src/cobalt/script/javascriptcore/util/binding_helpers.cc

/*
 * Copyright 2014 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "cobalt/script/javascriptcore/util/binding_helpers.h"

#include "third_party/WebKit/Source/JavaScriptCore/config.h"
#include "third_party/WebKit/Source/JavaScriptCore/runtime/JSObject.h"

namespace cobalt {
namespace script {
namespace javascriptcore {
namespace util {

bool HasPropertyOnPrototype(JSC::ExecState* exec_state, JSC::JSCell* cell,
                            JSC::PropertyName property_name) {
  if (cell->isObject()) {
    JSC::JSValue prototype_value = JSC::asObject(cell)->prototype();
    if (prototype_value.isObject()) {
      JSC::JSObject* prototype = JSC::asObject(prototype_value);
      if (prototype->hasProperty(exec_state, property_name)) {
        return true;
      }
    }
  }
  return false;
}

}  // namespace util
}  // namespace javascriptcore
}  // namespace script
}  // namespace cobalt