1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2018 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27 // Permission to use, copy, modify, sell, and distribute this software 28 // is hereby granted without fee, provided that the above copyright 29 // notice appears in all copies, and that both that copyright notice 30 // and this permission notice appear in supporting documentation. None 31 // of the above authors, nor IBM Haifa Research Laboratories, make any 32 // representation about the suitability of this software for any 33 // purpose. It is provided "as is" without express or implied 34 // warranty. 35 36 /** 37 * @file cc_hash_table_map_/constructor_destructor_fn_imps.hpp 38 * Contains implementations of cc_ht_map_'s constructors, destructor, 39 * and related functions. 40 */ 41 42 PB_DS_CLASS_T_DEC 43 typename PB_DS_CLASS_C_DEC::entry_allocator 44 PB_DS_CLASS_C_DEC::s_entry_allocator; 45 46 PB_DS_CLASS_T_DEC 47 typename PB_DS_CLASS_C_DEC::entry_pointer_allocator 48 PB_DS_CLASS_C_DEC::s_entry_pointer_allocator; 49 50 PB_DS_CLASS_T_DEC 51 template<typename It> 52 void 53 PB_DS_CLASS_C_DEC:: 54 copy_from_range(It first_it, It last_it) 55 { 56 while (first_it != last_it) 57 insert(*(first_it++)); 58 } 59 60 PB_DS_CLASS_T_DEC 61 PB_DS_CLASS_C_DEC:: 62 PB_DS_CC_HASH_NAME() : 63 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1)), 64 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 65 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 66 { 67 initialize(); 68 PB_DS_ASSERT_VALID((*this)) 69 } 70 71 PB_DS_CLASS_T_DEC 72 PB_DS_CLASS_C_DEC:: 73 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn) : 74 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn), 75 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 76 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 77 { 78 initialize(); 79 PB_DS_ASSERT_VALID((*this)) 80 } 81 82 PB_DS_CLASS_T_DEC 83 PB_DS_CLASS_C_DEC:: 84 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn) : 85 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 86 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn), 87 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 88 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 89 { 90 std::fill(m_entries, m_entries + m_num_e, (entry_pointer)0); 91 Resize_Policy::notify_cleared(); 92 ranged_hash_fn_base::notify_resized(m_num_e); 93 PB_DS_ASSERT_VALID((*this)) 94 } 95 96 PB_DS_CLASS_T_DEC 97 PB_DS_CLASS_C_DEC:: 98 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, 99 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 PB_DS_ASSERT_VALID((*this)) 108 } 109 110 PB_DS_CLASS_T_DEC 111 PB_DS_CLASS_C_DEC:: 112 PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, 113 const Comb_Hash_Fn& r_comb_hash_fn, 114 const Resize_Policy& r_resize_policy) : 115 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 116 Resize_Policy(r_resize_policy), 117 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 118 r_hash_fn, r_comb_hash_fn), 119 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 120 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 121 { 122 initialize(); 123 PB_DS_ASSERT_VALID((*this)) 124 } 125 126 PB_DS_CLASS_T_DEC 127 PB_DS_CLASS_C_DEC:: 128 PB_DS_CC_HASH_NAME(const PB_DS_CLASS_C_DEC& other) : 129 PB_DS_HASH_EQ_FN_C_DEC(other), 130 resize_base(other), ranged_hash_fn_base(other), 131 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 132 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 133 { 134 initialize(); 135 PB_DS_ASSERT_VALID((*this)) 136 __try 137 { 138 copy_from_range(other.begin(), other.end()); 139 } 140 __catch(...) 141 { 142 deallocate_all(); 143 __throw_exception_again; 144 } 145 PB_DS_ASSERT_VALID((*this)) 146 } 147 148 PB_DS_CLASS_T_DEC 149 PB_DS_CLASS_C_DEC:: 150 ~PB_DS_CC_HASH_NAME() 151 { deallocate_all(); } 152 153 PB_DS_CLASS_T_DEC 154 void 155 PB_DS_CLASS_C_DEC:: 156 swap(PB_DS_CLASS_C_DEC& other) 157 { 158 PB_DS_ASSERT_VALID((*this)) 159 PB_DS_ASSERT_VALID(other) 160 161 std::swap(m_entries, other.m_entries); 162 std::swap(m_num_e, other.m_num_e); 163 std::swap(m_num_used_e, other.m_num_used_e); 164 ranged_hash_fn_base::swap(other); 165 hash_eq_fn_base::swap(other); 166 resize_base::swap(other); 167 168 _GLIBCXX_DEBUG_ONLY(debug_base::swap(other)); 169 PB_DS_ASSERT_VALID((*this)) 170 PB_DS_ASSERT_VALID(other) 171 } 172 173 PB_DS_CLASS_T_DEC 174 void 175 PB_DS_CLASS_C_DEC:: 176 deallocate_all() 177 { 178 clear(); 179 s_entry_pointer_allocator.deallocate(m_entries, m_num_e); 180 } 181 182 PB_DS_CLASS_T_DEC 183 void 184 PB_DS_CLASS_C_DEC:: 185 initialize() 186 { 187 std::fill(m_entries, m_entries + m_num_e, entry_pointer(0)); 188 Resize_Policy::notify_resized(m_num_e); 189 Resize_Policy::notify_cleared(); 190 ranged_hash_fn_base::notify_resized(m_num_e); 191 } 192