@Override
 public void classPrepare(ClassPrepareEventSet e) {
   ReferenceType refType = e.getReferenceType();
   SourceModel sm = sourceForClass(refType);
   if (sm != null) {
     sm.addClass(refType);
   }
 }
 // ### Use hash table for this?
 public SourceModel sourceForFile(File path) {
   Iterator<SourceModel> iter = sourceList.iterator();
   SourceModel sm = null;
   while (iter.hasNext()) {
     SourceModel candidate = iter.next();
     if (candidate.fileName().equals(path)) {
       sm = candidate;
       iter.remove(); // Will move to start of list.
       break;
     }
   }
   if (sm == null && path.exists()) {
     sm = new SourceModel(env, path);
   }
   if (sm != null) {
     // At start of list for faster access
     sourceList.add(0, sm);
   }
   return sm;
 }
示例#3
0
 private void commandList(StringTokenizer t) throws NoSessionException {
   ThreadReference current = context.getCurrentThread();
   if (current == null) {
     env.error("No thread specified.");
     return;
   }
   Location loc;
   try {
     StackFrame frame = context.getCurrentFrame(current);
     if (frame == null) {
       env.failure("Thread has not yet begun execution.");
       return;
     }
     loc = frame.location();
   } catch (VMNotInterruptedException e) {
     env.failure("Target VM must be in interrupted state.");
     return;
   }
   SourceModel source = sourceManager.sourceForLocation(loc);
   if (source == null) {
     if (loc.method().isNative()) {
       env.failure("Current method is native.");
       return;
     }
     env.failure("No source available for " + Utils.locationString(loc) + ".");
     return;
   }
   ReferenceType refType = loc.declaringType();
   int lineno = loc.lineNumber();
   if (t.hasMoreTokens()) {
     String id = t.nextToken();
     // See if token is a line number.
     try {
       lineno = Integer.valueOf(id).intValue();
     } catch (NumberFormatException nfe) {
       // It isn't -- see if it's a method name.
       List<Method> meths = refType.methodsByName(id);
       if (meths == null || meths.size() == 0) {
         env.failure(
             id + " is not a valid line number or " + "method name for class " + refType.name());
         return;
       } else if (meths.size() > 1) {
         env.failure(id + " is an ambiguous method name in" + refType.name());
         return;
       }
       loc = meths.get(0).location();
       lineno = loc.lineNumber();
     }
   }
   int startLine = (lineno > 4) ? lineno - 4 : 1;
   int endLine = startLine + 9;
   String sourceLine = source.sourceLine(lineno);
   if (sourceLine == null) {
     env.failure("" + lineno + " is an invalid line number for " + refType.name());
   } else {
     OutputSink out = env.getOutputSink();
     for (int i = startLine; i <= endLine; i++) {
       sourceLine = source.sourceLine(i);
       if (sourceLine == null) {
         break;
       }
       out.print(i);
       out.print("\t");
       if (i == lineno) {
         out.print("=> ");
       } else {
         out.print("   ");
       }
       out.println(sourceLine);
     }
     out.show();
   }
 }