| // Copyright David Abrahams 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_MATCH_DWA2005714_HPP |
| # define BOOST_PARAMETER_MATCH_DWA2005714_HPP |
| |
| # include <boost/detail/workaround.hpp> |
| # include <boost/preprocessor/seq/enum.hpp> |
| |
| # if BOOST_WORKAROUND(__MWERKS__, <= 0x3003) |
| // Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround. |
| # define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq |
| # define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq) |
| # else |
| # define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq) |
| # endif |
| |
| # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
| |
| # include <boost/parameter/config.hpp> |
| # include <boost/parameter/aux_/void.hpp> |
| # include <boost/preprocessor/arithmetic/sub.hpp> |
| # include <boost/preprocessor/facilities/intercept.hpp> |
| # include <boost/preprocessor/repetition/enum_trailing_params.hpp> |
| |
| # define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \ |
| BOOST_PP_ENUM_TRAILING_PARAMS( \ |
| BOOST_PP_SUB( \ |
| BOOST_PARAMETER_MAX_ARITY \ |
| , BOOST_PP_SEQ_SIZE(ArgTypes) \ |
| ) \ |
| , ::boost::parameter::void_ BOOST_PP_INTERCEPT \ |
| ) |
| |
| # else |
| |
| # define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) |
| |
| # endif |
| |
| // |
| // Generates, e.g. |
| // |
| // typename dfs_params::match<A1,A2>::type name = dfs_params() |
| // |
| // with workarounds for Borland compatibility. |
| // |
| |
| # define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name) \ |
| typename ParameterSpec ::match< \ |
| BOOST_PARAMETER_SEQ_ENUM(ArgTypes) \ |
| BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \ |
| >::type name = ParameterSpec () |
| |
| #endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP |