38 lines
989 B
C++
38 lines
989 B
C++
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/demangle.h"
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#include "common/scope_exit.h"
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namespace llvm {
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char* itaniumDemangle(const char* mangled_name, char* buf, size_t* n, int* status);
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}
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namespace Common {
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std::string DemangleSymbol(const std::string& mangled) {
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auto is_itanium = [](const std::string& name) -> bool {
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// A valid Itanium encoding requires 1-4 leading underscores, followed by 'Z'.
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auto pos = name.find_first_not_of('_');
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return pos > 0 && pos <= 4 && pos < name.size() && name[pos] == 'Z';
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};
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if (mangled.empty()) {
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return mangled;
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}
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char* demangled = nullptr;
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SCOPE_EXIT({ std::free(demangled); });
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if (is_itanium(mangled)) {
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demangled = llvm::itaniumDemangle(mangled.c_str(), nullptr, nullptr, nullptr);
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}
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if (!demangled) {
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return mangled;
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}
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return demangled;
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}
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} // namespace Common
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