dmem_data.hpp 7.7 KB

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  1. // (C) Copyright Edward Diener 2011,2012,2013
  2. // Use, modification and distribution are subject to the Boost Software License,
  3. // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  4. // http://www.boost.org/LICENSE_1_0.txt).
  5. #if !defined(BOOST_TTI_DETAIL_MEM_DATA_HPP)
  6. #define BOOST_TTI_DETAIL_MEM_DATA_HPP
  7. #include <boost/config.hpp>
  8. #include <boost/detail/workaround.hpp>
  9. #include <boost/function_types/components.hpp>
  10. #include <boost/function_types/is_member_object_pointer.hpp>
  11. #include <boost/mpl/assert.hpp>
  12. #include <boost/mpl/bool.hpp>
  13. #include <boost/mpl/eval_if.hpp>
  14. #include <boost/mpl/identity.hpp>
  15. #include <boost/mpl/or.hpp>
  16. #include <boost/preprocessor/cat.hpp>
  17. #include <boost/tti/detail/ddeftype.hpp>
  18. #include <boost/tti/detail/dftclass.hpp>
  19. #include <boost/tti/gen/namespace_gen.hpp>
  20. #include <boost/type_traits/detail/yes_no_type.hpp>
  21. #include <boost/type_traits/is_class.hpp>
  22. #include <boost/type_traits/is_same.hpp>
  23. #include <boost/type_traits/remove_const.hpp>
  24. #if defined(BOOST_MSVC) || (BOOST_WORKAROUND(BOOST_GCC, >= 40400) && BOOST_WORKAROUND(BOOST_GCC, < 40600))
  25. #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_OP(trait,name) \
  26. template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_C> \
  27. struct BOOST_PP_CAT(trait,_detail_hmd_op) \
  28. { \
  29. template<class> \
  30. struct return_of; \
  31. \
  32. template<class BOOST_TTI_DETAIL_TP_R,class BOOST_TTI_DETAIL_TP_IC> \
  33. struct return_of<BOOST_TTI_DETAIL_TP_R BOOST_TTI_DETAIL_TP_IC::*> \
  34. { \
  35. typedef BOOST_TTI_DETAIL_TP_R type; \
  36. }; \
  37. \
  38. template<bool,typename BOOST_TTI_DETAIL_TP_U> \
  39. struct menable_if; \
  40. \
  41. template<typename BOOST_TTI_DETAIL_TP_U> \
  42. struct menable_if<true,BOOST_TTI_DETAIL_TP_U> \
  43. { \
  44. typedef BOOST_TTI_DETAIL_TP_U type; \
  45. }; \
  46. \
  47. template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  48. static ::boost::type_traits::yes_type check2(BOOST_TTI_DETAIL_TP_V BOOST_TTI_DETAIL_TP_U::*); \
  49. \
  50. template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  51. static ::boost::type_traits::no_type check2(BOOST_TTI_DETAIL_TP_U); \
  52. \
  53. template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  54. static typename \
  55. menable_if \
  56. < \
  57. sizeof(check2<BOOST_TTI_DETAIL_TP_U,BOOST_TTI_DETAIL_TP_V>(&BOOST_TTI_DETAIL_TP_U::name))==sizeof(::boost::type_traits::yes_type), \
  58. ::boost::type_traits::yes_type \
  59. > \
  60. ::type \
  61. has_matching_member(int); \
  62. \
  63. template<typename BOOST_TTI_DETAIL_TP_U,typename BOOST_TTI_DETAIL_TP_V> \
  64. static ::boost::type_traits::no_type has_matching_member(...); \
  65. \
  66. template<class BOOST_TTI_DETAIL_TP_U,class BOOST_TTI_DETAIL_TP_V> \
  67. struct ttc_md \
  68. { \
  69. 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; \
  70. }; \
  71. \
  72. typedef typename ttc_md<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_C>::type type; \
  73. \
  74. }; \
  75. /**/
  76. #else // !defined(BOOST_MSVC)
  77. #include <boost/tti/detail/dmem_fun.hpp>
  78. #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_OP(trait,name) \
  79. BOOST_TTI_DETAIL_TRAIT_HAS_TYPES_MEMBER_FUNCTION(trait,name) \
  80. template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_C> \
  81. struct BOOST_PP_CAT(trait,_detail_hmd_op) : \
  82. BOOST_PP_CAT(trait,_detail_types)<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_C> \
  83. { \
  84. }; \
  85. /**/
  86. #endif // defined(BOOST_MSVC)
  87. #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_ENCLOSING_CLASS(trait) \
  88. template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
  89. struct BOOST_PP_CAT(trait,_detail_hmd_invoke_enclosing_class) : \
  90. BOOST_PP_CAT(trait,_detail_hmd_op) \
  91. < \
  92. typename BOOST_TTI_NAMESPACE::detail::ptmd<BOOST_TTI_DETAIL_TP_ET,BOOST_TTI_DETAIL_TP_TYPE>::type, \
  93. typename boost::remove_const<BOOST_TTI_DETAIL_TP_ET>::type \
  94. > \
  95. { \
  96. }; \
  97. /**/
  98. #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_PT_MEMBER(trait) \
  99. template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
  100. struct BOOST_PP_CAT(trait,_detail_hmd_invoke_pt_member) : \
  101. BOOST_PP_CAT(trait,_detail_hmd_op) \
  102. < \
  103. typename BOOST_TTI_NAMESPACE::detail::dmem_get_type<BOOST_TTI_DETAIL_TP_ET,BOOST_TTI_DETAIL_TP_TYPE>::type, \
  104. typename boost::remove_const \
  105. < \
  106. typename BOOST_TTI_NAMESPACE::detail::dmem_get_enclosing<BOOST_TTI_DETAIL_TP_ET,BOOST_TTI_DETAIL_TP_TYPE>::type \
  107. >::type \
  108. > \
  109. { \
  110. }; \
  111. /**/
  112. #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_WITH_ENCLOSING_CLASS(trait) \
  113. BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_ENCLOSING_CLASS(trait) \
  114. template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
  115. struct BOOST_PP_CAT(trait,_detail_hmd_with_enclosing_class) : \
  116. boost::mpl::eval_if \
  117. < \
  118. boost::is_class<BOOST_TTI_DETAIL_TP_ET>, \
  119. BOOST_PP_CAT(trait,_detail_hmd_invoke_enclosing_class) \
  120. < \
  121. BOOST_TTI_DETAIL_TP_ET, \
  122. BOOST_TTI_DETAIL_TP_TYPE \
  123. >, \
  124. boost::mpl::false_ \
  125. > \
  126. { \
  127. }; \
  128. /**/
  129. #define BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA(trait,name) \
  130. BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_OP(trait,name) \
  131. BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_WITH_ENCLOSING_CLASS(trait) \
  132. BOOST_TTI_DETAIL_TRAIT_HAS_MEMBER_DATA_INVOKE_PT_MEMBER(trait) \
  133. template<class BOOST_TTI_DETAIL_TP_ET,class BOOST_TTI_DETAIL_TP_TYPE> \
  134. struct BOOST_PP_CAT(trait,_detail_hmd) : \
  135. boost::mpl::eval_if \
  136. < \
  137. boost::is_same<BOOST_TTI_DETAIL_TP_TYPE,BOOST_TTI_NAMESPACE::detail::deftype>, \
  138. BOOST_PP_CAT(trait,_detail_hmd_invoke_pt_member) \
  139. < \
  140. BOOST_TTI_DETAIL_TP_ET, \
  141. BOOST_TTI_DETAIL_TP_TYPE \
  142. >, \
  143. BOOST_PP_CAT(trait,_detail_hmd_with_enclosing_class) \
  144. < \
  145. BOOST_TTI_DETAIL_TP_ET, \
  146. BOOST_TTI_DETAIL_TP_TYPE \
  147. > \
  148. > \
  149. { \
  150. }; \
  151. /**/
  152. namespace boost
  153. {
  154. namespace tti
  155. {
  156. namespace detail
  157. {
  158. template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_R>
  159. struct ptmd
  160. {
  161. typedef BOOST_TTI_DETAIL_TP_R BOOST_TTI_DETAIL_TP_T::* type;
  162. };
  163. template<class BOOST_TTI_DETAIL_TP_T>
  164. struct dmem_check_ptmd :
  165. boost::mpl::identity<BOOST_TTI_DETAIL_TP_T>
  166. {
  167. BOOST_MPL_ASSERT((boost::function_types::is_member_object_pointer<BOOST_TTI_DETAIL_TP_T>));
  168. };
  169. template<class BOOST_TTI_DETAIL_TP_T>
  170. struct dmem_check_ptec :
  171. BOOST_TTI_NAMESPACE::detail::class_type<BOOST_TTI_DETAIL_TP_T>
  172. {
  173. BOOST_MPL_ASSERT((boost::function_types::is_member_object_pointer<BOOST_TTI_DETAIL_TP_T>));
  174. };
  175. template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_T2>
  176. struct dmem_get_type :
  177. boost::mpl::eval_if
  178. <
  179. boost::is_same<BOOST_TTI_DETAIL_TP_T2,BOOST_TTI_NAMESPACE::detail::deftype>,
  180. BOOST_TTI_NAMESPACE::detail::dmem_check_ptmd<BOOST_TTI_DETAIL_TP_T>,
  181. BOOST_TTI_NAMESPACE::detail::ptmd<BOOST_TTI_DETAIL_TP_T,BOOST_TTI_DETAIL_TP_T2>
  182. >
  183. {
  184. };
  185. template<class BOOST_TTI_DETAIL_TP_T,class BOOST_TTI_DETAIL_TP_T2>
  186. struct dmem_get_enclosing :
  187. boost::mpl::eval_if
  188. <
  189. boost::is_same<BOOST_TTI_DETAIL_TP_T2,BOOST_TTI_NAMESPACE::detail::deftype>,
  190. BOOST_TTI_NAMESPACE::detail::dmem_check_ptec<BOOST_TTI_DETAIL_TP_T>,
  191. boost::mpl::identity<BOOST_TTI_DETAIL_TP_T>
  192. >
  193. {
  194. };
  195. }
  196. }
  197. }
  198. #endif // BOOST_TTI_DETAIL_MEM_DATA_HPP