mirror of
https://github.com/denoland/deno.git
synced 2024-11-25 15:29:32 -05:00
02187966c1
V8's JIT can do a better job knowing the argument count and also enable
fast call path (in future).
This also lets us call async ops without `opAsync`:
```js
const { ops } = Deno.core;
await ops.op_void_async();
```
this patch: 4405286 ops/sec
main: 3508771 ops/sec
883 lines
30 KiB
JavaScript
883 lines
30 KiB
JavaScript
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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"use strict";
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// Removes the `__proto__` for security reasons.
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// https://tc39.es/ecma262/#sec-get-object.prototype.__proto__
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delete Object.prototype.__proto__;
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// Remove Intl.v8BreakIterator because it is a non-standard API.
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delete Intl.v8BreakIterator;
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((window) => {
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const core = Deno.core;
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const ops = core.ops;
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const {
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ArrayPrototypeIndexOf,
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ArrayPrototypePush,
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ArrayPrototypeShift,
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ArrayPrototypeSplice,
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ArrayPrototypeMap,
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DateNow,
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Error,
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FunctionPrototypeCall,
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FunctionPrototypeBind,
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ObjectAssign,
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ObjectDefineProperty,
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ObjectDefineProperties,
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ObjectFreeze,
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ObjectPrototypeIsPrototypeOf,
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ObjectSetPrototypeOf,
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PromiseResolve,
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Symbol,
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SymbolFor,
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SymbolIterator,
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PromisePrototypeThen,
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SafeWeakMap,
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TypeError,
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WeakMapPrototypeDelete,
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WeakMapPrototypeGet,
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WeakMapPrototypeSet,
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} = window.__bootstrap.primordials;
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const util = window.__bootstrap.util;
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const event = window.__bootstrap.event;
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const eventTarget = window.__bootstrap.eventTarget;
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const globalInterfaces = window.__bootstrap.globalInterfaces;
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const location = window.__bootstrap.location;
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const build = window.__bootstrap.build;
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const version = window.__bootstrap.version;
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const os = window.__bootstrap.os;
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const timers = window.__bootstrap.timers;
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const base64 = window.__bootstrap.base64;
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const encoding = window.__bootstrap.encoding;
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const colors = window.__bootstrap.colors;
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const Console = window.__bootstrap.console.Console;
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const caches = window.__bootstrap.caches;
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const inspectArgs = window.__bootstrap.console.inspectArgs;
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const quoteString = window.__bootstrap.console.quoteString;
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const compression = window.__bootstrap.compression;
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const worker = window.__bootstrap.worker;
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const internals = window.__bootstrap.internals;
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const performance = window.__bootstrap.performance;
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const net = window.__bootstrap.net;
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const crypto = window.__bootstrap.crypto;
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const url = window.__bootstrap.url;
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const urlPattern = window.__bootstrap.urlPattern;
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const headers = window.__bootstrap.headers;
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const streams = window.__bootstrap.streams;
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const fileReader = window.__bootstrap.fileReader;
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const webgpu = window.__bootstrap.webgpu;
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const webSocket = window.__bootstrap.webSocket;
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const webStorage = window.__bootstrap.webStorage;
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const broadcastChannel = window.__bootstrap.broadcastChannel;
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const file = window.__bootstrap.file;
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const formData = window.__bootstrap.formData;
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const fetch = window.__bootstrap.fetch;
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const prompt = window.__bootstrap.prompt;
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const messagePort = window.__bootstrap.messagePort;
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const denoNs = window.__bootstrap.denoNs;
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const denoNsUnstable = window.__bootstrap.denoNsUnstable;
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const errors = window.__bootstrap.errors.errors;
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const webidl = window.__bootstrap.webidl;
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const domException = window.__bootstrap.domException;
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const abortSignal = window.__bootstrap.abortSignal;
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const { defineEventHandler, reportException } = window.__bootstrap.event;
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const { deserializeJsMessageData, serializeJsMessageData } =
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window.__bootstrap.messagePort;
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let windowIsClosing = false;
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function windowClose() {
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if (!windowIsClosing) {
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windowIsClosing = true;
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// Push a macrotask to exit after a promise resolve.
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// This is not perfect, but should be fine for first pass.
