Mark some of the places we leave V8 via callbacks as transitions to...

src/handles.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 412 matching lines @@
     v8::Utils::ToLocal(receiver),
     v8::Utils::ToLocal(data),
     v8::Utils::ToLocal(object));
   v8::Handle<v8::Array> result;
   if (!interceptor->enumerator()->IsUndefined()) {
     v8::NamedPropertyEnumerator enum_fun =
         v8::ToCData<v8::NamedPropertyEnumerator>(interceptor->enumerator());
     LOG(ApiObjectAccess("interceptor-named-enum", *object));
     {
       // Leaving JavaScript.
-      VMState state(OTHER);
+      VMState state(EXTERNAL);
       result = enum_fun(info);
     }
   }
   return result;
 }
 
 
 // Compute the element keys from the interceptor.
 v8::Handle<v8::Array> GetKeysForIndexedInterceptor(Handle<JSObject> receiver,
                                                    Handle<JSObject> object) {
   Handle<InterceptorInfo> interceptor(object->GetIndexedInterceptor());
   Handle<Object> data(interceptor->data());
   v8::AccessorInfo info(
     v8::Utils::ToLocal(receiver),
     v8::Utils::ToLocal(data),
     v8::Utils::ToLocal(object));
   v8::Handle<v8::Array> result;
   if (!interceptor->enumerator()->IsUndefined()) {
     v8::IndexedPropertyEnumerator enum_fun =
         v8::ToCData<v8::IndexedPropertyEnumerator>(interceptor->enumerator());
     LOG(ApiObjectAccess("interceptor-indexed-enum", *object));
     {
       // Leaving JavaScript.
-      VMState state(OTHER);
+      VMState state(EXTERNAL);
       result = enum_fun(info);
     }
   }
   return result;
 }
 
 
 Handle<FixedArray> GetKeysInFixedArrayFor(Handle<JSObject> object) {
   Handle<FixedArray> content = Factory::empty_fixed_array();
 
@@ skipping 206 matching lines @@
                Handle<Context> compile_context,
                Handle<Context> function_context) {
   Handle<FixedArray> arr = Factory::NewFixedArray(3);
   arr->set(0, Smi::FromInt(index));
   arr->set(1, *compile_context);  // Compile in this context
   arr->set(2, *function_context);  // Set function context to this
   fun->shared()->set_lazy_load_data(*arr);
 }
 
 } }  // namespace v8::internal