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1
11 package org.eclipse.jdt.internal.debug.core.breakpoints;
12
13 import java.util.Map  ;
14
15 import org.eclipse.core.resources.IMarker;
16 import org.eclipse.core.resources.IResource;
17 import org.eclipse.core.resources.IWorkspaceRunnable;
18 import org.eclipse.core.runtime.CoreException;
19 import org.eclipse.core.runtime.IProgressMonitor;
20 import org.eclipse.core.runtime.IStatus;
21 import org.eclipse.core.runtime.Status;
22 import org.eclipse.debug.core.DebugException;
23 import org.eclipse.debug.core.model.IBreakpoint;
24 import org.eclipse.jdt.debug.core.IJavaClassPrepareBreakpoint;
25 import org.eclipse.jdt.debug.core.IJavaObject;
26 import org.eclipse.jdt.debug.core.IJavaThread;
27 import org.eclipse.jdt.debug.core.JDIDebugModel;
28 import org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget;
29 import org.eclipse.jdt.internal.debug.core.model.JDIThread;
30
31 import com.sun.jdi.ObjectReference;
32 import com.sun.jdi.ReferenceType;
33 import com.sun.jdi.ThreadReference;
34 import com.sun.jdi.event.ClassPrepareEvent;
35 import com.sun.jdi.request.ClassPrepareRequest;
36 import com.sun.jdi.request.EventRequest;
37
38
43 public class JavaClassPrepareBreakpoint extends JavaBreakpoint implements IJavaClassPrepareBreakpoint {
44
45 private static final String JAVA_CLASS_PREPARE_BREAKPOINT= "org.eclipse.jdt.debug.javaClassPrepareBreakpointMarker";
47
53 protected static final String MEMBER_TYPE = "org.eclipse.jdt.debug.core.memberType";
55
72 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 {
73 IWorkspaceRunnable wr= new IWorkspaceRunnable() {
74
75 public void run(IProgressMonitor monitor) throws CoreException {
76 setMarker(resource.createMarker(JAVA_CLASS_PREPARE_BREAKPOINT));
78
79 attributes.put(IBreakpoint.ID, getModelIdentifier());
81 attributes.put(IMarker.CHAR_START, new Integer (charStart));
82 attributes.put(IMarker.CHAR_END, new Integer (charEnd));
83 attributes.put(TYPE_NAME, typeName);
84 attributes.put(MEMBER_TYPE, new Integer (memberType));
85 attributes.put(ENABLED, Boolean.TRUE);
86 attributes.put(SUSPEND_POLICY, new Integer (getDefaultSuspendPolicy()));
87
88 ensureMarker().setAttributes(attributes);
89
90 register(add);
91 }
92
93 };
94 run(getMarkerRule(resource), wr);
95 }
96
97 public JavaClassPrepareBreakpoint() {
98 }
99
100
103 protected void createRequests(JDIDebugTarget target) throws CoreException {
104 if (target.isTerminated() || shouldSkipBreakpoint()) {
105 return;
106 }
107 String referenceTypeName= getTypeName();
108 if (referenceTypeName == null) {
109 return;
110 }
111
112 ClassPrepareRequest request = target.createClassPrepareRequest(referenceTypeName, null, false);
113 configureRequestHitCount(request);
114 updateEnabledState(request, target);
115 registerRequest(request, target);
116 incrementInstallCount();
118 }
119
120
125 protected void deregisterRequest(EventRequest request, JDIDebugTarget target) throws CoreException {
126 target.removeJDIEventListener(this, request);
127 if (getMarker().exists()) {
132 decrementInstallCount();
133 }
134 }
135
136
142 protected void addInstanceFilter(EventRequest request, ObjectReference object) {
143 }
144
150 protected EventRequest[] newRequests(JDIDebugTarget target, ReferenceType type) throws CoreException {
151 return null;
152 }
153
159 protected void setRequestThreadFilter(EventRequest request, ThreadReference thread) {
160 }
161
164 public boolean handleClassPrepareEvent(ClassPrepareEvent event, JDIDebugTarget target) {
165 try {
166 if (isEnabled() && event.referenceType().name().equals(getTypeName())) {
167 ThreadReference threadRef= event.thread();
168 JDIThread thread= target.findThread(threadRef);
169 if (thread == null || thread.isIgnoringBreakpoints()) {
170 return true;
171 }
172 return handleBreakpointEvent(event, target, thread);
173 }
174 } catch (CoreException e) {
175 }
176 return true;
177 }
178
181 public int getMemberType() throws CoreException {
182 return ensureMarker().getAttribute(MEMBER_TYPE, IJavaClassPrepareBreakpoint.TYPE_CLASS);
183 }
184
185
188 public boolean supportsInstanceFilters() {
189 return false;
190 }
191
194 public void addInstanceFilter(IJavaObject object) throws CoreException {
195 throw new CoreException(new Status(IStatus.ERROR, JDIDebugModel.getPluginIdentifier(), DebugException.REQUEST_FAILED, JDIDebugBreakpointMessages.JavaClassPrepareBreakpoint_2, null));
196 }
197
200 public void setThreadFilter(IJavaThread thread) throws CoreException {
201 throw new CoreException(new Status(IStatus.ERROR, JDIDebugModel.getPluginIdentifier(), DebugException.REQUEST_FAILED, JDIDebugBreakpointMessages.JavaClassPrepareBreakpoint_3, null));
202 }
203
206 public boolean supportsThreadFilters() {
207 return false;
208 }
209 }
210 |
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