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 constructor_destructor_fn_imps.hpp 44 * Contains implementations of cc_ht_map_'s constructors, destructor, 45 * and related functions. 46 */ 47 48PB_DS_CLASS_T_DEC 49typename PB_DS_CLASS_C_DEC::entry_allocator 50PB_DS_CLASS_C_DEC::s_entry_allocator; 51 52PB_DS_CLASS_T_DEC 53typename PB_DS_CLASS_C_DEC::entry_pointer_allocator 54PB_DS_CLASS_C_DEC::s_entry_pointer_allocator; 55 56PB_DS_CLASS_T_DEC 57template<typename It> 58void 59PB_DS_CLASS_C_DEC:: 60copy_from_range(It first_it, It last_it) 61{ 62 while (first_it != last_it) 63 insert(*(first_it++)); 64} 65 66PB_DS_CLASS_T_DEC 67PB_DS_CLASS_C_DEC:: 68PB_DS_CLASS_NAME() : 69 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1)), 70 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 71 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 72{ 73 initialize(); 74 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 75} 76 77PB_DS_CLASS_T_DEC 78PB_DS_CLASS_C_DEC:: 79PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn) : 80 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn), 81 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 82 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 83{ 84 initialize(); 85 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 86} 87 88PB_DS_CLASS_T_DEC 89PB_DS_CLASS_C_DEC:: 90PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn) : 91 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 92 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn), 93 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 94 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 95{ 96 std::fill(m_entries, m_entries + m_num_e, (entry_pointer)NULL); 97 Resize_Policy::notify_cleared(); 98 ranged_hash_fn_base::notify_resized(m_num_e); 99 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 100} 101 102PB_DS_CLASS_T_DEC 103PB_DS_CLASS_C_DEC:: 104PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn) : 105 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 106 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 107 r_hash_fn, r_comb_hash_fn), 108 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 109 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 110{ 111 initialize(); 112 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 113} 114 115PB_DS_CLASS_T_DEC 116PB_DS_CLASS_C_DEC:: 117PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn, const Resize_Policy& r_resize_policy) : 118 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 119 Resize_Policy(r_resize_policy), 120 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 121 r_hash_fn, r_comb_hash_fn), 122 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 123 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 124{ 125 initialize(); 126 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 127} 128 129PB_DS_CLASS_T_DEC 130PB_DS_CLASS_C_DEC:: 131PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) : 132#ifdef _GLIBCXX_DEBUG 133 map_debug_base(other), 134#endif 135 PB_DS_HASH_EQ_FN_C_DEC(other), 136 resize_base(other), ranged_hash_fn_base(other), 137 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 138 m_entries(m_entries = s_entry_pointer_allocator.allocate(m_num_e)) 139{ 140 initialize(); 141 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 142 try 143 { 144 copy_from_range(other.begin(), other.end()); 145 } 146 catch(...) 147 { 148 deallocate_all(); 149 __throw_exception_again; 150 } 151 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 152} 153 154PB_DS_CLASS_T_DEC 155PB_DS_CLASS_C_DEC:: 156~PB_DS_CLASS_NAME() 157{ deallocate_all(); } 158 159PB_DS_CLASS_T_DEC 160void 161PB_DS_CLASS_C_DEC:: 162swap(PB_DS_CLASS_C_DEC& other) 163{ 164 _GLIBCXX_DEBUG_ONLY(assert_valid()); 165 _GLIBCXX_DEBUG_ONLY(other.assert_valid()); 166 167 std::swap(m_entries, other.m_entries); 168 std::swap(m_num_e, other.m_num_e); 169 std::swap(m_num_used_e, other.m_num_used_e); 170 ranged_hash_fn_base::swap(other); 171 hash_eq_fn_base::swap(other); 172 resize_base::swap(other); 173 174 _GLIBCXX_DEBUG_ONLY(map_debug_base::swap(other)); 175 _GLIBCXX_DEBUG_ONLY(assert_valid()); 176 _GLIBCXX_DEBUG_ONLY(other.assert_valid()); 177} 178 179PB_DS_CLASS_T_DEC 180void 181PB_DS_CLASS_C_DEC:: 182deallocate_all() 183{ 184 clear(); 185 s_entry_pointer_allocator.deallocate(m_entries, m_num_e); 186} 187 188PB_DS_CLASS_T_DEC 189void 190PB_DS_CLASS_C_DEC:: 191initialize() 192{ 193 std::fill(m_entries, m_entries + m_num_e, entry_pointer(NULL)); 194 Resize_Policy::notify_resized(m_num_e); 195 Resize_Policy::notify_cleared(); 196 ranged_hash_fn_base::notify_resized(m_num_e); 197} 198