include/llvm/Option/OptSpecifier.h

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