Chris@16: // Copyright David Abrahams 2005. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef BOOST_PARAMETER_MATCH_DWA2005714_HPP
Chris@16: # define BOOST_PARAMETER_MATCH_DWA2005714_HPP
Chris@16: 
Chris@16: # include <boost/detail/workaround.hpp>
Chris@16: # include <boost/preprocessor/seq/enum.hpp>
Chris@16: 
Chris@16: # if BOOST_WORKAROUND(__MWERKS__, <= 0x3003)
Chris@16: // Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround.
Chris@16: #  define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq
Chris@16: #  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq)
Chris@16: # else
Chris@16: #  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq)
Chris@16: # endif 
Chris@16: 
Chris@16: # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
Chris@16: 
Chris@16: #  include <boost/parameter/config.hpp>
Chris@16: #  include <boost/parameter/aux_/void.hpp>
Chris@16: #  include <boost/preprocessor/arithmetic/sub.hpp>
Chris@16: #  include <boost/preprocessor/facilities/intercept.hpp>
Chris@16: #  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
Chris@16: 
Chris@16: #  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)              \
Chris@16:         BOOST_PP_ENUM_TRAILING_PARAMS(                          \
Chris@16:             BOOST_PP_SUB(                                       \
Chris@16:                 BOOST_PARAMETER_MAX_ARITY                       \
Chris@16:               , BOOST_PP_SEQ_SIZE(ArgTypes)                     \
Chris@16:             )                                                   \
Chris@16:           , ::boost::parameter::void_ BOOST_PP_INTERCEPT   \
Chris@16:         )
Chris@16: 
Chris@16: # else
Chris@16: 
Chris@16: #  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)
Chris@16: 
Chris@16: # endif 
Chris@16: 
Chris@16: //
Chris@16: // Generates, e.g.
Chris@16: //
Chris@16: //    typename dfs_params::match<A1,A2>::type name = dfs_params()
Chris@16: //
Chris@16: // with workarounds for Borland compatibility.
Chris@16: //
Chris@16: 
Chris@16: # define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name)   \
Chris@16:     typename ParameterSpec ::match<                             \
Chris@16:         BOOST_PARAMETER_SEQ_ENUM(ArgTypes)                      \
Chris@16:         BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)                \
Chris@16:     >::type name = ParameterSpec ()
Chris@16: 
Chris@16: #endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP