libstdc++-v3/include/ext/pb_ds/detail/list_update_map_/insert_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 insert_fn_imps.hpp
  44  * Contains implementations of lu_map_.
  45  */
  46
  47 PB_DS_CLASS_T_DEC
  48 inline std::pair<
  49   typename PB_DS_CLASS_C_DEC::point_iterator,
  50   bool>
  51 PB_DS_CLASS_C_DEC::
  52 insert(const_reference r_val)
  53 {
  54   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  55
  56     entry_pointer p_l = find_imp(PB_DS_V2F(r_val));
  57
  58   if (p_l != NULL)
  59     {
  60       _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(
  61                                                       PB_DS_V2F(r_val));)
  62
  63         return std::make_pair(point_iterator(&p_l->m_value), false);
  64     }
  65
  66   _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(
  67                                                           PB_DS_V2F(r_val));)
  68
  69     p_l = allocate_new_entry(r_val, PB_DS_TYPES_TRAITS_C_DEC::m_no_throw_copies_indicator);
  70
  71   p_l->m_p_next = m_p_l;
  72
  73   m_p_l = p_l;
  74
  75   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  76
  77     return std::make_pair(point_iterator(&p_l->m_value), true);
  78 }
  79
  80 PB_DS_CLASS_T_DEC
  81 inline typename PB_DS_CLASS_C_DEC::entry_pointer
  82 PB_DS_CLASS_C_DEC::
  83 allocate_new_entry(const_reference r_val, false_type)
  84 {
  85   entry_pointer p_l = s_entry_allocator.allocate(1);
  86
  87   cond_dealtor_t cond(p_l);
  88
  89   new (const_cast<void* >(
  90                           static_cast<const void* >(&p_l->m_value)))
  91     value_type(r_val);
  92
  93   cond.set_no_action();
  94
  95   _GLIBCXX_DEBUG_ONLY(map_debug_base::insert_new(
  96                                             PB_DS_V2F(r_val));)
  97
  98     init_entry_metadata(p_l, s_metadata_type_indicator);
  99
 100   return p_l;
 101 }
 102
 103 PB_DS_CLASS_T_DEC
 104 inline typename PB_DS_CLASS_C_DEC::entry_pointer
 105 PB_DS_CLASS_C_DEC::
 106 allocate_new_entry(const_reference    r_val, true_type)
 107 {
 108   entry_pointer p_l = s_entry_allocator.allocate(1);
 109
 110   new (&p_l->m_value) value_type(r_val);
 111
 112   _GLIBCXX_DEBUG_ONLY(map_debug_base::insert_new(
 113                                             PB_DS_V2F(r_val));)
 114
 115     init_entry_metadata(p_l, s_metadata_type_indicator);
 116
 117   return p_l;
 118 }
 119
 120 PB_DS_CLASS_T_DEC
 121 template<typename Metadata>
 122 inline void
 123 PB_DS_CLASS_C_DEC::
 124 init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
 125 {
 126   new (&p_l->m_update_metadata) Metadata(s_update_policy());
 127 }
 128
 129 PB_DS_CLASS_T_DEC
 130 inline void
 131 PB_DS_CLASS_C_DEC::
 132 init_entry_metadata(entry_pointer, type_to_type<null_lu_metadata>)
 133 { }
 134