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suyu/src/common/demangle.cpp

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2023-01-14 06:12:41 +01:00
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/demangle.h"
namespace llvm {
char* itaniumDemangle(const char* mangled_name, char* buf, size_t* n, int* status);
}
namespace Common {
std::string DemangleSymbol(const std::string& mangled) {
auto is_itanium = [](const std::string& name) -> bool {
// A valid Itanium encoding requires 1-4 leading underscores, followed by 'Z'.
auto pos = name.find_first_not_of('_');
return pos > 0 && pos <= 4 && name[pos] == 'Z';
};
char* demangled = nullptr;
if (is_itanium(mangled)) {
demangled = llvm::itaniumDemangle(mangled.c_str(), nullptr, nullptr, nullptr);
}
if (!demangled) {
return mangled;
}
std::string ret = demangled;
std::free(demangled);
return ret;
}
} // namespace Common