ceph/src/boost/boost/tti/detail/dstatic_mem_data.hpp

   1
   2 //  (C) Copyright Edward Diener 2011,2012,2013
   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 #if !defined(BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP)
   8 #define BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP
   9
  10 #include <boost/config.hpp>
  11 #include <boost/function_types/is_function.hpp>
  12 #include <boost/mpl/bool.hpp>
  13 #include <boost/mpl/eval_if.hpp>
  14 #include <boost/preprocessor/cat.hpp>
  15 #include <boost/type_traits/is_class.hpp>
  16 #include <boost/type_traits/detail/yes_no_type.hpp>
  17 #include <boost/tti/detail/denclosing_type.hpp>
  18 #include <boost/tti/detail/dmacro_sunfix.hpp>
  19 #include <boost/tti/detail/dnullptr.hpp>
  20 #include <boost/tti/gen/namespace_gen.hpp>
  21
  22 #if defined(BOOST_MSVC)
  23
  24 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
  25   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
  26   struct BOOST_PP_CAT(trait,_detail_hsd_op) \
  27     { \
  28     template<bool,typename BOOST_TTI_DETAIL_TP_U> \
  29     struct menable_if; \
  30     \
  31     template<typename BOOST_TTI_DETAIL_TP_U> \
  32     struct menable_if<true,BOOST_TTI_DETAIL_TP_U> \
  33       { \
  34       typedef BOOST_TTI_DETAIL_TP_U type; \
  35       }; \
  36     \
  37     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  38     static ::boost::type_traits::yes_type check2(BOOST_TTI_DETAIL_TP_V *); \
  39     \
  40     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  41     static ::boost::type_traits::no_type check2(BOOST_TTI_DETAIL_TP_U); \
  42     \
  43     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  44     static typename \
  45       menable_if \
  46         < \
  47         sizeof(check2<BOOST_TTI_DETAIL_TP_U,BOOST_TTI_DETAIL_TP_V>(&BOOST_TTI_DETAIL_TP_U::name))==sizeof(::boost::type_traits::yes_type), \
  48         ::boost::type_traits::yes_type \
  49         > \
  50       ::type \
  51     has_matching_member(int); \
  52     \
  53     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  54     static ::boost::type_traits::no_type has_matching_member(...); \
  55     \
  56     template<class BOOST_TTI_DETAIL_TP_U,class BOOST_TTI_DETAIL_TP_V> \
  57     struct ttc_sd \
  58       { \
  59       typedef boost::mpl::bool_<sizeof(has_matching_member<BOOST_TTI_DETAIL_TP_V,BOOST_TTI_DETAIL_TP_U>(0))==sizeof(::boost::type_traits::yes_type)> type; \
  60       }; \
  61     \
  62     typedef typename ttc_sd<BOOST_TTI_DETAIL_TP_TYPE,BOOST_TTI_DETAIL_TP_T>::type type; \
  63     }; \
  64 /**/
  65
  66 #else
  67
  68 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
  69   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
  70   struct BOOST_PP_CAT(trait,_detail_hsd_op) \
  71     { \
  72     template<BOOST_TTI_DETAIL_TP_TYPE *> \
  73     struct helper BOOST_TTI_DETAIL_MACRO_SUNFIX ; \
  74     \
  75     template<class BOOST_TTI_DETAIL_TP_U> \
  76     static ::boost::type_traits::yes_type chkt(helper<&BOOST_TTI_DETAIL_TP_U::name> *); \
  77     \
  78     template<class BOOST_TTI_DETAIL_TP_U> \
  79     static ::boost::type_traits::no_type chkt(...); \
  80     \
  81     typedef boost::mpl::bool_<(!boost::function_types::is_function<BOOST_TTI_DETAIL_TP_TYPE>::value) && (sizeof(chkt<BOOST_TTI_DETAIL_TP_T>(BOOST_TTI_DETAIL_NULLPTR))==sizeof(::boost::type_traits::yes_type))> type; \
  82     }; \
  83 /**/
  84
  85 #endif // defined(BOOST_MSVC)
  86
  87 #if defined(BOOST_NO_CXX11_UNRESTRICTED_UNION)
  88
  89 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA(trait,name) \
  90   BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
  91   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
  92   struct BOOST_PP_CAT(trait,_detail_hsd) : \
  93     boost::mpl::eval_if \
  94         < \
  95         boost::is_class<BOOST_TTI_DETAIL_TP_T>, \
  96         BOOST_PP_CAT(trait,_detail_hsd_op)<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_TYPE>, \
  97         boost::mpl::false_ \
  98         > \
  99     { \
 100     }; \
 101 /**/
 102
 103 #else
 104
 105 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA(trait,name) \
 106   BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
 107   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
 108   struct BOOST_PP_CAT(trait,_detail_hsd) : \
 109     boost::mpl::eval_if \
 110         < \
 111         BOOST_TTI_NAMESPACE::detail::enclosing_type<BOOST_TTI_DETAIL_TP_T>, \
 112         BOOST_PP_CAT(trait,_detail_hsd_op)<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_TYPE>, \
 113         boost::mpl::false_ \
 114         > \
 115     { \
 116     }; \
 117 /**/
 118
 119 #endif
 120
 121 #endif // BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP