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 13namespace llvm { 14namespace opt { 15 16class Option; 17 18/// OptSpecifier - Wrapper class for abstracting references to option IDs. 19class OptSpecifier { 20 unsigned ID = 0; 21 22public: 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