1/*
2 * Copyright (C) 2006-2019 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#ifndef JSCallbackFunction_h
27#define JSCallbackFunction_h
28
29#include "InternalFunction.h"
30#include "JSObjectRef.h"
31
32namespace JSC {
33
34class JSCallbackFunction final : public InternalFunction {
35 friend struct APICallbackFunction;
36public:
37 typedef InternalFunction Base;
38
39 template<typename CellType, SubspaceAccess mode>
40 static IsoSubspace* subspaceFor(VM& vm)
41 {
42 return vm.callbackFunctionSpace<mode>();
43 }
44
45 static JSCallbackFunction* create(VM&, JSGlobalObject*, JSObjectCallAsFunctionCallback, const String& name);
46
47 DECLARE_INFO;
48
49 // InternalFunction mish-mashes constructor and function behavior -- we should
50 // refactor the code so this override isn't necessary
51 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
52 {
53 return Structure::create(vm, globalObject, proto, TypeInfo(InternalFunctionType, StructureFlags), info());
54 }
55
56private:
57 JSCallbackFunction(VM&, Structure*, JSObjectCallAsFunctionCallback);
58 void finishCreation(VM&, const String& name);
59
60 JSObjectCallAsFunctionCallback functionCallback() { return m_callback; }
61
62 JSObjectCallAsFunctionCallback m_callback { nullptr };
63};
64
65} // namespace JSC
66
67#endif // JSCallbackFunction_h
68