1//===- OptSpecifier.h - Option Specifiers -----------------------*- C++ -*-===// 2// 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 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef LLVM_OPTION_OPTSPECIFIER_H 10#define LLVM_OPTION_OPTSPECIFIER_H 11 12namespace llvm { 13namespace opt { 14 15class Option; 16 17/// OptSpecifier - Wrapper class for abstracting references to option IDs. 18class OptSpecifier { 19 unsigned ID = 0; 20 21public: 22 OptSpecifier() = default; 23 explicit OptSpecifier(bool) = delete; 24 /*implicit*/ OptSpecifier(unsigned ID) : ID(ID) {} 25 /*implicit*/ OptSpecifier(const Option *Opt); 26 27 bool isValid() const { return ID != 0; } 28 29 unsigned getID() const { return ID; } 30 31 bool operator==(OptSpecifier Opt) const { return ID == Opt.getID(); } 32 bool operator!=(OptSpecifier Opt) const { return !(*this == Opt); } 33}; 34 35} // end namespace opt 36} // end namespace llvm 37 38#endif // LLVM_OPTION_OPTSPECIFIER_H 39