mirror of
https://github.com/classilla/tenfourfox.git
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813 lines
27 KiB
JavaScript
813 lines
27 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Ci, Cu } = require("chrome");
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const Services = require("Services");
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const DevToolsUtils = require("devtools/shared/DevToolsUtils");
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const { assert, fetch } = DevToolsUtils;
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const EventEmitter = require("devtools/shared/event-emitter");
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const { OriginalLocation, GeneratedLocation } = require("devtools/server/actors/common");
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const { resolve } = require("promise");
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loader.lazyRequireGetter(this, "SourceActor", "devtools/server/actors/script", true);
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loader.lazyRequireGetter(this, "isEvalSource", "devtools/server/actors/script", true);
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loader.lazyRequireGetter(this, "SourceMapConsumer", "source-map", true);
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loader.lazyRequireGetter(this, "SourceMapGenerator", "source-map", true);
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/**
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* Manages the sources for a thread. Handles source maps, locations in the
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* sources, etc for ThreadActors.
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*/
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function TabSources(threadActor, allowSourceFn=() => true) {
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EventEmitter.decorate(this);
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this._thread = threadActor;
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this._useSourceMaps = true;
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this._autoBlackBox = true;
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this._anonSourceMapId = 1;
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this.allowSource = source => {
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return !isHiddenSource(source) && allowSourceFn(source);
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}
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this.blackBoxedSources = new Set();
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this.prettyPrintedSources = new Map();
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this.neverAutoBlackBoxSources = new Set();
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// generated Debugger.Source -> promise of SourceMapConsumer
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this._sourceMaps = new Map();
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// sourceMapURL -> promise of SourceMapConsumer
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this._sourceMapCache = Object.create(null);
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// Debugger.Source -> SourceActor
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this._sourceActors = new Map();
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// url -> SourceActor
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this._sourceMappedSourceActors = Object.create(null);
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}
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/**
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* Matches strings of the form "foo.min.js" or "foo-min.js", etc. If the regular
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* expression matches, we can be fairly sure that the source is minified, and
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* treat it as such.
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*/
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const MINIFIED_SOURCE_REGEXP = /\bmin\.js$/;
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TabSources.prototype = {
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/**
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* Update preferences and clear out existing sources
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*/
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reconfigure: function(options) {
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if ('useSourceMaps' in options) {
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this._useSourceMaps = options.useSourceMaps;
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}
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if ('autoBlackBox' in options) {
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this._autoBlackBox = options.autoBlackBox;
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}
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this.reset();
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},
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/**
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* Clear existing sources so they are recreated on the next access.
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*
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* @param Object opts
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* Specify { sourceMaps: true } if you also want to clear
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* the source map cache (usually done on reload).
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*/
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reset: function(opts={}) {
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this._sourceActors = new Map();
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this._sourceMaps = new Map();
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this._sourceMappedSourceActors = Object.create(null);
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if (opts.sourceMaps) {
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this._sourceMapCache = Object.create(null);
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}
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},
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/**
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* Return the source actor representing the `source` (or
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* `originalUrl`), creating one if none exists already. May return
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* null if the source is disallowed.
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*
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* @param Debugger.Source source
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* The source to make an actor for
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* @param String originalUrl
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* The original source URL of a sourcemapped source
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* @param optional Debguger.Source generatedSource
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* The generated source that introduced this source via source map,
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* if any.
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* @param optional String contentType
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* The content type of the source, if immediately available.
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* @returns a SourceActor representing the source or null.
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*/
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source: function ({ source, originalUrl, generatedSource,
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isInlineSource, contentType }) {
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assert(source || (originalUrl && generatedSource),
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"TabSources.prototype.source needs an originalUrl or a source");
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if (source) {
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// If a source is passed, we are creating an actor for a real
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// source, which may or may not be sourcemapped.