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PromisePrototypeThen(
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PromiseResolve(),
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() =>
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FunctionPrototypeCall(timers.setTimeout, null, () => {
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// This should be fine, since only Window/MainWorker has .close()
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os.exit(0);
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}, 0),
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);
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}
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}
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function workerClose() {
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if (isClosing) {
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return;
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}
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isClosing = true;
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ops.op_worker_close();
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}
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function postMessage(message, transferOrOptions = {}) {
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const prefix =
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"Failed to execute 'postMessage' on 'DedicatedWorkerGlobalScope'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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message = webidl.converters.any(message);
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let options;
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if (
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webidl.type(transferOrOptions) === "Object" &&
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transferOrOptions !== undefined &&
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transferOrOptions[SymbolIterator] !== undefined
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) {
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const transfer = webidl.converters["sequence<object>"](
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transferOrOptions,
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{ prefix, context: "Argument 2" },
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);
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options = { transfer };
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} else {
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options = webidl.converters.StructuredSerializeOptions(
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transferOrOptions,
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{
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prefix,
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context: "Argument 2",
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},
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);
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}
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const { transfer } = options;
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const data = serializeJsMessageData(message, transfer);
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ops.op_worker_post_message(data);
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}
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let isClosing = false;
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let globalDispatchEvent;
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async function pollForMessages() {
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if (!globalDispatchEvent) {
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globalDispatchEvent = FunctionPrototypeBind(
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globalThis.dispatchEvent,
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globalThis,
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);
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}
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while (!isClosing) {
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const data = await core.opAsync("op_worker_recv_message");
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if (data === null) break;
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const v = deserializeJsMessageData(data);
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const message = v[0];
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const transferables = v[1];
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const msgEvent = new event.MessageEvent("message", {
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cancelable: false,
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data: message,
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ports: transferables.filter((t) =>
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ObjectPrototypeIsPrototypeOf(messagePort.MessagePortPrototype, t)
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),
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});
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try {
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globalDispatchEvent(msgEvent);
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} catch (e) {
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const errorEvent = new event.ErrorEvent("error", {
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cancelable: true,
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message: e.message,
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lineno: e.lineNumber ? e.lineNumber + 1 : undefined,
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colno: e.columnNumber ? e.columnNumber + 1 : undefined,
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filename: e.fileName,
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error: e,
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});
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globalDispatchEvent(errorEvent);
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if (!errorEvent.defaultPrevented) {
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throw e;
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}
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}
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}
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}
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let loadedMainWorkerScript = false;
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function importScripts(...urls) {
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if (ops.op_worker_get_type() === "module") {
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throw new TypeError("Can't import scripts in a module worker.");
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}
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const baseUrl = location.getLocationHref();
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const parsedUrls = ArrayPrototypeMap(urls, (scriptUrl) => {
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try {
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return new url.URL(scriptUrl, baseUrl ?? undefined).href;
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} catch {
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throw new domException.DOMException(
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"Failed to parse URL.",
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"SyntaxError",
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);
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}
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});
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// A classic worker's main script has looser MIME type checks than any
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// imported scripts, so we use `loadedMainWorkerScript` to distinguish them.
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// TODO(andreubotella) Refactor worker creation so the main script isn't
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// loaded with `importScripts()`.
