libstdc++
entry_list_fn_imps.hpp
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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the terms
00007 // of the GNU General Public License as published by the Free Software
00008 // Foundation; either version 3, or (at your option) any later
00009 // version.
00010 
00011 // This library is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
00026 
00027 // Permission to use, copy, modify, sell, and distribute this software
00028 // is hereby granted without fee, provided that the above copyright
00029 // notice appears in all copies, and that both that copyright notice
00030 // and this permission notice appear in supporting documentation. None
00031 // of the above authors, nor IBM Haifa Research Laboratories, make any
00032 // representation about the suitability of this software for any
00033 // purpose. It is provided "as is" without express or implied
00034 // warranty.
00035 
00036 /**
00037  * @file cc_hash_table_map_/entry_list_fn_imps.hpp
00038  * Contains implementations of cc_ht_map_'s entry-list related functions.
00039  */
00040 
00041 PB_DS_CLASS_T_DEC
00042 void
00043 PB_DS_CLASS_C_DEC::
00044 deallocate_links_in_list(entry_pointer p_e)
00045 {
00046   while (p_e != 0)
00047     {
00048       entry_pointer p_dealloc_e = p_e;
00049       p_e = p_e->m_p_next;
00050       s_entry_allocator.deallocate(p_dealloc_e, 1);
00051     }
00052 }
00053 
00054 PB_DS_CLASS_T_DEC
00055 inline typename PB_DS_CLASS_C_DEC::entry_pointer
00056 PB_DS_CLASS_C_DEC::
00057 get_entry(const_reference r_val, true_type)
00058 {
00059   // Following line might throw an exception.
00060   entry_pointer p_e = s_entry_allocator.allocate(1);
00061 
00062   // Following lines* cannot* throw an exception.
00063   new (&p_e->m_value) value_type(r_val);
00064   return p_e;
00065 }
00066 
00067 PB_DS_CLASS_T_DEC
00068 inline typename PB_DS_CLASS_C_DEC::entry_pointer
00069 PB_DS_CLASS_C_DEC::
00070 get_entry(const_reference r_val, false_type)
00071 {
00072   // Following line might throw an exception.
00073   entry_pointer p_e = s_entry_allocator.allocate(1);
00074   cond_dealtor_t cond(p_e);
00075 
00076   // Following lines might throw an exception.
00077   new (&p_e->m_value) value_type(r_val);
00078   cond.set_no_action();
00079   return p_e;
00080 }
00081 
00082 PB_DS_CLASS_T_DEC
00083 inline void
00084 PB_DS_CLASS_C_DEC::
00085 rels_entry(entry_pointer p_e)
00086 {
00087   // The following lines cannot throw exceptions (unless if key-data dtors do).
00088   p_e->m_value.~value_type();
00089   s_entry_allocator.deallocate(p_e, 1);
00090 }
00091