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if (!this.allowSource(source)) {
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return null;
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}
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// It's a hack, but inline HTML scripts each have real sources,
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// but we want to represent all of them as one source as the
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// HTML page. The actor representing this fake HTML source is
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// stored in this array, which always has a URL, so check it
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// first.
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if (source.url in this._sourceMappedSourceActors) {
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return this._sourceMappedSourceActors[source.url];
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}
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if (isInlineSource) {
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// If it's an inline source, the fake HTML source hasn't been
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// created yet (would have returned above), so flip this source
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// into a sourcemapped state by giving it an `originalUrl` which
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// is the HTML url.
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originalUrl = source.url;
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source = null;
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}
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else if (this._sourceActors.has(source)) {
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return this._sourceActors.get(source);
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}
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}
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else if (originalUrl) {
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// Not all "original" scripts are distinctly separate from the
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// generated script. Pretty-printed sources have a sourcemap for
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// themselves, so we need to make sure there a real source
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// doesn't already exist with this URL.
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for (let [source, actor] of this._sourceActors) {
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if (source.url === originalUrl) {
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return actor;
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}
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}
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if (originalUrl in this._sourceMappedSourceActors) {
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return this._sourceMappedSourceActors[originalUrl];
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}
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}
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let actor = new SourceActor({
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thread: this._thread,
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source: source,
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originalUrl: originalUrl,
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generatedSource: generatedSource,
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isInlineSource: isInlineSource,
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contentType: contentType
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});
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let sourceActorStore = this._thread.sourceActorStore;
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var id = sourceActorStore.getReusableActorId(source, originalUrl);
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if (id) {
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actor.actorID = id;
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}
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this._thread.threadLifetimePool.addActor(actor);
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sourceActorStore.setReusableActorId(source, originalUrl, actor.actorID);
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if (this._autoBlackBox &&
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!this.neverAutoBlackBoxSources.has(actor.url) &&
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this._isMinifiedURL(actor.url)) {
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this.blackBox(actor.url);
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this.neverAutoBlackBoxSources.add(actor.url);
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}
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if (source) {
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this._sourceActors.set(source, actor);
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}
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else {
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this._sourceMappedSourceActors[originalUrl] = actor;
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}
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this._emitNewSource(actor);
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return actor;
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},
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_emitNewSource: function(actor) {
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if (!actor.source) {
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// Always notify if we don't have a source because that means
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// it's something that has been sourcemapped, or it represents
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// the HTML file that contains inline sources.
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this.emit('newSource', actor);
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}
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else {
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// If sourcemapping is enabled and a source has sourcemaps, we
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// create `SourceActor` instances for both the original and
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// generated sources. The source actors for the generated
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// sources are only for internal use, however; breakpoints are
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// managed by these internal actors. We only want to notify the
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// user of the original sources though, so if the actor has a
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// `Debugger.Source` instance and a valid source map (meaning
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// it's a generated source), don't send the notification.
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this.fetchSourceMap(actor.source).then(map => {
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if (!map) {
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this.emit('newSource', actor);
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}
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});
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}
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},
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getSourceActor: function(source) {
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if (source.url in this._sourceMappedSourceActors) {
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return this._sourceMappedSourceActors[source.url];
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}
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if (this._sourceActors.has(source)) {
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return this._sourceActors.get(source);
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}
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throw new Error('getSource: could not find source actor for ' +
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(source.url || 'source'));
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},
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getSourceActorByURL: function(url) {
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if (url) {
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for (let [source, actor] of this._sourceActors) {
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if (source.url === url) {
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return actor;
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}
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}
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if (url in this._sourceMappedSourceActors) {
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return this._sourceMappedSourceActors[url];
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}
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}
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throw new Error('getSourceByURL: could not find source for ' + url);
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},
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/**
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* Returns true if the URL likely points to a minified resource, false
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* otherwise.
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*
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* @param String aURL
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* The URL to test.
