.parent !== undefined && ts.isTryStatement(cur.parent)) { + if (cur.parent.tryBlock === cur) return; + } + } + this.add("R1.1", "code-from-string", "new Function()", node); + } + + private visitNew(node: ts.NewExpression): void { + const callee = node.expression; + if (!ts.isIdentifier(callee)) return; + const name = callee.text; + if (name === "Function" && this.isGlobal("Function")) { + this.visitFunctionConstructor(node, node.arguments?.nodes ?? []); + } else if (name === "Proxy" && !this.declared.has("Proxy")) { + this.add("R2.5", "proxy", "new Proxy()", node); + } else if (this.functions.has(name) && !this.classes.has(name)) { + this.add("R2.1", "constructor-function", `'new ${name}()' of a function`, node); + } + } + + private isModuleObject(node: ts.Node): boolean { + const text = chainText(node); + return text === "exports" || text === "module.exports" || text === "module"; + } + + /** Inside a module-interop helper (tsc's __createBinding/__exportStar, + * Babel's _interopRequireWildcard, esbuild's __export): their + * defineProperty calls build module objects the native subset models. */ + private inInteropHelper(node: ts.Node): boolean { + for (let cur = node.parent; cur !== undefined; cur = cur.parent) { + let name: string | null = null; + if (ts.isFunctionDeclaration(cur) && cur.name !== undefined) name = cur.name.text; + else if (ts.isVariableDeclaration(cur) && ts.isIdentifier(cur.name)) name = cur.name.text; + else if (ts.isBinaryExpression(cur) && isAssignmentOperator(cur.operatorToken.kind)) + name = chainText(cur.left); + if (name !== null && /(^|\.)_/.test(name)) return true; + } + return false; + } + + private visitWrite(target: ts.Node, node: ts.Node, what: "write" | "delete"): void { + let left = target; + while (ts.isParenthesizedExpression(left)) left = left.expression; + if (ts.isIdentifier(left)) { + if (this.isGlobal(left.text) && left.text !== "global" && left.text !== "globalThis") + this.add("R2.5", "builtin-write", `a ${what} of the global '${left.text}'`, node); + return; + } + if (!ts.isPropertyAccessExpression(left) && !ts.isElementAccessExpression(left)) return; + const text = chainText(left); + const root = chainRoot(left); + const base = left.expression; + const baseText = chainText(base); + // require.extensions / require.cache + if ( + text !== null && + (text.startsWith("require.extensions") || text.startsWith("require.cache")) + ) { + this.add( + "R1.4", + "loader-hook", + `a ${what} of '${text.startsWith("require.cache") ? "require.cache" : "require.extensions"}'`, + node, + ); + return; + } + if (baseText === "require.cache" || baseText === "require.extensions") { + this.add("R1.4", "loader-hook", `a ${what} of '${baseText}'`, node); + return; + } + // __proto__ writes + if (propertyName(left) === "__proto__") { + this.add("R2.2", "prototype-write", `a ${what} of '__proto__'`, node); + return; + } + if (root === null) return; + const binding = this.builtinBindings.get(root.text); + // Module internals: Module._load = …, Module.prototype.require = … + if (text !== null) { + const resolved = binding !== undefined ? binding + text.slice(root.text.length) : text; + if ( + /^(module|Module)\.(_load|_resolveFilename|_extensions|wrap|_compile|prototype\.require|prototype\._compile)$/.test( + resolved, + ) && + (binding !== undefined || !this.declared.has(root.text) || root.text === "Module") + ) { + this.add("R1.4", "loader-hook", `a ${what} of '${resolved}'`, node); + return; + } + // F.prototype… + const parts = text.split("."); + if (parts.length >= 2 && parts[1] === "prototype") { + const name = parts[0]!; + if (this.isGlobal(name)) { + this.add("R2.5", "builtin-write", `a ${what} of '${text}'`, node); + return; + } + if (binding === undefined && this.classes.has(name) && !this.functions.has(name)) { + this.add("R2.3", "define-property", `a ${what} of the class prototype '${text}'`, node); + return; + } + if (binding === undefined && name !== "this") { + this.add("R2.1", "constructor-function", `a ${what} of '${text}'`, node); + return; + } + } + } + // Builtin globals and builtin module objects. + const spelled = memberText(left) ?? `${root.text}[…]`; + if (binding !== undefined) { + const member = binding + spelled.slice(root.text.length); + if (!this.allowedWrite(member)) { + this.add( + "R2.5", + "builtin-write", + `a ${what} of the builtin module member '${member}'`, + node, + ); + } + return; + } + if (this.isGlobal(root.text)) { + const member = spelled; + if (!this.allowedWrite(member)) + this.add("R2.5", "builtin-write", `a ${what} of the builtin '${member}'`, node); + } + } + + private allowedWrite(member: string): boolean { + for (const allowed of ALLOWED_BUILTIN_WRITES) { + if ( + member === allowed || + member.startsWith(`${allowed}.`) || + member.startsWith(`${allowed}[`) + ) + return true; + } + return false; + } + + private visitDelete(node: ts.DeleteExpression): void { + let target = node.expression; + while (ts.isParenthesizedExpression(target)) target = target.expression; + if (ts.isIdentifier(target)) { + if (!this.isStrict(node)) + this.add("R2.4", "sloppy-mode", `'delete ${target.text}' of an identifier`, node); + return; + } + this.visitWrite(target, node, "delete"); + } + + private visitIdentifier(node: ts.Identifier): void { + const name = node.text; + if (name !== "WeakRef" && name !== "FinalizationRegistry") return; + if (this.declared.has(name)) return; + const parent = node.parent; + if (parent === undefined) return; + // Only value uses: not a property name, declaration name or typeof probe. + if (ts.isPropertyAccessExpression(parent) && parent.name === node) return; + if (ts.isTypeOfExpression(parent)) return; + if ((ts.isPropertyAssignment(parent) || ts.isMethodDeclaration(parent)) && parent.name === node) + return; + this.add("R1.6", "weak-ref", `'${name}'`, node); + } + + /** Observable `arguments` aliasing in a sloppy function: writes to + * arguments[i], or to a parameter while `arguments` is read. */ + private visitFunction(fn: ts.FunctionLikeDeclaration): void { + const body = fn.body; + if (body === undefined || !ts.isBlock(body)) return; + if (this.isStrict(body.statements.nodes[0] ?? body)) return; + if (hasUseStrict(body.statements.nodes)) return; + const params = new Set(); + for (const p of fn.parameters.nodes) { + if (ts.isIdentifier(p.name)) params.add(p.name.text); + } + const seen: ArgumentsUse = { reads: false, argumentsWrite: null, paramWrite: null }; + ts.walkPreorder(body, (node) => { + if ( + node !== body && + (isFunctionBoundary(node) || ts.isClassDeclaration(node) || ts.isClassExpression(node)) + ) + return "skip"; + if (ts.isIdentifier(node) && node.text === "arguments") seen.reads = true; + if (ts.isBinaryExpression(node) && isAssignmentOperator(node.operatorToken.kind)) { + const left = node.left; + if ( + ts.isElementAccessExpression(left) && + ts.isIdentifier(left.expression) && + left.expression.text === "arguments" + ) { + if (seen.argumentsWrite === null) seen.argumentsWrite = node; + } else if (ts.isIdentifier(left) && params.has(left.text)) { + if (seen.paramWrite === null) seen.paramWrite = node; + } + } + return undefined; + }); + if (seen.argumentsWrite !== null) + this.add( + "R2.4", + "sloppy-arguments", + "a write to 'arguments[i]' in sloppy mode", + seen.argumentsWrite, + ); + else if (seen.reads && seen.paramWrite !== null) + this.add( + "R2.4", + "sloppy-arguments", + "a parameter write while 'arguments' is read in sloppy mode", + seen.paramWrite, + ); + } +} + +interface ArgumentsUse { + reads: boolean; + argumentsWrite: ts.Node | null; + paramWrite: ts.Node | null; +} + +/** The R1/R2 markers of one JavaScript module, in source order. */ +export function scanModule(sf: ts.SourceFile): NodeIslandMarker[] { + const markers = new ModuleScanner(sf).scan(); + return markers.sort((a, b) => a.loc.start - b.loc.start); +} diff --git a/packages/compiler/src/node-islands/origin.ts b/packages/compiler/src/node-islands/origin.ts new file mode 100644 index 000000000..65beebba0 --- /dev/null +++ b/packages/compiler/src/node-islands/origin.ts @@ -0,0 +1,68 @@ +/* Where a source file comes from. User code (the program's own tree and + * workspace packages compiled from source) is strict; npm code (installed + * packages under node_modules) is lenient and is decided per package + * instance; shims are scriptc's own registry implementations; builtin + * covers declaration files of the type world. */ +import { join } from "node:path"; +import { isPackageShimFile } from "../frontend/package-shims.js"; +import { trackedReadFile } from "../frontend/input-tracker.js"; + +export type Origin = "user" | "npm" | "shim" | "builtin"; + +export function originOf(file: string): Origin { + const path = file.split("\\").join("/"); + if (isPackageShimFile(path)) return "shim"; + if (/\.d\.[cm]?ts$/.test(path)) return "builtin"; + return path.includes("/node_modules/") ? "npm" : "user"; +} + +/** One installed package: the decision unit for npm code. pnpm keeps + * versions apart in different directories, so the directory identifies the + * instance. */ +export interface PackageInstance { + name: string; + /** The package directory (…/node_modules/). */ + dir: string; + version: string | null; +} + +/** The package instance of a file under node_modules: the LAST + * node_modules segment (nested installs belong to the innermost package), + * scope-aware. Null outside node_modules. */ +export function packageDirOf(file: string): { name: string; dir: string } | null { + const path = file.split("\\").join("/"); + const parts = path.split("/"); + const i = parts.lastIndexOf("node_modules"); + if (i < 0 || i + 1 >= parts.length - 1) return null; + const first = parts[i + 1]!; + if (first.startsWith("@")) { + if (i + 2 >= parts.length - 1) return null; + const name = `${first}/${parts[i + 2]!}`; + return { name, dir: parts.slice(0, i + 3).join("/") }; + } + return { name: first, dir: parts.slice(0, i + 2).join("/") }; +} + +/** The `version` field of a package directory's package.json. */ +export function packageVersionOf(dir: string): string | null { + let version: string | null = null; + const text = trackedReadFile(join(dir, "package.json")); + if (text !== null) { + try { + const parsed: unknown = JSON.parse(text); + if (parsed !== null && typeof parsed === "object") { + const v = (parsed as Record)["version"]; + if (typeof v === "string") version = v; + } + } catch { + version = null; + } + } + return version; +} + +export function packageInstanceOf(file: string): PackageInstance | null { + const at = packageDirOf(file); + if (at === null) return null; + return { name: at.name, dir: at.dir, version: packageVersionOf(at.dir) }; +} diff --git a/packages/compiler/src/node-islands/policy.ts b/packages/compiler/src/node-islands/policy.ts new file mode 100644 index 000000000..72dbf3cd0 --- /dev/null +++ b/packages/compiler/src/node-islands/policy.ts @@ -0,0 +1,167 @@ +/* The Node island policy (DESIGN.md §1.5–§1.6): user code strict, npm + * lenient. npm code outside the native subset becomes a Node island + * automatically (`nodeIslands.auto`, `--node-islands=auto`); user modules + * become islands only when marked (`nodeIslands.modules`, + * `--node-island=`); `"native"` (`--native=`) makes one + * dependency strict; `--node-islands=off` makes the whole program strict. + * + * This version is report-only: the policy decides what WOULD run in Node, + * and coverage reports it, but code generation does not change. */ +import { isAbsolute, join, resolve, dirname } from "node:path"; +import type { ProjectConfig } from "../project-config.js"; + +export type NodeIslandsMode = "auto" | "explicit" | "off"; +export const NODE_ISLANDS_MODES: readonly NodeIslandsMode[] = ["auto", "explicit", "off"]; + +/** The command-line half of the policy (`build`, `run` and `coverage` + * accept these). */ +export interface NodeIslandOptions { + /** `--node-islands=auto|explicit|off`. */ + mode?: NodeIslandsMode; + /** `--node-island=`: packages and user modules forced into a + * Node island. Paths are absolute. */ + islands?: readonly string[]; + /** `--native=`: packages that must compile natively. */ + native?: readonly string[]; + /** `--node=`: the node executable recorded for islands. */ + node?: string; + /** `--strict-user-js`: report R2 constructs in user JavaScript as + * SC8101–SC8105. */ + strictUserJs?: boolean; +} + +export type DecisionSource = "config" | "cli"; + +export interface UserModulePattern { + /** An absolute path or glob. */ + pattern: string; + source: DecisionSource; +} + +export interface NodeIslandPolicy { + mode: NodeIslandsMode; + /** Where the mode came from (an explicit `"auto": false` reads as + * "explicit"). */ + modeSource: DecisionSource | "default"; + forcedNode: Map; + forcedNative: Map; + /** `"unloaded"` packages: never loaded, never islands. */ + unloaded: Set; + userModules: UserModulePattern[]; + node: string | null; + strictUserJs: boolean; +} + +/** Whether a `--node-island` value names a module rather than a package. */ +export function isModuleIslandArgument(value: string): boolean { + return ( + value.startsWith(".") || + value.startsWith("/") || + /\.(?:[cm]?[jt]s|[jt]sx)$/.test(value) || + value.includes("*") + ); +} + +export function nodeIslandPolicy( + config: ProjectConfig, + options: NodeIslandOptions = {}, +): NodeIslandPolicy { + const forcedNode = new Map(); + const forcedNative = new Map(); + const unloaded = new Set(); + for (const [name, setting] of config.packages) { + if (setting.unloaded) unloaded.add(name); + else if (setting.run === "node") forcedNode.set(name, "config"); + else if (setting.run === "native") forcedNative.set(name, "config"); + } + const userModules: UserModulePattern[] = []; + const base = config.manifest === null ? process.cwd() : dirname(config.manifest); + for (const pattern of config.nodeIslands.modules) { + userModules.push({ + pattern: isAbsolute(pattern) ? pattern : join(base, pattern), + source: "config", + }); + } + for (const value of options.islands ?? []) { + if (isModuleIslandArgument(value)) { + userModules.push({ pattern: resolve(value), source: "cli" }); + } else { + forcedNative.delete(value); + forcedNode.set(value, "cli"); + } + } + for (const name of options.native ?? []) { + forcedNode.delete(name); + forcedNative.set(name, "cli"); + } + let mode: NodeIslandsMode = "auto"; + let modeSource: DecisionSource | "default" = "default"; + if (options.mode !== undefined) { + mode = options.mode; + modeSource = "cli"; + } else if (!config.nodeIslands.auto) { + mode = "explicit"; + modeSource = "config"; + } + return { + mode, + modeSource, + forcedNode, + forcedNative, + unloaded, + userModules, + node: options.node ?? config.nodeIslands.node, + strictUserJs: options.strictUserJs === true, + }; +} + +/** Whether a user module is marked to run in a Node island. */ +export function isMarkedUserModule(policy: NodeIslandPolicy, file: string): DecisionSource | null { + const path = file.split("\\").join("/"); + for (const entry of policy.userModules) { + if (globMatch(entry.pattern.split("\\").join("/"), path)) return entry.source; + } + return null; +} + +/** Glob matching over `/`-separated paths: `**` spans directories, `*` and + * `?` stay inside one segment. */ +export function globMatch(pattern: string, path: string): boolean { + return matchSegments(pattern.split("/"), 0, path.split("/"), 0); +} + +function matchSegments(pat: string[], pi: number, segs: string[], si: number): boolean { + if (pi === pat.length) return si === segs.length; + const p = pat[pi]!; + if (p === "**") { + for (let k = si; k <= segs.length; k++) if (matchSegments(pat, pi + 1, segs, k)) return true; + return false; + } + if (si === segs.length) return false; + return matchSegment(p, 0, segs[si]!, 0) && matchSegments(pat, pi + 1, segs, si + 1); +} + +function matchSegment(p: string, pi: number, s: string, si: number): boolean { + if (pi === p.length) return si === s.length; + const ch = p.charAt(pi); + if (ch === "*") { + for (let k = si; k <= s.length; k++) if (matchSegment(p, pi + 1, s, k)) return true; + return false; + } + if (si === s.length) return false; + if (ch === "?" || ch === s.charAt(si)) return matchSegment(p, pi + 1, s, si + 1); + return false; +} + +/** The policy's identity for caches: two analyses with the same identity + * decide the same islands. */ +export function nodeIslandOptionsKey(options: NodeIslandOptions | undefined): string { + if (options === undefined) return ""; + return [ + options.mode ?? "", + (options.islands ?? []).join(","), + (options.native ?? []).join(","), + options.node ?? "", + options.strictUserJs === true ? "strict-user-js" : "", + ].join("|"); +} diff --git a/packages/compiler/src/node-islands/report.test.ts b/packages/compiler/src/node-islands/report.test.ts new file mode 100644 index 000000000..d4221d31f --- /dev/null +++ b/packages/compiler/src/node-islands/report.test.ts @@ -0,0 +1,279 @@ +import { describe, expect, test } from "vitest"; +import type { ScrDiagnostic } from "../diagnostics/diagnostic.js"; +import { emptyProjectConfig, parseProjectConfig } from "../project-config.js"; +import type { NodeIslandMarker } from "./detect.js"; +import { + globMatch, + isMarkedUserModule, + nodeIslandPolicy, + type NodeIslandOptions, +} from "./policy.js"; +import { buildNodeIslandReport, type NpmOutcome } from "./report.js"; +import type { NodeIslandScan, PackageEdge, ScannedModule } from "./scan.js"; + +const NM = "/app/node_modules"; + +function mod(pkg: string | null, file: string, markers: NodeIslandMarker[] = []): ScannedModule { + return { + file, + origin: pkg === null ? "user" : "npm", + packageDir: pkg === null ? null : `${NM}/${pkg}`, + packageName: pkg, + markers, + dropped: false, + }; +} + +function marker(file: string, rule: NodeIslandMarker["rule"], reason: string): NodeIslandMarker { + return { rule, reason, construct: reason, loc: { file, start: 0, end: 1 } }; +} + +function edge(from: string | null, to: string): PackageEdge { + return { + fromDir: from === null ? null : `${NM}/${from}`, + fromFile: from === null ? "/app/main.ts" : `${NM}/${from}/index.js`, + to, + toDir: `${NM}/${to}`, + shim: false, + loc: { file: from === null ? "/app/main.ts" : `${NM}/${from}/index.js`, start: 0, end: 1 }, + }; +} + +function gapFence(pkg: string): ScrDiagnostic { + return { + code: "SC1090", + message: "a builtin function alias as an escaping value", + loc: { file: `${NM}/${pkg}/index.js`, start: 5, end: 9 }, + }; +} + +/** A program: main.ts imports a (constructor functions), b (a gap fence) + * and c (clean); a imports d (clean, only from a) and c. */ +function program(): { scan: NodeIslandScan; fences: ScrDiagnostic[] } { + return { + scan: { + modules: [ + mod(null, "/app/main.ts"), + mod("a", `${NM}/a/index.js`, [marker(`${NM}/a/index.js`, "R2.1", "constructor-function")]), + mod("b", `${NM}/b/index.js`), + mod("c", `${NM}/c/index.js`), + mod("d", `${NM}/d/index.js`), + ], + edges: [edge(null, "a"), edge(null, "b"), edge(null, "c"), edge("a", "d"), edge("a", "c")], + refusals: [], + }, + fences: [gapFence("b")], + }; +} + +function report( + options: NodeIslandOptions = {}, + npm: NpmOutcome[] = [], + config = emptyProjectConfig(), +) { + const { scan, fences } = program(); + return buildNodeIslandReport({ + entry: "/app/main.ts", + scan, + npm, + diagnostics: [], + fences, + policy: nodeIslandPolicy(config, options), + }); +} + +describe("decisions", () => { + test("auto: packages with reasons are islands, gap islands first; closure and sharing", () => { + const r = report(); + expect(r.islands.map((i) => [i.package, i.class, i.decision])).toEqual([ + ["b", "gap", "auto"], + ["a", "object-model", "auto"], + ]); + expect(r.islands[0]!.reason).toBe("SC1090: a builtin function alias as an escaping value"); + expect(r.islands[1]!.carries).toEqual(["d"]); + expect(r.packages.map((p) => [p.package, p.status, p.islands])).toEqual([ + ["c", "shared", ["a"]], + ["d", "inside", ["a"]], + ]); + expect(r.violations).toEqual([]); + }); + + test("a refused package is a packaging island, classified by its refusal", () => { + const r = report({}, [ + { package: "c", status: "refused", detail: "auto: its shipped JS looks minified" }, + ]); + const c = r.islands.find((i) => i.package === "c")!; + expect([c.class, c.reason, c.diagnostic]).toEqual([ + "packaging", + "SC2013: auto: its shipped JS looks minified", + "SC2013", + ]); + }); + + test("forced native turns reasons into SC8003; forced node islands a clean package", () => { + const r = report({ native: ["a"], islands: ["c"] }); + expect(r.islands.map((i) => [i.package, i.class, i.decision])).toEqual([ + ["b", "gap", "auto"], + ["c", "marked", "cli"], + ]); + expect(r.violations.map((v) => v.code)).toEqual(["SC8003"]); + expect(r.violations[0]!.message).toContain("'a' is marked native"); + }); + + test("off: no islands, every package outside the native subset is SC8002", () => { + const r = report({ mode: "off" }); + expect(r.islands).toEqual([]); + expect(r.violations.map((v) => [v.code, v.message.split(" (")[0]])).toEqual([ + ["SC8002", "npm package 'a' is outside the native subset"], + ["SC8002", "npm package 'b' is outside the native subset"], + ]); + }); + + test('explicit (or "auto": false): only marked islands', () => { + const config = parseProjectConfig( + "/app/package.json", + JSON.stringify({ scriptc: { nodeIslands: { auto: false }, packages: { b: "node" } } }), + ); + const r = report({}, [], config); + expect(r.policy).toBe("explicit"); + expect(r.islands.map((i) => [i.package, i.decision])).toEqual([["b", "config"]]); + expect(r.violations.map((v) => v.code)).toEqual(["SC8002"]); + }); + + test("command-line names the program does not import are reported", () => { + expect(report({ native: ["nope"] }).unknownPackages).toEqual(["nope"]); + }); + + test("unloaded packages are never islands", () => { + const config = parseProjectConfig( + "/app/package.json", + JSON.stringify({ scriptc: { packages: { a: "unloaded" } } }), + ); + expect(report({}, [], config).islands.map((i) => i.package)).toEqual(["b"]); + }); +}); + +describe("user modules", () => { + test("marked by glob in the config or by path on the command line", () => { + const config = parseProjectConfig( + "/app/package.json", + JSON.stringify({ scriptc: { nodeIslands: { modules: ["src/plugins/**/*.ts"] } } }), + ); + const policy = nodeIslandPolicy(config, { islands: ["/app/src/legacy.js"] }); + expect(isMarkedUserModule(policy, "/app/src/plugins/a/loader.ts")).toBe("config"); + expect(isMarkedUserModule(policy, "/app/src/legacy.js")).toBe("cli"); + expect(isMarkedUserModule(policy, "/app/src/main.ts")).toBe(null); + }); + + test("SC81xx for R2 markers in user JavaScript, only with --strict-user-js", () => { + const file = "/app/legacy.js"; + const scan: NodeIslandScan = { + modules: [ + mod(null, file, [ + marker(file, "R2.1", "constructor-function"), + marker(file, "R2.5", "builtin-write"), + marker(file, "R1.1", "code-from-string"), + ]), + ], + edges: [], + refusals: [], + }; + const build = (strictUserJs: boolean) => + buildNodeIslandReport({ + entry: file, + scan, + npm: [], + diagnostics: [], + fences: [], + policy: nodeIslandPolicy(emptyProjectConfig(), { strictUserJs }), + }); + expect(build(false).userJs).toEqual([]); + expect(build(true).userJs.map((d) => d.code)).toEqual(["SC8101", "SC8105"]); + }); +}); + +test("globMatch", () => { + expect(globMatch("/a/**/*.ts", "/a/b/c/d.ts")).toBe(true); + expect(globMatch("/a/**/*.ts", "/a/d.ts")).toBe(true); + expect(globMatch("/a/*.ts", "/a/b/d.ts")).toBe(false); + expect(globMatch("/a/?.js", "/a/x.js")).toBe(true); + expect(globMatch("/a/x.js", "/a/x.js")).toBe(true); +}); + +describe("reachability", () => { + const userEdge = (fromFile: string, to: string): PackageEdge => ({ + ...edge(null, to), + fromFile, + loc: { file: fromFile, start: 0, end: 1 }, + }); + const codeFromString = (pkg: string) => + mod(pkg, `${NM}/${pkg}/index.js`, [ + marker(`${NM}/${pkg}/index.js`, "R1.1", "code-from-string"), + ]); + const build = (scan: Omit, options: NodeIslandOptions = {}) => + buildNodeIslandReport({ + entry: "/app/main.ts", + scan: { ...scan, refusals: [] }, + npm: [], + diagnostics: [], + fences: [], + policy: nodeIslandPolicy(emptyProjectConfig(), options), + }); + + test("a marked user module owns the packages only it imports", () => { + const r = build( + { + modules: [ + mod(null, "/app/main.ts"), + mod(null, "/app/plugin.ts"), + mod("x", `${NM}/x/index.js`), + mod("y", `${NM}/y/index.js`), + ], + edges: [userEdge("/app/plugin.ts", "x"), userEdge("/app/plugin.ts", "y"), edge(null, "y")], + }, + { islands: ["/app/plugin.ts"] }, + ); + expect(r.packages.map((p) => [p.package, p.status, p.islands])).toEqual([ + ["x", "inside", ["/app/plugin.ts"]], + ["y", "shared", ["/app/plugin.ts"]], + ]); + }); + + test("an island imported by a native package lists that import site", () => { + const r = build({ + modules: [mod(null, "/app/main.ts"), mod("n", `${NM}/n/index.js`), codeFromString("i")], + edges: [edge(null, "n"), edge("n", "i")], + }); + expect(r.islands.map((i) => [i.package, i.importedFrom.map((l) => l.file)])).toEqual([ + ["i", [`${NM}/n/index.js`]], + ]); + }); + + test("the dependencies of a shared package are shared with the island", () => { + const r = build({ + modules: [ + mod(null, "/app/main.ts"), + codeFromString("a"), + mod("s", `${NM}/s/index.js`), + mod("d", `${NM}/d/index.js`), + ], + edges: [edge(null, "a"), edge(null, "s"), edge("a", "s"), edge("s", "d")], + }); + expect(r.packages.map((p) => [p.package, p.status, p.islands])).toEqual([ + ["d", "shared", ["a"]], + ["s", "shared", ["a"]], + ]); + }); + + test("with islands off, a marked user module is SC8002 and keeps the user JavaScript rules", () => { + const file = "/app/legacy.js"; + const r = build( + { modules: [mod(null, file, [marker(file, "R2.1", "constructor-function")])], edges: [] }, + { mode: "off", islands: [file], strictUserJs: true }, + ); + expect(r.userModules).toEqual([]); + expect(r.violations.map((v) => v.code)).toEqual(["SC8002"]); + expect(r.violations[0]!.message).toContain(`user module '${file}'`); + expect(r.userJs.map((d) => d.code)).toEqual(["SC8101"]); + }); +}); diff --git a/packages/compiler/src/node-islands/report.ts b/packages/compiler/src/node-islands/report.ts new file mode 100644 index 000000000..c82d0f664 --- /dev/null +++ b/packages/compiler/src/node-islands/report.ts @@ -0,0 +1,390 @@ +/* The Node island report: which packages and user modules would run in a + * Node island, and why (DESIGN.md §1.3–§1.7). Report-only: the decisions + * are computed from the detector and the policy, and nothing about the + * build changes. + * + * 1. Reasons per package instance: pre-scan markers in its modules, + * refusals and runtime fences the lowering produced in its modules, and + * the drop-and-reload refusal of a package that did not compile. + * 2. Decision per package: the policy (forced node or native, the mode) + * applied to its reasons. + * 3. Closure: a package imported only by island packages runs inside the + * island (it is Node's business); one reached from both sides is + * reported as shared (DESIGN.md §2.6 decides it later). */ +import { + nativePackageDiag, + nodeIslandsOffDiag, + nodeIslandsOffModuleDiag, + userJsObjectModelDiag, + type ScrDiagnostic, +} from "../diagnostics/diagnostic.js"; +import type { SrcLoc } from "../ir/ir.js"; +import { + classifyDiagnostic, + classifyMarker, + classifyRefusal, + isIslandReasonCode, +} from "./classify.js"; +import { + describe, + type IslandDecision, + type NativePackage, + type NodeIslandEntry, + type NodeIslandReason, + type NodeIslandReasonSource, + type NodeIslandReport, + type UserModuleIsland, +} from "./summary.js"; +import { packageDirOf, packageVersionOf } from "./origin.js"; +import { isMarkedUserModule, type NodeIslandPolicy } from "./policy.js"; +import { classRank, reportRank, ruleInfo } from "./rules.js"; +import type { NodeIslandScan, RefusalRecord } from "./scan.js"; + +/** One dependency's native compilation outcome (coverage/report.ts's + * NpmStaticStatus, restated to keep this module free of coverage). */ +export interface NpmOutcome { + package: string; + status: "static" | "refused"; + detail?: string; +} + +export interface NodeIslandReportInput { + entry: string; + scan: NodeIslandScan; + npm: readonly NpmOutcome[]; + /** Lowering diagnostics of the analysis (reached and unreached), runtime + * fences separately. */ + diagnostics: readonly ScrDiagnostic[]; + fences: readonly ScrDiagnostic[]; + policy: NodeIslandPolicy; +} + +/** Reasons kept per package (the report renders the first per module). */ +const REASON_CAP = 200; + +interface PackageState { + key: string; + name: string; + dir: string | null; + reasons: NodeIslandReason[]; + importers: Set; + /** Every import site, with its importer ("" native user code, + * "user:" a marked user module, else a package key). */ + sites: { from: string; loc: SrcLoc }[]; + island: boolean; + decision: IslandDecision; + carriedBy: string | null; + violation: boolean; +} + +export function buildNodeIslandReport(input: NodeIslandReportInput): NodeIslandReport { + const policy = input.policy; + const states = new Map(); + const byName = new Map(); + const state = (name: string, dir: string | null): PackageState => { + const key = dir ?? `name:${name}`; + let s = states.get(key); + if (s === undefined) { + s = { + key, + name, + dir, + reasons: [], + importers: new Set(), + sites: [], + island: false, + decision: "auto", + carriedBy: null, + violation: false, + }; + states.set(key, s); + const keys = byName.get(name) ?? []; + keys.push(key); + byName.set(name, keys); + } + return s; + }; + const addReason = (s: PackageState, r: NodeIslandReason): void => { + if (s.reasons.length < REASON_CAP) s.reasons.push(r); + }; + const ignored = (name: string): boolean => policy.unloaded.has(name); + + // Modules and their markers. + for (const m of input.scan.modules) { + if (m.origin !== "npm" || m.packageName === null) continue; + if (ignored(m.packageName)) continue; + const s = state(m.packageName, m.packageDir); + for (const marker of m.markers) addReason(s, classifyMarker(marker)); + } + // Import edges. A marked user module is an island owner of its own + // (unless islands are off, where it is a violation and stays native). + const USER = "user:"; + const userIsland = (file: string): boolean => + policy.mode !== "off" && isMarkedUserModule(policy, file) !== null; + const imports = new Map>(); + for (const e of input.scan.edges) { + if (e.shim || ignored(e.to)) continue; + const s = state(e.to, e.toDir); + const from = e.fromDir ?? (userIsland(e.fromFile) ? USER + e.fromFile : ""); + if (from === s.key) continue; + s.importers.add(from); + s.sites.push({ from, loc: e.loc }); + let out = imports.get(from); + if (out === undefined) imports.set(from, (out = new Set())); + out.add(s.key); + } + // Lowering refusals and fences inside npm modules. + const addDiagnostics = (diags: readonly ScrDiagnostic[], source: NodeIslandReasonSource) => { + for (const d of diags) { + if (!isIslandReasonCode(d.code)) continue; + const at = packageDirOf(d.loc.file); + if (at === null || ignored(at.name)) continue; + addReason(state(at.name, at.dir), classifyDiagnostic(d, source)); + } + }; + addDiagnostics(input.diagnostics, "refusal"); + addDiagnostics(input.fences, "fence"); + // Packages that did not compile. + const records = new Map(); + for (const r of input.scan.refusals) if (!records.has(r.package)) records.set(r.package, r); + for (const outcome of input.npm) { + if (outcome.status !== "refused" || ignored(outcome.package)) continue; + const reason = classifyRefusal( + outcome.detail ?? "its static compilation was refused", + records.get(outcome.package) ?? null, + ); + if (reason === null) continue; + const keys = byName.get(outcome.package); + if (keys === undefined || keys.length === 0) { + addReason(state(outcome.package, null), reason); + continue; + } + for (const key of keys) addReason(states.get(key)!, reason); + } + + // Decisions. + const violations: ScrDiagnostic[] = []; + const fallbackLoc: SrcLoc = { file: input.entry, start: 0, end: 0 }; + for (const s of states.values()) { + sortReasons(s.reasons); + const forcedNode = policy.forcedNode.get(s.name); + const forcedNative = policy.forcedNative.get(s.name); + const outside = s.reasons.length > 0; + const loc = (s.sites.find((x) => x.from === "") ?? s.sites[0])?.loc ?? fallbackLoc; + if (forcedNative !== undefined) { + if (outside) { + s.violation = true; + violations.push(nativePackageDiag(s.name, describe(s.reasons[0]!), loc)); + } + continue; + } + if (policy.mode === "off") { + if (outside || forcedNode !== undefined) { + s.violation = true; + violations.push( + nodeIslandsOffDiag( + s.name, + outside ? describe(s.reasons[0]!) : "it is marked to run in Node", + loc, + ), + ); + } + continue; + } + if (forcedNode !== undefined) { + s.island = true; + s.decision = forcedNode; + continue; + } + if (!outside) continue; + if (policy.mode === "explicit") { + s.violation = true; + violations.push(nodeIslandsOffDiag(s.name, describe(s.reasons[0]!), loc)); + continue; + } + s.island = true; + s.decision = "auto"; + } + + // The island that owns an importer: a marked user module, an island + // package, or the island a carried package runs inside; null for native. + const ownerOf = (from: string): string | null => { + if (from.startsWith(USER)) return from; + const importer = states.get(from); + return importer === undefined ? null : importer.island ? importer.key : importer.carriedBy; + }; + const ownerName = (owner: string): string => + owner.startsWith(USER) ? owner.slice(USER.length) : states.get(owner)!.name; + + // Closure: packages imported only by islands (or by packages inside + // them) run inside the island. + for (let changed = true; changed;) { + changed = false; + for (const s of states.values()) { + if (s.island || s.carriedBy !== null || s.violation) continue; + if (s.importers.size === 0 || s.importers.has("")) continue; + let carrier: string | null = null; + let all = true; + for (const from of s.importers) { + const owner = ownerOf(from); + if (owner === null) { + all = false; + break; + } + carrier ??= owner; + } + if (all && carrier !== null) { + s.carriedBy = carrier; + changed = true; + } + } + } + + // Transitive reach: every non-island package an island loads, through + // carried and shared packages alike (an island package is a boundary). + const reach = new Map>(); + const owners = [...imports.keys()].filter( + (k) => k.startsWith(USER) || states.get(k)?.island === true, + ); + for (const owner of owners) { + const name = ownerName(owner); + const queue = [...(imports.get(owner) ?? new Set())]; + const seen = new Set(queue); + while (queue.length > 0) { + const key = queue.pop()!; + if (states.get(key)?.island === true) continue; + let names = reach.get(key); + if (names === undefined) reach.set(key, (names = new Set())); + names.add(name); + for (const next of imports.get(key) ?? new Set()) { + if (!seen.has(next)) { + seen.add(next); + queue.push(next); + } + } + } + } + + // Entries. + const islands: NodeIslandEntry[] = []; + const packages: NativePackage[] = []; + for (const s of states.values()) { + const version = s.dir === null ? null : packageVersionOf(s.dir); + if (s.island) { + const first = s.reasons[0]; + const modules = new Set(); + for (const r of s.reasons) if (r.loc !== null) modules.add(r.loc.file); + const carries: string[] = []; + for (const other of states.values()) { + if (other.carriedBy === s.key) carries.push(other.name); + } + carries.sort(); + islands.push({ + package: s.name, + version, + path: s.dir, + class: first === undefined ? "marked" : first.class, + reason: first === undefined ? markedReason(s.decision) : describe(first), + diagnostic: first === undefined ? null : first.code, + decision: s.decision, + reasons: s.reasons, + modules: modules.size, + carries, + importedFrom: s.sites.filter((x) => ownerOf(x.from) === null).map((x) => x.loc), + evaluation: "eager", + }); + continue; + } + if (s.violation) continue; + // A package that resolves to no installed JavaScript never loads (an + // optional dependency that is absent): nothing to compile or island. + if (s.dir === null && s.reasons.length === 0) continue; + const reachingIslands = [...(reach.get(s.key) ?? new Set())].sort(); + packages.push({ + package: s.name, + version, + path: s.dir, + status: s.carriedBy !== null ? "inside" : reachingIslands.length > 0 ? "shared" : "native", + islands: s.carriedBy !== null ? [ownerName(s.carriedBy)] : reachingIslands, + }); + } + islands.sort( + (a, b) => + reportRank(a.class) - reportRank(b.class) || + compareText(a.package, b.package) || + compareText(a.path ?? "", b.path ?? ""), + ); + packages.sort( + (a, b) => compareText(a.package, b.package) || compareText(a.path ?? "", b.path ?? ""), + ); + + // Marked user modules and SC81xx in user JavaScript. + const userModules: UserModuleIsland[] = []; + const userJs: ScrDiagnostic[] = []; + for (const m of input.scan.modules) { + if (m.origin !