Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame] | 1 | |
| 2 | // (C) Copyright John Maddock 2007. |
| 3 | // Use, modification and distribution are subject to the Boost Software License, |
| 4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 5 | // http://www.boost.org/LICENSE_1_0.txt). |
| 6 | // |
| 7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
| 8 | |
| 9 | #ifndef BOOST_TT_MAKE_UNSIGNED_HPP_INCLUDED |
| 10 | #define BOOST_TT_MAKE_UNSIGNED_HPP_INCLUDED |
| 11 | |
| 12 | #include <ndnboost/mpl/if.hpp> |
| 13 | #include <ndnboost/type_traits/is_integral.hpp> |
| 14 | #include <ndnboost/type_traits/is_signed.hpp> |
| 15 | #include <ndnboost/type_traits/is_unsigned.hpp> |
| 16 | #include <ndnboost/type_traits/is_enum.hpp> |
| 17 | #include <ndnboost/type_traits/is_same.hpp> |
| 18 | #include <ndnboost/type_traits/remove_cv.hpp> |
| 19 | #include <ndnboost/type_traits/is_const.hpp> |
| 20 | #include <ndnboost/type_traits/is_volatile.hpp> |
| 21 | #include <ndnboost/type_traits/add_const.hpp> |
| 22 | #include <ndnboost/type_traits/add_volatile.hpp> |
| 23 | #include <ndnboost/type_traits/detail/ice_or.hpp> |
| 24 | #include <ndnboost/type_traits/detail/ice_and.hpp> |
| 25 | #include <ndnboost/type_traits/detail/ice_not.hpp> |
| 26 | #include <ndnboost/static_assert.hpp> |
| 27 | |
| 28 | // should be the last #include |
| 29 | #include <ndnboost/type_traits/detail/type_trait_def.hpp> |
| 30 | |
| 31 | namespace ndnboost { |
| 32 | |
| 33 | namespace detail { |
| 34 | |
| 35 | template <class T> |
| 36 | struct make_unsigned_imp |
| 37 | { |
| 38 | BOOST_STATIC_ASSERT( |
| 39 | (::ndnboost::type_traits::ice_or< ::ndnboost::is_integral<T>::value, ::ndnboost::is_enum<T>::value>::value)); |
| 40 | #if !BOOST_WORKAROUND(BOOST_MSVC, <=1300) |
| 41 | BOOST_STATIC_ASSERT( |
| 42 | (::ndnboost::type_traits::ice_not< ::ndnboost::is_same< |
| 43 | typename remove_cv<T>::type, bool>::value>::value)); |
| 44 | #endif |
| 45 | |
| 46 | typedef typename remove_cv<T>::type t_no_cv; |
| 47 | typedef typename mpl::if_c< |
| 48 | (::ndnboost::type_traits::ice_and< |
| 49 | ::ndnboost::is_unsigned<T>::value, |
| 50 | ::ndnboost::is_integral<T>::value, |
| 51 | ::ndnboost::type_traits::ice_not< ::ndnboost::is_same<t_no_cv, char>::value>::value, |
| 52 | ::ndnboost::type_traits::ice_not< ::ndnboost::is_same<t_no_cv, wchar_t>::value>::value, |
| 53 | ::ndnboost::type_traits::ice_not< ::ndnboost::is_same<t_no_cv, bool>::value>::value >::value), |
| 54 | T, |
| 55 | typename mpl::if_c< |
| 56 | (::ndnboost::type_traits::ice_and< |
| 57 | ::ndnboost::is_integral<T>::value, |
| 58 | ::ndnboost::type_traits::ice_not< ::ndnboost::is_same<t_no_cv, char>::value>::value, |
| 59 | ::ndnboost::type_traits::ice_not< ::ndnboost::is_same<t_no_cv, wchar_t>::value>::value, |
| 60 | ::ndnboost::type_traits::ice_not< ::ndnboost::is_same<t_no_cv, bool>::value>::value> |