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* @returns Boolean
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*/
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_isMinifiedURL: function (aURL) {
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try {
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let url = Services.io.newURI(aURL, null, null)
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.QueryInterface(Ci.nsIURL);
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return MINIFIED_SOURCE_REGEXP.test(url.fileName);
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} catch (e) {
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// Not a valid URL so don't try to parse out the filename, just test the
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// whole thing with the minified source regexp.
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return MINIFIED_SOURCE_REGEXP.test(aURL);
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}
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},
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/**
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* Create a source actor representing this source. This ignores
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* source mapping and always returns an actor representing this real
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* source. Use `createSourceActors` if you want to respect source maps.
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*
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* @param Debugger.Source aSource
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* The source instance to create an actor for.
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* @returns SourceActor
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*/
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createNonSourceMappedActor: function (aSource) {
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// Don't use getSourceURL because we don't want to consider the
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// displayURL property if it's an eval source. We only want to
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// consider real URLs, otherwise if there is a URL but it's
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// invalid the code below will not set the content type, and we
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// will later try to fetch the contents of the URL to figure out
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// the content type, but it's a made up URL for eval sources.
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let url = isEvalSource(aSource) ? null : aSource.url;
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let spec = { source: aSource };
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// XXX bug 915433: We can't rely on Debugger.Source.prototype.text
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// if the source is an HTML-embedded <script> tag. Since we don't
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// have an API implemented to detect whether this is the case, we
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// need to be conservative and only treat valid js files as real
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// sources. Otherwise, use the `originalUrl` property to treat it
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// as an HTML source that manages multiple inline sources.
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// Assume the source is inline if the element that introduced it is not a
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// script element, or does not have a src attribute.
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let element = aSource.element ? aSource.element.unsafeDereference() : null;
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if (element && (element.tagName !== "SCRIPT" || !element.hasAttribute("src"))) {
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spec.isInlineSource = true;
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} else {
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if (url) {
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try {
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let urlInfo = Services.io.newURI(url, null, null).QueryInterface(Ci.nsIURL);
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if (urlInfo.fileExtension === "xml") {
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// XUL inline scripts may not correctly have the
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// `source.element` property, so do a blunt check here if
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// it's an xml page.
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spec.isInlineSource = true;
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}
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else if (urlInfo.fileExtension === "js") {
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spec.contentType = "text/javascript";
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}
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} catch(ex) {
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// There are a few special URLs that we know are JavaScript:
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// inline `javascript:` and code coming from the console
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if (url.indexOf("javascript:") === 0 || url === 'debugger eval code') {
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spec.contentType = "text/javascript";
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}
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}
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}
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else {
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// Assume the content is javascript if there's no URL
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spec.contentType = "text/javascript";
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}
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}
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return this.source(spec);
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},
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/**
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* This is an internal function that returns a promise of an array
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* of source actors representing all the source mapped sources of
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* `aSource`, or `null` if the source is not sourcemapped or
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* sourcemapping is disabled. Users should call `createSourceActors`
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* instead of this.
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*
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* @param Debugger.Source aSource
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* The source instance to create actors for.
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* @return Promise of an array of source actors
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*/
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_createSourceMappedActors: function (aSource) {
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if (!this._useSourceMaps || !aSource.sourceMapURL) {
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return resolve(null);
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}
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return this.fetchSourceMap(aSource)
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.then(map => {
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if (map) {
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return map.sources.map(s => {
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return this.source({ originalUrl: s, generatedSource: aSource });
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}).filter(isNotNull);
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}
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return null;
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});
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},
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/**
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* Creates the source actors representing the appropriate sources
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* of `aSource`. If sourcemapped, returns actors for all of the original
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* sources, otherwise returns a 1-element array with the actor for
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* `aSource`.
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*
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* @param Debugger.Source aSource
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* The source instance to create actors for.
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* @param Promise of an array of source actors
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*/
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createSourceActors: function(aSource) {
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return this._createSourceMappedActors(aSource).then(actors => {
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let actor = this.createNonSourceMappedActor(aSource);
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return (actors || [actor]).filter(isNotNull);
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});
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},
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/**
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* Return a promise of a SourceMapConsumer for the source map for
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* `aSource`; if we already have such a promise extant, return that.
