1 /*============================================================================= 2 Copyright (c) 2013-2014 Damien Buhl 3 4 Distributed under the Boost Software License, Version 1.0. (See accompanying 5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 ==============================================================================*/ 7 8 #ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ASSOC_ATTR_FILLER_HPP 9 #define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ASSOC_ATTR_FILLER_HPP 10 11 #include <boost/config.hpp> 12 13 #include <boost/fusion/adapted/struct/detail/adapt_auto.hpp> 14 #include <boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp> 15 16 #include <boost/mpl/aux_/preprocessor/token_equal.hpp> 17 18 #include <boost/preprocessor/config/config.hpp> 19 #include <boost/preprocessor/control/iif.hpp> 20 #include <boost/preprocessor/arithmetic/dec.hpp> 21 #include <boost/preprocessor/variadic/size.hpp> 22 #include <boost/preprocessor/variadic/elem.hpp> 23 24 #if BOOST_PP_VARIADICS 25 26 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0(...) \ 27 BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(__VA_ARGS__) \ 28 BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1 29 30 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1(...) \ 31 BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(__VA_ARGS__) \ 32 BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0 33 34 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(...) \ 35 BOOST_PP_IIF( \ 36 BOOST_MPL_PP_TOKEN_EQUAL(auto, BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__)), \ 37 ((2, \ 38 (BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__), \ 39 BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__)))), \ 40 ((BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \ 41 (__VA_ARGS__))) \ 42 ) 43 44 #else // BOOST_PP_VARIADICS 45 46 47 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0(X, Y, Z) \ 48 BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(X, Y, Z) \ 49 BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1 50 51 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1(X, Y, Z) \ 52 BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(X, Y, Z) \ 53 BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0 54 55 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(X, Y, Z) \ 56 BOOST_PP_IIF(BOOST_MPL_PP_TOKEN_EQUAL(auto, X), \ 57 ((2, (Y,Z))), \ 58 ((3, (X,Y,Z))) \ 59 ) 60 61 #endif // BOOST_PP_VARIADICS 62 63 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0_END 64 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1_END 65 66 67 #define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAPPEDATTR_GET_KEY(ATTRIBUTE) \ 68 BOOST_PP_TUPLE_ELEM( \ 69 BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE), \ 70 BOOST_PP_DEC(BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE)), \ 71 BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR(ATTRIBUTE)) 72 73 #endif 74