Esempio n. 1
0
  synchronized VirtualMachine open() {
    if (connector instanceof LaunchingConnector) {
      vm = launchTarget();
    } else if (connector instanceof AttachingConnector) {
      vm = attachTarget();
    } else if (connector instanceof ListeningConnector) {
      vm = listenTarget();
    } else {
      throw new InternalError(MessageOutput.format("Invalid connect type"));
    }
    vm.setDebugTraceMode(traceFlags);
    if (vm.canBeModified()) {
      setEventRequests(vm);
      resolveEventRequests();
    }
    /*
     * Now that the vm connection is open, fetch the debugee
     * classpath and set up a default sourcepath.
     * (Unless user supplied a sourcepath on the command line)
     * (Bug ID 4186582)
     */
    if (Env.getSourcePath().length() == 0) {
      if (vm instanceof PathSearchingVirtualMachine) {
        PathSearchingVirtualMachine psvm = (PathSearchingVirtualMachine) vm;
        Env.setSourcePath(psvm.classPath());
      } else {
        Env.setSourcePath(".");
      }
    }

    return vm;
  }
  /** Second part of debugger start procedure. */
  private void startDebugger() {
    threadManager = new ThreadManager(this);

    setBreakpoints();
    updateWatches();
    println(bundle.getString("CTL_Debugger_running"), STL_OUT);
    setDebuggerState(DEBUGGER_RUNNING);

    virtualMachine.resume();

    // start refresh thread .................................................
    if (debuggerThread != null) debuggerThread.stop();
    debuggerThread =
        new Thread(
            new Runnable() {
              public void run() {
                for (; ; ) {
                  try {
                    Thread.sleep(5000);
                  } catch (InterruptedException ex) {
                  }
                  if (getState() == DEBUGGER_RUNNING) threadGroup.refresh();
                }
              }
            },
            "Debugger refresh thread"); // NOI18N
    debuggerThread.setPriority(Thread.MIN_PRIORITY);
    debuggerThread.start();
  }
 /** Go. */
 public synchronized void go() throws DebuggerException {
   if (virtualMachine == null) return;
   setLastAction(ACTION_GO);
   removeStepRequest();
   virtualMachine.resume();
   threadGroup.refresh();
   super.go();
 }
Esempio n. 4
0
 /* launch child target vm */
 private VirtualMachine launchTarget() {
   LaunchingConnector launcher = (LaunchingConnector) connector;
   try {
     VirtualMachine vm = launcher.launch(connectorArgs);
     process = vm.process();
     displayRemoteOutput(process.getErrorStream());
     displayRemoteOutput(process.getInputStream());
     return vm;
   } catch (IOException ioe) {
     ioe.printStackTrace();
     MessageOutput.fatalError("Unable to launch target VM.");
   } catch (IllegalConnectorArgumentsException icae) {
     icae.printStackTrace();
     MessageOutput.fatalError("Internal debugger error.");
   } catch (VMStartException vmse) {
     MessageOutput.println("vmstartexception", vmse.getMessage());
     MessageOutput.println();
     dumpFailedLaunchInfo(vmse.process());
     MessageOutput.fatalError("Target VM failed to initialize.");
   }
   return null; // Shuts up the compiler
 }
Esempio n. 5
0
 public void disposeVM() {
   try {
     if (vm != null) {
       vm.dispose();
       vm = null;
     }
   } finally {
     if (process != null) {
       process.destroy();
       process = null;
     }
     waitOutputComplete();
   }
 }
Esempio n. 6
0
  public void close() {
    // TODO make sure stop() has already been called to exit the sketch

    // TODO actually kill off the vm here
    if (vm != null) {
      try {
        vm.exit(0);

