define_struct.hpp 31 KB

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  1. /*=============================================================================
  2. Copyright (c) 2010-2011 Christopher Schmidt
  3. Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. ==============================================================================*/
  6. #ifndef BOOST_FUSION_ADAPTED_DETAIL_STRUCT_DEFINE_STRUCT_HPP
  7. #define BOOST_FUSION_ADAPTED_DETAIL_STRUCT_DEFINE_STRUCT_HPP
  8. #include <boost/fusion/support/config.hpp>
  9. #include <boost/config.hpp>
  10. #include <boost/detail/workaround.hpp>
  11. #include <boost/fusion/sequence/intrinsic/begin.hpp>
  12. #include <boost/fusion/iterator/deref.hpp>
  13. #include <boost/fusion/iterator/next.hpp>
  14. #include <boost/fusion/iterator/advance.hpp>
  15. #include <boost/fusion/adapted/struct/detail/adapt_base.hpp>
  16. #include <boost/fusion/adapted/struct/detail/namespace.hpp>
  17. #include <boost/preprocessor/if.hpp>
  18. #include <boost/preprocessor/expr_if.hpp>
  19. #include <boost/preprocessor/dec.hpp>
  20. #include <boost/preprocessor/logical/not.hpp>
  21. #include <boost/preprocessor/punctuation/comma_if.hpp>
  22. #include <boost/preprocessor/seq/seq.hpp>
  23. #include <boost/preprocessor/seq/for_each.hpp>
  24. #include <boost/preprocessor/seq/for_each_i.hpp>
  25. #include <boost/preprocessor/seq/enum.hpp>
  26. #include <boost/preprocessor/seq/size.hpp>
  27. #include <boost/preprocessor/tuple/elem.hpp>
  28. #include <boost/preprocessor/tuple/eat.hpp>
  29. #include <boost/call_traits.hpp>
  30. #include <boost/type_traits/is_convertible.hpp>
  31. #include <boost/utility/enable_if.hpp>
  32. #define BOOST_FUSION_DEFINE_STRUCT_FILLER_0(X, Y) \
  33. ((X, Y)) BOOST_FUSION_DEFINE_STRUCT_FILLER_1
  34. #define BOOST_FUSION_DEFINE_STRUCT_FILLER_1(X, Y) \
  35. ((X, Y)) BOOST_FUSION_DEFINE_STRUCT_FILLER_0
  36. #define BOOST_FUSION_DEFINE_STRUCT_FILLER_0_END
  37. #define BOOST_FUSION_DEFINE_STRUCT_FILLER_1_END
  38. #ifdef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  39. #define BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR_FILLER_I( \
  40. R, ATTRIBUTE_TUPLE_SIZE, I, ATTRIBUTE) \
  41. \
  42. BOOST_PP_COMMA_IF(I) \
  43. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)( \
  44. other_self.BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE))
  45. #define BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR( \
  46. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  47. \
  48. BOOST_FUSION_GPU_ENABLED \
  49. NAME(self_type const& other_self) \
  50. : BOOST_PP_SEQ_FOR_EACH_I_R( \
  51. 1, \
  52. BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR_FILLER_I, \
  53. ATTRIBUTE_TUPLE_SIZE, \
  54. ATTRIBUTES_SEQ) \
  55. {}
  56. // Use templated version instead.
