demangle_rust.cc | Explore in Territory

// Copyright 2024 The Abseil Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "absl/debugging/internal/demangle_rust.h"

#include <cstddef>
#include <cstdint>
#include <cstring>
#include <limits>

#include "absl/base/attributes.h"
#include "absl/base/config.h"
#include "absl/debugging/internal/decode_rust_punycode.h"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace debugging_internal {

namespace {

// Same step limit as the C++ demangler in demangle.cc uses.
constexpr int kMaxReturns = …;

bool IsDigit(char c) { … }
bool IsLower(char c) { … }
bool IsUpper(char c) { … }
bool IsAlpha(char c) { … }
bool IsIdentifierChar(char c) { … }
bool IsLowerHexDigit(char c) { … }

const char* BasicTypeName(char c) { … }

// Parser for Rust symbol mangling v0, whose grammar is defined here:
//
// https://doc.rust-lang.org/rustc/symbol-mangling/v0.html#symbol-grammar-summary
class RustSymbolParser { … };

}  // namespace

bool DemangleRustSymbolEncoding(const char* mangled, char* out,
                                size_t out_size) { … }

}  // namespace debugging_internal
ABSL_NAMESPACE_END
}  // namespace absl
chromium/third_party/abseil-cpp/absl/debugging/internal/demangle_rust.cc
