59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/demangler.h"
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namespace tint {
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namespace {
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constexpr char kSymbol[] = "tint_symbol_";
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constexpr size_t kSymbolLen = sizeof(kSymbol) - 1;
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} // namespace
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Demangler::Demangler() = default;
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Demangler::~Demangler() = default;
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std::string Demangler::Demangle(const ast::Module& mod,
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const std::string& str) const {
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auto ret = str;
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size_t pos = 0;
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for (;;) {
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auto idx = ret.find(kSymbol, pos);
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if (idx == std::string::npos)
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break;
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auto start_idx = idx + kSymbolLen;
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auto end_idx = start_idx;
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while (ret[end_idx] >= '0' && ret[end_idx] <= '9') {
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end_idx++;
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}
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auto len = end_idx - start_idx;
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auto id = ret.substr(start_idx, len);
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Symbol sym(std::stoi(id));
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auto name = mod.SymbolToName(sym);
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ret.replace(idx, end_idx - idx, name);
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pos = idx + name.length();
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}
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return ret;
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}
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} // namespace tint
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