Convert function.name to API-style accessor and make CallApiGetterStub serializable.

src/accessors.cc

 // Copyright 2012 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 929 matching lines @@
                       &FunctionLengthSetter,
                       attributes);
 }
 
 
 //
 // Accessors::FunctionName
 //
 
 
-Object* Accessors::FunctionGetName(Isolate* isolate,
-                                   Object* object,
-                                   void*) {
-  JSFunction* holder = FindInstanceOf<JSFunction>(isolate, object);
-  return holder == NULL
-      ? isolate->heap()->undefined_value()
-      : holder->shared()->name();
+void Accessors::FunctionNameGetter(
+    v8::Local<v8::String> name,
+    const v8::PropertyCallbackInfo<v8::Value>& info) {
+  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate());
+  HandleScope scope(isolate);
+  Handle<Object> object = Utils::OpenHandle(*info.This());
+  MaybeHandle<JSFunction> maybe_function;
+
+  {
+    DisallowHeapAllocation no_allocation;
+    JSFunction* function = FindInstanceOf<JSFunction>(isolate, *object);
+    if (function != NULL) maybe_function = Handle<JSFunction>(function);
+  }
+
+  Handle<JSFunction> function;
+  Handle<Object> result;
+  if (maybe_function.ToHandle(&function)) {
+    result = Handle<Object>(function->shared()->name(), isolate);
+  } else {
+    result = isolate->factory()->undefined_value();
+  }
+  info.GetReturnValue().Set(Utils::ToLocal(result));
 }
 
 
-const AccessorDescriptor Accessors::FunctionName = {
-  FunctionGetName,
-  ReadOnlySetAccessor,
-  0
-};
+void Accessors::FunctionNameSetter(
+    v8::Local<v8::String> name,
+    v8::Local<v8::Value> val,
+    const v8::PropertyCallbackInfo<void>& info) {
+  // Do nothing.
+}
+
+
+Handle<AccessorInfo> Accessors::FunctionNameInfo(
+      Isolate* isolate, PropertyAttributes attributes) {
+  return MakeAccessor(isolate,
+                      isolate->factory()->name_string(),
+                      &FunctionNameGetter,
+                      &FunctionNameSetter,
+                      attributes);
+}
 
 
 //
 // Accessors::FunctionArguments
 //
 
 
 static Handle<Object> ArgumentsForInlinedFunction(
     JavaScriptFrame* frame,
     Handle<JSFunction> inlined_function,
@@ skipping 286 matching lines @@
   info->set_data(Smi::FromInt(index));
   Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport);
   Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport);
   info->set_getter(*getter);
   if (!(attributes & ReadOnly)) info->set_setter(*setter);
   return info;
 }
 
 
 } }  // namespace v8::internal