1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 4 // Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the terms 8 // of the GNU General Public License as published by the Free Software 9 // Foundation; either version 3, or (at your option) any later 10 // version. 11 12 // This library is distributed in the hope that it will be useful, but 13 // WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 // General Public License for more details. 16 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 27 28 // Permission to use, copy, modify, sell, and distribute this software 29 // is hereby granted without fee, provided that the above copyright 30 // notice appears in all copies, and that both that copyright notice 31 // and this permission notice appear in supporting documentation. None 32 // of the above authors, nor IBM Haifa Research Laboratories, make any 33 // representation about the suitability of this software for any 34 // purpose. It is provided "as is" without express or implied 35 // warranty. 36 37 /** 38 * @file constructor_destructor_fn_imps.hpp 39 * Contains implementations of cc_ht_map_'s constructors, destructor, 40 * and related functions. 41 */ 42 43 PB_DS_CLASS_T_DEC 44 typename PB_DS_CLASS_C_DEC::entry_allocator 45 PB_DS_CLASS_C_DEC::s_entry_allocator; 46 47 PB_DS_CLASS_T_DEC 48 typename PB_DS_CLASS_C_DEC::entry_pointer_allocator 49 PB_DS_CLASS_C_DEC::s_entry_pointer_allocator; 50 51 PB_DS_CLASS_T_DEC 52 template<typename It> 53 void 54 PB_DS_CLASS_C_DEC:: 55 copy_from_range(It first_it, It last_it) 56 { 57 while (first_it != last_it) 58 insert(*(first_it++)); 59 } 60 61 PB_DS_CLASS_T_DEC 62 PB_DS_CLASS_C_DEC:: 63 PB_DS_CLASS_NAME() : 64 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1)), 65 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 66 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 67 { 68 initialize(); 69 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 70 } 71 72 PB_DS_CLASS_T_DEC 73 PB_DS_CLASS_C_DEC:: 74 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn) : 75 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn), 76 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 77 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 78 { 79 initialize(); 80 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 81 } 82 83 PB_DS_CLASS_T_DEC 84 PB_DS_CLASS_C_DEC:: 85 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn) : 86 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 87 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn), 88 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 89 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 90 { 91 std::fill(m_entries, m_entries + m_num_e, (entry_pointer)0); 92 Resize_Policy::notify_cleared(); 93 ranged_hash_fn_base::notify_resized(m_num_e); 94 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 95 } 96 97 PB_DS_CLASS_T_DEC 98 PB_DS_CLASS_C_DEC:: 99 PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn) : 100 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 101 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 102 r_hash_fn, r_comb_hash_fn), 103 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 104 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 105 { 106 initialize(); 107 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 108 } 109 110 PB_DS_CLASS_T_DEC 111 PB_DS_CLASS_C_DEC:: 112 PB_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) : 113 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 114 Resize_Policy(r_resize_policy), 115 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 116 r_hash_fn, r_comb_hash_fn), 117 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 118 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 119 { 120 initialize(); 121 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 122 } 123 124 PB_DS_CLASS_T_DEC 125 PB_DS_CLASS_C_DEC:: 126 PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) : 127 #ifdef _GLIBCXX_DEBUG 128 debug_base(other), 129 #endif 130 PB_DS_HASH_EQ_FN_C_DEC(other), 131 resize_base(other), ranged_hash_fn_base(other), 132 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 133 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 134 { 135 initialize(); 136 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 137 __try 138 { 139 copy_from_range(other.begin(), other.end()); 140 } 141 __catch(...) 142 { 143 deallocate_all(); 144 __throw_exception_again; 145 } 146 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 147 } 148 149 PB_DS_CLASS_T_DEC 150 PB_DS_CLASS_C_DEC:: 151 ~PB_DS_CLASS_NAME() 152 { deallocate_all(); } 153 154 PB_DS_CLASS_T_DEC 155 void 156 PB_DS_CLASS_C_DEC:: 157 swap(PB_DS_CLASS_C_DEC& other) 158 { 159 _GLIBCXX_DEBUG_ONLY(assert_valid()); 160 _GLIBCXX_DEBUG_ONLY(other.assert_valid()); 161 162 std::swap(m_entries, other.m_entries); 163 std::swap(m_num_e, other.m_num_e); 164 std::swap(m_num_used_e, other.m_num_used_e); 165 ranged_hash_fn_base::swap(other); 166 hash_eq_fn_base::swap(other); 167 resize_base::swap(other); 168 169 _GLIBCXX_DEBUG_ONLY(debug_base::swap(other)); 170 _GLIBCXX_DEBUG_ONLY(assert_valid()); 171 _GLIBCXX_DEBUG_ONLY(other.assert_valid()); 172 } 173 174 PB_DS_CLASS_T_DEC 175 void 176 PB_DS_CLASS_C_DEC:: 177 deallocate_all() 178 { 179 clear(); 180 s_entry_pointer_allocator.deallocate(m_entries, m_num_e); 181 } 182 183 PB_DS_CLASS_T_DEC 184 void 185 PB_DS_CLASS_C_DEC:: 186 initialize() 187 { 188 std::fill(m_entries, m_entries + m_num_e, entry_pointer(0)); 189 Resize_Policy::notify_resized(m_num_e); 190 Resize_Policy::notify_cleared(); 191 ranged_hash_fn_base::notify_resized(m_num_e); 192 } 193
