mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-24 06:14:01 +08:00
Chris Tate
3f56576644
- Share frontend loading, package selection, contracts, and FFI parsing between Node and native clients. - Preserve collection layouts and optional method returns while lowering long nullish chains without recursive stack growth. - Rebuild the frontend from TypeScript through native lowering and C emission with matching output.
33 lines
1.6 KiB
TypeScript
33 lines
1.6 KiB
TypeScript
import { readFileSync, writeFileSync } from "node:fs";
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import { runFrontend } from "../../../packages/compiler/src/frontend/pipeline.js";
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import { loadProgram } from "../../../packages/compiler/src/frontend/program-node.js";
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import { loadFfiProfile, type FfiFunction } from "../../../packages/compiler/src/ffi/ffi-manifest.js";
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import { serializeModule } from "../../../packages/compiler/src/ir/serialize.js";
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import { validateModule } from "../../../packages/compiler/src/ir/validate.js";
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interface Request {
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entry: string;
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npmStatic?: string[] | "auto" | "lib";
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externalTypes?: Record<string, string>;
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ffiProfile?: string;
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contract?: boolean;
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}
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const request = JSON.parse(readFileSync(process.argv[3]!, "utf8")) as Request;
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let ffiImports: FfiFunction[] = [];
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if (request.ffiProfile) {
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const profile = loadFfiProfile(request.ffiProfile);
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if (!profile.ok) throw new Error(JSON.stringify(profile.diagnostics));
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ffiImports = profile.profile.functions;
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}
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const frontend = runFrontend(request.entry, loadProgram, request.npmStatic, request.externalTypes);
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try {
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console.log(JSON.stringify({ preflight: frontend.preflight, npmStatic: frontend.npmStatic }));
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if (frontend.preflight.length === 0) {
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if (request.contract) console.log(JSON.stringify(frontend.entryContract()));
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const result = frontend.lower({ dynamic: false, ffiImports });
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console.log(JSON.stringify({ stats: result.stats, diagnostics: result.diagnostics,
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validation: result.module === null ? null : validateModule(result.module) }));
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if (result.module && process.argv[4]) writeFileSync(process.argv[4], serializeModule(result.module));
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}
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} finally { frontend.dispose(); }
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