OptSpecifier.h revision a39058aaed4540fc37681cad728b99546595b2e8 
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
13namespace llvm {
14namespace opt {
15  class Option;
16
17  /// OptSpecifier - Wrapper class for abstracting references to option IDs.
18  class OptSpecifier {
19    unsigned ID;
20
21  private:
22    explicit OptSpecifier(bool) LLVM_DELETED_FUNCTION;
23
24  public:
25    OptSpecifier() : ID(0) {}
26    /*implicit*/ OptSpecifier(unsigned _ID) : ID(_ID) {}
27    /*implicit*/ OptSpecifier(const Option *Opt);
28
29    bool isValid() const { return ID != 0; }
30
31    unsigned getID() const { return ID; }
32
33    bool operator==(OptSpecifier Opt) const { return ID == Opt.getID(); }
34    bool operator!=(OptSpecifier Opt) const { return !(*this == Opt); }
35  };
36}
37}
38
39#endif
40