| /******************************************************************************* |
| * Copyright (c) 2010 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.debug.internal.rhino.jsdi.request; |
| |
| import org.eclipse.wst.jsdt.debug.core.jsdi.ThreadReference; |
| import org.eclipse.wst.jsdt.debug.core.jsdi.request.StepRequest; |
| import org.eclipse.wst.jsdt.debug.internal.rhino.jsdi.ThreadReferenceImpl; |
| import org.eclipse.wst.jsdt.debug.internal.rhino.jsdi.VirtualMachineImpl; |
| import org.eclipse.wst.jsdt.debug.internal.rhino.transport.JSONConstants; |
| |
| /** |
| * Rhino implementation of {@link StepRequest} |
| * |
| * @since 1.0 |
| */ |
| public class StepRequestImpl extends EventRequestImpl implements StepRequest { |
| |
| private final ThreadReferenceImpl thread; |
| private final int step; |
| |
| /** |
| * Constructor |
| * @param vm |
| * @param thread |
| * @param step |
| */ |
| public StepRequestImpl(VirtualMachineImpl vm, ThreadReference thread, int step) { |
| super(vm); |
| this.thread = (ThreadReferenceImpl) thread; |
| this.step = step; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.request.StepRequest#step() |
| */ |
| public int step() { |
| return step; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.request.StepRequest#thread() |
| */ |
| public ThreadReference thread() { |
| return thread; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.internal.rhino.jsdi.request.EventRequestImpl#setEnabled(boolean) |
| */ |
| public synchronized void setEnabled(boolean enabled) { |
| checkDeleted(); |
| if (this.enabled == enabled) { |
| return; |
| } |
| if (enabled) { |
| String stepType = null; |
| if (step == STEP_INTO) { |
| stepType = JSONConstants.STEP_IN; |
| } |
| else if (step == STEP_OVER) { |
| stepType = JSONConstants.STEP_NEXT; |
| } |
| else if (step == STEP_OUT) { |
| stepType = JSONConstants.STEP_OUT; |
| } |
| if (thread.getStep() != null) { |
| throw new IllegalStateException("duplicate step"); //$NON-NLS-1$ |
| } |
| thread.setStep(stepType); |
| } else { |
| thread.setStep(null); |
| } |
| this.enabled = enabled; |
| } |
| } |