boost/tti/detail/dmem_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_MEM_DATA_HPP)
   8 #define BOOST_TTI_DETAIL_MEM_DATA_HPP
   9
  10 #include <boost/config.hpp>
  11 #include <boost/detail/workaround.hpp>
  12 #include <boost/function_types/components.hpp>
  13 #include <boost/function_types/is_member_object_pointer.hpp>
  14 #include <boost/mpl/assert.hpp>
  15 #include <boost/mpl/bool.hpp>
  16 #include <boost/mpl/eval_if.hpp>
  17 #include <boost/mpl/identity.hpp>
  18 #include <boost/mpl/or.hpp>
  19 #include <boost/preprocessor/cat.hpp>
  20 #include <boost/tti/detail/ddeftype.hpp>
  21 #include <boost/tti/detail/dftclass.hpp>
  22 #include <boost/tti/gen/namespace_gen.hpp>
  23 #include <boost/type_traits/detail/yes_no_type.hpp>
  24 #include <boost/type_traits/is_class.hpp>
  25 #include <boost/type_traits/is_same.hpp>
  26 #include <boost/type_traits/remove_const.hpp>
  27
  28 #if defined(BOOST_MSVC) || (BOOST_WORKAROUND(BOOST_GCC, >= 40400) && BOOST_WORKAROUND(BOOST_GCC, < 40600))
  29
  30 #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_OP(trait,name) \
  31   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_C> \
  32   struct BOOST_PP_CAT(trait,_detail_hmd_op) \
  33     { \
  34     template<class> \
  35     struct return_of; \
  36     \
  37     template<class BOOST_TTI_DETAIL_TP_R,class BOOST_TTI_DETAIL_TP_IC> \
  38     struct return_of<BOOST_TTI_DETAIL_TP_R BOOST_TTI_DETAIL_TP_IC::*> \
  39       { \
  40       typedef BOOST_TTI_DETAIL_TP_R type; \
  41       }; \
  42     \
  43     template<bool,typename BOOST_TTI_DETAIL_TP_U> \
  44     struct menable_if; \
  45     \
  46     template<typename BOOST_TTI_DETAIL_TP_U> \
  47     struct menable_if<true,BOOST_TTI_DETAIL_TP_U> \
  48       { \
  49       typedef BOOST_TTI_DETAIL_TP_U type; \
  50       }; \
  51     \
  52     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  53     static ::boost::type_traits::yes_type check2(BOOST_TTI_DETAIL_TP_V BOOST_TTI_DETAIL_TP_U::*); \
  54     \
  55     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  56     static ::boost::type_traits::no_type check2(BOOST_TTI_DETAIL_TP_U); \
  57     \
  58     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  59     static typename \
  60       menable_if \
  61         < \
  62         sizeof(check2<BOOST_TTI_DETAIL_TP_U,BOOST_TTI_DETAIL_TP_V>(&BOOST_TTI_DETAIL_TP_U::name))==sizeof(::boost::type_traits::yes_type), \
  63         ::boost::type_traits::yes_type \
  64         > \
  65       ::type \
  66     has_matching_member(int); \
  67     \
  68     template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  69     static ::boost::type_traits::no_type has_matching_member(...); \
  70     \
  71     template<class BOOST_TTI_DETAIL_TP_U,class BOOST_TTI_DETAIL_TP_V> \
  72     struct ttc_md \
  73       { \
  74       typedef boost::mpl::bool_<sizeof(has_matching_member<BOOST_TTI_DETAIL_TP_V,typename return_of<BOOST_TTI_DETAIL_TP_U>::type>(0))==sizeof(::boost::type_traits::yes_type)> type; \
  75       }; \
  76     \
  77     typedef typename ttc_md<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_C>::type type; \
  78     \
  79     }; \
  80 /**/
  81
  82 #else // !defined(BOOST_MSVC)
  83
  84 #include <boost/tti/detail/dmem_fun.hpp>
  85
  86 #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_OP(trait,name) \
  87   BOOST_TTI_DETAIL_TRAIT_HAS_TYPES_MEMBER_FUNCTION(trait,name) \
  88   template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_C> \
  89   struct BOOST_PP_CAT(trait,_detail_hmd_op) : \
  90     BOOST_PP_CAT(trait,_detail_types)<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_C> \
  91     { \
  92     }; \
  93 /**/
  94
  95 #endif // defined(BOOST_MSVC)
  96
  97 #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_ENCLOSING_CLASS(trait) \
  98   template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
  99   struct BOOST_PP_CAT(trait,_detail_hmd_invoke_enclosing_class) : \
 100     BOOST_PP_CAT(trait,_detail_hmd_op) \
 101         < \
 102         typename BOOST_TTI_NAMESPACE::detail::ptmd<BOOST_TTI_DETAIL_TP_ET,BOOST_TTI_DETAIL_TP_TYPE>::type, \
 103         typename boost::remove_const<BOOST_TTI_DETAIL_TP_ET>::type \
 104         > \
 105     { \
 106     }; \
 107 /**/
 108
