1/*
2 * Copyright (C) 2014 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "InternalFunction.h"
29
30namespace JSC {
31
32class NullGetterFunction final : public InternalFunction {
33public:
34 typedef InternalFunction Base;
35
36 static NullGetterFunction* create(VM& vm, Structure* structure)
37 {
38 // Since NullGetterFunction is per JSGlobalObject, we use put-without-transition in InternalFunction::finishCreation.
39 NullGetterFunction* function = new (NotNull, allocateCell< NullGetterFunction>(vm.heap)) NullGetterFunction(vm, structure);
40 function->finishCreation(vm, String(), NameAdditionMode::WithoutStructureTransition);
41 return function;
42 }
43
44 DECLARE_EXPORT_INFO;
45
46 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
47 {
48 return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
49 }
50
51private:
52 NullGetterFunction(VM&, Structure*);
53};
54
55} // namespace JSC
56