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{
25protected:
26  explicit InputAction(unsigned int pPosition);
27
28public:
29  virtual ~InputAction();
30
31  virtual bool activate(InputBuilder&) const = 0;
32
33  unsigned int position() const { return m_Position; }
34
35  bool operator<(const InputAction& pOther) const
36  { return (position() < pOther.position()); }
37
38private:
39  InputAction();                               // DO_NOT_IMPLEMENT
40  InputAction(const InputAction& );            // DO_NOT_IMPLEMENT
41  InputAction& operator=(const InputAction& ); // DO_NOT_IMPLEMENT
42
43private:
44  unsigned int m_Position;
45};
46
47} // namespace of mcld
48
49#endif
50
51