2 * Copyright (C) 2016 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #if ENABLE(WEBASSEMBLY)
30 #include "WasmFormat.h"
32 #include "WasmParser.h"
33 #include <wtf/Optional.h>
34 #include <wtf/Vector.h>
36 namespace JSC { namespace Wasm {
38 class ModuleParser : public Parser<void> {
40 ModuleParser(const uint8_t* sourceBuffer, size_t sourceLength, ModuleInformation& info)
41 : Parser(sourceBuffer, sourceLength)
46 Result WARN_UNUSED_RETURN parse();
50 #define WASM_SECTION_DECLARE_PARSER(NAME, ID, DESCRIPTION) PartialResult WARN_UNUSED_RETURN parse ## NAME();
51 FOR_EACH_KNOWN_WASM_SECTION(WASM_SECTION_DECLARE_PARSER)
52 #undef WASM_SECTION_DECLARE_PARSER
54 PartialResult WARN_UNUSED_RETURN parseCustom(uint32_t);
55 PartialResult WARN_UNUSED_RETURN parseGlobalType(Global&);
56 PartialResult WARN_UNUSED_RETURN parseMemoryHelper(bool isImport);
57 PartialResult WARN_UNUSED_RETURN parseTableHelper(bool isImport);
58 PartialResult WARN_UNUSED_RETURN parseResizableLimits(uint32_t& initial, std::optional<uint32_t>& maximum);
59 PartialResult WARN_UNUSED_RETURN parseInitExpr(uint8_t&, uint64_t&, Type& initExprType);
61 Ref<ModuleInformation> m_info;
62 uint32_t m_memoryCount { 0 };
63 uint32_t m_tableCount { 0 };
66 } } // namespace JSC::Wasm
68 #endif // ENABLE(WEBASSEMBLY)