/* * Copyright (C) 2019 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if ENABLE(WEBASSEMBLY) #include "JSObject.h" #include "WasmGlobal.h" #include "WasmLimits.h" #include "WebAssemblyFunction.h" #include "WebAssemblyWrapperFunction.h" #include <wtf/MallocPtr.h> #include <wtf/Ref.h> namespace JSC { class JSWebAssemblyGlobal final : public JSNonFinalObject { public: using Base = JSNonFinalObject; static constexpr bool needsDestruction = true; static void destroy(JSCell*); template<typename CellType, SubspaceAccess mode> static IsoSubspace* subspaceFor(VM& vm) { return vm.webAssemblyGlobalSpace<mode>(); } static JSWebAssemblyGlobal* tryCreate(JSGlobalObject*, VM&, Structure*, Ref<Wasm::Global>&&); static Structure* createStructure(VM&, JSGlobalObject*, JSValue); DECLARE_INFO; Wasm::Global* global() { return m_global.ptr(); } private: JSWebAssemblyGlobal(VM&, Structure*, Ref<Wasm::Global>&&); void finishCreation(VM&); static void visitChildren(JSCell*, SlotVisitor&); Ref<Wasm::Global> m_global; }; } // namespace JSC #endif // ENABLE(WEBASSEMBLY)