  57. #define BOOST_FUSION_DEFINE_STRUCT_COPY_ASSIGN_FILLER_I( \
  58. R, ATTRIBUTE_TUPLE_SIZE, I_, ATTRIBUTE) \
  59. \
  60. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)= \
  61. other.BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE);
  62. #define BOOST_FUSION_DEFINE_STRUCT_COPY_ASSIGN_OP( \
  63. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  64. \
  65. BOOST_FUSION_GPU_ENABLED \
  66. self_type& operator=(self_type const& other) \
  67. { \
  68. BOOST_PP_SEQ_FOR_EACH_I_R( \
  69. 1, \
  70. BOOST_FUSION_DEFINE_STRUCT_COPY_ASSIGN_FILLER_I, \
  71. ATTRIBUTE_TUPLE_SIZE, \
  72. ATTRIBUTES_SEQ) \
  73. \
  74. return *this; \
  75. }
  76. #else // BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  77. #define BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR( \
  78. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  79. \
  80. BOOST_FUSION_GPU_ENABLED NAME(self_type const&) = default;
  81. #define BOOST_FUSION_DEFINE_STRUCT_COPY_ASSIGN_OP( \
  82. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  83. \
  84. BOOST_FUSION_GPU_ENABLED self_type& operator=(self_type const&) = default;
  85. #endif // BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  86. #define BOOST_FUSION_DEFINE_STRUCT_ASSIGN_FILLER_I( \
  87. R, ATTRIBUTE_TUPLE_SIZE, I_, ATTRIBUTE) \
  88. \
  89. BOOST_PP_EXPR_IF( \
  90. I_, \
  91. typedef typename \
  92. boost::fusion::result_of::next< \
  93. BOOST_PP_CAT(I,BOOST_PP_DEC(I_)) \
  94. >::type \
  95. BOOST_PP_CAT(I,I_); \
  96. BOOST_PP_CAT(I,I_) BOOST_PP_CAT(i,I_)= \
  97. boost::fusion::next(BOOST_PP_CAT(i,BOOST_PP_DEC(I_))); \
  98. ) \
  99. \
  100. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)= \
  101. boost::fusion::deref(BOOST_PP_CAT(i,I_));
  102. #define BOOST_FUSION_DEFINE_STRUCT_ASSIGN_OP( \
  103. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  104. \
  105. template<typename Seq> \
  106. BOOST_FUSION_GPU_ENABLED \
  107. self_type& \
  108. operator=(Seq const& seq) \
  109. { \
  110. typedef typename \
  111. boost::fusion::result_of::begin<Seq const>::type \
  112. I0; \
  113. I0 i0=boost::fusion::begin(seq); \
  114. \
  115. BOOST_PP_SEQ_FOR_EACH_I_R( \
  116. 1, \
  117. BOOST_FUSION_DEFINE_STRUCT_ASSIGN_FILLER_I, \
  118. ATTRIBUTE_TUPLE_SIZE, \
  119. ATTRIBUTES_SEQ) \
  120. \
  121. return *this; \
  122. }
  123. #ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
  124. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_CTOR(NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  125. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_ASSIGN_OP(ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  126. #else // BOOST_NO_CXX11_RVALUE_REFERENCES
  127. #if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) \
  128. || BOOST_WORKAROUND(BOOST_GCC, < 40500) \
  129. || BOOST_WORKAROUND(BOOST_MSVC, == 1800)
  130. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_CTOR_FILLER_I( \
  131. R, ATTRIBUTE_TUPLE_SIZE, I, ATTRIBUTE) \
  132. \
  133. BOOST_PP_COMMA_IF(I) \
  134. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)(std::move( \
  135. other_self.BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)))
  136. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_CTOR( \
  137. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  138. \
  139. BOOST_FUSION_GPU_ENABLED \
  140. NAME(self_type&& other_self) \
  141. : BOOST_PP_SEQ_FOR_EACH_I_R( \
  142. 1, \
  143. BOOST_FUSION_DEFINE_STRUCT_MOVE_CTOR_FILLER_I, \
  144. ATTRIBUTE_TUPLE_SIZE, \
  145. ATTRIBUTES_SEQ) \
  146. {}
  147. #else // BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  148. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_CTOR( \
