module-decoder-impl.h | Explore in Territory

// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#if !V8_ENABLE_WEBASSEMBLY
#error This header should only be included if WebAssembly is enabled.
#endif  // !V8_ENABLE_WEBASSEMBLY

#ifndef V8_WASM_MODULE_DECODER_IMPL_H_
#define V8_WASM_MODULE_DECODER_IMPL_H_

#include "src/base/platform/wrappers.h"
#include "src/logging/counters.h"
#include "src/strings/unicode.h"
#include "src/utils/ostreams.h"
#include "src/wasm/canonical-types.h"
#include "src/wasm/constant-expression-interface.h"
#include "src/wasm/function-body-decoder-impl.h"
#include "src/wasm/module-decoder.h"
#include "src/wasm/wasm-engine.h"
#include "src/wasm/wasm-module.h"
#include "src/wasm/wasm-subtyping.h"
#include "src/wasm/well-known-imports.h"

namespace v8::internal::wasm {

#define TRACE …

constexpr char kNameString[] = …;
constexpr char kSourceMappingURLString[] = …;
constexpr char kInstTraceString[] = …;
constexpr char kCompilationHintsString[] = …;
constexpr char kBranchHintsString[] = …;
constexpr char kDebugInfoString[] = …;
constexpr char kExternalDebugInfoString[] = …;

inline const char* ExternalKindName(ImportExportKindCode kind) { … }

inline bool validate_utf8(Decoder* decoder, WireBytesRef string) { … }

// Reads a length-prefixed string, checking that it is within bounds. Returns
// the offset of the string, and the length as an out parameter.
inline WireBytesRef consume_string(Decoder* decoder,
                                   unibrow::Utf8Variant grammar,
                                   const char* name, ITracer* tracer) { … }

inline WireBytesRef consume_string(Decoder* decoder,
                                   unibrow::Utf8Variant grammar,
                                   const char* name) { … }

inline WireBytesRef consume_utf8_string(Decoder* decoder, const char* name,
                                        ITracer* tracer) { … }

inline SectionCode IdentifyUnknownSectionInternal(Decoder* decoder,
                                                  ITracer* tracer) { … }

// An iterator over the sections in a wasm binary module.
// Automatically skips all unknown sections.
class WasmSectionIterator { … };

inline void DumpModule(const base::Vector<const uint8_t> module_bytes,
                       bool ok) { … }

// The main logic for decoding the bytes of a module.
class ModuleDecoderImpl : public Decoder { … };

}  // namespace v8::internal::wasm

#undef TRACE

#endif  // V8_WASM_MODULE_DECODER_IMPL_H_
chromium/v8/src/wasm/module-decoder-impl.h
