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diff --git a/Source/JavaScriptCore/wasm/WASMModuleParser.h b/Source/JavaScriptCore/wasm/WASMModuleParser.h
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+++ b/Source/JavaScriptCore/wasm/WASMModuleParser.h
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+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef WASMModuleParser_h
+#define WASMModuleParser_h
+
+#if ENABLE(WEBASSEMBLY)
+
+#include "Strong.h"
+#include "WASMReader.h"
+#include <wtf/text/WTFString.h>
+
+namespace JSC {
+
+class ExecState;
+class JSArrayBuffer;
+class JSGlobalObject;
+class JSWASMModule;
+class SourceCode;
+class VM;
+
+class WASMModuleParser {
+public:
+    WASMModuleParser(VM&, JSGlobalObject*, const SourceCode&, JSObject* imports, JSArrayBuffer*);
+    JSWASMModule* parse(ExecState*, String& errorMessage);
+
+private:
+    void parseModule(ExecState*);
+    void parseConstantPoolSection();
+    void parseSignatureSection();
+    void parseFunctionImportSection(ExecState*);
+    void parseGlobalSection(ExecState*);
+    void parseFunctionDeclarationSection();
+    void parseFunctionPointerTableSection();
+    void parseFunctionDefinitionSection();
+    void parseFunctionDefinition(size_t functionIndex);
+    void parseExportSection();
+    void getImportedValue(ExecState*, const String& importName, JSValue&);
+
+    VM& m_vm;
+    Strong<JSGlobalObject> m_globalObject;
+    const SourceCode& m_source;
+    Strong<JSObject> m_imports;
+    WASMReader m_reader;
+    Strong<JSWASMModule> m_module;
+    String m_errorMessage;
+};
+
+JS_EXPORT_PRIVATE JSWASMModule* parseWebAssembly(ExecState*, const SourceCode&, JSObject* imports, JSArrayBuffer*, String& errorMessage);
+
+} // namespace JSC
+
+#endif // ENABLE(WEBASSEMBLY)
+
+#endif // WASMModuleParser_h