StrToken.h revision 37b74a387bb3993387029859c2d9d051c41c724e 
1//===- StrToken.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_SCRIPT_STRTOKEN_H_
10#define MCLD_SCRIPT_STRTOKEN_H_
11
12#include "mcld/Config/Config.h"
13#include "mcld/Support/Allocators.h"
14
15#include <string>
16
17namespace mcld {
18
19/** \class StrToken
20 *  \brief This class defines the interfaces to a element in EXCLUDE_FILE list
21 *         or in Output Section Phdr, or be a base class of other str token.
22 */
23
24class StrToken {
25 public:
26  enum Kind { Unknown, String, Input, Wildcard };
27
28 private:
29  friend class Chunk<StrToken, MCLD_SYMBOLS_PER_INPUT>;
30
31 protected:
32  StrToken();
33  StrToken(Kind pKind, const std::string& pString);
34
35 public:
36  virtual ~StrToken();
37
38  Kind kind() const { return m_Kind; }
39
40  const std::string& name() const { return m_Name; }
41
42  static bool classof(const StrToken* pToken) {
43    return pToken->kind() == StrToken::String;
44  }
45
46  /* factory method */
47  static StrToken* create(const std::string& pString);
48  static void destroy(StrToken*& pToken);
49  static void clear();
50
51 private:
52  Kind m_Kind;
53  std::string m_Name;
54};
55
56}  // namespace mcld
57
58#endif  // MCLD_SCRIPT_STRTOKEN_H_
59