== "user") continue; + const marked = isMarkedUserModule(policy, m.file); + if (marked !== null && policy.mode !== "off") { + userModules.push({ file: m.file, source: marked }); + continue; + } + if (marked !== null) { + violations.push(nodeIslandsOffModuleDiag(m.file, marked, { file: m.file, start: 0, end: 0 })); + } + if (!policy.strictUserJs) continue; + for (const marker of m.markers) { + const code = ruleInfo(marker.rule).userJsCode; + if (code === null) continue; + userJs.push(userJsObjectModelDiag(code, capitalize(marker.construct), marker.loc)); + } + } + userModules.sort((a, b) => compareText(a.file, b.file)); + + const unknownPackages: string[] = []; + // Only command-line names: a project's configuration may list packages + // for other entries. + for (const forced of [policy.forcedNode, policy.forcedNative]) { + for (const [name, source] of forced) { + if (source === "cli" && !byName.has(name) && !unknownPackages.includes(name)) + unknownPackages.push(name); + } + } + unknownPackages.sort(); + + return { + mode: "would-be", + policy: policy.mode, + islands, + packages, + userModules, + violations, + userJs, + unknownPackages, + }; +} + +function compareText(a: string, b: string): number { + return a < b ? -1 : a > b ? 1 : 0; +} + +function capitalize(text: string): string { + return text.length === 0 ? text : text.charAt(0).toUpperCase() + text.slice(1); +} + +function markedReason(decision: IslandDecision): string { + return decision === "cli" ? "marked with --node-island" : 'marked "node" in scriptc.packages'; +} + +/** Decisive class first; within a class, refusals before pre-scan markers + * (the lowering is authoritative), then source order. */ +function sortReasons(reasons: NodeIslandReason[]): void { + const sourceRank = (r: NodeIslandReason): number => + r.source === "package" ? 0 : r.source === "refusal" ? 1 : r.source === "fence" ? 2 : 3; + reasons.sort( + (a, b) => + classRank(a.class) - classRank(b.class) || + sourceRank(a) - sourceRank(b) || + compareText(a.loc?.file ?? "", b.loc?.file ?? "") || + (a.loc?.start ?? 0) - (b.loc?.start ?? 0), + ); +} diff --git a/packages/compiler/src/node-islands/rules.ts b/packages/compiler/src/node-islands/rules.ts new file mode 100644 index 000000000..25f686314 --- /dev/null +++ b/packages/compiler/src/node-islands/rules.ts @@ -0,0 +1,109 @@ +/* The refusal rules of scope B (results/design-scope-b/DESIGN.md §1.2): + * the constructs that put a module outside the native subset, grouped in + * eleven rule families, and the four classes the detector reports. + * + * runtime (R1) needs the JavaScript runtime itself + * object-model (R2) needs a mutable object model + * gap inside the native subset, but scriptc cannot compile it yet + * packaging not compilable as shipped (no declarations, minified, ...) + * + * A reason id names one construct; refusal sites carry it on their + * diagnostic (ScrDiagnostic.reason) and the pre-scan (detect.ts) reports it + * with the rule. */ + +export type NodeIslandClass = "runtime" | "object-model" | "gap" | "packaging" | "marked"; + +export type NodeIslandRule = + | "R1.1" + | "R1.2" + | "R1.3" + | "R1.4" + | "R1.5" + | "R1.6" + | "R2.1" + | "R2.2" + | "R2.3" + | "R2.4" + | "R2.5"; + +export interface RuleInfo { + rule: NodeIslandRule; + title: string; + /** The SC81xx code the construct is in user JavaScript (R2 only). */ + userJsCode: "SC8101" | "SC8102" | "SC8103" | "SC8104" | "SC8105" | null; +} + +const RULES: RuleInfo[] = [ + { rule: "R1.1", title: "code from strings", userJsCode: null }, + { rule: "R1.2", title: "dynamic module loading", userJsCode: null }, + { rule: "R1.3", title: "native addons", userJsCode: null }, + { rule: "R1.4", title: "loader and require hooks", userJsCode: null }, + { rule: "R1.5", title: "engine internals", userJsCode: null }, + { rule: "R1.6", title: "runtime-only globals", userJsCode: null }, + { rule: "R2.1", title: "constructor functions", userJsCode: "SC8101" }, + { rule: "R2.2", title: "prototype mutation", userJsCode: "SC8102" }, + { rule: "R2.3", title: "shape mutation outside the checker's view", userJsCode: "SC8103" }, + { rule: "R2.4", title: "sloppy-mode semantics", userJsCode: "SC8104" }, + { rule: "R2.5", title: "builtin and global patching", userJsCode: "SC8105" }, +]; + +export function ruleInfo(rule: NodeIslandRule): RuleInfo { + for (const info of RULES) if (info.rule === rule) return info; + throw new Error(`unknown Node island rule ${rule}`); +} + +/** Reason id → rule. Ids without a rule (gap, packaging) are absent. */ +const REASON_RULES: Record = { + "code-from-string": "R1.1", + vm: "R1.1", + "dynamic-require": "R1.2", + "dynamic-import": "R1.2", + "unresolved-import": "R1.2", + "native-addon": "R1.3", + "loader-hook": "R1.4", + "engine-internal": "R1.5", + "weak-ref": "R1.6", + "constructor-function": "R2.1", + "prototype-write": "R2.2", + "define-property": "R2.3", + with: "R2.4", + "sloppy-arguments": "R2.4", + "sloppy-mode": "R2.4", + "builtin-write": "R2.5", + proxy: "R2.5", +}; + +export function ruleOfReason(reason: string): NodeIslandRule | null { + return REASON_RULES[reason] ?? null; +} + +export function classOfRule(rule: NodeIslandRule): NodeIslandClass { + return rule.startsWith("R1.") ? "runtime" : "object-model"; +} + +/** The decisive class first: a runtime need outranks an object-model need, + * which outranks shipping problems; a gap is a package's class only when + * nothing else keeps it out of the native subset (fixing the gap would make + * it native). */ +export function classRank(cls: NodeIslandClass): number { + if (cls === "runtime") return 0; + if (cls === "object-model") return 1; + if (cls === "packaging") return 2; + if (cls === "gap") return 3; + return 4; +} + +/** Report order: gap islands first (compiler work hidden behind an + * island), then the rest by rank. */ +export function reportRank(cls: NodeIslandClass): number { + if (cls === "gap") return 0; + return classRank(cls) + 1; +} + +export function classDescription(cls: NodeIslandClass): string { + if (cls === "runtime") return "needs the JavaScript runtime"; + if (cls === "object-model") return "needs a mutable object model"; + if (cls === "gap") return "inside the native subset, but scriptc cannot compile it yet"; + if (cls === "packaging") return "not compilable as shipped"; + return "marked to run in Node"; +} diff --git a/packages/compiler/src/node-islands/scan.ts b/packages/compiler/src/node-islands/scan.ts new file mode 100644 index 000000000..0ac082e73 --- /dev/null +++ b/packages/compiler/src/node-islands/scan.ts @@ -0,0 +1,155 @@ +/* The program-level half of the detector: which modules a program loads, + * the pre-scan markers in each, and the package import edges the island + * closure needs. The frontend calls it on its final program (and on the + * program that still held a package the drop-and-reload loop removed). */ +import type { ScrDiagnostic } from "../diagnostics/diagnostic.js"; +import type { SrcLoc } from "../ir/ir.js"; +import * as ts from "../frontend/ts7/adapter.js"; +import { canonicalBuiltinModule, npmBuiltinAliasOf } from "../frontend/builtin-modules.js"; +import { erasedTypeOnlyImport } from "../frontend/type-only-imports.js"; +import { isShimmedImport } from "../frontend/package-shims.js"; +import { resolveBareModule } from "../frontend/resolve.js"; +import { isJsSourceFileName } from "../frontend/tsc-codes.js"; +import { isRelativeSpecifier, packageNameOfSpecifier } from "../frontend/workspace-registry.js"; +import { moduleSourceCandidates } from "../frontend/module-source-candidates.js"; +import { scanModule, type NodeIslandMarker } from "./detect.js"; +import { originOf, packageDirOf, type Origin } from "./origin.js"; + +export interface ScannedModule { + file: string; + origin: Origin; + /** The npm package directory, for npm modules. */ + packageDir: string | null; + packageName: string | null; + markers: NodeIslandMarker[]; + /** True for a module of a package the drop-and-reload loop removed. */ + dropped: boolean; +} + +/** One import of an npm package. */ +export interface PackageEdge { + /** The importing package's directory; null for user code. */ + fromDir: string | null; + fromFile: string; + /** The imported package's name. */ + to: string; + /** Its directory when the import resolves to installed JavaScript. */ + toDir: string | null; + /** Served by a registry shim, a builtin alias, or marked unloaded. */ + shim: boolean; + loc: SrcLoc; +} + +/** How the drop-and-reload loop refused a package. */ +export type RefusalKind = "preflight" | "offender" | "degrade" | "typecheck" | "external"; + +export interface RefusalRecord { + package: string; + kind: RefusalKind; + /** The package-anchored preflight diagnostic, for kind "preflight". */ + diag: ScrDiagnostic | null; +} + +export interface NodeIslandScan { + modules: ScannedModule[]; + edges: PackageEdge[]; + refusals: RefusalRecord[]; +} + +export function emptyScan(): NodeIslandScan { + return { modules: [], edges: [], refusals: [] }; +} + +function locOfNode(node: ts.Node): SrcLoc { + const sf = ts.getSourceFileOfNode(node); + return { file: sf.fileName, start: ts.tokenStartOfNode(node), end: node.end }; +} + +/** The literal module specifiers of a file with their sites: top-level + * import and export declarations, and the require() and import() calls the + * program's shared module-source scan already collected (no second walk). */ +function specifiersOf(program: ts.Program, sf: ts.SourceFile): { spec: string; node: ts.Node }[] { + const out: { spec: string; node: ts.Node }[] = []; + for (const node of sf.statements.nodes) { + if ( + (ts.isImportDeclaration(node) || ts.isExportDeclaration(node)) && + node.moduleSpecifier !== undefined && + ts.isStringLiteral(node.moduleSpecifier) + ) { + // Type-only imports load nothing. + const typeOnly = ts.isImportDeclaration(node) ? erasedTypeOnlyImport(node) : node.isTypeOnly; + if (!typeOnly) out.push({ spec: node.moduleSpecifier.text, node }); + } + } + for (const call of moduleSourceCandidates(program, sf).calls) { + const arg = call.arguments.nodes[0]; + if ( + arg !== undefined && + ts.isStringLiteralLike(arg) && + (call.expression.kind === ts.SyntaxKind.ImportKeyword || + (ts.isIdentifier(call.expression) && call.expression.text === "require")) + ) + out.push({ spec: arg.text, node: call }); + } + return out; +} + +/** Scans `files`: markers for npm JavaScript (and for user JavaScript when + * `userJs`), and package edges for every file when `edges` (a program with + * no npm package has none to find). */ +export function scanFiles( + program: ts.Program, + files: readonly ts.SourceFile[], + opts: { userJs: boolean; dropped: boolean; edges: boolean }, +): { modules: ScannedModule[]; edges: PackageEdge[] } { + const modules: ScannedModule[] = []; + const edges: PackageEdge[] = []; + const seen = new Set(); + for (const sf of files) { + if (seen.has(sf.fileName)) continue; + seen.add(sf.fileName); + const origin = originOf(sf.fileName); + if (origin === "builtin" || origin === "shim") continue; + const at = origin === "npm" ? packageDirOf(sf.fileName) : null; + const js = isJsSourceFileName(sf.fileName); + const markers = js && (origin === "npm" || opts.userJs) ? scanModule(sf) : []; + modules.push({ + file: sf.fileName, + origin, + packageDir: at === null ? null : at.dir, + packageName: at === null ? null : at.name, + markers, + dropped: opts.dropped, + }); + if (!opts.edges) continue; + for (const { spec, node } of specifiersOf(program, sf)) { + if (isRelativeSpecifier(spec) || spec.startsWith("/") || spec.startsWith("#")) continue; + // scriptc's own packages lower at their use sites. + if (spec.startsWith("@scriptc/")) continue; + const alias = npmBuiltinAliasOf(spec); + if (alias === null && (spec.startsWith("node:") || canonicalBuiltinModule(spec) !== null)) + continue; + const name = packageNameOfSpecifier(spec); + const shim = alias !== null || isShimmedImport(sf.fileName, spec); + let toDir: string | null = null; + if (!shim) { + const resolved = resolveBareModule(sf.fileName, spec, "js-only"); + if (resolved !== null) { + const target = packageDirOf(resolved.typesFile); + // A workspace package compiled from source is user code. + if (target === null) continue; + toDir = target.dir; + } + } + edges.push({ + fromDir: at === null ? null : at.dir, + fromFile: sf.fileName, + to: name, + toDir, + shim, + loc: locOfNode(node), + }); + } + } + return { modules, edges }; +} diff --git a/packages/compiler/src/node-islands/summary.ts b/packages/compiler/src/node-islands/summary.ts new file mode 100644 index 000000000..8108d985c --- /dev/null +++ b/packages/compiler/src/node-islands/summary.ts @@ -0,0 +1,110 @@ +/* The Node island report's data model and the small helpers coverage + * rendering needs. Kept free of compiler imports: the coverage report (and + * the CLI's verdict-replay fast path behind it) loads this module. */ +import type { ScrDiagnostic } from "../diagnostics/diagnostic.js"; +import type { SrcLoc } from "../ir/ir.js"; +import type { DecisionSource, NodeIslandPolicy } from "./policy.js"; +import type { NodeIslandClass, NodeIslandRule } from "./rules.js"; + +export type NodeIslandReasonSource = "pre-scan" | "refusal" | "fence" | "package"; + +export interface NodeIslandReason { + class: NodeIslandClass; + rule: NodeIslandRule | null; + /** Reason id: a rules.ts id, "gap" or "packaging". */ + reason: string; + /** The SC code of the refusal, when the reason is a diagnostic. */ + code: string | null; + message: string; + loc: SrcLoc | null; + source: NodeIslandReasonSource; +} + +export type IslandDecision = "auto" | "config" | "cli"; + +export interface NodeIslandEntry { + package: string; + version: string | null; + /** The package directory (the instance), when it is installed. */ + path: string | null; + class: NodeIslandClass; + /** The first decisive reason, rendered. */ + reason: string; + /** The SC code of the first decisive reason, when it is a refusal. */ + diagnostic: string | null; + decision: IslandDecision; + /** Every reason, in report order (decisive class first, then source + * order). */ + reasons: NodeIslandReason[]; + /** Modules of the package with at least one reason. */ + modules: number; + /** Packages imported only through this island, which run inside it. */ + carries: string[]; + /** Where native code imports the package: the island boundary. */ + importedFrom: SrcLoc[]; + /** Report-only: deferral (NI-7) is not decided yet, so every island + * would evaluate eagerly at its module position. */ + evaluation: "eager"; +} + +export interface UserModuleIsland { + file: string; + source: DecisionSource; +} + +export interface NativePackage { + package: string; + version: string | null; + path: string | null; + /** "native": compiles natively; "inside": runs inside an island's + * closure; "shared": reached from native code and from an island. */ + status: "native" | "inside" | "shared"; + /** For inside and shared: the islands that reach it. */ + islands: string[]; +} + +export interface NodeIslandReport { + mode: "would-be"; + policy: NodeIslandPolicy["mode"]; + islands: NodeIslandEntry[]; + packages: NativePackage[]; + userModules: UserModuleIsland[]; + /** Would-be errors: SC8002 (islands off) and SC8003 (marked native). */ + violations: ScrDiagnostic[]; + /** SC8101–SC8105 for user JavaScript (only with --strict-user-js). */ + userJs: ScrDiagnostic[]; + /** --native / --node-island / config package names the program does + * not import. */ + unknownPackages: string[]; +} + +/** "R2.1 constructor functions: 'new Foo()' of a function" or + * "SC2012: ". */ +export function describe(r: NodeIslandReason): string { + if (r.source === "pre-scan" && r.rule !== null) return `${r.rule} ${r.message}`; + const rule = r.rule === null ? "" : `${r.rule} `; + return r.code === null ? `${rule}${r.message}` : `${rule}${r.code}: ${r.message}`; +} + +/** True when the report has decisions to show (islands, marked modules, + * policy errors or unknown names); SC81xx findings alone render as + * blockers. */ +export function hasNodeIslandDecisions(report: NodeIslandReport): boolean { + return ( + report.islands.length > 0 || + report.userModules.length > 0 || + report.violations.length > 0 || + report.unknownPackages.length > 0 + ); +} + +/** True when the report has anything to show. */ +export function hasNodeIslandFindings(report: NodeIslandReport): boolean { + return ( + report.islands.length > 0 || + report.userModules.length > 0 || + report.violations.length > 0 || + report.userJs.length > 0 || + report.unknownPackages.length > 0 + ); +} diff --git a/packages/compiler/src/project-config.test.ts b/packages/compiler/src/project-config.test.ts new file mode 100644 index 000000000..58ae914ca --- /dev/null +++ b/packages/compiler/src/project-config.test.ts @@ -0,0 +1,166 @@ +import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs"; +import { tmpdir } from "node:os"; +import { join } from "node:path"; +import { expect, test } from "vitest"; +import { parseProjectConfig, readProjectConfig } from "./project-config.js"; + +const manifest = "/project/package.json"; + +function config(scriptc: unknown) { + return parseProjectConfig(manifest, JSON.stringify({ name: "app", scriptc }, null, 2)); +} + +test("a package.json without a scriptc key has the default configuration", () => { + const c = parseProjectConfig(manifest, '{ "name": "app" }'); + expect(c.diagnostics).toEqual([]); + expect(c.packages.size).toBe(0); + expect(c.nodeIslands).toEqual({ + auto: true, + modules: [], + node: null, + nodeVersion: null, + packaging: "embedded", + speculativeStart: false, + }); + expect(parseProjectConfig(manifest, "{ not json").diagnostics).toEqual([]); +}); + +test("readProjectConfig reads the nearest package.json like parseProjectConfig", () => { + const root = mkdtempSync(join(tmpdir(), "scriptc-project-config-")); + try { + const manifests = [ + '{ "name": "app", "type": "module" }', + '{ "name": "app", "\\u0073criptc": { "packages": { "encoding": "unloaded" } } }', + '{ "name": "app", "scriptc": { "packages": { "encoding": "unloaded", "x": "bogus" } } }', + ]; + manifests.forEach((text, i) => { + const dir = join(root, `p${i}`, "src"); + mkdirSync(dir, { recursive: true }); + writeFileSync(join(root, `p${i}`, "package.json"), text); + const read = readProjectConfig(join(dir, "main.ts")); + const parsed = parseProjectConfig(join(root, `p${i}`, "package.json"), text); + expect(read.manifest).toBe(parsed.manifest); + expect(read.manifestText).toBe(text); + expect([...read.packages]).toEqual([...parsed.packages]); + expect(read.nodeIslands).toEqual(parsed.nodeIslands); + expect(read.diagnostics).toEqual(parsed.diagnostics); + }); + expect( + readProjectConfig(join(root, "p1", "src", "main.ts")).packages.get("encoding")?.unloaded, + ).toBe(true); + } finally { + rmSync(root, { recursive: true, force: true }); + } +}); + +test("package settings: strings and objects", () => { + const c = config({ + packages: { + encoding: "unloaded", + "dd-trace": "node", + "hot-shots": "native", + semver: "auto", + "proper-lockfile": { run: "node", evaluate: "lazy", share: "duplicate" }, + }, + }); + expect(c.diagnostics).toEqual([]); + expect(c.packages.get("encoding")?.unloaded).toBe(true); + expect(c.packages.get("dd-trace")?.run).toBe("node"); + expect(c.packages.get("hot-shots")?.run).toBe("native"); + expect(c.packages.get("semver")?.run).toBe("auto"); + expect(c.packages.get("proper-lockfile")).toEqual({ + unloaded: false, + run: "node", + evaluate: "lazy", + share: "duplicate", + marshal: "copy", + schedule: "lockstep", + }); +}); + +test("nodeIslands settings", () => { + const c = config({ + nodeIslands: { + auto: false, + modules: ["src/plugins/*.ts"], + node: "/usr/local/bin/node", + nodeVersion: ">=24.13.1", + packaging: "beside", + speculativeStart: true, + }, + wasm: ["build/a.wasm", 3], + }); + expect(c.diagnostics).toEqual([]); + expect(c.nodeIslands).toEqual({ + auto: false, + modules: ["src/plugins/*.ts"], + node: "/usr/local/bin/node", + nodeVersion: ">=24.13.1", + packaging: "beside", + speculativeStart: true, + }); + // scriptc.wasm keeps its lenient reading. + expect(c.wasm).toEqual(["/project/build/a.wasm"]); +}); + +test("unknown keys and values are SC8004, located at the key", () => { + const text = JSON.stringify( + { + name: "app", + scriptc: { + packages: { + encoding: "unloded", + debug: { run: "node", evaluate: "later", color: true }, + ms: 3, + }, + nodeIslands: { auto: "yes", mode: "auto", modules: "src/x.ts", packaging: "zip" }, + }, + }, + null, + 2, + ); + const c = parseProjectConfig(manifest, text); + expect(c.diagnostics.map((d) => [d.code, d.message])).toEqual([ + ["SC8004", `package.json 'scriptc.packages.encoding' has the unknown value "unloded"`], + ["SC8004", `package.json 'scriptc.packages.debug.evaluate' has the unknown value "later"`], + ["SC8004", "package.json 'scriptc.packages.debug.color' is not a known package setting"], + ["SC8004", "package.json 'scriptc.packages.ms' must be a string or an object, not 3"], + ["SC8004", `package.json 'scriptc.nodeIslands.auto' must be true or false, not "yes"`], + ["SC8004", "package.json 'scriptc.nodeIslands.mode' is not a known Node island setting"], + [ + "SC8004", + `package.json 'scriptc.nodeIslands.modules' must be an array of module paths or globs, not "src/x.ts"`, + ], + ["SC8004", `package.json 'scriptc.nodeIslands.packaging' has the unknown value "zip"`], + ]); + // Locations point at the offending key inside the scriptc object. + const at = (i: number) => text.slice(c.diagnostics[i]!.loc.start).split(":")[0]; + expect(at(0)).toBe('"encoding"'); + expect(at(1)).toBe('"evaluate"'); + expect(at(5)).toBe('"mode"'); + for (const d of c.diagnostics) expect(d.loc.file).toBe(manifest); + // Invalid entries are not applied; valid siblings are. + expect(c.packages.has("encoding")).toBe(false); + expect(c.packages.has("debug")).toBe(false); + expect(c.nodeIslands.auto).toBe(true); +}); + +test("a non-object packages or nodeIslands value is SC8004", () => { + expect(config({ packages: ["a"] }).diagnostics.map((d) => d.message)).toEqual([ + "package.json 'scriptc.packages' must be an object mapping package names to settings, not an array", + ]); + expect(config({ nodeIslands: true }).diagnostics.map((d) => d.message)).toEqual([ + "package.json 'scriptc.nodeIslands' must be an object, not true", + ]); + // Other keys of the scriptc object belong to other readers. + expect(config({ somethingElse: 1 }).diagnostics).toEqual([]); +}); + +test("package setting keys named like Object.prototype members are unknown settings", () => { + const c = config({ packages: { debug: { constructor: "node", toString: "node" } } }); + expect(c.diagnostics.map((d) => [d.code, d.message])).toEqual([ + ["SC8004", "package.json 'scriptc.packages.debug.constructor' is not a known package setting"], + ["SC8004", "package.json 'scriptc.packages.debug.toString' is not a known package setting"], + ]); + expect(c.packages.has("debug")).toBe(false); +}); diff --git a/packages/compiler/src/project-config.ts b/packages/compiler/src/project-config.ts new file mode 100644 index 000000000..997e997c1 --- /dev/null +++ b/packages/compiler/src/project-config.ts @@ -0,0 +1,429 @@ +/* The project configuration: the `scriptc` key of the entry's nearest + * package.json. One reader for every consumer (package shims, the + * WebAssembly scanner, the Node island policy), with a schema: a value + * this compiler does not know in `scriptc.packages` or + * `scriptc.nodeIslands` is SC8004 instead of being ignored, because an + * ignored setting is a silent divergence from what the project asked for. + * + * "scriptc": { + * "packages": { + * "encoding": "unloaded", // never loaded (package-shims.ts) + * "dd-trace": "node", // run in a Node island + * "hot-shots": "native", // must compile natively (SC8003) + * "proper-lockfile": { "run": "node", "evaluate": "lazy" } + * }, + * "nodeIslands": { "auto": true, "modules": ["src/plugins/*.ts"] }, + * "wasm": ["build/module.wasm"] + * } + * + * Node islands are report-only in this version: the policy decides which + * packages and modules WOULD run in Node, and coverage reports it, but code + * generation does not change. Other keys of the `scriptc` object are left + * to their own readers. */ +import { dirname, join, resolve } from "node:path"; +import { projectConfigDiag, type ScrDiagnostic } from "./diagnostics/diagnostic.js"; +import { trackedReadFile } from "./frontend/input-tracker.js"; + +/** How a package runs: compiled natively, in a Node island, or decided by + * the detector. */ +export type PackageRun = "native" | "node" | "auto"; +export type PackageEvaluate = "auto" | "lazy" | "eager"; +export type PackageShare = "auto" | "shared" | "duplicate"; +export type PackageMarshal = "copy" | "handles"; +export type PackageSchedule = "lockstep" | "free"; + +/** One `scriptc.packages.` entry. `unloaded` packages never load; + * the other settings choose where the package runs. */ +export interface PackageSetting { + unloaded: boolean; + run: PackageRun; + evaluate: PackageEvaluate; + share: PackageShare; + marshal: PackageMarshal; + schedule: PackageSchedule; +} + +export interface NodeIslandsSetting { + /** Automatic Node islands for npm code outside the native subset. */ + auto: boolean; + /** User modules (paths or globs relative to the package.json) that run + * in Node. */ + modules: string[]; + /** The `node` executable recorded into the binary. */ + node: string | null; + /** A semver range checked at the helper handshake. */ + nodeVersion: string | null; + packaging: "embedded" | "beside"; + speculativeStart: boolean; +} + +export interface ProjectConfig { + /** The package.json the configuration came from, or null. */ + manifest: string | null; + /** Its text, for diagnostic code frames. */ + manifestText: string | null; + packages: Map; + nodeIslands: NodeIslandsSetting; + /** `scriptc.wasm`: module paths, resolved against the manifest. */ + wasm: string[]; + /** SC8004 for every unknown key or value. */ + diagnostics: ScrDiagnostic[]; +} + +const PACKAGE_STRINGS = ["unloaded", "node", "native", "auto"]; +const PACKAGE_OBJECT_KEYS: Record = { + run: ["native", "node", "auto"], + evaluate: ["auto", "lazy", "eager"], + share: ["auto", "shared", "duplicate"], + marshal: ["copy", "handles"], + schedule: ["lockstep", "free"], +}; +const NODE_ISLANDS_KEYS = [ + "auto", + "modules", + "node", + "nodeVersion", + "packaging", + "speculativeStart", +]; + +function defaultPackageSetting(): PackageSetting { + return { + unloaded: false, + run: "auto", + evaluate: "auto", + share: "auto", + marshal: "copy", + schedule: "lockstep", + }; +} + +function defaultNodeIslands(): NodeIslandsSetting { + return { + auto: true, + modules: [], + node: null, + nodeVersion: null, + packaging: "embedded", + speculativeStart: false, + }; +} + +/** The empty configuration of a project without a package.json. */ +export function emptyProjectConfig(): ProjectConfig { + return { + manifest: null, + manifestText: null, + packages: new Map(), + nodeIslands: defaultNodeIslands(), + wasm: [], + diagnostics: [], + }; +} + +function isRecord(value: unknown): value is Record { + return value !== null && typeof value === "object" && !Array.isArray(value); +} + +function quoted(values: string[]): string { + return values.map((v) => `"${v}"`).join(", "); +} + +/** A short rendering of a JSON value for a message. */ +function shown(value: unknown): string { + if (typeof value === "string") return `"${value}"`; + if (value === null) return "null"; + if (Array.isArray(value)) return "an array"; + if (typeof value === "object") return "an object"; + return String(value); +} + +/** Reads and validates one package.json text. Exported for tests. */ +export function parseProjectConfig(manifest: string, text: string): ProjectConfig { + const config = emptyProjectConfig(); + config.manifest = manifest; + config.manifestText = text; + let parsed: unknown = null; + try { + parsed = JSON.parse(text); + } catch { + // Node reports a malformed package.json itself; the configuration is + // simply absent here, as before. + return config; + } + if (!isRecord(parsed)) return config; + const root = parsed["scriptc"]; + if (!isRecord(root)) return config; + const locate = new JsonLocator(text); + const problem = (path: string[], detail: string, hint: string): void => { + config.diagnostics.push( + projectConfigDiag(`scriptc.${path.join(".")}`, detail, hint, { + file: manifest, + start: locate.offsetOf(["scriptc", ...path]), + end: locate.offsetOf(["scriptc", ...path]), + }), + ); + }; + + const packages = root["packages"]; + if (packages !== undefined) { + if (!isRecord(packages)) { + problem( + ["packages"], + `must be an object mapping package names to settings, not ${shown(packages)}`, + `write "packages": { "": "auto" }`, + ); + } else { + for (const name of Object.keys(packages)) { + const value = packages[name]; + const setting = defaultPackageSetting(); + if (typeof value === "string") { + if (!PACKAGE_STRINGS.includes(value)) { + problem( + ["packages", name], + `has the unknown value ${shown(value)}`, + `use one of ${quoted(PACKAGE_STRINGS)}, or an object with ${Object.keys(PACKAGE_OBJECT_KEYS).join(", ")}`, + ); + continue; + } + if (value === "unloaded") setting.unloaded = true; + else setting.run = value as PackageRun; + config.packages.set(name, setting); + continue; + } + if (!isRecord(value)) { + problem( + ["packages", name], + `must be a string or an object, not ${shown(value)}`, + `use one of ${quoted(PACKAGE_STRINGS)}, or an object with ${Object.keys(PACKAGE_OBJECT_KEYS).join(", ")}`, + ); + continue; + } + let valid = true; + for (const key of Object.keys(value)) { + const allowed = Object.hasOwn(PACKAGE_OBJECT_KEYS, key) + ? PACKAGE_OBJECT_KEYS[key] + : undefined; + if (allowed === undefined) { + problem( + ["packages", name, key], + "is not a known package setting", + `the settings are ${Object.keys(PACKAGE_OBJECT_KEYS).join(", ")}`, + ); + valid = false; + continue; + } + const v = value[key]; + if (typeof v !== "string" || !allowed.includes(v)) { + problem( + ["packages", name, key], + `has the unknown value ${shown(v)}`, + `use one of ${quoted(allowed)}`, + ); + valid = false; + continue; + } + if (key === "run") setting.run = v as PackageRun; + else if (key === "evaluate") setting.evaluate = v as PackageEvaluate; + else if (key === "share") setting.share = v as PackageShare; + else if (key === "marshal") setting.marshal = v as PackageMarshal; + else setting.schedule = v as PackageSchedule; + } + if (valid) config.packages.set(name, setting); + } + } + } + + const islands = root["nodeIslands"]; + if (islands !== undefined) { + if (!isRecord(islands)) { + problem( + ["nodeIslands"], + `must be an object, not ${shown(islands)}`, + `write "nodeIslands": { "auto": true }`, + ); + } else { + const setting = config.nodeIslands; + for (const key of Object.keys(islands)) { + const v = islands[key]; + if (!NODE_ISLANDS_KEYS.includes(key)) { + problem( + ["nodeIslands", key], + "is not a known Node island setting", + `the settings are ${NODE_ISLANDS_KEYS.join(", ")}`, + ); + } else if (key === "auto" || key === "speculativeStart") { + if (typeof v !== "boolean") { + problem( + ["nodeIslands", key], + `must be true or false, not ${shown(v)}`, + "use a boolean", + ); + } else if (key === "auto") setting.auto = v; + else setting.speculativeStart = v; + } else if (key === "modules") { + const list: string[] = []; + let ok = Array.isArray(v); + if (Array.isArray(v)) { + for (const entry of v as unknown[]) { + if (typeof entry === "string" && entry !== "") list.push(entry); + else ok = false; + } + } + if (!ok) { + problem( + ["nodeIslands", key], + `must be an array of module paths or globs, not ${shown(v)}`, + `write "modules": ["src/plugins/loader.ts"]`, + ); + } else setting.modules = list; + } else if (key === "packaging") { + if (v !== "embedded" && v !== "beside") { + problem( + ["nodeIslands", key], + `has the unknown value ${shown(v)}`, + `use "embedded" or "beside"`, + ); + } else setting.packaging = v; + } else if (typeof v !== "string" || v === "") { + problem( + ["nodeIslands", key], + `must be a non-empty string, not ${shown(v)}`, + key === "node" + ? "give the path of the node executable" + : `write a range such as ">=24.13.1"`, + ); + } else if (key === "node") setting.node = v; + else setting.nodeVersion = v; + } + } + } + + // `scriptc.wasm` keeps its lenient reading: string entries of an array. + const wasm = root["wasm"]; + if (Array.isArray(wasm)) { + for (const entry of wasm as unknown[]) { + if (typeof entry === "string") config.wasm.push(resolve(dirname(manifest), entry)); + } + } + return config; +} + +let cachedManifest: string | null = null; +let cachedText: string | null = null; +let cachedConfig: ProjectConfig | null = null; + +/** The configuration of the entry's nearest package.json (the first one + * found walking up from the entry's directory, readable or not). */ +export function readProjectConfig(entryPath: string): ProjectConfig { + for (let dir = dirname(resolve(entryPath)); ;) { + const manifest = join(dir, "package.json"); + const text = trackedReadFile(manifest); + if (text !== null) { + if (cachedConfig !== null && cachedManifest === manifest && cachedText === text) + return cachedConfig; + // A manifest without a `scriptc` key (none spelled out, none behind a + // \u escape) has the empty configuration; builds of such projects + // skip parsing and validating it. + const config = + text.includes("scriptc") || text.includes("\\u") + ? parseProjectConfig(manifest, text) + : { ...emptyProjectConfig(), manifest, manifestText: text }; + cachedManifest = manifest; + cachedText = text; + cachedConfig = config; + return config; + } + const parent = dirname(dir); + if (parent === dir) return emptyProjectConfig(); + dir = parent; + } +} + +/** Offsets of keys in a JSON text, for diagnostic locations. It follows + * object nesting so `["scriptc", "packages", "x"]` finds the key `"x"` + * inside `scriptc.packages`, not an earlier `"x"` elsewhere. */ +class JsonLocator { + constructor(private readonly text: string) {} + + /** The offset of the last key of `path` that could be found (0 when + * none). */ + offsetOf(path: string[]): number { + let start = 0; + let end = this.text.length; + let found = 0; + for (const key of path) { + const at = this.keyIn(key, start, end); + if (at < 0) break; + found = at; + // The key's value: from after the colon to the end of its object. + const colon = this.text.indexOf(":", at); + if (colon < 0) break; + start = colon + 1; + end = this.valueEnd(start, end); + } + return found; + } + + /** A direct key of the object starting at or after `start`. */ + private keyIn(key: string, start: number, end: number): number { + const text = this.text; + let depth = 0; + let i = start; + while (i < end) { + const ch = text.charCodeAt(i); + if (ch === 34 /* " */) { + const close = this.stringEnd(i); + if (depth === 1 && text.slice(i + 1, close) === key) { + let j = close + 1; + while (j < end && /\s/.test(text.charAt(j))) j++; + if (text.charAt(j) === ":") return i; + } + i = close + 1; + continue; + } + if (ch === 123 /* { */ || ch === 91 /* [ */) depth++; + else if (ch === 125 /* } */ || ch === 93 /* ] */) { + depth--; + if (depth <= 0) return -1; + } + i++; + } + return -1; + } + + private stringEnd(open: number): number { + const text = this.text; + let i = open + 1; + while (i < text.length) { + const ch = text.charCodeAt(i); + if (ch === 92 /* \ */) i += 2; + else if (ch === 34) return i; + else i++; + } + return text.length; + } + + /** The end of the JSON value that starts at or after `start`. */ + private valueEnd(start: number, end: number): number { + const text = this.text; + let i = start; + while (i < end && /\s/.test(text.charAt(i))) i++; + let depth = 0; + while (i < end) { + const ch = text.charCodeAt(i); + if (ch === 34) { + i = this.stringEnd(i) + 1; + if (depth === 0) return i; + continue; + } + if (ch === 123 || ch === 91) depth++; + else if (ch === 125 || ch === 93) { + depth--; + if (depth <= 0) return i + 1; + } else if (depth === 0 && ch === 44 /* , */) return i; + i++; + } + return end; + } +} diff --git a/packages/compiler/src/wasm/discover.ts b/packages/compiler/src/wasm/discover.ts index de38bf64f..3cdc3eb96 100644 --- a/packages/compiler/src/wasm/discover.ts +++ b/packages/compiler/src/wasm/discover.ts @@ -24,11 +24,8 @@ import { createHash } from "node:crypto"; import { readFileSync } from "node:fs"; import { dirname, isAbsolute, join, resolve } from "node:path"; import * as ts from "../frontend/ts7/adapter.js"; -import { - trackedAccessibleEntries, - trackedFileExists, - trackedReadFile, -} from "../frontend/input-tracker.js"; +import { trackedAccessibleEntries, trackedReadFile } from "../frontend/input-tracker.js"; +import { readProjectConfig } from "../project-config.js"; import { analyzeWasm, isWasmHeader, type WasmModuleSummary } from "./binary.js"; import { decodeBase64 } from "./base64.js"; @@ -282,24 +279,10 @@ class Discovery { // ── source 4: configuration ───────────────────────────────────────── scanConfig(): void { - const manifest = nearestPackageJson(dirname(this.input.entry)); - if (manifest !