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#include "llvm/Support/Compiler.h" 14 15namespace llvm { 16namespace opt { 17 class Option; 18 19 /// OptSpecifier - Wrapper class for abstracting references to option IDs. 20 class OptSpecifier { 21 unsigned ID; 22 23 private: 24 explicit OptSpecifier(bool) = delete; 25 26 public: 27 OptSpecifier() : ID(0) {} 28 /*implicit*/ OptSpecifier(unsigned ID) : ID(ID) {} 29 /*implicit*/ OptSpecifier(const Option *Opt); 30 31 bool isValid() const { return ID != 0; } 32 33 unsigned getID() const { return ID; } 34 35 bool operator==(OptSpecifier Opt) const { return ID == Opt.getID(); } 36 bool operator!=(OptSpecifier Opt) const { return !(*this == Opt); } 37 }; 38} 39} 40 41#endif 42