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* This will fetch the source map if we don't have a cached object
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* and source maps are enabled (see `_fetchSourceMap`).
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*
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* @param Debugger.Source aSource
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* The source instance to get sourcemaps for.
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* @return Promise of a SourceMapConsumer
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*/
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fetchSourceMap: function (aSource) {
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if (this._sourceMaps.has(aSource)) {
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return this._sourceMaps.get(aSource);
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}
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else if (!aSource || !aSource.sourceMapURL) {
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return resolve(null);
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}
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let sourceMapURL = aSource.sourceMapURL;
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if (aSource.url) {
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sourceMapURL = this._normalize(sourceMapURL, aSource.url);
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}
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let result = this._fetchSourceMap(sourceMapURL, aSource.url);
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// The promises in `_sourceMaps` must be the exact same instances
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// as returned by `_fetchSourceMap` for `clearSourceMapCache` to work.
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this._sourceMaps.set(aSource, result);
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return result;
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},
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/**
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* Return a promise of a SourceMapConsumer for the source map for
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* `aSource`. The resolved result may be null if the source does not
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* have a source map or source maps are disabled.
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*/
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getSourceMap: function(aSource) {
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return resolve(this._sourceMaps.get(aSource));
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},
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/**
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* Set a SourceMapConsumer for the source map for
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* |aSource|.
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*/
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setSourceMap: function(aSource, aMap) {
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this._sourceMaps.set(aSource, resolve(aMap));
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},
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/**
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* Return a promise of a SourceMapConsumer for the source map located at
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* |aAbsSourceMapURL|, which must be absolute. If there is already such a
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* promise extant, return it. This will not fetch if source maps are
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* disabled.
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*
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* @param string aAbsSourceMapURL
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* The source map URL, in absolute form, not relative.
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* @param string aScriptURL
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* When the source map URL is a data URI, there is no sourceRoot on the
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* source map, and the source map's sources are relative, we resolve
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* them from aScriptURL.
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*/
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_fetchSourceMap: function (aAbsSourceMapURL, aSourceURL) {
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if (!this._useSourceMaps) {
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return resolve(null);
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}
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else if (this._sourceMapCache[aAbsSourceMapURL]) {
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return this._sourceMapCache[aAbsSourceMapURL];
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}
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let fetching = fetch(aAbsSourceMapURL, { loadFromCache: false })
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.then(({ content }) => {
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let map = new SourceMapConsumer(content);
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this._setSourceMapRoot(map, aAbsSourceMapURL, aSourceURL);
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return map;
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})
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.then(null, error => {
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if (!DevToolsUtils.reportingDisabled) {
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DevToolsUtils.reportException("TabSources.prototype._fetchSourceMap", error);
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}
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return null;
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});
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this._sourceMapCache[aAbsSourceMapURL] = fetching;
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return fetching;
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},
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/**
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* Sets the source map's sourceRoot to be relative to the source map url.
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*/
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_setSourceMapRoot: function (aSourceMap, aAbsSourceMapURL, aScriptURL) {
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// No need to do this fiddling if we won't be fetching any sources over the
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// wire.
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if (aSourceMap.hasContentsOfAllSources()) {
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return;
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}
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const base = this._dirname(
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aAbsSourceMapURL.indexOf("data:") === 0
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? aScriptURL
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: aAbsSourceMapURL);
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aSourceMap.sourceRoot = aSourceMap.sourceRoot
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? this._normalize(aSourceMap.sourceRoot, base)
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: base;
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},
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_dirname: function (aPath) {
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return Services.io.newURI(
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".", null, Services.io.newURI(aPath, null, null)).spec;
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},
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/**
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* Clears the source map cache. Source maps are cached by URL so
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* they can be reused across separate Debugger instances (once in
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* this cache, they will never be reparsed again). They are
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* also cached by Debugger.Source objects for usefulness. By default
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* this just removes the Debugger.Source cache, but you can remove
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* the lower-level URL cache with the `hard` option.
