Example #1
0
    @Override
    public Component getListCellRendererComponent(
        JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

      // ### We should indicate the current thread independently of the
      // ### selection, e.g., with an icon, because the user may change
      // ### the selection graphically without affecting the current
      // ### thread.

      super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
      if (value == null) {
        this.setText("<unavailable>");
      } else {
        StackFrame frame = (StackFrame) value;
        Location loc = frame.location();
        Method meth = loc.method();
        String methName = meth.declaringType().name() + '.' + meth.name();
        String position = "";
        if (meth.isNative()) {
          position = " (native method)";
        } else if (loc.lineNumber() != -1) {
          position = ":" + loc.lineNumber();
        } else {
          long pc = loc.codeIndex();
          if (pc != -1) {
            position = ", pc = " + pc;
          }
        }
        // Indices are presented to the user starting from 1, not 0.
        this.setText("[" + (index + 1) + "] " + methName + position);
      }
      return this;
    }
Example #2
0
 private void dumpStack(ThreadReference thread, boolean showPC) {
   // ### Check for these.
   // env.failure("Thread no longer exists.");
   // env.failure("Target VM must be in interrupted state.");
   // env.failure("Current thread isn't suspended.");
   // ### Should handle extremely long stack traces sensibly for user.
   List<StackFrame> stack = null;
   try {
     stack = thread.frames();
   } catch (IncompatibleThreadStateException e) {
     env.failure("Thread is not suspended.");
   }
   // ### Fix this!
   // ### Previously mishandled cases where thread was not current.
   // ### Now, prints all of the stack regardless of current frame.
   int frameIndex = 0;
   // int frameIndex = context.getCurrentFrameIndex();
   if (stack == null) {
     env.failure("Thread is not running (no stack).");
   } else {
     OutputSink out = env.getOutputSink();
     int nFrames = stack.size();
     for (int i = frameIndex; i < nFrames; i++) {
       StackFrame frame = stack.get(i);
       Location loc = frame.location();
       Method meth = loc.method();
       out.print("  [" + (i + 1) + "] ");
       out.print(meth.declaringType().name());
       out.print('.');
       out.print(meth.name());
       out.print(" (");
       if (meth.isNative()) {
         out.print("native method");
       } else if (loc.lineNumber() != -1) {
         try {
           out.print(loc.sourceName());
         } catch (AbsentInformationException e) {
           out.print("<unknown>");
         }
         out.print(':');
         out.print(loc.lineNumber());
       }
       out.print(')');
       if (showPC) {
         long pc = loc.codeIndex();
         if (pc != -1) {
           out.print(", pc = " + pc);
         }
       }
       out.println();
     }
     out.show();
   }
 }