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
31namespace std _GLIBCXX_VISIBILITY(default)
32{
33namespace __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.