      } catch (com.sun.jdi.VMDisconnectedException vmde) {
        // if the vm has disconnected on its own, ignore message
        // System.out.println("harmless disconnect " + vmde.getMessage());
        // TODO shouldn't need to do this, need to do more cleanup
      }
      vm = null;
    }
  }
 /** Disconnects from running debugged process. */
 public void disconnect() throws DebuggerException {
   if (breakpointMain != null) {
     for (int x = 0; x < breakpointMain.length; x++) breakpointMain[x].remove();
     breakpointMain = null;
   }
   try {
     if (virtualMachine != null) virtualMachine.dispose();
   } catch (VMDisconnectedException e) {
   }
   if (threadManager != null) threadManager.finish();
   if (debuggerThread != null) {
     debuggerThread.interrupt();
     debuggerThread.stop();
   }
   super.finishDebugger();
 }
 /** Step out. */
 public synchronized void stepOut() throws DebuggerException {
   if (virtualMachine == null) return;
   removeStepRequest();
   try {
     setLastAction(ACTION_STEP_OUT);
     stepRequest =
         requestManager.createStepRequest(
             currentThread.getThreadReference(), StepRequest.STEP_LINE, StepRequest.STEP_OUT);
     stepRequest.addCountFilter(1);
     stepRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL);
     operator.register(stepRequest, this);
     stepRequest.enable();
     virtualMachine.resume();
     super.stepOut();
   } catch (DuplicateRequestException e) {
     e.printStackTrace();
   }
 }
Esempio n. 9
0
  private void setEventRequests(VirtualMachine vm) {
    EventRequestManager erm = vm.eventRequestManager();

    // Normally, we want all uncaught exceptions.  We request them
    // via the same mechanism as Commands.commandCatchException()
    // so the user can ignore them later if they are not
    // interested.
    // FIXME: this works but generates spurious messages on stdout
    //        during startup:
    //          Set uncaught java.lang.Throwable
    //          Set deferred uncaught java.lang.Throwable
    Commands evaluator = new Commands();
    evaluator.commandCatchException(new StringTokenizer("uncaught java.lang.Throwable"));

    ThreadStartRequest tsr = erm.createThreadStartRequest();
    tsr.enable();
    ThreadDeathRequest tdr = erm.createThreadDeathRequest();
    tdr.enable();
  }
Esempio n. 10
0
  /**
   * Generate the trace. Enable events, start thread to display events, start threads to forward
   * remote error and output streams, resume the remote VM, wait for the final event, and shutdown.
   */
  protected void generateTrace() {
    // vm.setDebugTraceMode(debugTraceMode);
    //    vm.setDebugTraceMode(VirtualMachine.TRACE_ALL);
    //    vm.setDebugTraceMode(VirtualMachine.TRACE_NONE);  // formerly, seems to have no effect

    // For internal debugging
    PrintWriter writer = null;

    // Calling this seems to set something internally to make the
    // Eclipse JDI wake up. Without it, an ObjectCollectedException
    // is thrown on excReq.enable(). No idea why this works,
    // but at least exception handling has returned. (Suspect that it may
    // block until all or at least some threads are available, meaning
    // that the app has launched and we have legit objects to talk to).
    vm.allThreads();
    // The bug may not have been noticed because the test suite waits for
    // a thread to be available, and queries it by calling allThreads().
    // See org.eclipse.debug.jdi.tests.AbstractJDITest for the example.

    EventRequestManager mgr = vm.eventRequestManager();
    // get only the uncaught exceptions
    ExceptionRequest excReq = mgr.createExceptionRequest(null, false, true);
    //    System.out.println(excReq);
    // this version reports all exceptions, caught or uncaught
    //  ExceptionRequest excReq = mgr.createExceptionRequest(null, true, true);
    // suspend so we can step
    excReq.setSuspendPolicy(EventRequest.SUSPEND_ALL);
    //    excReq.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
    //    excReq.setSuspendPolicy(EventRequest.SUSPEND_NONE);  // another option?
    excReq.enable();

    Thread eventThread =
        new Thread() {
          public void run() {
            try {
              boolean connected = true;
              while (connected) {
                EventQueue eventQueue = vm.eventQueue();
                // remove() blocks until event(s) available
                EventSet eventSet = eventQueue.remove();
                //            listener.vmEvent(eventSet);

                for (Event event : eventSet) {
                  //              System.out.println("EventThread.handleEvent -> " + event);
                  if (event instanceof VMStartEvent) {
                    vm.resume();
                  } else if (event instanceof ExceptionEvent) {
                    //                for (ThreadReference thread : vm.allThreads()) {
                    //                  System.out.println("thread : " + thread);
                    ////                  thread.suspend();
                    //                }
                    exceptionEvent((ExceptionEvent) event);
                  } else if (event instanceof VMDisconnectEvent) {
                    connected = false;
                  }
                }
              }
              //        } catch (VMDisconnectedException e) {
              //          Logger.getLogger(VMEventReader.class.getName()).log(Level.INFO,
              // "VMEventReader quit on VM disconnect");
            } catch (Exception e) {
              System.err.println("crashed in event thread due to " + e.getMessage());
              //          Logger.getLogger(VMEventReader.class.getName()).log(Level.SEVERE,
              // "VMEventReader quit", e);
              e.printStackTrace();
            }
          }
        };
    eventThread.start();

    errThread = new MessageSiphon(process.getErrorStream(), this).getThread();

    outThread = new StreamRedirectThread("JVM stdout Reader", process.getInputStream(), System.out);
    errThread.start();
    outThread.start();

    // Shutdown begins when event thread terminates
    try {
      if (eventThread != null) eventThread.join(); // is this the problem?

