old-autovect-branch/libstdc++-v3/include/ext/pb_assoc/detail/gp_ht_map_/resize_store_hash_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 resize_store_hash_fn_imps.hpp
  42  * Contains implementations of gp_ht_map_'s resize related functions, when the
  43  *      hash value is stored.
  44  */
  45
  46 PB_ASSOC_CLASS_T_DEC
  47 inline void
  48 PB_ASSOC_CLASS_C_DEC::
  49 resize_imp_reassign(entry_pointer p_e, entry_array a_entries_resized, int_to_type<true>)
  50 {
  51   const_key_reference r_key = PB_ASSOC_V2F(p_e->m_value);
  52
  53   size_type hash =
  54     my_ranged_probe_fn_base::operator()(r_key, p_e->m_hash);
  55
  56   size_type i;
  57
  58   for (i = 0; i < m_num_e; ++i)
  59     {
  60       const size_type pos =
  61         my_ranged_probe_fn_base::operator()(r_key, hash, i);
  62
  63       entry* const p_new_e = a_entries_resized + pos;
  64
  65       switch(p_new_e->m_stat)
  66         {
  67         case EMPTY_ENTRY_STATUS:
  68 #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
  69           new (&p_new_e->m_value) mapped_value_type(p_e->m_value);
  70 #endif // #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
  71
  72 #ifdef PB_ASSOC_DATA_FALSE_INDICATOR
  73           new (&p_new_e->m_value) Key(p_e->m_value);
  74 #endif // #ifdef PB_ASSOC_DATA_FALSE_INDICATO
  75
  76           p_new_e->m_hash = hash;
  77
  78           p_new_e->m_stat = VALID_ENTRY_STATUS;
  79
  80           return;
  81         case ERASED_ENTRY_STATUS:
  82           PB_ASSOC_DBG_ASSERT(0);
  83           break;
  84         case VALID_ENTRY_STATUS:
  85           break;
  86         default:
  87           PB_ASSOC_DBG_ASSERT(0);
  88         };
  89     }
  90
  91   throw cannot_insert();
  92 }
  93