== null) { - const text = trackedReadFile(manifest); - if (text !== null) { - let listed: unknown; - try { - const parsed = JSON.parse(text) as { scriptc?: { wasm?: unknown } }; - listed = parsed.scriptc?.wasm; - } catch { - listed = undefined; - } - if (Array.isArray(listed)) { - for (const entry of listed) { - if (typeof entry === "string") { - this.addFile(resolve(dirname(manifest), entry), { kind: "config", file: manifest }); - } - } - } + const config = readProjectConfig(this.input.entry); + if (config.manifest !== null) { + for (const path of config.wasm) { + this.addFile(path, { kind: "config", file: config.manifest }); } } for (const path of this.input.configured) { @@ -396,16 +379,6 @@ function collectWasmFiles(dir: string, depth: number, out: string[]): void { } } -function nearestPackageJson(dir: string): string | null { - for (;;) { - const candidate = join(dir, "package.json"); - if (trackedFileExists(candidate)) return candidate; - const parent = dirname(dir); - if (parent === dir) return null; - dir = parent; - } -} - /** Every WebAssembly module the program's sources, packages and * configuration make visible to the build, in discovery order. */ export function discoverWasmModules(input: WasmDiscoveryInput): WasmModuleReport[] { diff --git a/packages/compiler/test/array-pipeline-fusion.test.ts b/packages/compiler/test/array-pipeline-fusion.test.ts index 55cd0025e..2c0c138ce 100644 --- a/packages/compiler/test/array-pipeline-fusion.test.ts +++ b/packages/compiler/test/array-pipeline-fusion.test.ts @@ -108,5 +108,161 @@ const kept = rows.filter((r) => r.value > 3); console.log(kept.map((r) => r.id).length, kept.length); ${postlude}`); expect(init(mod).locals.some((l) => l.name === "kept")).toBe(true); - expect(helperCalls(init(mod))).toEqual(["%arr.filter", "%arr.fused"]); + expect(helperCalls(init(mod))).toEqual(["%arr.fused", "%arr.loop"]); +}); + +test("a lone call with a stable closure-literal callback runs as a loop", async () => { + const mod = await lowerSource(`${prelude} +const scale = 3; +const scaled = rows.map((r) => r.value * scale); +let total = 0; +rows.forEach((r) => { total += r.value; }); +const big = rows.filter((r) => r.value > scale); +const sum = scaled.reduce((acc, v) => acc + v, 0); +console.log(scaled.length, total, big.length, sum, rows.some((r) => r.id === scale)); +${postlude}`); + // forEach assigns \`total\`, a binding of \`run\`: it keeps its helper. + expect(helperCalls(init(mod))).toEqual([ + "%arr.forEach", + "%arr.loop", + "%arr.loop", + "%arr.loop", + "%arr.loop", + ]); + const loops = mod.functions.filter((f) => f.name.startsWith("%arr.loop.")); + expect(loops).toHaveLength(4); + // The callback bodies are copied into the loops: no closure value is + // created or called, and the captured \`scale\` is a plain parameter. + for (const fn of loops) { + expect(count(fn, "callValue")).toBe(0); + expect(count(fn, "closure")).toBe(0); + } + expect(count(init(mod), "closure")).toBe(1); + // No closure captures \`scale\` any more, so it needs no box. + expect(init(mod).locals.find((l) => l.name === "scale")?.boxed).toBeUndefined(); +}); + +test("a lone call keeps its helper when a capture can change while it runs", async () => { + const mod = await lowerSource(`${prelude} +let limit = 2; +const bump = (): void => { limit++; }; +const a = rows.filter((r) => { bump(); return r.id < limit; }); +let step = 1; +step = 2; +const b = rows.map((r) => r.id * step); +console.log(a.length, b.length, limit); +${postlude}`); + expect(helperCalls(init(mod))).toEqual(["%arr.filter", "%arr.map"]); +}); + +test("a lone call keeps its helper when a local class's method can assign a capture", async () => { + const mod = await lowerSource(`${prelude} +let k = 1; +class Bump { + go(): void { k = 10; } +} +const b = new Bump(); +const out = rows.map((r) => { if (r.id === 2) b.go(); return r.id * k; }); +console.log(out.join(",")); +${postlude}`); + expect(helperCalls(init(mod))).toEqual(["%arr.map"]); +}); + +test("a copied callback keeps its switch and for-of labels and bindings", async () => { + const mod = await lowerSource(`${prelude} +const out = rows.map((r) => { + let n = 0; + outer: switch (r.id % 3) { + case 0: + n = 10; + break outer; + case 1: + inner: for (const v of [1, 2, 3]) { + n += v; + if (v === 2) break outer; + if (v === 3) continue inner; + } + break; + default: + n = r.value; + } + return n; +}); +console.log(out.join(",")); +${postlude}`); + expect(helperCalls(init(mod))).toEqual(["%arr.loop"]); +}); + +test("a copied callback's switch-local records and known unions are rewritten in its cases", async () => { + const mod = await lowerSource(`${prelude} +type Shape = { kind: "sq"; side: number } | { kind: "rect"; w: number; h: number }; +const out = rows.map((r) => { + switch (r.id % 3) { + case 0: + const p = { a: r.id, b: 2 }; + return p.a + p.b; + case 1: + const sq = { kind: "sq" as const, side: r.value }; + const s: Shape = sq; + return s.kind === "sq" ? s.side * 10 : 0; + default: + return r.value; + } +}); +console.log(out.join(",")); +${postlude}`); + expect(helperCalls(init(mod))).toEqual(["%arr.loop"]); +}); + +test("a copied callback with early returns keeps its switch labels", async () => { + const mod = await lowerSource(`${prelude} +const out = rows.map((r) => { + let n = 0; + outer: switch (r.id % 4) { + case 0: + return -1; + case 1: + n = 10; + break outer; + default: + inner: switch (r.value % 2) { + case 0: + n = r.value; + break outer; + default: + break inner; + } + n = 1; + } + return n; +}); +const hit = rows.some((r) => { + pick: switch (r.id) { + case 3: + break pick; + default: + return false; + } + return true; +}); +console.log(out.join(","), hit); +${postlude}`); + expect(helperCalls(init(mod))).toEqual(["%arr.loop", "%arr.loop"]); +}); + +test("a lone call in a local class's method keeps its helper for the class's captures", async () => { + const mod = await lowerSource(`${prelude} +let k = 1; +class Box { + set(v: number): void { k = v; } + go(): number[] { + const b = new Box(); + return rows.map((r) => { b.set(r.id); return r.value + k; }); + } +} +console.log(new Box().go().join(",")); +${postlude}`); + const go = mod.functions.find((f) => f.name.endsWith(".Box.go")); + expect(go).toBeDefined(); + expect(helperCalls(go!)).toEqual(["%arr.map"]); }); diff --git a/packages/compiler/test/callback-pending-emission.test.ts b/packages/compiler/test/callback-pending-emission.test.ts index 9dcbbf0a1..3b2ed3823 100644 --- a/packages/compiler/test/callback-pending-emission.test.ts +++ b/packages/compiler/test/callback-pending-emission.test.ts @@ -9,7 +9,9 @@ import { emitLlvmModule } from "../src/backend/llvm/emitter.js"; // A specialized array helper calls its known callback directly after // checking the closure's entry. A callback that cannot throw skips the // pending test on that path, and the fallback through the closure's own -// entry keeps it; a callback that can throw keeps it on both paths. +// entry keeps it; a callback that can throw keeps it on both paths. The +// callbacks are passed through bindings: a closure literal at the call +// would run as a loop with its body copied in (array-pipelines.ts). test("known callbacks outside the may-throw set test the pending flag only on the fallback", async () => { const dir = mkdtempSync(join(tmpdir(), "scriptc-callback-pending-")); try { @@ -18,13 +20,16 @@ test("known callbacks outside the may-throw set test the pending flag only on th writeFileSync( entry, `const values = [1, 2, 3, 4]; -console.log(values.every((v) => v > 0)); -console.log(values.map((v) => v * 2).join(",")); +const positive = (v: number): boolean => v > 0; +const double = (v: number): number => v * 2; +const stopAtThree = (v: number): boolean => { + if (v > 2) throw new Error("stop at " + v); + return true; +}; +console.log(values.every(positive)); +console.log(values.map(double).join(",")); try { - console.log(values.every((v) => { - if (v > 2) throw new Error("stop at " + v); - return true; - })); + console.log(values.every(stopAtThree)); } catch (error) { console.log("caught", (error as Error).message); } diff --git a/packages/compiler/test/chunked-emission.test.ts b/packages/compiler/test/chunked-emission.test.ts index 6d2b2e06a..47e82cf9e 100644 --- a/packages/compiler/test/chunked-emission.test.ts +++ b/packages/compiler/test/chunked-emission.test.ts @@ -103,16 +103,106 @@ test("a Promise.all tuple adapter requested in a range is defined", async () => } }, 60_000); -// Debug metadata is numbered per emitter (debug-info.ts) and not journaled: -// a debug build emits its function bodies in one emitter. Its one fork -// computes the int32 slot analysis; when the fork fails, the emitter -// computes it itself. -test("debug builds emit function bodies serially, with every metadata reference defined", async () => { +// Debug builds journal their metadata requests (debug-info.ts): ranges +// merged in function order number every node as one emitter does. +const DEBUG_PROGRAMS: { entry: string; sources: string[] }[] = [ + { + entry: "3066-source-debugging/main.ts", + sources: ["3066-source-debugging/main.ts", "3066-source-debugging/helper.ts"], + }, + ...[ + "1020-async-basics.ts", + "7103-fiberless-plain-calls.ts", + "7110-als-completion-callbacks.ts", + "1301-errors-subclass.ts", + "1529-class-with-statics.ts", + "1591-js-closures.js", + "2010-generators-basics.ts", + "2013-generators-sent-values.ts", + "4451-int32-field-storage.ts", + ].map((program) => ({ entry: program, sources: [program] })), +]; + +test("debug builds emitted in ranges merge into the text one emitter gives", async () => { const dir = await mkdtemp(join(tmpdir(), "scriptc-chunked-debug-")); const minFunctions = process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"]; try { - const corpus = join(import.meta.dirname, "../../../tests/corpus/3066-source-debugging"); - const entry = join(corpus, "main.ts"); + const corpus = join(import.meta.dirname, "../../../tests/corpus"); + for (const program of DEBUG_PROGRAMS) { + const outPath = join(dir, "main.ir.json"); + const result = await compile(join(corpus, program.entry), { + outDir: dir, + outPath, + outputKind: "ir", + optimization: "dev", + }); + if (!result.ok) + throw new Error(result.diagnostics.map((d) => `${d.code}: ${d.message}`).join("\n")); + const ir = await readFile(outPath, "utf8"); + const debugSources = new Map(); + for (const name of program.sources) + debugSources.set(join(corpus, name), await readFile(join(corpus, name), "utf8")); + const options: LlvmTargetOptions = { debugSources }; + const serial = text(emitLlvmModuleSource(deserializeModule(ir), options)); + expect(serial, program.entry).toContain("!DILocation"); + + // A fork that fails leaves every range to the merging emitter. + process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"] = "1"; + const forkPrimitives = { + fork: (): number => -1, + exit: (): void => {}, + wait: (): number => -1, + }; + for (const variant of [ + { functionChunks: 2 }, + { functionChunks: 5 }, + { functionWorkers: 4, forkPrimitives }, + ] satisfies LlvmTargetOptions[]) { + const emitted = text( + emitLlvmModuleSource(deserializeModule(ir), { ...options, ...variant }), + ); + expect(emitted === serial, `${program.entry} ${JSON.stringify(Object.keys(variant))}`).toBe( + true, + ); + const defined = new Set([...emitted.matchAll(/^(![0-9]+) = /gm)].map((m) => m[1])); + const referenced = new Set([...emitted.matchAll(/(![0-9]+)\b/g)].map((m) => m[1])); + expect([...referenced].filter((id) => !defined.has(id))).toEqual([]); + } + if (minFunctions === undefined) delete process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"]; + else process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"] = minFunctions; + } + } finally { + if (minFunctions === undefined) delete process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"]; + else process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"] = minFunctions; + await rm(dir, { recursive: true, force: true }); + } +}, 300_000); + +// A method name holding a double quote is written into a comment after the +// function's `!dbg` attachment; the rename of the range's debug ids reads +// comments and string literals as ending at the end of their line. +test("debug ids after a comment that holds a quote are renamed", async () => { + const dir = await mkdtemp(join(tmpdir(), "scriptc-chunked-debug-quote-")); + try { + const entry = join(dir, "main.ts"); + const source = [ + "class Greeter {", + " ['say \"hi'](n: number): number {", + " return n + 1;", + " }", + "}", + "const greeter = new Greeter();", + "function twice(x: number): number {", + " return x * 2;", + "}", + "function report(label: string, value: number): void {", + " console.log(label, value);", + "}", + 'report("method", greeter[\'say "hi\'](1));', + 'report("twice", twice(3));', + "", + ].join("\n"); + await writeFile(entry, source); const outPath = join(dir, "main.ir.json"); const result = await compile(entry, { outDir: dir, @@ -123,37 +213,16 @@ test("debug builds emit function bodies serially, with every metadata reference if (!result.ok) throw new Error(result.diagnostics.map((d) => `${d.code}: ${d.message}`).join("\n")); const ir = await readFile(outPath, "utf8"); - const debugSources = new Map(); - for (const name of ["main.ts", "helper.ts"]) - debugSources.set(join(corpus, name), await readFile(join(corpus, name), "utf8")); - const options: LlvmTargetOptions = { debugSources }; + const options: LlvmTargetOptions = { debugSources: new Map([[entry, source]]) }; const serial = text(emitLlvmModuleSource(deserializeModule(ir), options)); - expect(serial).toContain("!DILocation"); - - let forks = 0; - process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"] = "1"; - const forkPrimitives = { - fork: (): number => { - forks++; - return -1; - }, - exit: (): void => {}, - wait: (): number => -1, - }; - for (const variant of [ - { functionChunks: 3 }, - { functionWorkers: 4, forkPrimitives }, - ] satisfies LlvmTargetOptions[]) { - const emitted = text(emitLlvmModuleSource(deserializeModule(ir), { ...options, ...variant })); - expect(emitted === serial, JSON.stringify(Object.keys(variant))).toBe(true); - const defined = new Set([...emitted.matchAll(/^(![0-9]+) = /gm)].map((m) => m[1])); - const referenced = new Set([...emitted.matchAll(/(![0-9]+)\b/g)].map((m) => m[1])); - expect([...referenced].filter((id) => !defined.has(id))).toEqual([]); + expect(serial).toMatch(/!dbg ![0-9]+ \{ ;[^\n]*"/); + for (const functionChunks of [2, 3]) { + const chunked = text( + emitLlvmModuleSource(deserializeModule(ir), { ...options, functionChunks }), + ); + expect(chunked === serial, `${functionChunks} chunks`).toBe(true); } - expect(forks).toBe(1); } finally { - if (minFunctions === undefined) delete process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"]; - else process.env["SCRIPTC_EMIT_WORKER_FUNCTIONS"] = minFunctions; await rm(dir, { recursive: true, force: true }); } -}, 120_000); +}, 60_000); diff --git a/packages/compiler/test/compat-exports.test.ts b/packages/compiler/test/compat-exports.test.ts new file mode 100644 index 000000000..57ee41339 --- /dev/null +++ b/packages/compiler/test/compat-exports.test.ts @@ -0,0 +1,12 @@ +import { expect, test } from "vitest"; +import { + LIB_FN_SIGS, + libFnSignatures, + NODE24_FETCH_COMPAT_PROFILE, + node24FetchCompatProfile, +} from "../src/index.js"; + +test("the table constants name the tables their functions build", () => { + expect(LIB_FN_SIGS).toBe(libFnSignatures()); + expect(NODE24_FETCH_COMPAT_PROFILE).toBe(node24FetchCompatProfile()); +}); diff --git a/packages/compiler/test/format-float-arguments.test.ts b/packages/compiler/test/format-float-arguments.test.ts index 6ce9c4bc0..795e238ef 100644 --- a/packages/compiler/test/format-float-arguments.test.ts +++ b/packages/compiler/test/format-float-arguments.test.ts @@ -3,6 +3,7 @@ import { tmpdir } from "node:os"; import { join } from "node:path"; import { expect, test } from "vitest"; import { compile, deserializeModule, validateModule } from "../src/index.js"; +import { everyStmtList } from "../src/ir/traverse.js"; test("util.format %f lowers a boolean argument once", async () => { const dir = await mkdtemp(join(tmpdir(), "scriptc-format-float-")); @@ -22,14 +23,20 @@ test("util.format %f lowers a boolean argument once", async () => { throw new Error(result.diagnostics.map((d) => `${d.code}: ${d.message}`).join("\n")); const mod = deserializeModule(await readFile(outPath, "utf8")); expect(validateModule(mod)).toEqual([]); - // One lifted helper per argument: the evaluated-for-effect statement - // reuses the lowered value instead of lowering the argument again. - const helpers = mod.functions - .map((f) => f.name) - .filter((name) => name.startsWith("%arr.")) - .map((name) => name.replace(/\.[0-9a-f]+$/, "")) - .sort(); - expect(helpers).toEqual(["%arr.every", "%arr.some"]); + // One lifted helper call per argument: the evaluated-for-effect + // statement reuses the lowered value instead of lowering the argument + // again. Each call runs its callback as a loop (array-pipelines.ts). + const helpers: string[] = []; + for (const fn of mod.functions) + everyStmtList(fn.body, { + expr: (e) => { + if (e.kind === "call" && e.callee.startsWith("%arr.")) + helpers.push(e.callee.replace(/\.[0-9a-f]+$/, "")); + return true; + }, + stmt: () => true, + }); + expect(helpers).toEqual(["%arr.loop", "%arr.loop"]); } finally { await rm(dir, { recursive: true, force: true }); } diff --git a/packages/compiler/test/int32-element-array-emission.test.ts b/packages/compiler/test/int32-element-array-emission.test.ts index 605f64e04..fccf06973 100644 --- a/packages/compiler/test/int32-element-array-emission.test.ts +++ b/packages/compiler/test/int32-element-array-emission.test.ts @@ -3,8 +3,10 @@ import { tmpdir } from "node:os"; import { join } from "node:path"; import { expect, test } from "vitest"; import { compile, deserializeModule } from "../src/index.js"; -import type { IrModule } from "../src/ir/ir.js"; +import type { IrFunction, IrModule } from "../src/ir/ir.js"; import { markInt32ArrayCandidates, selectInt32Arrays } from "../src/ir/int32-arrays.js"; +import { analyzeInt32Slots, type Int32Slots } from "../src/ir/int32-slots.js"; +import { serializeModule } from "../src/ir/serialize.js"; async function emitLlvm(source: string): Promise { const dir = await mkdtemp(join(tmpdir(), "scriptc-int32-elements-")); @@ -210,12 +212,12 @@ test("only the candidates the proof keeps are rewritten", async () => { // An array that reaches `join` is never proposed. expect(proposed.some((key) => key.startsWith("joined\0"))).toBe(false); // Without a kept candidate, the module is the input itself. - expect(selectInt32Arrays(mod, () => new Set())).toBe(mod); + expect(selectInt32Arrays(mod, () => ({ kept: new Set(), functions: null }))).toBe(mod); const kept = new Set(["compose\0p.0", "compose\0q.0"]); - const selected = selectInt32Arrays( - mod, - (marked) => new Set((marked.int32ArrayCandidates ?? []).filter((key) => kept.has(key))), - ); + const selected = selectInt32Arrays(mod, (marked) => ({ + kept: new Set((marked.int32ArrayCandidates ?? []).filter((key) => kept.has(key))), + functions: null, + })); expect(selected.int32ArrayCandidates).toEqual([...kept]); for (const fn of selected.functions) if (fn.name !== "compose") expect(fn).toBe(mod.functions.find((f) => f.name === fn.name)); @@ -259,3 +261,47 @@ test("arrays passed to helpers and held in module globals get 4-byte slots", asy expect(functions(llvm, "mean")).not.toMatch(/getelementptr inbounds i32, ptr/); expect(llvm).toMatch(/@scr_arr_new(_small)?\(i32 7/); }); + +/** The module selectInt32Arrays selects, the analysis of its last proof, + * and how many proofs it asked for: with `revising`, each proof revises + * the functions of candidates that drop. */ +function selection( + mod: IrModule, + revising: boolean, +): { selected: IrModule; slots: Int32Slots; proofs: number } { + let slots: Int32Slots | null = null; + let proofs = 0; + const selected = selectInt32Arrays(mod, (marked, revise) => { + proofs++; + const latest = new Map(); + slots = analyzeInt32Slots( + marked, + revising && revise !== null + ? { + revise: (fnName, dropped) => { + const fn = revise(fnName, dropped); + latest.set(fnName, fn); + return fn; + }, + } + : {}, + ); + const kept = new Set([...slots.int32Arrays, ...slots.checkedInt32Arrays]); + if (latest.size === 0) return { kept, functions: null }; + return { kept, functions: marked.functions.map((fn) => latest.get(fn.name) ?? fn) }; + }); + return { selected, slots: slots!, proofs }; +} + +test("one proof that revises dropped candidates selects what rounds of proofs select", async () => { + for (const program of [source, sharedSource]) { + const mod = await lowerIr(program); + const rounds = selection(mod, false); + const revised = selection(mod, true); + // The rounds drop a candidate and prove the module again. + expect(rounds.proofs).toBeGreaterThan(1); + expect(revised.proofs).toBe(1); + expect(serializeModule(revised.selected, true)).toBe(serializeModule(rounds.selected, true)); + expect(revised.slots.summary(revised.selected)).toBe(rounds.slots.summary(rounds.selected)); + } +}); diff --git a/packages/compiler/test/llvm-runtime-abi.test.ts b/packages/compiler/test/llvm-runtime-abi.test.ts index 6cfd862b7..a457feb72 100644 --- a/packages/compiler/test/llvm-runtime-abi.test.ts +++ b/packages/compiler/test/llvm-runtime-abi.test.ts @@ -355,12 +355,13 @@ describe("LLVM backend declares match scr_runtime.h prototypes", () => { #include "scr_runtime.h" /* LLVM emits: %ScrBytes = type { i64, i64, i32, ptr, ptr, i8, i8, i8, i8, ptr }. - * Keep every ABI fact used by its field-index GEPs explicit here. */ + * Keep every ABI fact used by its field-index GEPs explicit here. The C + * struct continues with fields only the runtime reads. */ _Static_assert(sizeof(size_t) == 8, "LLVM ScrBytes expects 64-bit size_t"); _Static_assert(sizeof(void *) == 8, "LLVM ScrBytes expects 64-bit pointers"); _Static_assert(sizeof(ScrBytesElem) == 4, "LLVM ScrBytes elem field is i32"); _Static_assert(_Alignof(ScrBytes) == 8, "LLVM ScrBytes alignment changed"); -_Static_assert(sizeof(ScrBytes) == 56, "LLVM ScrBytes size changed"); +_Static_assert(sizeof(ScrBytes) == 64, "ScrBytes size changed"); _Static_assert(offsetof(ScrBytes, rc) == 0, "LLVM ScrBytes.rc offset changed"); _Static_assert(offsetof(ScrBytes, len) == 8, "LLVM ScrBytes.len offset changed"); _Static_assert(offsetof(ScrBytes, elem) == 16, "LLVM ScrBytes.elem offset changed"); @@ -370,7 +371,9 @@ _Static_assert(offsetof(ScrBytes, is_buffer) == 40, "LLVM ScrBytes.is_buffer off _Static_assert(offsetof(ScrBytes, is_data_view) == 41, "LLVM ScrBytes.is_data_view offset changed"); _Static_assert(offsetof(ScrBytes, external) == 42, "LLVM ScrBytes.external offset changed"); _Static_assert(offsetof(ScrBytes, untransferable) == 43, "LLVM ScrBytes.untransferable offset changed"); +_Static_assert(offsetof(ScrBytes, properties_traced) == 44, "ScrBytes.properties_traced must stay in padding"); _Static_assert(offsetof(ScrBytes, shared) == 48, "LLVM ScrBytes.shared offset changed"); +_Static_assert(offsetof(ScrBytes, properties) == 56, "ScrBytes.properties must follow the LLVM prefix"); `, ); const driver = resolveCc(); diff --git a/packages/compiler/test/map-get-borrow-emission.test.ts b/packages/compiler/test/map-get-borrow-emission.test.ts new file mode 100644 index 000000000..4e3c91766 --- /dev/null +++ b/packages/compiler/test/map-get-borrow-emission.test.ts @@ -0,0 +1,93 @@ +import { mkdtemp, readFile, rm, writeFile } from "node:fs/promises"; +import { tmpdir } from "node:os"; +import { join } from "node:path"; +import { expect, test } from "vitest"; +import { compile, deserializeModule } from "../src/index.js"; +import { emitLlvmModule } from "../src/backend/llvm/emitter.js"; + +test("a Map.get local read before any reference write holds the entry's reference", async () => { + const dir = await mkdtemp(join(tmpdir(), "scriptc-map-get-borrow-")); + try { + const entry = join(dir, "main.ts"); + const outPath = join(dir, "main.ir.json"); + await writeFile( + entry, + ` +class Counter { + num = 1; +} +function count(m: Map, keys: number[]): void { + for (const key of keys) { + const cur = m.get(key); + if (cur === undefined) m.set(key, new Counter()); + else cur.num++; + } +} +function named(m: Map, key: string): number { + const cur = m.get(key); + return cur === undefined ? 0 : cur.num; +} +function replaced(m: Map): number { + const old = m.get(1); + m.set(1, new Counter()); + return old === undefined ? 0 : old.num; +} +function aliased(m: Map): number { + const held = m.get(1); + const copy = held; + m.set(1, new Counter()); + return copy === undefined ? 0 : copy.num; +} +function fresh(): Map { + return new Map([[1, new Counter()]]); +} +function temporary(keys: number[]): number { + let total = 0; + for (const key of keys) { + const held = fresh().get(key); + if (held !== undefined) total += held.num; + } + return total; +} +class Holder { + m = new Map([[1, new Counter()]]); + key(): number { + this.m = new Map(); + return 1; + } + read(): number { + const held = this.m.get(this.key()); + return held === undefined ? 0 : held.num; + } +} +const numbers = new Map(); +count(numbers, [1, 2, 1]); +console.log(named(new Map([["a", new Counter()]]), "a"), replaced(numbers), aliased(numbers), temporary([1, 2]), new Holder().read()); +`, + ); + const result = await compile(entry, { outDir: dir, outPath, outputKind: "ir" }); + if (!result.ok) + throw new Error(result.diagnostics.map((d) => `${d.code}: ${d.message}`).join("\n")); + const mod = deserializeModule(await readFile(outPath, "utf8")); + const ll = emitLlvmModule(mod); + const fn = (name: string): string => + new RegExp(`^define internal [^\\n]*@sc_bf_${name}(?:\\.i32)?\\([^]*?^}`, "m").exec(ll)![0]; + // The update writes the map only where the entry is absent, and a + // string key's lookup is inline: neither read retains the value. + for (const name of ["count", "named"]) { + expect(fn(name)).not.toContain("@sc_retain_Counter"); + expect(fn(name)).not.toContain("@sc_release_Counter"); + } + // A write between the read and its use keeps the read's own reference, + // also when the use goes through a local declared from the read, and so + // does a read from a map that is released after the declaration. + for (const name of ["replaced", "aliased", "temporary"]) + expect(fn(name)).toContain("@sc_retain_Counter"); + // A key whose evaluation replaces the receiver's field leaves the read + // on the old map, which the statement releases: the read keeps its own + // reference. + expect(fn("_x25_Holder_read")).toContain("@sc_retain_Counter"); + } finally { + await rm(dir, { recursive: true, force: true }); + } +}); diff --git a/packages/compiler/test/native-codegen-integration.test.ts b/packages/compiler/test/native-codegen-integration.test.ts index 8e8439749..dc3f94e6c 100644 --- a/packages/compiler/test/native-codegen-integration.test.ts +++ b/packages/compiler/test/native-codegen-integration.test.ts @@ -378,7 +378,7 @@ done: expect(await symbols(helperObject, ["-u"])).toEqual(await symbols(clangObject, ["-u"])); expect(await symbols(helperObject, ["-gU"])).toEqual(await symbols(clangObject, ["-gU"])); expect(await symbols(helperObject, ["-gU"])).toEqual(["0000000000000000 T _main"]); - expect(await symbols(helperObject, ["-u"])).toContain("_scr_runtime_abi_v43"); + expect(await symbols(helperObject, ["-u"])).toContain("_scr_runtime_abi_v44"); const clangExe = join(dir, "clang-program"); const linkDriver = join(dir, "clang-driver.c"); @@ -712,7 +712,7 @@ done: .split("\n"); expect(undefinedSymbols).toContain("_sf_scale"); expect(undefinedSymbols).toContain("_sf_callback_mix"); - expect(undefinedSymbols).toContain("_scr_runtime_abi_v43"); + expect(undefinedSymbols).toContain("_scr_runtime_abi_v44"); }); test("helper and clang object paths retain the same outbound FFI C ABI", async () => { diff --git a/packages/compiler/test/node-pin.test.ts b/packages/compiler/test/node-pin.test.ts index 7f032c69e..4d4c4a7e8 100644 --- a/packages/compiler/test/node-pin.test.ts +++ b/packages/compiler/test/node-pin.test.ts @@ -5,7 +5,7 @@ import { readFileSync } from "node:fs"; import { join } from "node:path"; import { expect, test } from "vitest"; -import { NODE24_FETCH_COMPAT_PROFILE } from "../src/compat/fetch-profile.js"; +import { node24FetchCompatProfile } from "../src/compat/fetch-profile.js"; import { NODE_COMPAT_VERSION } from "../src/frontend/lowering/builtins/process.js"; import { CRYPTO_CONSTANTS } from "../src/frontend/lowering/crypto-tables.js"; import { ZLIB_CONSTANTS } from "../src/frontend/lowering/zlib-constants.js"; @@ -23,7 +23,7 @@ test("the Node pins agree", () => { expect(compat.tag).toBe(`v${pinned}`); expect(read("Dockerfile.sandbox")).toMatch(new RegExp(`^ARG NODE_VERSION=${pinned}$`, "m")); expect(NODE_COMPAT_VERSION).toBe(pinned); - expect(NODE24_FETCH_COMPAT_PROFILE.target.node).toBe(pinned); + expect(node24FetchCompatProfile().target.node).toBe(pinned); expect(read("packages/runtime/src/scr_lib.c")).toContain( `#define SCR_NODE_COMPAT_VERSION "${pinned}"`, ); diff --git a/packages/compiler/test/runtime-optional-precision.test.ts b/packages/compiler/test/runtime-optional-precision.test.ts index 7840b0c62..b47cb828d 100644 --- a/packages/compiler/test/runtime-optional-precision.test.ts +++ b/packages/compiler/test/runtime-optional-precision.test.ts @@ -158,7 +158,9 @@ test("an unchanged captured parameter is borrowed and boxed only where a closure const module = await lower(`${ITEM} function heavier(item: Item, limits: number[]): boolean { if (limits.length === 0) return false; - return limits.some((limit) => weigh(item) > limit); + // A closure value: a closure literal at the call would run as a loop. + const over = (limit: number): boolean => weigh(item) > limit; + return limits.some(over); } function replaced(item: Item, other: Item): number { const read = () => item.weight; diff --git a/packages/compiler/test/speculative-loop-emission.test.ts b/packages/compiler/test/speculative-loop-emission.test.ts index 748fd50c5..d26a0c96c 100644 --- a/packages/compiler/test/speculative-loop-emission.test.ts +++ b/packages/compiler/test/speculative-loop-emission.test.ts @@ -159,3 +159,27 @@ if (isMainThread) { expect(order.slice(slow, fast).some((l) => l.startsWith("spec.fast"))).toBe(true); expect(order.slice(fast).some((l) => l.startsWith("spec.fast"))).toBe(true); }); + +test("a floor-mod by a power of two speculates as a mask and a product by one as a shift", async () => { + const llvm = await emitLlvm(` +function trim(value: number, bits: number): number { + return value - Math.floor(value / Math.pow(2, bits)) * Math.pow(2, bits); +} +function key(bytes: Uint8Array, bits: number): number { + let k = 0; + for (let i = 0; i < bytes.length; i++) k = trim(k, bits) * 4 + bytes[i]!; + return k; +} +console.log(key(new Uint8Array([1, 2, 3, 0]), 6)); +`); + const fn = /^define internal double @sc_bf_\w*key[\w.]*\([^]*?^}/m.exec(llvm)?.[0] ?? ""; + const fast = fn.slice(fn.search(/^spec\.fast\d+:/m)); + expect(fast.length).toBeLessThan(fn.length); + // trim(k, bits): the low `bits` bits; * 4: a shift by two. + expect(fast).toMatch(/= sub i64 %\S+, 1\n\s+%\S+ = and i64 %\S+, %\S+\n/); + expect(fast).toMatch(/= shl nsw i64 %\S+, 2\n/); + // No floor division of k (an arithmetic shift of it) and no checked + // multiply remain. + expect(fast).not.toMatch(/ashr i64 %/); + expect(fast).not.toContain("@llvm.smul.with.overflow.i64"); +}); diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/6310-small-number-map-direct-index.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/6310-small-number-map-direct-index.ts.json new file mode 100644 index 000000000..72472aa95 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/6310-small-number-map-direct-index.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/6310-small-number-map-direct-index.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7160-json-parse-deep-unions.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7160-json-parse-deep-unions.ts.json new file mode 100644 index 000000000..fb4ef3c1f --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7160-json-parse-deep-unions.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/7160-json-parse-deep-unions.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7161-dynamic-values-deep-unions.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7161-dynamic-values-deep-unions.ts.json new file mode 100644 index 000000000..8ad1579da --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7161-dynamic-values-deep-unions.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/7161-dynamic-values-deep-unions.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7753-typed-array-named-properties.js.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7753-typed-array-named-properties.js.json new file mode 100644 index 000000000..74a4316d9 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/7753-typed-array-named-properties.js.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/7753-typed-array-named-properties.js" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8000-optional-element-arrays-share-storage.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8000-optional-element-arrays-share-storage.ts.json new file mode 100644 index 000000000..8cdd32baf --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8000-optional-element-arrays-share-storage.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8000-optional-element-arrays-share-storage.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8001-optional-element-writers.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8001-optional-element-writers.ts.json new file mode 100644 index 000000000..fe45249bd --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8001-optional-element-writers.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8001-optional-element-writers.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8004-optional-element-conversions.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8004-optional-element-conversions.ts.json new file mode 100644 index 000000000..2a1bc7c66 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8004-optional-element-conversions.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8004-optional-element-conversions.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8006-buffer-base64-decode.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8006-buffer-base64-decode.ts.json new file mode 100644 index 000000000..135fe4af6 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8006-buffer-base64-decode.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8006-buffer-base64-decode.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8007-buffer-fill-swap-utf16le.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8007-buffer-fill-swap-utf16le.ts.json new file mode 100644 index 000000000..f629dac24 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8007-buffer-fill-swap-utf16le.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8007-buffer-fill-swap-utf16le.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8181-map-get-borrows.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8181-map-get-borrows.ts.json new file mode 100644 index 000000000..39f43aa85 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8181-map-get-borrows.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8181-map-get-borrows.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8244-speculative-floor-mod-powers.ts.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8244-speculative-floor-mod-powers.ts.json new file mode 100644 index 000000000..65e7ccb38 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8244-speculative-floor-mod-powers.ts.