libstdc++
binary_heap_/constructors_destructor_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2020 Free Software Foundation, Inc.
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16 // Under Section 7 of GPL version 3, you are granted additional
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18 // 3.1, as published by the Free Software Foundation.
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25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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35 
36 /**
37  * @file binary_heap_/constructors_destructor_fn_imps.hpp
38  * Contains an implementation class for binary_heap_.
39  */
40 
41 #ifdef PB_DS_CLASS_C_DEC
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::value_allocator
49 PB_DS_CLASS_C_DEC::s_value_allocator;
50 
51 PB_DS_CLASS_T_DEC
52 typename PB_DS_CLASS_C_DEC::no_throw_copies_t
53 PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;
54 
55 PB_DS_CLASS_T_DEC
56 template<typename It>
57 void
58 PB_DS_CLASS_C_DEC::
59 copy_from_range(It first_it, It last_it)
60 {
61  while (first_it != last_it)
62  {
63  insert_value(*first_it, s_no_throw_copies_ind);
64  ++first_it;
65  }
66  make_heap();
67  PB_DS_ASSERT_VALID((*this))
68 }
69 
70 PB_DS_CLASS_T_DEC
71 PB_DS_CLASS_C_DEC::
72 binary_heap()
73 : m_size(0), m_actual_size(resize_policy::min_size),
74  m_a_entries(s_entry_allocator.allocate(m_actual_size))
75 { PB_DS_ASSERT_VALID((*this)) }
76 
77 PB_DS_CLASS_T_DEC
78 PB_DS_CLASS_C_DEC::
79 binary_heap(const Cmp_Fn& r_cmp_fn)
80 : entry_cmp(r_cmp_fn), m_size(0), m_actual_size(resize_policy::min_size),
81  m_a_entries(s_entry_allocator.allocate(m_actual_size))
82 { PB_DS_ASSERT_VALID((*this)) }
83 
84 PB_DS_CLASS_T_DEC
85 PB_DS_CLASS_C_DEC::
86 binary_heap(const PB_DS_CLASS_C_DEC& other)
87 : entry_cmp(other), resize_policy(other), m_size(0),
88  m_actual_size(other.m_actual_size),
89  m_a_entries(s_entry_allocator.allocate(m_actual_size))
90 {
91  PB_DS_ASSERT_VALID(other)
92  _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
93 
94  __try
95  {
96  copy_from_range(other.begin(), other.end());
97  }
98  __catch(...)
99  {
100  for (size_type i = 0; i < m_size; ++i)
101  erase_at(m_a_entries, i, s_no_throw_copies_ind);
102 
103  s_entry_allocator.deallocate(m_a_entries, m_actual_size);
104  __throw_exception_again;
105  }
106  PB_DS_ASSERT_VALID((*this))
107 }
108 
109 PB_DS_CLASS_T_DEC
110 void
111 PB_DS_CLASS_C_DEC::
112 swap(PB_DS_CLASS_C_DEC& other)
113 {
114  PB_DS_ASSERT_VALID((*this))
115  PB_DS_ASSERT_VALID(other)
116  _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
117  value_swap(other);
118  std::swap((entry_cmp&)(*this), (entry_cmp&)other);
119  PB_DS_ASSERT_VALID((*this))
120  PB_DS_ASSERT_VALID(other)
121 }
122 
123 PB_DS_CLASS_T_DEC
124 void
125 PB_DS_CLASS_C_DEC::
126 value_swap(PB_DS_CLASS_C_DEC& other)
127 {
128  std::swap(m_a_entries, other.m_a_entries);
129  std::swap(m_size, other.m_size);
130  std::swap(m_actual_size, other.m_actual_size);
131  static_cast<resize_policy*>(this)->swap(other);
132 }
133 
134 PB_DS_CLASS_T_DEC
135 PB_DS_CLASS_C_DEC::
136 ~binary_heap()
137 {
138  for (size_type i = 0; i < m_size; ++i)
139  erase_at(m_a_entries, i, s_no_throw_copies_ind);
140  s_entry_allocator.deallocate(m_a_entries, m_actual_size);
141 }
142 #endif
void swap(basic_regex< _Ch_type, _Rx_traits > &__lhs, basic_regex< _Ch_type, _Rx_traits > &__rhs)
Swaps the contents of two regular expression objects.
Definition: regex.h:849
ISO C++ entities toplevel namespace is std.