libstdc++-v3/include/profile/ordered_base.h

   1 // Profiling unordered containers implementation details -*- C++ -*-
   2
   3 // Copyright (C) 2014-2017 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