mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/cc_hash_table_map_/entry_list_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 entry_list_fn_imps.hpp
  44  * Contains implementations of cc_ht_map_'s entry-list related functions.
  45  */
  46
  47 PB_DS_CLASS_T_DEC
  48 void
  49 PB_DS_CLASS_C_DEC::
  50 deallocate_links_in_list(entry_pointer p_e)
  51 {
  52   while (p_e != NULL)
  53     {
  54       entry_pointer p_dealloc_e = p_e;
  55       p_e = p_e->m_p_next;
  56       s_entry_allocator.deallocate(p_dealloc_e, 1);
  57     }
  58 }
  59
  60 PB_DS_CLASS_T_DEC
  61 inline typename PB_DS_CLASS_C_DEC::entry_pointer
  62 PB_DS_CLASS_C_DEC::
  63 get_entry(const_reference r_val, true_type)
  64 {
  65   // Following line might throw an exception.
  66   entry_pointer p_e = s_entry_allocator.allocate(1);
  67
  68   // Following lines* cannot* throw an exception.
  69   new (&p_e->m_value) value_type(r_val);
  70   return p_e;
  71 }
  72
  73 PB_DS_CLASS_T_DEC
  74 inline typename PB_DS_CLASS_C_DEC::entry_pointer
  75 PB_DS_CLASS_C_DEC::
  76 get_entry(const_reference r_val, false_type)
  77 {
  78   // Following line might throw an exception.
  79   entry_pointer p_e = s_entry_allocator.allocate(1);
  80   cond_dealtor_t cond(p_e);
  81
  82   // Following lines might throw an exception.
  83   new (&p_e->m_value) value_type(r_val);
  84   cond.set_no_action();
  85   return p_e;
  86 }
  87
  88 PB_DS_CLASS_T_DEC
  89 inline void
  90 PB_DS_CLASS_C_DEC::
  91 rels_entry(entry_pointer p_e)
  92 {
  93   // The following lines cannot throw exceptions (unless if key-data dtors do).
  94   p_e->m_value.~value_type();
  95   s_entry_allocator.deallocate(p_e, 1);
  96 }
  97