Straw man setExceptionPauseMode

runtime/vm/isolate.cc

Index: runtime/vm/isolate.cc
diff --git a/runtime/vm/isolate.cc b/runtime/vm/isolate.cc
index 226a46a512aa100fec9f331dd856eb550d340a49..47fbc269682880c9d34a398a00c60a8f85eda226 100644
--- a/runtime/vm/isolate.cc
+++ b/runtime/vm/isolate.cc
@@ -1822,6 +1822,21 @@ void Isolate::VisitPrologueWeakPersistentHandles(HandleVisitor* visitor) {
 }
 
 
+static const char* ExceptionPauseInfoToServiceEnum(Dart_ExceptionPauseInfo pi) {
+  switch (pi) {
+    case kPauseOnAllExceptions:
+      return "All";
+    case kNoPauseOnExceptions:
+      return "None";
+    case kPauseOnUnhandledExceptions:
+      return "Unhandled";
+    default:
+      UNIMPLEMENTED();
+      return NULL;
+  }
+}
+
+
 void Isolate::PrintJSON(JSONStream* stream, bool ref) {
   JSONObject jsobj(stream);
   jsobj.AddProperty("type", (ref ? "@Isolate" : "Isolate"));
@@ -1869,6 +1884,9 @@ void Isolate::PrintJSON(JSONStream* stream, bool ref) {
     jsobj.AddProperty("pauseEvent", &pause_event);
   }
 
+  jsobj.AddProperty("exceptionPauseMode",
+      ExceptionPauseInfoToServiceEnum(debugger()->GetExceptionPauseInfo()));
+
   const Library& lib =
       Library::Handle(object_store()->root_library());
   if (!lib.IsNull()) {