1 //===-- Demangle.cpp - Common demangling functions ------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// \file This file contains definitions of common demangling functions. 11 /// 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/Demangle/Demangle.h" 15 16 static bool isItaniumEncoding(const std::string &MangledName) { 17 size_t Pos = MangledName.find_first_not_of('_'); 18 // A valid Itanium encoding requires 1-4 leading underscores, followed by 'Z'. 19 return Pos > 0 && Pos <= 4 && MangledName[Pos] == 'Z'; 20 } 21 22 std::string llvm::demangle(const std::string &MangledName) { 23 char *Demangled; 24 if (isItaniumEncoding(MangledName)) 25 Demangled = itaniumDemangle(MangledName.c_str(), nullptr, nullptr, nullptr); 26 else 27 Demangled = 28 microsoftDemangle(MangledName.c_str(), nullptr, nullptr, nullptr); 29 30 if (!Demangled) 31 return MangledName; 32 33 std::string Ret = Demangled; 34 free(Demangled); 35 return Ret; 36 } 37