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/dnullptr.hpp>
  18
  19 #if defined(BOOST_MSVC)
  20
  21 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
  22   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
  23   struct BOOST_PP_CAT(trait,_detail_hsd_op) \
  24     { \
  25     template<bool,typename BOOST_TTI_DETAIL_TP_U> \
  26     struct menable_if; \
  27     \
  28     template<typename BOOST_TTI_DETAIL_TP_U> \
  29     struct menable_if<true,BOOST_TTI_DETAIL_TP_U> \
  30       { \
  31       typedef BOOST_TTI_DETAIL_TP_U type; \
  32       }; \
  33     \
  34     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  35     static ::boost::type_traits::yes_type check2(BOOST_TTI_DETAIL_TP_V *); \
  36     \
  37     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  38     static ::boost::type_traits::no_type check2(BOOST_TTI_DETAIL_TP_U); \
  39     \
  40     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  41     static typename \
  42       menable_if \
  43         < \
  44         sizeof(check2<BOOST_TTI_DETAIL_TP_U,BOOST_TTI_DETAIL_TP_V>(&BOOST_TTI_DETAIL_TP_U::name))==sizeof(::boost::type_traits::yes_type), \
  45         ::boost::type_traits::yes_type \
  46         > \
  47       ::type \
  48     has_matching_member(int); \
  49     \
  50     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  51     static ::boost::type_traits::no_type has_matching_member(...); \
  52     \
  53     template<class BOOST_TTI_DETAIL_TP_U,class BOOST_TTI_DETAIL_TP_V> \
  54     struct ttc_sd \
  55       { \
  56       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; \
  57       }; \
  58     \
  59     typedef typename ttc_sd<BOOST_TTI_DETAIL_TP_TYPE,BOOST_TTI_DETAIL_TP_T>::type type; \
  60     }; \
  61 /**/
  62
  63 #elif defined(__SUNPRO_CC)
  64
  65 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
  66   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
  67   struct BOOST_PP_CAT(trait,_detail_hsd_op) \
  68     { \
  69     template<BOOST_TTI_DETAIL_TP_TYPE *> \
  70     struct helper {}; \
  71     \
  72     template<class BOOST_TTI_DETAIL_TP_U> \
  73     static ::boost::type_traits::yes_type chkt(helper<&BOOST_TTI_DETAIL_TP_U::name> *); \
  74     \
  75     template<class BOOST_TTI_DETAIL_TP_U> \
  76     static ::boost::type_traits::no_type chkt(...); \
  77     \
  78     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; \
  79     }; \
  80 /**/
  81
  82 #else
  83
  84 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
  85   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
  86   struct BOOST_PP_CAT(trait,_detail_hsd_op) \
  87     { \
  88     template<BOOST_TTI_DETAIL_TP_TYPE *> \
  89     struct helper; \
  90     \
  91     template<class BOOST_TTI_DETAIL_TP_U> \
  92     static ::boost::type_traits::yes_type chkt(helper<&BOOST_TTI_DETAIL_TP_U::name> *); \
  93     \
  94     template<class BOOST_TTI_DETAIL_TP_U> \
  95     static ::boost::type_traits::no_type chkt(...); \
  96     \
  97     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; \
  98     }; \
  99 /**/
 100
 101 #endif // defined(BOOST_MSVC)
 102
 103 #define BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA(trait,name) \
 104   BOOST_TTI_DETAIL_TRAIT_HAS_STATIC_MEMBER_DATA_OP(trait,name) \
 105   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_TYPE> \
 106   struct BOOST_PP_CAT(trait,_detail_hsd) : \
 107     boost::mpl::eval_if \
 108         < \
 109         boost::is_class<BOOST_TTI_DETAIL_TP_T>, \
 110         BOOST_PP_CAT(trait,_detail_hsd_op)<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_TYPE>, \
 111         boost::mpl::false_ \
 112         > \
 113     { \
 114     }; \
 115 /**/
 116
 117 #endif // BOOST_TTI_DETAIL_STATIC_MEM_DATA_HPP