mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 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 terms
   7 // of the GNU General Public License as published by the Free Software
   8 // Foundation; either version 2, or (at your option) any later
   9 // version.
  10
  11 // This library is distributed in the hope that it will be useful, but
  12 // WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this library; see the file COPYING.  If not, write to
  18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  19 // MA 02111-1307, USA.
  20
  21 // As a special exception, you may use this file as part of a free
  22 // software library without restriction.  Specifically, if other files
  23 // instantiate templates or use macros or inline functions from this
  24 // file, or you compile this file and link it with other files to
  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
  27 // License.  This exception does not however invalidate any other
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  33 // Permission to use, copy, modify, sell, and distribute this software
  34 // is hereby granted without fee, provided that the above copyright
  35 // notice appears in all copies, and that both that copyright notice
  36 // and this permission notice appear in supporting documentation. None
  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file constructor_destructor_fn_imps.hpp
  44  * Contains implementations of cc_ht_map_'s constructors, destructor,
  45  *    and related functions.
  46  */
  47
  48 PB_DS_CLASS_T_DEC
  49 typename PB_DS_CLASS_C_DEC::entry_allocator
  50 PB_DS_CLASS_C_DEC::s_entry_allocator;
  51
  52 PB_DS_CLASS_T_DEC
  53 typename PB_DS_CLASS_C_DEC::entry_pointer_allocator
  54 PB_DS_CLASS_C_DEC::s_entry_pointer_allocator;
  55
  56 PB_DS_CLASS_T_DEC
  57 template<typename It>
  58 void
  59 PB_DS_CLASS_C_DEC::
  60 copy_from_range(It first_it, It last_it)
  61 {
  62   while (first_it != last_it)
  63     insert(*(first_it++));
  64 }
  65
  66 PB_DS_CLASS_T_DEC
  67 PB_DS_CLASS_C_DEC::
  68 PB_DS_CLASS_NAME() :
  69   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1)),
  70   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
  71   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
  72 {
  73   initialize();
  74   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
  75 }
  76
  77 PB_DS_CLASS_T_DEC
  78 PB_DS_CLASS_C_DEC::
  79 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn) :
  80   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn),
  81   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
  82   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
  83 {
  84   initialize();
  85   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
  86 }
  87
  88 PB_DS_CLASS_T_DEC
  89 PB_DS_CLASS_C_DEC::
  90 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn) :
  91   PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
  92   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn),
  93   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
  94   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
  95 {
  96   std::fill(m_entries, m_entries + m_num_e, (entry_pointer)NULL);
  97   Resize_Policy::notify_cleared();
  98   ranged_hash_fn_base::notify_resized(m_num_e);
  99   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
 100 }
 101
 102 PB_DS_CLASS_T_DEC
 103 PB_DS_CLASS_C_DEC::
 104 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn) :
 105   PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
 106   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1),
 107                       r_hash_fn, r_comb_hash_fn),
 108   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
 109   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
 110 {
 111   initialize();
 112   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
 113 }
 114
 115 PB_DS_CLASS_T_DEC
 116 PB_DS_CLASS_C_DEC::
 117 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn, const Resize_Policy& r_resize_policy) :
 118   PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
 119   Resize_Policy(r_resize_policy),
 120   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1),
 121                       r_hash_fn, r_comb_hash_fn),
 122   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
 123   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
 124 {
 125   initialize();
 126   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
 127 }
 128
 129 PB_DS_CLASS_T_DEC
 130 PB_DS_CLASS_C_DEC::
 131 PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) :
 132 #ifdef _GLIBCXX_DEBUG
 133   debug_base(other),
 134 #endif
 135   PB_DS_HASH_EQ_FN_C_DEC(other),
 136   resize_base(other), ranged_hash_fn_base(other),
 137   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
 138   m_entries(m_entries = s_entry_pointer_allocator.allocate(m_num_e))
 139 {
 140   initialize();
 141   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
 142     try
 143       {
 144         copy_from_range(other.begin(), other.end());
 145       }
 146     catch(...)
 147       {
 148         deallocate_all();
 149         __throw_exception_again;
 150       }
 151   _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
 152 }
 153
 154 PB_DS_CLASS_T_DEC
 155 PB_DS_CLASS_C_DEC::
 156 ~PB_DS_CLASS_NAME()
 157 { deallocate_all(); }
 158
 159 PB_DS_CLASS_T_DEC
 160 void
 161 PB_DS_CLASS_C_DEC::
 162 swap(PB_DS_CLASS_C_DEC& other)
 163 {
 164   _GLIBCXX_DEBUG_ONLY(assert_valid());
 165   _GLIBCXX_DEBUG_ONLY(other.assert_valid());
 166
 167   std::swap(m_entries, other.m_entries);
 168   std::swap(m_num_e, other.m_num_e);
 169   std::swap(m_num_used_e, other.m_num_used_e);
 170   ranged_hash_fn_base::swap(other);
 171   hash_eq_fn_base::swap(other);
 172   resize_base::swap(other);
 173
 174   _GLIBCXX_DEBUG_ONLY(debug_base::swap(other));
 175   _GLIBCXX_DEBUG_ONLY(assert_valid());
 176   _GLIBCXX_DEBUG_ONLY(other.assert_valid());
 177 }
 178
 179 PB_DS_CLASS_T_DEC
 180 void
 181 PB_DS_CLASS_C_DEC::
 182 deallocate_all()
 183 {
 184   clear();
 185   s_entry_pointer_allocator.deallocate(m_entries, m_num_e);
 186 }
 187
 188 PB_DS_CLASS_T_DEC
 189 void
 190 PB_DS_CLASS_C_DEC::
 191 initialize()
 192 {
 193   std::fill(m_entries, m_entries + m_num_e, entry_pointer(NULL));
 194   Resize_Policy::notify_resized(m_num_e);
 195   Resize_Policy::notify_cleared();
 196   ranged_hash_fn_base::notify_resized(m_num_e);
 197 }