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const {
ArrayPrototypePush,
ArrayPrototypePushApply,
ArrayPrototypeSlice,
StringPrototypeSlice,
} = primordials;
const Buffer = require('buffer').Buffer;
const console = require('internal/console/global');
const vm = require('vm');
const { SourceTextModule } = require('internal/vm/module');
const natives = internalBinding('natives');
async function linker(specifier, referencingModule) {
// Transform "./file.mjs" to "file"
const file = StringPrototypeSlice(specifier, 2, -4);
const code = natives[`internal/deps/v8/tools/${file}`];
return new SourceTextModule(code, { context: referencingModule.context });
}
(async () => {
const tickArguments = [];
if (process.platform === 'darwin') {
ArrayPrototypePush(tickArguments, '--mac');
} else if (process.platform === 'win32') {
ArrayPrototypePush(tickArguments, '--windows');
}
ArrayPrototypePushApply(tickArguments,
ArrayPrototypeSlice(process.argv, 1));
const context = vm.createContext({
arguments: tickArguments,
write(s) { process.stdout.write(s); },
printErr(err) { console.error(err); },
console,
process,
Buffer,
});
const polyfill = natives['internal/v8_prof_polyfill'];
const script = `(function(module, require) {
${polyfill}
})`;
vm.runInContext(script, context)(module, require);
const tickProcessor = natives['internal/deps/v8/tools/tickprocessor-driver'];
const tickprocessorDriver = new SourceTextModule(tickProcessor, { context });
await tickprocessorDriver.link(linker);
await tickprocessorDriver.evaluate();
})();
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