diff options
Diffstat (limited to '')
-rw-r--r-- | src/common/demangle.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/common/demangle.cpp b/src/common/demangle.cpp new file mode 100644 index 000000000..f4246f666 --- /dev/null +++ b/src/common/demangle.cpp @@ -0,0 +1,37 @@ +// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "common/demangle.h" +#include "common/scope_exit.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 && 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(), nullptr, nullptr, nullptr); + } + + if (!demangled) { + return mangled; + } + return demangled; +} + +} // namespace Common |