| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.core.breakpoints; |
| |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IBreakpoint; |
| import org.eclipse.jdt.debug.core.IJavaClassPrepareBreakpoint; |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.debug.core.JDIDebugModel; |
| import org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget; |
| import org.eclipse.jdt.internal.debug.core.model.JDIThread; |
| |
| import com.sun.jdi.ObjectReference; |
| import com.sun.jdi.ReferenceType; |
| import com.sun.jdi.ThreadReference; |
| import com.sun.jdi.event.ClassPrepareEvent; |
| import com.sun.jdi.request.ClassPrepareRequest; |
| import com.sun.jdi.request.EventRequest; |
| |
| /** |
| * Class prepare breakpoint. |
| * |
| * @since 3.0 |
| */ |
| public class JavaClassPrepareBreakpoint extends JavaBreakpoint implements IJavaClassPrepareBreakpoint { |
| |
| private static final String JAVA_CLASS_PREPARE_BREAKPOINT= "org.eclipse.jdt.debug.javaClassPrepareBreakpointMarker"; //$NON-NLS-1$ |
| |
| /** |
| * Class prepare breakpoint attribute storing the type of member this |
| * breakpoint is associated with |
| * (value <code>"org.eclipse.jdt.debug.core.memberType"</code>), encoded |
| * as an integer. |
| */ |
| protected static final String MEMBER_TYPE = "org.eclipse.jdt.debug.core.memberType"; //$NON-NLS-1$ |
| |
| /** |
| * Creates and returns a Java class prepare breakpoint for the |
| * given type. |
| * @param resource the resource on which to create the associated |
| * breakpoint marker |
| * @param typeName the fully qualified name of the type for |
| * which to create the breakpoint |
| * @param memberType one of <code>TYPE_CLASS</code> or <code>TYPE_INTERFACE</code> |
| * @param charStart the first character index associated with the breakpoint, |
| * or -1 if unspecified, in the source file in which the breakpoint is set |
| * @param charEnd the last character index associated with the breakpoint, |
| * or -1 if unspecified, in the source file in which the breakpoint is set |
| * @param add whether to add this breakpoint to the breakpoint manager |
| * @return a Java class prepare breakpoint |
| * @exception DebugException if unable to create the associated marker due |
| * to a lower level exception. |
| */ |
| public JavaClassPrepareBreakpoint(final IResource resource, final String typeName, final int memberType, final int charStart, final int charEnd, final boolean add, final Map attributes) throws DebugException { |
| IWorkspaceRunnable wr= new IWorkspaceRunnable() { |
| |
| public void run(IProgressMonitor monitor) throws CoreException { |
| // create the marker |
| setMarker(resource.createMarker(JAVA_CLASS_PREPARE_BREAKPOINT)); |
| |
| // add attributes |
| attributes.put(IBreakpoint.ID, getModelIdentifier()); |
| attributes.put(IMarker.CHAR_START, new Integer(charStart)); |
| attributes.put(IMarker.CHAR_END, new Integer(charEnd)); |
| attributes.put(TYPE_NAME, typeName); |
| attributes.put(MEMBER_TYPE, new Integer(memberType)); |
| attributes.put(ENABLED, Boolean.TRUE); |
| |
| ensureMarker().setAttributes(attributes); |
| |
| register(add); |
| } |
| |
| }; |
| run(getMarkerRule(resource), wr); |
| } |
| |
| public JavaClassPrepareBreakpoint() { |
| } |
| |
| /** |
| * Creates event requests for the given target |
| */ |
| protected void createRequests(JDIDebugTarget target) throws CoreException { |
| if (target.isTerminated() || shouldSkipBreakpoint()) { |
| return; |
| } |
| String referenceTypeName= getTypeName(); |
| if (referenceTypeName == null) { |
| return; |
| } |
| |
| ClassPrepareRequest request = target.createClassPrepareRequest(referenceTypeName, null, false); |
| configureRequestHitCount(request); |
| updateEnabledState(request, target); |
| registerRequest(request, target); |
| // TODO: do we show anything for types already loaded? |
