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Malte UblandClaude Opus 5.5
e060eeae25
- A JavaScript generator whose inferred return is `any` (it delegates to itself) is a generator with checked-dynamic channels. - for await over a checked-dynamic value: a compiled async generator, the value's Symbol.asyncIterator result, or its synchronous iterator with awaited values; break and throws close it through an awaited return(). A value that is not iterable throws V8's TypeError. - yield* in async generators delegates through the same protocol and completes with the delegate's return value. The runtime part is a new unit, scr_dyn_for_await.c, linked only by programs that use it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
57 lines
2.2 KiB
TypeScript
57 lines
2.2 KiB
TypeScript
/** Runtime requirements derived from the lowered program, shared by compiler hosts. */
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import { type IrModule } from "../ir/ir.js";
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import { moduleRuntimeFeatures } from "../ir/runtime-features.js";
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import { hasForeignFfiCallback } from "./ffi-callbacks.js";
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import type { NativeLinkFeatures } from "./native-link-info.js";
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import { youngNurseryRequested } from "./young-nursery.js";
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export function executableLinkFeatures(mod: IrModule): NativeLinkFeatures {
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const features = moduleRuntimeFeatures(mod);
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return {
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...(mod.workers ? { workers: true } : {}),
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...(youngNurseryRequested() && mod.lib === undefined ? { youngNursery: true } : {}),
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regex: features.regex,
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copying: features.copying,
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textDecoderLegacy: features.legacyTextDecoder,
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fileHandle: features.fileHandle,
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fetch: features.fetch,
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...(features.eventTarget ? { eventTarget: true } : {}),
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...(features.wasm ? { wasm: true } : {}),
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...(features.warningReplace ? { warningReplace: true } : {}),
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...(features.stdioExtended ? { stdioExtended: true } : {}),
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zlib: features.zlib,
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assert: features.assert,
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inspect: features.inspect,
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dynInvoke: features.dynInvoke,
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dc: features.dc,
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dynAsync: features.dynAsync,
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...(features.dynTier ? { dynTier: true } : {}),
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...(features.streamDyn ? { streamDyn: true } : {}),
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...(features.dynForAwait ? { dynForAwait: true } : {}),
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...(features.eventsOnceSignal ? { eventsOnceSignal: true } : {}),
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events: features.processEvents,
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emitter: features.emitter,
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symbol: features.symbol,
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bigint: features.bigint,
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searchParams: features.searchParams,
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qs: features.qs,
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dynBuiltinClass: features.dynBuiltinClass,
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dynBuiltinStream: features.dynBuiltinStream,
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parseArgs: features.parseArgs,
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stream: features.stream,
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net: features.net,
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http: features.http,
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http2: features.http2,
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dgram: features.dgram,
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dnsPromises: features.dnsPromises,
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watch: features.fsWatch,
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foreignFfi: hasForeignFfiCallback(mod.ffiImports ?? []),
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nodeTest: features.nodeTest,
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tls: features.tls,
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tlsCa: features.tlsCa,
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cipher: features.cipher,
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webcrypto: features.webcrypto,
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perfLoop: features.perfLoop,
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};
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}
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