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8244-speculative-floor-mod-powers.ts" + ], + "diags": [] +} diff --git a/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8321-typed-array-constructor-kind.js.json b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8321-typed-array-constructor-kind.js.json new file mode 100644 index 000000000..6da151987 --- /dev/null +++ b/packages/compiler/test/ts7/baselines/order-parity/tests/corpus/8321-typed-array-constructor-kind.js.json @@ -0,0 +1,6 @@ +{ + "order": [ + "/tests/corpus/8321-typed-array-constructor-kind.js" + ], + "diags": [] +} diff --git a/packages/runtime-darwin-arm64/scripts/build.mjs b/packages/runtime-darwin-arm64/scripts/build.mjs index 84c3b83b6..7858c9782 100644 --- a/packages/runtime-darwin-arm64/scripts/build.mjs +++ b/packages/runtime-darwin-arm64/scripts/build.mjs @@ -366,7 +366,7 @@ async function build() { package: packageManifest.name, version: packageManifest.version, target: RUNTIME_PACK_MATRIX.target, - runtime_abi: { version: 43, marker: "scr_runtime_abi_v43" }, + runtime_abi: { version: 44, marker: "scr_runtime_abi_v44" }, compiler: { command: compiler, identity: compilerVersion, diff --git a/packages/runtime-pack-common/scripts/build.mjs b/packages/runtime-pack-common/scripts/build.mjs index 545c6651b..b770d81b6 100644 --- a/packages/runtime-pack-common/scripts/build.mjs +++ b/packages/runtime-pack-common/scripts/build.mjs @@ -469,7 +469,7 @@ async function build() { package: packageManifest.name, version: packageManifest.version, target: matrix.target, - runtime_abi: { version: 43, marker: "scr_runtime_abi_v43" }, + runtime_abi: { version: 44, marker: "scr_runtime_abi_v44" }, compiler: { command: compiler, identity: compilerVersion, diff --git a/packages/runtime/src/scr_bytes.c b/packages/runtime/src/scr_bytes.c index 6b8594c08..df64b2ab2 100644 --- a/packages/runtime/src/scr_bytes.c +++ b/packages/runtime/src/scr_bytes.c @@ -190,6 +190,8 @@ ScrBytes *scr_bytes_take_data(uint8_t *data, size_t len) { b->external = false; b->untransferable = false; b->shared = NULL; + b->properties = NULL; + b->properties_traced = false; #ifdef SCR_RC_AUDIT scr_live_bytes++; #endif @@ -304,6 +306,7 @@ void scr_bytes_release(ScrBytes *b) { if (!b || b->rc == SIZE_MAX) return; /* NULL: an uninitialized `let` local */ if (--b->rc == 0) { scr_weak_dispose_inline(b); + if (b->properties) scr_dyn_release(b->properties); if (b->backing) { scr_bytes_release(b->backing); /* a view: data points into the owner */ } else if (b->shared) { @@ -740,6 +743,8 @@ ScrBytes *scr_bytes_subarray(ScrBytes *b, double start, double end) { v->external = false; v->untransferable = false; v->shared = owner->shared; + v->properties = NULL; + v->properties_traced = false; #ifdef SCR_RC_AUDIT scr_live_bytes++; #endif @@ -883,7 +888,9 @@ ScrBytes *scr_bytes_from_dyn(ScrBytesElem elem, const ScrDyn *value, bool from) if (value->kind == SCR_DYN_BYTES) return scr_bytes_convert(elem, value->v.bytes); if (!from && scr_buffer_storage_is(value)) return scr_array_buffer_view(elem, value, scr_dyn_undefined(), scr_dyn_undefined()); if (!from && (value->kind == SCR_DYN_NUM || value->kind == SCR_DYN_BOOL || - value->kind == SCR_DYN_STR || value->kind == SCR_DYN_NULL || value->kind == SCR_DYN_UNDEF)) { + value->kind == SCR_DYN_STR || value->kind == SCR_DYN_NULL || value->kind == SCR_DYN_UNDEF || + value->kind == SCR_DYN_SYMBOL || value->kind == SCR_DYN_BIGINT)) { + /* ToIndex: a Symbol or BigInt length throws ToNumber's TypeError. */ double number; if (!scr_dyn_number_coerce_js(value, &number)) return NULL; return scr_bytes_new(elem, number); @@ -1009,6 +1016,8 @@ ScrBytes *scr_dataview_new(ScrBytes *src, double byte_off, bool has_len, double v->external = false; v->untransferable = false; v->shared = owner->shared; + v->properties = NULL; + v->properties_traced = false; #ifdef SCR_RC_AUDIT scr_live_bytes++; #endif @@ -2486,14 +2495,57 @@ static uint32_t scr_bytes_utf16le_cp(const uint8_t *in, size_t units, size_t *u) return cu; } +/* Four units below 0x80 copy as four bytes (one word holds them), and + * other units outside the surrogate range are written inline; surrogates + * take scr_bytes_utf16le_cp. The string has one UTF-16 unit per input + * unit, which is recorded so its length needs no walk. */ static ScrStr *scr_bytes_decode_utf16le(const uint8_t *in, size_t n) { size_t units = n / 2; if (units > SIZE_MAX / 3) scr_bytes_oom(); ScrStr *s = scr_str_alloc_raw(0, units * 3); - size_t o = 0; - for (size_t u = 0; u < units;) o = scr_bytes_put_cp(s->data, o, scr_bytes_utf16le_cp(in, units, &u)); + uint8_t *out = (uint8_t *)s->data; + size_t o = 0, u = 0; + while (u < units) { +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ + if (units - u >= 4) { + uint64_t w; + memcpy(&w, in + u * 2, 8); + if (!(w & UINT64_C(0xff80ff80ff80ff80))) { + out[o] = (uint8_t)w; + out[o + 1] = (uint8_t)(w >> 16); + out[o + 2] = (uint8_t)(w >> 32); + out[o + 3] = (uint8_t)(w >> 48); + o += 4; + u += 4; + continue; + } + } +#endif + uint32_t cu = (uint32_t)in[u * 2] | ((uint32_t)in[u * 2 + 1] << 8); + if (cu >= 0x800 && (cu < 0xd800 || cu > 0xdfff)) { + /* Three bytes in one four-byte store; the next write (or the + * terminator) replaces the fourth. */ + uint8_t seq[4] = {(uint8_t)(0xe0 | (cu >> 12)), (uint8_t)(0x80 | ((cu >> 6) & 0x3f)), + (uint8_t)(0x80 | (cu & 0x3f)), 0}; + memcpy(out + o, seq, 4); + o += 3; + u++; + } else if (cu < 0x80) { + out[o++] = (uint8_t)cu; + u++; + } else if (cu < 0x800) { + out[o] = (uint8_t)(0xc0 | (cu >> 6)); + out[o + 1] = (uint8_t)(0x80 | (cu & 0x3f)); + o += 2; + u++; + } else { + o = scr_bytes_put_cp(s->data, o, scr_bytes_utf16le_cp(in, units, &u)); + } + } s->len = o; s->data[o] = '\0'; + if (o == units) scr_str_note_ascii(s); + else scr_str_note_utf16_len(s, units); return s; } @@ -2672,20 +2724,66 @@ static ScrBytes *scr_bytes_conversion_storage(size_t capacity) { return scr_bytes_conversion_storage_in(NULL, capacity); } +/* scr_b64_values, each value shifted into its place in a four-character + * group's 24 bits; a character outside both alphabets sets bit 24. */ +#define SCR_B64_VALUE(c) \ + ((c) >= 'A' && (c) <= 'Z' ? (c) - 'A' \ + : (c) >= 'a' && (c) <= 'z' ? (c) - 'a' + 26 \ + : (c) >= '0' && (c) <= '9' ? (c) - '0' + 52 \ + : (c) == '+' || (c) == '-' ? 62 \ + : (c) == '/' || (c) == '_' ? 63 \ + : -1) +#define SCR_B64_AT(c, shift) \ + (SCR_B64_VALUE(c) < 0 ? UINT32_C(0x1000000) : (uint32_t)SCR_B64_VALUE(c) << (shift)) +#define SCR_B64_4(c, s) SCR_B64_AT(c, s), SCR_B64_AT(c + 1, s), SCR_B64_AT(c + 2, s), SCR_B64_AT(c + 3, s) +#define SCR_B64_16(c, s) SCR_B64_4(c, s), SCR_B64_4(c + 4, s), SCR_B64_4(c + 8, s), SCR_B64_4(c + 12, s) +#define SCR_B64_64(c, s) SCR_B64_16(c, s), SCR_B64_16(c + 16, s), SCR_B64_16(c + 32, s), SCR_B64_16(c + 48, s) +#define SCR_B64_256(s) SCR_B64_64(0, s), SCR_B64_64(64, s), SCR_B64_64(128, s), SCR_B64_64(192, s) +static const uint32_t scr_b64_shifted[4][256] = { + {SCR_B64_256(18)}, {SCR_B64_256(12)}, {SCR_B64_256(6)}, {SCR_B64_256(0)}}; + +/* One group's 24 bits as three bytes, in a four-byte store whose last byte + * the next store overwrites (the destination holds two spare bytes). */ +static inline void scr_b64_put_group(uint8_t *out, uint32_t bits) { +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ + uint32_t word = __builtin_bswap32(bits << 8); +#else + uint32_t word = bits << 8; +#endif + memcpy(out, &word, 4); +} + static ScrBytes *scr_bytes_decode_b64(ScrBytesSink *sink, const uint8_t *in, size_t n) { ScrBytes *b = scr_bytes_conversion_storage_in(sink, n / 4 * 3 + 2); + /* A local copy: a byte store could otherwise change b->data. */ + uint8_t *out = b->data; + const uint32_t(*t)[256] = scr_b64_shifted; size_t i = 0, o = 0; unsigned acc = 0, have = 0; while (i < n) { + /* Complete groups, two per step: each character's shifted value comes + * from a table and one bit test covers all eight. The second store + * ends at o + 6, within the destination while eight characters remain. */ + if (have == 0) { + while (n - i >= 8) { + uint32_t first = t[0][in[i]] | t[1][in[i + 1]] | t[2][in[i + 2]] | t[3][in[i + 3]]; + uint32_t second = t[0][in[i + 4]] | t[1][in[i + 5]] | t[2][in[i + 6]] | t[3][in[i + 7]]; + if ((first | second) & UINT32_C(0x1000000)) break; + scr_b64_put_group(out + o, first); + scr_b64_put_group(out + o + 3, second); + o += 6; + i += 8; + } + } /* Common complete groups need neither per-character branches nor state. */ if (have == 0 && n - i >= 4) { int a = scr_b64_values[in[i]], c = scr_b64_values[in[i + 1]]; int d = scr_b64_values[in[i + 2]], e = scr_b64_values[in[i + 3]]; if ((a | c | d | e) >= 0) { unsigned v = ((unsigned)a << 18) | ((unsigned)c << 12) | ((unsigned)d << 6) | (unsigned)e; - b->data[o++] = (uint8_t)(v >> 16); - b->data[o++] = (uint8_t)(v >> 8); - b->data[o++] = (uint8_t)v; + out[o++] = (uint8_t)(v >> 16); + out[o++] = (uint8_t)(v >> 8); + out[o++] = (uint8_t)v; i += 4; continue; } @@ -2696,17 +2794,17 @@ static ScrBytes *scr_bytes_decode_b64(ScrBytesSink *sink, const uint8_t *in, siz if (v < 0) continue; acc = (acc << 6) | (unsigned)v; if (++have == 4) { - b->data[o++] = (uint8_t)(acc >> 16); - b->data[o++] = (uint8_t)(acc >> 8); - b->data[o++] = (uint8_t)acc; + out[o++] = (uint8_t)(acc >> 16); + out[o++] = (uint8_t)(acc >> 8); + out[o++] = (uint8_t)acc; acc = 0; have = 0; } } - if (have == 2) b->data[o++] = (uint8_t)(acc >> 4); + if (have == 2) out[o++] = (uint8_t)(acc >> 4); else if (have == 3) { - b->data[o++] = (uint8_t)(acc >> 10); - b->data[o++] = (uint8_t)(acc >> 2); + out[o++] = (uint8_t)(acc >> 10); + out[o++] = (uint8_t)(acc >> 2); } b->len = o; return b; @@ -2764,7 +2862,7 @@ static ScrBytes *scr_bytes_encode_str(ScrBytesSink *sink, const ScrStr *s, const /* Node interprets encoded text as the low byte of each UTF-16 unit. * ASCII can borrow storage; non-ASCII must preserve that truncation. */ ScrBytes *narrowed = NULL; - if (scr_bytes_ascii_prefix(in, n) != n) { + if (!scr_str_known_ascii(s) && scr_bytes_ascii_prefix(in, n) != n) { ScrStr *latin1 = scr_str_new("latin1", 6); narrowed = scr_bytes_encode_str(NULL, s, latin1); scr_str_release(latin1); @@ -2902,6 +3000,8 @@ static ScrBytes *scr_pool_take(size_t len) { v->external = false; v->untransferable = false; v->shared = NULL; + v->properties = NULL; + v->properties_traced = false; #ifdef SCR_RC_AUDIT scr_live_bytes++; #endif @@ -3422,7 +3522,15 @@ static ScrBytes *scr_bytes_fill_core(ScrBytes *b, const uint8_t *pat, size_t pat } else if (patn == 1) { memset(dst, pat[0], e - o); } else { - for (size_t i = o; i < e; i++) dst[i - o] = pat[(i - o) % patn]; + /* Node's fill: the pattern's first bytes (memmove: the pattern may + * be a view of this buffer), then the filled prefix doubled. */ + size_t len = e - o, done = patn < len ? patn : len; + memmove(dst, pat, done); + while (done < len) { + size_t step = done < len - done ? done : len - done; + memcpy(dst + done, dst, step); + done += step; + } } if (b->shared) { scr_shared_store(b->data + o, dst, e - o); @@ -3501,11 +3609,29 @@ ScrBytes *scr_bytes_swap(ScrBytes *b, double width) { scr_throw_error_msg_code(SCR_ERR_RANGE, msg, (size_t)mlen, "ERR_INVALID_BUFFER_SIZE"); return NULL; } - for (size_t g = 0; g < b->len; g += w) { - for (size_t i = 0; i < w / 2; i++) { - uint8_t t = b->data[g + i]; - b->data[g + i] = b->data[g + w - 1 - i]; - b->data[g + w - 1 - i] = t; + /* One load, byte swap and store per group. */ + uint8_t *p = b->data; + size_t len = b->len; + if (w == 2) { + for (size_t g = 0; g < len; g += 2) { + uint16_t v; + memcpy(&v, p + g, 2); + v = __builtin_bswap16(v); + memcpy(p + g, &v, 2); + } + } else if (w == 4) { + for (size_t g = 0; g < len; g += 4) { + uint32_t v; + memcpy(&v, p + g, 4); + v = __builtin_bswap32(v); + memcpy(p + g, &v, 4); + } + } else { + for (size_t g = 0; g < len; g += 8) { + uint64_t v; + memcpy(&v, p + g, 8); + v = __builtin_bswap64(v); + memcpy(p + g, &v, 8); } } return scr_bytes_retain(b); diff --git a/packages/runtime/src/scr_bytes.h b/packages/runtime/src/scr_bytes.h index 0710f3460..4b9174bc0 100644 --- a/packages/runtime/src/scr_bytes.h +++ b/packages/runtime/src/scr_bytes.h @@ -65,7 +65,15 @@ typedef struct ScrBytes { bool is_data_view; /* DataView is distinct from a numeric typed array. */ bool external; /* Root aliases foreign memory; releasing it never frees data. */ bool untransferable; /* A Buffer pool slab: its ArrayBuffer cannot be transferred. */ + /* The cycle collector's last trace of `properties` from the one checked + * value that held this view (see scr_dyn_trace_v). In padding, so the + * offsets compiled code uses hold. */ + bool properties_traced; ScrSharedBytes *shared; /* Neutral backing, borrowed by views from their local owner. */ + /* Named properties a program adds to the view (`ta.foo = 1`, + * Object.defineProperty): a checked object, NULL until the first one. + * Runtime-only and last, so compiled code's field indices hold. */ + struct ScrDyn *properties; } ScrBytes; /* Copies out of and into shared storage, made of relaxed atomic accesses diff --git a/packages/runtime/src/scr_console.c b/packages/runtime/src/scr_console.c index 2f7c91b7d..ad49e4f6f 100644 --- a/packages/runtime/src/scr_console.c +++ b/packages/runtime/src/scr_console.c @@ -148,7 +148,7 @@ static void scr_enable_utf8_console_output(void) { } #endif -void scr_runtime_abi_v43(void) {} +void scr_runtime_abi_v44(void) {} void scr_init(void) { #ifdef SCR_WORKERS diff --git a/packages/runtime/src/scr_core.h b/packages/runtime/src/scr_core.h index 5d6d80778..8e50ec0ca 100644 --- a/packages/runtime/src/scr_core.h +++ b/packages/runtime/src/scr_core.h @@ -81,7 +81,7 @@ void scr_init(void); /* Program objects emitted by the bundled LLVM helper reference this symbol. * Its versioned spelling makes a mismatched manual runtime link fail before * the program can start. */ -void scr_runtime_abi_v43(void); +void scr_runtime_abi_v44(void); void scr_runtime_workers_v8(void); /* ── the trap funnel (scr_console.c; scr_library.c under -DSCR_LIB) ────── diff --git a/packages/runtime/src/scr_dyn.h b/packages/runtime/src/scr_dyn.h index 77921d246..12fbbc03d 100644 --- a/packages/runtime/src/scr_dyn.h +++ b/packages/runtime/src/scr_dyn.h @@ -482,7 +482,12 @@ struct ScrDyn { * exits, and those clear it before release; reuse of a freed object * resets it (scr_dyn_alloc). */ const char *class_name; - struct ScrDynRegion *region; /* see ScrDynRegion */ + union { + struct ScrDynRegion *region; /* see ScrDynRegion */ + /* While the node is pooled: the key bytes it keeps for reuse, + * counted in the pool's key budget (scr_dyn_obj_drop_keys). */ + size_t cached_key_bytes; + }; /* The dynamic tier's hidden class (scr_js_object.c): the transition * tree node naming this object's key sequence, or NULL while it has * none. Only programs with dynamic-tier code read or maintain it: @@ -965,6 +970,9 @@ ScrDyn *scr_dyn_inspect_custom_symbol(void); void scr_dyn_install_has_instance_symbol(ScrDyn *key); void scr_dyn_install_async_iterator_symbol(ScrDyn *key); void scr_dyn_install_async_dispose_symbol(ScrDyn *key); +void scr_dyn_install_species_symbol(ScrDyn *key); +/* Records each well-known symbol the symbol unit creates. */ +void scr_dyn_install_well_known_symbol(ScrDyn *key); void scr_dyn_install_to_string_tag_symbol(ScrDyn *key); /* True when key is Symbol.asyncDispose (registered by the symbol unit when * the program names it); handle symbol_get ops outside that unit use it. */ @@ -1052,6 +1060,9 @@ ScrDyn *scr_bytes_construct(const ScrDyn *callee, const ScrDyn *args, const ScrS extern SCR_TL bool (*scr_dyn_global_construct_fn)(const ScrDyn *callee, const ScrDyn *args, ScrDyn **result); ScrDyn *scr_dyn_bytes_key_get(const ScrDyn *value, const ScrStr *key); +/* A typed array's, Buffer's or DataView's own named property (+1), or NULL + * without an exception when it has none. */ +ScrDyn *scr_bytes_named_get(const ScrDyn *view, const char *key, size_t key_len); /* The Buffer-flavored twin (stream chunks): string coercion/toString * decode utf8 instead of joining elements. */ ScrDyn *scr_dyn_new_buffer(const ScrBytes *b); @@ -1624,6 +1635,19 @@ void scr_dyn_build_note(const ScrDyn *d, const void *builder, void *value); void scr_dyn_build_rekey(const ScrDyn *d, const void *builder, void *value); ScrDyn *scr_dyn_visit_view(const ScrDyn *capsule); +/* A union's builder converts the arm whose literal discriminator and + * complete structure matched; every value inside that arm then matched its + * own type too. Between scr_dyn_trust_enter and scr_dyn_trust_exit (which + * restores the value enter returned), scr_dyn_trusted_build answers true, + * and the builder of a nested union whose arms' literals are disjoint picks + * a plain object's arm by its literal alone instead of matching the arm's + * structure again (dyn.ts unionArmMatch). Code a getter or proxy trap runs + * sees false, and so does the rest of the conversion once such code has + * run: it can return a value the match never saw. */ +bool scr_dyn_trust_enter(void); +void scr_dyn_trust_exit(bool previous); +bool scr_dyn_trusted_build(void); + /* ── native handles in the checked-dynamic tree (SCR_DYN_HANDLE) ──────────────────────── * Per-tag dispatch ops, registered by the handle's owning unit * (scr_http_dyn_install / scr_net_dyn_install — emitted main() calls diff --git a/packages/runtime/src/scr_dyn_invoke.c b/packages/runtime/src/scr_dyn_invoke.c index 0597468cd..2fd3aa406 100644 --- a/packages/runtime/src/scr_dyn_invoke.c +++ b/packages/runtime/src/scr_dyn_invoke.c @@ -1712,6 +1712,20 @@ static ScrDyn *scr_dyn_invoke_impl( if (recv->kind == SCR_DYN_BYTES) { ScrBytes *bytes = recv->v.bytes; + /* An own property of the view shadows the prototype's method. */ + ScrDyn *member = bytes->properties ? scr_bytes_named_get(recv, method, strlen(method)) : NULL; + if (!member && scr_exc_pending()) return NULL; + if (member) { + ScrDyn *result = NULL; + if (!scr_dyn_is_callable(member)) dyn_throw_not_fn(what); + else { + scr_dyn_this_push_dyn(recv); + result = scr_dyn_call(member, args, argc, what); + scr_dyn_this_pop(); + } + scr_dyn_release(member); + return result; + } if (bytes->is_data_view) { static const char *const kinds[] = { "Uint8", "Int8", "Uint16", "Int16", "Uint32", "Int32", "Float32", "Float64", "BigUint64", "BigInt64", "Float16" }; const bool get = !strncmp(method, "get", 3); diff --git a/packages/runtime/src/scr_inspect.c b/packages/runtime/src/scr_inspect.c index 13e861c26..bec5be95a 100644 --- a/packages/runtime/src/scr_inspect.c +++ b/packages/runtime/src/scr_inspect.c @@ -968,6 +968,52 @@ ScrStr *scr_insp_regex(ScrRegex *re) { return ib_take(&out); } +/* Named properties of a typed array, Buffer or DataView (its + * ScrBytes.properties table): slot k is the k-th string-keyed entry, then + * the k-th symbol key. */ +static size_t insp_view_property_slots(const ScrDyn *props) { + if (!props) return 0; + return props->v.obj.len + (props->symbol_keys ? props->symbol_keys->v.arr.len : 0); +} + +static ScrStr *insp_accessor_tag(const ScrDynEntry *ent); +static void insp_key_into(InspBuf *b, const char *key, size_t len); + +/* Slot k's `key: value` entry when it is enumerable, else NULL. */ +static ScrStr *insp_view_property(ScrDyn *props, size_t k, double recurse, double depth) { + const ScrDynEntry *ent; + ScrStr *key = NULL; + if (k < props->v.obj.len) { + ent = &props->v.obj.entries[k]; + } else { + ScrDyn *symbol = props->symbol_keys->v.arr.items[k - props->v.obj.len]; + ent = scr_dyn_own_symbol_entry(props, symbol); + if (ent && ent->enumerable) key = scr_insp_dyn(symbol, recurse, depth); + } + if (!ent || !ent->enumerable) return NULL; + ScrStr *val = ent->accessor ? insp_accessor_tag(ent) : scr_insp_dyn(ent->value, recurse, depth); + InspBuf eb = {0}; + if (key) ib_bytes(&eb, key->data, key->len); + else insp_key_into(&eb, ent->key, ent->key_len); + ib_cstr(&eb, ": "); + ib_bytes(&eb, val->data, val->len); + scr_str_release(key); + scr_str_release(val); + return ib_take(&eb); +} + +static size_t insp_view_property_count(ScrDyn *props) { + size_t count = 0; + for (size_t k = 0; k < insp_view_property_slots(props); k++) { + if (k < props->v.obj.len) count += props->v.obj.entries[k].enumerable; + else { + const ScrDynEntry *ent = scr_dyn_own_symbol_entry(props, props->symbol_keys->v.arr.items[k - props->v.obj.len]); + count += ent && ent->enumerable; + } + } + return count; +} + /* Buffer: the custom-inspect hex form ``, capped at * INSPECT_MAX_BYTES (50); renders fully at any depth (custom inspection * runs before the depth check in Node). u8 element kind only (the @@ -990,6 +1036,17 @@ ScrStr *scr_insp_buffer(ScrBytes *b) { remaining > 1 ? "s" : ""); ib_bytes(&out, more, (size_t)n); } + /* Named properties follow as `, key: value`, rendered as the members of + * an object at depth 0 (Buffer's custom inspect). */ + bool first = true; + for (size_t k = 0; k < insp_view_property_slots(b->properties); k++) { + ScrStr *entry = insp_view_property(b->properties, k, 1, 2); + if (!entry) continue; + if (!first || b->len) ib_cstr(&out, ", "); + first = false; + ib_bytes(&out, entry->data, entry->len); + scr_str_release(entry); + } ib_char(&out, '>'); return ib_take(&out); } @@ -1073,6 +1130,12 @@ static ScrStr *scr_insp_data_view(const ScrBytes *b, double recurse, double dept entry = ib_take(&eb); scr_insp_entry(entry, false); scr_str_release(entry); + for (size_t k = 0; k < insp_view_property_slots(b->properties); k++) { + entry = insp_view_property(b->properties, k, recurse + 1, depth); + if (!entry) continue; + scr_insp_entry(entry, false); + scr_str_release(entry); + } ScrStr *base = scr_str_new("", 0); ScrStr *b0 = scr_str_new("DataView {", 10); ScrStr *b1 = scr_str_new("}", 1); @@ -1714,7 +1777,10 @@ static ScrStr *scr_insp_obj(ScrDyn *d, double recurse, double depth, const char ScrStr *scr_insp_typed_array(ScrBytes *b, double recurse, double depth) { char prefix[48]; int pn = snprintf(prefix, sizeof prefix, "%s(%zu) [", scr_bytes_elem_name(b->elem), b->len); - if (b->len == 0) { + /* Named properties follow the elements as `key: value` entries. */ + ScrDyn *props = b->properties; + size_t nprops = insp_view_property_count(props); + if (b->len == 0 && nprops == 0) { InspBuf out = {0}; ib_bytes(&out, prefix, (size_t)pn); ib_char(&out, ']'); @@ -1738,10 +1804,19 @@ ScrStr *scr_insp_typed_array(ScrBytes *b, double recurse, double depth) { scr_insp_entry(m, true); scr_str_release(m); } + size_t entries = shown + (more ? 1 : 0); + for (size_t k = 0; nprops && k < insp_view_property_slots(props); k++) { + ScrStr *entry = insp_view_property(props, k, recurse + 1, depth); + if (!entry) continue; + /* Node's grouping pads by the element at the entry's output position. */ + scr_insp_entry(entry, entries < b->len); + scr_str_release(entry); + entries++; + } ScrStr *base = scr_str_new("", 0); ScrStr *b0 = scr_str_new(prefix, (size_t)pn); ScrStr *b1 = scr_str_new("]", 1); - ScrStr *out = scr_insp_end(base, b0, b1, recurse + 1, true, more); + ScrStr *out = scr_insp_end(base, b0, b1, recurse + 1, true, nprops ? entries > 100 : more); scr_str_release(base); scr_str_release(b0); scr_str_release(b1); diff --git a/packages/runtime/src/scr_json.c b/packages/runtime/src/scr_json.c index b637b55f3..b19429087 100644 --- a/packages/runtime/src/scr_json.c +++ b/packages/runtime/src/scr_json.c @@ -228,6 +228,33 @@ void scr_dyn_install_has_instance_symbol(ScrDyn *key) { scr_atexit(scr_has_instance_symbol_cleanup); } +/* Symbol.species, installed when the program first evaluates it: no + * constructor names a species before then. */ +static SCR_TL ScrDyn *scr_species_symbol; +static void scr_species_symbol_cleanup(void) { + scr_dyn_release(scr_species_symbol); + scr_species_symbol = NULL; +} +void scr_dyn_install_species_symbol(ScrDyn *key) { + if (scr_species_symbol) return; + scr_species_symbol = scr_dyn_retain(key); + scr_atexit(scr_species_symbol_cleanup); +} + +/* The well-known symbols the program has created. They live until exit, + * so their identities are compared without a reference. */ +static SCR_TL const ScrSym *scr_well_known_symbols[24]; +static SCR_TL size_t scr_well_known_count; +void scr_dyn_install_well_known_symbol(ScrDyn *key) { + if (scr_well_known_count < sizeof scr_well_known_symbols / sizeof scr_well_known_symbols[0]) + scr_well_known_symbols[scr_well_known_count++] = key->v.symbol.value; +} +static bool scr_dyn_well_known_symbol(const ScrDyn *key) { + for (size_t i = 0; i < scr_well_known_count; i++) + if (scr_well_known_symbols[i] == key->v.symbol.value) return true; + return false; +} + /* Symbol.toStringTag, installed when the program first evaluates it: no * object holds the key before then. */ static SCR_TL ScrDyn *scr_to_string_tag_symbol; @@ -864,15 +891,21 @@ static SCR_TL size_t scr_dyn_cached_key_bytes; #define SCR_DYN_KEY_CACHE_LENGTH 64 #endif -static void scr_dyn_obj_drop_keys(ScrDyn *d, bool cache) { +/* Returns the key bytes it kept for reuse, which it added to the budget; + * the pooled node records them (v.obj.cached_key_bytes) so its reuse takes + * them back without walking its slots. */ +static size_t scr_dyn_obj_drop_keys(ScrDyn *d, bool cache) { + size_t kept = 0; for (size_t i = 0; i < d->v.obj.cap; i++) { ScrDynEntry *entry = &d->v.obj.entries[i]; if (!entry->key) continue; #ifndef SCR_RC_AUDIT + size_t bytes = sizeof(ScrDynKey) + entry->key_len + 1; if (cache && d->v.obj.cap <= SCR_DYN_KEY_CACHE_SLOTS && entry->key_len <= SCR_DYN_KEY_CACHE_LENGTH && - sizeof(ScrDynKey) + entry->key_len + 1 <= SCR_DYN_KEY_CACHE_MAX - scr_dyn_cached_key_bytes) { - scr_dyn_cached_key_bytes += sizeof(ScrDynKey) + entry->key_len + 1; + bytes <= SCR_DYN_KEY_CACHE_MAX - scr_dyn_cached_key_bytes) { + scr_dyn_cached_key_bytes += bytes; + kept += bytes; continue; } #else @@ -882,6 +915,7 @@ static void scr_dyn_obj_drop_keys(ScrDyn *d, bool cache) { entry->key = NULL; entry->key_len = 0; } + return kept; } /* Primitive kinds cannot acquire properties or change kind while live, so @@ -919,6 +953,17 @@ void scr_dyn_trace_v(void *ptr, ScrTraceVisit visit, void *ctx) { } break; case SCR_DYN_FUNC: visit(d->v.fn.clo, ctx); break; + case SCR_DYN_BYTES: { + /* A view's named properties belong to its ScrBytes. Only a view this + * value alone holds owns that edge; a shared view's table stays out of + * trial deletion. Teardown reads the snapshot, not the count. */ + ScrBytes *bytes = d->v.bytes; + if (bytes->properties) { + bytes->properties_traced = bytes->rc == 1; + if (bytes->properties_traced) visit(bytes->properties, ctx); + } + break; + } case SCR_DYN_PROXY: visit(d->v.proxy.target, ctx); visit(d->v.proxy.handler, ctx); @@ -1072,15 +1117,11 @@ static ScrDyn *scr_dyn_alloc(ScrDynKind kind) { d->v.arr.region = NULL; } else if (kind == SCR_DYN_OBJ) { d->v.obj.len = 0; /* cap/entries preserved */ + /* The kept keys leave the pool's budget with the node. */ + scr_dyn_cached_key_bytes -= d->v.obj.cached_key_bytes; d->v.obj.region = NULL; d->v.obj.class_name = NULL; /* a released class prototype's name */ SCR_JS_SHAPE_RESET(d); - if (d->v.obj.cap <= SCR_DYN_KEY_CACHE_SLOTS) { - for (size_t i = 0; i < d->v.obj.cap; i++) { - ScrDynEntry *entry = &d->v.obj.entries[i]; - if (entry->key) scr_dyn_cached_key_bytes -= sizeof(ScrDynKey) + entry->key_len + 1; - } - } d->v.obj.source_identity = NULL; d->v.obj.source_access = NULL; } else if (kind != SCR_DYN_NUM && kind != SCR_DYN_STR) { @@ -1146,6 +1187,12 @@ static inline void scr_dyn_weak_dispose(ScrDyn *d) { if (scr_weak_observing) scr_weak_disposed(d); } +/* A disposed node's child: most getters, setters, prototypes and symbol + * tables are NULL, and the test costs less than the call. */ +static inline void scr_dyn_release_child(ScrDyn *child) { + if (child) scr_dyn_release(child); +} + static void scr_dyn_dispose(ScrDyn *d, bool collected) { #ifndef SCR_RC_AUDIT /* A capsule with nothing but its referent and adapters: the common end @@ -1167,9 +1214,9 @@ static void scr_dyn_dispose(ScrDyn *d, bool collected) { d->v.obj.index = NULL; } if (d->kind == SCR_DYN_ARR || d->kind == SCR_DYN_OBJ) scr_dyn_region_leave(d); - if (!collected) scr_dyn_release(d->prototype); - if (!collected) scr_dyn_release(d->symbol_properties); - if (!collected) scr_dyn_release(d->symbol_keys); + if (!collected) scr_dyn_release_child(d->prototype); + if (!collected) scr_dyn_release_child(d->symbol_properties); + if (!collected) scr_dyn_release_child(d->symbol_keys); /* Pooled nodes keep all three NULL (scr_dyn_leaf_alloc relies on it). */ d->prototype = d->symbol_properties = d->symbol_keys = NULL; switch (d->kind) { @@ -1183,23 +1230,25 @@ static void scr_dyn_dispose(ScrDyn *d, bool collected) { scr_str_release(d->v.str); break; case SCR_DYN_BYTES: + /* The collector frees a traced table itself. */ + if (collected && d->v.bytes->properties && d->v.bytes->properties_traced) d->v.bytes->properties = NULL; scr_bytes_release(d->v.bytes); break; case SCR_DYN_ARR: free(d->v.arr.presence); d->v.arr.presence = NULL; if (!collected) { - for (size_t i = 0; i < d->v.arr.len; i++) scr_dyn_release(d->v.arr.items[i]); - scr_dyn_release(d->v.arr.properties); + for (size_t i = 0; i < d->v.arr.len; i++) scr_dyn_release_child(d->v.arr.items[i]); + scr_dyn_release_child(d->v.arr.properties); } break; case SCR_DYN_OBJ: for (size_t i = 0; i < d->v.obj.len; i++) { ScrDyn *value = d->v.obj.entries[i].value; - if (!collected || !d->v.obj.entries[i].value_traced) scr_dyn_release(value); + if (!collected || !d->v.obj.entries[i].value_traced) scr_dyn_release_child(value); if (!collected) { - scr_dyn_release(d->v.obj.entries[i].getter); - scr_dyn_release(d->v.obj.entries[i].setter); + scr_dyn_release_child(d->v.obj.entries[i].getter); + scr_dyn_release_child(d->v.obj.entries[i].setter); } d->v.obj.entries[i].value = NULL; d->v.obj.entries[i].getter = NULL; @@ -1225,7 +1274,7 @@ static void scr_dyn_dispose(ScrDyn *d, bool collected) { case SCR_DYN_TYPED_REF: scr_typed_ref_forget(d); - if (!collected) scr_dyn_release(d->v.typed_ref.materialized); + if (!collected) scr_dyn_release_child(d->v.typed_ref.materialized); while (d->v.typed_ref.casts) { ScrDynTypedCast *cast = d->v.typed_ref.casts; d->v.typed_ref.casts = cast->next; @@ -1236,8 +1285,8 @@ static void scr_dyn_dispose(ScrDyn *d, bool collected) { break; case SCR_DYN_PROXY: if (!collected) { - scr_dyn_release(d->v.proxy.target); - scr_dyn_release(d->v.proxy.handler); + scr_dyn_release_child(d->v.proxy.target); + scr_dyn_release_child(d->v.proxy.handler); } break; default: @@ -1248,7 +1297,7 @@ static void scr_dyn_dispose(ScrDyn *d, bool collected) { #endif #ifndef SCR_RC_AUDIT if (!collected && scr_dyn_free_count < SCR_DYN_FREE_MAX) { - if (d->kind == SCR_DYN_OBJ) scr_dyn_obj_drop_keys(d, true); + if (d->kind == SCR_DYN_OBJ) d->v.obj.cached_key_bytes = scr_dyn_obj_drop_keys(d, true); /* Pooled blocks retain their headers and count toward the bounded * allocated heap, but never remain in a candidate buffer. */ scr_dyn_weak_dispose(d); @@ -2612,10 +2661,27 @@ static bool scr_dyn_typed_ref_view_answer(ScrDyn *object, bool (*query)(const Sc return true; } +static ScrDyn *scr_bytes_properties(const ScrDyn *v); static bool scr_dyn_is_extensible_view(const ScrDyn *view) { + if (view->kind == SCR_DYN_BYTES) return !view->v.bytes->properties || !view->v.bytes->properties->non_extensible; return (view->kind == SCR_DYN_OBJ || view->kind == SCR_DYN_ARR) && !view->non_extensible; } +/* A view's integrity state lives on its named-property table. A typed array + * with elements cannot be frozen, and cannot be sealed while extensible: as + * in V8, the named properties are sealed or frozen and the view made + * non-extensible before the TypeError. */ +static bool scr_bytes_integrity_fence(const ScrDyn *view, const char *verb) { + if (view->v.bytes->is_data_view || view->v.bytes->len == 0) return false; + ScrJsonBuf message; + scr_jb_init(&message); + scr_jb_puts(&message, "Cannot "); + scr_jb_puts(&message, verb); + scr_jb_puts(&message, " array buffer views with elements"); + scr_throw_error(SCR_ERR_TYPE, scr_jb_finish(&message)); + return true; +} + /* A plain function's own properties (name, length, prototype, and the ones * a program adds) live in its property table, which carries the function's * integrity state too: freezing or sealing the function freezes or seals @@ -2664,6 +2730,7 @@ ScrDyn *scr_dyn_prevent_extensions(ScrDyn *object) { if (object->kind == SCR_DYN_ARR && object->v.arr.properties) object->v.arr.properties->non_extensible = true; } + if (object->kind == SCR_DYN_BYTES) scr_bytes_properties(object)->non_extensible = true; return scr_dyn_retain(object); } @@ -2694,6 +2761,12 @@ ScrDyn *scr_dyn_seal(ScrDyn *object) { if (scr_dyn_class_integrity(object, scr_dyn_seal)) return scr_exc_pending() ? NULL : scr_dyn_retain(object); if (scr_dyn_class_integrity_fence(object, "Object.seal")) return NULL; + if (object->kind == SCR_DYN_BYTES) { + bool extensible = scr_dyn_is_extensible_view(object); + scr_dyn_release(scr_dyn_seal(scr_bytes_properties(object))); + if (extensible && scr_bytes_integrity_fence(object, "seal")) return NULL; + return scr_dyn_retain(object); + } if (object->symbol_properties) scr_dyn_release(scr_dyn_seal(object->symbol_properties)); ScrDyn *table = scr_dyn_fn_integrity_table(object); if (table) { @@ -2729,6 +2802,8 @@ bool scr_dyn_is_sealed(const ScrDyn *object) { if (object->kind == SCR_DYN_ARR) return object->non_extensible && (object->v.arr.len == 0 || object->v.arr.sealed) && (!object->v.arr.properties || scr_dyn_is_sealed(object->v.arr.properties)); + /* V8 answers from a typed array's named properties alone. */ + if (object->kind == SCR_DYN_BYTES) return object->v.bytes->properties && scr_dyn_is_sealed(object->v.bytes->properties); if (object->kind != SCR_DYN_OBJ) return true; if (!object->non_extensible) return false; for (size_t i = 0; i < object->v.obj.len; i++) if (object->v.obj.entries[i].configurable) return false; @@ -2935,6 +3010,65 @@ static bool scr_dyn_data_view_proto_name(const ScrStr *key) { return scr_dyn_name_in(key, names, sizeof names / sizeof names[0]); } +/* A canonical numeric string ("1", "-0", "1.5", "Infinity"): typed arrays + * answer those keys as element indices, never as named properties. */ +static bool scr_bytes_numeric_key(const ScrStr *key, double *index) { + if (key->len == 2 && memcmp(key->data, "-0", 2) == 0) { *index = -0.0; return true; } + *index = scr_string_to_number(key); + char spelling[32]; + size_t length = scr_f64_to_str(*index, spelling); + return length == key->len && memcmp(spelling, key->data, length) == 0; +} + +/* Whether the view has an own named property `key`. */ +static bool scr_bytes_has_named(const ScrDyn *v, const ScrStr *key) { + const ScrDyn *properties = v->v.bytes->properties; + return properties && scr_dyn_obj_get(properties, key->data, key->len); +} + +/* The view's own named property `key` read with the view as a getter's + * `this` (+1), or NULL without an exception when the view has none. Only + * reads the table, so callers do not link the typed array methods. */ +ScrDyn *scr_bytes_named_get(const ScrDyn *view, const char *key, size_t key_len) { + const ScrDyn *properties = view->v.bytes->properties; + if (!properties || !scr_dyn_obj_get(properties, key, key_len)) return NULL; + return scr_dyn_obj_read_receiver(properties, key, key_len, view); +} + +/* The view's named-property table, created on first use. Borrowed. The + * table belongs to the ScrBytes, which several checked values can wrap. */ +static ScrDyn *scr_bytes_properties(const ScrDyn *v) { + ScrBytes *bytes = v->v.bytes; + if (!bytes->properties) bytes->properties = scr_dyn_new_obj_null_proto(); + return bytes->properties; +} + +/* Accessors without a setter on the view's prototype chain: writing one + * that the view does not own throws V8's strict-mode TypeError. */ +static bool scr_bytes_getter_name(const ScrDyn *v, const ScrStr *key) { + static const char *const names[] = { "byteLength", "byteOffset", "buffer", "length", "parent", "offset" }; + size_t count = v->v.bytes->is_data_view ? 3 : v->buffer ? 