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https://git.eden-emu.dev/eden-emu/eden
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50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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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 <string>
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#include <string_view>
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#ifdef _MSC_VER
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#include <llvm/Demangle/Demangle.h>
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#else
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#include <cxxabi.h>
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#endif
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#include "common/demangle.h"
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static bool IsItanium(std::string_view name) {
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// A valid Itanium encoding requires 1-4 leading underscores, followed by 'Z'.
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auto const 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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namespace Common {
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std::string DemangleSymbol(const std::string&& mangled) {
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if (mangled.size() > 0) {
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if (IsItanium(mangled)) {
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#ifdef _MSC_VER
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// requires the use of llvm
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if (char* p = llvm::itaniumDemangle(mangled); p != nullptr) {
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std::string ret = std::string{p};
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std::free(p);
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return ret;
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}
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#else
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// can safely use libc++ and glibcxx provided demangling functions
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// it's available since 2008(!) so no system should have issues with it
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// see https://gcc.gnu.org/onlinedocs/libstdc++/libstdc++-html-USERS-4.3/a01696.html
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int status;
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if (char* p = abi::__cxa_demangle(mangled.c_str(), NULL, NULL, &status); p != nullptr) {
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std::string ret = std::string{p};
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std::free(p);
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return ret;
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}
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#else
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}
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return mangled;
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}
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return std::string{};
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}
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#endif
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} // namespace Common
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