      //      System.out.println("in here");
      // Bug #852 tracked to this next line in the code.
      // http://dev.processing.org/bugs/show_bug.cgi?id=852
      errThread.join(); // Make sure output is forwarded
      //      System.out.println("and then");
      outThread.join(); // before we exit
      //      System.out.println("finished join for errThread and outThread");

      // At this point, disable the run button.
      // This happens when the sketch is exited by hitting ESC,
      // or the user manually closes the sketch window.
      // TODO this should be handled better, should it not?
      if (editor != null) {
        editor.deactivateRun();
      }
    } catch (InterruptedException exc) {
      // we don't interrupt
    }
    // System.out.println("and leaving");
    if (writer != null) writer.close();
  }
  /**
   * Starts the debugger. The method stops the current debugging (if any) and takes information from
   * the provided info (containing the class to start and arguments to pass it and name of class to
   * stop debugging in) and starts new debugging session.
   *
   * @param info debugger info about class to start
   * @exception DebuggerException if an error occures during the start of the debugger
   */
  public void startDebugger(DebuggerInfo info) throws DebuggerException {
    debuggerInfo = info;
    if (virtualMachine != null) finishDebugger();

    stopOnMain = info.getStopClassName() != null;
    mainClassName =
        info
            .getClassName(); // S ystem.out.println ("JPDADebugger stop on " + info.getStopClassName
                             // ()); // NOI18N

    // open output window ...
    super.startDebugger(info);

    // stop on main
    if (stopOnMain) {
      try {
        String stopClassName = debuggerInfo.getStopClassName();
        AbstractDebugger d = (AbstractDebugger) TopManager.getDefault().getDebugger();
        breakpointMain = new CoreBreakpoint[stopMethodNames.length];
        for (int x = 0; x < breakpointMain.length; x++) {
          breakpointMain[x] = (CoreBreakpoint) d.createBreakpoint(true);
          breakpointMain[x].setClassName(""); // NOI18N
          breakpointMain[x].setMethodName(stopMethodNames[x]); // NOI18N
          CoreBreakpoint.Action[] a = breakpointMain[x].getActions();
          int i, ii = a.length;
          for (i = 0; i < ii; i++)
            if (a[i] instanceof PrintAction) {
              ((PrintAction) a[i]).setPrintText(bundle.getString("CTL_Stop_On_Main_print_text"));
            }
          breakpointMain[x].setClassName(stopClassName);
        }

        addPropertyChangeListener(
            new PropertyChangeListener() {
              public void propertyChange(PropertyChangeEvent ev) {
                if (ev.getPropertyName().equals(PROP_STATE)) {
                  if ((((Integer) ev.getNewValue()).intValue() == DEBUGGER_STOPPED)
                      || (((Integer) ev.getNewValue()).intValue() == DEBUGGER_NOT_RUNNING)) {
                    if (breakpointMain != null) {
                      for (int x = 0; x < breakpointMain.length; x++) breakpointMain[x].remove();
                      breakpointMain = null;
                    }
                    removePropertyChangeListener(this);
                  }
                }
              }
            });

      } catch (DebuggerException e) {
        e.printStackTrace();
      }
    }

    // start & init remote debugger ............................................
    boolean launch = false;
    if (info instanceof ReconnectDebuggerInfo) {
      virtualMachine = reconnect((ReconnectDebuggerInfo) info);
    } else if (info instanceof RemoteDebuggerInfo) {
      virtualMachine = connect((RemoteDebuggerInfo) info);
    } else {
      virtualMachine = launch(info);
      process = virtualMachine.process();
      showOutput(process, STD_OUT, STD_OUT);
      connectInput(process);
      launch = true;
    }
    requestManager = virtualMachine.eventRequestManager();
    operator =
        new Operator(
            virtualMachine,
            launch
                ? new Runnable() {
                  public void run() {
                    startDebugger();
                  }
                }
                : null,
            new Runnable() {
              public void run() {
                try {
                  finishDebugger();
                } catch (DebuggerException e) {
                }
              }
            });
    operator.start();
    if (!launch) startDebugger();
  }