6 : 4; + return scr_dyn_name_in(key, names, count); +} + +/* Keys that the runtime's conversions, iteration and printing of a view + * read from its prototype without consulting its own properties. */ +static bool scr_bytes_protocol_name(const ScrStr *key) { + static const char *const names[] = { "toString", "valueOf", "toLocaleString", "toJSON", "join" }; + return scr_dyn_name_in(key, names, sizeof names / sizeof names[0]); +} + +static void scr_bytes_protocol_fence(const char *key, size_t key_len) { + ScrJsonBuf message; + scr_jb_init(&message); + scr_jb_puts(&message, "defining "); + scr_jb_write(&message, key, key_len); + scr_jb_puts(&message, " on a typed array, Buffer or DataView is not supported yet"); + ScrStr *text = scr_jb_finish(&message); + scr_throw_error_msg_code(SCR_ERR_ERROR, text->data, text->len, "SC2020"); + scr_str_release(text); +} + /* `in` on a typed array, Buffer or DataView. On a typed array, a canonical * numeric key (one that ToString(ToNumber(key)) reproduces, or "-0") * answers by bounds alone: an integral index, not -0, below the length. @@ -2942,6 +3076,7 @@ static bool scr_dyn_data_view_proto_name(const ScrStr *key) { * Buffer, or Object.prototype. A DataView has no indexed elements: its keys * name members of DataView.prototype or Object.prototype. */ static bool scr_dyn_bytes_in(const ScrDyn *v, const ScrStr *key) { + if (scr_bytes_has_named(v, key)) return true; if (v->v.bytes->is_data_view) return scr_dyn_data_view_proto_name(key) || scr_dyn_object_proto_name(key); if (key->len == 2 && memcmp(key->data, "-0", 2) == 0) return false; double index = scr_string_to_number(key); @@ -3057,6 +3192,19 @@ ScrDyn *scr_dyn_own_descriptor(const ScrDyn *value, const ScrStr *key) { scr_dyn_obj_set(out, "configurable", 12, scr_dyn_new_bool(false)); return out; } + if (value->kind == SCR_DYN_BYTES && scr_bytes_has_named(value, key)) + return scr_dyn_own_descriptor(value->v.bytes->properties, key); + if (value->kind == SCR_DYN_BYTES && !value->v.bytes->is_data_view) { + if (!scr_dyn_canonical_own_index(key, value->v.bytes->len)) return scr_dyn_retain(scr_dyn_undefined()); + size_t index = 0; + for (size_t i = 0; i < key->len; i++) index = index * 10 + (size_t)(key->data[i] - '0'); + ScrDyn *out = scr_dyn_new_obj(); + scr_dyn_obj_set(out, "value", 5, scr_dyn_new_num(scr_bytes_get(value->v.bytes, (double)index))); + scr_dyn_obj_set(out, "writable", 8, scr_dyn_new_bool(true)); + scr_dyn_obj_set(out, "enumerable", 10, scr_dyn_new_bool(true)); + scr_dyn_obj_set(out, "configurable", 12, scr_dyn_new_bool(true)); + return out; + } if (value->kind == SCR_DYN_ARR) { if (value->v.arr.properties && scr_dyn_obj_get(value->v.arr.properties, key->data, key->len)) @@ -5182,6 +5330,88 @@ static double *dyn_bytes_values(const ScrBytes *b, size_t n) { return values; } +static ScrDyn *scr_dyn_symbol_receiver(const ScrDyn *value); +static ScrDynEntry *scr_dyn_symbol_entry(const ScrDyn *receiver, const ScrDyn *key, bool own); + +/* Whether a typed-array constructor has a Symbol.species of its own, + * shadowing the one it inherits from %TypedArray%. */ +static bool scr_bytes_ctor_own_species(const ScrDyn *constructor) { + ScrDyn *table = scr_dyn_symbol_receiver(constructor); + bool own = table && scr_dyn_symbol_entry(table, scr_species_symbol, true); + scr_dyn_release(table); + return own; +} + +/* A relative index (ToIntegerOrInfinity, negatives from the end), clamped + * to [0, len], as scr_bytes_slice computes it. */ +static size_t scr_bytes_rel_index_of(double i, size_t len) { + if (i != i) return 0; + double t = trunc(i); + if (t < 0) t += (double)len; + if (t < 0) return 0; + if (t > (double)len) return len; + return (size_t)t; +} + +/* SpeciesConstructor of a typed array: NULL (and no exception) for the + * default constructor of its kind, else the species constructor (+1). + * Only a `constructor` the program set on the view can differ. */ +static ScrDyn *scr_bytes_species(ScrDyn *recv, bool *failed) { + *failed = false; + ScrStr *name = scr_str_new("constructor", 11); + bool own = scr_bytes_has_named(recv, name); + ScrDyn *constructor = own ? scr_dyn_obj_read_receiver(recv->v.bytes->properties, name->data, name->len, recv) : NULL; + scr_str_release(name); + if (!own) return NULL; + if (!constructor) { *failed = true; return NULL; } + if (constructor->kind == SCR_DYN_UNDEF) { scr_dyn_release(constructor); return NULL; } + if (constructor->kind != SCR_DYN_OBJ && constructor->kind != SCR_DYN_FUNC) { + scr_dyn_release(constructor); + static const char message[] = "object.constructor is not an object"; + scr_throw_error_msg(SCR_ERR_TYPE, message, sizeof message - 1); + *failed = true; + return NULL; + } + /* Before the program creates the species symbol, no constructor can have + * a Symbol.species property of its own. */ + ScrDyn *species = scr_species_symbol ? scr_dyn_symbol_key_get(constructor, scr_species_symbol, true) + : scr_dyn_retain(scr_dyn_undefined()); + if (species && species->kind == SCR_DYN_UNDEF && scr_bytes_ctor_elem(constructor) >= 0 && + (!scr_species_symbol || !scr_bytes_ctor_own_species(constructor))) { + /* A built-in typed-array constructor inherits %TypedArray%'s species + * getter, which returns the constructor itself. */ + scr_dyn_release(species); + species = scr_dyn_retain(constructor); + } + scr_dyn_release(constructor); + if (scr_exc_pending()) { scr_dyn_release(species); *failed = true; return NULL; } + if (!species || species->kind == SCR_DYN_UNDEF || species->kind == SCR_DYN_NULL || + scr_bytes_ctor_elem(species) == (int)recv->v.bytes->elem) { + scr_dyn_release(species); + return NULL; + } + if (!scr_dyn_is_callable(species)) { + scr_dyn_release(species); + static const char message[] = "object.constructor[Symbol.species] is not a constructor"; + scr_throw_error_msg(SCR_ERR_TYPE, message, sizeof message - 1); + *failed = true; + return NULL; + } + return species; +} + +/* TypedArraySpeciesCreate(recv, [n]): a new array of the receiver's kind + * (and Buffer flavor), or the species constructor's checked result. */ +static ScrDyn *scr_bytes_species_create(ScrDyn *recv, size_t n) { + bool failed; + ScrDyn *species = scr_bytes_species(recv, &failed); + if (failed) return NULL; + if (!species) return dyn_bytes_wrap(recv, scr_bytes_new(recv->v.bytes->elem, (double)n)); + ScrDyn *result = scr_bytes_static_create(species, n); + scr_dyn_release(species); + return result; +} + ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *args, size_t argc, bool *handled) { ScrBytes *bytes = recv->v.bytes; size_t len = bytes->len; @@ -5201,11 +5431,48 @@ ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *ar if (scr_exc_pending()) return NULL; double endD = scr_dyn_bytes_index_arg(args, argc, 1, (double)blen); if (scr_exc_pending()) return NULL; - ScrBytes *out = recv->buffer || scr_dyn_bytes_named(method, "subarray") - ? scr_bytes_subarray(bytes, startD, endD) : scr_bytes_slice(bytes, startD, endD); - ScrDyn *d = recv->buffer ? scr_dyn_new_buffer(out) : scr_dyn_new_bytes(out); + const bool subarray = recv->buffer || scr_dyn_bytes_named(method, "subarray"); + bool failed; + ScrDyn *species = recv->buffer ? NULL : scr_bytes_species(recv, &failed); + if (!recv->buffer && failed) return NULL; + if (species && !subarray) { + /* TypedArraySpeciesCreate runs first: the constructor can change the + * source, and the copy reads its elements as they are afterwards, + * up to its current length. */ + size_t from = scr_bytes_rel_index_of(startD, blen), to = scr_bytes_rel_index_of(endD, blen); + size_t count = to > from ? to - from : 0; + ScrDyn *result = scr_bytes_static_create(species, count); + scr_dyn_release(species); + if (!result) return NULL; + size_t end = to < bytes->len ? to : bytes->len; + for (size_t k = from, n = 0; k < end; k++, n++) + scr_bytes_set(result->v.bytes, (double)n, scr_bytes_get(bytes, (double)k)); + return result; + } + ScrBytes *out = subarray ? scr_bytes_subarray(bytes, startD, endD) : scr_bytes_slice(bytes, startD, endD); + if (!species) { + ScrDyn *d = recv->buffer ? scr_dyn_new_buffer(out) : scr_dyn_new_bytes(out); + scr_bytes_release(out); + return d; + } + /* A subarray's species constructor views the same buffer. */ + ScrDyn *ctor_args = scr_dyn_new_arr(); + scr_dyn_arr_push(ctor_args, scr_array_buffer_from_bytes(bytes)); + scr_dyn_arr_push(ctor_args, scr_dyn_new_num(scr_bytes_byte_offset(out))); + scr_dyn_arr_push(ctor_args, scr_dyn_new_num((double)out->len)); + ScrStr *what = scr_str_new("TypedArray species", 18); + ScrDyn *result = scr_dyn_construct(species, ctor_args, what); + scr_str_release(what); + scr_dyn_release(ctor_args); + if (result && (result->kind != SCR_DYN_BYTES || result->v.bytes->is_data_view)) { + scr_dyn_release(result); + result = NULL; + static const char message[] = "this is not a typed array."; + scr_throw_error_msg(SCR_ERR_TYPE, message, sizeof message - 1); + } + scr_dyn_release(species); scr_bytes_release(out); - return d; + return result; } if (scr_dyn_bytes_named(method, "set")) { double offset = scr_dyn_bytes_index_arg(args, argc, 1, 0); @@ -5243,6 +5510,22 @@ ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *ar scr_str_release(joined); return out; } + if (scr_dyn_bytes_named(method, "toLocaleString")) { + /* Each element's Number.prototype.toLocaleString, joined by ",". */ + ScrJsonBuf b; + scr_jb_init(&b); + for (size_t i = 0; i < len; i++) { + if (i > 0) scr_jb_putc(&b, ','); + if (i >= bytes->len) continue; + ScrStr *text = scr_intl_num_format_en_us(scr_bytes_get(bytes, (double)i)); + scr_jb_write(&b, text->data, text->len); + scr_str_release(text); + } + ScrStr *joined = scr_jb_finish(&b); + ScrDyn *out = scr_dyn_new_str(joined); + scr_str_release(joined); + return out; + } if (scr_dyn_bytes_named(method, "keys") || scr_dyn_bytes_named(method, "values") || scr_dyn_bytes_named(method, "entries")) return scr_dyn_native_handle_iterator(recv, scr_dyn_bytes_named(method, "keys") ? 1 : scr_dyn_bytes_named(method, "entries") ? 2 : 0); if (scr_dyn_bytes_named(method, "indexOf") || scr_dyn_bytes_named(method, "lastIndexOf") || scr_dyn_bytes_named(method, "includes")) { @@ -5281,7 +5564,8 @@ ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *ar if (!scr_dyn_bytes_cb_check(args, argc)) return NULL; ScrDyn *cb = args[0], *this_arg = argc > 1 ? args[1] : scr_dyn_undefined(); const bool backward = scr_dyn_bytes_named(method, "findLast") || scr_dyn_bytes_named(method, "findLastIndex"); - ScrBytes *mapped = scr_dyn_bytes_named(method, "map") ? scr_bytes_new(bytes->elem, (double)len) : NULL; + ScrDyn *mapped = NULL; + if (scr_dyn_bytes_named(method, "map") && !(mapped = scr_bytes_species_create(recv, len))) return NULL; double *kept = scr_dyn_bytes_named(method, "filter") ? malloc((len ? len : 1) * sizeof *kept) : NULL; size_t nkept = 0; for (size_t step = 0; step < len; step++) { @@ -5292,7 +5576,7 @@ ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *ar scr_dyn_release(index); if (!r) { scr_dyn_release(item); - if (mapped) scr_bytes_release(mapped); + scr_dyn_release(mapped); free(kept); return NULL; } @@ -5301,8 +5585,8 @@ ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *ar bool converted = scr_dyn_number_coerce_js(r, &v); scr_dyn_release(r); scr_dyn_release(item); - if (!converted) { scr_bytes_release(mapped); return NULL; } - if (k < mapped->len) scr_bytes_set(mapped, (double)k, v); + if (!converted) { scr_dyn_release(mapped); return NULL; } + if (k < mapped->v.bytes->len) scr_bytes_set(mapped->v.bytes, (double)k, v); continue; } bool truthy = scr_dyn_truthy(r); @@ -5323,12 +5607,12 @@ ScrDyn *scr_dyn_bytes_method(ScrDyn *recv, const char *method, ScrDyn *const *ar } scr_dyn_release(item); } - if (mapped) return dyn_bytes_wrap(recv, mapped); + if (mapped) return mapped; if (kept) { - ScrBytes *out = scr_bytes_new(bytes->elem, (double)nkept); - for (size_t i = 0; i < nkept; i++) scr_bytes_set(out, (double)i, kept[i]); + ScrDyn *out = scr_bytes_species_create(recv, nkept); + for (size_t i = 0; out && i < nkept; i++) scr_bytes_set(out->v.bytes, (double)i, kept[i]); free(kept); - return dyn_bytes_wrap(recv, out); + return out; } if (scr_dyn_bytes_named(method, "some")) return scr_dyn_new_bool(false); if (scr_dyn_bytes_named(method, "every")) return scr_dyn_new_bool(true); @@ -5455,6 +5739,8 @@ static ScrDyn *scr_dyn_bytes_method_value(const ScrStr *name, size_t arity) { /* Shared view metadata and indexed reads for both compiler backends. */ ScrDyn *scr_dyn_bytes_key_get(const ScrDyn *value, const ScrStr *key) { ScrBytes *bytes = value->v.bytes; + /* Own named properties first; a getter sees the view as `this`. */ + if (scr_bytes_has_named(value, key)) return scr_bytes_named_get(value, key->data, key->len); if (key->len == 10 && memcmp(key->data, "byteLength", 10) == 0) return scr_dyn_new_num(scr_bytes_byte_len(bytes)); if (key->len == 10 && memcmp(key->data, "byteOffset", 10) == 0) return scr_dyn_new_num(scr_bytes_byte_offset(bytes)); if (key->len == 6 && memcmp(key->data, "buffer", 6) == 0) return scr_array_buffer_from_bytes(bytes); @@ -6456,6 +6742,45 @@ bool scr_dyn_same_value(const ScrDyn *left, const ScrDyn *right) { static void scr_dyn_descriptor_fields_drop(ScrDyn **fields) { for (size_t i = 0; i < 6; i++) scr_dyn_release(fields[i]); } + +/* ToPropertyDescriptor: the present fields of `descriptor` (enumerable, + * configurable, value, writable, get, set; +1 each, NULL when absent), + * read in that order through any getters. False with a TypeError pending + * for a primitive descriptor, a getter's exception, or an invalid + * combination; every field is then released. */ +static bool scr_dyn_descriptor_fields_read(const ScrDyn *descriptor, ScrDyn **fields) { + for (size_t i = 0; i < 6; i++) fields[i] = NULL; + if (descriptor->kind != SCR_DYN_OBJ) { + static const char msg[] = "Property description must be an object"; + scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); + return false; + } + static const char *const names[] = {"enumerable", "configurable", "value", "writable", "get", "set"}; + static const size_t lengths[] = {10, 12, 5, 8, 3, 3}; + for (size_t i = 0; i < 6; i++) { + if (!scr_dyn_obj_get(descriptor, names[i], lengths[i])) continue; + fields[i] = scr_dyn_obj_read(descriptor, names[i], lengths[i]); + if (!fields[i]) { + scr_dyn_descriptor_fields_drop(fields); + return false; + } + } + ScrDyn *get = fields[4], *set = fields[5]; + if ((get || set) && (fields[2] || fields[3])) { + scr_dyn_descriptor_fields_drop(fields); + static const char msg[] = "Invalid property descriptor. Cannot both specify accessors and a value or writable attribute"; + scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); + return false; + } + if ((get && get->kind != SCR_DYN_UNDEF && get->kind != SCR_DYN_FUNC) || + (set && set->kind != SCR_DYN_UNDEF && set->kind != SCR_DYN_FUNC)) { + scr_dyn_descriptor_fields_drop(fields); + static const char msg[] = "Getter and setter must be functions"; + scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); + return false; + } + return true; +} static void scr_error_sync_cause(ScrDyn *view, const ScrStr *key); static void scr_error_sync_slots(const ScrDyn *view, ScrDyn *obj, const ScrStr *key); @@ -6780,6 +7105,10 @@ static ScrDyn *scr_dyn_symbol_receiver(const ScrDyn *value) { if (value->kind == SCR_DYN_FUNC) return scr_dyn_fn_properties(value); if (value->kind == SCR_DYN_OBJ || value->kind == SCR_DYN_ARR || value->kind == SCR_DYN_HANDLE) return scr_dyn_retain((ScrDyn *)value); + /* A view keeps its symbol properties on its named-property table, which + * writes create first (scr_bytes_symbol_write). */ + if (value->kind == SCR_DYN_BYTES) + return value->v.bytes->properties ? scr_dyn_retain(value->v.bytes->properties) : NULL; if (value->kind == SCR_DYN_PROXY) { static const char message[] = "Symbol properties on this native value have no lowering"; scr_throw_error_msg_code(SCR_ERR_ERROR, message, sizeof message - 1, "SC2020"); @@ -8193,8 +8522,46 @@ void scr_dyn_symbol_key_placeholder(ScrDyn *value, ScrDyn *key) { entry->value = scr_dyn_retain(scr_dyn_undefined()); } +/* Symbol keys that the runtime reads from a view's prototype without + * consulting its own properties: the well-known symbols and + * util.inspect.custom. */ +static bool scr_bytes_protocol_symbol(const ScrDyn *key) { + if (scr_dyn_well_known_symbol(key)) return true; + ScrStr *description = key->v.symbol.description(key->v.symbol.value); + bool custom = description && description->len == 26 && !memcmp(description->data, "nodejs.util.inspect.custom", 26); + scr_str_release(description); + return custom; +} + +/* Before a symbol-keyed write or definition on a view: false with an + * exception pending for a key the view cannot own, else true with the + * view's table created. Symbol.toStringTag is an accessor without a setter + * on %TypedArray%.prototype, so assigning it throws V8's TypeError. */ +static bool scr_bytes_symbol_write(ScrDyn *value, const ScrDyn *key, bool assign) { + ScrDyn *receiver = scr_dyn_symbol_receiver(value); + bool own = receiver && scr_dyn_symbol_entry(receiver, key, true); + scr_dyn_release(receiver); + if (own) return true; + ScrStr *description = key->v.symbol.description(key->v.symbol.value); + bool tag = assign && !value->v.bytes->is_data_view && scr_dyn_well_known_symbol(key) && description && + description->len == 18 && !memcmp(description->data, "Symbol.toStringTag", 18); + if (tag) { + static const char message[] = "Cannot set property Symbol(Symbol.toStringTag) of [object Object] which has only a getter"; + scr_throw_error_msg(SCR_ERR_TYPE, message, sizeof message - 1); + } else if (scr_bytes_protocol_symbol(key)) { + ScrStr *name = key->v.symbol.render(key->v.symbol.value); + scr_bytes_protocol_fence(name->data, name->len); + scr_str_release(name); + } + scr_str_release(description); + if (scr_exc_pending()) return false; + scr_bytes_properties(value); + return true; +} + void scr_dyn_symbol_key_set(ScrDyn *value, ScrDyn *key, ScrDyn *stored) { if (scr_dyn_error_prototype_fence(value)) return; + if (value->kind == SCR_DYN_BYTES && !scr_bytes_symbol_write(value, key, true)) return; ScrDyn *receiver = scr_dyn_symbol_receiver(value); if (!receiver) { if (!scr_exc_pending()) { @@ -8217,6 +8584,18 @@ void scr_dyn_symbol_key_set(ScrDyn *value, ScrDyn *key, ScrDyn *stored) { scr_throw_error_msg(SCR_ERR_TYPE, message, sizeof message - 1); } else { bool present = scr_dyn_symbol_entry(receiver, key, true) != NULL; + if (!present && receiver->non_extensible) { + ScrStr *rendered = key->v.symbol.render(key->v.symbol.value); + ScrJsonBuf message; + scr_jb_init(&message); + scr_jb_puts(&message, "Cannot add property "); + scr_jb_write(&message, rendered->data, rendered->len); + scr_jb_puts(&message, ", object is not extensible"); + scr_str_release(rendered); + scr_throw_error(SCR_ERR_TYPE, scr_jb_finish(&message)); + scr_dyn_release(receiver); + return; + } scr_dyn_symbol_table(receiver); ScrStr *name = scr_dyn_symbol_storage_key(key); scr_dyn_key_set(receiver->symbol_properties, name, stored); @@ -8258,6 +8637,7 @@ void scr_dyn_symbol_field_set(ScrDyn *obj, ScrDyn *key, ScrDyn *value) { } static ScrDyn *scr_dyn_define_symbol(ScrDyn *target, ScrDyn *key, ScrDyn *descriptor) { + if (target->kind == SCR_DYN_BYTES && !scr_bytes_symbol_write(target, key, false)) return NULL; ScrDyn *receiver = scr_dyn_symbol_receiver(target); if (!receiver) { if (!scr_exc_pending()) { @@ -8507,6 +8887,63 @@ ScrDyn *scr_dyn_define_property(ScrDyn *target, ScrDyn *key, ScrDyn *descriptor) scr_dyn_release(defined); return scr_dyn_retain(target); } + if (target->kind == SCR_DYN_BYTES) { + ScrStr *name = scr_dyn_property_key(key); + if (!name) return NULL; + double index; + bool numeric = !target->v.bytes->is_data_view && scr_bytes_numeric_key(name, &index); + if (numeric) { + /* [[DefineOwnProperty]] of an element: a valid index and a data + * descriptor that keeps it writable, enumerable and configurable. */ + /* The descriptor is read first (ToPropertyDescriptor), through its + * getters, and must be an object. */ + ScrDyn *fields[6]; + if (!scr_dyn_descriptor_fields_read(descriptor, fields)) { + scr_str_release(name); + return NULL; + } + const ScrDyn *enumerable = fields[0], *configurable = fields[1], *value = fields[2]; + const ScrDyn *writable = fields[3]; + bool accessor = fields[4] || fields[5]; + bool valid = !signbit(index) && trunc(index) == index && index < (double)target->v.bytes->len; + if (!valid) { + scr_dyn_descriptor_fields_drop(fields); + scr_str_release(name); + static const char message[] = "Invalid typed array index"; + scr_throw_error_msg(SCR_ERR_TYPE, message, sizeof message - 1); + return NULL; + } + if (accessor || (configurable && !scr_dyn_truthy(configurable)) || + (enumerable && !scr_dyn_truthy(enumerable)) || (writable && !scr_dyn_truthy(writable))) { + scr_dyn_descriptor_fields_drop(fields); + ScrJsonBuf message; + scr_jb_init(&message); + scr_jb_puts(&message, "Cannot redefine property: "); + scr_jb_write(&message, name->data, name->len); + scr_str_release(name); + scr_throw_error(SCR_ERR_TYPE, scr_jb_finish(&message)); + return NULL; + } + scr_str_release(name); + double number; + bool stored = true; + if (value) { + stored = scr_dyn_number_coerce_js(value, &number); + /* The conversion can run user code; the index is checked again. */ + if (stored && index < (double)target->v.bytes->len) scr_bytes_set(target->v.bytes, index, number); + } + scr_dyn_descriptor_fields_drop(fields); + return stored ? scr_dyn_retain(target) : NULL; + } + bool fenced = scr_bytes_protocol_name(name) && !scr_bytes_has_named(target, name); + if (fenced) scr_bytes_protocol_fence(name->data, name->len); + scr_str_release(name); + if (fenced) return NULL; + ScrDyn *defined = scr_dyn_define_property(scr_bytes_properties(target), key, descriptor); + if (!defined) return NULL; + scr_dyn_release(defined); + return scr_dyn_retain(target); + } if (target->kind != SCR_DYN_OBJ) { static const char msg[] = "Object.defineProperty called on non-object"; scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); @@ -8514,44 +8951,16 @@ ScrDyn *scr_dyn_define_property(ScrDyn *target, ScrDyn *key, ScrDyn *descriptor) } ScrStr *name = scr_dyn_property_key(key); if (!name) return NULL; - if (descriptor->kind != SCR_DYN_OBJ) { + ScrDyn *fields[6]; + if (!scr_dyn_descriptor_fields_read(descriptor, fields)) { scr_str_release(name); - static const char msg[] = "Property description must be an object"; - scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); return NULL; } - static const char *const names[] = {"enumerable", "configurable", "value", "writable", "get", "set"}; - static const size_t lengths[] = {10, 12, 5, 8, 3, 3}; - ScrDyn *fields[6] = {NULL}; - for (size_t i = 0; i < 6; i++) { - if (!scr_dyn_obj_get(descriptor, names[i], lengths[i])) continue; - fields[i] = scr_dyn_obj_read(descriptor, names[i], lengths[i]); - if (!fields[i]) { - scr_dyn_descriptor_fields_drop(fields); - scr_str_release(name); - return NULL; - } - } ScrDyn *e = fields[0], *c = fields[1], *value = fields[2]; ScrDyn *w = fields[3], *get = fields[4], *set = fields[5]; ScrDynEntry *prior = scr_dyn_entry(target, name); bool accessor_descriptor = get || set; bool data_descriptor = value || w; - if (accessor_descriptor && data_descriptor) { - scr_dyn_descriptor_fields_drop(fields); - scr_str_release(name); - static const char msg[] = "Invalid property descriptor. Cannot both specify accessors and a value or writable attribute"; - scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); - return NULL; - } - if ((get && get->kind != SCR_DYN_UNDEF && get->kind != SCR_DYN_FUNC) || - (set && set->kind != SCR_DYN_UNDEF && set->kind != SCR_DYN_FUNC)) { - scr_dyn_descriptor_fields_drop(fields); - scr_str_release(name); - static const char msg[] = "Getter and setter must be functions"; - scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); - return NULL; - } bool accessor = accessor_descriptor || (!data_descriptor && prior && prior->accessor); bool writable = w ? scr_dyn_truthy(w) : prior && !prior->accessor && !accessor ? prior->writable : false; bool enumerable = e ? scr_dyn_truthy(e) : prior ? prior->enumerable : false; @@ -8661,7 +9070,7 @@ ScrDyn *scr_dyn_get_own_property_descriptor(ScrDyn *target, ScrDyn *key) { scr_throw_error_msg(SCR_ERR_TYPE, msg, sizeof msg - 1); return NULL; } - if (target->kind != SCR_DYN_OBJ && target->kind != SCR_DYN_PROXY && target->kind != SCR_DYN_FUNC && target->kind != SCR_DYN_ARR && target->kind != SCR_DYN_STR && target->kind != SCR_DYN_BOOL && target->kind != SCR_DYN_NUM && target->kind != SCR_DYN_TYPED_REF) { + if (target->kind != SCR_DYN_OBJ && target->kind != SCR_DYN_PROXY && target->kind != SCR_DYN_FUNC && target->kind != SCR_DYN_ARR && target->kind != SCR_DYN_STR && target->kind != SCR_DYN_BOOL && target->kind != SCR_DYN_NUM && target->kind != SCR_DYN_TYPED_REF && target->kind != SCR_DYN_BYTES) { static const char msg[] = "Object.getOwnPropertyDescriptor on this value is not supported yet"; scr_throw_error_msg(SCR_ERR_ERROR, msg, sizeof msg - 1); return NULL; @@ -9020,7 +9429,8 @@ static bool scr_dyn_json_write(ScrJsonBuf *b, const ScrDyn *d) { const ScrBytes *bytes = d->v.bytes; if (d->buffer) scr_jb_puts(b, "{\"type\":\"Buffer\",\"data\":["); else scr_jb_putc(b, '{'); - for (size_t i = 0; i < bytes->len; i++) { + size_t count = bytes->is_data_view ? 0 : bytes->len; + for (size_t i = 0; i < count; i++) { if (i > 0) scr_jb_putc(b, ','); if (!d->buffer) { char idx[32]; @@ -9029,6 +9439,32 @@ static bool scr_dyn_json_write(ScrJsonBuf *b, const ScrDyn *d) { } scr_jb_put_f64(b, scr_bytes_get(bytes, (double)i)); } + /* Named properties follow the elements; a Buffer's toJSON leaves them + * out. */ + ScrDyn *named = d->buffer || !bytes->properties ? NULL : scr_dyn_obj_keys(bytes->properties); + bool first = count == 0; + for (size_t i = 0; named && i < named->v.arr.len; i++) { + const ScrStr *key = named->v.arr.items[i]->v.str; + ScrDyn *value = scr_dyn_obj_read_receiver(bytes->properties, key->data, key->len, d); + if (!value) { scr_dyn_release(named); return false; } + ScrJsonBuf probe; + scr_jb_init(&probe); + bool present = scr_dyn_json_write(&probe, value); + scr_dyn_release(value); + if (!present) { + scr_jb_dispose(&probe); + if (scr_exc_pending()) { scr_dyn_release(named); return false; } + continue; + } + if (!first) scr_jb_putc(b, ','); + first = false; + scr_jb_put_json_str(b, key); + scr_jb_putc(b, ':'); + ScrStr *body = scr_jb_finish(&probe); + scr_jb_write(b, body->data, body->len); + scr_str_release(body); + } + scr_dyn_release(named); scr_jb_puts(b, d->buffer ? "]}" : "}"); return true; } @@ -10803,6 +11239,7 @@ bool scr_dyn_has_key(const ScrDyn *v, const ScrStr *key) { } if (v->kind == SCR_DYN_STR) return scr_dyn_canonical_own_index(key, (size_t)scr_str_utf16_len(v->v.str)); + if (v->kind == SCR_DYN_BYTES) return scr_dyn_bytes_in(v, key); return false; } @@ -10865,7 +11302,13 @@ static void scr_dyn_throw_property(const ScrDyn *object, const char *key, size_t scr_jb_puts(&buffer, deleting ? "Cannot delete property '" : "Cannot assign to read only property '"); scr_jb_write(&buffer, key, key_len); scr_jb_puts(&buffer, deleting ? "' of " : "' of object '"); - if (object->null_proto) scr_jb_puts(&buffer, "[object Object]"); + if (object->kind == SCR_DYN_BYTES) { + /* V8 names a typed array by its tag and a DataView by its class. */ + const char *kind = object->v.bytes->is_data_view ? "DataView" : scr_bytes_elem_name(object->v.bytes->elem); + scr_jb_puts(&buffer, object->v.bytes->is_data_view ? "#<" : "[object "); + scr_jb_puts(&buffer, kind); + scr_jb_puts(&buffer, object->v.bytes->is_data_view ? ">" : "]"); + } else if (object->null_proto) scr_jb_puts(&buffer, "[object Object]"); else { scr_jb_puts(&buffer, "#<"); scr_jb_puts(&buffer, name ? name : "Object"); @@ -11083,19 +11526,36 @@ void scr_dyn_key_set(ScrDyn *recv, ScrStr *key, ScrDyn *value) { } if (recv->kind == SCR_DYN_BYTES) { /* Integer-indexed exotic writes coerce even for an invalid canonical - * numeric index, then ignore an out-of-range index without an error. */ - double index = scr_string_to_number(key); - char spelling[32]; - size_t length = scr_f64_to_str(index, spelling); - bool negative_zero = key->len == 2 && memcmp(key->data, "-0", 2) == 0; - if (negative_zero || (length == key->len && memcmp(spelling, key->data, length) == 0)) { + * numeric index, then ignore an out-of-range index without an error. + * A DataView has no elements: its numeric keys are named properties. */ + double index; + if (!recv->v.bytes->is_data_view && scr_bytes_numeric_key(key, &index)) { double number; if (!scr_dyn_number_coerce_js(value, &number)) return; - if (!negative_zero && index >= 0 && index < (double)recv->v.bytes->len && trunc(index) == index) { + if (!signbit(index) && index < (double)recv->v.bytes->len && trunc(index) == index) { scr_bytes_set(recv->v.bytes, index, number); } return; } + /* Any other key is a named property of the view. */ + if (!scr_bytes_has_named(recv, key)) { + if (scr_bytes_getter_name(recv, key)) { + ScrJsonBuf message; + scr_jb_init(&message); + scr_jb_puts(&message, "Cannot set property "); + scr_jb_write(&message, key->data, key->len); + scr_jb_puts(&message, recv->v.bytes->is_data_view ? " of # which has only a getter" + : " of [object Object] which has only a getter"); + scr_throw_error(SCR_ERR_TYPE, scr_jb_finish(&message)); + return; + } + if (scr_bytes_protocol_name(key)) { + scr_bytes_protocol_fence(key->data, key->len); + return; + } + } + scr_dyn_object_key_set(scr_bytes_properties(recv), key, value, recv); + return; } ScrJsonBuf b; @@ -11250,6 +11710,14 @@ static SCR_TL ScrDynVisitLog scr_dyn_viewed_log; /* The member value a matcher or builder read last and holds one * reference to until it calls scr_dyn_release_held. */ static SCR_TL const ScrDyn *scr_dyn_visit_held; +/* Set while a union's builder builds the arm it matched in full + * (scr_dyn_trust_enter). */ +static SCR_TL bool scr_dyn_trusted; +/* Set once a getter or proxy trap has run during this session, or during + * a trusted build outside any session. Their code can return a value the + * match never saw or change one it saw, so no build in the rest of the + * session, or of the outermost trusted build, trusts an earlier match. */ +static SCR_TL bool scr_dyn_session_ran_code; /* Tables up to this many slots stay allocated for the next session. */ #define SCR_DYN_VISIT_KEEP 4096 @@ -11347,27 +11815,33 @@ static void scr_dyn_visit_clear(ScrDynVisitSet *s, ScrDynVisitLog *log) { static void scr_dyn_visit_exit(void) { if (--scr_dyn_visit_depth != 0) return; + scr_dyn_session_ran_code = false; scr_dyn_visit_clear(&scr_dyn_built, &scr_dyn_built_log); scr_dyn_visit_clear(&scr_dyn_viewed, &scr_dyn_viewed_log); } /* Getters and proxy traps run user code, which may start conversions of - * its own and catch their failures. It runs with the session set aside, - * so its conversions use their own tables and leave the session's - * entries alone. */ + * its own and catch their failures. It runs with the session and any + * trusted build set aside, so its conversions use their own tables and + * leave the session's entries and the trusted build's state alone. */ typedef struct { size_t depth; ScrDynVisitSet matching, built, viewed; ScrDynVisitLog built_log, viewed_log; bool track; const ScrDyn *held; + bool trusted; + bool ran_code; } ScrDynVisitState; static void scr_dyn_visit_suspend(ScrDynVisitState *saved) { - *saved = (ScrDynVisitState){scr_dyn_visit_depth, scr_dyn_matching, scr_dyn_built, - scr_dyn_viewed, scr_dyn_built_log, scr_dyn_viewed_log, - scr_dyn_build_track, scr_dyn_visit_held}; + *saved = (ScrDynVisitState){scr_dyn_visit_depth, scr_dyn_matching, scr_dyn_built, + scr_dyn_viewed, scr_dyn_built_log, scr_dyn_viewed_log, + scr_dyn_build_track, scr_dyn_visit_held, scr_dyn_trusted, + scr_dyn_session_ran_code}; scr_dyn_visit_depth = 0; + scr_dyn_trusted = false; + scr_dyn_session_ran_code = false; scr_dyn_matching = scr_dyn_built = scr_dyn_viewed = (ScrDynVisitSet){NULL, 0, 0}; scr_dyn_built_log = scr_dyn_viewed_log = (ScrDynVisitLog){NULL, 0, 0}; scr_dyn_visit_held = NULL; @@ -11387,11 +11861,15 @@ static void scr_dyn_visit_resume(const ScrDynVisitState *saved) { scr_dyn_viewed_log = saved->viewed_log; scr_dyn_build_track = saved->track; scr_dyn_visit_held = saved->held; + scr_dyn_trusted = saved->trusted; + /* The getter or trap this session was set aside for has run. */ + scr_dyn_session_ran_code = true; } -/* Calls a getter for a member read, outside any visit session. */ +/* Calls a getter for a member read, outside any visit session or trusted + * build. */ static ScrDyn *scr_dyn_visit_call_getter(ScrDyn *getter) { - if (scr_dyn_visit_depth == 0) return scr_dyn_call(getter, NULL, 0, "getter"); + if (scr_dyn_visit_depth == 0 && !scr_dyn_trusted) return scr_dyn_call(getter, NULL, 0, "getter"); ScrDynVisitState saved; scr_dyn_visit_suspend(&saved); ScrDyn *result = scr_dyn_call(getter, NULL, 0, "getter"); @@ -11399,9 +11877,10 @@ static ScrDyn *scr_dyn_visit_call_getter(ScrDyn *getter) { return result; } -/* A proxy's get trap for a member read, outside any visit session. */ +/* A proxy's get trap for a member read, outside any visit session or + * trusted build. */ static ScrDyn *scr_dyn_visit_proxy_get(const ScrDyn *d, ScrStr *name) { - if (scr_dyn_visit_depth == 0) return scr_dyn_proxy_get(d, name); + if (scr_dyn_visit_depth == 0 && !scr_dyn_trusted) return scr_dyn_proxy_get(d, name); ScrDynVisitState saved; scr_dyn_visit_suspend(&saved); ScrDyn *result = scr_dyn_proxy_get(d, name); @@ -11409,6 +11888,21 @@ static ScrDyn *scr_dyn_visit_proxy_get(const ScrDyn *d, ScrStr *name) { return result; } +bool scr_dyn_trust_enter(void) { + bool previous = scr_dyn_trusted; + scr_dyn_trusted = true; + return previous; +} + +void scr_dyn_trust_exit(bool previous) { + scr_dyn_trusted = previous; + /* The outermost trusted build outside a session ends: later conversions + * may trust their own matches again. A session clears it on its exit. */ + if (!previous && scr_dyn_visit_depth == 0) scr_dyn_session_ran_code = false; +} + +bool scr_dyn_trusted_build(void) { return scr_dyn_trusted && !scr_dyn_session_ran_code; } + ScrDyn *scr_dyn_obj_read_held(const ScrDyn *d, const char *key, size_t key_len) { ScrDyn *value = scr_dyn_obj_read(d, key, key_len); scr_dyn_visit_held = value; @@ -12993,6 +13487,11 @@ static ScrDyn *scr_json_member(const ScrDyn *holder, const ScrStr *key) { scr_dyn_release(view); return member; } + /* A view's named properties, getters included, read through the view. */ + if (holder->kind == SCR_DYN_BYTES && (holder->v.bytes->is_data_view || scr_bytes_has_named(holder, key))) { + ScrDyn *named = scr_bytes_named_get(holder, key->data, key->len); + return named || scr_exc_pending() ? named : scr_dyn_retain(scr_dyn_undefined()); + } if (holder->kind == SCR_DYN_ARR || holder->kind == SCR_DYN_BYTES) { size_t index = 0; for (size_t i = 0; i < key->len; i++) index = index * 10 + (size_t)(key->data[i] - '0'); @@ -13144,6 +13643,23 @@ void scr_dyn_key_delete(ScrDyn *recv, const ScrStr *key, bool strict) { scr_dyn_key_delete(recv->v.arr.properties, key, strict); return; } + if (recv->kind == SCR_DYN_BYTES) { + /* A typed array's elements cannot be deleted; other numeric keys name + * no property. Named properties follow their configurability. */ + double index; + if (!recv->v.bytes->is_data_view && scr_bytes_numeric_key(key, &index)) { + if (strict && !signbit(index) && trunc(index) == index && index < (double)recv->v.bytes->len) + scr_dyn_throw_property(recv, key->data, key->len, true); + return; + } + ScrDynEntry *entry = recv->v.bytes->properties ? scr_dyn_entry(recv->v.bytes->properties, key) : NULL; + if (entry && !entry->configurable) { + if (strict) scr_dyn_throw_property(recv, key->data, key->len, true); + return; + } + if (entry) scr_json_delete_member(recv->v.bytes->properties, key); + return; + } if (recv->kind == SCR_DYN_UNDEF || recv->kind == SCR_DYN_NULL) { const char *message = "Cannot convert undefined or null to object"; scr_throw_error_msg(SCR_ERR_TYPE, message, strlen(message)); @@ -14827,7 +15343,7 @@ ScrDyn *scr_dyn_get_own_property_names(const ScrDyn *value) { if (value->kind == SCR_DYN_ARR || value->kind == SCR_DYN_STR || value->kind == SCR_DYN_BYTES) { ScrDyn *keys = scr_dyn_new_arr(); size_t length = value->kind == SCR_DYN_ARR ? value->v.arr.len : - value->kind == SCR_DYN_BYTES ? value->v.bytes->len : + value->kind == SCR_DYN_BYTES ? (value->v.bytes->is_data_view ? 0 : value->v.bytes->len) : (size_t)scr_str_utf16_len(value->v.str); for (size_t i = 0; i < length; i++) { if (value->kind == SCR_DYN_ARR && !scr_dyn_arr_has_index(value, i)) continue; @@ -14839,8 +15355,10 @@ ScrDyn *scr_dyn_get_own_property_names(const ScrDyn *value) { scr_dyn_arr_push(keys, scr_dyn_objwalk_key("length", 6)); bool array_prototype = value == scr_builtin_array_prototype; if (array_prototype) scr_dyn_arr_push(keys, scr_dyn_objwalk_key("constructor", 11)); - if (value->kind == SCR_DYN_ARR && value->v.arr.properties) { - ScrDyn *properties = scr_dyn_obj_own_keys(value->v.arr.properties); + ScrDyn *named = value->kind == SCR_DYN_ARR ? value->v.arr.properties + : value->kind == SCR_DYN_BYTES ? value->v.bytes->properties : NULL; + if (named) { + ScrDyn *properties = scr_dyn_obj_own_keys(named); for (size_t i = 0; i < properties->v.arr.len; i++) { ScrDyn *name = properties->v.arr.items[i]; /* A constructor stored on Array.prototype keeps the position above. */ @@ -15111,7 +15629,7 @@ static ScrDyn *scr_dyn_objwalk(const ScrDyn *v, ScrObjWalk mode) { return out; } if (v->kind == SCR_DYN_ARR || v->kind == SCR_DYN_BYTES) { - size_t n = v->kind == SCR_DYN_ARR ? v->v.arr.len : v->v.bytes->len; + size_t n = v->kind == SCR_DYN_ARR ? v->v.arr.len : v->v.bytes->is_data_view ? 