Ejemplo n.º 1
0
  @Override
  public List<IWatchable> getVisibleWatchables() {
    try {
      StackFrame stackFrame = getStackFrame();
      List<IWatchable> result = new ArrayList<IWatchable>();

      if (stackFrame != null) {
        for (LocalVariable variable : stackFrame.visibleVariables()) {
          result.add(new JavaLocalVariable(variable, this, myClassFqName, myThreadReference));
        }

        ObjectReference thisObject = stackFrame.thisObject();
        if (thisObject != null) {
          result.add(new JavaThisObject(thisObject, this, myClassFqName, myThreadReference));
        } else {
          result.add(
              new JavaStaticContext(
                  getStackFrame().location().declaringType(), myClassFqName, myThreadReference));
        }
      }

      return result;
    } catch (InvalidStackFrameException ex) {
      LOG.warning(
          "InvalidStackFrameException",
          ex); // TODO something should be done here. See, for instance, how idea deals with those
               // exceptions
      return Collections.emptyList();
    } catch (AbsentInformationException ex) {
      // doing nothing, variables are just not available for us
      return Collections.emptyList();
    }
  }
Ejemplo n.º 2
0
 @Override
 public Map<IWatchable, IValue> getWatchableValues() {
   try {
     StackFrame stackFrame = getStackFrame();
     Map<IWatchable, IValue> result = new HashMap<IWatchable, IValue>();
     if (stackFrame != null) {
       Map<LocalVariable, Value> map = stackFrame.getValues(stackFrame.visibleVariables());
       for (LocalVariable variable : map.keySet()) {
         result.put(
             new JavaLocalVariable(variable, this, myClassFqName, stackFrame.thread()),
             JavaValue.fromJDIValue(map.get(variable), myClassFqName, stackFrame.thread()));
       }
       ObjectReference thisObject = stackFrame.thisObject();
       if (thisObject != null) {
         JavaThisObject object =
             new JavaThisObject(thisObject, this, myClassFqName, stackFrame.thread());
         result.put(object, object.getValue());
       }
     }
     return result;
   } catch (AbsentInformationException ex) {
     // doing nothing
     return Collections.emptyMap();
   }
 }
Ejemplo n.º 3
0
 public List<LocalVariable> getLocals(ThreadReference tr, int idx)
     throws IllegalArgumentException, IncompatibleThreadStateException,
         AbsentInformationException {
   StackFrame frame = tr.frames().get(idx);
   if (frame != null) {
     return frame.visibleVariables();
   }
   return null;
 }
Ejemplo n.º 4
0
  protected void runTests() throws Exception {
    /*
     * Get to the top of main()
     * to determine targetClass and mainThread
     */
    BreakpointEvent bpe = startToMain("GetLocalVariables2Targ");
    targetClass = bpe.location().declaringType();
    mainThread = bpe.thread();
    EventRequestManager erm = vm().eventRequestManager();

    bpe = resumeTo("GetLocalVariables2Targ", "bar", "(I)Z");

    /*
     * Inspect the stack frame for main(), not bar()...
     */
    StackFrame frame = bpe.thread().frame(1);
    List localVars = frame.visibleVariables();
    System.out.println("    Visible variables at this point are: ");
    for (Iterator it = localVars.iterator(); it.hasNext(); ) {
      LocalVariable lv = (LocalVariable) it.next();
      System.out.print(lv.name());
      System.out.print(" typeName: ");
      System.out.print(lv.typeName());
      System.out.print(" signature: ");
      System.out.print(lv.type().signature());
      System.out.print(" primitive type: ");
      System.out.println(lv.type().name());

      if ("command".equals(lv.name())) {
        failure("Failure: LocalVariable \"command\" should not be visible at this point.");
        if (lv.isVisible(frame)) {
          System.out.println("Failure: \"command.isvisible(frame)\" returned true.");
        }
      }
    }

    /*
     * resume the target listening for events
     */
    listenUntilVMDisconnect();

    /*
     * deal with results of test
     * if anything has called failure("foo") testFailed will be true
     */
    if (!testFailed) {
      println("GetLocalVariables2Test: passed");
    } else {
      throw new Exception("GetLocalVariables2Test: failed");
    }
  }
Ejemplo n.º 5
0
  private void commandLocals() throws NoSessionException {
    ThreadReference current = context.getCurrentThread();
    if (current == null) {
      env.failure("No default thread specified: " + "use the \"thread\" command first.");
      return;
    }
    StackFrame frame;
    try {
      frame = context.getCurrentFrame(current);
      if (frame == null) {
        env.failure("Thread has not yet created any stack frames.");
        return;
      }
    } catch (VMNotInterruptedException e) {
      env.failure("Target VM must be in interrupted state.");
      return;
    }

    List<LocalVariable> vars;
    try {
      vars = frame.visibleVariables();
      if (vars == null || vars.size() == 0) {
        env.failure("No local variables");
        return;
      }
    } catch (AbsentInformationException e) {
      env.failure(
          "Local variable information not available."
              + " Compile with -g to generate variable information");
      return;
    }

