Remove DebuggerEvent. Refactor remaining code.

runtime/vm/isolate.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 #include "platform/assert.h"
 #include "platform/text_buffer.h"
@@ skipping 320 matching lines @@
       break;
     }
     case Isolate::kInterruptMsg: {
       // [ OOB, kInterruptMsg, pause capability ]
       if (message.Length() != 3) return Error::null();
       Object& obj = Object::Handle(zone, message.At(2));
       if (!I->VerifyPauseCapability(obj)) return Error::null();
 
       // If we are already paused, don't pause again.
       if (FLAG_support_debugger && (I->debugger()->PauseEvent() == NULL)) {
-        return I->debugger()->SignalIsolateInterrupted();
+        return I->debugger()->PauseInterrupted();
       }
       break;
     }
 
     case Isolate::kAddExitMsg:
     case Isolate::kDelExitMsg:
     case Isolate::kAddErrorMsg:
     case Isolate::kDelErrorMsg: {
       // [ OOB, msg, listener port ]
       if (message.Length() < 3) return Error::null();
@@ skipping 311 matching lines @@
       // withheld when being thrown. Do this after setting the sticky error
       // so the isolate has an error set when paused with the unhandled
       // exception.
       if (result.IsUnhandledException()) {
         const UnhandledException& error = UnhandledException::Cast(result);
         RawInstance* exception = error.exception();
         if ((exception == I->object_store()->out_of_memory()) ||
             (exception == I->object_store()->stack_overflow())) {
           // We didn't notify the debugger when the stack was full. Do it now.
           if (FLAG_support_debugger) {
-            I->debugger()->SignalExceptionThrown(Instance::Handle(exception));
+            I->debugger()->PauseException(Instance::Handle(exception));
           }
         }
       }
       return kError;
     }
   }
   return kOK;
 }
 
 
@@ skipping 1081 matching lines @@
     } else if (message_handler()->is_paused_on_start() ||
                message_handler()->should_pause_on_start()) {
       ASSERT(debugger()->PauseEvent() == NULL);
       ServiceEvent pause_event(this, ServiceEvent::kPauseStart);
       jsobj.AddProperty("pauseEvent", &pause_event);
     } else if (message_handler()->is_paused_on_exit()) {
       ASSERT(debugger()->PauseEvent() == NULL);
       ServiceEvent pause_event(this, ServiceEvent::kPauseExit);
       jsobj.AddProperty("pauseEvent", &pause_event);
     } else if (debugger()->PauseEvent() != NULL && !resume_request_) {
-      ServiceEvent pause_event(debugger()->PauseEvent());
-      jsobj.AddProperty("pauseEvent", &pause_event);
+      jsobj.AddProperty("pauseEvent", debugger()->PauseEvent());
     } else {
       ServiceEvent pause_event(this, ServiceEvent::kResume);
 
       // TODO(turnidge): Don't compute a full stack trace.
       DebuggerStackTrace* stack = debugger()->StackTrace();
       if (stack->Length() > 0) {
         pause_event.set_top_frame(stack->FrameAt(0));
       }
       jsobj.AddProperty("pauseEvent", &pause_event);
     }
@@ skipping 930 matching lines @@
 void IsolateSpawnState::DecrementSpawnCount() {
   ASSERT(spawn_count_monitor_ != NULL);
   ASSERT(spawn_count_ != NULL);
   MonitorLocker ml(spawn_count_monitor_);
   ASSERT(*spawn_count_ > 0);
   *spawn_count_ = *spawn_count_ - 1;
   ml.Notify();
 }
 
 }  // namespace dart