1//===- InputAction.h ------------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_MC_INPUTACTION_H_
10#define MCLD_MC_INPUTACTION_H_
11
12namespace mcld {
13
14class SearchDirs;
15class InputBuilder;
16
17//===----------------------------------------------------------------------===//
18// Base InputAction
19//===----------------------------------------------------------------------===//
20/** \class InputAction
21 *  \brief InputAction is a command object to construct mcld::InputTree.
22 */
23class InputAction {
24 protected:
25  explicit InputAction(unsigned int pPosition);
26
27 public:
28  virtual ~InputAction();
29
30  virtual bool activate(InputBuilder&) const = 0;
31
32  unsigned int position() const { return m_Position; }
33
34  bool operator<(const InputAction& pOther) const {
35    return (position() < pOther.position());
36  }
37
38 private:
39  InputAction();                               // DO_NOT_IMPLEMENT
40  InputAction(const InputAction&);             // DO_NOT_IMPLEMENT
41  InputAction& operator=(const InputAction&);  // DO_NOT_IMPLEMENT
42
43 private:
44  unsigned int m_Position;
45};
46
47}  // namespace mcld
48
49#endif  // MCLD_MC_INPUTACTION_H_
50