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const scripts = ops.op_worker_sync_fetch(
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parsedUrls,
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!loadedMainWorkerScript,
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);
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loadedMainWorkerScript = true;
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for (const { url, script } of scripts) {
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const err = core.evalContext(script, url)[1];
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if (err !== null) {
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throw err.thrown;
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}
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}
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}
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function opMainModule() {
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return ops.op_main_module();
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}
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function formatException(error) {
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if (error instanceof Error) {
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return null;
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} else if (typeof error == "string") {
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return `Uncaught ${
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inspectArgs([quoteString(error)], {
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colors: !colors.getNoColor(),
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})
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}`;
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} else {
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return `Uncaught ${
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inspectArgs([error], { colors: !colors.getNoColor() })
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}`;
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}
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}
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function runtimeStart(runtimeOptions, source) {
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core.setMacrotaskCallback(timers.handleTimerMacrotask);
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core.setMacrotaskCallback(promiseRejectMacrotaskCallback);
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core.setWasmStreamingCallback(fetch.handleWasmStreaming);
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core.setReportExceptionCallback(reportException);
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ops.op_set_format_exception_callback(formatException);
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version.setVersions(
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runtimeOptions.denoVersion,
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runtimeOptions.v8Version,
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runtimeOptions.tsVersion,
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);
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build.setBuildInfo(runtimeOptions.target);
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util.setLogDebug(runtimeOptions.debugFlag, source);
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colors.setNoColor(runtimeOptions.noColor || !runtimeOptions.isTty);
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// deno-lint-ignore prefer-primordials
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Error.prepareStackTrace = core.prepareStackTrace;
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registerErrors();
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}
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function registerErrors() {
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core.registerErrorClass("NotFound", errors.NotFound);
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core.registerErrorClass("PermissionDenied", errors.PermissionDenied);
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core.registerErrorClass("ConnectionRefused", errors.ConnectionRefused);
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core.registerErrorClass("ConnectionReset", errors.ConnectionReset);
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core.registerErrorClass("ConnectionAborted", errors.ConnectionAborted);
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core.registerErrorClass("NotConnected", errors.NotConnected);
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core.registerErrorClass("AddrInUse", errors.AddrInUse);
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core.registerErrorClass("AddrNotAvailable", errors.AddrNotAvailable);
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core.registerErrorClass("BrokenPipe", errors.BrokenPipe);
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core.registerErrorClass("AlreadyExists", errors.AlreadyExists);
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core.registerErrorClass("InvalidData", errors.InvalidData);
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core.registerErrorClass("TimedOut", errors.TimedOut);
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core.registerErrorClass("Interrupted", errors.Interrupted);
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core.registerErrorClass("WriteZero", errors.WriteZero);
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core.registerErrorClass("UnexpectedEof", errors.UnexpectedEof);
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core.registerErrorClass("BadResource", errors.BadResource);
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core.registerErrorClass("Http", errors.Http);
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core.registerErrorClass("Busy", errors.Busy);
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core.registerErrorClass("NotSupported", errors.NotSupported);
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core.registerErrorBuilder(
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"DOMExceptionOperationError",
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function DOMExceptionOperationError(msg) {
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return new domException.DOMException(msg, "OperationError");
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},
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);
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core.registerErrorBuilder(
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"DOMExceptionQuotaExceededError",
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function DOMExceptionQuotaExceededError(msg) {
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return new domException.DOMException(msg, "QuotaExceededError");
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},
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);
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core.registerErrorBuilder(
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"DOMExceptionNotSupportedError",
