mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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88 lines
3.9 KiB
C++
88 lines
3.9 KiB
C++
/*
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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* Copyright (C) 2018 Yusuke Suzuki <yusukesuzuki@slowstart.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEBASSEMBLY)
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#include "WasmFormat.h"
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#include "WasmOps.h"
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#include "WasmParser.h"
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#include <wtf/text/ASCIILiteral.h>
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namespace JSC { namespace Wasm {
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class SectionParser final : public Parser<void> {
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public:
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SectionParser(const uint8_t* data, size_t size, size_t offsetInSource, ModuleInformation& info)
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: Parser(data, size)
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, m_offsetInSource(offsetInSource)
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, m_info(info)
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{
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}
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#define WASM_SECTION_DECLARE_PARSER(NAME, ID, DESCRIPTION) PartialResult WARN_UNUSED_RETURN parse ## NAME();
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FOR_EACH_KNOWN_WASM_SECTION(WASM_SECTION_DECLARE_PARSER)
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#undef WASM_SECTION_DECLARE_PARSER
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PartialResult WARN_UNUSED_RETURN parseCustom();
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private:
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template <typename ...Args>
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NEVER_INLINE UnexpectedResult WARN_UNUSED_RETURN fail(Args... args) const
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{
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using namespace FailureHelper; // See ADL comment in namespace above.
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if (UNLIKELY(ASSERT_ENABLED && Options::crashOnFailedWebAssemblyValidate()))
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CRASH();
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return UnexpectedResult(makeString("WebAssembly.Module doesn't parse at byte "_s, String::number(m_offset + m_offsetInSource), ": "_s, makeString(args)...));
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}
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PartialResult WARN_UNUSED_RETURN parseGlobalType(GlobalInformation&);
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PartialResult WARN_UNUSED_RETURN parseMemoryHelper(bool isImport);
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PartialResult WARN_UNUSED_RETURN parseTableHelper(bool isImport);
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enum class LimitsType { Memory, Table };
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PartialResult WARN_UNUSED_RETURN parseResizableLimits(uint32_t& initial, Optional<uint32_t>& maximum, bool& isShared, LimitsType);
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PartialResult WARN_UNUSED_RETURN parseInitExpr(uint8_t&, uint64_t&, Type& initExprType);
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PartialResult WARN_UNUSED_RETURN parseI32InitExpr(Optional<I32InitExpr>&, ASCIILiteral failMessage);
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PartialResult WARN_UNUSED_RETURN validateElementTableIdx(uint32_t);
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PartialResult WARN_UNUSED_RETURN parseI32InitExprForElementSection(Optional<I32InitExpr>&);
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PartialResult WARN_UNUSED_RETURN parseElementKind(uint8_t& elementKind);
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PartialResult WARN_UNUSED_RETURN parseIndexCountForElementSection(uint32_t&, const unsigned);
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PartialResult WARN_UNUSED_RETURN parseElementSegmentVectorOfExpressions(Vector<uint32_t>&, const unsigned, const unsigned);
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PartialResult WARN_UNUSED_RETURN parseElementSegmentVectorOfIndexes(Vector<uint32_t>&, const unsigned, const unsigned);
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PartialResult WARN_UNUSED_RETURN parseI32InitExprForDataSection(Optional<I32InitExpr>&);
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size_t m_offsetInSource;
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Ref<ModuleInformation> m_info;
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};
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} } // namespace JSC::Wasm
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#endif // ENABLE(WEBASSEMBLY)
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