libstdc++
list_update_map_/insert_fn_imps.hpp
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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2005, 2006, 2009, 2010, 2011 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 list_update_map_/insert_fn_imps.hpp
00038  * Contains implementations of lu_map_.
00039  */
00040 
00041 PB_DS_CLASS_T_DEC
00042 inline std::pair<
00043   typename PB_DS_CLASS_C_DEC::point_iterator,
00044   bool>
00045 PB_DS_CLASS_C_DEC::
00046 insert(const_reference r_val)
00047 {
00048   PB_DS_ASSERT_VALID((*this))
00049   entry_pointer p_l = find_imp(PB_DS_V2F(r_val));
00050 
00051   if (p_l != 0)
00052     {
00053       PB_DS_CHECK_KEY_EXISTS(PB_DS_V2F(r_val))
00054       return std::make_pair(point_iterator(&p_l->m_value), false);
00055     }
00056 
00057   PB_DS_CHECK_KEY_DOES_NOT_EXIST(PB_DS_V2F(r_val))
00058 
00059   p_l = allocate_new_entry(r_val, traits_base::m_no_throw_copies_indicator);
00060   p_l->m_p_next = m_p_l;
00061   m_p_l = p_l;
00062   PB_DS_ASSERT_VALID((*this))
00063   return std::make_pair(point_iterator(&p_l->m_value), true);
00064 }
00065 
00066 PB_DS_CLASS_T_DEC
00067 inline typename PB_DS_CLASS_C_DEC::entry_pointer
00068 PB_DS_CLASS_C_DEC::
00069 allocate_new_entry(const_reference r_val, false_type)
00070 {
00071   entry_pointer p_l = s_entry_allocator.allocate(1);
00072   cond_dealtor_t cond(p_l);
00073   new (const_cast<void* >(static_cast<const void* >(&p_l->m_value)))
00074     value_type(r_val);
00075 
00076   cond.set_no_action();
00077   _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
00078   init_entry_metadata(p_l, s_metadata_type_indicator);
00079   return p_l;
00080 }
00081 
00082 PB_DS_CLASS_T_DEC
00083 inline typename PB_DS_CLASS_C_DEC::entry_pointer
00084 PB_DS_CLASS_C_DEC::
00085 allocate_new_entry(const_reference    r_val, true_type)
00086 {
00087   entry_pointer p_l = s_entry_allocator.allocate(1);
00088   new (&p_l->m_value) value_type(r_val);
00089   _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
00090   init_entry_metadata(p_l, s_metadata_type_indicator);
00091   return p_l;
00092 }
00093 
00094 PB_DS_CLASS_T_DEC
00095 template<typename Metadata>
00096 inline void
00097 PB_DS_CLASS_C_DEC::
00098 init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
00099 { new (&p_l->m_update_metadata) Metadata(s_update_policy()); }
00100 
00101 PB_DS_CLASS_T_DEC
00102 inline void
00103 PB_DS_CLASS_C_DEC::
00104 init_entry_metadata(entry_pointer, type_to_type<null_type>)
00105 { }
00106