0 : v->v.bytes->len; for (size_t i = 0; i < n; i++) { if (v->kind == SCR_DYN_ARR && !scr_dyn_arr_has_index(v, i)) continue; char key[24]; @@ -15132,10 +15650,11 @@ static ScrDyn *scr_dyn_objwalk(const ScrDyn *v, ScrObjWalk mode) { scr_dyn_arr_push(out, pair); } } - if (v->kind == SCR_DYN_ARR && v->v.arr.properties) { - ScrDyn *names = scr_dyn_obj_own_keys(v->v.arr.properties); + ScrDyn *named = v->kind == SCR_DYN_ARR ? v->v.arr.properties : v->v.bytes->properties; + if (named) { + ScrDyn *names = scr_dyn_obj_own_keys(named); for (size_t i = 0; i < names->v.arr.len; i++) { - if (!scr_dyn_objwalk_entry(out, v->v.arr.properties, mode, names->v.arr.items[i]->v.str, v)) { + if (!scr_dyn_objwalk_entry(out, named, mode, names->v.arr.items[i]->v.str, v)) { scr_dyn_release(names); scr_dyn_release(out); return NULL; @@ -15239,6 +15758,7 @@ ScrDyn *scr_dyn_for_in_keys(const ScrDyn *v) { return keys; } case SCR_DYN_ARR: + case SCR_DYN_BYTES: return scr_dyn_obj_keys(v); case SCR_DYN_STR: { ScrDyn *keys = scr_dyn_new_arr(); @@ -15492,7 +16012,7 @@ static void scr_dyn_assign_strings_from(ScrDyn *target, const ScrDyn *src, bool scr_dyn_proxy_unsupported("Object.assign"); return; } - if (target->kind != SCR_DYN_OBJ && target->kind != SCR_DYN_FUNC) return; + if (target->kind != SCR_DYN_OBJ && target->kind != SCR_DYN_FUNC && target->kind != SCR_DYN_BYTES) return; if (src->kind == SCR_DYN_TYPED_REF) { ScrDyn *materialized = scr_dyn_typed_ref_materialize(src); if (materialized) scr_dyn_assign_strings_from(target, materialized, define); @@ -15555,13 +16075,15 @@ static void scr_dyn_assign_from(ScrDyn *target, const ScrDyn *src, bool define) return; } ScrDyn *view = src->kind == SCR_DYN_FUNC ? scr_dyn_fn_properties(src) : scr_dyn_retain((ScrDyn *)src); + /* A view's symbol properties live on its named-property table. */ + const ScrDyn *holder = src->kind == SCR_DYN_BYTES ? src->v.bytes->properties : view; ScrDyn *symbols = scr_dyn_new_arr(); - if (view->symbol_keys) for (size_t i = 0; i < view->symbol_keys->v.arr.len; i++) - scr_dyn_arr_push(symbols, scr_dyn_retain(view->symbol_keys->v.arr.items[i])); + if (holder && holder->symbol_keys) for (size_t i = 0; i < holder->symbol_keys->v.arr.len; i++) + scr_dyn_arr_push(symbols, scr_dyn_retain(holder->symbol_keys->v.arr.items[i])); scr_dyn_assign_strings_from(target, view, define); for (size_t i = 0; i < symbols->v.arr.len && !scr_exc_pending(); i++) { ScrDyn *key = symbols->v.arr.items[i]; - ScrDynEntry *entry = scr_dyn_symbol_entry(view, key, true); + ScrDynEntry *entry = scr_dyn_symbol_entry(holder, key, true); if (!entry || !entry->enumerable) continue; ScrDyn *value = scr_dyn_symbol_key_get(src, key, false); if (!value) break; @@ -15952,7 +16474,7 @@ bool scr_dyn_has_own(const ScrDyn *v, const ScrStr *key) { return scr_dyn_canonical_own_index(key, (size_t)scr_str_utf16_len(v->v.str)); } if (v->kind == SCR_DYN_BYTES) { - return scr_dyn_canonical_own_index(key, v->v.bytes->len); + return (!v->v.bytes->is_data_view && scr_dyn_canonical_own_index(key, v->v.bytes->len)) || scr_bytes_has_named(v, key); } if (v->kind == SCR_DYN_FUNC) { ScrDyn *desc = scr_dyn_own_descriptor(v, key); @@ -15989,7 +16511,8 @@ bool scr_dyn_property_is_enumerable(const ScrDyn *value, const ScrStr *key) { return (scr_dyn_canonical_own_index(key, value->v.arr.len) && scr_dyn_has_own(value, key)) || (value->v.arr.properties && scr_dyn_obj_enumerable(value->v.arr.properties, key->data, key->len)); if (value->kind == SCR_DYN_BYTES) - return scr_dyn_canonical_own_index(key, value->v.bytes->len); + return (!value->v.bytes->is_data_view && scr_dyn_canonical_own_index(key, value->v.bytes->len)) || + (value->v.bytes->properties && scr_dyn_obj_enumerable(value->v.bytes->properties, key->data, key->len)); return false; } ScrDyn *scr_dyn_obj_values(const ScrDyn *v) { return scr_dyn_objwalk(v, SCR_OBJWALK_VALUES); } @@ -17837,6 +18360,11 @@ ScrDyn *scr_dyn_freeze_data(ScrDyn *value) { ScrDyn *native = scr_dyn_freeze_native(value); if (native) return native; if (scr_dyn_class_integrity_fence(value, "Object.freeze")) return NULL; + if (value->kind == SCR_DYN_BYTES) { + scr_dyn_release(scr_dyn_freeze_data(scr_bytes_properties(value))); + if (scr_bytes_integrity_fence(value, "freeze")) return NULL; + return scr_dyn_retain(value); + } if (value->symbol_properties) scr_dyn_release(scr_dyn_freeze_data(value->symbol_properties)); if (value->kind == SCR_DYN_ARR) { value->non_extensible = true; @@ -17878,6 +18406,9 @@ bool scr_dyn_is_frozen(const ScrDyn *value) { if (value->kind == SCR_DYN_ARR) return scr_dyn_is_sealed(value) && (value->v.arr.len == 0 || value->v.arr.frozen) && (!value->v.arr.properties || scr_dyn_is_frozen(value->v.arr.properties)); + if (value->kind == SCR_DYN_BYTES) + return (value->v.bytes->is_data_view || value->v.bytes->len == 0) && value->v.bytes->properties && + scr_dyn_is_frozen(value->v.bytes->properties); if (value->kind == SCR_DYN_OBJ && !value->copied_from_native) { if (!value->non_extensible) return false; for (size_t i = 0; i < value->v.obj.len; i++) { diff --git a/packages/runtime/src/scr_map.c b/packages/runtime/src/scr_map.c index 1cb77b0f6..ccfd4b907 100644 --- a/packages/runtime/src/scr_map.c +++ b/packages/runtime/src/scr_map.c @@ -1205,9 +1205,11 @@ static __attribute__((noinline)) void scr_map_set_num(ScrMap *m, uint64_t hash, } /* A number-key map with at least this many entries moves to the direct - * index when its keys allow it, so small integer keys are indexed before - * the linear scan ends. */ -#define SCR_MAP_DENSE_AFTER 4 + * index when its keys allow it: from its second key, so a map of a few + * small integer keys (a histogram over 0..3) reads through the inline + * direct index rather than the out-of-line linear scan. A map with one + * key keeps its linear storage. */ +#define SCR_MAP_DENSE_AFTER 1 /* Whether appending one more entry would grow the lookup index rather than * reuse tombstones: scr_map_reserve_append compacts a linear map with a diff --git a/packages/runtime/src/scr_map.test.c b/packages/runtime/src/scr_map.test.c index 9916c7406..e04e0dac9 100644 --- a/packages/runtime/src/scr_map.test.c +++ b/packages/runtime/src/scr_map.test.c @@ -184,9 +184,11 @@ static void iterate_while_mutating(void) { static void modes(void) { ScrMap *map = scr_map_new(SCR_MAP_KEY_F64, SCR_MAP_VAL_F64, NULL); - for (int i = 1; i <= 4; i++) scr_map_set_f64_f64(map, i, i); - assert(!map->ndense && !map->nbuckets); /* still a linear scan */ - scr_map_set_f64_f64(map, 5, 5); + scr_map_set_f64_f64(map, 1, 1); + assert(!map->ndense && !map->nbuckets); /* one key: still a linear scan */ + scr_map_set_f64_f64(map, 2, 2); + assert(map->ndense >= 16 && !map->nbuckets); /* from the second small integer key */ + for (int i = 3; i <= 5; i++) scr_map_set_f64_f64(map, i, i); assert(map->ndense >= 16 && !map->nbuckets); for (int i = 6; i < 1000; i++) scr_map_set_f64_f64(map, i, i); assert(map->ndense >= 1000 && map->ndense <= 1000 + 1000 / 4 + 64); /* near the largest key */ diff --git a/packages/runtime/src/scr_string.c b/packages/runtime/src/scr_string.c index d2d397e25..dfd0d23f8 100644 --- a/packages/runtime/src/scr_string.c +++ b/packages/runtime/src/scr_string.c @@ -2006,6 +2006,19 @@ double scr_str_utf16_len(ScrStr *s) { return (double)(int64_t)units; } +/* Records the UTF-16 length of a string whose producer counted it (latin1 + * text has one unit per byte), so scr_str_utf16_len does not walk it. Only + * strings that scr_str_utf16_len would otherwise record are kept. */ +void scr_str_note_utf16_len(ScrStr *s, size_t units) { + if (s->ascii || s->len <= 64 || s->rc == SIZE_MAX) return; + if (!scr_u16len_tab) { + scr_u16len_tab = calloc(SCR_U16LEN_N, sizeof *scr_u16len_tab); + if (!scr_u16len_tab) return; + scr_sidx_register_cleanup(); + } + *scr_u16len_slot(s) = (ScrU16Len){s, units}; +} + double scr_str_char_code_at(ScrStr *s, double i) { /* A sequential scan of a non-ASCII receiver stays inside the bounded * ASCII span cached at its last resolved position. Its unit offset is an diff --git a/packages/runtime/src/scr_string.h b/packages/runtime/src/scr_string.h index fc2f15562..e269498b1 100644 --- a/packages/runtime/src/scr_string.h +++ b/packages/runtime/src/scr_string.h @@ -83,6 +83,9 @@ static inline void scr_str_hash_forget(ScrStr *s) { /* True only when every byte is proven below 0x80 (see above). */ static inline bool scr_str_known_ascii(const ScrStr *s) { return s->ascii; } +/* Record the UTF-16 length a string's producer counted (scr_string.c). */ +void scr_str_note_utf16_len(ScrStr *s, size_t units); + /* Record a proven-ASCII fact. Immortal strings may live in read-only * memory and are shared across threads, so they are never written. */ static inline void scr_str_note_ascii(ScrStr *s) { diff --git a/packages/runtime/src/scr_symbol.c b/packages/runtime/src/scr_symbol.c index 5d0e65ef6..7e573fc28 100644 --- a/packages/runtime/src/scr_symbol.c +++ b/packages/runtime/src/scr_symbol.c @@ -85,6 +85,11 @@ ScrSym *scr_sym_well_known(ScrStr *name) { scr_str_release(description); symbol->reg_next = g_sym_well_known; g_sym_well_known = scr_sym_retain(symbol); + { + ScrDyn *key = scr_dyn_new_symbol(symbol); + scr_dyn_install_well_known_symbol(key); + scr_dyn_release(key); + } if (name->len == 8 && !memcmp(name->data, "iterator", 8)) { ScrDyn *key = scr_dyn_new_symbol(symbol); scr_dyn_install_iterator_symbol(key); @@ -95,6 +100,11 @@ ScrSym *scr_sym_well_known(ScrStr *name) { scr_dyn_install_has_instance_symbol(key); scr_dyn_release(key); } + if (name->len == 7 && !memcmp(name->data, "species", 7)) { + ScrDyn *key = scr_dyn_new_symbol(symbol); + scr_dyn_install_species_symbol(key); + scr_dyn_release(key); + } if (name->len == 11 && !memcmp(name->data, "toStringTag", 11)) { ScrDyn *key = scr_dyn_new_symbol(symbol); scr_dyn_install_to_string_tag_symbol(key); diff --git a/packages/runtime/test/test_map.c b/packages/runtime/test/test_map.c index 46805da1e..e23618f77 100644 --- a/packages/runtime/test/test_map.c +++ b/packages/runtime/test/test_map.c @@ -422,12 +422,14 @@ static void test_live_iteration_indices(void) { /* A small (linear) map that must grow its lookup index while an iteration * is active may not compact: entry indices, tombstones and the append * position stay put. Integer keys in a compact range move to the direct - * index (dense) from the fifth entry, any other number keys to the bucket + * index (dense) from the second entry, any other number keys to the bucket * table from the ninth; both transitions are covered by running the same - * script with `offset` 0 and 0.5. */ + * script with `offset` 0 and 0.5. The walk deletes `victim`, an existing + * key, then appends the key that makes the index grow. */ static void run_small_storage_transitions(double offset) { bool dense = offset == 0; - int n = dense ? 4 : 8; /* entries a linear map holds before its index grows */ + int n = dense ? 1 : 8; /* entries a linear map holds before its index grows */ + int victim = dense ? 0 : 1; ScrMap *m = scr_map_new(SCR_MAP_KEY_F64, SCR_MAP_VAL_F64, NULL); for (int i = 0; i < n; i++) scr_map_set_f64_f64(m, i + offset, i + 10); check(m->nbuckets == 0 && m->buckets == NULL && m->ndense == 0, @@ -441,22 +443,23 @@ static void run_small_storage_transitions(double offset) { ScrMap *copy = scr_map_clone(m, false, NULL); check(copy->nbuckets == 0 && copy->ndense == 0, "small clone preserves compact storage"); scr_map_iter_enter(m); - scr_map_delete_f64(m, 1 + offset); + scr_map_delete_f64(m, victim + offset); scr_map_set_f64_f64(m, n + offset, 14); check(dense ? m->ndense > 0 && m->nbuckets == 0 : m->nbuckets > 0 && m->ndense == 0, "live iteration promotes without moving entry indices"); - check(m->nentries == (uint32_t)n + 1 && !scr_map_iter_live(m, 1) && + check(m->nentries == (uint32_t)n + 1 && !scr_map_iter_live(m, victim) && scr_map_iter_key_f64(m, n) == n + offset, "promotion preserves tombstones and append position"); for (int i = n + 1; i < 64; i++) scr_map_set_f64_f64(m, i + offset, i + 10); - check(m->nentries == 64 && !scr_map_iter_live(m, 1) && scr_map_iter_key_f64(m, 63) == 63 + offset, + check(m->nentries == 64 && !scr_map_iter_live(m, victim) && scr_map_iter_key_f64(m, 63) == 63 + offset, "growth during iteration keeps entry indices"); double out = 0; - check(scr_map_get_f64_f64(m, offset, &out) && out == 10, - "original key survives promotion and growth"); - check(!scr_map_has_f64(m, 1 + offset), "deleted small key stays absent after rehash"); + check(dense ? scr_map_get_f64_f64(m, n + offset, &out) && out == 14 + : scr_map_get_f64_f64(m, offset, &out) && out == 10, + "keys written before the promotion survive it and the growth"); + check(!scr_map_has_f64(m, victim + offset), "deleted small key stays absent after rehash"); scr_map_iter_exit(m); - check(scr_map_has_f64(copy, 1 + offset) && !scr_map_has_f64(copy, n + offset), + check(scr_map_has_f64(copy, victim + offset) && !scr_map_has_f64(copy, n + offset), "small clone remains independent"); scr_map_clear(copy); scr_map_iter_enter(copy); diff --git a/tests/corpus/6310-small-number-map-direct-index.ts b/tests/corpus/6310-small-number-map-direct-index.ts new file mode 100644 index 000000000..5614a56a1 --- /dev/null +++ b/tests/corpus/6310-small-number-map-direct-index.ts @@ -0,0 +1,77 @@ +// Number-keyed Maps and Sets with two to four small integer keys use the +// direct index. Results must match Node through overwrites, deletes and +// re-adds, a fractional, negative or large key that moves the map to +// hashing, clear, and mutation during a for-of or forEach walk. + +const hist = new Map(); +const codes = [0, 3, 1, 3, 2, 0, 3, 3, 1]; +for (const c of codes) hist.set(c, (hist.get(c) ?? 0) + 1); +console.log([...hist].map(([k, v]) => `${k}:${v}`).join(" "), hist.size, hist.has(4), hist.get(-0)); + +// Delete and re-add: the re-added key moves to the end. +hist.delete(3); +hist.set(3, 9); +hist.delete(0); +console.log([...hist.keys()].join(","), hist.get(3), hist.has(0)); + +// A key the direct index cannot hold moves the map to hashing. +for (const odd of [0.5, -1, 2 ** 40]) { + const m = new Map([ + [1, "a"], + [2, "b"], + ]); + m.set(odd, "c"); + m.set(1, "A"); + console.log([...m].map(([k, v]) => `${k}=${v}`).join(" "), m.get(2), m.get(odd), m.size); +} + +// Two keys, then clear, then reuse. +const pair = new Map(); +pair.set(5, 50); +pair.set(7, 70); +pair.clear(); +pair.set(7, 1); +pair.set(1, 2); +console.log([...pair].map(([k, v]) => `${k}=${v}`).join(" "), pair.size); + +// A walk that deletes ahead and adds keys. +const walk = new Map([ + [0, 0], + [1, 10], + [2, 20], +]); +const seen: number[] = []; +for (const [k, v] of walk) { + seen.push(v); + if (k === 0) { + walk.delete(2); + walk.set(3, 30); + } + if (k === 3) walk.set(0, -1); +} +console.log(seen.join(","), [...walk].map(([k, v]) => `${k}=${v}`).join(" ")); + +// Sets of small integers, forEach with deletion and addition. +const set = new Set([2, 0]); +set.add(1); +set.add(2); +const order: number[] = []; +set.forEach((v) => { + order.push(v); + if (v === 2) { + set.delete(1); + set.add(3); + } +}); +console.log(order.join(","), [...set].join(","), set.has(1), set.size); + +// Many small maps, each with a few keys. +let total = 0; +for (let i = 0; i < 1000; i++) { + const m = new Map(); + m.set(i % 3, i); + m.set((i + 1) % 3, 1); + if (i % 5 === 0) m.delete(i % 3); + total += (m.get(i % 3) ?? 100) + (m.get((i + 1) % 3) ?? 0) + m.size; +} +console.log(total); diff --git a/tests/corpus/7160-json-parse-deep-unions.ts b/tests/corpus/7160-json-parse-deep-unions.ts new file mode 100644 index 000000000..bcbf5ea9d --- /dev/null +++ b/tests/corpus/7160-json-parse-deep-unions.ts @@ -0,0 +1,164 @@ +// JSON.parse into recursive discriminated unions: deep and wide trees, +// unions with primitive arms beside the records, unions whose records share +// a literal, and unions with a record arm that has no literal. + +type Expr = + | { kind: "num"; value: number } + | { kind: "str"; text: string } + | { kind: "add"; left: Expr; right: Expr } + | { kind: "neg"; operand: Expr } + | { kind: "call"; callee: string; args: Expr[] } + | { kind: "cond"; test: Expr; then: Expr; otherwise: Expr | null } + | { kind: "label"; inner: Expr; name?: string }; + +type Stmt = + | { kind: "expr"; expr: Expr } + | { kind: "ret"; value: Expr | undefined } + | { kind: "block"; body: Stmt[] }; + +interface Fn { + name: string; + body: Stmt[]; +} + +function evaluate(e: Expr): number { + switch (e.kind) { + case "num": + return e.value; + case "str": + return e.text.length; + case "add": + return evaluate(e.left) + evaluate(e.right); + case "neg": + return -evaluate(e.operand); + case "call": + return e.args.reduce((sum, arg) => sum + evaluate(arg), e.callee.length); + case "cond": + return evaluate(e.test) !== 0 + ? evaluate(e.then) + : e.otherwise === null + ? 0 + : evaluate(e.otherwise); + case "label": + return evaluate(e.inner) + (e.name?.length ?? 0); + } +} + +function depth(e: Expr): number { + switch (e.kind) { + case "num": + case "str": + return 1; + case "add": + return 1 + Math.max(depth(e.left), depth(e.right)); + case "neg": + return 1 + depth(e.operand); + case "call": + return 1 + e.args.reduce((max, arg) => Math.max(max, depth(arg)), 0); + case "cond": + return 1 + Math.max(depth(e.test), depth(e.then), e.otherwise ? depth(e.otherwise) : 0); + case "label": + return 1 + depth(e.inner); + } +} + +function chain(n: number): string { + let text = '{"kind":"num","value":1}'; + for (let i = 0; i < n; i++) { + text = + i % 3 === 0 + ? `{"kind":"neg","operand":${text}}` + : i % 3 === 1 + ? `{"kind":"add","left":${text},"right":{"kind":"str","text":"ab"}}` + : `{"kind":"label","inner":${text}${i % 2 === 0 ? ',"name":"x"' : ""}}`; + } + return text; +} + +function wide(n: number, level: number): string { + if (level === 0) return `{"kind":"num","value":${n}}`; + const args: string[] = []; + for (let i = 0; i < 3; i++) args.push(wide(n + i, level - 1)); + return `{"kind":"call","callee":"f${level}","args":[${args.join(",")}]}`; +} + +for (const n of [0, 1, 5, 60, 400]) { + const e = JSON.parse(chain(n)) as Expr; + console.log("chain", n, e.kind, depth(e), evaluate(e)); +} + +const tree = JSON.parse(wide(1, 6)) as Expr; +console.log("wide", depth(tree), evaluate(tree)); + +const cond = JSON.parse( + '{"kind":"cond","test":{"kind":"num","value":0},"then":{"kind":"num","value":5},"otherwise":null}', +) as Expr; +console.log("cond", evaluate(cond)); + +const fn = JSON.parse( + JSON.stringify({ + name: "main", + body: [ + { kind: "expr", expr: JSON.parse(chain(30)) }, + { kind: "block", body: [{ kind: "ret", value: JSON.parse(wide(2, 3)) }, { kind: "ret" }] }, + ], + }), +) as Fn; +let statements = 0; +const visit = (stmts: Stmt[]): void => { + for (const s of stmts) { + statements++; + if (s.kind === "block") visit(s.body); + else if (s.kind === "expr") console.log("stmt expr", evaluate(s.expr)); + else console.log("stmt ret", s.value === undefined ? "none" : evaluate(s.value)); + } +}; +visit(fn.body); +console.log("statements", statements); + +// Primitive arms beside the records. +type Value = number | string | null | { kind: "list"; items: Value[] } | { kind: "pair"; first: Value; second: Value }; +function show(v: Value): string { + if (v === null || typeof v === "number" || typeof v === "string") return JSON.stringify(v); + return v.kind === "list" ? `[${v.items.map(show).join(" ")}]` : `(${show(v.first)} . ${show(v.second)})`; +} +const values = JSON.parse( + '[1,"a",null,{"kind":"list","items":[2,{"kind":"pair","first":"b","second":{"kind":"list","items":[null,3]}}]}]', +) as Value[]; +console.log("values", values.map(show).join(" | ")); + +// Two records that share a literal: the arm follows the other fields. +type Shared = { kind: "a"; count: number } | { kind: "a"; name: string } | { kind: "b"; next: Shared[] }; +function describe(s: Shared): string { + if (s.kind === "b") return `b(${s.next.map(describe).join(",")})`; + return "count" in s ? `count=${s.count}` : `name=${s.name}`; +} +const shared = JSON.parse( + '{"kind":"b","next":[{"kind":"a","count":1},{"kind":"a","name":"n"},{"kind":"b","next":[{"kind":"a","name":"m"}]}]}', +) as Shared; +console.log("shared", describe(shared)); + +// A record arm without a literal beside records that have one. +type Loose = { kind: "leaf"; value: number } | { kind: "node"; children: Loose[] } | { weight: number; child: Loose }; +function total(l: Loose): number { + if ("weight" in l) return l.weight * total(l.child); + return l.kind === "leaf" ? l.value : l.children.reduce((sum, c) => sum + total(c), 0); +} +const loose = JSON.parse( + '{"kind":"node","children":[{"kind":"leaf","value":2},{"weight":3,"child":{"kind":"node","children":[{"kind":"leaf","value":4},{"weight":2,"child":{"kind":"leaf","value":5}}]}}]}', +) as Loose; +console.log("loose", total(loose)); + +// Optional and nullable members holding records and arrays of records. +type Box = { value: number; child?: Box; rest: Box[] | null }; +function weigh(b: Box): number { + let total = b.value; + if (b.child !== undefined) total += 2 * weigh(b.child); + for (const r of b.rest ?? []) total += weigh(r); + return total; +} +let boxText = '{"value":1,"rest":null}'; +for (let i = 2; i < 120; i++) + boxText = i % 2 === 0 ? `{"value":${i},"child":${boxText},"rest":null}` : `{"value":${i},"rest":[${boxText},{"value":1,"rest":[]}]}`; +const boxes = JSON.parse(boxText) as Box; +console.log("boxes", weigh(boxes) % 1000003); diff --git a/tests/corpus/7161-dynamic-values-deep-unions.ts b/tests/corpus/7161-dynamic-values-deep-unions.ts new file mode 100644 index 000000000..3e85b2689 --- /dev/null +++ b/tests/corpus/7161-dynamic-values-deep-unions.ts @@ -0,0 +1,73 @@ +// Dynamic values cast into recursive discriminated unions: trees built as +// untyped objects, trees that mix typed records into untyped ones, and casts +// of the same values twice. + +type Node = + | { kind: "leaf"; value: number } + | { kind: "pair"; left: Node; right: Node } + | { kind: "wrap"; inner: Node; tag: string } + | { kind: "many"; items: Node[] }; + +function sum(n: Node): number { + switch (n.kind) { + case "leaf": + return n.value; + case "pair": + return sum(n.left) + sum(n.right); + case "wrap": + return sum(n.inner) + n.tag.length; + case "many": + return n.items.reduce((total, item) => total + sum(item), 0); + } +} + +function height(n: Node): number { + switch (n.kind) { + case "leaf": + return 1; + case "pair": + return 1 + Math.max(height(n.left), height(n.right)); + case "wrap": + return 1 + height(n.inner); + case "many": + return 1 + n.items.reduce((max, item) => Math.max(max, height(item)), 0); + } +} + +function untyped(levels: number): any { + let node: any = { kind: "leaf", value: 1 }; + for (let i = 0; i < levels; i++) { + node = + i % 3 === 0 + ? { kind: "wrap", inner: node, tag: "t" } + : i % 3 === 1 + ? { kind: "pair", left: node, right: { kind: "leaf", value: i } } + : { kind: "many", items: [node, { kind: "leaf", value: 2 }] }; + } + return node; +} + +for (const levels of [0, 2, 10, 90, 300]) { + const value: unknown = untyped(levels); + const node = value as Node; + console.log("untyped", levels, node.kind, height(node), sum(node)); +} + +// Typed records inside an untyped tree. +const typedLeaf: Node = { kind: "leaf", value: 7 }; +const typedPair: Node = { kind: "pair", left: typedLeaf, right: { kind: "leaf", value: 3 } }; +const mixed: any = { kind: "many", items: [typedPair, untyped(20), { kind: "wrap", inner: typedLeaf, tag: "xy" }] }; +const fromMixed = mixed as Node; +console.log("mixed", height(fromMixed), sum(fromMixed)); + +// The same untyped value cast twice gives equal trees. +const again: any = untyped(40); +const first = again as Node; +const second = again as Node; +console.log("twice", sum(first) === sum(second), height(first), height(second)); + +// A tree that changes between casts. +const changing: any = { kind: "pair", left: { kind: "leaf", value: 1 }, right: untyped(5) }; +console.log("before", sum(changing as Node)); +changing.left = { kind: "wrap", inner: { kind: "leaf", value: 10 }, tag: "abc" }; +console.log("after", sum(changing as Node)); diff --git a/tests/corpus/7752-typed-array-dynamic-methods.js b/tests/corpus/7752-typed-array-dynamic-methods.js index a728e3ce9..d4f077b49 100644 --- a/tests/corpus/7752-typed-array-dynamic-methods.js +++ b/tests/corpus/7752-typed-array-dynamic-methods.js @@ -123,3 +123,15 @@ function plainIterator(TA) { console.log(new TA(source), TA.from(source, (v) => v * 2), gets, nexts); } plainIterator(Int16Array); +// ToIndex of a Symbol or BigInt length, toLocaleString, and Symbol descriptions +// that are not strings. +function small(TA) { + for (const bad of [Symbol("s"), 1n]) { + try { new TA(bad); console.log("no throw"); } catch (e) { console.log(e.constructor.name); } + } + console.log(new TA([1, 1234.5, -0, 0]).toLocaleString(), new TA(0).toLocaleString(), typeof new TA(1).toLocaleString); +} +small(Float64Array); +small(Uint16Array); +const s = Symbol(1), t = Symbol(true), u = Symbol(2.5); +console.log(s.description, t.description, u.toString(), typeof s.description); diff --git a/tests/corpus/7753-typed-array-named-properties.js b/tests/corpus/7753-typed-array-named-properties.js new file mode 100644 index 000000000..e37181a5e --- /dev/null +++ b/tests/corpus/7753-typed-array-named-properties.js @@ -0,0 +1,183 @@ +// Named properties on typed arrays, Buffers and DataViews (assignment, +// Object.defineProperty, reflection, deletion, integrity levels, JSON and +// inspection), and the Symbol.species constructor of map, filter, slice and +// subarray. +function box(value) { + const holder = {}; + holder.value = value; + return holder.value; +} + +function expandos(TA) { + const a = new TA([1, 2]); + a.foo = 1; + a.bar = "x"; + a[5] = 9; + a["1.5"] = 7; + console.log(a, a.foo, "foo" in a, a.hasOwnProperty("bar"), Object.keys(a), Object.entries(a).length); + console.log(Object.getOwnPropertyNames(a), JSON.stringify(Object.getOwnPropertyDescriptor(a, "foo")), JSON.stringify(Object.getOwnPropertyDescriptor(a, "0"))); + Object.defineProperty(a, "hidden", { value: 3, enumerable: false }); + Object.defineProperty(a, "0", { value: 8 }); + console.log(a, a.hidden, Object.keys(a)); + try { Object.defineProperty(a, "1", { value: 1, configurable: false }); } catch (e) { console.log(e.constructor.name, e.message); } + try { Object.defineProperty(a, "7", { value: 1 }); } catch (e) { console.log(e.constructor.name, e.message); } + try { Object.defineProperty(a, "-0", { value: 1 }); } catch (e) { console.log(e.constructor.name, e.message); } + try { Object.defineProperty(a, "0", { get() { return 1; } }); } catch (e) { console.log(e.constructor.name, e.message); } + // An element's descriptor is read through its getters, and must be an object. + const got = []; + Object.defineProperty(a, "1", { get value() { got.push("value"); return 6; }, get enumerable() { got.push("enumerable"); return true; } }); + console.log(a[1], got); + // Each field is read once, through its getter; the stored value is the + // getter's result, and a getter-produced `writable: false` is refused. + let valueReads = 0; + Object.defineProperty(a, "1", { get value() { valueReads++; return 40 + valueReads; } }); + console.log(a[1], valueReads); + const order = []; + try { + Object.defineProperty(a, "1", { + get writable() { order.push("writable"); return false; }, + get value() { order.push("value"); return 2; }, + get configurable() { order.push("configurable"); return true; }, + }); + } catch (e) { console.log(e.constructor.name, e.message); } + console.log(a[1], order); + for (const bad of [null, true, 1n, Symbol("d")]) { + try { Object.defineProperty(a, "1", bad); } catch (e) { console.log(e.constructor.name); } + } + for (const bad of [5, "x", undefined]) { + try { Object.defineProperty(a, "0", bad); } catch (e) { console.log(e.constructor.name); } + } + try { Object.defineProperty(a, "9", 5); } catch (e) { console.log(e.constructor.name); } + try { Object.defineProperty(a, "0", { get configurable() { throw new RangeError("read"); } }); } catch (e) { console.log(e.constructor.name, e.message); } + try { Object.defineProperty(a, "0", { value: 1, get: undefined }); } catch (e) { console.log(e.constructor.name); } + console.log(a[0], a[1]); + let reads = 0; + Object.defineProperty(a, "g", { get() { reads++; return this.length; }, enumerable: true }); + console.log(a.g, reads, new TA(0)); + const e = new TA(0); + e.k = { deep: [1] }; + console.log(e); +} + +function species(TA, Other) { + const s = new TA([1, 2, 3, 4]); + const calls = []; + s.constructor = {}; + s.constructor[Symbol.species] = function (n) { calls.push(n); return new Other(n); }; + const m = s.map((v) => v * 1.5), f = s.filter((v) => v > 1), sl = s.slice(1, 3); + console.log(m, f, sl, calls); + s.constructor[Symbol.species] = function (buffer, offset, length) { calls.push([offset, length]); return new TA(buffer, offset, length); }; + const sub = s.subarray(1, 3); + sub[0] = 50; + console.log(sub, s[1], calls.length); + s.constructor[Symbol.species] = function () { return {}; }; + try { s.map((v) => v); } catch (err) { console.log(err.constructor.name); } + s.constructor[Symbol.species] = function () { return new TA(1); }; + try { s.slice(); } catch (err) { console.log(err.constructor.name); } + s.constructor = 5; + try { s.filter(() => true); } catch (err) { console.log(err.constructor.name); } + s.constructor = undefined; + console.log(s.map((v) => v + 1)); + const t = new TA([3, 1]); + Object.defineProperty(t, "constructor", { get() { calls.push("get"); return undefined; } }); + console.log(t.slice(), calls[calls.length - 1]); + const u = new TA([1, 2, 3]); + u.constructor = { [Symbol.species]: Uint16Array }; + console.log(u.filter(() => true), u.subarray(1), u.subarray(1).constructor === Uint16Array); + // A built-in constructor set as `constructor` is its own species. + const w = new TA([1, 2, 3]); + w.constructor = Float64Array; + const wm = w.map((v) => v / 2), ws = w.slice(1); + console.log(wm, wm.constructor === Float64Array, ws, ws.constructor === Float64Array, w.filter((v) => v > 1)); + w.constructor = TA; + console.log(w.map((v) => v / 2).constructor === TA); + // slice copies the source after the species constructor ran. + const x = new TA([1, 2, 3, 4]); + x.constructor = {}; + x.constructor[Symbol.species] = function (n) { x[1] = 40; x[2] = 30; return new Other(n); }; + console.log(x.slice(1, 3), x.slice(-1), x.slice(2, 1)); +} + +function reflection(TA) { + const a = new TA([1, 2]); + a.foo = 1; + a[Symbol.for("s")] = 2; + const keys = []; + for (const k in a) keys.push(k); + console.log(keys, { ...a }, JSON.stringify(a), Object.values(a)); + console.log(a.propertyIsEnumerable("foo"), Object.hasOwn(a, "foo"), Object.getOwnPropertySymbols(a), a[Symbol.for("s")]); + console.log(Object.assign(new TA(2), { x: 1, 0: 9 }), Object.assign({}, a)); + delete a.foo; + delete a[5]; + delete a.length; + console.log(a, "foo" in a, a.length); + try { delete a[0]; } catch (err) { console.log(err.message); } + Object.defineProperty(a, "fixed", { value: 1 }); + try { delete a.fixed; } catch (err) { console.log(err.message); } + try { a.fixed = 2; } catch (err) { console.log(err.message); } + console.log(a.subarray(0, 1).fixed, a.slice().fixed); + let seen; + Object.defineProperty(a, "s", { set(v) { seen = [v, this === a]; } }); + a.s = 7; + console.log(seen); + a.map = 5; + try { a.map((v) => v); } catch (err) { console.log(err.message); } + for (const key of ["length", "byteLength", "byteOffset", "buffer"]) { + try { a[key] = 1; } catch (err) { console.log(err.message); } + } + try { a[Symbol.toStringTag] = "x"; } catch (err) { console.log(err.message); } + // Cycles through a view's own properties are collected. + const loop = new TA(1); + loop.self = loop; + loop.size = () => loop.length; + console.log(loop.self === loop, loop.size()); +} + +function integrity(TA) { + const results = []; + const attempt = (f) => { try { f(); results.push("ok"); } catch (err) { results.push(err.message); } }; + const sealed = new TA(1); + sealed.x = 1; + attempt(() => Object.seal(sealed)); + console.log(results, Object.isExtensible(sealed), Object.isSealed(sealed), JSON.stringify(Object.getOwnPropertyDescriptor(sealed, "x"))); + attempt(() => Object.seal(sealed)); + const frozen = new TA(1); + frozen.x = 1; + attempt(() => Object.freeze(frozen)); + attempt(() => Object.freeze(frozen)); + console.log(results, Object.isFrozen(frozen), JSON.stringify(Object.getOwnPropertyDescriptor(frozen, "x"))); + const closed = new TA(1); + Object.defineProperty(closed, "q", { value: 1 }); + Object.preventExtensions(closed); + try { closed.z = 1; } catch (err) { console.log(err.message); } + try { closed[Symbol("n")] = 1; } catch (err) { console.log(err.message); } + console.log(Object.isExtensible(closed), Object.isSealed(closed), Object.isFrozen(closed)); + const empty = new TA(0); + empty.k = 1; + Object.freeze(empty); + try { empty.k = 2; } catch (err) { console.log(err.message); } + console.log(Object.isFrozen(empty), Object.isSealed(empty), empty.k); +} + +expandos(Uint8Array); +expandos(Float64Array); +species(Int16Array, Float32Array); +reflection(Uint8Array); +reflection(Int32Array); +integrity(Uint16Array); + +const view = box(new DataView(new ArrayBuffer(2))); +view[0] = 5; +view.x = 1; +console.log(view, Object.keys(view), view[0], JSON.stringify(view), "0" in view); +try { view.byteLength = 1; } catch (err) { console.log(err.message); } +const buffer = box(Buffer.from([1, 2])); +buffer.foo = 1; +buffer[Symbol.for("k")] = 2; +console.log(buffer, Object.keys(buffer), JSON.stringify(buffer)); +for (const key of ["parent", "offset", "length"]) { + try { buffer[key] = 1; } catch (err) { console.log(err.message); } +} +const empty = box(Buffer.alloc(0)); +empty.foo = { a: [1, { b: 2 }] }; +console.log(empty); diff --git a/tests/corpus/8000-optional-element-arrays-share-storage.ts b/tests/corpus/8000-optional-element-arrays-share-storage.ts new file mode 100644 index 000000000..fa31fcad2 --- /dev/null +++ b/tests/corpus/8000-optional-element-arrays-share-storage.ts @@ -0,0 +1,61 @@ +// A number[] or string[] seen as `(T | undefined)[]` is the same array, as +// in Node: undefined written through either name is visible through both, +// whether the wider view is a cast, a binding or a parameter. + +const c: number[] = [1.5, 2]; +(c as (number | undefined)[])[1] = undefined; +console.log(c); +const e: number[] = [1.5, 2]; +const f = e as (number | undefined)[]; +f[1] = undefined; +console.log(e, f, e === f); + +function clearFirst(values: (number | undefined)[]): void { + values[0] = undefined; + values.push(undefined, 4); +} +const a: number[] = [1, 2, 3]; +clearFirst(a); +console.log(a, a.length, a.indexOf(4), a.includes(undefined as unknown as number)); + +const names: string[] = ["x"]; +const wider: (string | undefined)[] = names; +wider.push(undefined); +wider.unshift(undefined); +console.log(names, wider === names, names.length, JSON.stringify(names)); + +// The wider arrays themselves: literals, pushes, splices and copies keep +// their undefined elements. +const lit: (number | undefined)[] = [1, undefined, 3]; +const maybe = (i: number): number | undefined => (i % 2 ? i : undefined); +const built: (number | undefined)[] = []; +for (let i = 0; i < 4; i++) built.push(maybe(i)); +built.splice(1, 0, undefined); +console.log(lit, built, lit.indexOf(undefined), built.filter((x): boolean => x === undefined).length); +console.log(built.map((x) => x ?? -1), built.find((x) => x !== undefined), [...built].reverse()); +let sum = 0; +for (const x of built) sum += x ?? 0; +console.log(sum, built.join("-"), JSON.stringify(built)); + +const flags: (boolean | undefined)[] = [true, undefined, false]; +const strs: (string | undefined)[] = ["a", undefined]; +console.log(flags, flags.filter(Boolean).length, strs.map((s) => s?.toUpperCase())); + +// Values from other containers keep their undefined. +const m = new Map([["a", undefined], ["b", 2]]); +const fromMap = [...m.values()]; +const fromSet = Array.from(new Set(["s", undefined])); +const sized = Array.from({ length: 2 }); +console.log(fromMap, fromSet, sized, sized.length); +const dict: { [key: string]: number | undefined } = { a: 1, b: undefined }; +console.log(Object.values(dict)); + +// An asserted element that is undefined throws a catchable TypeError. +function lengthAt(items: (string | undefined)[], i: number): number { + try { + return items[i]!.length; + } catch { + return -1; + } +} +console.log(lengthAt(strs, 0), lengthAt(strs, 1)); diff --git a/tests/corpus/8001-optional-element-writers.ts b/tests/corpus/8001-optional-element-writers.ts new file mode 100644 index 000000000..5dff693c3 --- /dev/null +++ b/tests/corpus/8001-optional-element-writers.ts @@ -0,0 +1,103 @@ +// Every way a value reaches a `(T | undefined)[]` of numbers, strings or +// booleans keeps its undefined: callbacks, generators, Array.of, rest +// packs, destructuring, class fields and copies into Sets and Maps. + +const slots = new Map([["a", 1]]); +const looked = ["x", "a", "y"].map((key) => slots.get(key)); +console.log(looked[0] === undefined, looked, looked.length); +const fromMapped = Array.from(["a", "b"], (key) => slots.get(key)); +console.log(fromMapped[1] === undefined, fromMapped); +const objects: { n?: number }[] = [{ n: 1 }, {}]; +const fields = objects.map((o) => o.n); +function pick(o: { n?: number }): number | undefined { + return o.n; +} +console.log(fields[1] === undefined, objects.map(pick)[1] === undefined, fields); +function wrap(value: T): T[] { + return [value]; +} +console.log(wrap(undefined)[0] === undefined); + +function* maybe(): Generator { + yield undefined; + yield 2; +} +const drained = [...maybe()]; +console.log(drained[0] === undefined, drained, Array.from(maybe())); +const yielding = function* (): Generator { + yield "s"; + yield undefined; +}; +console.log([...yielding()]); +console.log(Array.of(undefined, 1), Array.of(true)); + +function sum(...values: (number | undefined)[]): number { + return values.reduce((total, v) => total + (v ?? 