  149. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  150. \
  151. BOOST_FUSION_GPU_ENABLED NAME(self_type&&) = default;
  152. #endif // BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  153. #if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) \
  154. || BOOST_WORKAROUND(BOOST_GCC, < 40600) \
  155. || BOOST_WORKAROUND(BOOST_MSVC, == 1800)
  156. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_ASSIGN_FILLER_I( \
  157. R, ATTRIBUTE_TUPLE_SIZE, I_, ATTRIBUTE) \
  158. \
  159. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)=std::move( \
  160. other.BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE));
  161. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_ASSIGN_OP( \
  162. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  163. \
  164. BOOST_FUSION_GPU_ENABLED \
  165. self_type& operator=(self_type&& other) \
  166. { \
  167. BOOST_PP_SEQ_FOR_EACH_I_R( \
  168. 1, \
  169. BOOST_FUSION_DEFINE_STRUCT_MOVE_ASSIGN_FILLER_I, \
  170. ATTRIBUTE_TUPLE_SIZE, \
  171. ATTRIBUTES_SEQ) \
  172. \
  173. return *this; \
  174. }
  175. #else // BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  176. #define BOOST_FUSION_DEFINE_STRUCT_MOVE_ASSIGN_OP( \
  177. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  178. \
  179. BOOST_FUSION_GPU_ENABLED self_type& operator=(self_type&&) = default;
  180. #endif // BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
  181. #endif // BOOST_NO_CXX11_RVALUE_REFERENCES
  182. #define BOOST_FUSION_DEFINE_STRUCT_ATTR_I(R, ATTRIBUTE_TUPLE_SIZE, ATTRIBUTE) \
  183. \
  184. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,0,ATTRIBUTE) \
  185. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE);
  186. #define BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_FILLER_I( \
  187. R, ATTRIBUTE_TUPLE_SIZE, I, ATTRIBUTE) \
  188. \
  189. BOOST_PP_COMMA_IF(I) \
  190. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)( \
  191. boost::fusion::deref(boost::fusion::advance_c<I>(boost::fusion::begin( \
  192. seq))))
  193. #define BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_DISABLER( \
  194. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  195. \
  196. , typename boost::disable_if< \
  197. boost::is_convertible< \
  198. Seq const& \
  199. , BOOST_PP_TUPLE_ELEM( \
  200. ATTRIBUTE_TUPLE_SIZE, \
  201. 0, \
  202. BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ)) \
  203. > \
  204. >::type* =0
  205. #define BOOST_FUSION_DEFINE_STRUCT_SEQ_DEFAULT_CTOR_FILLER_I( \
  206. R, ATTRIBUTE_TUPLE_SIZE, I, ATTRIBUTE) \
  207. \
  208. BOOST_PP_COMMA_IF(I) \
  209. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)()
  210. #define BOOST_FUSION_DEFINE_STRUCT_IMPL_IMPL( \
  211. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  212. \
  213. BOOST_PP_SEQ_FOR_EACH_R( \
  214. 1, \
  215. BOOST_FUSION_DEFINE_STRUCT_ATTR_I, \
  216. ATTRIBUTE_TUPLE_SIZE, \
  217. ATTRIBUTES_SEQ) \
  218. \
  219. BOOST_FUSION_GPU_ENABLED \
  220. NAME() \
  221. : BOOST_PP_SEQ_FOR_EACH_I_R( \
  222. 1, \
  223. BOOST_FUSION_DEFINE_STRUCT_SEQ_DEFAULT_CTOR_FILLER_I, \
  224. ATTRIBUTE_TUPLE_SIZE, \
  225. ATTRIBUTES_SEQ) \
  226. {} \
  227. \
  228. BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR( \
  229. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  230. BOOST_FUSION_DEFINE_STRUCT_MOVE_CTOR( \
  231. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  232. \
  233. template<typename Seq> \
  234. BOOST_FUSION_GPU_ENABLED \
  235. NAME(Seq const& seq \
  236. BOOST_PP_IF( \
  237. BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \
  238. BOOST_PP_TUPLE_EAT(2), \
  239. BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_DISABLER)( \
