1 //===- OptSpecifier.h - Option Specifiers -----------------------*- C++ -*-===// 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 #ifndef LLVM_OPTION_OPTSPECIFIER_H 11 #define LLVM_OPTION_OPTSPECIFIER_H 12 13 namespace llvm { 14 namespace opt { 15 16 class Option; 17 18 /// OptSpecifier - Wrapper class for abstracting references to option IDs. 19 class OptSpecifier { 20 unsigned ID = 0; 21 22 public: 23 OptSpecifier() = default; 24 explicit OptSpecifier(bool) = delete; 25 /*implicit*/ OptSpecifier(unsigned ID) : ID(ID) {} 26 /*implicit*/ OptSpecifier(const Option *Opt); 27 28 bool isValid() const { return ID != 0; } 29 30 unsigned getID() const { return ID; } 31 32 bool operator==(OptSpecifier Opt) const { return ID == Opt.getID(); } 33 bool operator!=(OptSpecifier Opt) const { return !(*this == Opt); } 34 }; 35 36 } // end namespace opt 37 } // end namespace llvm 38 39 #endif // LLVM_OPTION_OPTSPECIFIER_H 40