include/llvm/Option/OptSpecifier.h

   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