net.sourceforge.phpeclipse.debug.core/src/net/sourceforge/phpdt/internal/debug/core/model/PHPDebugTarget.java

   1 /**********************************************************************
   2 Copyright (c) 2000, 2002 IBM Corp. and others.
   3 All rights reserved. This program and the accompanying materials
   4 are made available under the terms of the Common Public License v1.0
   5 which accompanies this distribution, and is available at
   6 http://www.eclipse.org/legal/cpl-v10.html
   7
   8 Contributors:
   9     IBM Corporation - Initial implementation
  10     Vicente Fernando - www.alfersoft.com.ar
  11 **********************************************************************/
  12 package net.sourceforge.phpdt.internal.debug.core.model;
  13
  14 import org.eclipse.core.resources.IMarkerDelta;
  15 import org.eclipse.debug.core.DebugEvent;
  16 import org.eclipse.debug.core.DebugException;
  17 import org.eclipse.debug.core.DebugPlugin;
  18 import org.eclipse.debug.core.IBreakpointManager;
  19 import org.eclipse.debug.core.IDebugEventSetListener;
  20 import org.eclipse.debug.core.ILaunch;
  21 import org.eclipse.debug.core.ILaunchListener;
  22 import org.eclipse.debug.core.model.IDebugTarget;
  23 import org.eclipse.debug.core.model.IBreakpoint;
  24 import org.eclipse.debug.core.model.IMemoryBlock;
  25 import org.eclipse.debug.core.model.IProcess;
  26 import org.eclipse.debug.core.model.IThread;
  27
  28 import net.sourceforge.phpdt.internal.debug.core.PHPDebugCorePlugin;
  29 import net.sourceforge.phpdt.internal.debug.core.PHPDBGProxy;
  30
  31 /**
  32  * Debug target for PHP debug model.
  33  */
  34 public class PHPDebugTarget implements IPHPDebugTarget, ILaunchListener, IDebugEventSetListener {
  35
  36         private IProcess process;
  37         private boolean isTerminated;
  38         private ILaunch launch;
  39         private PHPThread[] threads;
  40         private PHPDBGProxy phpDBGProxy;
  41
  42         public PHPDebugTarget(ILaunch launch, IProcess process) {
  43                 this.launch = launch;
  44                 this.process = process;
  45                 this.threads = new PHPThread[0];
  46                 IBreakpointManager manager= DebugPlugin.getDefault().getBreakpointManager();
  47                 manager.addBreakpointListener(this);
  48                 DebugPlugin.getDefault().addDebugEventListener(this);
  49                 initialize();
  50         }
  51
  52         protected synchronized void initialize() {
  53                 DebugEvent ev = new DebugEvent(this, DebugEvent.CREATE);
  54                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
  55         }
  56
  57         public void addThread(PHPThread phpThread) {
  58                 int i;
  59                 PHPThread[] updatedThreads = new PHPThread[threads.length + 1];
  60
  61                 for(i=0; i < threads.length; i++) {
  62                         updatedThreads[i] = threads[i];
  63                 }
  64                 updatedThreads[i] = phpThread;
  65                 threads = updatedThreads;
  66
  67                 fireChangeEvent();
  68         }
  69
  70         private void fireChangeEvent() {
  71                 DebugEvent ev = new DebugEvent(this, DebugEvent.CHANGE);
  72                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
  73         }
  74
  75         protected PHPThread getThreadById(int id) {
  76                 for (int i = 0; i < threads.length; i++) {
  77                         if (threads[i].getId() == id) {
  78                                 return threads[i];
  79                         }
  80                 }
  81                 return null;
  82         }
  83
  84         public IThread[] getThreads() {
  85                 return threads;
  86         }
  87
  88         public boolean hasThreads() throws DebugException {
  89                 return threads.length > 0;
  90         }
  91
  92         public String getName() throws DebugException {
  93                 return "PHP Debugger at localhost:" + getPHPDBGProxy().getPort();
  94         }
  95
  96         public boolean supportsBreakpoint(IBreakpoint arg0) {
  97                 return false;
  98         }
  99
 100         public String getModelIdentifier() {
 101                 return PHPDebugCorePlugin.getUniqueIdentifier();
 102         }
 103
 104         public IDebugTarget getDebugTarget() {
 105                 return this;
 106         }
 107
 108         public ILaunch getLaunch() {
