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_ATTR_FILLER_HPP
9#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_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/preprocessor/is_seq.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/control/expr_iif.hpp>
21#include <boost/preprocessor/logical/compl.hpp>
22#include <boost/preprocessor/tuple/elem.hpp>
23#include <boost/preprocessor/seq/for_each.hpp>
24#include <boost/preprocessor/seq/push_front.hpp>
25#include <boost/preprocessor/facilities/expand.hpp>
26#include <boost/preprocessor/facilities/is_empty.hpp>
27
28
29#define BOOST_FUSION_ADAPT_STRUCT_FILLER_0(X, Y) \
30 BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X,Y) \
31 BOOST_FUSION_ADAPT_STRUCT_FILLER_1
32
33#define BOOST_FUSION_ADAPT_STRUCT_FILLER_1(X, Y) \
34 BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X,Y) \
35 BOOST_FUSION_ADAPT_STRUCT_FILLER_0
36
37#define BOOST_FUSION_ADAPT_STRUCT_FILLER_0_END
38#define BOOST_FUSION_ADAPT_STRUCT_FILLER_1_END
39
40#define BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X, Y) \
41 BOOST_PP_IIF(BOOST_MPL_PP_TOKEN_EQUAL(auto, BOOST_PP_EXPAND(X)), \
42 ((1, (Y))), \
43 ((2, (X,Y))) \
44 )
45
46#define BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE) \
47 BOOST_PP_TUPLE_ELEM(2, 0, ATTRIBUTE)
48
49#define BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR(ATTRIBUTE) \
50 BOOST_PP_TUPLE_ELEM(2, 1, ATTRIBUTE)
51
52
53#if BOOST_PP_VARIADICS
54
55# define BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER_OP(r, unused, elem) \
56 BOOST_PP_IIF(BOOST_FUSION_PP_IS_SEQ(elem), \
57 BOOST_PP_CAT(BOOST_FUSION_ADAPT_STRUCT_FILLER_0 elem ,_END), \
58 BOOST_PP_EXPR_IIF(BOOST_PP_COMPL(BOOST_PP_IS_EMPTY(elem)), \
59 BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(auto, elem)))
60
61# define BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER(VA_ARGS_SEQ) \
62 BOOST_PP_SEQ_PUSH_FRONT( \
63 BOOST_PP_SEQ_FOR_EACH( \
64 BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER_OP, \
65 unused, VA_ARGS_SEQ), \
66 (0,0))
67
68#endif // BOOST_PP_VARIADICS
69
70#endif
71