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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
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