| incrementInstallCount(); |
| } |
| |
| /** |
| * Remove the given request from the given target. If the request |
| * is the breakpoint request associated with this breakpoint, |
| * decrement the install count. |
| */ |
| protected void deregisterRequest(EventRequest request, JDIDebugTarget target) throws CoreException { |
| target.removeJDIEventListener(this, request); |
| // A request may be getting deregistered because the breakpoint has |
| // been deleted. It may be that this occurred because of a marker deletion. |
| // Don't try updating the marker (decrementing the install count) if |
| // it no longer exists. |
| if (getMarker().exists()) { |
| decrementInstallCount(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * |
| * Not supported for class prepare breakpoints. |
| * |
| * @see org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint#addInstanceFilter(com.sun.jdi.request.EventRequest, com.sun.jdi.ObjectReference) |
| */ |
| protected void addInstanceFilter(EventRequest request, ObjectReference object) { |
| } |
| /* (non-Javadoc) |
| * |
| * This method not used for class prepare breakpoints. |
| * |
| * @see org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint#newRequest(org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget, com.sun.jdi.ReferenceType) |
| */ |
| protected EventRequest[] newRequests(JDIDebugTarget target, ReferenceType type) throws CoreException { |
| return null; |
| } |
| /* (non-Javadoc) |
| * |
| * Not supported for class prepare breakpoints. |
| * |
| * @see org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint#setRequestThreadFilter(com.sun.jdi.request.EventRequest, com.sun.jdi.ThreadReference) |
| */ |
| protected void setRequestThreadFilter(EventRequest request, ThreadReference thread) { |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint#handleClassPrepareEvent(com.sun.jdi.event.ClassPrepareEvent, org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget) |
| */ |
| public boolean handleClassPrepareEvent(ClassPrepareEvent event, JDIDebugTarget target) { |
| try { |
| if (isEnabled() && event.referenceType().name().equals(getTypeName())) { |
| ThreadReference threadRef= event.thread(); |
| JDIThread thread= target.findThread(threadRef); |
| if (thread == null || thread.isIgnoringBreakpoints()) { |
| return true; |
| } |
| return handleBreakpointEvent(event, target, thread); |
| } |
| } catch (CoreException e) { |
| } |
| return true; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaClassPrepareBreakpoint#getMemberType() |
| */ |
| public int getMemberType() throws CoreException { |
| return ensureMarker().getAttribute(MEMBER_TYPE, IJavaClassPrepareBreakpoint.TYPE_CLASS); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaBreakpoint#supportsInstanceFilters() |
| */ |
| public boolean supportsInstanceFilters() { |
| return false; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaBreakpoint#addInstanceFilter(org.eclipse.jdt.debug.core.IJavaObject) |
| */ |
| public void addInstanceFilter(IJavaObject object) throws CoreException { |
| throw new CoreException(new Status(IStatus.ERROR, JDIDebugModel.getPluginIdentifier(), DebugException.REQUEST_FAILED, JDIDebugBreakpointMessages.getString("JavaClassPrepareBreakpoint.2"), null)); //$NON-NLS-1$ |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaBreakpoint#setThreadFilter(org.eclipse.jdt.debug.core.IJavaThread) |
| */ |
| public void setThreadFilter(IJavaThread thread) throws CoreException { |
| throw new CoreException(new Status(IStatus.ERROR, JDIDebugModel.getPluginIdentifier(), DebugException.REQUEST_FAILED, JDIDebugBreakpointMessages.getString("JavaClassPrepareBreakpoint.3"), null)); //$NON-NLS-1$ |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaBreakpoint#supportsThreadFilters() |
| */ |
| public boolean supportsThreadFilters() { |
| return false; |
| } |
| } |