0), 0); +} +const spread: (number | undefined)[] = [undefined, 4]; +console.log(sum(1, undefined, 2), sum(...spread), sum(...spread, undefined, 1)); + +const [first, second = 7, third] = [3, undefined, 1] as (number | undefined)[]; +console.log(first, second, third); +const strings: (string | undefined)[] = ["a", undefined, "a"]; +const seen = new Set(strings); +console.log(seen.size, seen.has(undefined), [...seen]); +for (const [i, s] of strings.entries()) console.log(i, s); +for (const key in strings) console.log("key", key); + +class Holder { + values: (number | undefined)[] = []; + add(value: number | undefined): void { + this.values.push(value); + } + first(): number | undefined { + return this.values[0]; + } +} +const holder = new Holder(); +holder.add(undefined); +holder.add(2); +console.log(holder.first(), holder.values, holder.values.length); + +const xs: (number | undefined)[] = [3, undefined, 1]; +xs.forEach((x, i) => console.log(i, x, typeof x)); +console.log(xs.findIndex((x) => x === undefined), xs.findLast((x) => x !== undefined)); +console.log(xs.some((x) => x === undefined), xs.every((x) => x !== undefined)); +console.log(xs.reduce((acc, x) => acc + (x ?? 10), 0), xs.join("/"), xs.at(1), xs.at(-1)); +console.log(xs.toSorted((a, b) => (a ?? 0) - (b ?? 0)), [...xs].sort()); +xs[1] ??= 5; +console.log(xs); +const flags: (boolean | undefined)[] = [undefined, true]; +console.log(flags.map((b) => !b), flags.indexOf(undefined), flags.includes(true), String(flags)); +const nested: (number | undefined)[][] = [[undefined], [1]]; +console.log(nested.flat(), nested[0]![0]); +const byKey = new Map([["k", [undefined, 1]]]); +console.log(byKey.get("k")![0], byKey); + +// Promise.all over `Promise[]` settles on Node's turn, with +// its undefined values. +const lookup = async (key: string): Promise => { + if (key === "x") throw new Error("missing " + key); + return slots.get(key); +}; +const turns: string[] = []; +const pending: Promise[] = [lookup("a"), lookup("b")]; +void Promise.all(pending).then((vs) => turns.push("all " + vs.join(",") + " " + (vs[1] === undefined))); +const failing: Promise[] = [lookup("a"), lookup("x")]; +Promise.all(failing).then( + () => turns.push("unexpected"), + (error: unknown) => turns.push("rejected " + (error as Error).message), +); +void Promise.all([] as Promise[]).then((vs) => turns.push("empty " + vs.length)); +void Promise.resolve() + .then(() => turns.push("t1")) + .then(() => turns.push("t2")) + .then(() => turns.push("t3")) + .then(() => console.log(turns.join(" "))); + +// Index reads through a union of arrays, and searches with a number +// needle, see the present undefined elements. +const pairs: ((null | undefined)[] | (number | undefined)[])[] = [[null, undefined], [undefined, 0]]; +for (const pair of pairs) console.log(pair[0], pair[1], pair[2]); +const sparse: (number | undefined)[] = [1, , undefined, 1]; +console.log(sparse.lastIndexOf(undefined), sparse.lastIndexOf(1, 2), sparse.indexOf(1, 1)); diff --git a/tests/corpus/8004-optional-element-conversions.ts b/tests/corpus/8004-optional-element-conversions.ts new file mode 100644 index 000000000..a592a4f32 --- /dev/null +++ b/tests/corpus/8004-optional-element-conversions.ts @@ -0,0 +1,82 @@ +// `(T | undefined)[]` values built by checked conversions, rest parameters +// and union index reads: nested arrays converted beside their non-optional +// form, a union arm that is an optional-element array, undefined arguments +// and tuple spreads packed into a rest parameter, and an index expression +// that reassigns the receiver. + +const plainRows = JSON.parse("[[1, 2], [3]]") as number[][]; +console.log(plainRows); +const optionalSource: unknown = (JSON.parse("[[1, null], [null, 4]]") as unknown[][]).map((row) => + row.map((v) => (v === null ? undefined : v)), +); +const optionalRows = optionalSource as (number | undefined)[][]; +console.log(optionalRows, optionalRows[0]![1], optionalRows[1]!.length); + +const armSource: unknown = [1, undefined, 3]; +const arm = armSource as (number | undefined)[] | string; +console.log(typeof arm === "string" ? arm : arm.length, arm); +const stringArm = ["a", undefined] as unknown as (string | undefined)[] | number; +console.log(stringArm); +const textArm = "text" as unknown as (string | undefined)[] | string; +console.log(textArm); + +function flags(...values: (boolean | undefined)[]): string { + let text = ""; + for (const value of values) text += value === undefined ? "u" : value ? "t" : "f"; + return `${values.length}:${text}:${String(values[1])}`; +} +console.log(flags(true, undefined)); +const flagPair: [boolean, boolean | undefined] = [false, undefined]; +console.log(flags(...flagPair), flags(true, ...flagPair), flags(...flagPair, true)); +function label(first: string, ...rest: (string | undefined)[]): string { + return `${first}/${rest.length}/${rest.map((v) => v ?? "-").join("")}`; +} +const words: [string, string | undefined, string | undefined] = ["a", undefined, "c"]; +console.log(label(...words), label("b", undefined)); +// Spread tuple fields are read before later arguments run. +const changing: [boolean, boolean | undefined] = [true, undefined]; +function flip(pair: [boolean, boolean | undefined], second: boolean | undefined): boolean { + pair[0] = !pair[0]; + pair[1] = second; + return pair[0]; +} +console.log(flags(...changing, flip(changing, true))); +console.log(flags(...changing, flip(changing, undefined), ...changing)); +const swapped: [string, string | undefined] = ["x", "y"]; +function swap(pair: [string, string | undefined]): string { + pair[0] = "w"; + pair[1] = undefined; + return "v"; +} +console.log(label("z", ...swapped, swap(swapped), ...swapped)); +// Tuple spreads together with array and Set spreads keep undefined +// elements, and every item is read in argument order. +const mixedPair: [boolean, boolean | undefined] = [true, undefined]; +const mixedMore: (boolean | undefined)[] = [false, undefined]; +console.log(flags(...mixedPair, ...mixedMore), flags(...mixedMore, ...mixedPair), flags(true, ...mixedPair, ...mixedMore, undefined)); +const mixedChanging: [boolean, boolean | undefined] = [true, undefined]; +console.log(flags(...mixedChanging, ...mixedMore, flip(mixedChanging, true), ...mixedChanging)); +const mixedWords: [string, string | undefined] = ["a", undefined]; +console.log(label("z", ...["b", undefined, "c"], ...mixedWords), label("y", ...mixedWords, ...new Set(["s", undefined]))); +// A tuple returned by a call keeps its string fields alive until every +// field is packed beside the other spreads. +function makeTuple(n: number): [string, string | undefined, string] { + return ["p" + n.toString(16).repeat(4), n % 2 ? undefined : "q" + n, "r".repeat((n % 7) + 3) + n]; +} +for (let i = 0; i < 3; i++) { + console.log(label("z", ...["m", undefined], ...makeTuple(i), ...mixedWords), label("y", ...makeTuple(i + 10), ...new Set(["s" + i]))); +} + +function pick(start: (number | undefined)[] | string[], other: (number | undefined)[] | string[]): string { + let a = start; + const read = a[((a = other), 0)]; + return `${String(read)} ${String(a[0])}`; +} +console.log(pick([1, undefined, 3], ["x", "y"]), pick([undefined, 2], ["z"])); +function counted(start: (number | undefined)[] | string[]): string { + let b = start; + let i = 1; + const read = b[((b = ["q"]), i--)]; + return `${String(read)} ${b.length} ${i}`; +} +console.log(counted([4, undefined]), counted(["s", "t"])); diff --git a/tests/corpus/8006-buffer-base64-decode.ts b/tests/corpus/8006-buffer-base64-decode.ts new file mode 100644 index 000000000..3d7b20303 --- /dev/null +++ b/tests/corpus/8006-buffer-base64-decode.ts @@ -0,0 +1,66 @@ +// Buffer.from(text, "base64" | "base64url") over complete eight-character +// blocks and the text around them: every length from 0 to 40, an invalid +// character at each position of a block, padding and text after it, both +// alphabets, line breaks every 76 characters, sizes around the pool +// threshold, and characters past U+00FF. + +let seed = 7; +function next(): number { + seed = (seed * 1103515245 + 12345) & 0x7fffffff; + return seed >>> 8; +} +function bytes(size: number): Buffer { + const buf = Buffer.alloc(size); + for (let i = 0; i < size; i++) buf[i] = next() & 255; + return buf; +} + +const rows: string[] = []; +for (let size = 0; size <= 30; size++) { + const buf = bytes(size); + const text = buf.toString("base64"); + const url = buf.toString("base64url"); + rows.push( + `${size}:${text.length}:${Buffer.from(text, "base64").equals(buf)}:${Buffer.from(url, "base64url").equals(buf)}:${Buffer.from(url, "base64").equals(buf)}`, + ); +} +console.log(rows.join(" ")); + +const block = Buffer.from("0123456789abcdefghijklmnopqrstuv").toString("base64"); +for (let at = 0; at < 16; at++) { + for (const bad of [" ", "\n", "*", "=", "é", "中"]) { + const text = block.slice(0, at) + bad + block.slice(at); + console.log(at, JSON.stringify(bad), Buffer.from(text, "base64").toString("hex")); + } +} + +for (const text of [ + "QUJDREVGR0g=", + "QUJDREVGR0", + "QUJDREVGR0g=QUJD", + "QUJD=REVGR0hJ", + "QUJDREVGR0hJSktM", + "QUJDREVGR0hJSktMTQ", + "QUJDREVGR0hJSktMTQ==", + "--__--__", + "++//++//", + "+-/_+-/_+-/_", + "Q U J D R E V G R 0 h J", + "QUJD\tREVG\r\nR0hJ", + "=QUJDREVGR0hJ", + "", +]) { + console.log(JSON.stringify(text), Buffer.from(text, "base64").toString("hex"), Buffer.from(text, "base64url").length); +} + +for (const size of [4095, 4096, 4097, 6144, 6145, 70000]) { + const buf = bytes(size); + const text = buf.toString("base64"); + const wrapped = text.replace(/.{76}/g, "$&\n"); + const decoded = Buffer.from(text, "base64"); + const unwrapped = Buffer.from(wrapped, "base64"); + console.log(size, decoded.length, decoded.equals(buf), unwrapped.equals(buf), Buffer.byteLength(text, "base64")); +} + +const wide = "QUJDREVGR0hJİSktM"; +console.log(Buffer.from(wide, "base64").toString("hex"), Buffer.from("ŁłQUJD", "base64").toString("hex")); diff --git a/tests/corpus/8007-buffer-fill-swap-utf16le.ts b/tests/corpus/8007-buffer-fill-swap-utf16le.ts new file mode 100644 index 000000000..850c5b964 --- /dev/null +++ b/tests/corpus/8007-buffer-fill-swap-utf16le.ts @@ -0,0 +1,110 @@ +// Buffer fill with values of more than one byte, swap16/32/64, and +// toString("utf16le"): pattern lengths that do and do not divide the +// filled range, offsets and ends, patterns that are views of the buffer +// being filled, string encodings, sizes around word and pool boundaries, +// and utf16le text with ASCII runs, other BMP characters, surrogate pairs, +// lone surrogates and an odd last byte. + +function show(buf: Uint8Array): string { + return Buffer.from(buf).toString("hex"); +} + +const fills: string[] = []; +for (const size of [0, 1, 2, 3, 7, 8, 9, 31, 32, 33]) { + const buf = Buffer.alloc(size); + buf.fill("ab"); + fills.push(buf.toString("latin1")); + buf.fill(Buffer.from([1, 2, 3])); + fills.push(show(buf)); +} +console.log(fills.join(" ")); + +const ranged = Buffer.alloc(20); +ranged.fill("xyz", 3, 17); +console.log(ranged.toString("latin1").replace(/\0/g, ".")); +ranged.fill(Buffer.from("0123456789"), 5); +console.log(ranged.toString("latin1").replace(/\0/g, ".")); +ranged.fill("long pattern longer than the range", 2, 6); +console.log(ranged.toString("latin1").replace(/\0/g, ".")); +ranged.fill("é中", 0, 11); +console.log(show(ranged)); +ranged.fill("6869", 0, 7, "hex"); +ranged.fill("aGk=", 10, 15, "base64"); +console.log(show(ranged)); +ranged.fill("éa", 0, 20, "latin1"); +console.log(show(ranged)); +ranged.fill("ab", 0, 9, "utf16le"); +console.log(show(ranged)); + +// Patterns that are views of the buffer being filled. +const self = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); +self.fill(self.subarray(1, 3)); +console.log(show(self)); +const later = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); +later.fill(later.subarray(6, 9), 2); +console.log(show(later)); +const whole = Buffer.from([9, 8, 7, 6]); +whole.fill(whole); +console.log(show(whole)); +const typed = new Uint8Array(12); +typed.set([5, 6, 7], 0); +Buffer.from(typed.buffer).fill(typed.subarray(0, 3), 3); +console.log(show(typed)); + +const big = Buffer.alloc(70001); +big.fill("0123456"); +console.log(big.length, big.toString("latin1", 0, 10), big.toString("latin1", 69990), big.toString("latin1", 35000, 35010)); +try { + Buffer.alloc(4).fill(Buffer.alloc(0)); +} catch (error) { + console.log((error as NodeJS.ErrnoException).code); +} +console.log(show(Buffer.alloc(5).fill(""))); + +// swap16/32/64. +for (const size of [0, 8, 16, 24, 64, 1000]) { + const buf = Buffer.alloc(size); + for (let i = 0; i < size; i++) buf[i] = (i * 37 + 11) & 255; + const a = Buffer.from(buf).swap16(); + const b = Buffer.from(buf).swap32(); + const c = Buffer.from(buf).swap64(); + console.log(size, show(a.subarray(0, 8)), show(b.subarray(0, 8)), show(c.subarray(0, 8)), show(c.subarray(c.length - 8)), a.swap16().equals(buf)); +} +for (const [size, width] of [[3, 16], [6, 32], [12, 64]] as const) { + try { + const buf = Buffer.alloc(size); + if (width === 16) buf.swap16(); + else if (width === 32) buf.swap32(); + else buf.swap64(); + } catch (error) { + console.log((error as NodeJS.ErrnoException).code, (error as Error).message); + } +} +const view = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]).subarray(1, 9); +view.swap32(); +console.log(show(view)); + +// toString("utf16le"). +const texts = [ + "plain ascii text", + "abcéÿĀ߿ࠀ中￿", + "ascii run then 中文 and more ascii after it", + "\u{1F600}\u{10FFFF}a\u{10000}", + "lone \ud800 high and \udc00 low and \ud83d", + "x".repeat(4097) + "é" + "y".repeat(3), +]; +for (const text of texts) { + const bytes = Buffer.from(text, "utf16le"); + const back = bytes.toString("utf16le"); + console.log(back === text, back.length, bytes.length, JSON.stringify(back.slice(0, 24)), back.charCodeAt(back.length - 1)); +} +const odd = Buffer.from([0x61, 0, 0x62, 0, 0x63]); +console.log(JSON.stringify(odd.toString("utf16le")), odd.toString("utf16le").length); +const pairSplit = Buffer.from([0x3d, 0xd8, 0x00, 0xde, 0x3d, 0xd8]); +const split = pairSplit.toString("utf16le"); +console.log(split.length, split.codePointAt(0), split.charCodeAt(2)); +const units = Buffer.alloc(40); +for (let i = 0; i < 40; i++) units[i] = (i * 53 + 7) & 255; +const decoded = units.toString("utf16le"); +console.log(decoded.length, [...decoded].map((c) => c.codePointAt(0)).join(",")); +console.log(units.toString("utf16le", 3, 21).length, units.toString("ucs2", 0, 8) === units.toString("utf16le", 0, 8)); diff --git a/tests/corpus/8181-map-get-borrows.ts b/tests/corpus/8181-map-get-borrows.ts new file mode 100644 index 000000000..1a6c71667 --- /dev/null +++ b/tests/corpus/8181-map-get-borrows.ts @@ -0,0 +1,172 @@ +// Map.get results held in locals across the operations that can and cannot +// release the entry's value: an update on the absent branch, a write, delete +// or clear before a later read, a call that may change the map, loops, +// string keys, values that are stored, returned or compared, a local declared +// from the read, a read from a temporary map, and a key that replaces the +// field holding the map. +class Counter { + num: number; + label: string; + constructor(num: number, label: string) { + this.num = num; + this.label = label; + } +} + +function count(keys: number[]): Map { + const counts = new Map(); + for (const key of keys) { + const cur = counts.get(key); + if (cur === undefined) counts.set(key, new Counter(1, `k${key}`)); + else cur.num++; + } + return counts; +} + +function report(counts: Map): string { + const parts: string[] = []; + for (const [key, value] of counts) parts.push(`${key}:${value.num}:${value.label}`); + return parts.join(" "); +} + +console.log("count", report(count([3, 1, 3, 2, 3, 1, 9]))); + +// A write replaces the entry's value while the old one is still read. +function replaceThenRead(m: Map): string { + const old = m.get(1); + m.set(1, new Counter(100, "new")); + return old === undefined ? "none" : `${old.num}:${old.label}`; +} +const replaced = new Map([[1, new Counter(5, "old")]]); +console.log("replace", replaceThenRead(replaced), replaced.get(1)!.label); + +// Deleting and clearing release the value before the read. +function deleteThenRead(m: Map): string { + const held = m.get(2); + m.delete(2); + return held === undefined ? "none" : held.label; +} +function clearThenRead(m: Map): string { + const held = m.get(2); + m.clear(); + return held === undefined ? "none" : `${held.label}:${m.size}`; +} +console.log("delete", deleteThenRead(new Map([[2, new Counter(1, "two")]]))); +console.log("clear", clearThenRead(new Map([[2, new Counter(1, "two")]]))); + +// A call that may change the map runs between the read and the use. +let shared = new Map([[7, new Counter(7, "seven")]]); +function mutate(): void { + shared.set(7, new Counter(70, "seventy")); + shared = new Map(); +} +function callBetween(): string { + const held = shared.get(7); + mutate(); + return held === undefined ? "none" : `${held.num}:${held.label}`; +} +console.log("call", callBetween()); + +// Reads on both branches, a write on one of them, and a read after the join. +function branches(m: Map, k: number, write: boolean): string { + const held = m.get(k); + if (held === undefined) return "absent"; + if (write) m.set(k, new Counter(0, "zero")); + else held.num += 10; + return `${held.num}:${held.label}`; +} +const branchMap = new Map([[4, new Counter(4, "four")]]); +console.log("branches", branches(branchMap, 4, false), branches(branchMap, 4, true), branches(branchMap, 5, true)); + +// The value escapes into an array and a returned object. +function escape(m: Map): Counter[] { + const kept: Counter[] = []; + for (let k = 0; k < 4; k++) { + const value = m.get(k % 2); + if (value !== undefined) kept.push(value); + } + m.clear(); + return kept; +} +const escapes = escape(new Map([[0, new Counter(0, "zero")], [1, new Counter(1, "one")]])); +console.log("escape", escapes.map((c) => c.label).join(",")); +function returned(m: Map): Counter | undefined { + const value = m.get(3); + return value; +} +const returnMap = new Map([[3, new Counter(3, "three")]]); +const got = returned(returnMap); +returnMap.clear(); +console.log("returned", got?.label); + +// String keys, including keys built at run time. +function words(text: string): string { + const seen = new Map(); + for (const word of text.split(" ")) { + const entry = seen.get(word); + if (entry === undefined) seen.set(word, new Counter(1, word.toUpperCase())); + else entry.num++; + } + const parts: string[] = []; + for (const [word, entry] of seen) parts.push(`${word}=${entry.num}/${entry.label}`); + return parts.join(" "); +} +console.log("words", words("a b a c b a")); +const prefix = "k"; +const byName = new Map([["k1", new Counter(1, "one")]]); +const named = byName.get(prefix + "1"); +byName.set("k1", new Counter(2, "two")); +console.log("named", named?.label, byName.get("k1")?.label); + +// A loop whose body writes the map after the read on every pass. +function loopWrites(m: Map): number { + let total = 0; + for (let i = 0; i < 5; i++) { + const value = m.get(i % 2); + if (value !== undefined) total += value.num; + m.set(i % 2, new Counter(i, "loop")); + if (value !== undefined) total += value.num * 100; + } + return total; +} +console.log("loop", loopWrites(new Map([[0, new Counter(1, "a")], [1, new Counter(2, "b")]]))); + +// A local declared from the read is read after a write that replaces the +// entry; it reads the value the map held when the local was declared. +function aliasThenWrite(m: Map): string { + const held = m.get(1); + const copy = held; + m.set(1, new Counter(10, "ten")); + m.delete(1); + const filler = [new Counter(11, "filler"), new Counter(12, "filler")]; + return copy === undefined ? "none" : `${copy.num}:${copy.label}:${filler.length}`; +} +console.log("alias", aliasThenWrite(new Map([[1, new Counter(1, "one")]]))); + +// A read from a map that no local holds: the map is released after the +// declaration, and the value stays readable. +function freshMap(): Map { + return new Map([[1, new Counter(5, "five")]]); +} +function fromTemporary(): string { + const held = freshMap().get(1); + const filler = [new Counter(6, "filler"), new Counter(7, "filler")]; + return held === undefined ? "none" : `${held.num}:${held.label}:${filler.length}`; +} +console.log("temporary", fromTemporary()); + +// A key whose evaluation replaces the field that holds the map: the read +// uses the old map, which only the statement still holds. +class Holder { + m = new Map([[1, new Counter(9, "nine")]]); + key(): number { + this.m = new Map(); + return 1; + } + read(): string { + const held = this.m.get(this.key()); + const filler = [new Counter(10, "filler"), new Counter(11, "filler")]; + return held === undefined ? "none" : `${held.num}:${held.label}:${filler.length}:${this.m.size}`; + } +} +console.log("replaced by key", new Holder().read()); diff --git a/tests/corpus/8244-speculative-floor-mod-powers.ts b/tests/corpus/8244-speculative-floor-mod-powers.ts new file mode 100644 index 000000000..db28dcde0 --- /dev/null +++ b/tests/corpus/8244-speculative-floor-mod-powers.ts @@ -0,0 +1,88 @@ +// Integer loops whose writes take a floor-mod by a power of two +// (`v - Math.floor(v / 2^n) * 2^n`) or multiply by one: negative and zero +// values, exponents 0, 52 and above, literal powers, both factor orders, +// fractional values and results past 2^53, which leave the integer copy. + +function trim(value: number, bits: number): number { + return value - Math.floor(value / Math.pow(2, bits)) * Math.pow(2, bits); +} + +function low3(value: number): number { + return value - Math.floor(value / 8) * 8; +} + +function rolling(bytes: Uint8Array, bits: number): number { + let key = 0; + let sum = 0; + for (let i = 0; i < bytes.length; i++) { + key = trim(key, bits) * 4 + bytes[i]!; + sum = (sum + key) % 1000003; + } + return key * 7 + sum; +} + +function stepped(start: number, step: number, bits: number, count: number): number { + let v = start; + let h = 0; + for (let i = 0; i < count; i++) { + v = trim(v, bits) * 3 - step; + h = (h * 31 + v) % 999983; + } + return h * 1000 + v; +} + +function literal(start: number, count: number): number { + let v = start; + let h = 0; + for (let i = 0; i < count; i++) { + v = low3(v) * 16 - i; + h = (h * 17 + v) % 65521; + } + return h * 100 + v; +} + +function scaled(start: number, bits: number, count: number): number { + let v = start; + let h = 0; + for (let i = 0; i < count; i++) { + v = Math.pow(2, bits) * v + 1; + h = (h * 7 + v) % 10007; + } + return h + v; +} + +function shifted(start: number, count: number): number { + let v = start; + let h = 0; + for (let i = 0; i < count; i++) { + v = v * 1024 - i; + h = (h * 3 + v) % 101; + } + return h + v; +} + +const bytes = new Uint8Array(4000); +for (let i = 0; i < bytes.length; i++) bytes[i] = (i * 7 + (i >> 3)) & 3; + +for (const bits of [0, 1, 2, 10, 22, 34, 50, 52, 53, 60]) console.log("rolling", bits, rolling(bytes, bits)); +for (const [start, step, bits] of [ + [0, 1, 3], + [-5, 3, 2], + [-1, -1, 0], + [123456789, 7, 20], + [-9007199254740991, 1, 52], + [2.5, 1, 4], + [7, 0.5, 3], +] as const) + console.log("stepped", start, step, bits, stepped(start, step, bits, 50)); +for (const start of [0, 13, -13, 4096, -7.25]) console.log("literal", start, literal(start, 40)); +for (const [start, bits] of [ + [1, 3], + [-2, 5], + [0, 52], + [3, 20], + [-1, 0], +] as const) + console.log("scaled", start, bits, scaled(start, bits, 6)); +for (const start of [0, 1, -1, 3, 1e6]) console.log("shifted", start, shifted(start, 7)); +console.log(Object.is(stepped(0, 0, 3, 5), 0), Object.is(scaled(0, 2, 3), 21 + 1)); diff --git a/tests/corpus/8321-typed-array-constructor-kind.js b/tests/corpus/8321-typed-array-constructor-kind.js new file mode 100644 index 000000000..277128a93 --- /dev/null +++ b/tests/corpus/8321-typed-array-constructor-kind.js @@ -0,0 +1,23 @@ +// A built-in typed-array constructor set as a view's `constructor` is the +// species of map, filter, slice and subarray when the program never names +// the species symbol. +function kinds(TA, Other) { + const a = new TA([1, 2, 3, 4]); + a.constructor = Other; + const m = a.map((v) => v * 1.5), f = a.filter((v) => v > 1), s = a.slice(1, 3); + console.log(m, f, s, m.constructor === Other, f.constructor === Other, s.constructor === Other); + try { + const sub = a.subarray(0, 2); + console.log(sub, sub.constructor === Other); + } catch (err) { + console.log(err.constructor.name); + } + a.constructor = TA; + console.log(a.map((v) => v / 2).constructor === TA); + a.constructor = {}; + console.log(a.slice().constructor === TA); +} +kinds(Uint8Array, Float64Array); +kinds(Int16Array, Uint8Array); +kinds(Float32Array, Int32Array); +kinds(Float64Array, Uint8ClampedArray); diff --git a/tests/coverage-fixtures/node-islands-config/main.ts b/tests/coverage-fixtures/node-islands-config/main.ts new file mode 100644 index 000000000..5bacea88a --- /dev/null +++ b/tests/coverage-fixtures/node-islands-config/main.ts @@ -0,0 +1,4 @@ +// Unknown values in scriptc.packages or scriptc.nodeIslands are SC8004: a +// build warns about them and goes on (it does not use the settings), and +// coverage reports no Node islands until they are valid. +console.log("configured"); diff --git a/tests/coverage-fixtures/node-islands-config/package.json b/tests/coverage-fixtures/node-islands-config/package.json new file mode 100644 index 000000000..1a01afa30 --- /dev/null +++ b/tests/coverage-fixtures/node-islands-config/package.json @@ -0,0 +1,14 @@ +{ + "private": true, + "type": "module", + "scriptc": { + "packages": { + "encoding": "unloded", + "debug": { "run": "island" } + }, + "nodeIslands": { + "auto": "yes", + "mode": "auto" + } + } +} diff --git a/tests/coverage-fixtures/node-islands-user-js.cjs b/tests/coverage-fixtures/node-islands-user-js.cjs new file mode 100644 index 000000000..c01f8c255 --- /dev/null +++ b/tests/coverage-fixtures/node-islands-user-js.cjs @@ -0,0 +1,22 @@ +// User JavaScript with one R2 construct per rule. With --strict-user-js, +// coverage reports each as the SC81xx error scope B makes it; without the +// flag the report is unchanged. +function Point(x) { + this.x = x; +} +Point.prototype.norm = function norm() { + return Math.abs(this.x); +}; +const base = { kind: "base" }; +const child = {}; +Object.setPrototypeOf(child, base); +const box = {}; +Object.defineProperty(box, "size", { value: 3, enumerable: false }); +function legacy(a) { + arguments[0] = 2; + return a; +} +Array.prototype.last = function last() { + return this[this.length - 1]; +}; +console.log(new Point(-2).norm(), child.kind, box.size, legacy(1)); diff --git a/tests/coverage-fixtures/node-islands/main.ts b/tests/coverage-fixtures/node-islands/main.ts new file mode 100644 index 000000000..597ba57cf --- /dev/null +++ b/tests/coverage-fixtures/node-islands/main.ts @@ -0,0 +1,16 @@ +// Node islands, report-only: one npm package per island class, a package +// that runs inside an island's closure, one reached from both sides, and +// one that stays native. Coverage reports the islands a build would +// choose; the build itself is unchanged. +import { describe } from "ni-gap"; +import { compile } from "ni-eval"; +import { Counter } from "ni-ctor"; +import { shout } from "ni-bundled"; +import { twice } from "ni-typed"; + +console.log(describe()); +console.log(compile("a + 1")(2)); +const counter = new Counter(); +counter.add(twice(2)); +console.log(counter.total()); +console.log(shout("hi")); diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/index.d.ts b/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/index.d.ts new file mode 100644 index 000000000..ccebdab51 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/index.d.ts @@ -0,0 +1 @@ +export declare function shout(s: string): string; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/index.js b/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/index.js new file mode 100644 index 000000000..2e88085be --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/index.js @@ -0,0 +1,15 @@ +// A webpack bundle: its build-transform markers keep it out of the native +// subset as shipped (a packaging island). +var __webpack_modules__ = { + 1: function (module) { + module.exports.shout = function shout(s) { + return s.toUpperCase() + "!"; + }; + }, +}; +function __webpack_require__(id) { + var module = { exports: {} }; + __webpack_modules__[id](module); + return module.exports; +} +module.exports = __webpack_require__(1); diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/package.json b/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/package.json new file mode 100644 index 000000000..fd9bab40d --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-bundled/package.json @@ -0,0 +1,5 @@ +{ + "name": "ni-bundled", + "version": "1.0.0", + "main": "index.js" +} diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.d.ts b/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.d.ts new file mode 100644 index 000000000..2b70027a9 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.d.ts @@ -0,0 +1,4 @@ +export declare class Counter { + add(n: number): void; + total(): number; +} diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.js b/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.js new file mode 100644 index 000000000..39992107e --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.js @@ -0,0 +1,15 @@ +"use strict"; +// A constructor function with prototype methods needs a mutable object +// model (R2.1). Its helper package runs inside its island. +const { step } = require("ni-dep"); +const { twice } = require("ni-typed"); +function Counter() { + this.count = 0; +} +Counter.prototype.add = function add(n) { + this.count = step(this.count, twice(n)); +}; +Counter.prototype.total = function total() { + return this.count; +}; +exports.Counter = Counter; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/package.json b/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/package.json new file mode 100644 index 000000000..096b98d20 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-ctor/package.json @@ -0,0 +1,5 @@ +{ + "name": "ni-ctor", + "version": "1.0.0", + "main": "index.js" +} diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-dep/index.js b/tests/coverage-fixtures/node-islands/node_modules/ni-dep/index.js new file mode 100644 index 000000000..71a0eec99 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-dep/index.js @@ -0,0 +1,4 @@ +"use strict"; +exports.step = function step(a, b) { + return a + b; +}; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-dep/package.json b/tests/coverage-fixtures/node-islands/node_modules/ni-dep/package.json new file mode 100644 index 000000000..24b33b1ef --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-dep/package.json @@ -0,0 +1,5 @@ +{ + "name": "ni-dep", + "version": "1.0.0", + "main": "index.js" +} diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.d.ts b/tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.d.ts new file mode 100644 index 000000000..4bdbf94f6 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.d.ts @@ -0,0 +1 @@ +export declare function compile(body: string): (a: number) => number; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.js b/tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.js new file mode 100644 index 000000000..c549c058e --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.js @@ -0,0 +1,5 @@ +"use strict"; +// Code from strings needs the JavaScript runtime (R1.1). +exports.compile = function compile(body) { + return new Function("a", "return " + body); +}; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-eval/package.json b/tests/coverage-fixtures/node-islands/node_modules/ni-eval/package.json new file mode 100644 index 000000000..449239a05 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-eval/package.json @@ -0,0 +1,5 @@ +{ + "name": "ni-eval", + "version": "1.0.0", + "main": "index.js" +} diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.d.ts b/tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.d.ts new file mode 100644 index 000000000..6e1b743c2 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.d.ts @@ -0,0 +1 @@ +export declare function describe(): string; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.js b/tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.js new file mode 100644 index 000000000..2148e51fd --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.js @@ -0,0 +1,8 @@ +"use strict"; +// A construct inside the native subset that scriptc does not compile yet: +// a builtin function alias used as an escaping value. +const { extname } = require("node:path"); +const ext = extname; +exports.describe = function describe() { + return typeof ext; +}; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-gap/package.json b/tests/coverage-fixtures/node-islands/node_modules/ni-gap/package.json new file mode 100644 index 000000000..9804ad187 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-gap/package.json @@ -0,0 +1,5 @@ +{ + "name": "ni-gap", + "version": "1.0.0", + "main": "index.js" +} diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-typed/index.d.ts b/tests/coverage-fixtures/node-islands/node_modules/ni-typed/index.d.ts new file mode 100644 index 000000000..bb1a852b1 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-typed/index.d.ts @@ -0,0 +1 @@ +export declare function twice(n: number): number; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-typed/index.js b/tests/coverage-fixtures/node-islands/node_modules/ni-typed/index.js new file mode 100644 index 000000000..082402bfd --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-typed/index.js @@ -0,0 +1,4 @@ +"use strict"; +exports.twice = function twice(n) { + return n * 2; +}; diff --git a/tests/coverage-fixtures/node-islands/node_modules/ni-typed/package.json b/tests/coverage-fixtures/node-islands/node_modules/ni-typed/package.json new file mode 100644 index 000000000..c3048156c --- /dev/null +++ b/tests/coverage-fixtures/node-islands/node_modules/ni-typed/package.json @@ -0,0 +1,5 @@ +{ + "name": "ni-typed", + "version": "1.0.0", + "main": "index.js" +} diff --git a/tests/coverage-fixtures/node-islands/package.json b/tests/coverage-fixtures/node-islands/package.json new file mode 100644 index 000000000..f18eb6012 --- /dev/null +++ b/tests/coverage-fixtures/node-islands/package.json @@ -0,0 +1,5 @@ +{ + "name": "node-islands-coverage-fixture", + "private": true, + "type": "module" +} diff --git a/tests/diagnostics/contract-int32-escapes.ts b/tests/diagnostics/contract-int32-escapes.ts index fcbbcbfd9..57ed4ce39 100644 --- a/tests/diagnostics/contract-int32-escapes.ts +++ b/tests/diagnostics/contract-int32-escapes.ts @@ -14,4 +14,5 @@ class Box { const box = new Box(); const loose: any = box; loose.size = 0.5; -console.log([1.5, 2].map(double).join(","), box.size); +const pick: (x: number) => number = double; +console.log([1.5, 2].map(pick).join(","), box.size); diff --git a/tests/diagnostics/contract-int32.ts b/tests/diagnostics/contract-int32.ts index f6e900626..20231c535 100644 --- a/tests/diagnostics/contract-int32.ts +++ b/tests/diagnostics/contract-int32.ts @@ -29,8 +29,10 @@ function bump(): void { const sizes = [1, 2, 3]; const len: Int32 = sizes.length; +const weights = [1.5, 2]; +const shifted = weights.map((w: Int32) => w + 1); const span = new Span(1.5); span.advance(); bump(); -console.log(width(span), half(7), count, len); +console.log(width(span), half(7), count, len, shifted); diff --git a/tests/harness/README.md b/tests/harness/README.md index 3922c72cc..66a528f4e 100644 --- a/tests/harness/README.md +++ b/tests/harness/README.md @@ -52,7 +52,7 @@ that may be newer than the installed declarations). Every item is classified: The selected adjacent interface families excluded from the census carry reasons too. A Node upgrade that adds/removes a public member or dictionary key fails the focused suite until that member is classified. The static and unsupported rows project into the shipped surface manifest; -filter `NODE24_FETCH_COMPAT_PROFILE.inventory.entries` by `status`/`owner` for +filter `node24FetchCompatProfile().inventory.entries` by `status`/`owner` for the next cohesive implementation queue. When Node changes, update `.node-version` and the profile's Node/Undici tuple diff --git a/tests/harness/__snapshots__/contract-int32-arrays.ts.txt b/tests/harness/__snapshots__/contract-int32-arrays.ts.txt index c326adbb5..56db22706 100644 --- a/tests/harness/__snapshots__/contract-int32-arrays.ts.txt +++ b/tests/harness/__snapshots__/contract-int32-arrays.ts.txt @@ -34,14 +34,14 @@ contract-int32-arrays.ts:16:13 - error SC7002: the element stored into 'counts' hint: make the int32 conversion explicit, for example 'Math.PI | 0', so Node stores the same value -contract-int32-arrays.ts:18:26 - error SC7002: the elements 'counts.map((x) => x * 2)' stores are not provably int32s (the array can reach 'doubled', declared Int32[]) +contract-int32-arrays.ts:18:44 - error SC7002: the element stored into 'counts.map((x) => x * 2)' is not provably an int32: 'x * 2' (the array can reach 'doubled', declared Int32[]) 17 | halveInto(counts, ids); 18 | const doubled: Int32[] = counts.map((x) => x * 2); - | ^~~~~~~~~~~~~~~~~~~~~~~~ + | ^~~~~ 19 | const parsed: Int32[] = JSON.parse("[1, 2]"); - hint: callback results are not followed; build the array with a loop that stores 'value | 0' + hint: make the int32 conversion explicit, for example '(x * 2) | 0', so Node stores the same value contract-int32-arrays.ts:19:15 - error SC7003: the Int32[] contract on 'parsed' cannot be checked: the array can come from dynamic (any or unknown) code (contract-int32-arrays.ts:19:25), whose element stores scriptc does not see diff --git a/tests/harness/__snapshots__/contract-int32-escapes.ts.txt b/tests/harness/__snapshots__/contract-int32-escapes.ts.txt index 920f4c4a4..1be04a0cf 100644 --- a/tests/harness/__snapshots__/contract-int32-escapes.ts.txt +++ b/tests/harness/__snapshots__/contract-int32-escapes.ts.txt @@ -21,6 +21,6 @@ contract-int32-escapes.ts:16:1 - error SC7002: the value stored into 'Box.size' 15 | const loose: any = box; 16 | loose.size = 0.5; | ^~~~~~~~~~~~~~~~ - 17 | console.log([1.5, 2].map(double).join(","), box.size); + 17 | const pick: (x: number) => number = double; hint: make the int32 conversion explicit, for example 'loose.size = 0.5 | 0', so Node computes the same value \ No newline at end of file diff --git a/tests/harness/__snapshots__/contract-int32.ts.txt b/tests/harness/__snapshots__/contract-int32.ts.txt index 2f3a65c1d..90f046973 100644 --- a/tests/harness/__snapshots__/contract-int32.ts.txt +++ b/tests/harness/__snapshots__/contract-int32.ts.txt @@ -48,6 +48,15 @@ contract-int32.ts:31:20 - error SC7002: the value stored into 'len' (Int32) is n 30 | const sizes = [1, 2, 3]; 31 | const len: Int32 = sizes.length; | ^~~~~~~~~~~~ - 32 | + 32 | const weights = [1.5, 2]; - hint: make the int32 conversion explicit, for example 'sizes.length | 0', so Node computes the same value \ No newline at end of file + hint: make the int32 conversion explicit, for example 'sizes.length | 0', so Node computes the same value + +contract-int32.ts:33:30 - error SC7002: the value stored into 'w' (Int32) is not provably an int32 + + 32 | const weights = [1.5, 2]; + 33 | const shifted = weights.map((w: Int32) => w + 1); + | ^ + 34 | + + hint: make the int32 conversion explicit with '| 0', so Node computes the same value \ No newline at end of file diff --git a/tests/harness/__snapshots__/coverage-node-islands-explain.txt b/tests/harness/__snapshots__/coverage-node-islands-explain.txt new file mode 100644 index 000000000..f416b9781 --- /dev/null +++ b/tests/harness/__snapshots__/coverage-node-islands-explain.txt @@ -0,0 +1,13 @@ + Node island ni-ctor@1.0.0 (would-be, report-only) + path tests/coverage-fixtures/node-islands/node_modules/ni-ctor + class object-model: needs a mutable object model + decision automatic (npm code outside the native subset) + evaluation eager at its module position (deferred evaluation is decided by a later milestone) + reasons (first per module; decisive class first) + object-model tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.js:9:1 + R2.1 constructor functions: a write of 'Counter.prototype.add' + all reasons 2 (2 object-model) + boundary 1 native import site: + tests/coverage-fixtures/node-islands/main.ts:7:1 + copy and handle decisions per boundary site come with compiler-managed islands + carries ni-dep \ No newline at end of file diff --git a/tests/harness/__snapshots__/coverage-node-islands-user-js.txt b/tests/harness/__snapshots__/coverage-node-islands-user-js.txt new file mode 100644 index 000000000..0898e19ba --- /dev/null +++ b/tests/harness/__snapshots__/coverage-node-islands-user-js.txt @@ -0,0 +1,36 @@ +scriptc coverage tests/coverage-fixtures/node-islands-user-js.cjs + + statements analyzed 13 + compile statically 10 (76%) + in dynamic tier 10 (operate on values typed only at runtime; --explain-dynamic lists them) + (1 function not analyzed — signature blocked; their statements count as not static) + + runs at startup 1 site (JS statements in module top-level code, which runs when the module loads) + ×1 SC2004 uses of 'legacy' inherit the blocker on its declaration + at tests/coverage-fixtures/node-islands-user-js.cjs:22:57 + hint: the declaration of 'legacy' did not compile — fix the diagnostic reported there and these sites clear with it + + deferred to runtime 1 site (JS statements that throw their fence if executed) + ×1 SC1090 parameterized 'arguments' outside an ES module (sloppy-mode parameter aliases) + at tests/coverage-fixtures/node-islands-user-js.cjs:15:1 + hint: this form is valid TypeScript but does not compile yet — rewrite it with a supported equivalent of the construct the message names (https://scriptc.dev/limitations lists the boundary) + + blockers: + ×1 SC8101 A write of 'Point.prototype.norm' needs a mutable JavaScript object model, which native code does not have + at tests/coverage-fixtures/node-islands-user-js.cjs:7:1 + hint: rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules + ×1 SC8101 'new Point()' of a function needs a mutable JavaScript object model, which native code does not have + at tests/coverage-fixtures/node-islands-user-js.cjs:22:13 + hint: rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules + ×1 SC8102 'Object.setPrototypeOf()' needs a mutable JavaScript object model, which native code does not have + at tests/coverage-fixtures/node-islands-user-js.cjs:12:1 + hint: rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules + ×1 SC8103 'Object.defineProperty()' needs a mutable JavaScript object model, which native code does not have + at tests/coverage-fixtures/node-islands-user-js.cjs:14:1 + hint: rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules + ×1 SC8104 A write to 'arguments[i]' in sloppy mode needs a mutable JavaScript object model, which native code does not have + at tests/coverage-fixtures/node-islands-user-js.cjs:16:3 + hint: rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules + ×1 SC8105 A write of 'Array.prototype.last' needs a mutable JavaScript object model, which native code does not have + at tests/coverage-fixtures/node-islands-user-js.cjs:19:1 + hint: rewrite it as a class or typed object, or mark this module as a Node island in scriptc.nodeIslands.modules \ No newline at end of file diff --git a/tests/harness/__snapshots__/coverage-node-islands.txt b/tests/harness/__snapshots__/coverage-node-islands.txt new file mode 100644 index 000000000..e94ad3560 --- /dev/null +++ b/tests/harness/__snapshots__/coverage-node-islands.txt @@ -0,0 +1,39 @@ +scriptc coverage tests/coverage-fixtures/node-islands/main.ts + + statements analyzed 29 + compile statically 27 (93%) + in dynamic tier 17 (operate on values typed only at runtime; --explain-dynamic lists them) + + npm package compilation: + ni-bundled refused (its shipped JS carries build-transform markers (bundled/transpiled dist)) + ni-gap static + ni-eval static + ni-ctor static + ni-typed static + ni-dep static + + Node islands (would-be, report-only: the build is unchanged; --node-islands=auto) + gap ni-gap@1.0.0 + tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.js:7:17: SC1090: a builtin function alias as an escaping value (call 'ext' directly) is not supported yet + runtime ni-eval@1.0.0 + tests/coverage-fixtures/node-islands/node_modules/ni-eval/index.js:4:10: R1.1 code from strings: new Function() + object-model ni-ctor@1.0.0 + tests/coverage-fixtures/node-islands/node_modules/ni-ctor/index.js:9:1: R2.1 constructor functions: a write of 'Counter.prototype.add' + +1 more reason in 1 module; carries ni-dep + packaging ni-bundled@1.0.0 + SC2013: its shipped JS carries build-transform markers (bundled/transpiled dist) + reached from native code and from an island: ni-typed + hint: scriptc coverage --explain-island= lists every reason + + deferred to runtime 1 site (JS statements that throw their fence if executed) + ×1 SC1090 a builtin function alias as an escaping value (call 'ext' directly) + at tests/coverage-fixtures/node-islands/node_modules/ni-gap/index.js:7:17 + hint: this form is valid TypeScript but does not compile yet — rewrite it with a supported equivalent of the construct the message names (https://scriptc.dev/limitations lists the boundary) + + blockers: + ×2 SC2013 cannot compile npm package 'ni-bundled' statically: its implementation is not part of the compiled module graph + at tests/coverage-fixtures/node-islands/main.ts:8:1, tests/coverage-fixtures/node-islands/main.ts:16:13 + hint: use a dependency with supported source, or replace the unsupported operation; scriptc has no interpreter fallback + ×1 SC2013 cannot compile npm package 'ni-bundled' statically: its shipped JS carries build-transform markers (bundled/transpiled dist) + at tests/coverage-fixtures/node-islands/main.ts:8:1 + hint: to compile it anyway, name it with --npm-static=ni-bundled (or --npm-static=ni-bundled... to include its dependencies) \ No newline at end of file diff --git a/tests/harness/code-quality.test.ts b/tests/harness/code-quality.test.ts index deff9afe0..9a683e50a 100644 --- a/tests/harness/code-quality.test.ts +++ b/tests/harness/code-quality.test.ts @@ -93,7 +93,7 @@ test("IR imports and the explicit parser islands remain usable", () => { source( work, "packages/compiler/src/frontend/lowering/probe.ts", - 'export { LIB_FN_SIGS } from "../../ir/builtin-signatures.js";\nexport { STR_INTRINSIC_SIGS } from "../../ir/intrinsic-signatures.js";\n', + 'export { libFnSignatures } from "../../ir/builtin-signatures.js";\nexport { STR_INTRINSIC_SIGS } from "../../ir/intrinsic-signatures.js";\n', ); source( work, diff --git a/tests/harness/corpus-costs/7160-json-parse-deep-unions.ts.json b/tests/harness/corpus-costs/7160-json-parse-deep-unions.ts.json new file mode 100644 index 000000000..5d8e97d52 --- /dev/null +++ b/tests/harness/corpus-costs/7160-json-parse-deep-unions.ts.json @@ -0,0 +1 @@ +{ "plain": 11054, "san": 84858 } diff --git a/tests/harness/corpus-costs/7161-dynamic-values-deep-unions.ts.json b/tests/harness/corpus-costs/7161-dynamic-values-deep-unions.ts.json new file mode 100644 index 000000000..bf9a71561 --- /dev/null +++ b/tests/harness/corpus-costs/7161-dynamic-values-deep-unions.ts.json @@ -0,0 +1 @@ +{ "plain": 5843, "san": 57446 } diff --git a/tests/harness/corpus-costs/7753-typed-array-named-properties.js.json b/tests/harness/corpus-costs/7753-typed-array-named-properties.js.json new file mode 100644 index 000000000..9ed866538 --- /dev/null +++ b/tests/harness/corpus-costs/7753-typed-array-named-properties.js.json @@ -0,0 +1 @@ +{ "plain": 3900, "san": 4400 } diff --git a/tests/harness/corpus-costs/8000-optional-element-arrays-share-storage.ts.json b/tests/harness/corpus-costs/8000-optional-element-arrays-share-storage.ts.json new file mode 100644 index 000000000..b3db55643 --- /dev/null +++ b/tests/harness/corpus-costs/8000-optional-element-arrays-share-storage.ts.json @@ -0,0 +1 @@ +{ "plain": 6206, "san": 8487 } diff --git a/tests/harness/corpus-costs/8001-optional-element-writers.ts.json b/tests/harness/corpus-costs/8001-optional-element-writers.ts.json new file mode 100644 index 000000000..31695bc47 --- /dev/null +++ b/tests/harness/corpus-costs/8001-optional-element-writers.ts.json @@ -0,0 +1 @@ +{ "plain": 3690, "san": 4000 } diff --git a/tests/harness/corpus-costs/8004-optional-element-conversions.ts.json b/tests/harness/corpus-costs/8004-optional-element-conversions.ts.json new file mode 100644 index 000000000..9f8eb9e05 --- /dev/null +++ b/tests/harness/corpus-costs/8004-optional-element-conversions.ts.json @@ -0,0 +1 @@ +{ "plain": 4882, "san": 6379 } diff --git a/tests/harness/corpus-costs/8006-buffer-base64-decode.ts.json b/tests/harness/corpus-costs/8006-buffer-base64-decode.ts.json new file mode 100644 index 000000000..88f85d0aa --- /dev/null +++ b/tests/harness/corpus-costs/8006-buffer-base64-decode.ts.json @@ -0,0 +1 @@ +{ "plain": 3995, "san": 2236 } diff --git a/tests/harness/corpus-costs/8007-buffer-fill-swap-utf16le.ts.json b/tests/harness/corpus-costs/8007-buffer-fill-swap-utf16le.ts.json new file mode 100644 index 000000000..2c773a1b8 --- /dev/null +++ b/tests/harness/corpus-costs/8007-buffer-fill-swap-utf16le.ts.json @@ -0,0 +1 @@ +{ "plain": 4406, "san": 2190 } diff --git a/tests/harness/corpus-costs/8181-map-get-borrows.ts.json b/tests/harness/corpus-costs/8181-map-get-borrows.ts.json new file mode 100644 index 000000000..d5d1c5f65 --- /dev/null +++ b/tests/harness/corpus-costs/8181-map-get-borrows.ts.json @@ -0,0 +1 @@ +{ "plain": 2500, "san": 3500 } diff --git a/tests/harness/coverage.test.ts b/tests/harness/coverage.test.ts index bcb575982..fde16a901 100644 --- a/tests/harness/coverage.test.ts +++ b/tests/harness/coverage.test.ts @@ -5,10 +5,12 @@ import { join } from "node:path"; import { expect, test } from "vitest"; import { analyze, + compile, coverageEnvelope, coveragePasses, renderCoverage, renderExplainDynamic, + renderExplainIsland, } from "@scriptc/compiler"; import { shardSelect, shardSuffix } from "./shard.js"; @@ -855,6 +857,119 @@ test("a cycle whose top level calls a builtin with a builtin function value is a expect(out).toContain("statements analyzed"); }); +test("Node islands (report-only): one package per class, gap islands first", async () => { + // ni-gap (a fence inside the native subset), ni-eval (new Function), + // ni-ctor (a constructor function, carrying ni-dep), ni-bundled (not + // compilable as shipped), ni-typed (native, also reached from ni-ctor). + const entry = fixture("node-islands/main.ts"); + await expect(report(entry)).toMatchFileSnapshot("__snapshots__/coverage-node-islands.txt"); + const { coverage, sourceTexts } = analyze(entry); + const islands = coverage.nodeIslands!; + expect(islands.islands.map((i) => [i.package, i.class])).toEqual([ + ["ni-gap", "gap"], + ["ni-eval", "runtime"], + ["ni-ctor", "object-model"], + ["ni-bundled", "packaging"], + ]); + expect(islands.packages.map((p) => [p.package, p.status, p.islands])).toEqual([ + ["ni-dep", "inside", ["ni-ctor"]], + ["ni-typed", "shared", ["ni-ctor"]], + ]); + await expect( + renderExplainIsland(coverage.nodeIslands, "ni-ctor", { sourceTexts, root: repoRoot }), + ).toMatchFileSnapshot("__snapshots__/coverage-node-islands-explain.txt"); + expect(renderExplainIsland(coverage.nodeIslands, "ni-dep", { root: repoRoot })).toContain( + "only ni-ctor imports it", + ); + // The machine-readable form carries the same decisions. + const envelope = coverageEnvelope(coverage, { compilerVersion: "test", sourceTexts }); + expect(envelope.nodeIslands?.mode).toBe("would-be"); + expect(envelope.nodeIslands?.islands.map((i) => [i.package, i.class, i.at?.line])).toEqual([ + ["ni-gap", "gap", 7], + ["ni-eval", "runtime", 4], + ["ni-ctor", "object-model", 9], + ["ni-bundled", "packaging", undefined], + ]); + // The gates: the blocker gate is today's build (which refuses + // ni-bundled with SC2013, and nothing else); the island gates fail on + // the would-be islands. + expect(coverage.diagnostics.every((d) => d.code === "SC2013")).toBe(true); + expect(coveragePasses(coverage, "island-gaps")).toBe(false); + expect(coveragePasses(coverage, "node-islands")).toBe(false); +}); + +test("unknown scriptc settings warn in a build and make the island report unavailable", async () => { + const entry = fixture("node-islands-config/main.ts"); + const outDir = mkdtempSync(join(tmpdir(), "scriptc-island-config-")); + try { + const built = await compile(entry, { + outputKind: "ir", + outPath: join(outDir, "main.ir.json"), + outDir, + }); + expect(built.ok).toBe(true); + if (!built.ok) return; + expect((built.warnings ?? []).map((d) => [d.code, d.message])).toEqual([ + ["SC8004", `package.json 'scriptc.packages.encoding' has the unknown value "unloded"`], + ["SC8004", `package.json 'scriptc.packages.debug.run' has the unknown value "island"`], + ["SC8004", `package.json 'scriptc.nodeIslands.auto' must be true or false, not "yes"`], + ["SC8004", "package.json 'scriptc.nodeIslands.mode' is not a known Node island setting"], + ]); + } finally { + rmSync(outDir, { recursive: true, force: true }); + } + const { coverage } = analyze(entry); + expect(coverage.nodeIslands).toBeUndefined(); + expect(renderCoverage({ ...coverage, file: "main.ts" }, { root: repoRoot })).toContain( + "not analyzable: the project's scriptc configuration has 4 unknown settings", + ); +}); + +test("Node island policy from the command line: native, forced, off", () => { + const entry = fixture("node-islands/main.ts"); + const forced = analyze(entry, { + nodeIslands: { native: ["ni-eval"], islands: ["ni-typed", "not-a-dependency"] }, + }).coverage.nodeIslands!; + expect(forced.islands.map((i) => [i.package, i.class, i.decision])).toEqual([ + ["ni-gap", "gap", "auto"], + ["ni-ctor", "object-model", "auto"], + ["ni-bundled", "packaging", "auto"], + ["ni-typed", "marked", "cli"], + ]); + expect(forced.violations.map((v) => v.code)).toEqual(["SC8003"]); + expect(forced.unknownPackages).toEqual(["not-a-dependency"]); + const off = analyze(entry, { nodeIslands: { mode: "off" } }).coverage; + expect(off.nodeIslands!.islands).toEqual([]); + expect(off.nodeIslands!.violations.map((v) => v.code)).toEqual([ + "SC8002", + "SC8002", + "SC8002", + "SC8002", + ]); + expect(coveragePasses(off, "island-gaps")).toBe(false); +}); + +test("--strict-user-js reports R2 constructs in user JavaScript as SC8101–SC8105", async () => { + const entry = fixture("node-islands-user-js.cjs"); + // Without the flag the user module is not part of any island report. + expect(analyze(entry).coverage.nodeIslands).toBeUndefined(); + const { coverage } = analyze(entry, { nodeIslands: { strictUserJs: true } }); + expect(coverage.diagnostics.map((d) => d.code).filter((c) => c.startsWith("SC81"))).toEqual([ + "SC8101", + "SC8102", + "SC8103", + "SC8104", + "SC8105", + "SC8101", + ]); + await expect( + renderCoverage( + { ...coverage, file: coverage.file.replace(repoRoot + "/", "") }, + { root: repoRoot }, + ), + ).toMatchFileSnapshot("__snapshots__/coverage-node-islands-user-js.txt"); +}); + test(`every corpus program is 100% static (corpus and coverage agree${shardSuffix()})`, async () => { // The differential corpus compiles by definition; coverage must agree. diff --git a/tests/harness/dyncheck.test.ts b/tests/harness/dyncheck.test.ts index a0c43cd0c..e1a869048 100644 --- a/tests/harness/dyncheck.test.ts +++ b/tests/harness/dyncheck.test.ts @@ -516,6 +516,216 @@ console.log("unreachable", t.label); ); }); + test("nested unions: a failure inside a matched arm names the union that holds it", async () => { + // A union's builder converts the arm that matched; the unions nested in + // it pick their arms by literal or by the kind of value only one arm + // takes. A value that fails anywhere below fails its outermost union, + // whose arms the message names. + const r = await compileAndRun( + "deep-discriminated", + `type Expr = + | { kind: "num"; value: number } + | { kind: "str"; text: string } + | { kind: "add"; left: Expr; right: Expr } + | { kind: "call"; callee: string; args: Expr[] } + | { kind: "neg"; operand: Expr } + | { kind: "opt"; inner: Expr | undefined; label?: string }; +type Stmt = + | { kind: "expr"; expr: Expr } + | { kind: "ret"; value: Expr | null } + | { kind: "block"; body: Stmt[] }; +type Fn = { name: string; body: Stmt[] }; + +function attempt(label: string, text: string, as: "expr" | "stmt" | "fn" | "list"): void { + try { + if (as === "expr") { + const e = JSON.parse(text) as Expr; + console.log(label, "ok", e.kind); + } else if (as === "stmt") { + const s = JSON.parse(text) as Stmt; + console.log(label, "ok", s.kind); + } else if (as === "fn") { + const f = JSON.parse(text) as Fn; + console.log(label, "ok", f.name, f.body.length); + } else { + const l = JSON.parse(text) as Expr[]; + console.log(label, "ok", l.length); + } + } catch (e) { + console.log(label, "error", (e as Error).message); + } +} + +const deep = (leaf: string, depth: number): string => { + let s = leaf; + for (let i = 0; i < depth; i++) s = \`{"kind":"neg","operand":\${s}}\`; + return s; +}; +attempt("valid", deep('{"kind":"num","value":1}', 20), "expr"); +attempt("deep wrong field", deep('{"kind":"num","value":"x"}', 5), "expr"); +attempt("deep unknown kind", deep('{"kind":"nope","value":1}', 5), "expr"); +attempt("deep string node", deep('"text"', 5), "expr"); +attempt("deep missing field", deep('{"kind":"add","left":{"kind":"num","value":1}}', 4), "expr"); +attempt("deep array arg", deep('{"kind":"call","callee":"f","args":[{"kind":"num","value":1},{"kind":"str","text":2}]}', 3), "expr"); +attempt("optional inner", deep('{"kind":"opt","inner":{"kind":"num","value":true}}', 3), "expr"); +attempt("optional label", deep('{"kind":"opt","inner":{"kind":"num","value":1},"label":3}', 3), "expr"); +attempt("stmt deep", '{"kind":"block","body":[{"kind":"expr","expr":' + deep('{"kind":"num","value":null}', 3) + '}]}', "stmt"); +attempt("ret null", '{"kind":"ret","value":null}', "stmt"); +attempt("fn deep", '{"name":"f","body":[{"kind":"ret","value":' + deep('{"kind":"str","text":5}', 4) + '}]}', "fn"); +attempt("list element", '[{"kind":"num","value":1},' + deep('{"kind":"num"}', 2) + "]", "list"); +attempt("kind not string", deep('{"kind":3,"value":1}', 2), "expr"); +attempt("valid list", '[' + deep('{"kind":"num","value":1}', 3) + ',{"kind":"str","text":"t"}]', "list"); + +type Box = { value: number; child?: Box; rest: Box[] | null }; +function box(label: string, text: string): void { + try { + const b = JSON.parse(text) as Box; + console.log(label, "ok", b.value); + } catch (e) { + console.log(label, "error", (e as Error).message); + } +} +box("box valid", '{"value":1,"rest":null,"child":{"value":2,"rest":[{"value":3,"rest":null}]}}'); +box("box deep child", '{"value":1,"rest":null,"child":{"value":2,"rest":null,"child":{"value":"x","rest":null}}}'); +box("box deep rest", '{"value":1,"rest":[{"value":2,"rest":[{"value":3,"rest":[1]}]}]}'); +box("box child array", '{"value":1,"rest":null,"child":[]}'); +`, + ); + expect(r.exitCode).toBe(0); + expect(r.stdout.trimEnd().split("\n")).toEqual([ + "valid ok neg", + "deep wrong field error expected object | object | object | object | object | object at $, got object", + "deep unknown kind error expected object | object | object | object | object | object at $, got object", + "deep string node error expected object | object | object | object | object | object at $, got object", + "deep missing field error expected object | object | object | object | object | object at $, got object", + "deep array arg error expected object | object | object | object | object | object at $, got object", + "optional inner error expected object | object | object | object | object | object at $, got object", + "optional label error expected object | object | object | object | object | object at $, got object", + "stmt deep error expected object | object | object at $, got object", + "ret null ok ret", + "fn deep error expected object | object | object at $.body[0], got object", + "list element error expected object | object | object | object | object | object at $[1], got object", + "kind not string error expected object | object | object | object | object | object at $, got object", + "valid list ok 2", + "box valid ok 1", + "box deep child error expected number at $.child.child.value, got string", + "box deep rest error expected object at $.rest[0].rest[0].rest[0], got number", + "box child array error expected object | undefined at $.child, got array", + ]); + }); + + test("nested unions: a value a getter returns while building is matched in full", async () => { + // The getter answers a valid node while the arm matches and a wrong one + // while it builds. The builder matches the second answer in full, so the + // failure names the union that holds it, as without the arm's match. + const r = await compileAndRun( + "deep-discriminated-getter", + `type Expr = + | { kind: "num"; value: number } + | { kind: "str"; text: string } + | { kind: "neg"; operand: Expr } + | { kind: "add"; left: Expr; right: Expr }; +const v = JSON.parse('{"kind":"neg"}') as unknown; +let calls = 0; +Object.defineProperty(v, "operand", { + enumerable: true, + get() { + calls++; + return calls === 1 ? JSON.parse('{"kind":"num","value":1}') : JSON.parse('{"kind":"num","value":"x"}'); + }, +}); +try { + const e = v as Expr; + console.log("ok", JSON.stringify(e)); +} catch (err) { + console.log((err as Error).message); +} +console.log("getter calls", calls); +`, + ); + expect(r.exitCode).toBe(0); + expect(r.stdout.trimEnd().split("\n")).toEqual([ + "expected object | object | object | object at $.operand, got object", + "getter calls 2", + ]); + }); + + test("nested unions: a getter's value in a non-recursive union's build is matched in full", async () => { + // A union without recursion builds without a visit session. The getter + // still runs user code during the trusted build, so the nested union + // matches its second answer in full, and the failure names that union. + const r = await compileAndRun( + "flat-discriminated-getter", + `type Inner = { tag: "x"; n: number } | { tag: "y"; s: string }; +type Outer = { kind: "a"; inner: Inner } | { kind: "b"; other: number }; +const v = JSON.parse('{"kind":"a"}') as unknown; +let calls = 0; +Object.defineProperty(v, "inner", { + enumerable: true, + get() { + calls++; + return calls === 1 ? JSON.parse('{"tag":"x","n":1}') : JSON.parse('{"tag":"x","n":"bad"}'); + }, +}); +try { + const o = v as Outer; + console.log("ok", JSON.stringify(o)); +} catch (err) { + console.log((err as Error).message); +} +console.log("getter calls", calls); +const plain = JSON.parse('{"kind":"a","inner":{"tag":"y","s":"z"}}') as Outer; +console.log(JSON.stringify(plain)); +`, + ); + expect(r.exitCode).toBe(0); + expect(r.stdout.trimEnd().split("\n")).toEqual([ + "expected object | object at $.inner, got object", + "getter calls 2", + '{"kind":"a","inner":{"tag":"y","s":"z"}}', + ]); + }); + + test("nested unions: a getter that converts a recursive union keeps a non-recursive build untrusted", async () => { + // The getter converts a recursive union, which opens and ends a visit + // session of its own, before it answers. The outer build still matches + // the getter's second answer in full, and the failure names that union. + const r = await compileAndRun( + "flat-discriminated-getter-session", + `type Tree = { kind: "leaf"; n: number } | { kind: "node"; left: Tree; right: Tree }; +type Inner = { tag: "x"; n: number } | { tag: "y"; s: string }; +type Outer = { kind: "a"; inner: Inner } | { kind: "b"; other: number }; +const v = JSON.parse('{"kind":"a"}') as unknown; +let calls = 0; +let leaves = 0; +Object.defineProperty(v, "inner", { + enumerable: true, + get() { + calls++; + const t = JSON.parse('{"kind":"node","left":{"kind":"leaf","n":1},"right":{"kind":"leaf","n":2}}') as Tree; + if (t.kind === "node") leaves += 2; + return calls === 1 ? JSON.parse('{"tag":"x","n":1}') : JSON.parse('{"tag":"x","n":"bad"}'); + }, +}); +try { + const o = v as Outer; + console.log("ok", JSON.stringify(o)); +} catch (err) { + console.log((err as Error).message); +} +console.log("getter calls", calls, "leaves", leaves); +const plain = JSON.parse('{"kind":"a","inner":{"tag":"y","s":"z"}}') as Outer; +console.log(JSON.stringify(plain)); +`, + ); + expect(r.exitCode).toBe(0); + expect(r.stdout.trimEnd().split("\n")).toEqual([ + "expected object | object at $.inner, got object", + "getter calls 2 leaves 4", + '{"kind":"a","inner":{"tag":"y","s":"z"}}', + ]); + }); + test("array where a record is expected names the mismatch at the root", async () => { const r = await compileAndRun( "root-kind", diff --git a/tests/harness/fetch-conformance-program.ts b/tests/harness/fetch-conformance-program.ts index 0858f5bfe..322443e73 100644 --- a/tests/harness/fetch-conformance-program.ts +++ b/tests/harness/fetch-conformance-program.ts @@ -429,7 +429,7 @@ export function generateFetchConformanceProgram( const traceCount = options.traceCount ?? 12; const scenarios = generatedScenarioIds(profile); const sections: string[] = [ - `// Generated from NODE24_FETCH_COMPAT_PROFILE. Seed: 0x${seed.toString(16)}.`, + `// Generated from node24FetchCompatProfile(). Seed: 0x${seed.toString(16)}.`, ]; for (const scenario of scenarios) { if (!Object.hasOwn(SCENARIO_GENERATORS, scenario)) { diff --git a/tests/harness/fetch-conformance.test.ts b/tests/harness/fetch-conformance.test.ts index 5b6d62f08..abeac58ae 100644 --- a/tests/harness/fetch-conformance.test.ts +++ b/tests/harness/fetch-conformance.test.ts @@ -17,7 +17,7 @@ import { promisify } from "node:util"; import { beforeAll, describe, expect, test } from "vitest"; import { compile, - NODE24_FETCH_COMPAT_PROFILE, + node24FetchCompatProfile, renderDiagnostics, type FetchCompatEvidence, } from "@scriptc/compiler"; @@ -32,7 +32,7 @@ const execFileAsync = promisify(execFile); const repoRoot = join(import.meta.dirname, "../.."); const fixturesRoot = join(repoRoot, "tests/fixtures/fetch"); const sanitize = process.env["SCRIPTC_SAN"] === "1"; -const profile = NODE24_FETCH_COMPAT_PROFILE; +const profile = node24FetchCompatProfile(); function configuredInteger(name: string, fallback: number, maximum: number): number { const raw = process.env[name]; if (raw === undefined || raw === "") return fallback; diff --git a/tests/harness/self-hosting-native-toolchain.test.ts b/tests/harness/self-hosting-native-toolchain.test.ts index 8470ce04e..db1faab9b 100644 --- a/tests/harness/self-hosting-native-toolchain.test.ts +++ b/tests/harness/self-hosting-native-toolchain.test.ts @@ -9,6 +9,10 @@ import { nativeCodegenTarget } from "../../packages/compiler/src/backend/targets import type { NativeLinkFeatures } from "../../packages/compiler/src/backend/native-link-info.js"; import type { RuntimePackManifest } from "../../packages/compiler/src/backend/runtime-pack-core.js"; import type { NativeToolchainManifest } from "../../packages/compiler/src/native/toolchain.js"; +import { + RUNTIME_ABI_MARKER, + RUNTIME_ABI_VERSION, +} from "../../packages/compiler/src/backend/runtime-abi.js"; const root = join(import.meta.dirname, "../.."); const entry = join(root, "tests/fixtures/self-hosting/native-toolchain.ts"); @@ -110,7 +114,7 @@ for (const backend of ["llvm"] as const) { object_format: target.objectFormat, minimum_os: target.minimumOs, }, - runtime_abi: { version: 43, marker: "scr_runtime_abi_v43" }, + runtime_abi: { version: RUNTIME_ABI_VERSION, marker: RUNTIME_ABI_MARKER }, compiler: { command: "fixture", identity: "fixture", target: target.llvmTriple }, macros: { executable: [], excluded: [], sanitizer: "external-toolchain-required" }, flavors: { diff --git a/tests/harness/string-compare-emission.test.ts b/tests/harness/string-compare-emission.test.ts new file mode 100644 index 000000000..b4219853e --- /dev/null +++ b/tests/harness/string-compare-emission.test.ts @@ -0,0 +1,63 @@ +/* String comparison emission: the runtime calls behind a relational string + * operator only read the two strings, so LLVM merges the comparisons of one + * pair. A three-way comparator (`a < b ? -1 : a > b ? 1 : 0`) then compares + * its strings once, as a comparator that tests one operator does. */ +import { createHash } from "node:crypto"; +import { mkdirSync, readFileSync, writeFileSync } from "node:fs"; +import { join } from "node:path"; +import { expect, test } from "vitest"; +import { compile } from "@scriptc/compiler"; + +const repoRoot = join(import.meta.dirname, "../.."); +const cacheDir = join(repoRoot, "node_modules/.cache/scriptc-tests"); + +async function emittedAsm(name: string, source: string, target: string): Promise { + const key = createHash("sha256").update(target).update(source).digest("hex").slice(0, 16); + const outDir = join(cacheDir, `string-compare-${key}`); + mkdirSync(outDir, { recursive: true }); + const file = join(outDir, `${name}.ts`); + writeFileSync(file, source); + const saved = process.env["SCRIPTC_TARGET"]; + if (target === "host") delete process.env["SCRIPTC_TARGET"]; + else process.env["SCRIPTC_TARGET"] = target; + const result = await compile(file, { + outPath: join(outDir, name), + outDir, + backend: "llvm", + outputKind: "asm", + }).finally(() => { + if (saved === undefined) delete process.env["SCRIPTC_TARGET"]; + else process.env["SCRIPTC_TARGET"] = saved; + }); + if (!result.ok) + throw new Error(result.diagnostics.map((d) => `${d.code}: ${d.message}`).join("\n")); + return readFileSync(result.artifact.path, "utf8"); +} + +const program = (body: string): string => `function order(a: string, b: string): number { + return ${body}; +} +const words = process.argv.slice(2); +words.sort(order); +console.log(words.join(",")); +`; + +// Calls to the comparison runtime: `call`/`callq` on x86-64 and `bl` on +// AArch64, with Mach-O's leading underscore on macOS. +const compareCalls = (asm: string): number => + asm.match(/\b(?:call[a-z]*|bl)\s+_?(?:sc_str_cmp_u16|scr_str_cmp_u16_bytes|scr_str_cmp)\b/g) + ?.length ?? 0; + +// The host's assembly, and two other targets' so that every host checks the +// x86-64, AArch64 and Mach-O spellings. +test.each(["host", "aarch64-linux-gnu", "x86_64-macos"])( + "a three-way string comparator compares its pair once (%s)", + async (target) => { + const once = compareCalls(await emittedAsm("once", program("a < b ? -1 : 1"), target)); + const both = compareCalls( + await emittedAsm("both", program("a < b ? -1 : a > b ? 1 : 0"), target), + ); + expect(once).toBeGreaterThan(0); + expect(both).toBe(once); + }, +); diff --git a/tests/harness/surface-manifest.test.ts b/tests/harness/surface-manifest.test.ts index 58958c102..8a838aac6 100644 --- a/tests/harness/surface-manifest.test.ts +++ b/tests/harness/surface-manifest.test.ts @@ -6,7 +6,7 @@ import { analyze, generateSurfaceManifest, ir, - LIB_FN_SIGS, + libFnSignatures, renderSurfaceManifest, resolveLibraryFences, type SurfaceManifest, @@ -563,7 +563,7 @@ describe("determinism attestation ↔ fence parity", () => { // initializer is the Date expression the fences witness. "date.fromTime", ]); - const missing = Object.keys(LIB_FN_SIGS).filter( + const missing = Object.keys(libFnSignatures()).filter( (fn) => ir.LIB_NONDETERMINISTIC_PREFIXES.some(([prefix]) => fn.startsWith(prefix)) && !covered.has(fn) && @@ -571,7 +571,7 @@ describe("determinism attestation ↔ fence parity", () => { ); expect( missing, - "attestation-demoting spellings no declarable fence can deny — add a manifest projection (AMBIENT_SURFACE_FNS) or a member alias (BUILTIN_MODULE_FN_ALIASES)", + "attestation-demoting spellings no declarable fence can deny — add a manifest projection (ambientSurfaceFns()) or a member alias (BUILTIN_MODULE_FN_ALIASES)", ).toEqual([]); // The excuse list stays honest in the other direction too: an excused // spelling that gains detector coverage must leave the list. diff --git a/tests/harness/typed-array-property-refusals.test.ts b/tests/harness/typed-array-property-refusals.test.ts new file mode 100644 index 000000000..b2d6d498a --- /dev/null +++ b/tests/harness/typed-array-property-refusals.test.ts @@ -0,0 +1,64 @@ +import { execFile } from "node:child_process"; +import { mkdtempSync, writeFileSync } from "node:fs"; +import { tmpdir } from "node:os"; +import { join } from "node:path"; +import { promisify } from "node:util"; +import { expect, test } from "vitest"; +import { compile } from "@scriptc/compiler"; + +const execFileAsync = promisify(execFile); + +// The runtime's conversions, iteration and printing of a typed array, Buffer +// or DataView read these members from the prototype, so defining one on the +// view refuses with a catchable error instead of being ignored. +test("typed array members the runtime reads from the prototype refuse as own properties", async () => { + const outDir = mkdtempSync(join(tmpdir(), "scriptc-typed-array-refusals-")); + const entry = join(outDir, "main.mjs"); + writeFileSync( + entry, + ` +function attempt(define) { + try { define(); console.log("defined"); } catch (error) { console.log(error.name, error.message); } +} +function run(TA, view) { + const a = new TA(2); + attempt(() => { a.toString = () => "x"; }); + attempt(() => { a.valueOf = () => 1; }); + attempt(() => Object.defineProperty(a, "toJSON", { value: () => 1 })); + attempt(() => { a.join = () => ""; }); + attempt(() => { a[Symbol.iterator] = function* () {}; }); + attempt(() => { a[Symbol.for("nodejs.util.inspect.custom")] = () => "x"; }); + attempt(() => { view.toLocaleString = () => ""; }); + attempt(() => { a.label = "kept"; }); + console.log(a.label, String(a)); +} +run(Uint8Array, new DataView(new ArrayBuffer(1))); +`, + ); + const result = await compile(entry, { + backend: "llvm", + sanitize: process.env["SCRIPTC_SAN"] === "1", + outDir, + outPath: join(outDir, "program"), + }); + expect(result.ok, JSON.stringify(result.diagnostics)).toBe(true); + if (!result.ok) return; + const { stdout, stderr } = await execFileAsync(result.binaryPath, [], { encoding: "utf8" }); + const refused = (key: string): string => + `Error defining ${key} on a typed array, Buffer or DataView is not supported yet`; + expect(stdout).toBe( + [ + refused("toString"), + refused("valueOf"), + refused("toJSON"), + refused("join"), + refused("Symbol(Symbol.iterator)"), + refused("Symbol(nodejs.util.inspect.custom)"), + refused("toLocaleString"), + "defined", + "kept 0,0", + "", + ].join("\n"), + ); + expect(stderr).toBe(""); +});