[12] | 1 | // Copyright David Abrahams 2005. Distributed under the Boost |
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| 2 | // Software License, Version 1.0. (See accompanying |
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| 3 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 4 | #ifndef BOOST_PARAMETER_MATCH_DWA2005714_HPP |
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| 5 | # define BOOST_PARAMETER_MATCH_DWA2005714_HPP |
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| 6 | |
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| 7 | # include <boost/detail/workaround.hpp> |
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| 8 | # include <boost/preprocessor/seq/enum.hpp> |
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| 9 | |
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| 10 | # if BOOST_WORKAROUND(__MWERKS__, <= 0x3003) |
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| 11 | // Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround. |
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| 12 | # define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq |
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| 13 | # define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq) |
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| 14 | # else |
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| 15 | # define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq) |
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| 16 | # endif |
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| 17 | |
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| 18 | # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
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| 19 | |
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| 20 | # include <boost/parameter/config.hpp> |
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| 21 | # include <boost/parameter/aux_/void.hpp> |
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| 22 | # include <boost/preprocessor/arithmetic/sub.hpp> |
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| 23 | # include <boost/preprocessor/facilities/intercept.hpp> |
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| 24 | # include <boost/preprocessor/repetition/enum_trailing_params.hpp> |
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| 25 | |
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| 26 | # define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \ |
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| 27 | BOOST_PP_ENUM_TRAILING_PARAMS( \ |
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| 28 | BOOST_PP_SUB( \ |
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| 29 | BOOST_PARAMETER_MAX_ARITY \ |
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| 30 | , BOOST_PP_SEQ_SIZE(ArgTypes) \ |
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| 31 | ) \ |
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| 32 | , ::boost::parameter::aux::void_ BOOST_PP_INTERCEPT \ |
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| 33 | ) |
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| 34 | |
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| 35 | # else |
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| 36 | |
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| 37 | # define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) |
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| 38 | |
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| 39 | # endif |
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| 40 | |
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| 41 | // |
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| 42 | // Generates, e.g. |
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| 43 | // |
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| 44 | // typename dfs_params::match<A1,A2>::type name = dfs_params() |
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| 45 | // |
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| 46 | // with workarounds for Borland compatibility. |
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| 47 | // |
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| 48 | |
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| 49 | # define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name) \ |
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| 50 | typename ParameterSpec ::match< \ |
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| 51 | BOOST_PARAMETER_SEQ_ENUM(ArgTypes) \ |
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| 52 | BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \ |
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| 53 | >::type name = ParameterSpec () |
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| 54 | |
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| 55 | #endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP |
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