libstdc++
ordered_base.h
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1 // Profiling unordered containers implementation details -*- C++ -*-
2 
3 // Copyright (C) 2014-2019 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License along
21 // with this library; see the file COPYING3. If not see
22 // <http://www.gnu.org/licenses/>.
23 
24 /** @file profile/ordered_base.h
25  * This file is a GNU profile extension to the Standard C++ Library.
26  */
27 
28 #ifndef _GLIBCXX_PROFILE_ORDERED
29 #define _GLIBCXX_PROFILE_ORDERED 1
30 
31 namespace std _GLIBCXX_VISIBILITY(default)
32 {
33 namespace __profile
34 {
35  template<typename _Cont>
36  class _Ordered_profile
37  {
38  public:
39  void
40  _M_profile_iterate(int __rewind = 0) const
41  { __profcxx_map2umap_iterate(this->_M_map2umap_info, __rewind); }
42 
43  protected:
44  _Ordered_profile() _GLIBCXX_NOEXCEPT
45  { _M_profile_construct(); }
46 
47 #if __cplusplus >= 201103L
48  _Ordered_profile(const _Ordered_profile&) noexcept
49  : _Ordered_profile() { }
50  _Ordered_profile(_Ordered_profile&& __other) noexcept
51  : _Ordered_profile()
52  { _M_swap(__other); }
53 
54  _Ordered_profile&
55  operator=(const _Ordered_profile&) noexcept
56  {
57  _M_profile_destruct();
58  _M_profile_construct();
59  }
60 
61  _Ordered_profile&
62  operator=(_Ordered_profile&& __other) noexcept
63  {
64  _M_swap(__other);
65 
66  __other._M_profile_destruct();
67  __other._M_profile_construct();
68  }
69 #endif
70 
71  ~_Ordered_profile()
72  { _M_profile_destruct(); }
73 
74  void
75  _M_profile_construct() _GLIBCXX_NOEXCEPT
76  { _M_map2umap_info = __profcxx_map2umap_construct(); }
77 
78  void
79  _M_profile_destruct() _GLIBCXX_NOEXCEPT
80  {
81  __profcxx_map2umap_destruct(_M_map2umap_info);
82  _M_map2umap_info = 0;
83  }
84 
85  void
86  _M_swap(_Ordered_profile& __other)
87  { std::swap(_M_map2umap_info, __other._M_map2umap_info); }
88 
89  __gnu_profile::__map2umap_info* _M_map2umap_info;
90 
91  private:
92  _Cont&
93  _M_conjure()
94  { return *static_cast<_Cont*>(this); }
95  };
96 
97 } // namespace __profile
98 } // namespace std
99 
100 #endif
ISO C++ entities toplevel namespace is std.
A map-to-unordered_map instrumentation line in the object table.