1 //===-- Demangle.cpp - Common demangling functions ------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 /// \file This file contains definitions of common demangling functions.
11 //===----------------------------------------------------------------------===//
13 #include "llvm/Demangle/Demangle.h"
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';
22 std::string llvm::demangle(const std::string &MangledName) {
24 if (isItaniumEncoding(MangledName))
25 Demangled = itaniumDemangle(MangledName.c_str(), nullptr, nullptr, nullptr);
28 microsoftDemangle(MangledName.c_str(), nullptr, nullptr, nullptr);
33 std::string Ret = Demangled;