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function DOMExceptionNotSupportedError(msg) {
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return new domException.DOMException(msg, "NotSupported");
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},
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);
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core.registerErrorBuilder(
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"DOMExceptionNetworkError",
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function DOMExceptionNetworkError(msg) {
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return new domException.DOMException(msg, "NetworkError");
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},
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);
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core.registerErrorBuilder(
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"DOMExceptionAbortError",
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function DOMExceptionAbortError(msg) {
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return new domException.DOMException(msg, "AbortError");
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},
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);
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core.registerErrorBuilder(
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"DOMExceptionInvalidCharacterError",
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function DOMExceptionInvalidCharacterError(msg) {
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return new domException.DOMException(msg, "InvalidCharacterError");
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},
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);
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core.registerErrorBuilder(
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"DOMExceptionDataError",
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function DOMExceptionDataError(msg) {
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return new domException.DOMException(msg, "DataError");
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},
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);
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}
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class Navigator {
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constructor() {
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webidl.illegalConstructor();
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}
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[SymbolFor("Deno.privateCustomInspect")](inspect) {
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return `${this.constructor.name} ${inspect({})}`;
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}
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}
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const navigator = webidl.createBranded(Navigator);
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let numCpus, userAgent, language;
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ObjectDefineProperties(Navigator.prototype, {
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gpu: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, NavigatorPrototype);
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return webgpu.gpu;
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},
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},
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hardwareConcurrency: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, NavigatorPrototype);
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return numCpus;
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},
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},
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userAgent: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, NavigatorPrototype);
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return userAgent;
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},
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},
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language: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, NavigatorPrototype);
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return language;
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},
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},
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languages: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, NavigatorPrototype);
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return [language];
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},
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},
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});
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const NavigatorPrototype = Navigator.prototype;
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class WorkerNavigator {
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constructor() {
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webidl.illegalConstructor();
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}
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[SymbolFor("Deno.privateCustomInspect")](inspect) {
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return `${this.constructor.name} ${inspect({})}`;
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}
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}
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const workerNavigator = webidl.createBranded(WorkerNavigator);
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ObjectDefineProperties(WorkerNavigator.prototype, {
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gpu: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, WorkerNavigatorPrototype);
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return webgpu.gpu;
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},
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},
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hardwareConcurrency: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, WorkerNavigatorPrototype);
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return numCpus;
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},
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language: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, WorkerNavigatorPrototype);
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return language;
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},
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},
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languages: {
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configurable: true,
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enumerable: true,
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get() {
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webidl.assertBranded(this, WorkerNavigatorPrototype);
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return [language];
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},
