diff options
Diffstat (limited to 'src/third_party/boost/boost/type_traits/integral_promotion.hpp')
-rw-r--r-- | src/third_party/boost/boost/type_traits/integral_promotion.hpp | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/src/third_party/boost/boost/type_traits/integral_promotion.hpp b/src/third_party/boost/boost/type_traits/integral_promotion.hpp deleted file mode 100644 index 2109b9c60d3..00000000000 --- a/src/third_party/boost/boost/type_traits/integral_promotion.hpp +++ /dev/null @@ -1,195 +0,0 @@ -// Copyright 2005 Alexander Nasonov. -// Distributed under the Boost Software License, Version 1.0. (See -// accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) - -#ifndef FILE_boost_type_traits_integral_promotion_hpp_INCLUDED -#define FILE_boost_type_traits_integral_promotion_hpp_INCLUDED - -#include <boost/config.hpp> - -#include <boost/mpl/eval_if.hpp> -#include <boost/mpl/identity.hpp> -#include <boost/type_traits/integral_constant.hpp> -#include <boost/type_traits/is_const.hpp> -#include <boost/type_traits/is_enum.hpp> -#include <boost/type_traits/is_volatile.hpp> -#include <boost/type_traits/remove_cv.hpp> - -// Should be the last #include -#include <boost/type_traits/detail/type_trait_def.hpp> - -namespace boost { - -namespace type_traits { namespace detail { - -// 4.5/2 -template <class T> struct need_promotion : public boost::is_enum<T> {}; - -// 4.5/1 -template<> struct need_promotion<char > : public true_type {}; -template<> struct need_promotion<signed char > : public true_type {}; -template<> struct need_promotion<unsigned char > : public true_type {}; -template<> struct need_promotion<signed short int > : public true_type {}; -template<> struct need_promotion<unsigned short int> : public true_type {}; - - -// Specializations for non-standard types. -// Type is promoted if it's smaller then int. - -#define BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(T) \ - template<> struct need_promotion<T> \ - : public integral_constant<bool, (sizeof(T) < sizeof(int))> {}; - -// Same set of integral types as in boost/type_traits/is_integral.hpp. -// Please, keep in sync. -#if (defined(BOOST_MSVC) && (BOOST_MSVC < 1300)) \ - || (defined(BOOST_INTEL_CXX_VERSION) && defined(_MSC_VER) && (BOOST_INTEL_CXX_VERSION <= 600)) \ - || (defined(__BORLANDC__) && (__BORLANDC__ == 0x600) && (_MSC_VER < 1300)) -// TODO: common macro for this #if. Or better yet, PP SEQ of non-standard types. -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(__int8 ) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(unsigned __int8 ) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(__int16 ) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(unsigned __int16) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(__int32 ) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(unsigned __int32) -#ifdef __BORLANDC__ -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(unsigned __int64) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE( __int64) -#endif -#endif - -#if defined(BOOST_HAS_LONG_LONG) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(boost::ulong_long_type) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(boost::long_long_type ) -#elif defined(BOOST_HAS_MS_INT64) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(unsigned __int64) -BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE( __int64) -#endif - -#undef BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE - - -#ifndef BOOST_NO_INTRINSIC_WCHAR_T -// 4.5/2 -template<> struct need_promotion<wchar_t> : public true_type {}; -#endif - -// 4.5/3 (integral bit-field) is not supported. - -// 4.5/4 -template<> struct need_promotion<bool> : public true_type {}; - - -// Get promoted type by index and cv qualifiers. - -template<int Index, int IsConst, int IsVolatile> struct promote_from_index; - -#define BOOST_TT_AUX_PROMOTE_FROM_INDEX(N,T) \ - template<> struct promote_from_index<N,0,0> { typedef T type; }; \ - template<> struct promote_from_index<N,0,1> { typedef T volatile type; }; \ - template<> struct promote_from_index<N,1,0> { typedef T const type; }; \ - template<> struct promote_from_index<N,1,1> { typedef T const volatile type; }; - - -BOOST_TT_AUX_PROMOTE_FROM_INDEX(1, int ) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(2, unsigned int ) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(3, long ) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(4, unsigned long) - - -// WARNING: integral promotions to non-standard types -// long long and __int64 are not defined by the standard. -// Additional specialisations and overloads shouldn't -// introduce ambiguity, though. - -#if defined(BOOST_HAS_LONG_LONG) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(5, boost::long_long_type ) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(6, boost::ulong_long_type) -#elif defined(BOOST_HAS_MS_INT64) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(7, __int64 ) -BOOST_TT_AUX_PROMOTE_FROM_INDEX(8, unsigned __int64) -#endif - -#undef BOOST_TT_AUX_PROMOTE_FROM_INDEX - - -// Define BOOST_TT_AUX_PROMOTED_INDEX_TESTER: -#if !defined(BOOST_MSVC) - -template<int N> -struct sized_type_for_promotion -{ - typedef char (&type)[N]; -}; - -#define BOOST_TT_AUX_PROMOTED_INDEX_TESTER(I,T) \ - sized_type_for_promotion<I>::type promoted_index_tester(T); - -#else - -#define BOOST_TT_AUX_PROMOTED_INDEX_TESTER(I,T) \ - char (&promoted_index_tester(T))[I]; - -#endif - -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(1, int ) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(2, unsigned int ) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(3, long ) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(4, unsigned long) - -#if defined(BOOST_HAS_LONG_LONG) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(5, boost::long_long_type ) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(6, boost::ulong_long_type) -#elif defined(BOOST_HAS_MS_INT64) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(7, __int64 ) -BOOST_TT_AUX_PROMOTED_INDEX_TESTER(8, unsigned __int64) -#endif - -#undef BOOST_TT_AUX_PROMOTED_INDEX_TESTER - - -// Get an index of promoted type for type T. -// Precondition: need_promotion<T> -template<class T> -struct promoted_index -{ - static T testee; // undefined - BOOST_STATIC_CONSTANT(int, value = sizeof(promoted_index_tester(+testee)) ); - // Unary plus promotes testee LOOK HERE ---> ^ -}; - -template<class T> -struct integral_promotion_impl -{ - typedef BOOST_DEDUCED_TYPENAME promote_from_index< - (boost::type_traits::detail::promoted_index<T>::value) - , (boost::is_const<T>::value) - , (boost::is_volatile<T>::value) - >::type type; -}; - -template<class T> -struct integral_promotion - : public boost::mpl::eval_if< - need_promotion<BOOST_DEDUCED_TYPENAME remove_cv<T>::type> - , integral_promotion_impl<T> - , boost::mpl::identity<T> - > -{ -}; - -} } - -BOOST_TT_AUX_TYPE_TRAIT_DEF1( - integral_promotion - , T - , BOOST_DEDUCED_TYPENAME - boost::type_traits::detail::integral_promotion<T>::type - ) -} - -#include <boost/type_traits/detail/type_trait_undef.hpp> - -#endif // #ifndef FILE_boost_type_traits_integral_promotion_hpp_INCLUDED - |