SectionData.h revision 119bb9b550f139ace5f69075390937c7f1222761 
1//===- SectionData.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_LD_SECTIONDATA_H_
10#define MCLD_LD_SECTIONDATA_H_
11
12#include "mcld/Config/Config.h"
13#include "mcld/Fragment/Fragment.h"
14#include "mcld/Support/Allocators.h"
15#include "mcld/Support/Compiler.h"
16
17#include <llvm/ADT/ilist.h>
18#include <llvm/ADT/ilist_node.h>
19#include <llvm/Support/DataTypes.h>
20
21namespace mcld {
22
23class LDSection;
24
25/** \class SectionData
26 *  \brief SectionData provides a container for all Fragments.
27 */
28class SectionData {
29 private:
30  friend class Chunk<SectionData, MCLD_SECTIONS_PER_INPUT>;
31
32  SectionData();
33  explicit SectionData(LDSection& pSection);
34
35 public:
36  typedef llvm::iplist<Fragment> FragmentListType;
37
38  typedef FragmentListType::reference reference;
39  typedef FragmentListType::const_reference const_reference;
40
41  typedef FragmentListType::iterator iterator;
42  typedef FragmentListType::const_iterator const_iterator;
43
44  typedef FragmentListType::reverse_iterator reverse_iterator;
45  typedef FragmentListType::const_reverse_iterator const_reverse_iterator;
46
47 public:
48  static SectionData* Create(LDSection& pSection);
49
50  static void Destroy(SectionData*& pSection);
51
52  static void Clear();
53
54  const LDSection& getSection() const { return *m_pSection; }
55  LDSection& getSection() { return *m_pSection; }
56
57  const FragmentListType& getFragmentList() const { return m_Fragments; }
58  FragmentListType& getFragmentList() { return m_Fragments; }
59
60  size_t size() const { return m_Fragments.size(); }
61
62  bool empty() const { return m_Fragments.empty(); }
63
64  static FragmentListType SectionData::*getSublistAccess(Fragment *) {
65    return &SectionData::m_Fragments;
66  }
67
68  reference front() { return m_Fragments.front(); }
69  const_reference front() const { return m_Fragments.front(); }
70  reference back() { return m_Fragments.back(); }
71  const_reference back() const { return m_Fragments.back(); }
72
73  const_iterator begin() const { return m_Fragments.begin(); }
74  iterator begin() { return m_Fragments.begin(); }
75  const_iterator end() const { return m_Fragments.end(); }
76  iterator end() { return m_Fragments.end(); }
77  const_reverse_iterator rbegin() const { return m_Fragments.rbegin(); }
78  reverse_iterator rbegin() { return m_Fragments.rbegin(); }
79  const_reverse_iterator rend() const { return m_Fragments.rend(); }
80  reverse_iterator rend() { return m_Fragments.rend(); }
81
82 private:
83  FragmentListType m_Fragments;
84  LDSection* m_pSection;
85
86 private:
87  DISALLOW_COPY_AND_ASSIGN(SectionData);
88};
89
90}  // namespace mcld
91
92#endif  // MCLD_LD_SECTIONDATA_H_
93