| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @unrestricted |
| */ |
| export class HeapSnapshotWorkerDispatcher { |
| constructor(globalObject, postMessage) { |
| this._objects = []; |
| this._global = globalObject; |
| this._postMessage = postMessage; |
| } |
| |
| _findFunction(name) { |
| const path = name.split('.'); |
| let result = this._global; |
| for (let i = 0; i < path.length; ++i) { |
| result = result[path[i]]; |
| } |
| return result; |
| } |
| |
| /** |
| * @param {string} name |
| * @param {*} data |
| */ |
| sendEvent(name, data) { |
| this._postMessage({eventName: name, data: data}); |
| } |
| |
| dispatchMessage(event) { |
| const data = /** @type {!HeapSnapshotModel.WorkerCommand } */ (event.data); |
| const response = {callId: data.callId}; |
| try { |
| switch (data.disposition) { |
| case 'create': |
| const constructorFunction = this._findFunction(data.methodName); |
| this._objects[data.objectId] = new constructorFunction(this); |
| break; |
| case 'dispose': |
| delete this._objects[data.objectId]; |
| break; |
| case 'getter': { |
| const object = this._objects[data.objectId]; |
| const result = object[data.methodName]; |
| response.result = result; |
| break; |
| } |
| case 'factory': { |
| const object = this._objects[data.objectId]; |
| const result = object[data.methodName].apply(object, data.methodArguments); |
| if (result) { |
| this._objects[data.newObjectId] = result; |
| } |
| response.result = !!result; |
| break; |
| } |
| case 'method': { |
| const object = this._objects[data.objectId]; |
| response.result = object[data.methodName].apply(object, data.methodArguments); |
| break; |
| } |
| case 'evaluateForTest': |
| try { |
| response.result = self.eval(data.source); |
| } catch (e) { |
| response.result = e.toString(); |
| } |
| break; |
| } |
| } catch (e) { |
| response.error = e.toString(); |
| response.errorCallStack = e.stack; |
| if (data.methodName) { |
| response.errorMethodName = data.methodName; |
| } |
| } |
| this._postMessage(response); |
| } |
| } |
| |
| /* Legacy exported object */ |
| self.HeapSnapshotWorker = self.HeapSnapshotWorker || {}; |
| |
| /* Legacy exported object */ |
| HeapSnapshotWorker = HeapSnapshotWorker || {}; |
| |
| /** @constructor */ |
| HeapSnapshotWorker.HeapSnapshotWorkerDispatcher = HeapSnapshotWorkerDispatcher; |