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*
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* @param aSourceMapURL string
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* The source map URL to uncache
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* @param opts object
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* An object with the following properties:
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* - hard: Also remove the lower-level URL cache, which will
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* make us completely forget about the source map.
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*/
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clearSourceMapCache: function(aSourceMapURL, opts = { hard: false }) {
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let oldSm = this._sourceMapCache[aSourceMapURL];
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if (opts.hard) {
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delete this._sourceMapCache[aSourceMapURL];
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}
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if (oldSm) {
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// Clear out the current cache so all sources will get the new one
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for (let [source, sm] of this._sourceMaps.entries()) {
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if (sm === oldSm) {
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this._sourceMaps.delete(source);
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}
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}
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}
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},
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/*
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* Forcefully change the source map of a source, changing the
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* sourceMapURL and installing the source map in the cache. This is
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* necessary to expose changes across Debugger instances
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* (pretty-printing is the use case). Generate a random url if one
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* isn't specified, allowing you to set "anonymous" source maps.
|
|
*
|
|
* @param aSource Debugger.Source
|
|
* The source to change the sourceMapURL property
|
|
* @param aUrl string
|
|
* The source map URL (optional)
|
|
* @param aMap SourceMapConsumer
|
|
* The source map instance
|
|
*/
|
|
setSourceMapHard: function(aSource, aUrl, aMap) {
|
|
let url = aUrl;
|
|
if (!url) {
|
|
// This is a littly hacky, but we want to forcefully set a
|
|
// sourcemap regardless of sourcemap settings. We want to
|
|
// literally change the sourceMapURL so that all debuggers will
|
|
// get this and pretty-printing will Just Work (Debugger.Source
|
|
// instances are per-debugger, so we can't key off that). To
|
|
// avoid tons of work serializing the sourcemap into a data url,
|
|
// just make a fake URL and stick the sourcemap there.
|
|
url = "internal://sourcemap" + (this._anonSourceMapId++) + '/';
|
|
}
|
|
aSource.sourceMapURL = url;
|
|
|
|
// Forcefully set the sourcemap cache. This will be used even if
|
|
// sourcemaps are disabled.
|
|
this._sourceMapCache[url] = resolve(aMap);
|
|
},
|
|
|
|
/**
|
|
* Return the non-source-mapped location of the given Debugger.Frame. If the
|
|
* frame does not have a script, the location's properties are all null.
|
|
*
|
|
* @param Debugger.Frame aFrame
|
|
* The frame whose location we are getting.
|
|
* @returns Object
|
|
* Returns an object of the form { source, line, column }
|
|
*/
|
|
getFrameLocation: function (aFrame) {
|
|
if (!aFrame || !aFrame.script) {
|
|
return new GeneratedLocation();
|
|
}
|
|
let {lineNumber, columnNumber} =
|
|
aFrame.script.getOffsetLocation(aFrame.offset);
|
|
return new GeneratedLocation(
|
|
this.createNonSourceMappedActor(aFrame.script.source),
|
|
lineNumber,
|
|
columnNumber
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Returns a promise of the location in the original source if the source is
|
|
* source mapped, otherwise a promise of the same location. This can
|
|
* be called with a source from *any* Debugger instance and we make
|
|
* sure to that it works properly, reusing source maps if already
|
|
* fetched. Use this from any actor that needs sourcemapping.
|
|
*/
|
|
getOriginalLocation: function (generatedLocation) {
|
|
let {
|
|
generatedSourceActor,
|
|
generatedLine,
|
|
generatedColumn
|
|
} = generatedLocation;
|
|
let source = generatedSourceActor.source;
|
|
let url = source ? source.url : generatedSourceActor._originalUrl;
|
|
|
|
// In certain scenarios the source map may have not been fetched
|
|
// yet (or at least tied to this Debugger.Source instance), so use
|
|
// `fetchSourceMap` instead of `getSourceMap`. This allows this
|
|
// function to be called from anywere (across debuggers) and it
|
|
// should just automatically work.
|
|
return this.fetchSourceMap(source).then(map => {
|
|
if (map) {
|
|
let {
|
|
source: originalUrl,
|
|
line: originalLine,
|
|
column: originalColumn,
|
|
name: originalName
|
|
} = map.originalPositionFor({
|
|
line: generatedLine,
|
|
column: generatedColumn == null ? Infinity : generatedColumn
|
|
});
|
|
|
|
// Since the `Debugger.Source` instance may come from a
|
|
// different `Debugger` instance (any actor can call this
|
|
// method), we can't rely on any of the source discovery
|
|
// setup (`_discoverSources`, etc) to have been run yet. So
|
|
// we have to assume that the actor may not already exist,
|
|
// and we might need to create it, so use `source` and give
|
|
// it the required parameters for a sourcemapped source.
|
|
return new OriginalLocation(
|
|
originalUrl ? this.source({
|
|
originalUrl: originalUrl,
|
|
generatedSource: source
|
|
}) : null,
|
|
originalLine,
|
|
originalColumn,
|
|
originalName
|
|
);
|
|
}
|
|
|
|
// No source map
|
|
return OriginalLocation.fromGeneratedLocation(generatedLocation);
|
|
});
|
|
},
|
|
|
|
getAllGeneratedLocations: function (originalLocation) {
|
|
let {
|
|
originalSourceActor,
|
|
originalLine,
|
|
originalColumn
|
|
} = originalLocation;
|
|
|
|
let source = originalSourceActor.source ||
|
|
originalSourceActor.generatedSource;
|
|
|
|
return this.fetchSourceMap(source).then((map) => {
|
|
if (map) {
|
|
map.computeColumnSpans();
|
|
|
|
return map.allGeneratedPositionsFor({
|
|
source: originalSourceActor.url,
|
|
line: originalLine,
|
|
column: originalColumn
|
|
}).map(({ line, column, lastColumn }) => {
|
|
return new GeneratedLocation(
|
|
this.createNonSourceMappedActor(source),
|
|
line,
|
|
column,
|
|
lastColumn
|
|
);
|
|
});
|
|
}
|
|
|
|
return [GeneratedLocation.fromOriginalLocation(originalLocation)];
|
|
});
|
|
},
|
|
|
|
|
|
/**
|
|
* Returns a promise of the location in the generated source corresponding to
|
|
* the original source and line given.
|
|
*
|
|
* When we pass a script S representing generated code to `sourceMap`,
|
|
* above, that returns a promise P. The process of resolving P populates
|
|
* the tables this function uses; thus, it won't know that S's original
|
|
* source URLs map to S until P is resolved.
|
|
*/
|
|
getGeneratedLocation: function (originalLocation) {
|
|
let { originalSourceActor } = originalLocation;
|
|
|
|
// Both original sources and normal sources could have sourcemaps,
|
|
// because normal sources can be pretty-printed which generates a
|
|
// sourcemap for itself. Check both of the source properties to make it work
|
|
// for both kinds of sources.
|
|
let source = originalSourceActor.source || originalSourceActor.generatedSource;
|
|
|
|
// See comment about `fetchSourceMap` in `getOriginalLocation`.
|
|
return this.fetchSourceMap(source).then((map) => {
|
|
if (map) {
|
|
let {
|
|
originalLine,
|
|
originalColumn
|
|
} = originalLocation;
|
|
|
|
let {
|
|
line: generatedLine,
|
|
column: generatedColumn
|
|
} = map.generatedPositionFor({
|
|
source: originalSourceActor.url,
|
|
line: originalLine,
|
|
column: originalColumn == null ? 0 : originalColumn,
|
|
bias: SourceMapConsumer.LEAST_UPPER_BOUND
|
|
});
|
|
|
|
return new GeneratedLocation(
|
|
this.createNonSourceMappedActor(source),
|
|
generatedLine,
|
|
generatedColumn
|
|
);
|
|
}
|
|
|
|
return GeneratedLocation.fromOriginalLocation(originalLocation);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Returns true if URL for the given source is black boxed.
