sl@0: // Copyright David Abrahams 2005. Distributed under the Boost
sl@0: // Software License, Version 1.0. (See accompanying
sl@0: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
sl@0: #ifndef BOOST_PARAMETER_MATCH_DWA2005714_HPP
sl@0: # define BOOST_PARAMETER_MATCH_DWA2005714_HPP
sl@0: 
sl@0: # include <boost/detail/workaround.hpp>
sl@0: # include <boost/preprocessor/seq/enum.hpp>
sl@0: 
sl@0: # if BOOST_WORKAROUND(__MWERKS__, <= 0x3003)
sl@0: // Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround.
sl@0: #  define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq
sl@0: #  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq)
sl@0: # else
sl@0: #  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq)
sl@0: # endif 
sl@0: 
sl@0: # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
sl@0: 
sl@0: #  include <boost/parameter/config.hpp>
sl@0: #  include <boost/parameter/aux_/void.hpp>
sl@0: #  include <boost/preprocessor/arithmetic/sub.hpp>
sl@0: #  include <boost/preprocessor/facilities/intercept.hpp>
sl@0: #  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
sl@0: 
sl@0: #  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)              \
sl@0:         BOOST_PP_ENUM_TRAILING_PARAMS(                          \
sl@0:             BOOST_PP_SUB(                                       \
sl@0:                 BOOST_PARAMETER_MAX_ARITY                       \
sl@0:               , BOOST_PP_SEQ_SIZE(ArgTypes)                     \
sl@0:             )                                                   \
sl@0:           , ::boost::parameter::void_ BOOST_PP_INTERCEPT   \
sl@0:         )
sl@0: 
sl@0: # else
sl@0: 
sl@0: #  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)
sl@0: 
sl@0: # endif 
sl@0: 
sl@0: //
sl@0: // Generates, e.g.
sl@0: //
sl@0: //    typename dfs_params::match<A1,A2>::type name = dfs_params()
sl@0: //
sl@0: // with workarounds for Borland compatibility.
sl@0: //
sl@0: 
sl@0: # define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name)   \
sl@0:     typename ParameterSpec ::match<                             \
sl@0:         BOOST_PARAMETER_SEQ_ENUM(ArgTypes)                      \
sl@0:         BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)                \
sl@0:     >::type name = ParameterSpec ()
sl@0: 
sl@0: #endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP