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synced 2025-11-01 09:12:30 +00:00
Lauren Tan
9027117c4f
- Adds a shallow git submodule for test262 as the tests aren't available as an npm module - To run all tests: `yarn test262:all`. Note that this chunks up the tests by test262 folder as there are over 50k+ tests and the test harness only accepts arrays of filepaths which exceeds arg limits - To run a specific test: `yarn test262 test262/test/folder/file.js`. You can also pass globs which expand into an array of filepaths: `yarn test262 test262/test/folder/**/*.js` - More instructions for the test-harness can be found here: https://github.com/bterlson/test262-harness
62 lines
2.0 KiB
JavaScript
62 lines
2.0 KiB
JavaScript
const { argv } = require("node:process");
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const generate = require("@babel/generator").default;
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const parser = require("@babel/parser");
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const traverse = require("@babel/traverse").default;
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const { Environment } = require("../dist/HIR/HIRBuilder");
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const { lower } = require("../dist/HIR/BuildHIR");
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const codegen = require("../dist/HIR/Codegen").default;
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const enterSSA = require("../dist/HIR/EnterSSA").default;
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const { eliminateRedundantPhi } = require("../dist/HIR/EliminateRedundantPhi");
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const inferReferenceEffects =
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require("../dist/HIR/InferReferenceEffects").default;
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const { inferMutableRanges } = require("../dist/HIR/InferMutableLifetimes");
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const leaveSSA = require("../dist/HIR/LeaveSSA").default;
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const prettier = require("prettier");
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// Preprocessor that runs Forget on the test262 test prior to execution. Compilation errors short
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// circuit test execution and report an error immediately.
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module.exports = (test) => {
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try {
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let codegenText = null;
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// todo: replace with a better entrypoint
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const sourceAst = parser.parse(test.contents, {
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sourceFilename: test.file,
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plugins: ["jsx"],
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});
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traverse(sourceAst, {
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FunctionDeclaration: {
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enter(nodePath) {
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const env = new Environment();
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const ir = lower(nodePath, env);
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enterSSA(ir, env);
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eliminateRedundantPhi(ir);
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inferReferenceEffects(ir);
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inferMutableRanges(ir);
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leaveSSA(ir);
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const ast = codegen(ir);
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codegenText = prettier.format(
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generate(ast).code.replace("\n\n", "\n"),
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{
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semi: true,
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parser: "babel-ts",
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}
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);
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},
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},
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});
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if (codegenText != null) {
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test.contents = codegenText;
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} else {
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throw new Error("Codegen returned an empty string");
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}
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} catch (error) {
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test.result = {
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stderr: `${error.name}: ${error.message}\n`,
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stdout: "",
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error,
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};
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}
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return test;
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};
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