• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/toolchains/hndtools-armeabi-2011.09/arm-none-eabi/include/c++/4.6.1/ext/pb_ds/detail/left_child_next_sibling_heap_/
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 constructors_destructor_fn_imps.hpp
39 * Contains an implementation class for left_child_next_sibling_heap_.
40 */
41
42PB_DS_CLASS_T_DEC
43typename PB_DS_CLASS_C_DEC::node_allocator
44PB_DS_CLASS_C_DEC::s_node_allocator;
45
46PB_DS_CLASS_T_DEC
47typename PB_DS_CLASS_C_DEC::no_throw_copies_t
48PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;
49
50PB_DS_CLASS_T_DEC
51PB_DS_CLASS_C_DEC::
52left_child_next_sibling_heap_() :
53  m_p_root(0),
54  m_size(0)
55{
56  _GLIBCXX_DEBUG_ONLY(assert_valid();)
57}
58
59PB_DS_CLASS_T_DEC
60PB_DS_CLASS_C_DEC::
61left_child_next_sibling_heap_(const Cmp_Fn& r_cmp_fn) :
62  Cmp_Fn(r_cmp_fn),
63  m_p_root(0),
64  m_size(0)
65{
66  _GLIBCXX_DEBUG_ONLY(assert_valid();)
67}
68
69PB_DS_CLASS_T_DEC
70PB_DS_CLASS_C_DEC::
71left_child_next_sibling_heap_(const PB_DS_CLASS_C_DEC& other)
72: Cmp_Fn(other), m_p_root(0), m_size(0)
73{
74  m_size = other.m_size;
75  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
76  m_p_root = recursive_copy_node(other.m_p_root);
77  m_size = other.m_size;
78  _GLIBCXX_DEBUG_ONLY(assert_valid();)
79}
80
81PB_DS_CLASS_T_DEC
82void
83PB_DS_CLASS_C_DEC::
84swap(PB_DS_CLASS_C_DEC& other)
85{
86  _GLIBCXX_DEBUG_ONLY(assert_valid();)
87  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
88  value_swap(other);
89  std::swap((Cmp_Fn& )(*this), (Cmp_Fn& )other);
90  _GLIBCXX_DEBUG_ONLY(assert_valid();)
91  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
92}
93
94PB_DS_CLASS_T_DEC
95void
96PB_DS_CLASS_C_DEC::
97value_swap(PB_DS_CLASS_C_DEC& other)
98{
99  std::swap(m_p_root, other.m_p_root);
100  std::swap(m_size, other.m_size);
101}
102
103PB_DS_CLASS_T_DEC
104PB_DS_CLASS_C_DEC::
105~left_child_next_sibling_heap_()
106{
107  clear();
108}
109
110PB_DS_CLASS_T_DEC
111typename PB_DS_CLASS_C_DEC::node_pointer
112PB_DS_CLASS_C_DEC::
113recursive_copy_node(const_node_pointer p_nd)
114{
115  if (p_nd == 0)
116    return (0);
117
118  node_pointer p_ret = s_node_allocator.allocate(1);
119
120  __try
121    {
122      new (p_ret) node(*p_nd);
123    }
124  __catch(...)
125    {
126      s_node_allocator.deallocate(p_ret, 1);
127      __throw_exception_again;
128    }
129
130  p_ret->m_p_l_child = p_ret->m_p_next_sibling =
131    p_ret->m_p_prev_or_parent = 0;
132
133  __try
134    {
135      p_ret->m_p_l_child = recursive_copy_node(p_nd->m_p_l_child);
136      p_ret->m_p_next_sibling = recursive_copy_node(p_nd->m_p_next_sibling);
137    }
138  __catch(...)
139    {
140      clear_imp(p_ret);
141      __throw_exception_again;
142    }
143
144  if (p_ret->m_p_l_child != 0)
145    p_ret->m_p_l_child->m_p_prev_or_parent = p_ret;
146
147  if (p_ret->m_p_next_sibling != 0)
148    p_ret->m_p_next_sibling->m_p_prev_or_parent =
149      p_nd->m_p_next_sibling->m_p_prev_or_parent == p_nd ? p_ret : 0;
150
151  return p_ret;
152}
153
154