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;
OptSpecifier(unsigned ID)24   /*implicit*/ OptSpecifier(unsigned ID) : ID(ID) {}
25   /*implicit*/ OptSpecifier(const Option *Opt);
26 
isValid()27   bool isValid() const { return ID != 0; }
28 
getID()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