mingw/lib/gcc/mingw32/4.3.3/include/c++/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   entry_pointer p_l = find_imp(PB_DS_V2F(r_val));
  56
  57   if (p_l != NULL)
  58     {
  59       _GLIBCXX_DEBUG_ONLY(debug_base::check_key_exists(PB_DS_V2F(r_val));)
  60       return std::make_pair(point_iterator(&p_l->m_value), false);
  61     }
  62
  63   _GLIBCXX_DEBUG_ONLY(debug_base::check_key_does_not_exist(PB_DS_V2F(r_val));)
  64
  65   p_l = allocate_new_entry(r_val, traits_base::m_no_throw_copies_indicator);
  66   p_l->m_p_next = m_p_l;
  67   m_p_l = p_l;
  68   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  69   return std::make_pair(point_iterator(&p_l->m_value), true);
  70 }
  71
  72 PB_DS_CLASS_T_DEC
  73 inline typename PB_DS_CLASS_C_DEC::entry_pointer
  74 PB_DS_CLASS_C_DEC::
  75 allocate_new_entry(const_reference r_val, false_type)
  76 {
  77   entry_pointer p_l = s_entry_allocator.allocate(1);
  78   cond_dealtor_t cond(p_l);
  79   new (const_cast<void* >(static_cast<const void* >(&p_l->m_value)))
  80     value_type(r_val);
  81
  82   cond.set_no_action();
  83   _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
  84   init_entry_metadata(p_l, s_metadata_type_indicator);
  85   return p_l;
  86 }
  87
  88 PB_DS_CLASS_T_DEC
  89 inline typename PB_DS_CLASS_C_DEC::entry_pointer
  90 PB_DS_CLASS_C_DEC::
  91 allocate_new_entry(const_reference    r_val, true_type)
  92 {
  93   entry_pointer p_l = s_entry_allocator.allocate(1);
  94   new (&p_l->m_value) value_type(r_val);
  95   _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
  96   init_entry_metadata(p_l, s_metadata_type_indicator);
  97   return p_l;
  98 }
  99
 100 PB_DS_CLASS_T_DEC
 101 template<typename Metadata>
 102 inline void
 103 PB_DS_CLASS_C_DEC::
 104 init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
 105 { new (&p_l->m_update_metadata) Metadata(s_update_policy()); }
 106
 107 PB_DS_CLASS_T_DEC
 108 inline void
 109 PB_DS_CLASS_C_DEC::
 110 init_entry_metadata(entry_pointer, type_to_type<null_lu_metadata>)
 111 { }
 112