|
|
*
|
|
* @param aURL String
|
|
* The URL of the source which we are checking whether it is black
|
|
* boxed or not.
|
|
*/
|
|
isBlackBoxed: function (aURL) {
|
|
return this.blackBoxedSources.has(aURL);
|
|
},
|
|
|
|
/**
|
|
* Add the given source URL to the set of sources that are black boxed.
|
|
*
|
|
* @param aURL String
|
|
* The URL of the source which we are black boxing.
|
|
*/
|
|
blackBox: function (aURL) {
|
|
this.blackBoxedSources.add(aURL);
|
|
},
|
|
|
|
/**
|
|
* Remove the given source URL to the set of sources that are black boxed.
|
|
*
|
|
* @param aURL String
|
|
* The URL of the source which we are no longer black boxing.
|
|
*/
|
|
unblackBox: function (aURL) {
|
|
this.blackBoxedSources.delete(aURL);
|
|
},
|
|
|
|
/**
|
|
* Returns true if the given URL is pretty printed.
|
|
*
|
|
* @param aURL String
|
|
* The URL of the source that might be pretty printed.
|
|
*/
|
|
isPrettyPrinted: function (aURL) {
|
|
return this.prettyPrintedSources.has(aURL);
|
|
},
|
|
|
|
/**
|
|
* Add the given URL to the set of sources that are pretty printed.
|
|
*
|
|
* @param aURL String
|
|
* The URL of the source to be pretty printed.
|
|
*/
|
|
prettyPrint: function (aURL, aIndent) {
|
|
this.prettyPrintedSources.set(aURL, aIndent);
|
|
},
|
|
|
|
/**
|
|
* Return the indent the given URL was pretty printed by.
|
|
*/
|
|
prettyPrintIndent: function (aURL) {
|
|
return this.prettyPrintedSources.get(aURL);
|
|
},
|
|
|
|
/**
|
|
* Remove the given URL from the set of sources that are pretty printed.
|
|
*
|
|
* @param aURL String
|
|
* The URL of the source that is no longer pretty printed.
|
|
*/
|
|
disablePrettyPrint: function (aURL) {
|
|
this.prettyPrintedSources.delete(aURL);
|
|
},
|
|
|
|
/**
|
|
* Normalize multiple relative paths towards the base paths on the right.
|
|
*/
|
|
_normalize: function (...aURLs) {
|
|
assert(aURLs.length > 1, "Should have more than 1 URL");
|
|
let base = Services.io.newURI(aURLs.pop(), null, null);
|
|
let url;
|
|
while ((url = aURLs.pop())) {
|
|
base = Services.io.newURI(url, null, base);
|
|
}
|
|
return base.spec;
|
|
},
|
|
|
|
iter: function () {
|
|
let actors = Object.keys(this._sourceMappedSourceActors).map(k => {
|
|
return this._sourceMappedSourceActors[k];
|
|
});
|
|
for (let actor of this._sourceActors.values()) {
|
|
if (!this._sourceMaps.has(actor.source)) {
|
|
actors.push(actor);
|
|
}
|
|
}
|
|
return actors;
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Checks if a source should never be displayed to the user because
|
|
* it's either internal or we don't support in the UI yet.
|
|
*/
|
|
function isHiddenSource(aSource) {
|
|
// Ignore the internal Function.prototype script
|
|
return aSource.text === '() {\n}';
|
|
}
|
|
|
|
/**
|
|
* Returns true if its argument is not null.
|
|
*/
|
|
function isNotNull(aThing) {
|
|
return aThing !== null;
|
|
}
|
|
|
|
exports.TabSources = TabSources;
|
|
exports.isHiddenSource = isHiddenSource;
|