net.sourceforge.phpeclipse.xdebug.core/src/net/sourceforge/phpeclipse/xdebug/php/model/XDebugThread.java

   1 /*
   2  * Created on 23.11.2004
   3  *
   4  * TODO To change the template for this generated file go to
   5  * Window - Preferences - Java - Code Style - Code Templates
   6  */
   7 package net.sourceforge.phpeclipse.xdebug.php.model;
   8
   9 import java.net.MalformedURLException;
  10 import java.net.URL;
  11
  12 import net.sourceforge.phpeclipse.xdebug.core.PHPDebugUtils;
  13 import net.sourceforge.phpeclipse.xdebug.core.xdebug.ResponseListener.XDebugResponse;
  14
  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.IDebugEventSetListener;
  19 import org.eclipse.debug.core.model.IBreakpoint;
  20 import org.eclipse.debug.core.model.IStackFrame;
  21 import org.eclipse.debug.core.model.IThread;
  22 import org.w3c.dom.Node;
  23 import org.w3c.dom.NodeList;
  24
  25 /**
  26  * @author Axel
  27  *
  28  * TODO To change the template for this generated type comment go to
  29  * Window - Preferences - Java - Code Style - Code Templates
  30  */
  31 public class XDebugThread extends XDebugElement implements IThread, IDebugEventSetListener {
  32         private XDebugStackFrame[]  fStackFrames;
  33
  34         private IBreakpoint[] fBreakpoints;
  35
  36         /* Whether this thread is stepping */
  37         private boolean fStepping = false;
  38         private boolean fTerminated = false;
  39
  40         private int fStepCount = 0;
  41         private int fCurrentStepCount = 0;
  42
  43         /**
  44          * Constructs a new thread for the given target
  45          *
  46          * @param target VM
  47          */
  48         public XDebugThread(XDebugTarget target) {
  49                 super(target);
  50                 DebugPlugin.getDefault().addDebugEventListener(this);
  51                 fStackFrames = null;
  52         }
  53
  54         public void incrementStepCounter() {
  55                 fStepCount++;
  56         }
  57
  58         public IStackFrame[] getStackFrames() throws DebugException {
  59                 XDebugStackFrame[] newStackFrames = null;
  60
  61                 if (isSuspended()) {
  62                         if (fStepCount > fCurrentStepCount) {
  63                                 //newStackFrames = ((XDebugTarget) getDebugTarget()).getStackFrames();
  64
  65                                 XDebugResponse dr = ((XDebugTarget) getDebugTarget()).getStackFrames();
  66                                 newStackFrames = _getStackFrames(dr);
  67
  68                                 for (int i = 0; i < newStackFrames.length; i++) {
  69                                         newStackFrames[i].getVariables();
  70                                 }
  71
  72                                 if (fStackFrames != null) {
  73                                         if (newStackFrames.length >= fStackFrames.length) {
  74                                                 int delta = newStackFrames.length - fStackFrames.length + 1;
  75
  76                                                 for (int i = fStackFrames.length - 1; i >= 0; i--) {
  77                                                         if (fStackFrames[i].equals(newStackFrames[newStackFrames.length - delta])) {
  78                                                                 int b = 2; b++;
  79                                                                 //((XDebugStackFrame) newStackFrames[newStackFrames.length - delta]).evaluateChange((XDebugStackFrame) fStackFrames[i]);
  80                                                         } else if (fStackFrames[i].isSameStackFrame(newStackFrames[newStackFrames.length - delta])) {
  81                                                                 int b = 2; b++;
  82                                                                 //((XDebugStackFrame) newStackFrames[newStackFrames.length - delta]).evaluateChange((XDebugStackFrame) fStackFrames[i]);
  83                                                         }
