1/*
2 * Copyright (C) 2017-2018 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#pragma once
27
28#if ENABLE(WEBASSEMBLY)
29
30#include "JSFunction.h"
31
32namespace JSC {
33
34class JSGlobalObject;
35class JSWebAssemblyInstance;
36
37class WebAssemblyFunctionBase : public JSFunction {
38public:
39 using Base = JSFunction;
40
41 static constexpr unsigned StructureFlags = Base::StructureFlags;
42
43 DECLARE_INFO;
44
45 JSWebAssemblyInstance* instance() const { return m_instance.get(); }
46 static ptrdiff_t offsetOfInstance() { return OBJECT_OFFSETOF(WebAssemblyFunctionBase, m_instance); }
47
48protected:
49 static void visitChildren(JSCell*, SlotVisitor&);
50 void finishCreation(VM&, NativeExecutable*, unsigned length, const String& name, JSWebAssemblyInstance*);
51 WebAssemblyFunctionBase(VM&, JSGlobalObject*, Structure*);
52
53 WriteBarrier<JSWebAssemblyInstance> m_instance;
54};
55
56} // namespace JSC
57
58#endif // ENABLE(WEBASSEMBLY)
59