api: Object::CachedProperty

src/api.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 3054 matching lines @@
       index,
       value_obj,
       NONE,
       i::kNonStrictMode);
   has_pending_exception = obj.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, false);
   return true;
 }
 
 
+bool v8::Object::Set(v8::Object::CachedProperty key,
+                     v8::Handle<Value> value,
+                     v8::PropertyAttribute attribs) {
+  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
+  ON_BAILOUT(isolate, "v8::Object::Set()", return false);
+  ENTER_V8(isolate);
+  i::HandleScope scope(isolate);
+  i::Handle<i::Object> self = Utils::OpenHandle(this);
+  i::Handle<i::Object> key_obj = Utils::OpenHandle(*key.key_);
+  i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
+  EXCEPTION_PREAMBLE(isolate);
+  i::Handle<i::Object> obj = i::SetProperty(
+      isolate,
+      self,
+      key_obj,
+      value_obj,
+      static_cast<PropertyAttributes>(attribs),
+      i::kNonStrictMode,
+      key.cache_);
+  has_pending_exception = obj.is_null();
+  EXCEPTION_BAILOUT_CHECK(isolate, false);
+  return true;
+}
+
+
 bool v8::Object::ForceSet(v8::Handle<Value> key,
                           v8::Handle<Value> value,
                           v8::PropertyAttribute attribs) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::ForceSet()", return false);
   ENTER_V8(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
   i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
@@ skipping 53 matching lines @@
   ENTER_V8(isolate);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> result = i::Object::GetElement(self, index);
   has_pending_exception = result.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
   return Utils::ToLocal(result);
 }
 
 
+Local<Value> v8::Object::Get(v8::Object::CachedProperty key) {
+  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
+  ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>());
+  ENTER_V8(isolate);
+  i::Handle<i::Object> self = Utils::OpenHandle(this);
+  i::Handle<i::Object> key_obj = Utils::OpenHandle(*key.key_);
+  EXCEPTION_PREAMBLE(isolate);
+  i::Handle<i::Object> result = i::GetProperty(isolate,
+                                               self,
+                                               key_obj,
+                                               key.cache_);
+  has_pending_exception = result.is_null();
+  EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
+
+  return Utils::ToLocal(result);
+}
+
+
 PropertyAttribute v8::Object::GetPropertyAttributes(v8::Handle<Value> key) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::GetPropertyAttribute()",
              return static_cast<PropertyAttribute>(NONE));
   ENTER_V8(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
   if (!key_obj->IsName()) {
     EXCEPTION_PREAMBLE(isolate);
@@ skipping 2329 matching lines @@
   i::Isolate* isolate = obj->GetIsolate();
   if (IsDeadCheck(isolate, "v8::String::CanMakeExternal()")) return false;
   if (isolate->string_tracker()->IsFreshUnusedString(obj)) return false;
   int size = obj->Size();  // Byte size of the original string.
   if (size < i::ExternalString::kShortSize) return false;
   i::StringShape shape(*obj);
   return !shape.IsExternal();
 }
 
 
+v8::Object::CachedProperty::CachedProperty(v8::Handle<v8::String> key) {
+  i::Isolate* isolate = Utils::OpenHandle(*key)->GetIsolate();
+  key_ = Persistent<String>::New(reinterpret_cast<v8::Isolate*>(isolate), key);
+  cache_ = new i::LookupCache(isolate);
+}
+
+
 Local<v8::Object> v8::Object::New() {
   i::Isolate* isolate = i::Isolate::Current();
   EnsureInitializedForIsolate(isolate, "v8::Object::New()");
   LOG_API(isolate, "Object::New");
   ENTER_V8(isolate);
   i::Handle<i::JSObject> obj =
       isolate->factory()->NewJSObject(isolate->object_function());
   return Utils::ToLocal(obj);
 }
 
@@ skipping 1972 matching lines @@
 
   v->VisitPointers(blocks_.first(), first_block_limit_);
 
   for (int i = 1; i < blocks_.length(); i++) {
     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
   }
 }
 
 
 } }  // namespace v8::internal