 109 #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_PT_MEMBER(trait) \
 110   template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
 111   struct BOOST_PP_CAT(trait,_detail_hmd_invoke_pt_member) : \
 112     BOOST_PP_CAT(trait,_detail_hmd_op) \
 113         < \
 114         typename BOOST_TTI_NAMESPACE::detail::dmem_get_type<BOOST_TTI_DETAIL_TP_ET,BOOST_TTI_DETAIL_TP_TYPE>::type, \
 115         typename boost::remove_const \
 116             < \
 117             typename BOOST_TTI_NAMESPACE::detail::dmem_get_enclosing<BOOST_TTI_DETAIL_TP_ET,BOOST_TTI_DETAIL_TP_TYPE>::type \
 118             >::type \
 119         > \
 120     { \
 121     }; \
 122 /**/
 123
 124 #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_WITH_ENCLOSING_CLASS(trait) \
 125   BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_ENCLOSING_CLASS(trait) \
 126   template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
 127   struct BOOST_PP_CAT(trait,_detail_hmd_with_enclosing_class) : \
 128     boost::mpl::eval_if \
 129         < \
 130         boost::is_class<BOOST_TTI_DETAIL_TP_ET>, \
 131         BOOST_PP_CAT(trait,_detail_hmd_invoke_enclosing_class) \
 132             < \
 133             BOOST_TTI_DETAIL_TP_ET, \
 134             BOOST_TTI_DETAIL_TP_TYPE \
 135             >, \
 136         boost::mpl::false_ \
 137         > \
 138     { \
 139     }; \
 140 /**/
 141
 142 #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA(trait,name) \
 143   BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_OP(trait,name) \
 144   BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_WITH_ENCLOSING_CLASS(trait) \
 145   BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_PT_MEMBER(trait) \
 146   template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
 147   struct BOOST_PP_CAT(trait,_detail_hmd) : \
 148     boost::mpl::eval_if \
 149         < \
 150         boost::is_same<BOOST_TTI_DETAIL_TP_TYPE,BOOST_TTI_NAMESPACE::detail::deftype>, \
 151         BOOST_PP_CAT(trait,_detail_hmd_invoke_pt_member) \
 152             < \
 153             BOOST_TTI_DETAIL_TP_ET, \
 154             BOOST_TTI_DETAIL_TP_TYPE \
 155             >, \
 156         BOOST_PP_CAT(trait,_detail_hmd_with_enclosing_class) \
 157             < \
 158             BOOST_TTI_DETAIL_TP_ET, \
 159             BOOST_TTI_DETAIL_TP_TYPE \
 160             > \
 161         > \
 162     { \
 163     }; \
 164 /**/
 165
 166 namespace boost
 167   {
 168   namespace tti
 169     {
 170     namespace detail
 171       {
 172
 173       template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_R>
 174       struct ptmd
 175         {
 176         typedef BOOST_TTI_DETAIL_TP_R BOOST_TTI_DETAIL_TP_T::* type;
 177         };
 178
 179       template<class BOOST_TTI_DETAIL_TP_T>
 180       struct dmem_check_ptmd :
 181         boost::mpl::identity<BOOST_TTI_DETAIL_TP_T>
 182         {
 183         BOOST_MPL_ASSERT((boost::function_types::is_member_object_pointer<BOOST_TTI_DETAIL_TP_T>));
 184         };
 185
 186       template<class BOOST_TTI_DETAIL_TP_T>
 187       struct dmem_check_ptec :
 188         BOOST_TTI_NAMESPACE::detail::class_type<BOOST_TTI_DETAIL_TP_T>
 189         {
 190         BOOST_MPL_ASSERT((boost::function_types::is_member_object_pointer<BOOST_TTI_DETAIL_TP_T>));
 191         };
 192
 193       template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_T2>
 194       struct dmem_get_type :
 195         boost::mpl::eval_if
 196           <
 197           boost::is_same<BOOST_TTI_DETAIL_TP_T2,BOOST_TTI_NAMESPACE::detail::deftype>,
 198           BOOST_TTI_NAMESPACE::detail::dmem_check_ptmd<BOOST_TTI_DETAIL_TP_T>,
 199           BOOST_TTI_NAMESPACE::detail::ptmd<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_T2>
 200           >
 201         {
 202         };
 203
 204       template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_T2>
 205       struct dmem_get_enclosing :
 206         boost::mpl::eval_if
 207           <
 208           boost::is_same<BOOST_TTI_DETAIL_TP_T2,BOOST_TTI_NAMESPACE::detail::deftype>,
 209           BOOST_TTI_NAMESPACE::detail::dmem_check_ptec<BOOST_TTI_DETAIL_TP_T>,
 210           boost::mpl::identity<BOOST_TTI_DETAIL_TP_T>
 211           >
 212         {
 213         };
 214
 215       }
 216     }
 217   }
 218
 219 #endif // BOOST_TTI_DETAIL_MEM_DATA_HPP