OpenCores
URL https://opencores.org/ocsvn/altor32/altor32/trunk

Subversion Repositories altor32

[/] [altor32/] [trunk/] [gcc-x64/] [or1knd-elf/] [or1knd-elf/] [include/] [c++/] [4.8.0/] [ext/] [pb_ds/] [detail/] [type_utils.hpp] - Blame information for rev 35

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 35 ultra_embe
// -*- C++ -*-
2
 
3
// Copyright (C) 2005, 2006, 2007, 2009, 2010 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 detail/type_utils.hpp
38
 * Contains utilities for handnling types. All of these classes are based on
39
 * Modern C++ by Andrei Alxandrescu.
40
 */
41
 
42
#ifndef PB_DS_TYPE_UTILS_HPP
43
#define PB_DS_TYPE_UTILS_HPP
44
 
45
#include <cstddef>
46
#include <utility>
47
#include <tr1/type_traits>
48
#include <ext/type_traits.h>
49
#include <ext/numeric_traits.h>
50
 
51
namespace __gnu_pbds
52
{
53
  namespace detail
54
  {
55
    using std::tr1::is_same;
56
    using std::tr1::is_const;
57
    using std::tr1::is_pointer;
58
    using std::tr1::is_reference;
59
    using std::tr1::is_fundamental;
60
    using std::tr1::is_member_object_pointer;
61
    using std::tr1::is_member_pointer;
62
    using std::tr1::is_base_of;
63
    using std::tr1::remove_const;
64
    using std::tr1::remove_reference;
65
 
66
    // Need integral_const<bool, true> <-> integral_const<int, 1>, so
67
    // because of this use the following typedefs instead of importing
68
    // std::tr1's.
69
    using std::tr1::integral_constant;
70
    typedef std::tr1::integral_constant<int, 1> true_type;
71
    typedef std::tr1::integral_constant<int, 0> false_type;
72
 
73
    using __gnu_cxx::__conditional_type;
74
    using __gnu_cxx::__numeric_traits;
75
 
76
    template<typename T>
77
    struct is_const_pointer
78
    {
79
      enum
80
        {
81
          value = is_const<T>::value && is_pointer<T>::value
82
        };
83
    };
84
 
85
    template<typename T>
86
    struct is_const_reference
87
    {
88
      enum
89
        {
90
          value = is_const<T>::value && is_reference<T>::value
91
        };
92
    };
93
 
94
    template<typename T>
95
    struct is_simple
96
    {
97
      enum
98
        {
99
          value = is_fundamental<typename remove_const<T>::type>::value
100
          || is_pointer<typename remove_const<T>::type>::value
101
          || is_member_pointer<T>::value
102
        };
103
    };
104
 
105
    template<typename T>
106
    class is_pair
107
    {
108
    private:
109
      template<typename U>
110
      struct is_pair_imp
111
      {
112
        enum
113
          {
114
            value = 0
115
          };
116
      };
117
 
118
      template<typename U, typename V>
119
      struct is_pair_imp<std::pair<U,V> >
120
      {
121
        enum
122
          {
123
            value = 1
124
          };
125
      };
126
 
127
    public:
128
      enum
129
        {
130
          value = is_pair_imp<T>::value
131
        };
132
    };
133
 
134
    // Use C++0x's static_assert if possible.
135
#if __cplusplus >= 201103L
136
#define PB_DS_STATIC_ASSERT(UNIQUE, E)  static_assert(E, #UNIQUE)
137
#else
138
    template<bool>
139
    struct __static_assert;
140
 
141
    template<>
142
    struct __static_assert<true>
143
    { };
144
 
145
    template<int>
146
    struct __static_assert_dumclass
147
    {
148
      enum
149
        {
150
          v = 1
151
        };
152
    };
153
 
154
#define PB_DS_STATIC_ASSERT(UNIQUE, E)  \
155
    typedef __gnu_pbds::detail::__static_assert_dumclass<sizeof(__gnu_pbds::detail::__static_assert<bool(E)>)> UNIQUE##__static_assert_type
156
 
157
#endif
158
 
159
    template<typename Type>
160
    struct type_to_type
161
    {
162
      typedef Type type;
163
    };
164
  } // namespace detail
165
} // namespace __gnu_pbds
166
 
167
#endif 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.