old-autovect-branch/libstdc++-v3/include/ext/pb_assoc/detail/lu_map_/constructor_destructor_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005 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 2, 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 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  31
  32 // Permission to use, copy, modify, sell, and distribute this software
  33 // is hereby granted without fee, provided that the above copyright
  34 // notice appears in all copies, and that both that copyright notice and
  35 // this permission notice appear in supporting documentation. None of
  36 // the above authors, nor IBM Haifa Research Laboratories, make any
  37 // representation about the suitability of this software for any
  38 // purpose. It is provided "as is" without express or implied warranty.
  39
  40 /**
  41  * @file constructor_destructor_fn_imps.hpp
  42  * Contains implementations of PB_ASSOC_CLASS_NAME.
  43  */
  44
  45 PB_ASSOC_CLASS_T_DEC
  46 typename PB_ASSOC_CLASS_C_DEC::entry_allocator
  47 PB_ASSOC_CLASS_C_DEC::s_entry_allocator;
  48
  49 PB_ASSOC_CLASS_T_DEC
  50 template<class It>
  51 void
  52 PB_ASSOC_CLASS_C_DEC::
  53 copy_from_range(It first_it, It last_it)
  54 {
  55   while (first_it != last_it)
  56     insert(*(first_it++));
  57 }
  58
  59 PB_ASSOC_CLASS_T_DEC
  60 PB_ASSOC_CLASS_C_DEC::
  61 PB_ASSOC_CLASS_NAME() :
  62   m_p_l(s_entry_allocator.allocate(1)),
  63   m_size(0)
  64 {
  65   initialize();
  66
  67   PB_ASSOC_DBG_ONLY(assert_valid();)
  68     }
  69
  70 PB_ASSOC_CLASS_T_DEC
  71 PB_ASSOC_CLASS_C_DEC::
  72 PB_ASSOC_CLASS_NAME(const Eq_Fn& r_eq_fn) :
  73   Eq_Fn(r_eq_fn),
  74   m_p_l(s_entry_allocator.allocate(1)),
  75   m_size(0)
  76 {
  77   initialize();
  78
  79   PB_ASSOC_DBG_ONLY(assert_valid();)
  80     }
  81
  82 PB_ASSOC_CLASS_T_DEC
  83 PB_ASSOC_CLASS_C_DEC::
  84 PB_ASSOC_CLASS_NAME(const Eq_Fn& r_eq_fn, const Update_Policy& r_update_policy) :
  85   Eq_Fn(r_eq_fn),
  86   Update_Policy(r_update_policy),
  87   m_p_l(s_entry_allocator.allocate(1)),
  88   m_size(0)
  89 {
  90   initialize();
  91
  92   PB_ASSOC_DBG_ONLY(assert_valid();)
  93     }
  94
  95 PB_ASSOC_CLASS_T_DEC
  96 PB_ASSOC_CLASS_C_DEC::
  97 PB_ASSOC_CLASS_NAME(const PB_ASSOC_CLASS_C_DEC& r_other) :
  98   Eq_Fn(r_other),
  99   Update_Policy(r_other),
 100   m_p_l(s_entry_allocator.allocate(1)),
 101   m_size(0)
 102 {
 103   initialize();
 104
 105   try
 106     {
 107       copy_from_range(r_other.begin(), r_other.end());
 108     }
 109   catch(...)
 110     {
 111       deallocate_all(true);
 112
 113       throw;
 114     }
 115
 116   PB_ASSOC_DBG_ONLY(assert_valid();)
 117     }
 118
 119 PB_ASSOC_CLASS_T_DEC
 120 void
 121 PB_ASSOC_CLASS_C_DEC::
 122 swap(PB_ASSOC_CLASS_C_DEC& r_other)
 123 {
 124   PB_ASSOC_DBG_ONLY(assert_valid();)
 125     PB_ASSOC_DBG_ONLY(r_other.assert_valid();)
 126
 127     std::swap(m_p_l, r_other.m_p_l);
 128
 129   std::swap(m_size, r_other.m_size);
 130
 131   std::swap((Eq_Fn& )(*this), (Eq_Fn& )r_other);
 132
 133   Update_Policy::swap(r_other);
 134
 135   PB_ASSOC_DBG_ONLY(my_map_debug_base::swap(r_other);)
 136
 137     PB_ASSOC_DBG_ONLY(assert_valid();)
 138     PB_ASSOC_DBG_ONLY(r_other.assert_valid();)
 139     }
 140
 141 PB_ASSOC_CLASS_T_DEC
 142 void
 143 PB_ASSOC_CLASS_C_DEC::
 144 deallocate_all(bool deallocate_root)
 145 {
 146   entry_pointer p_l = m_p_l->m_p_next;
 147
 148   while (p_l != NULL)
 149     {
 150       entry_pointer p_next_l = p_l->m_p_next;
 151
 152       p_l->~entry();
 153
 154       s_entry_allocator.deallocate(p_l, 1);
 155
 156       p_l = p_next_l;
 157     }
 158
 159   if (deallocate_root)
 160     s_entry_allocator.deallocate(m_p_l, 1);
 161   else
 162     m_p_l->m_p_next = NULL;
 163 }
 164
 165 PB_ASSOC_CLASS_T_DEC
 166 PB_ASSOC_CLASS_C_DEC::
 167 ~PB_ASSOC_CLASS_NAME()
 168 {
 169   deallocate_all(true);
 170 }
 171
 172 PB_ASSOC_CLASS_T_DEC
 173 void
 174 PB_ASSOC_CLASS_C_DEC::
 175 initialize()
 176 {
 177   m_p_l->m_p_next = NULL;
 178 }