mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-02 08:35:07 +08:00
Chris Tate
b35c034666
- Remove C emission, debugging options, and automatic backend fallback. - Complete LLVM lowering and native bootstrap coverage across supported targets. - Link executables and libraries with precompiled C runtime packs, including iOS and Android.
69 lines
3.0 KiB
TypeScript
69 lines
3.0 KiB
TypeScript
import { execFile } from "node:child_process";
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import { existsSync } from "node:fs";
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import { createRequire } from "node:module";
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import { mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { dirname, join } from "node:path";
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import { promisify } from "node:util";
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import { afterEach, expect, test } from "vitest";
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const execFileAsync = promisify(execFile);
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const require = createRequire(import.meta.url);
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const repoRoot = join(import.meta.dirname, "../../..");
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const cliEntry = join(repoRoot, "packages/cli/src/main.ts");
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const tsxLoader = join(dirname(require.resolve("tsx/package.json")), "dist/loader.mjs");
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const helperPackage = require.resolve("@scriptc/llvm-darwin-arm64/package.json");
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const helper = join(dirname(helperPackage), "bin", "scriptc-llvm-codegen");
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const runtimePackage = require.resolve("@scriptc/runtime-wasm32-wasi/package.json");
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const runtimeManifest = join(dirname(runtimePackage), "runtime-pack.json");
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const supported = existsSync(helper) && existsSync(runtimeManifest);
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const dirs: string[] = [];
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afterEach(async () => {
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await Promise.all(dirs.splice(0).map((path) => rm(path, { recursive: true, force: true })));
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});
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test.runIf(supported)("WASI helper object plus runtime pack builds and runs without SCRIPTC_CC", async () => {
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const dir = await mkdtemp(join(tmpdir(), "scriptc-wasi-runtime-pack-"));
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dirs.push(dir);
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const output = join(dir, "hello.wasm");
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const zigCache = join(dir, "zig-cache");
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await expect(execFileAsync(process.execPath, [
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"--import", tsxLoader, cliEntry, "run", join(repoRoot, "tests/corpus/001-hello.ts"), "-o", output,
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], {
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env: {
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...process.env,
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SCRIPTC_TARGET: "wasm32-wasi",
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SCRIPTC_NO_CACHE: "1",
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ZIG_GLOBAL_CACHE_DIR: join(zigCache, "global"),
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ZIG_LOCAL_CACHE_DIR: join(zigCache, "local"),
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},
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encoding: "utf8",
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})).resolves.toMatchObject({ stdout: "hello world\n" });
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});
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test.runIf(supported)("switching WASI LLVM and native C builds preserves both translation units", async () => {
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const dir = await mkdtemp(join(tmpdir(), "scriptc-wasi-native-output-"));
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dirs.push(dir);
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const entry = join(dir, "hello.ts");
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const outDir = join(dir, ".scriptc");
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const nativeEnv = { ...process.env };
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delete nativeEnv.SCRIPTC_TARGET;
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const wasiEnv = { ...nativeEnv, SCRIPTC_TARGET: "wasm32-wasi" };
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const build = (args: string[], env: NodeJS.ProcessEnv) => execFileAsync(process.execPath, [
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"--import", tsxLoader, cliEntry, "build", entry, ...args,
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], { env, maxBuffer: 4 * 1024 * 1024 });
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await writeFile(entry, 'console.log("hello");\n');
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await build([], wasiEnv);
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const llvm = await readFile(join(outDir, "hello.ll"));
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const wasm = await readFile(join(outDir, "hello.wasm"));
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await build(["--backend=llvm", "--keep-llvm"], nativeEnv);
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const c = await readFile(join(outDir, "hello.c"));
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expect(await readFile(join(outDir, "hello.ll"))).toEqual(llvm);
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expect(await readFile(join(outDir, "hello.wasm"))).toEqual(wasm);
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await build([], wasiEnv);
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expect(await readFile(join(outDir, "hello.c"))).toEqual(c);
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});
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