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#ifndef SymbolPrototype_h
28#define SymbolPrototype_h
29
30#include "Symbol.h"
31#include "SymbolObject.h"
32
33namespace JSC {
34
35// In the ES6 spec, Symbol.prototype object is an ordinary JS object, not one of the symbol wrapper object instance.
36class SymbolPrototype : public JSNonFinalObject {
37public:
38 typedef JSNonFinalObject Base;
39 static const unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot;
40
41 static SymbolPrototype* create(VM& vm, JSGlobalObject*, Structure* structure)
42 {
43 SymbolPrototype* prototype = new (NotNull, allocateCell<SymbolPrototype>(vm.heap)) SymbolPrototype(vm, structure);
44 prototype->finishCreation(vm);
45 return prototype;
46 }
47
48 DECLARE_INFO;
49
50 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
51 {
52 return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
53 }
54
55protected:
56 SymbolPrototype(VM&, Structure*);
57 void finishCreation(VM&);
58
59private:
60 static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
61};
62STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(SymbolPrototype);
63
64} // namespace JSC
65
66#endif // SymbolPrototype_h
67