Add pause/resume for isolates in vmservice/observatory.

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 "platform/assert.h"
 #include "platform/json.h"
 #include "lib/mirrors.h"
@@ skipping 295 matching lines @@
       object_store_(NULL),
       top_context_(Context::null()),
       top_exit_frame_info_(0),
       init_callback_data_(NULL),
       environment_callback_(NULL),
       library_tag_handler_(NULL),
       api_state_(NULL),
       stub_code_(NULL),
       debugger_(NULL),
       single_step_(false),
+      resume_request_(false),
       random_(),
       simulator_(NULL),
       long_jump_base_(NULL),
       timer_list_(),
       deopt_id_(0),
       mutex_(new Mutex()),
       stack_limit_(0),
       saved_stack_limit_(0),
       stack_overflow_flags_(0),
       stack_overflow_count_(0),
@@ skipping 604 matching lines @@
   DebuggerStackTrace* stack = debugger()->StackTrace();
   if (stack->Length() > 0) {
     JSONObject jsframe(&jsobj, "topFrame");
 
     ActivationFrame* frame = stack->FrameAt(0);
     frame->PrintToJSONObject(&jsobj);
     // TODO(turnidge): Implement depth differently -- differentiate
     // inlined frames.
     jsobj.AddProperty("depth", (intptr_t)0);
   }
-  intptr_t live_ports = message_handler()->live_ports();
-  intptr_t control_ports = message_handler()->control_ports();
-  bool paused_on_exit = message_handler()->paused_on_exit();
-  bool pause_on_start = message_handler()->pause_on_start();
-  bool pause_on_exit = message_handler()->pause_on_exit();
-  jsobj.AddProperty("livePorts", live_ports);
-  jsobj.AddProperty("controlPorts", control_ports);
-  jsobj.AddProperty("pausedOnStart", pause_on_start);
-  jsobj.AddProperty("pausedOnExit", paused_on_exit);
-  jsobj.AddProperty("pauseOnExit", pause_on_exit);
+  jsobj.AddProperty("livePorts", message_handler()->live_ports());
+  jsobj.AddProperty("controlPorts", message_handler()->control_ports());
+  jsobj.AddProperty("pauseOnExit", message_handler()->pause_on_exit());
+
+  // TODO(turnidge): Make the debugger support paused_on_start/exit.
+  if (message_handler()->paused_on_start()) {
+    ASSERT(debugger()->PauseEvent() == NULL);
+    DebuggerEvent pauseEvent(DebuggerEvent::kIsolateCreated);
+    jsobj.AddProperty("pauseEvent", &pauseEvent);
+  } else if (message_handler()->paused_on_exit()) {
+    ASSERT(debugger()->PauseEvent() == NULL);
+    DebuggerEvent pauseEvent(DebuggerEvent::kIsolateShutdown);
+    jsobj.AddProperty("pauseEvent", &pauseEvent);
+  } else if (debugger()->PauseEvent() != NULL) {
+    jsobj.AddProperty("pauseEvent", debugger()->PauseEvent());
+  }
+
   const Library& lib =
       Library::Handle(object_store()->root_library());
   jsobj.AddProperty("rootLib", lib);
 
   timer_list().PrintTimersToJSONProperty(&jsobj);
   {
     JSONObject tagCounters(&jsobj, "tagCounters");
     vm_tag_counters()->PrintToJSONObject(&tagCounters);
   }
   if (object_store()->sticky_error() != Object::null()) {
@@ skipping 215 matching lines @@
   return func.raw();
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(isolate());
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart