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 org.eclipse.debug.core.DebugEvent;
  10 import org.eclipse.debug.core.DebugException;
  11 import org.eclipse.debug.core.DebugPlugin;
  12 import org.eclipse.debug.core.IDebugEventSetListener;
  13 import org.eclipse.debug.core.model.IBreakpoint;
  14 import org.eclipse.debug.core.model.IStackFrame;
  15 import org.eclipse.debug.core.model.IThread;
  16
  17 /**
  18  * @author Axel
  19  *
  20  * TODO To change the template for this generated type comment go to
  21  * Window - Preferences - Java - Code Style - Code Templates
  22  */
  23 public class XDebugThread extends XDebugElement implements IThread, IDebugEventSetListener {
  24
  25         /**
  26          * Breakpoints this thread is suspended at or <code>null</code>
  27          * if none.
  28          */
  29
  30         private IStackFrame[] fStackFrames=null;
  31
  32         private IBreakpoint[] fBreakpoints;
  33
  34         /**
  35          * Whether this thread is stepping
  36          */
  37         private boolean fStepping = false;
  38
  39         /**
  40          * Constructs a new thread for the given target
  41          *
  42          * @param target VM
  43          */
  44         public XDebugThread(XDebugTarget target) {
  45                 super(target);
  46                 DebugPlugin.getDefault().addDebugEventListener(this);
  47         }
  48
  49         /* (non-Javadoc)
  50          * @see org.eclipse.debug.core.model.IThread#getStackFrames()
  51          */
  52         public IStackFrame[] getStackFrames() throws DebugException {
  53                 if (isSuspended()) {
  54                         if (fStackFrames==null)
  55                         {
  56 //                              XDebugCorePlugin.log(IStatus.INFO,"vor getStackFrames");
  57                                 fStackFrames=((XDebugTarget) getDebugTarget()).getStackFrames();
  58 //                              XDebugCorePlugin.log(IStatus.INFO,"nach getStackFrames");
  59                         }
  60                         return fStackFrames;
  61                 } else {
  62                         return new IStackFrame[0];
  63                 }
  64         }
  65         /* (non-Javadoc)
  66          * @see org.eclipse.debug.core.model.IThread#hasStackFrames()
  67          */
  68         public boolean hasStackFrames() throws DebugException {
  69                 return isSuspended();
  70         }
  71         /* (non-Javadoc)
  72          * @see org.eclipse.debug.core.model.IThread#getPriority()
  73          */
  74         public int getPriority() throws DebugException {
  75                 return 0;
  76         }
  77         /* (non-Javadoc)
  78          * @see org.eclipse.debug.core.model.IThread#getTopStackFrame()
  79          */
  80         public IStackFrame getTopStackFrame() throws DebugException {
  81                 IStackFrame[] frames = getStackFrames();
  82                 if (frames.length > 0) {
  83                         return frames[0];
  84                 }
  85                 return null;
  86         }
  87         /* (non-Javadoc)
  88          * @see org.eclipse.debug.core.model.IThread#getName()
  89          */
  90         public String getName() throws DebugException {
  91 //              if (fStackFrames!=null)
  92 //                      return fStackFrames[0].getName();
  93 //              else
  94                         return "Thread[1]";
  95         }
  96         /* (non-Javadoc)
  97          * @see org.eclipse.debug.core.model.IThread#getBreakpoints()
  98          */
  99         public IBreakpoint[] getBreakpoints() {
 100                 if (fBreakpoints == null) {
 101                         return new IBreakpoint[0];
 102                 }
 103                 return fBreakpoints;
 104         }
 105         /**
 106          * Sets the breakpoints this thread is suspended at, or <code>null</code>
 107          * if none.
