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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <llvm/Demangle/Demangle.h>
#include "common/demangle.h"
#include "common/scope_exit.h"
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 && pos < name.size() && name[pos] == 'Z';
};
if (mangled.empty()) {
return mangled;
}
char* demangled = nullptr;
SCOPE_EXIT({ std::free(demangled); });
if (is_itanium(mangled)) {
demangled = llvm::itaniumDemangle(mangled.c_str());
}
if (!demangled) {
return mangled;
}
return demangled;
}
} // namespace Common
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