    OutputSink out = env.getOutputSink();
    out.println("Method arguments:");
    for (LocalVariable var : vars) {
      if (var.isArgument()) {
        printVar(out, var, frame);
      }
    }
    out.println("Local variables:");
    for (LocalVariable var : vars) {
      if (!var.isArgument()) {
        printVar(out, var, frame);
      }
    }
    out.show();
    return;
  }
Ejemplo n.º 6
0
 public char[][] localVariableTypeNames() {
   try {
     StackFrame frame = getStackFrame();
     Iterator variables = frame.visibleVariables().iterator();
     Vector names = new Vector();
     while (variables.hasNext()) {
       LocalVariable var = (LocalVariable) variables.next();
       names.addElement(var.typeName().toCharArray());
     }
     char[][] result = new char[names.size()][];
     names.copyInto(result);
     return result;
   } catch (AbsentInformationException e) {
     return null;
   }
 }
Ejemplo n.º 7
0
 public int[] localVariableModifiers() {
   try {
     StackFrame frame = getStackFrame();
     List variables = frame.visibleVariables();
     int[] modifiers = new int[variables.size()];
     /*		Iterator iterator = variables.iterator();
     		int i = 0;
     		while (iterator.hasNext()) {
     			LocalVariable var = (LocalVariable)iterator.next();
     			// TBD modifiers[i++] = var. ??? ;
     		}
     */ return modifiers;
   } catch (AbsentInformationException e) {
     return null;
   }
 }
Ejemplo n.º 8
0
  public boolean run(String codeSnippetClassName) {
    ClassType codeSnippetClass;
    ObjectReference codeSnippet;
    Method method;
    List arguments;
    ObjectReference codeSnippetRunner;
    try {
      // Get the code snippet class
      List classes = jdiVM.classesByName(codeSnippetClassName);
      while (classes.size() == 0) {
        try {
          Thread.sleep(100);
        } catch (InterruptedException e) {
        }
        classes = jdiVM.classesByName(codeSnippetClassName);
        if (classes.size() == 0) {
          // workaround bug in Standard VM
          Iterator iterator = this.jdiVM.allClasses().iterator();
          while (iterator.hasNext()) {
            ReferenceType type = (ReferenceType) iterator.next();
            if (type.name().equals(codeSnippetClassName)) {
              classes = new ArrayList(1);
              classes.add(type);
              break;
            }
          }
        }
      }
      codeSnippetClass = (ClassType) classes.get(0);

      // Create a new code snippet
      Method constructor = (Method) codeSnippetClass.methodsByName("<init>").get(0);
      codeSnippet =
          codeSnippetClass.newInstance(
              jdiThread, constructor, new ArrayList(), ClassType.INVOKE_SINGLE_THREADED);

      // Install local variables and "this" into generated fields
      StackFrame stackFrame = getStackFrame();
      try {
        Iterator variables = stackFrame.visibleVariables().iterator();
        while (variables.hasNext()) {
          LocalVariable jdiVariable = (LocalVariable) variables.next();
          Value value = stackFrame.getValue(jdiVariable);
          Field field =
              codeSnippetClass.fieldByName(new String(LOCAL_VAR_PREFIX) + jdiVariable.name());
          codeSnippet.setValue(field, value);
        }
      } catch (AbsentInformationException e) {
        // No variables
      }
      Field delegateThis = codeSnippetClass.fieldByName(new String(DELEGATE_THIS));
      ObjectReference thisObject;
      if (delegateThis != null && ((thisObject = stackFrame.thisObject()) != null)) {
        codeSnippet.setValue(delegateThis, thisObject);
      }

      // Get the code snippet runner
      ClassType codeSnippetRunnerClass =
          (ClassType) jdiVM.classesByName(CODE_SNIPPET_RUNNER_CLASS_NAME).get(0);
      Field theRunner = codeSnippetRunnerClass.fieldByName(THE_RUNNER_FIELD);
      codeSnippetRunner = (ObjectReference) codeSnippetRunnerClass.getValue(theRunner);

      // Get the method 'runCodeSnippet' and its arguments
      method = (Method) codeSnippetRunnerClass.methodsByName(RUN_CODE_SNIPPET_METHOD).get(0);
      arguments = new ArrayList();
      arguments.add(codeSnippet);
    } catch (ClassNotLoadedException e) {
      e.printStackTrace();
      return false;
    } catch (IncompatibleThreadStateException e) {
      e.printStackTrace();
      return false;
    } catch (InvalidTypeException e) {
      e.printStackTrace();
      return false;
    } catch (InvocationException e) {
      e.printStackTrace();
      return false;
    }

    try {
      // Invoke runCodeSnippet(CodeSnippet)
      codeSnippetRunner.invokeMethod(
          jdiThread, method, arguments, ClassType.INVOKE_SINGLE_THREADED);

      // Retrieve values of local variables and put them back in the stack frame
      StackFrame stackFrame = getStackFrame();
      try {
        Iterator variables = stackFrame.visibleVariables().iterator();
        while (variables.hasNext()) {
          LocalVariable jdiVariable = (LocalVariable) variables.next();
          Field field =
              codeSnippetClass.fieldByName(new String(LOCAL_VAR_PREFIX) + jdiVariable.name());
          Value value = codeSnippet.getValue(field);
          stackFrame.setValue(jdiVariable, value);
        }
      } catch (AbsentInformationException e) {
        // No variables
      }
    } catch (ClassNotLoadedException e) {
      e.printStackTrace();
    } catch (IncompatibleThreadStateException e) {
      e.printStackTrace();
    } catch (InvalidTypeException e) {
      e.printStackTrace();
    } catch (InvocationException e) {
      e.printStackTrace();
    }
    return true;
  }