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},
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},
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});
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const WorkerNavigatorPrototype = WorkerNavigator.prototype;
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// https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope
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const windowOrWorkerGlobalScope = {
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AbortController: util.nonEnumerable(abortSignal.AbortController),
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AbortSignal: util.nonEnumerable(abortSignal.AbortSignal),
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Blob: util.nonEnumerable(file.Blob),
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ByteLengthQueuingStrategy: util.nonEnumerable(
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streams.ByteLengthQueuingStrategy,
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),
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CloseEvent: util.nonEnumerable(event.CloseEvent),
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CompressionStream: util.nonEnumerable(compression.CompressionStream),
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CountQueuingStrategy: util.nonEnumerable(
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streams.CountQueuingStrategy,
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),
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CryptoKey: util.nonEnumerable(crypto.CryptoKey),
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CustomEvent: util.nonEnumerable(event.CustomEvent),
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DecompressionStream: util.nonEnumerable(compression.DecompressionStream),
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DOMException: util.nonEnumerable(domException.DOMException),
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ErrorEvent: util.nonEnumerable(event.ErrorEvent),
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Event: util.nonEnumerable(event.Event),
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EventTarget: util.nonEnumerable(eventTarget.EventTarget),
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File: util.nonEnumerable(file.File),
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FileReader: util.nonEnumerable(fileReader.FileReader),
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FormData: util.nonEnumerable(formData.FormData),
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Headers: util.nonEnumerable(headers.Headers),
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MessageEvent: util.nonEnumerable(event.MessageEvent),
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Performance: util.nonEnumerable(performance.Performance),
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PerformanceEntry: util.nonEnumerable(performance.PerformanceEntry),
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PerformanceMark: util.nonEnumerable(performance.PerformanceMark),
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PerformanceMeasure: util.nonEnumerable(performance.PerformanceMeasure),
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PromiseRejectionEvent: util.nonEnumerable(event.PromiseRejectionEvent),
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ProgressEvent: util.nonEnumerable(event.ProgressEvent),
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ReadableStream: util.nonEnumerable(streams.ReadableStream),
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ReadableStreamDefaultReader: util.nonEnumerable(
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streams.ReadableStreamDefaultReader,
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),
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Request: util.nonEnumerable(fetch.Request),
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Response: util.nonEnumerable(fetch.Response),
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TextDecoder: util.nonEnumerable(encoding.TextDecoder),
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TextEncoder: util.nonEnumerable(encoding.TextEncoder),
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TextDecoderStream: util.nonEnumerable(encoding.TextDecoderStream),
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TextEncoderStream: util.nonEnumerable(encoding.TextEncoderStream),
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TransformStream: util.nonEnumerable(streams.TransformStream),
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URL: util.nonEnumerable(url.URL),
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URLPattern: util.nonEnumerable(urlPattern.URLPattern),
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URLSearchParams: util.nonEnumerable(url.URLSearchParams),
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WebSocket: util.nonEnumerable(webSocket.WebSocket),
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MessageChannel: util.nonEnumerable(messagePort.MessageChannel),
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MessagePort: util.nonEnumerable(messagePort.MessagePort),
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Worker: util.nonEnumerable(worker.Worker),
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WritableStream: util.nonEnumerable(streams.WritableStream),
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WritableStreamDefaultWriter: util.nonEnumerable(
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streams.WritableStreamDefaultWriter,
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),
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WritableStreamDefaultController: util.nonEnumerable(
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streams.WritableStreamDefaultController,
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),
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ReadableByteStreamController: util.nonEnumerable(
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streams.ReadableByteStreamController,
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),
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ReadableStreamBYOBReader: util.nonEnumerable(
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streams.ReadableStreamBYOBReader,
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),
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ReadableStreamBYOBRequest: util.nonEnumerable(
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streams.ReadableStreamBYOBRequest,
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),
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ReadableStreamDefaultController: util.nonEnumerable(
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streams.ReadableStreamDefaultController,
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),
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TransformStreamDefaultController: util.nonEnumerable(
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streams.TransformStreamDefaultController,
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),
