Examples of com.sun.jdi.ReferenceType

com.sun.jdi.ReferenceType
sun.com/docs/books/jls/"> Java^TM Language Specification. All ReferenceType objects belong to one of the following subinterfaces: {@link ClassType} for classes,{@link InterfaceType} for interfaces, and{@link ArrayType} for arrays.Note that primitive classes (for example, the {@link ClassObjectReference#reflectedType() reflected type} of{@link java.lang.Integer#TYPE Integer.TYPE}) are represented as ClassType. The VM creates Class objects for all three, so from the VM perspective, each ReferenceType maps to a distinct Class object.
ReferenceTypes can be obtained by querying a particular {@link ObjectReference} for itstype or by getting a list of all reference types from the {@link VirtualMachine}.
ReferenceType provides access to static type information such as methods and fields and provides access to dynamic type information such as the corresponding Class object and the classloader.
Any method on ReferenceType which directly or indirectly takes ReferenceType as an parameter may throw {@link com.sun.jdi.VMDisconnectedException} if the target VM isdisconnected and the {@link com.sun.jdi.event.VMDisconnectEvent} has been or isavailable to be read from the {@link com.sun.jdi.event.EventQueue}.
Any method on ReferenceType which directly or indirectly takes ReferenceType as an parameter may throw {@link com.sun.jdi.VMOutOfMemoryException} if the target VM has run out of memory.
Any method on ReferenceType or which directly or indirectly takes ReferenceType as parameter may throw {@link com.sun.jdi.ObjectCollectedException} if the mirrored type has been unloaded. @see ObjectReference @see ObjectReference#referenceType @see VirtualMachine @see VirtualMachine#allClasses @author Robert Field @author Gordon Hirsch @author James McIlree @since 1.3

                            
              //deshabilitar evento
              /*event.request().disable();
                  vm.eventRequestManager().deleteEventRequest(event.request());
                  */
                  ReferenceType rt = cpe.referenceType();
                  
                  //inspeccion method entry y method exit
                  //primero se ejecuta el breakpoint
                  if(traceFilter.isTraceMethods())
                    {
                    for(Method method : rt.methods())
                       {
                      if(method.location()!=null)
                        {
                        BreakpointRequest br = vm.eventRequestManager().createBreakpointRequest(method.location());
                        br.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
                        br.putProperty("START", true);
                        br.setEnabled(true);
                        }
                      /*
                      for(int i=1; i<method.allLineLocations().size(); i++)
                        {
                        br = vm.eventRequestManager().createBreakpointRequest(method.allLineLocations().get(i));
                        br.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
                        br.putProperty("START", false);
                        br.setEnabled(true);
                        }*/
                       }
                    }
                
                  //inspeccion de acceso y modificacionde atributos
                  if(traceFilter.isTraceFields())
                    {
                    for(Field field : rt.fields())
                      {
                      AccessWatchpointRequest awr = vm.eventRequestManager().createAccessWatchpointRequest(field);
                      awr.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
                      awr.setEnabled(true);

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        break;
      }
    }
    if (correctRef == null) return "no suspend thread";
    SuspendThreadStack threadStack = SuspendThreadStack.getInstance();
    ReferenceType refType;
    try {
      Location loc = correctRef.frame(0).location();
      refType = loc.declaringType();
      threadStack.setCurRefType(refType);
      threadStack.setCurThreadRef(correctRef);

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    if (threadRef == null ) {
      return "no suspended thread";
    }
    try {
      Location loc = threadRef.frame(frameNum).location();
      ReferenceType refType= loc.declaringType();
      threadStack.setCurRefType(refType);
      threadStack.setCurFrame(frameNum);
      changeVimEditSourceLocaton(loc);
      return "success";
    } catch (IncompatibleThreadStateException e) {

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      return "error" + e.getMessage();
    }
  }
  
  private void changeVimEditSourceLocaton(Location loc) {
    ReferenceType refType = loc.declaringType();
    String className = refType.name();
    int lineNum = loc.lineNumber();
    String abPath = "None";
    try {
      abPath = compilerContext.findSourceFile(loc.sourcePath());
    } catch (Throwable e) {

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    List<ReferenceType> refTypes = vm.classesByName(className);
    if (refTypes == null)
      return;


    for (int i = 0; i < refTypes.size(); i++) {
      ReferenceType rt = refTypes.get(i);
      if (!rt.isPrepared()) {
        continue;
      }
      List<Location> lines;


      try {
        lines = rt.locationsOfLine(lineNum);
        if (lines.size() == 0) {
          continue;
        }
        Location loc = lines.get(0);
        BreakpointRequest request = vm.eventRequestManager().createBreakpointRequest(loc);

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      } else {
        ObjectReference thisObj = stackFrame.thisObject();
        if (thisObj == null) {
          return "can't find field or variable with name '"+name+"'";
        }
        ReferenceType refType = thisObj.referenceType();
        Field field = refType.fieldByName(name);
        thisObj.setValue(field, value);
      }
    } catch (Throwable e) {
      return e.getMessage();
    }

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    try {
      thisObj = (ObjectReference)evalTreeNode(objNode);
      Value value = findValueInFrame(threadRef, memberName, thisObj);
      return value;
    } catch (VariableOrFieldNotFoundException e) {
      ReferenceType refType = getClassType(objNode.getText());
      Field field = refType.fieldByName(memberName);
      Value value = refType.getValue(field);
      return value;
    }
    
  }

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      localVariable = stackFrame.visibleVariableByName(name);
      if (localVariable != null) {
        return stackFrame.getValue(localVariable);
      }
      
      ReferenceType refType = stackFrame.location().declaringType();
      if (thisObj != null ) {
        refType = thisObj.referenceType();
      }
      Field field = refType.fieldByName(name);
      if (field == null ) {
        throw new VariableOrFieldNotFoundException("eval expression error, field '" + name +"' can't be found."); 
      }
      if (thisObj != null) {
        value = thisObj.getValue(field);
      } else {
        value = refType.getValue(field);
      }
    } catch (IncompatibleThreadStateException e) {
      throw new ExpressionEvalException("eval expression error, caused by:" + e.getMessage());
    } catch (AbsentInformationException e) {
      throw new ExpressionEvalException("eval expression error, caused by:" + e.getMessage());

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    handleSuspendLocatableEvent(event);
  }
  
  private void handleBreakpointEvent(BreakpointEvent event) {
    ThreadReference threadRef = event.thread();
    ReferenceType refType = event.location().declaringType();
    SuspendThreadStack threadStack = SuspendThreadStack.getInstance();
    threadStack.setCurRefType(refType);
    threadStack.setCurThreadRef(threadRef);
    
    BreakpointManager bpm = BreakpointManager.getInstance();

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    handleSuspendLocatableEvent(event);
  }
  
  private void handleSuspendLocatableEvent(LocatableEvent event) {
    ThreadReference threadRef = event.thread();
    ReferenceType refType = event.location().declaringType();
    SuspendThreadStack threadStack = SuspendThreadStack.getInstance();
    threadStack.setCurRefType(refType);
    threadStack.setCurThreadRef(threadRef);
    
    Location loc = event.location();

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