1/*
2 * Copyright (C) 2012 Apple Inc. All rights reserved.
3 * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24 * THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include "JSObject.h"
30#include "Symbol.h"
31
32namespace JSC {
33
34// In the ES6 spec, Symbol.prototype object is an ordinary JS object, not one of the symbol wrapper object instance.
35class SymbolPrototype final : public JSNonFinalObject {
36public:
37 typedef JSNonFinalObject Base;
38 static const unsigned StructureFlags = Base::StructureFlags | HasStaticPropertyTable;
39
40 static SymbolPrototype* create(VM& vm, JSGlobalObject* globalObject, Structure* structure)
41 {
42 SymbolPrototype* prototype = new (NotNull, allocateCell<SymbolPrototype>(vm.heap)) SymbolPrototype(vm, structure);
43 prototype->finishCreation(vm, globalObject);
44 return prototype;
45 }
46
47 DECLARE_INFO;
48
49 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
50 {
51 return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
52 }
53
54protected:
55 SymbolPrototype(VM&, Structure*);
56 void finishCreation(VM&, JSGlobalObject*);
57};
58STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(SymbolPrototype);
59
60} // namespace JSC
61