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atob: util.writable(base64.atob),
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btoa: util.writable(base64.btoa),
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clearInterval: util.writable(timers.clearInterval),
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clearTimeout: util.writable(timers.clearTimeout),
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caches: {
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enumerable: true,
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configurable: true,
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get: caches.cacheStorage,
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},
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CacheStorage: util.nonEnumerable(caches.CacheStorage),
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Cache: util.nonEnumerable(caches.Cache),
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console: util.nonEnumerable(
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new Console((msg, level) => core.print(msg, level > 1)),
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),
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crypto: util.readOnly(crypto.crypto),
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|
Crypto: util.nonEnumerable(crypto.Crypto),
|
|
SubtleCrypto: util.nonEnumerable(crypto.SubtleCrypto),
|
|
fetch: util.writable(fetch.fetch),
|
|
performance: util.writable(performance.performance),
|
|
reportError: util.writable(event.reportError),
|
|
setInterval: util.writable(timers.setInterval),
|
|
setTimeout: util.writable(timers.setTimeout),
|
|
structuredClone: util.writable(messagePort.structuredClone),
|
|
// Branding as a WebIDL object
|
|
[webidl.brand]: util.nonEnumerable(webidl.brand),
|
|
};
|
|
|
|
const unstableWindowOrWorkerGlobalScope = {
|
|
BroadcastChannel: util.nonEnumerable(broadcastChannel.BroadcastChannel),
|
|
WebSocketStream: util.nonEnumerable(webSocket.WebSocketStream),
|
|
|
|
GPU: util.nonEnumerable(webgpu.GPU),
|
|
GPUAdapter: util.nonEnumerable(webgpu.GPUAdapter),
|
|
GPUSupportedLimits: util.nonEnumerable(webgpu.GPUSupportedLimits),
|
|
GPUSupportedFeatures: util.nonEnumerable(webgpu.GPUSupportedFeatures),
|
|
GPUDevice: util.nonEnumerable(webgpu.GPUDevice),
|
|
GPUQueue: util.nonEnumerable(webgpu.GPUQueue),
|
|
GPUBuffer: util.nonEnumerable(webgpu.GPUBuffer),
|
|
GPUBufferUsage: util.nonEnumerable(webgpu.GPUBufferUsage),
|
|
GPUMapMode: util.nonEnumerable(webgpu.GPUMapMode),
|
|
GPUTexture: util.nonEnumerable(webgpu.GPUTexture),
|
|
GPUTextureUsage: util.nonEnumerable(webgpu.GPUTextureUsage),
|
|
GPUTextureView: util.nonEnumerable(webgpu.GPUTextureView),
|
|
GPUSampler: util.nonEnumerable(webgpu.GPUSampler),
|
|
GPUBindGroupLayout: util.nonEnumerable(webgpu.GPUBindGroupLayout),
|
|
GPUPipelineLayout: util.nonEnumerable(webgpu.GPUPipelineLayout),
|
|
GPUBindGroup: util.nonEnumerable(webgpu.GPUBindGroup),
|
|
GPUShaderModule: util.nonEnumerable(webgpu.GPUShaderModule),
|
|
GPUShaderStage: util.nonEnumerable(webgpu.GPUShaderStage),
|
|
GPUComputePipeline: util.nonEnumerable(webgpu.GPUComputePipeline),
|
|
GPURenderPipeline: util.nonEnumerable(webgpu.GPURenderPipeline),
|
|
GPUColorWrite: util.nonEnumerable(webgpu.GPUColorWrite),
|
|
GPUCommandEncoder: util.nonEnumerable(webgpu.GPUCommandEncoder),
|
|
GPURenderPassEncoder: util.nonEnumerable(webgpu.GPURenderPassEncoder),
|
|
GPUComputePassEncoder: util.nonEnumerable(webgpu.GPUComputePassEncoder),
|
|
GPUCommandBuffer: util.nonEnumerable(webgpu.GPUCommandBuffer),
|
|
GPURenderBundleEncoder: util.nonEnumerable(webgpu.GPURenderBundleEncoder),
|
|
GPURenderBundle: util.nonEnumerable(webgpu.GPURenderBundle),
|
|
GPUQuerySet: util.nonEnumerable(webgpu.GPUQuerySet),
|
|
GPUOutOfMemoryError: util.nonEnumerable(webgpu.GPUOutOfMemoryError),
|
|
GPUValidationError: util.nonEnumerable(webgpu.GPUValidationError),
|
|
};
|
|
|
|
const mainRuntimeGlobalProperties = {
|
|
Location: location.locationConstructorDescriptor,
|
|
location: location.locationDescriptor,
|
|
Window: globalInterfaces.windowConstructorDescriptor,
|
|
window: util.readOnly(globalThis),
|
|
self: util.writable(globalThis),
|
|
Navigator: util.nonEnumerable(Navigator),
|
|
navigator: {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: () => navigator,
|
|
},
|
|
close: util.writable(windowClose),
|
|
closed: util.getterOnly(() => windowIsClosing),
|
|
alert: util.writable(prompt.alert),
|
|
confirm: util.writable(prompt.confirm),
|
|
prompt: util.writable(prompt.prompt),
|
|
localStorage: {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: webStorage.localStorage,
|
|
},
|
|
sessionStorage: {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: webStorage.sessionStorage,
|
|
},
|
|
Storage: util.nonEnumerable(webStorage.Storage),
|
|
};
|
|
|
|
const workerRuntimeGlobalProperties = {
|
|
WorkerLocation: location.workerLocationConstructorDescriptor,
|
|
location: location.workerLocationDescriptor,
|
|
WorkerGlobalScope: globalInterfaces.workerGlobalScopeConstructorDescriptor,
|
|
DedicatedWorkerGlobalScope:
|
|
globalInterfaces.dedicatedWorkerGlobalScopeConstructorDescriptor,
|
|
WorkerNavigator: util.nonEnumerable(WorkerNavigator),
|
|
navigator: {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: () => workerNavigator,
|
|
},
|
|
self: util.readOnly(globalThis),
|
|
// TODO(bartlomieju): should be readonly?
|
|
close: util.nonEnumerable(workerClose),
|
|
postMessage: util.writable(postMessage),
|
|
};
|
|
|
|
const pendingRejections = [];
|
|
const pendingRejectionsReasons = new SafeWeakMap();
|
|
|
|
function promiseRejectCallback(type, promise, reason) {
|
|
switch (type) {
|
|
case 0: {
|
|
ops.op_store_pending_promise_exception(promise, reason);
|
|
ArrayPrototypePush(pendingRejections, promise);
|
|
WeakMapPrototypeSet(pendingRejectionsReasons, promise, reason);
|
|
break;
|
|
}
|
|
case 1: {
|
|
ops.op_remove_pending_promise_exception(promise);
|
|
const index = ArrayPrototypeIndexOf(pendingRejections, promise);
|
|
if (index > -1) {
|
|
ArrayPrototypeSplice(pendingRejections, index, 1);
|
|
WeakMapPrototypeDelete(pendingRejectionsReasons, promise);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return !!globalThis.onunhandledrejection ||
|
|
eventTarget.listenerCount(globalThis, "unhandledrejection") > 0;
|
|
}
|
|
|
|
function promiseRejectMacrotaskCallback() {
|
|
while (pendingRejections.length > 0) {
|
|
const promise = ArrayPrototypeShift(pendingRejections);
|
|
const hasPendingException = ops.op_has_pending_promise_exception(
|
|
promise,
|
|
);
|
|
const reason = WeakMapPrototypeGet(pendingRejectionsReasons, promise);
|
|
WeakMapPrototypeDelete(pendingRejectionsReasons, promise);
|
|
|
|
if (!hasPendingException) {
|
|
continue;
|
|
}
|
|
|
|
const rejectionEvent = new event.PromiseRejectionEvent(
|
|
"unhandledrejection",
|
|
{
|
|
cancelable: true,
|
|
promise,
|
|
reason,
|
|
},
|
|
);
|
|
|
|
const errorEventCb = (event) => {
|
|
if (event.error === reason) {
|
|
ops.op_remove_pending_promise_exception(promise);
|
|
}
|
|
};
|
|
// Add a callback for "error" event - it will be dispatched
|
|
// if error is thrown during dispatch of "unhandledrejection"
|
|
// event.
|
|
globalThis.addEventListener("error", errorEventCb);
|
|
globalThis.dispatchEvent(rejectionEvent);
|
|
globalThis.removeEventListener("error", errorEventCb);
|
|
|
|
// If event was not prevented (or "unhandledrejection" listeners didn't
|
|
// throw) we will let Rust side handle it.
|
|
if (rejectionEvent.defaultPrevented) {
|
|
ops.op_remove_pending_promise_exception(promise);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
let hasBootstrapped = false;
|
|
|
|
function bootstrapMainRuntime(runtimeOptions) {
|
|
if (hasBootstrapped) {
|
|
throw new Error("Worker runtime already bootstrapped");
|
|
}
|
|
|
|
core.initializeAsyncOps();
|
|
performance.setTimeOrigin(DateNow());
|
|
net.setup(runtimeOptions.unstableFlag);
|
|
|
|
const consoleFromV8 = window.console;
|
|
const wrapConsole = window.__bootstrap.console.wrapConsole;
|
|
|
|
// Remove bootstrapping data from the global scope
|
|
delete globalThis.__bootstrap;
|
|
delete globalThis.bootstrap;
|
|
util.log("bootstrapMainRuntime");
|
|
hasBootstrapped = true;
|
|
|
|
// If the `--location` flag isn't set, make `globalThis.location` `undefined` and
|
|
// writable, so that they can mock it themselves if they like. If the flag was
|
|
// set, define `globalThis.location`, using the provided value.
|
|
if (runtimeOptions.location == null) {
|
|
mainRuntimeGlobalProperties.location = {
|
|
writable: true,
|
|
};
|
|
} else {
|
|
location.setLocationHref(runtimeOptions.location);
|
|
}
|
|
|
|
ObjectDefineProperties(globalThis, windowOrWorkerGlobalScope);
|
|
if (runtimeOptions.unstableFlag) {
|
|
ObjectDefineProperties(globalThis, unstableWindowOrWorkerGlobalScope);
|
|
}
|
|
ObjectDefineProperties(globalThis, mainRuntimeGlobalProperties);
|
|
ObjectSetPrototypeOf(globalThis, Window.prototype);
|
|
|
|
if (runtimeOptions.inspectFlag) {
|
|
const consoleFromDeno = globalThis.console;
|
|
wrapConsole(consoleFromDeno, consoleFromV8);
|
|
}
|
|
|
|
eventTarget.setEventTargetData(globalThis);
|
|
|
|
defineEventHandler(window, "error");
|
|
defineEventHandler(window, "load");
|
|
defineEventHandler(window, "beforeunload");
|
|
defineEventHandler(window, "unload");
|
|
defineEventHandler(window, "unhandledrejection");
|
|
|
|
core.setPromiseRejectCallback(promiseRejectCallback);
|
|
|
|
const isUnloadDispatched = SymbolFor("isUnloadDispatched");
|
|
// Stores the flag for checking whether unload is dispatched or not.
|
|
// This prevents the recursive dispatches of unload events.
|
|
// See https://github.com/denoland/deno/issues/9201.
|
|
window[isUnloadDispatched] = false;
|
|
window.addEventListener("unload", () => {
|
|
window[isUnloadDispatched] = true;
|
|
});
|
|
|
|
runtimeStart(runtimeOptions);
|
|
|
|
numCpus = runtimeOptions.cpuCount;
|
|
userAgent = runtimeOptions.userAgent;
|
|
language = runtimeOptions.locale;
|
|
|
|
const internalSymbol = Symbol("Deno.internal");
|
|
|
|
const finalDenoNs = {
|
|
core,
|
|
internal: internalSymbol,
|
|
[internalSymbol]: internals,
|
|
resources: core.resources,
|
|
close: core.close,
|
|
...denoNs,
|
|
};
|
|
ObjectDefineProperties(finalDenoNs, {
|
|
pid: util.readOnly(runtimeOptions.pid),
|
|
ppid: util.readOnly(runtimeOptions.ppid),
|
|
noColor: util.readOnly(runtimeOptions.noColor),
|
|
args: util.readOnly(ObjectFreeze(runtimeOptions.args)),
|
|
mainModule: util.getterOnly(opMainModule),
|
|
});
|
|
|
|
if (runtimeOptions.unstableFlag) {
|
|
ObjectAssign(finalDenoNs, denoNsUnstable);
|
|
}
|
|
|
|
// Setup `Deno` global - we're actually overriding already existing global
|
|
// `Deno` with `Deno` namespace from "./deno.ts".
|
|
ObjectDefineProperty(globalThis, "Deno", util.readOnly(finalDenoNs));
|
|
ObjectFreeze(globalThis.Deno.core);
|
|
|
|
util.log("args", runtimeOptions.args);
|
|
}
|
|
|
|
function bootstrapWorkerRuntime(
|
|
runtimeOptions,
|
|
name,
|
|
internalName,
|
|
) {
|
|
if (hasBootstrapped) {
|
|
throw new Error("Worker runtime already bootstrapped");
|
|
}
|
|
|
|
core.initializeAsyncOps();
|
|
performance.setTimeOrigin(DateNow());
|
|
net.setup(runtimeOptions.unstableFlag);
|
|
|
|
const consoleFromV8 = window.console;
|
|
const wrapConsole = window.__bootstrap.console.wrapConsole;
|
|
|
|
// Remove bootstrapping data from the global scope
|
|
delete globalThis.__bootstrap;
|
|
delete globalThis.bootstrap;
|
|
util.log("bootstrapWorkerRuntime");
|
|
hasBootstrapped = true;
|
|
ObjectDefineProperties(globalThis, windowOrWorkerGlobalScope);
|
|
if (runtimeOptions.unstableFlag) {
|
|
ObjectDefineProperties(globalThis, unstableWindowOrWorkerGlobalScope);
|
|
}
|
|
ObjectDefineProperties(globalThis, workerRuntimeGlobalProperties);
|
|
ObjectDefineProperties(globalThis, { name: util.writable(name) });
|
|
if (runtimeOptions.enableTestingFeaturesFlag) {
|
|
ObjectDefineProperty(
|
|
globalThis,
|
|
"importScripts",
|
|
util.writable(importScripts),
|
|
);
|
|
}
|
|
ObjectSetPrototypeOf(globalThis, DedicatedWorkerGlobalScope.prototype);
|
|
|
|
const consoleFromDeno = globalThis.console;
|
|
wrapConsole(consoleFromDeno, consoleFromV8);
|
|
|
|
eventTarget.setEventTargetData(globalThis);
|
|
|
|
defineEventHandler(self, "message");
|
|
defineEventHandler(self, "error", undefined, true);
|
|
defineEventHandler(self, "unhandledrejection");
|
|
|
|
core.setPromiseRejectCallback(promiseRejectCallback);
|
|
|
|
// `Deno.exit()` is an alias to `self.close()`. Setting and exit
|
|
// code using an op in worker context is a no-op.
|
|
os.setExitHandler((_exitCode) => {
|
|
workerClose();
|
|
});
|
|
|
|
runtimeStart(
|
|
runtimeOptions,
|
|
internalName ?? name,
|
|
);
|
|
|
|
location.setLocationHref(runtimeOptions.location);
|
|
numCpus = runtimeOptions.cpuCount;
|
|
language = runtimeOptions.locale;
|
|
|
|
globalThis.pollForMessages = pollForMessages;
|
|
|
|
const internalSymbol = Symbol("Deno.internal");
|
|
|
|
const finalDenoNs = {
|
|
core,
|
|
internal: internalSymbol,
|
|
[internalSymbol]: internals,
|
|
resources: core.resources,
|
|
close: core.close,
|
|
...denoNs,
|
|
};
|
|
if (runtimeOptions.unstableFlag) {
|
|
ObjectAssign(finalDenoNs, denoNsUnstable);
|
|
}
|
|
ObjectDefineProperties(finalDenoNs, {
|
|
pid: util.readOnly(runtimeOptions.pid),
|
|
noColor: util.readOnly(runtimeOptions.noColor),
|
|
args: util.readOnly(ObjectFreeze(runtimeOptions.args)),
|
|
});
|
|
// Setup `Deno` global - we're actually overriding already
|
|
// existing global `Deno` with `Deno` namespace from "./deno.ts".
|
|
ObjectDefineProperty(globalThis, "Deno", util.readOnly(finalDenoNs));
|
|
ObjectFreeze(globalThis.Deno.core);
|
|
}
|
|
|
|
ObjectDefineProperties(globalThis, {
|
|
bootstrap: {
|
|
value: {
|
|
mainRuntime: bootstrapMainRuntime,
|
|
workerRuntime: bootstrapWorkerRuntime,
|
|
},
|
|
configurable: true,
|
|
},
|
|
});
|
|
})(this);
|