  84
  85                                                         delta ++;
  86                                                 }
  87                                         } else {
  88                                         }
  89                                 }
  90
  91                                 fCurrentStepCount++;
  92
  93                                 fStackFrames = newStackFrames;
  94                         }
  95                         return fStackFrames;
  96                 } else {
  97                         return new IStackFrame[0];
  98                 }
  99         }
 100
 101         private XDebugStackFrame[] _getStackFrames(XDebugResponse lastResponse) {
 102                 //IStackFrame[] newStackFrames = null;
 103
 104         if (lastResponse.isError())
 105                 return new XDebugStackFrame[0];
 106         Node response = lastResponse.getParentNode();
 107         NodeList frames = response.getChildNodes();
 108         XDebugStackFrame[] theFrames = new XDebugStackFrame[frames.getLength()];
 109         for (int i = 0; i < frames.getLength(); i++) {
 110                 Node stackNode = frames.item(i);
 111                 XDebugStackFrame frame = new XDebugStackFrame(this/*fThread*/, i);
 112                 String level =PHPDebugUtils.getAttributeValue(stackNode,"level");
 113                 if (!"".equals(level))
 114                         frame.setLevel(Integer.parseInt(level));
 115
 116                 frame.setType(PHPDebugUtils.getAttributeValue(stackNode,"type"));
 117                 String fileName=PHPDebugUtils.unescapeString(PHPDebugUtils.getAttributeValue(stackNode,"filename"));
 118                 String lineNo=PHPDebugUtils.getAttributeValue(stackNode,"lineno");
 119
 120                 if (!"".equals(lineNo))
 121                         frame.setLineNumber(Integer.parseInt(lineNo));
 122
 123                 frame.setWhere(PHPDebugUtils.getAttributeValue(stackNode,"where"));
 124
 125                 try {
 126                         frame.setFullName(new URL(fileName));
 127                 } catch (MalformedURLException e) {
 128                         e.printStackTrace();
 129                 }
 130
 131                 frame.incrementStepCounter();
 132
 133                 theFrames[i] = frame;
 134         }
 135                 return /*newStackFrames*/theFrames;
 136         }
 137
 138         /* (non-Javadoc)
 139          * @see org.eclipse.debug.core.model.IThread#hasStackFrames()
 140          */
 141         public boolean hasStackFrames() throws DebugException {
 142                 return isSuspended();
 143         }
 144
 145         /* (non-Javadoc)
 146          * @see org.eclipse.debug.core.model.IThread#getPriority()
 147          */
 148         public int getPriority() throws DebugException {
 149                 return 0;
 150         }
 151
 152         /* (non-Javadoc)
 153          * @see org.eclipse.debug.core.model.IThread#getTopStackFrame()
 154          */
 155         public IStackFrame getTopStackFrame() throws DebugException {
 156                 IStackFrame[] frames = getStackFrames();
 157                 if (frames.length > 0) {
 158                         return frames[0];
 159                 }
 160
 161                 return null;
 162         }
 163
 164         /* (non-Javadoc)
 165          * @see org.eclipse.debug.core.model.IThread#getName()
 166          */
 167         public String getName() throws DebugException {
 168                 return "Thread[1]";
 169         }
 170
 171         /* (non-Javadoc)
 172          * @see org.eclipse.debug.core.model.IThread#getBreakpoints()
 173          */
 174         public IBreakpoint[] getBreakpoints() {
 175                 if (fBreakpoints == null) {
 176                         return new IBreakpoint[0];
 177                 }
 178                 return fBreakpoints;
 179         }
 180
 181         /**
 182          * Sets the breakpoints this thread is suspended at, or <code>null</code>
 183          * if none.
