release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/include/c++/4.5.3/ext/pb_ds/detail/binary_heap_/constructors_destructor_fn_imps.hpp

   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 constructors_destructor_fn_imps.hpp
  38  * Contains an implementation class for binary_heap_.
  39  */
  40
  41 PB_DS_CLASS_T_DEC
  42 typename PB_DS_CLASS_C_DEC::entry_allocator
  43 PB_DS_CLASS_C_DEC::s_entry_allocator;
  44
  45 PB_DS_CLASS_T_DEC
  46 typename PB_DS_CLASS_C_DEC::value_allocator
  47 PB_DS_CLASS_C_DEC::s_value_allocator;
  48
  49 PB_DS_CLASS_T_DEC
  50 typename PB_DS_CLASS_C_DEC::no_throw_copies_t
  51 PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;
  52
  53 PB_DS_CLASS_T_DEC
  54 template<typename It>
  55 void
  56 PB_DS_CLASS_C_DEC::
  57 copy_from_range(It first_it, It last_it)
  58 {
  59   while (first_it != last_it)
  60     {
  61       insert_value(*first_it, s_no_throw_copies_ind);
  62       ++first_it;
  63     }
  64
  65   std::make_heap(m_a_entries, m_a_entries + m_size, static_cast<entry_cmp& >(*this));
  66
  67   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  68 }
  69
  70 PB_DS_CLASS_T_DEC
  71 PB_DS_CLASS_C_DEC::
  72 binary_heap_() :
  73   m_size(0),
  74   m_actual_size(resize_policy::min_size),
  75   m_a_entries(s_entry_allocator.allocate(m_actual_size))
  76 {
  77   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  78 }
  79
  80 PB_DS_CLASS_T_DEC
  81 PB_DS_CLASS_C_DEC::
  82 binary_heap_(const Cmp_Fn& r_cmp_fn) :
  83   entry_cmp(r_cmp_fn),
  84   m_size(0),
  85   m_actual_size(resize_policy::min_size),
  86   m_a_entries(s_entry_allocator.allocate(m_actual_size))
  87 {
  88   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  89 }
  90
  91 PB_DS_CLASS_T_DEC
  92 PB_DS_CLASS_C_DEC::
  93 binary_heap_(const PB_DS_CLASS_C_DEC& other) :
  94   entry_cmp(other),
  95   resize_policy(other),
  96   m_size(0),
  97   m_actual_size(other.m_actual_size),
  98   m_a_entries(s_entry_allocator.allocate(m_actual_size))
  99 {
 100   _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
 101   _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
 102
 103   const_iterator first_it = other.begin();
 104   const_iterator last_it = other.end();
 105
 106   __try
 107     {
 108       while (first_it != last_it)
 109         {
 110           insert_value(*first_it, s_no_throw_copies_ind);
 111           ++first_it;
 112         }
 113     }
 114   __catch(...)
 115     {
 116       for (size_type i = 0; i < m_size; ++i)
 117         erase_at(m_a_entries, i, s_no_throw_copies_ind);
 118
 119       s_entry_allocator.deallocate(m_a_entries, m_actual_size);
 120       __throw_exception_again;
 121     }
 122   _GLIBCXX_DEBUG_ONLY(assert_valid();)
 123 }
 124
 125 PB_DS_CLASS_T_DEC
 126 void
 127 PB_DS_CLASS_C_DEC::
 128 swap(PB_DS_CLASS_C_DEC& other)
 129 {
 130   _GLIBCXX_DEBUG_ONLY(assert_valid();)
 131   _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
 132   _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
 133
 134   value_swap(other);
 135   std::swap((entry_cmp& )(*this), (entry_cmp& )other);
 136   _GLIBCXX_DEBUG_ONLY(assert_valid();)
 137   _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
 138 }
 139
 140 PB_DS_CLASS_T_DEC
 141 void
 142 PB_DS_CLASS_C_DEC::
 143 value_swap(PB_DS_CLASS_C_DEC& other)
 144 {
 145   std::swap(m_a_entries, other.m_a_entries);
 146   std::swap(m_size, other.m_size);
 147   std::swap(m_actual_size, other.m_actual_size);
 148   static_cast<resize_policy*>(this)->swap(other);
 149 }
 150
 151 PB_DS_CLASS_T_DEC
 152 PB_DS_CLASS_C_DEC::
 153 ~binary_heap_()
 154 {
 155   for (size_type i = 0; i < m_size; ++i)
 156     erase_at(m_a_entries, i, s_no_throw_copies_ind);
 157   s_entry_allocator.deallocate(m_a_entries, m_actual_size);
 158 }
 159