| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.jdi.internal.request; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| |
| import org.eclipse.jdi.internal.VirtualMachineImpl; |
| import org.eclipse.jdi.internal.event.EventImpl; |
| import org.eclipse.jdi.internal.jdwp.JdwpCommandPacket; |
| import org.eclipse.jdi.internal.jdwp.JdwpReplyPacket; |
| |
| /** |
| * this class implements the corresponding interfaces declared by the OTI Hot |
| * Code Replacement extentions of the JDI specification. |
| */ |
| |
| public class ReenterStepRequestImpl extends StepRequestImpl implements |
| org.eclipse.jdi.hcr.ReenterStepRequest { |
| /** |
| * Creates new ReenterStepRequestImpl. |
| */ |
| public ReenterStepRequestImpl(VirtualMachineImpl vmImpl) { |
| super("ReenterStepRequest", vmImpl); //$NON-NLS-1$ |
| } |
| |
| /** |
| * @return Returns JDWP constant for step depth. |
| */ |
| @Override |
| public int threadStepDepthJDWP(int threadStepDepth) { |
| return STEP_DEPTH_REENTER_JDWP_HCR; |
| } |
| |
| /** |
| * Enables event request. |
| */ |
| @Override |
| public void enable() { |
| if (isEnabled()) |
| return; |
| |
| initJdwpRequest(); |
| try { |
| ByteArrayOutputStream outBytes = new ByteArrayOutputStream(); |
| DataOutputStream outData = new DataOutputStream(outBytes); |
| writeByte(eventKind(), |
| "event kind", EventImpl.eventKindMap(), outData); // Always 01 for Step event. //$NON-NLS-1$ |
| writeByte(suspendPolicyJDWP(), "suspend policy", outData); //$NON-NLS-1$ |
| writeInt(modifierCount(), "modifiers", outData); //$NON-NLS-1$ |
| writeModifiers(outData); |
| |
| JdwpReplyPacket replyPacket = requestVM( |
| JdwpCommandPacket.HCR_REENTER_ON_EXIT, outBytes); |
| defaultReplyErrorHandler(replyPacket.errorCode()); |
| DataInputStream replyData = replyPacket.dataInStream(); |
| fRequestID = RequestID.read(this, replyData); |
| virtualMachineImpl().eventRequestManagerImpl().addRequestIDMapping( |
| this); |
| } catch (IOException e) { |
| defaultIOExceptionHandler(e); |
| } finally { |
| handledJdwpRequest(); |
| } |
| } |
| } |