mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-23 06:10:02 +08:00
Chris Tate
7b007e03ef
- Run the production LLVM backend natively and reproduce its output across compiler generations. - Replace unchecked emitter contexts with explicit shared state and callback hosts. - Preserve NaN in serialized IR and respect optional record storage during spreads.
41 lines
1.5 KiB
TypeScript
41 lines
1.5 KiB
TypeScript
import { readFileSync, writeFileSync } from "node:fs";
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import { deserializeModule } from "../../../packages/compiler/src/ir/serialize.js";
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import { emitLlvmModule } from "../../../packages/compiler/src/backend/llvm/emitter.js";
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import { LlvmUnsupportedError } from "../../../packages/compiler/src/backend/llvm/unsupported.js";
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interface Request {
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targetTriple?: string;
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debug: boolean;
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sources: { file: string; text: string }[];
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pointerBits: 32 | 64;
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wasi: boolean;
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emitLibraryIdentity: boolean;
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runtimeAbiMarker: boolean;
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}
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const module = deserializeModule(readFileSync(process.argv[2]!, "utf8"));
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const request = JSON.parse(readFileSync(process.argv[4]!, "utf8")) as Request;
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const sources = new Map<string, string>();
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for (const source of request.sources) sources.set(source.file, source.text);
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try {
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const text = emitLlvmModule(module, {
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...(request.targetTriple === undefined ? {} : { targetTriple: request.targetTriple }),
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...(request.debug ? { debugSources: sources } : {}),
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pointerBits: request.pointerBits,
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wasi: request.wasi,
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emitLibraryIdentity: request.emitLibraryIdentity,
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runtimeAbiMarker: request.runtimeAbiMarker,
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});
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writeFileSync(process.argv[3]!, text);
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} catch (error) {
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if (error instanceof LlvmUnsupportedError) {
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console.log("unsupported: " + error.message);
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process.exitCode = 2;
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} else if (error instanceof Error) {
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console.log(error.name + ": " + error.message);
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process.exitCode = 1;
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} else {
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throw error;
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}
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}
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