| /******************************************************************************* |
| * Copyright (c) 2013 Christian Pontesegger and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * Christian Pontesegger - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ease.lang.javascript.rhino; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.ease.ScriptExecutionException; |
| import org.mozilla.javascript.Context; |
| import org.mozilla.javascript.ContextFactory; |
| |
| public class ObservingContextFactory extends ContextFactory { |
| |
| private final Set<Context> mTerminationRequests = new HashSet<>(); |
| |
| @Override |
| protected synchronized void observeInstructionCount(final Context cx, final int instructionCount) { |
| if (mTerminationRequests.remove(cx)) |
| throw new ScriptExecutionException("Engine got terminated"); |
| |
| super.observeInstructionCount(cx, instructionCount); |
| } |
| |
| public synchronized void terminate(final Context context) { |
| mTerminationRequests.add(context); |
| } |
| |
| public void cancelTerminate(final Context context) { |
| mTerminationRequests.remove(context); |
| } |
| } |