| 61 | ::value), |
| 62 | typename mpl::if_< |
| 63 | is_same<t_no_cv, signed char>, |
| 64 | unsigned char, |
| 65 | typename mpl::if_< |
| 66 | is_same<t_no_cv, short>, |
| 67 | unsigned short, |
| 68 | typename mpl::if_< |
| 69 | is_same<t_no_cv, int>, |
| 70 | unsigned int, |
| 71 | typename mpl::if_< |
| 72 | is_same<t_no_cv, long>, |
| 73 | unsigned long, |
| 74 | #if defined(BOOST_HAS_LONG_LONG) |
| 75 | #ifdef BOOST_HAS_INT128 |
| 76 | typename mpl::if_c< |
| 77 | sizeof(t_no_cv) == sizeof(ndnboost::ulong_long_type), |
| 78 | ndnboost::ulong_long_type, |
| 79 | ndnboost::uint128_type |
| 80 | >::type |
| 81 | #else |
| 82 | ndnboost::ulong_long_type |
| 83 | #endif |
| 84 | #elif defined(BOOST_HAS_MS_INT64) |
| 85 | unsigned __int64 |
| 86 | #else |
| 87 | unsigned long |
| 88 | #endif |
| 89 | >::type |
| 90 | >::type |
| 91 | >::type |
| 92 | >::type, |
| 93 | // Not a regular integer type: |
| 94 | typename mpl::if_c< |
| 95 | sizeof(t_no_cv) == sizeof(unsigned char), |
| 96 | unsigned char, |
| 97 | typename mpl::if_c< |
| 98 | sizeof(t_no_cv) == sizeof(unsigned short), |
| 99 | unsigned short, |
| 100 | typename mpl::if_c< |
| 101 | sizeof(t_no_cv) == sizeof(unsigned int), |
| 102 | unsigned int, |
| 103 | typename mpl::if_c< |
| 104 | sizeof(t_no_cv) == sizeof(unsigned long), |
| 105 | unsigned long, |
| 106 | #if defined(BOOST_HAS_LONG_LONG) |
| 107 | #ifdef BOOST_HAS_INT128 |
| 108 | typename mpl::if_c< |
| 109 | sizeof(t_no_cv) == sizeof(ndnboost::ulong_long_type), |
| 110 | ndnboost::ulong_long_type, |
| 111 | ndnboost::uint128_type |
| 112 | >::type |
| 113 | #else |
| 114 | ndnboost::ulong_long_type |
| 115 | #endif |
| 116 | #elif defined(BOOST_HAS_MS_INT64) |
| 117 | unsigned __int64 |
| 118 | #else |
| 119 | unsigned long |
| 120 | #endif |
| 121 | >::type |
| 122 | >::type |
| 123 | >::type |
| 124 | >::type |
| 125 | >::type |
| 126 | >::type base_integer_type; |
| 127 | |
| 128 | // Add back any const qualifier: |
| 129 | typedef typename mpl::if_< |
| 130 | is_const<T>, |
| 131 | typename add_const<base_integer_type>::type, |
| 132 | base_integer_type |
| 133 | >::type const_base_integer_type; |
| 134 | |
| 135 | // Add back any volatile qualifier: |
| 136 | typedef typename mpl::if_< |
| 137 | is_volatile<T>, |
| 138 | typename add_volatile<const_base_integer_type>::type, |
| 139 | const_base_integer_type |
| 140 | >::type type; |
| 141 | }; |
| 142 | |
| 143 | |
| 144 | } // namespace detail |
| 145 | |
| 146 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(make_unsigned,T,typename ndnboost::detail::make_unsigned_imp<T>::type) |
| 147 | |
| 148 | } // namespace ndnboost |
| 149 | |
| 150 | #include <ndnboost/type_traits/detail/type_trait_undef.hpp> |
| 151 | |
| 152 | #endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED |
| 153 | |