  240. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  241. ) \
  242. : BOOST_PP_SEQ_FOR_EACH_I_R( \
  243. 1, \
  244. BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_FILLER_I, \
  245. ATTRIBUTE_TUPLE_SIZE, \
  246. ATTRIBUTES_SEQ) \
  247. {} \
  248. \
  249. BOOST_FUSION_DEFINE_STRUCT_COPY_ASSIGN_OP( \
  250. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  251. BOOST_FUSION_DEFINE_STRUCT_MOVE_ASSIGN_OP( \
  252. ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  253. BOOST_FUSION_DEFINE_STRUCT_ASSIGN_OP(ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  254. #define BOOST_FUSION_DEFINE_STRUCT_CTOR_1( \
  255. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  256. \
  257. BOOST_FUSION_GPU_ENABLED \
  258. explicit \
  259. NAME(boost::call_traits< \
  260. BOOST_PP_TUPLE_ELEM( \
  261. ATTRIBUTE_TUPLE_SIZE,0,BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ)) \
  262. >::param_type arg) \
  263. : BOOST_PP_TUPLE_ELEM( \
  264. ATTRIBUTE_TUPLE_SIZE,1,BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ))(arg) \
  265. {}
  266. #define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_1( \
  267. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  268. \
  269. BOOST_FUSION_GPU_ENABLED \
  270. explicit \
  271. NAME(typename boost::call_traits< \
  272. typename boost::fusion::detail::get_first_arg< \
  273. BOOST_PP_TUPLE_ELEM( \
  274. ATTRIBUTE_TUPLE_SIZE, \
  275. 0, \
  276. BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ)) \
  277. , BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ) \
  278. >::type \
  279. >::param_type arg) \
  280. : BOOST_PP_TUPLE_ELEM( \
  281. ATTRIBUTE_TUPLE_SIZE,1,BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ))(arg) \
  282. {}
  283. #define BOOST_FUSION_DEFINE_STRUCT_CTOR_FILLER_I( \
  284. R, ATTRIBUTE_TUPLE_SIZE, I, ATTRIBUTE) \
  285. \
  286. BOOST_PP_COMMA_IF(I) \
  287. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,1,ATTRIBUTE)(BOOST_PP_CAT(_,I))
  288. #define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_ARG_I(R, DATA, I, ATTRIBUTE) \
  289. \
  290. BOOST_PP_COMMA_IF(I) \
  291. typename boost::call_traits< \
  292. typename boost::fusion::detail::get_first_arg< \
  293. BOOST_PP_TUPLE_ELEM( \
  294. BOOST_PP_TUPLE_ELEM(3,0,DATA), \
  295. 0, \
  296. ATTRIBUTE) \
  297. , BOOST_PP_TUPLE_ELEM(3,2,DATA) \
  298. >::type \
  299. >::param_type BOOST_PP_CAT(_,I)
  300. #define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_N( \
  301. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  302. \
  303. BOOST_FUSION_GPU_ENABLED \
  304. NAME(BOOST_PP_SEQ_FOR_EACH_I_R( \
  305. 1, \
  306. BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_ARG_I, \
  307. ( \
  308. ATTRIBUTE_TUPLE_SIZE, \
  309. BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ), \
  310. BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ) \
  311. ), \
  312. ATTRIBUTES_SEQ)) \
  313. : BOOST_PP_SEQ_FOR_EACH_I_R( \
  314. 1, \
  315. BOOST_FUSION_DEFINE_STRUCT_CTOR_FILLER_I, \
  316. ATTRIBUTE_TUPLE_SIZE, \
  317. ATTRIBUTES_SEQ) \
  318. {}
  319. #define BOOST_FUSION_DEFINE_STRUCT_CTOR_ARG_I( \
  320. R, ATTRIBUTE_TUPLE_SIZE, I, ATTRIBUTE) \
  321. \
  322. BOOST_PP_COMMA_IF(I) \
  323. boost::call_traits< \
  324. BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE,0,ATTRIBUTE) \
  325. >::param_type BOOST_PP_CAT(_,I)
  326. #define BOOST_FUSION_DEFINE_STRUCT_CTOR_N( \
  327. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  328. \
  329. BOOST_FUSION_GPU_ENABLED \
  330. NAME(BOOST_PP_SEQ_FOR_EACH_I_R( \
  331. 1, \
  332. BOOST_FUSION_DEFINE_STRUCT_CTOR_ARG_I, \
  333. ATTRIBUTE_TUPLE_SIZE, \
  334. ATTRIBUTES_SEQ)) \
  335. : BOOST_PP_SEQ_FOR_EACH_I_R( \
  336. 1, \
  337. BOOST_FUSION_DEFINE_STRUCT_CTOR_FILLER_I, \
  338. ATTRIBUTE_TUPLE_SIZE, \
  339. ATTRIBUTES_SEQ) \
  340. {}
  341. #define BOOST_FUSION_DEFINE_STRUCT_CTOR( \
  342. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  343. \
  344. BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \
  345. BOOST_FUSION_DEFINE_STRUCT_CTOR_N, \
  346. BOOST_FUSION_DEFINE_STRUCT_CTOR_1)( \
  347. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  348. #define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR( \
  349. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  350. \
  351. BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \
  352. BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_N, \
  353. BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_1)( \
  354. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  355. #define BOOST_FUSION_DEFINE_NONEMPTY_STRUCT_IMPL( \
  356. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  357. \
  358. BOOST_FUSION_DEFINE_STRUCT_IMPL_IMPL( \
  359. NAME, BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), ATTRIBUTE_TUPLE_SIZE) \
  360. \
  361. BOOST_FUSION_DEFINE_STRUCT_CTOR( \
  362. NAME, BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), ATTRIBUTE_TUPLE_SIZE)
  363. #define BOOST_FUSION_DEFINE_EMPTY_STRUCT_IMPL( \
  364. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  365. #define BOOST_FUSION_DEFINE_STRUCT_IMPL( \
  366. NAMESPACE_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  367. \
  368. BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_BEGIN(NAMESPACE_SEQ) \
  369. \
  370. struct NAME \
  371. { \
  372. typedef NAME self_type; \
  373. \
  374. BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \
  375. BOOST_FUSION_DEFINE_NONEMPTY_STRUCT_IMPL, \
  376. BOOST_FUSION_DEFINE_EMPTY_STRUCT_IMPL)( \
  377. NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  378. }; \
  379. \
  380. BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_END(NAMESPACE_SEQ)
  381. #define BOOST_FUSION_DEFINE_NONEMPTY_TPL_STRUCT_IMPL( \
  382. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE) \
  383. \
  384. BOOST_FUSION_DEFINE_STRUCT_IMPL_IMPL( \
  385. NAME, BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), ATTRIBUTE_TUPLE_SIZE) \
  386. \
  387. BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR( \
  388. TEMPLATE_PARAMS_SEQ, \
  389. NAME, \
  390. BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), \
  391. ATTRIBUTE_TUPLE_SIZE)
  392. #define BOOST_FUSION_DEFINE_EMPTY_TPL_STRUCT_IMPL( \
  393. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)
  394. #define BOOST_FUSION_DEFINE_TPL_STRUCT_IMPL( \
  395. TEMPLATE_PARAMS_SEQ, \
  396. NAMESPACE_SEQ, \
  397. NAME, \
  398. ATTRIBUTES_SEQ, \
  399. ATTRIBUTE_TUPLE_SIZE) \
  400. \
  401. BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_BEGIN(NAMESPACE_SEQ) \
  402. \
  403. template< \
  404. BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS_IMPL( \
  405. (0)TEMPLATE_PARAMS_SEQ) \
  406. > \
  407. struct NAME \
  408. { \
  409. typedef NAME self_type; \
  410. \
  411. BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \
  412. BOOST_FUSION_DEFINE_NONEMPTY_TPL_STRUCT_IMPL, \
  413. BOOST_FUSION_DEFINE_EMPTY_TPL_STRUCT_IMPL)( \
  414. TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPLE_SIZE)\
  415. }; \
  416. \
  417. BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_END(NAMESPACE_SEQ)
  418. namespace boost { namespace fusion { namespace detail
  419. {
  420. template<typename A1, typename A2>
  421. struct get_first_arg
  422. {
  423. typedef A1 type;
  424. };
  425. }}}
  426. #endif