Allow JavaScript accessors on API objects.

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 937 matching lines @@
   DCHECK(!name.IsEmpty());
   DCHECK(!getter.IsEmpty() || !setter.IsEmpty());
   i::HandleScope scope(isolate);
   i::ApiNatives::AddAccessorProperty(
       isolate, templ, Utils::OpenHandle(*name),
       Utils::OpenHandle(*getter, true), Utils::OpenHandle(*setter, true),
       static_cast<PropertyAttributes>(attribute));
 }
 
 
+#ifdef V8_JS_ACCESSORS
+void Template::SetAccessorProperty(v8::Local<v8::Name> name,
+                                   v8::Local<Function> getter,
+                                   v8::Local<Function> setter,
+                                   v8::PropertyAttribute attribute) {
+  auto templ = Utils::OpenHandle(this);
+  auto isolate = templ->GetIsolate();
+  ENTER_V8(isolate);
+  DCHECK(!name.IsEmpty());
+  DCHECK(!getter.IsEmpty() || !setter.IsEmpty());
+  i::HandleScope scope(isolate);
+  i::ApiNatives::AddAccessorProperty(
+      isolate, templ, Utils::OpenHandle(*name),
+      Utils::OpenHandle(*getter, true), Utils::OpenHandle(*setter, true),
+      static_cast<PropertyAttributes>(attribute));
+}
+#endif  // V8_JS_ACCESSORS
+
+
 // --- F u n c t i o n   T e m p l a t e ---
 static void InitializeFunctionTemplate(
     i::Handle<i::FunctionTemplateInfo> info) {
   InitializeTemplate(info, Consts::FUNCTION_TEMPLATE);
   info->set_flag(0);
 }
 
 
 Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() {
   i::Isolate* i_isolate = Utils::OpenHandle(this)->GetIsolate();
@@ skipping 7392 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8