1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2007, 2008, 2009 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 constructor_destructor_fn_imps.hpp 38 * Contains implementations of cc_ht_map_'s constructors, destructor, 39 * and related functions. 40 */ 41 42PB_DS_CLASS_T_DEC 43typename PB_DS_CLASS_C_DEC::entry_allocator 44PB_DS_CLASS_C_DEC::s_entry_allocator; 45 46PB_DS_CLASS_T_DEC 47typename PB_DS_CLASS_C_DEC::entry_pointer_allocator 48PB_DS_CLASS_C_DEC::s_entry_pointer_allocator; 49 50PB_DS_CLASS_T_DEC 51template<typename It> 52void 53PB_DS_CLASS_C_DEC:: 54copy_from_range(It first_it, It last_it) 55{ 56 while (first_it != last_it) 57 insert(*(first_it++)); 58} 59 60PB_DS_CLASS_T_DEC 61PB_DS_CLASS_C_DEC:: 62PB_DS_CLASS_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 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 69} 70 71PB_DS_CLASS_T_DEC 72PB_DS_CLASS_C_DEC:: 73PB_DS_CLASS_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 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 80} 81 82PB_DS_CLASS_T_DEC 83PB_DS_CLASS_C_DEC:: 84PB_DS_CLASS_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)NULL); 91 Resize_Policy::notify_cleared(); 92 ranged_hash_fn_base::notify_resized(m_num_e); 93 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 94} 95 96PB_DS_CLASS_T_DEC 97PB_DS_CLASS_C_DEC:: 98PB_DS_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn) : 99 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 100 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 101 r_hash_fn, r_comb_hash_fn), 102 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 103 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 104{ 105 initialize(); 106 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 107} 108 109PB_DS_CLASS_T_DEC 110PB_DS_CLASS_C_DEC:: 111PB_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) : 112 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn), 113 Resize_Policy(r_resize_policy), 114 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), 115 r_hash_fn, r_comb_hash_fn), 116 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0), 117 m_entries(s_entry_pointer_allocator.allocate(m_num_e)) 118{ 119 initialize(); 120 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 121} 122 123PB_DS_CLASS_T_DEC 124PB_DS_CLASS_C_DEC:: 125PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) : 126#ifdef _GLIBCXX_DEBUG 127 debug_base(other), 128#endif 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 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 136 __try 137 { 138 copy_from_range(other.begin(), other.end()); 139 } 140 __catch(...) 141 { 142 deallocate_all(); 143 __throw_exception_again; 144 } 145 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 146} 147 148PB_DS_CLASS_T_DEC 149PB_DS_CLASS_C_DEC:: 150~PB_DS_CLASS_NAME() 151{ deallocate_all(); } 152 153PB_DS_CLASS_T_DEC 154void 155PB_DS_CLASS_C_DEC:: 156swap(PB_DS_CLASS_C_DEC& other) 157{ 158 _GLIBCXX_DEBUG_ONLY(assert_valid()); 159 _GLIBCXX_DEBUG_ONLY(other.assert_valid()); 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 _GLIBCXX_DEBUG_ONLY(assert_valid()); 170 _GLIBCXX_DEBUG_ONLY(other.assert_valid()); 171} 172 173PB_DS_CLASS_T_DEC 174void 175PB_DS_CLASS_C_DEC:: 176deallocate_all() 177{ 178 clear(); 179 s_entry_pointer_allocator.deallocate(m_entries, m_num_e); 180} 181 182PB_DS_CLASS_T_DEC 183void 184PB_DS_CLASS_C_DEC:: 185initialize() 186{ 187 std::fill(m_entries, m_entries + m_num_e, entry_pointer(NULL)); 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