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;
OptSpecifier(unsigned ID)25   /*implicit*/ OptSpecifier(unsigned ID) : ID(ID) {}
26   /*implicit*/ OptSpecifier(const Option *Opt);
27 
isValid()28   bool isValid() const { return ID != 0; }
29 
getID()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
40