2 * Copyright (C) 2016 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #if ENABLE(WEBASSEMBLY)
30 #include "AbstractModuleRecord.h"
31 #include "WasmFormat.h"
35 class JSWebAssemblyInstance;
36 class WebAssemblyFunction;
38 // Based on the WebAssembly.Instance specification
39 // https://github.com/WebAssembly/design/blob/master/JS.md#webassemblyinstance-constructor
40 class WebAssemblyModuleRecord : public AbstractModuleRecord {
41 friend class LLIntOffsetsExtractor;
43 typedef AbstractModuleRecord Base;
47 static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
48 static WebAssemblyModuleRecord* create(ExecState*, VM&, Structure*, const Identifier&, const Wasm::ModuleInformation&);
50 void link(ExecState*, JSWebAssemblyInstance*);
51 JS_EXPORT_PRIVATE JSValue evaluate(ExecState*);
54 WebAssemblyModuleRecord(VM&, Structure*, const Identifier&);
56 void finishCreation(ExecState*, VM&, const Wasm::ModuleInformation&);
57 static void destroy(JSCell*);
59 static void visitChildren(JSCell*, SlotVisitor&);
61 WriteBarrier<JSWebAssemblyInstance> m_instance;
62 WriteBarrier<WebAssemblyFunction> m_startFunction;
67 #endif // ENABLE(WEBASSEMBLY)