123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143 |
- // Copyright Daniel Wallin 2005.
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_PARAMETER_AUX_PREPROCESSOR_IMPL_FLATTEN_HPP
- #define BOOST_PARAMETER_AUX_PREPROCESSOR_IMPL_FLATTEN_HPP
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT_required required,
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT_optional optional,
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT_deduced deduced,
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_IDENTITY(x) x
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC0_DUMMY_ELEM(z, n, data) ~
- #include <boost/preprocessor/cat.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT(sub) \
- BOOST_PP_CAT(BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT_, sub)
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_AS_DEDUCED(x) \
- BOOST_PP_CAT(deduced_, x)
- /**/
- #include <boost/preprocessor/detail/split.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_QUALIFIER(sub) \
- BOOST_PP_SPLIT(0, BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT(sub))
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_ARGS(sub) \
- BOOST_PP_SPLIT(1, BOOST_PARAMETER_AUX_PP_FLATTEN_SPLIT(sub))
- /**/
- #include <boost/preprocessor/tuple/elem.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_ARITY_optional(arities) \
- BOOST_PP_TUPLE_ELEM(3, 0, arities)
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_ARITY_required(arities) \
- BOOST_PP_TUPLE_ELEM(3, 1, arities)
- /**/
- #include <boost/preprocessor/arithmetic/sub.hpp>
- #include <boost/preprocessor/repetition/enum_trailing.hpp>
- #include <boost/preprocessor/tuple/rem.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC0(r, n, elem, data) \
- (( \
- BOOST_PP_TUPLE_ELEM(3, 2, data) \
- , BOOST_PP_TUPLE_REM(BOOST_PP_TUPLE_ELEM(3, 0, data)) elem \
- BOOST_PP_ENUM_TRAILING( \
- BOOST_PP_SUB( \
- BOOST_PP_TUPLE_ELEM(3, 1, data) \
- , BOOST_PP_TUPLE_ELEM(3, 0, data) \
- ) \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC0_DUMMY_ELEM \
- , ~ \
- ) \
- ))
- /**/
- #include <boost/parameter/aux_/preprocessor/impl/for_each.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_AUX( \
- r, arity, max_arity, spec, xform \
- ) \
- BOOST_PARAMETER_AUX_PP_FOR_EACH_R( \
- r \
- , arity \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_ARGS(spec) \
- , ( \
- arity \
- , max_arity \
- , xform(BOOST_PARAMETER_AUX_PP_FLATTEN_QUALIFIER(spec)) \
- ) \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC0 \
- )
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_optional(r, arities, spec) \
- BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_AUX( \
- r \
- , BOOST_PP_CAT( \
- BOOST_PARAMETER_AUX_PP_FLATTEN_ARITY_ \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_QUALIFIER(spec) \
- )(arities) \
- , BOOST_PP_TUPLE_ELEM(3, 2, arities) \
- , spec \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_IDENTITY \
- )
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_required(r, arities, spec) \
- BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_optional(r, arities, spec)
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_deduced_M(r, arities, n, spec) \
- BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_AUX( \
- r \
- , BOOST_PP_CAT( \
- BOOST_PARAMETER_AUX_PP_FLATTEN_ARITY_ \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_QUALIFIER(spec) \
- )(arities) \
- , BOOST_PP_TUPLE_ELEM(3, 2, arities) \
- , spec \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_AS_DEDUCED \
- )
- /**/
- #include <boost/preprocessor/seq/for_each_i.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_deduced(r, arities, spec) \
- BOOST_PP_SEQ_FOR_EACH_I_R( \
- r \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_deduced_M \
- , arities \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_ARGS(spec) \
- )
- /**/
- #define BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC(r, arities, spec) \
- BOOST_PP_CAT( \
- BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC_ \
- , BOOST_PARAMETER_AUX_PP_FLATTEN_QUALIFIER(spec) \
- )(r, arities, spec)
- /**/
- #include <boost/preprocessor/seq/for_each.hpp>
- #define BOOST_PARAMETER_AUX_PP_FLATTEN( \
- opt_arity, req_arity, wanted_arity, specs \
- ) \
- BOOST_PP_SEQ_FOR_EACH( \
- BOOST_PARAMETER_AUX_PP_FLATTEN_SPEC \
- , (opt_arity, req_arity, wanted_arity) \
- , specs \
- )
- /**/
- #endif // include guard
|