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   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 boolean isSuspended;
  39         private ILaunch launch;
  40         private PHPThread[] threads;
  41         private PHPDBGProxy phpDBGProxy;
  42
  43         public PHPDebugTarget(ILaunch launch, IProcess process) {
  44                 this.isSuspended = false;
  45                 this.launch = launch;
  46                 this.process = process;
  47                 this.threads = new PHPThread[0];
  48                 IBreakpointManager manager= DebugPlugin.getDefault().getBreakpointManager();
  49                 manager.addBreakpointListener(this);
  50                 DebugPlugin.getDefault().addDebugEventListener(this);
  51                 initialize();
  52         }
  53
  54         protected synchronized void initialize() {
  55                 DebugEvent ev = new DebugEvent(this, DebugEvent.CREATE);
  56                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
  57         }
  58
  59         public void addThread(PHPThread phpThread) {
  60                 int i;
  61                 PHPThread[] updatedThreads = new PHPThread[threads.length + 1];
  62
  63                 for(i=0; i < threads.length; i++) {
  64                         updatedThreads[i] = threads[i];
  65                 }
  66                 updatedThreads[i] = phpThread;
  67                 threads = updatedThreads;
  68
  69                 fireChangeEvent();
  70         }
  71
  72         private void fireChangeEvent() {
  73                 DebugEvent ev = new DebugEvent(this, DebugEvent.CHANGE);
  74                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
  75         }
  76
  77         protected PHPThread getThreadById(int id) {
  78                 for (int i = 0; i < threads.length; i++) {
  79                         if (threads[i].getId() == id) {
  80                                 return threads[i];
  81                         }
  82                 }
  83                 return null;
  84         }
  85
  86         public IThread[] getThreads() {
  87                 return threads;
  88         }
  89
  90         public boolean hasThreads() throws DebugException {
  91                 return threads.length > 0;
  92         }
  93
  94         public String getName() throws DebugException {
  95                 return "PHP Debugger at localhost:" + getPHPDBGProxy().getPort();
  96         }
  97
  98         public boolean supportsBreakpoint(IBreakpoint arg0) {
  99                 return false;
 100         }
 101
 102         public String getModelIdentifier() {
 103                 return PHPDebugCorePlugin.getUniqueIdentifier();
 104         }
 105
 106         public IDebugTarget getDebugTarget() {
 107                 return this;
 108         }
 109
 110         public ILaunch getLaunch() {
 111                 return launch;
 112         }
 113
 114         public boolean canTerminate() {
 115                 return !isTerminated;
 116         }
 117
 118         public boolean isTerminated() {
 119                 return isTerminated;
 120         }
 121
 122         public void terminate() {
 123                 phpDBGProxy.stop();
 124                 this.threads = new PHPThread[0];
 125                 isTerminated = true;
 126                 fireChangeEvent();
 127         }
 128
 129         public boolean canResume() {
 130                 if(isTerminated) return false;
 131                 return isSuspended;
 132         }
 133
 134         public boolean canSuspend() {
 135                 if(isTerminated) return false;
 136                 return !isSuspended;
 137         }
 138
 139         public boolean isSuspended() {
 140                 return isSuspended;
 141         }
 142
 143         public void resume() throws DebugException {
 144                 this.getPHPDBGProxy().resume();
 145                 isSuspended= false;
 146         }
 147
 148         public void suspend() throws DebugException {
 149                 this.getPHPDBGProxy().pause();
 150                 isSuspended= true;
 151         }
 152
 153         public void breakpointAdded(IBreakpoint breakpoint) {
 154                 this.getPHPDBGProxy().addBreakpoint(breakpoint) ;
 155         }
 156
 157         public void breakpointRemoved(IBreakpoint breakpoint, IMarkerDelta arg1) {
 158                 this.getPHPDBGProxy().removeBreakpoint(breakpoint) ;
 159         }
 160
 161         public void breakpointChanged(IBreakpoint breakpoint, IMarkerDelta arg1) {
 162                 // is called e.g. after a line has been inserted before a breakpoint
 163                 // but then the debugger is out of sync with the file anyway, so debugging
 164                 // should be stopped here.
 165         }
 166
 167         public boolean canDisconnect() {
 168                 return false;
 169         }
 170
 171         public void disconnect() throws DebugException {
 172         }
 173
 174         public boolean isDisconnected() {
 175                 return false;
 176         }
 177
 178         public boolean supportsStorageRetrieval() {
 179                 return false;
 180         }
 181
 182         public IMemoryBlock getMemoryBlock(long arg0, long arg1) throws DebugException {
 183                 return null;
 184         }
 185
 186         public Object getAdapter(Class arg0) {
 187                 return null;
 188         }
 189
 190         public IProcess getProcess() {
 191                 return process;
 192         }
 193
 194         public void setProcess(IProcess process) {
 195                 this.process = process;
 196         }
 197
 198         public PHPDBGProxy getPHPDBGProxy() {
 199                 return phpDBGProxy;
 200         }
 201
 202         public void setPHPDBGProxy(PHPDBGProxy phpDBGProxy) {
 203                 this.phpDBGProxy = phpDBGProxy;
 204         }
 205
 206         /**
 207          * @see ILaunchListener#launchRemoved(ILaunch)
 208          */
 209         public void launchRemoved(ILaunch launch) {
 210                 if (!isTerminated()) {
 211                         return;
 212                 }
 213                 if (launch.equals(getLaunch())) {
 214                         // This target has been deregistered, but it hasn't successfully terminated.
 215                         // Update internal state to reflect that it is disconnected
 216                         terminate();
 217                 }
 218         }
 219
 220         /**
 221          * @see ILaunchListener#launchAdded(ILaunch)
 222          */
 223         public void launchAdded(ILaunch launch) {
 224         }
 225
 226         /**
 227          * @see ILaunchListener#launchChanged(ILaunch)
 228          */
 229         public void launchChanged(ILaunch launch) {
 230         }
 231
 232         /**
 233          * When a debug target or process terminates, terminate DBG Proxy.
 234          *
 235          * @see IDebugEventSetListener#handleDebugEvents(DebugEvent[])
 236          */
 237         public void handleDebugEvents(DebugEvent[] events) {
 238                 for (int i = 0; i < events.length; i++) {
 239                         DebugEvent event = events[i];
 240                         if (event.getKind() == DebugEvent.TERMINATE) {
 241                                 Object source = event.getSource();
 242                                 if (source instanceof PHPDebugTarget || source instanceof IDebugTarget) {
 243                                         getPHPDBGProxy().stop();
 244                                 } else if(source instanceof IProcess) {
 245                                         if(getDebugTarget().getProcess() == (IProcess)source) {
 246                                                 getPHPDBGProxy().stop();
 247                                         }
 248                                 }
 249                         } else if (event.getKind() == DebugEvent.SUSPEND) {
 250                                 getPHPDBGProxy().pause();
 251                         }
 252                 }
 253         }
 254 }
 255