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Diffstat (limited to 'Common/Strings.cpp')
-rw-r--r-- | Common/Strings.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Common/Strings.cpp b/Common/Strings.cpp new file mode 100644 index 000000000000..6cd4ad8d600a --- /dev/null +++ b/Common/Strings.cpp @@ -0,0 +1,32 @@ +//===- Strings.cpp -------------------------------------------------------===// +// +// The LLVM Linker +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "lld/Common/Strings.h" +#include "llvm/Demangle/Demangle.h" + +using namespace llvm; +using namespace lld; + +// Returns the demangled C++ symbol name for Name. +Optional<std::string> lld::demangleItanium(StringRef Name) { + // itaniumDemangle can be used to demangle strings other than symbol + // names which do not necessarily start with "_Z". Name can be + // either a C or C++ symbol. Don't call itaniumDemangle if the name + // does not look like a C++ symbol name to avoid getting unexpected + // result for a C symbol that happens to match a mangled type name. + if (!Name.startswith("_Z")) + return None; + + char *Buf = itaniumDemangle(Name.str().c_str(), nullptr, nullptr, nullptr); + if (!Buf) + return None; + std::string S(Buf); + free(Buf); + return S; +} |