1/*
2 * Copyright (C) 2013, 2016 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#ifndef ObjCCallbackFunction_h
26#define ObjCCallbackFunction_h
27
28#include <JavaScriptCore/JSBase.h>
29
30#if JSC_OBJC_API_ENABLED
31
32#import <JavaScriptCore/JSCallbackFunction.h>
33
34#if defined(__OBJC__)
35JSObjectRef objCCallbackFunctionForMethod(JSContext *, Class, Protocol *, BOOL isInstanceMethod, SEL, const char* types);
36JSObjectRef objCCallbackFunctionForBlock(JSContext *, id);
37JSObjectRef objCCallbackFunctionForInit(JSContext *, Class, Protocol *, SEL, const char* types);
38
39id tryUnwrapConstructor(JSC::VM*, JSObjectRef);
40#endif
41
42namespace JSC {
43
44class ObjCCallbackFunctionImpl;
45
46class ObjCCallbackFunction : public InternalFunction {
47 friend struct APICallbackFunction;
48public:
49 typedef InternalFunction Base;
50
51 template<typename CellType, SubspaceAccess mode>
52 static IsoSubspace* subspaceFor(VM& vm)
53 {
54 return vm.objCCallbackFunctionSpace<mode>();
55 }
56
57 static ObjCCallbackFunction* create(VM&, JSGlobalObject*, const String& name, std::unique_ptr<ObjCCallbackFunctionImpl>);
58 static void destroy(JSCell*);
59
60 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
61 {
62 ASSERT(globalObject);
63 return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
64 }
65
66 DECLARE_EXPORT_INFO;
67
68 ObjCCallbackFunctionImpl* impl() const { return m_impl.get(); }
69
70protected:
71 ObjCCallbackFunction(VM&, Structure*, JSObjectCallAsFunctionCallback, JSObjectCallAsConstructorCallback, std::unique_ptr<ObjCCallbackFunctionImpl>);
72
73private:
74 JSObjectCallAsFunctionCallback functionCallback() { return m_functionCallback; }
75 JSObjectCallAsConstructorCallback constructCallback() { return m_constructCallback; }
76
77 JSObjectCallAsFunctionCallback m_functionCallback;
78 JSObjectCallAsConstructorCallback m_constructCallback;
79 std::unique_ptr<ObjCCallbackFunctionImpl> m_impl;
80};
81
82} // namespace JSC
83
84#endif
85
86#endif // ObjCCallbackFunction_h
87