1/*
2 * Copyright (C) 2003-2018 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 RUNTIME_FUNCTION_H_
27#define RUNTIME_FUNCTION_H_
28
29#include "BridgeJSC.h"
30#include <JavaScriptCore/InternalFunction.h>
31#include <JavaScriptCore/JSGlobalObject.h>
32
33namespace JSC {
34
35class WEBCORE_EXPORT RuntimeMethod : public InternalFunction {
36public:
37 typedef InternalFunction Base;
38 static const unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot | OverridesGetCallData;
39
40 template<typename CellType, JSC::SubspaceAccess>
41 static IsoSubspace* subspaceFor(VM& vm)
42 {
43 static_assert(sizeof(CellType) == sizeof(RuntimeMethod), "RuntimeMethod subclasses that add fields need to override subspaceFor<>()");
44 return subspaceForImpl(vm);
45 }
46
47 static RuntimeMethod* create(ExecState*, JSGlobalObject* globalObject, Structure* structure, const String& name, Bindings::Method* method)
48 {
49 VM& vm = globalObject->vm();
50 RuntimeMethod* runtimeMethod = new (NotNull, allocateCell<RuntimeMethod>(vm.heap)) RuntimeMethod(globalObject, structure, method);
51 runtimeMethod->finishCreation(vm, name);
52 return runtimeMethod;
53 }
54
55 Bindings::Method* method() const { return m_method; }
56
57 DECLARE_INFO;
58
59 static FunctionPrototype* createPrototype(VM&, JSGlobalObject& globalObject)
60 {
61 return globalObject.functionPrototype();
62 }
63
64 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
65 {
66 return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
67 }
68
69protected:
70 RuntimeMethod(JSGlobalObject*, Structure*, Bindings::Method*);
71 void finishCreation(VM&, const String&);
72
73 static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
74
75private:
76 static EncodedJSValue lengthGetter(ExecState*, EncodedJSValue, PropertyName);
77
78 static IsoSubspace* subspaceForImpl(VM&);
79
80 Bindings::Method* m_method;
81};
82
83} // namespace JSC
84
85#endif
86