Method vmStepEvent

java/src/processing/mode/java/debug/Debugger.java:789–821

(StepEvent se)

  private void vmStepEvent(StepEvent se) {
    currentThread = se.thread();

    //printSourceLocation(currentThread);
    updateVariableInspector(currentThread); // this is already on the EDT
    final LineID newCurrentLine = locationToLineID(se.location());
    javax.swing.SwingUtilities.invokeLater(new Runnable() {
      @Override
      public void run() {
        editor.setCurrentLine(newCurrentLine);
        editor.deactivateStep();
        editor.deactivateContinue();
      }
    });

    // delete the steprequest that triggered this step so new ones can be placed (only one per thread)
    EventRequestManager mgr = runtime.vm().eventRequestManager();
    mgr.deleteEventRequest(se.request());
    requestedStep = null; // mark that there is no step request pending
    paused = true;
    editor.statusHalted();

    // disallow stepping into invisible lines
    if (!locationIsVisible(se.location())) {
      // TODO: this leads to stepping, should it run on the EDT?
      javax.swing.SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
          stepOutIntoViewOrContinue();
        }
      });
    }
  }


  /**