libstdc++
constructor_destructor_fn_imps.hpp
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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2005-2015 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_/constructor_destructor_fn_imps.hpp
00038  * Contains implementations of cc_ht_map_'s constructors, destructor,
00039  * and related functions.
00040  */
00041 
00042 PB_DS_CLASS_T_DEC
00043 typename PB_DS_CLASS_C_DEC::entry_allocator
00044 PB_DS_CLASS_C_DEC::s_entry_allocator;
00045 
00046 PB_DS_CLASS_T_DEC
00047 typename PB_DS_CLASS_C_DEC::entry_pointer_allocator
00048 PB_DS_CLASS_C_DEC::s_entry_pointer_allocator;
00049 
00050 PB_DS_CLASS_T_DEC
00051 template<typename It>
00052 void
00053 PB_DS_CLASS_C_DEC::
00054 copy_from_range(It first_it, It last_it)
00055 {
00056   while (first_it != last_it)
00057     insert(*(first_it++));
00058 }
00059 
00060 PB_DS_CLASS_T_DEC
00061 PB_DS_CLASS_C_DEC::
00062 PB_DS_CC_HASH_NAME() :
00063   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1)),
00064   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
00065   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
00066 {
00067   initialize();
00068   PB_DS_ASSERT_VALID((*this))
00069 }
00070 
00071 PB_DS_CLASS_T_DEC
00072 PB_DS_CLASS_C_DEC::
00073 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn) :
00074   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn),
00075   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
00076   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
00077 {
00078   initialize();
00079   PB_DS_ASSERT_VALID((*this))
00080 }
00081 
00082 PB_DS_CLASS_T_DEC
00083 PB_DS_CLASS_C_DEC::
00084 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn) :
00085   PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
00086   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn),
00087   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
00088   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
00089 {
00090   std::fill(m_entries, m_entries + m_num_e, (entry_pointer)0);
00091   Resize_Policy::notify_cleared();
00092   ranged_hash_fn_base::notify_resized(m_num_e);
00093   PB_DS_ASSERT_VALID((*this))
00094 }
00095 
00096 PB_DS_CLASS_T_DEC
00097 PB_DS_CLASS_C_DEC::
00098 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, 
00099                    const Comb_Hash_Fn& r_comb_hash_fn) :
00100   PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
00101   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1),
00102                       r_hash_fn, r_comb_hash_fn),
00103   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
00104   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
00105 {
00106   initialize();
00107   PB_DS_ASSERT_VALID((*this))
00108 }
00109 
00110 PB_DS_CLASS_T_DEC
00111 PB_DS_CLASS_C_DEC::
00112 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, 
00113                    const Comb_Hash_Fn& r_comb_hash_fn, 
00114                    const Resize_Policy& r_resize_policy) :
00115   PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
00116   Resize_Policy(r_resize_policy),
00117   ranged_hash_fn_base(resize_base::get_nearest_larger_size(1),
00118                       r_hash_fn, r_comb_hash_fn),
00119   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
00120   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
00121 {
00122   initialize();
00123   PB_DS_ASSERT_VALID((*this))
00124 }
00125 
00126 PB_DS_CLASS_T_DEC
00127 PB_DS_CLASS_C_DEC::
00128 PB_DS_CC_HASH_NAME(const PB_DS_CLASS_C_DEC& other) :
00129   PB_DS_HASH_EQ_FN_C_DEC(other),
00130   resize_base(other), ranged_hash_fn_base(other),
00131   m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
00132   m_entries(s_entry_pointer_allocator.allocate(m_num_e))
00133 {
00134   initialize();
00135   PB_DS_ASSERT_VALID((*this))
00136     __try
00137       {
00138         copy_from_range(other.begin(), other.end());
00139       }
00140     __catch(...)
00141       {
00142         deallocate_all();
00143         __throw_exception_again;
00144       }
00145   PB_DS_ASSERT_VALID((*this))
00146 }
00147 
00148 PB_DS_CLASS_T_DEC
00149 PB_DS_CLASS_C_DEC::
00150 ~PB_DS_CC_HASH_NAME()
00151 { deallocate_all(); }
00152 
00153 PB_DS_CLASS_T_DEC
00154 void
00155 PB_DS_CLASS_C_DEC::
00156 swap(PB_DS_CLASS_C_DEC& other)
00157 {
00158   PB_DS_ASSERT_VALID((*this))
00159   PB_DS_ASSERT_VALID(other)
00160 
00161   std::swap(m_entries, other.m_entries);
00162   std::swap(m_num_e, other.m_num_e);
00163   std::swap(m_num_used_e, other.m_num_used_e);
00164   ranged_hash_fn_base::swap(other);
00165   hash_eq_fn_base::swap(other);
00166   resize_base::swap(other);
00167 
00168   _GLIBCXX_DEBUG_ONLY(debug_base::swap(other));
00169   PB_DS_ASSERT_VALID((*this))
00170   PB_DS_ASSERT_VALID(other)
00171 }
00172 
00173 PB_DS_CLASS_T_DEC
00174 void
00175 PB_DS_CLASS_C_DEC::
00176 deallocate_all()
00177 {
00178   clear();
00179   s_entry_pointer_allocator.deallocate(m_entries, m_num_e);
00180 }
00181 
00182 PB_DS_CLASS_T_DEC
00183 void
00184 PB_DS_CLASS_C_DEC::
00185 initialize()
00186 {
00187   std::fill(m_entries, m_entries + m_num_e, entry_pointer(0));
00188   Resize_Policy::notify_resized(m_num_e);
00189   Resize_Policy::notify_cleared();
00190   ranged_hash_fn_base::notify_resized(m_num_e);
00191 }