Allow to define accessors on objects.

src/api.cc

 // Copyright 2009 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 758 matching lines @@
       i::Factory::NewStruct(i::CALL_HANDLER_INFO_TYPE);
   i::Handle<i::CallHandlerInfo> obj =
       i::Handle<i::CallHandlerInfo>::cast(struct_obj);
   obj->set_callback(*FromCData(callback));
   if (data.IsEmpty()) data = v8::Undefined();
   obj->set_data(*Utils::OpenHandle(*data));
   Utils::OpenHandle(this)->set_call_code(*obj);
 }
 
 
-void FunctionTemplate::AddInstancePropertyAccessor(
+static i::Handle<i::AccessorInfo> MakeAccessorInfo(
       v8::Handle<String> name,
       AccessorGetter getter,
       AccessorSetter setter,
       v8::Handle<Value> data,
       v8::AccessControl settings,
       v8::PropertyAttribute attributes) {
-  if (IsDeadCheck("v8::FunctionTemplate::AddInstancePropertyAccessor()")) {
-    return;
-  }
-  ENTER_V8;
-  HandleScope scope;
   i::Handle<i::AccessorInfo> obj = i::Factory::NewAccessorInfo();
   ASSERT(getter != NULL);
   obj->set_getter(*FromCData(getter));
   obj->set_setter(*FromCData(setter));
   if (data.IsEmpty()) data = v8::Undefined();
   obj->set_data(*Utils::OpenHandle(*data));
   obj->set_name(*Utils::OpenHandle(*name));
   if (settings & ALL_CAN_READ) obj->set_all_can_read(true);
   if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true);
   if (settings & PROHIBITS_OVERWRITING) obj->set_prohibits_overwriting(true);
   obj->set_property_attributes(static_cast<PropertyAttributes>(attributes));
+  return obj;
+}
 
+
+void FunctionTemplate::AddInstancePropertyAccessor(
+      v8::Handle<String> name,
+      AccessorGetter getter,
+      AccessorSetter setter,
+      v8::Handle<Value> data,
+      v8::AccessControl settings,
+      v8::PropertyAttribute attributes) {
+  if (IsDeadCheck("v8::FunctionTemplate::AddInstancePropertyAccessor()")) {
+    return;
+  }
+  ENTER_V8;
+  HandleScope scope;
+
+  i::Handle<i::AccessorInfo> obj = MakeAccessorInfo(name,
+                                                    getter, setter, data,
+                                                    settings, attributes);
   i::Handle<i::Object> list(Utils::OpenHandle(this)->property_accessors());
   if (list->IsUndefined()) {
     list = NeanderArray().value();
     Utils::OpenHandle(this)->set_property_accessors(*list);
   }
   NeanderArray array(list);
   array.add(obj);
 }
 
 
@@ skipping 1534 matching lines @@
 }
 
 
 bool v8::Object::Has(uint32_t index) {
   ON_BAILOUT("v8::Object::HasProperty()", return false);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   return self->HasElement(index);
 }
 
 
+bool Object::SetAccessor(Handle<String> name,
+                         AccessorGetter getter,
+                         AccessorSetter setter,
+                         v8::Handle<Value> data,
+                         AccessControl settings,
+                         PropertyAttribute attributes) {
+  ON_BAILOUT("v8::Object::SetAccessor()", return false);
+  ENTER_V8;
+  HandleScope scope;
+  i::Handle<i::AccessorInfo> info = MakeAccessorInfo(name,
+                                                     getter, setter, data,
+                                                     settings, attributes);
+  i::Handle<i::Object> result = i::SetAccessor(Utils::OpenHandle(this), info);
+  return !result.is_null() && !result->IsUndefined();
+}
+
+
 bool v8::Object::HasRealNamedProperty(Handle<String> key) {
   ON_BAILOUT("v8::Object::HasRealNamedProperty()", return false);
   return Utils::OpenHandle(this)->HasRealNamedProperty(
       *Utils::OpenHandle(*key));
 }
 
 
 bool v8::Object::HasRealIndexedProperty(uint32_t index) {
   ON_BAILOUT("v8::Object::HasRealIndexedProperty()", return false);
   return Utils::OpenHandle(this)->HasRealElementProperty(index);
@@ skipping 1986 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal