/* * 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 "WasmFormat.h" #include "WasmOps.h" #include "WasmParser.h" #include <wtf/Optional.h> #include <wtf/Vector.h> namespace JSC { namespace Wasm { class ModuleParser : public Parser<void> { public: ModuleParser(const uint8_t* sourceBuffer, size_t sourceLength, ModuleInformation& info) : Parser(sourceBuffer, sourceLength) , m_info(info) { } Result WARN_UNUSED_RETURN parse(); private: #define WASM_SECTION_DECLARE_PARSER(NAME, ID, DESCRIPTION) PartialResult WARN_UNUSED_RETURN parse ## NAME(); FOR_EACH_KNOWN_WASM_SECTION(WASM_SECTION_DECLARE_PARSER) #undef WASM_SECTION_DECLARE_PARSER PartialResult WARN_UNUSED_RETURN parseCustom(uint32_t); PartialResult WARN_UNUSED_RETURN parseGlobalType(Global&); PartialResult WARN_UNUSED_RETURN parseMemoryHelper(bool isImport); PartialResult WARN_UNUSED_RETURN parseTableHelper(bool isImport); PartialResult WARN_UNUSED_RETURN parseResizableLimits(uint32_t& initial, std::optional<uint32_t>& maximum); PartialResult WARN_UNUSED_RETURN parseInitExpr(uint8_t&, uint64_t&, Type& initExprType); Ref<ModuleInformation> m_info; uint32_t m_memoryCount { 0 }; uint32_t m_tableCount { 0 }; }; } } // namespace JSC::Wasm #endif // ENABLE(WEBASSEMBLY)