 108          *
 109          * @param breakpoints the breakpoints this thread is suspended at, or <code>null</code>
 110          * if none
 111          */
 112         protected void setBreakpoints(IBreakpoint[] breakpoints) {
 113                 fBreakpoints = breakpoints;
 114         }
 115         /* (non-Javadoc)
 116          * @see org.eclipse.debug.core.model.ISuspendResume#canResume()
 117          */
 118         public boolean canResume() {
 119                 return isSuspended();
 120         }
 121         /* (non-Javadoc)
 122          * @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
 123          */
 124         public boolean canSuspend() {
 125                 return !isSuspended();
 126         }
 127         /* (non-Javadoc)
 128          * @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
 129          */
 130         public boolean isSuspended() {
 131                 return getDebugTarget().isSuspended();
 132         }
 133         /* (non-Javadoc)
 134          * @see org.eclipse.debug.core.model.ISuspendResume#resume()
 135          */
 136         public void resume() throws DebugException {
 137                 fStackFrames=null;
 138                 fBreakpoints=null;
 139                 getDebugTarget().resume();
 140         }
 141         /* (non-Javadoc)
 142          * @see org.eclipse.debug.core.model.ISuspendResume#suspend()
 143          */
 144         public void suspend() throws DebugException {
 145                 getDebugTarget().suspend();
 146         }
 147         /* (non-Javadoc)
 148          * @see org.eclipse.debug.core.model.IStep#canStepInto()
 149          */
 150         public boolean canStepInto() {
 151                 return isSuspended();
 152         }
 153         /* (non-Javadoc)
 154          * @see org.eclipse.debug.core.model.IStep#canStepOver()
 155          */
 156         public boolean canStepOver() {
 157                 return isSuspended();
 158         }
 159         /* (non-Javadoc)
 160          * @see org.eclipse.debug.core.model.IStep#canStepReturn()
 161          */
 162         public boolean canStepReturn() {
 163                 if (fStackFrames!=null)
 164                         return (fStackFrames.length>1);
 165                 else
 166                         return false;
 167         }
 168         /* (non-Javadoc)
 169          * @see org.eclipse.debug.core.model.IStep#isStepping()
 170          */
 171         public boolean isStepping() {
 172                 return fStepping;
 173         }
 174         /* (non-Javadoc)
 175          * @see org.eclipse.debug.core.model.IStep#stepInto()
 176          */
 177         public void stepInto() throws DebugException {
 178                 fStackFrames=null;
 179                 fBreakpoints=null;
 180                 ((XDebugTarget)getDebugTarget()).step_into();
 181         }
 182         /* (non-Javadoc)
 183          * @see org.eclipse.debug.core.model.IStep#stepOver()
 184          */
 185         public void stepOver() throws DebugException {
 186                 fStackFrames=null;
 187                 fBreakpoints=null;
 188                 ((XDebugTarget)getDebugTarget()).step_over();
 189         }
 190         /* (non-Javadoc)
 191          * @see org.eclipse.debug.core.model.IStep#stepReturn()
 192          */
 193         public void stepReturn() throws DebugException {
 194                 fStackFrames=null;
 195                 fBreakpoints=null;
 196                 ((XDebugTarget)getDebugTarget()).step_out();
 197
 198         }
 199         /* (non-Javadoc)
 200          * @see org.eclipse.debug.core.model.ITerminate#canTerminate()
 201          */
 202         public boolean canTerminate() {
 203                 return !isTerminated();
 204         }
 205         /* (non-Javadoc)
 206          * @see org.eclipse.debug.core.model.ITerminate#isTerminated()
 207          */
 208         public boolean isTerminated() {
 209                 return getDebugTarget().isTerminated();
 210         }
 211         /* (non-Javadoc)
 212          * @see org.eclipse.debug.core.model.ITerminate#terminate()
 213          */
 214         public void terminate() throws DebugException {
 215                 getDebugTarget().terminate();
 216         }
 217
 218         /**
 219          * Sets whether this thread is stepping
 220          *
 221          * @param stepping whether stepping
 222          */
 223         protected void setStepping(boolean stepping) {
 224                 fStepping = stepping;
 225         }
 226
 227         public void handleDebugEvents(DebugEvent[] events) {
 228                 DebugEvent de=events[0];
 229                 System.out.println(de.toString());
 230
 231         }
 232
 233         public void removeEventListeners() {
 234                 DebugPlugin.getDefault().removeDebugEventListener(this);
 235
 236         }
 237 }