webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

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diff --git a/Source/JavaScriptCore/wasm/js/JSWebAssemblyMemory.h b/Source/JavaScriptCore/wasm/js/JSWebAssemblyMemory.h
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+++ b/Source/JavaScriptCore/wasm/js/JSWebAssemblyMemory.h
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+/*
+ * Copyright (C) 2016 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 "JSDestructibleObject.h"
+#include "JSObject.h"
+#include "WasmMemory.h"
+#include <wtf/RefPtr.h>
+
+namespace JSC {
+
+class ArrayBuffer;
+class JSArrayBuffer;
+
+class JSWebAssemblyMemory : public JSDestructibleObject {
+public:
+    typedef JSDestructibleObject Base;
+
+    static JSWebAssemblyMemory* create(VM&, Structure*, Wasm::Memory&&);
+    static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
+
+    DECLARE_INFO;
+
+    Wasm::Memory* memory() { return &m_memory; }
+    JSArrayBuffer* buffer(VM& vm, JSGlobalObject*);
+    Wasm::PageCount grow(ExecState*, uint32_t delta, bool shouldThrowExceptionsOnFailure);
+
+    static ptrdiff_t offsetOfMemory() { return OBJECT_OFFSETOF(JSWebAssemblyMemory, m_memory) + Wasm::Memory::offsetOfMemory(); }
+    static ptrdiff_t offsetOfSize() { return OBJECT_OFFSETOF(JSWebAssemblyMemory, m_memory) + Wasm::Memory::offsetOfSize(); }
+
+protected:
+    JSWebAssemblyMemory(VM&, Structure*, Wasm::Memory&&);
+    void finishCreation(VM&);
+    static void destroy(JSCell*);
+    static void visitChildren(JSCell*, SlotVisitor&);
+
+    Wasm::Memory m_memory;
+    WriteBarrier<JSArrayBuffer> m_bufferWrapper;
+    RefPtr<ArrayBuffer> m_buffer;
+};
+
+} // namespace JSC
+
+#endif // ENABLE(WEBASSEMBLY)