tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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breakpoint-actor-map.js (2247B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 loader.lazyRequireGetter(
      8  this,
      9  "BreakpointActor",
     10  "resource://devtools/server/actors/breakpoint.js",
     11  true
     12 );
     13 
     14 /**
     15 * A BreakpointActorMap is a map from locations to instances of BreakpointActor.
     16 */
     17 class BreakpointActorMap {
     18  constructor(threadActor) {
     19    this._threadActor = threadActor;
     20    this._actors = {};
     21  }
     22 
     23  // Get the key in the _actors table for a given breakpoint location.
     24  // See also duplicate code in commands.js :(
     25  _locationKey(location) {
     26    const { sourceUrl, sourceId, line, column } = location;
     27    return `${sourceUrl}:${sourceId}:${line}:${column}`;
     28  }
     29 
     30  /**
     31   * Return all BreakpointActors in this BreakpointActorMap.
     32   */
     33  findActors() {
     34    return Object.values(this._actors);
     35  }
     36 
     37  listKeys() {
     38    return Object.keys(this._actors);
     39  }
     40 
     41  /**
     42   * Return the BreakpointActor at the given location in this
     43   * BreakpointActorMap.
     44   *
     45   * @param BreakpointLocation location
     46   *        The location for which the BreakpointActor should be returned.
     47   *
     48   * @returns BreakpointActor actor
     49   *          The BreakpointActor at the given location.
     50   */
     51  getOrCreateBreakpointActor(location) {
     52    const key = this._locationKey(location);
     53    if (!this._actors[key]) {
     54      this._actors[key] = new BreakpointActor(this._threadActor, location);
     55    }
     56    return this._actors[key];
     57  }
     58 
     59  get(location) {
     60    const key = this._locationKey(location);
     61    return this._actors[key];
     62  }
     63 
     64  /**
     65   * Delete the BreakpointActor from the given location in this
     66   * BreakpointActorMap.
     67   *
     68   * @param BreakpointLocation location
     69   *        The location from which the BreakpointActor should be deleted.
     70   */
     71  deleteActor(location) {
     72    const key = this._locationKey(location);
     73    delete this._actors[key];
     74  }
     75 
     76  /**
     77   * Unregister all currently active breakpoints.
     78   */
     79  removeAllBreakpoints() {
     80    for (const bpActor of Object.values(this._actors)) {
     81      bpActor.removeScripts();
     82    }
     83    this._actors = {};
     84  }
     85 }
     86 
     87 exports.BreakpointActorMap = BreakpointActorMap;