libstdc++
profile/forward_list
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1 // <forward_list> -*- C++ -*-
2 
3 // Copyright (C) 2010, 2011 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
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU 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 /** @file profile/forward_list
26  * This file is a GNU debug extension to the Standard C++ Library.
27  */
28 
29 #ifndef _GLIBCXX_PROFILE_FORWARD_LIST
30 #define _GLIBCXX_PROFILE_FORWARD_LIST 1
31 
32 #ifndef __GXX_EXPERIMENTAL_CXX0X__
33 # include <bits/c++0x_warning.h>
34 #else
35 
36 #include <forward_list>
37 
38 namespace std _GLIBCXX_VISIBILITY(default)
39 {
40 namespace __profile
41 {
42  /// Class std::forward_list wrapper with performance instrumentation.
43  template<typename _Tp, typename _Alloc = std::allocator<_Tp> >
45  : public _GLIBCXX_STD_C::forward_list<_Tp, _Alloc>
46  {
47  typedef _GLIBCXX_STD_C::forward_list<_Tp, _Alloc> _Base;
48 
49  public:
50  typedef typename _Base::size_type size_type;
51 
52  public:
53  // 23.2.3.1 construct/copy/destroy:
54  explicit
55  forward_list(const _Alloc& __al = _Alloc())
56  : _Base(__al) { }
57 
58  forward_list(const forward_list& __list, const _Alloc& __al)
59  : _Base(__list, __al)
60  { }
61 
62  forward_list(forward_list&& __list, const _Alloc& __al)
63  : _Base(std::move(__list), __al)
64  { }
65 
66  explicit
67  forward_list(size_type __n)
68  : _Base(__n)
69  { }
70 
71  forward_list(size_type __n, const _Tp& __value,
72  const _Alloc& __al = _Alloc())
73  : _Base(__n, __value, __al)
74  { }
75 
76  template<typename _InputIterator>
77  forward_list(_InputIterator __first, _InputIterator __last,
78  const _Alloc& __al = _Alloc())
79  : _Base(__first, __last, __al)
80  { }
81 
82  forward_list(const forward_list& __list)
83  : _Base(__list)
84  { }
85 
86  forward_list(forward_list&& __list) noexcept
87  : _Base(std::move(__list)) { }
88 
90  const _Alloc& __al = _Alloc())
91  : _Base(__il, __al)
92  { }
93 
94  ~forward_list() noexcept
95  { }
96 
98  operator=(const forward_list& __list)
99  {
100  static_cast<_Base&>(*this) = __list;
101  return *this;
102  }
103 
104  forward_list&
105  operator=(forward_list&& __list)
106  {
107  // NB: DR 1204.
108  // NB: DR 675.
109  _Base::clear();
110  _Base::swap(__list);
111  return *this;
112  }
113 
114  forward_list&
115  operator=(std::initializer_list<_Tp> __il)
116  {
117  static_cast<_Base&>(*this) = __il;
118  return *this;
119  }
120 
121  _Base&
122  _M_base() noexcept { return *this; }
123 
124  const _Base&
125  _M_base() const noexcept { return *this; }
126  };
127 
128  template<typename _Tp, typename _Alloc>
129  inline bool
130  operator==(const forward_list<_Tp, _Alloc>& __lx,
131  const forward_list<_Tp, _Alloc>& __ly)
132  { return __lx._M_base() == __ly._M_base(); }
133 
134  template<typename _Tp, typename _Alloc>
135  inline bool
136  operator<(const forward_list<_Tp, _Alloc>& __lx,
137  const forward_list<_Tp, _Alloc>& __ly)
138  { return __lx._M_base() < __ly._M_base(); }
139 
140  template<typename _Tp, typename _Alloc>
141  inline bool
142  operator!=(const forward_list<_Tp, _Alloc>& __lx,
143  const forward_list<_Tp, _Alloc>& __ly)
144  { return !(__lx == __ly); }
145 
146  /// Based on operator<
147  template<typename _Tp, typename _Alloc>
148  inline bool
149  operator>(const forward_list<_Tp, _Alloc>& __lx,
150  const forward_list<_Tp, _Alloc>& __ly)
151  { return (__ly < __lx); }
152 
153  /// Based on operator<
154  template<typename _Tp, typename _Alloc>
155  inline bool
156  operator>=(const forward_list<_Tp, _Alloc>& __lx,
157  const forward_list<_Tp, _Alloc>& __ly)
158  { return !(__lx < __ly); }
159 
160  /// Based on operator<
161  template<typename _Tp, typename _Alloc>
162  inline bool
163  operator<=(const forward_list<_Tp, _Alloc>& __lx,
164  const forward_list<_Tp, _Alloc>& __ly)
165  { return !(__ly < __lx); }
166 
167  /// See std::forward_list::swap().
168  template<typename _Tp, typename _Alloc>
169  inline void
172  { __lx.swap(__ly); }
173 
174 } // namespace __profile
175 } // namespace std
176 
177 #endif // __GXX_EXPERIMENTAL_CXX0X__
178 
179 #endif