'use strict';

// This main script is used by --prof-process to process logs generated by --prof.

// The tick processor implementation is vendor-in from V8, placed in deps/v8/tools,

// and they have different resolution rules compared to normal Node.js internal builtins,

// despite being embedded into the binary as a built-in as well.

// TODO(joyeecheung): put the context locals in import.meta.

const {

ObjectAssign,

PromisePrototypeThen,

globalThis,

} = primordials;

const {

prepareMainThreadExecution,

markBootstrapComplete,

} = require('internal/process/pre_execution');

const { importBuiltinSourceTextModule } = internalBinding('builtins');

const { triggerUncaughtException } = internalBinding('errors');

prepareMainThreadExecution();

markBootstrapComplete();

// Polyfill the context with globals needed by the tick processor.

const { globals, openFile } = require('internal/v8_prof_polyfill');

ObjectAssign(globalThis, globals);

openFile(process.argv[process.argv.length - 1]);

// Load and evaluate the V8 tick processor as a source text module.

const { promise } = importBuiltinSourceTextModule('internal/deps/v8/tools/tickprocessor-driver');

// We must catch the rejection asynchronously to print it out properly since

// the tick processor contains top level await.

PromisePrototypeThen(promise, undefined, (err) => {

triggerUncaughtException(err, true /* fromPromise */);

});