 109                 return launch;
 110         }
 111
 112         public boolean canTerminate() {
 113                 return !isTerminated;
 114         }
 115
 116         public boolean isTerminated() {
 117                 return isTerminated;
 118         }
 119
 120         public void terminate() {
 121                 phpDBGProxy.stop();
 122                 this.threads = new PHPThread[0];
 123                 isTerminated = true;
 124                 fireChangeEvent();
 125         }
 126
 127         public boolean canResume() {
 128                 return false;
 129         }
 130
 131         public boolean canSuspend() {
 132                 return false;
 133         }
 134
 135         public boolean isSuspended() {
 136                 return false;
 137         }
 138
 139         public void resume() throws DebugException {
 140         }
 141
 142         public void suspend() throws DebugException {
 143         }
 144
 145         public void breakpointAdded(IBreakpoint breakpoint) {
 146                 this.getPHPDBGProxy().addBreakpoint(breakpoint) ;
 147         }
 148
 149         public void breakpointRemoved(IBreakpoint breakpoint, IMarkerDelta arg1) {
 150                 this.getPHPDBGProxy().removeBreakpoint(breakpoint) ;
 151         }
 152
 153         public void breakpointChanged(IBreakpoint breakpoint, IMarkerDelta arg1) {
 154                 // is called e.g. after a line has been inserted before a breakpoint
 155                 // but then the debugger is out of sync with the file anyway, so debugging
 156                 // should be stopped here.
 157         }
 158
 159         public boolean canDisconnect() {
 160                 return false;
 161         }
 162
 163         public void disconnect() throws DebugException {
 164         }
 165
 166         public boolean isDisconnected() {
 167                 return false;
 168         }
 169
 170         public boolean supportsStorageRetrieval() {
 171                 return false;
 172         }
 173
 174         public IMemoryBlock getMemoryBlock(long arg0, long arg1) throws DebugException {
 175                 return null;
 176         }
 177
 178         public Object getAdapter(Class arg0) {
 179                 return null;
 180         }
 181
 182         public IProcess getProcess() {
 183                 return process;
 184         }
 185
 186         public void setProcess(IProcess process) {
 187                 this.process = process;
 188         }
 189
 190         public PHPDBGProxy getPHPDBGProxy() {
 191                 return phpDBGProxy;
 192         }
 193
 194         public void setPHPDBGProxy(PHPDBGProxy phpDBGProxy) {
 195                 this.phpDBGProxy = phpDBGProxy;
 196         }
 197
 198         /**
 199          * @see ILaunchListener#launchRemoved(ILaunch)
 200          */
 201         public void launchRemoved(ILaunch launch) {
 202                 if (!isTerminated()) {
 203                         return;
 204                 }
 205                 if (launch.equals(getLaunch())) {
 206                         // This target has been deregistered, but it hasn't successfully terminated.
 207                         // Update internal state to reflect that it is disconnected
 208                         terminate();
 209                 }
 210         }
 211
 212         /**
 213          * @see ILaunchListener#launchAdded(ILaunch)
 214          */
 215         public void launchAdded(ILaunch launch) {
 216         }
 217
 218         /**
 219          * @see ILaunchListener#launchChanged(ILaunch)
 220          */
 221         public void launchChanged(ILaunch launch) {
 222         }
 223
 224         /**
 225          * When a debug target or process terminates, terminate DBG Proxy.
 226          *
 227          * @see IDebugEventSetListener#handleDebugEvents(DebugEvent[])
 228          */
 229         public void handleDebugEvents(DebugEvent[] events) {
 230                 for (int i = 0; i < events.length; i++) {
 231                         DebugEvent event = events[i];
 232                         if (event.getKind() == DebugEvent.TERMINATE) {
 233                                 Object source = event.getSource();
 234                                 if (source instanceof PHPDebugTarget || source instanceof IDebugTarget || source instanceof IProcess) {
 235                                         getPHPDBGProxy().stop();
 236                                 }
 237                         }
 238                 }
 239         }
 240 }
 241