 184          *
 185          * @param breakpoints the breakpoints this thread is suspended at, or <code>null</code>
 186          * if none
 187          */
 188         protected void setBreakpoints(IBreakpoint[] breakpoints) {
 189                 fBreakpoints = breakpoints;
 190         }
 191
 192         /* (non-Javadoc)
 193          * @see org.eclipse.debug.core.model.ISuspendResume#canResume()
 194          */
 195         public boolean canResume() {
 196                 return isSuspended();
 197         }
 198
 199         /* (non-Javadoc)
 200          * @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
 201          */
 202         public boolean canSuspend() {
 203                 return !isTerminated() && !isSuspended();
 204         }
 205
 206         /* (non-Javadoc)
 207          * @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
 208          */
 209         public boolean isSuspended() {
 210                 return fTarget.isSuspended();
 211         }
 212
 213         /* (non-Javadoc)
 214          * @see org.eclipse.debug.core.model.ISuspendResume#resume()
 215          */
 216         public void resume() throws DebugException {
 217                 fBreakpoints=null;
 218                 fTarget.resume();
 219         }
 220
 221         /* (non-Javadoc)
 222          * @see org.eclipse.debug.core.model.ISuspendResume#suspend()
 223          */
 224         public void suspend() throws DebugException {
 225                 fTarget.suspend();
 226         }
 227
 228         /* (non-Javadoc)
 229          * @see org.eclipse.debug.core.model.IStep#canStepInto()
 230          */
 231         public boolean canStepInto() {
 232                 return isSuspended();
 233         }
 234
 235         /* (non-Javadoc)
 236          * @see org.eclipse.debug.core.model.IStep#canStepOver()
 237          */
 238         public boolean canStepOver() {
 239                 return isSuspended();
 240         }
 241
 242         /* (non-Javadoc)
 243          * @see org.eclipse.debug.core.model.IStep#canStepReturn()
 244          */
 245         public boolean canStepReturn() {
 246                 if (fStackFrames != null) {
 247                         return (fStackFrames.length > 1);
 248                 } else {
 249                         return false;
 250                 }
 251         }
 252
 253         /* (non-Javadoc)
 254          * @see org.eclipse.debug.core.model.IStep#isStepping()
 255          */
 256         public boolean isStepping() {
 257                 return fStepping;
 258         }
 259
 260         /* (non-Javadoc)
 261          * @see org.eclipse.debug.core.model.IStep#stepInto()
 262          */
 263         public void stepInto() throws DebugException {
 264                 fBreakpoints=null;
 265                 fTarget.step_into();
 266         }
 267
 268         /* (non-Javadoc)
 269          * @see org.eclipse.debug.core.model.IStep#stepOver()
 270          */
 271         public void stepOver() throws DebugException {
 272                 fBreakpoints=null;
 273                 fTarget.step_over();
 274         }
 275
 276         /* (non-Javadoc)
 277          * @see org.eclipse.debug.core.model.IStep#stepReturn()
 278          */
 279         public void stepReturn() throws DebugException {
 280                 fBreakpoints=null;
 281                 fTarget.step_out();
 282         }
 283
 284         /* (non-Javadoc)
 285          * @see org.eclipse.debug.core.model.ITerminate#canTerminate()
 286          */
 287         public boolean canTerminate() {
 288                 return !isTerminated();
 289         }
 290
 291         /* (non-Javadoc)
 292          * @see org.eclipse.debug.core.model.ITerminate#isTerminated()
 293          */
 294         public boolean isTerminated() {
 295                 return fTerminated;
 296         }
 297
 298         /* (non-Javadoc)
 299          * @see org.eclipse.debug.core.model.ITerminate#terminate()
 300          */
 301         public void terminate() throws DebugException {
 302                 fTarget.getDebugConnection().stop();
 303                 fTerminated = true;
 304         }
 305
 306         public void terminated() throws DebugException {
 307                 fTerminated = true;
 308         }
 309
 310         /**
 311          * Sets whether this thread is stepping
 312          *
 313          * @param stepping whether stepping
 314          */
 315         protected void setStepping(boolean stepping) {
 316                 fStepping = stepping;
 317         }
 318
 319         public void handleDebugEvents(DebugEvent[] events) {
 320                 DebugEvent de = events[0];
 321                 System.out.println(de.toString());
 322         }
 323
 324         public void removeEventListeners() {
 325                 DebugPlugin.getDefault().removeDebugEventListener(this);
 326         }
 327 }