cpp98/impl/sequence.hpp

0001 #ifndef BOOST_METAPARSE_V1_CPP98_IMPL_SEQUENCE_HPP
0002 #define BOOST_METAPARSE_V1_CPP98_IMPL_SEQUENCE_HPP
0003
0004 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2013.
0005 // Distributed under the Boost Software License, Version 1.0.
0006 //    (See accompanying file LICENSE_1_0.txt or copy at
0007 //          http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #include <boost/metaparse/v1/cpp98/impl/sequence_impl.hpp>
0010 #include <boost/metaparse/limit_sequence_size.hpp>
0011
0012 #include <boost/mpl/vector.hpp>
0013
0014 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
0015 #include <boost/preprocessor/repetition/enum_params.hpp>
0016 #include <boost/preprocessor/cat.hpp>
0017
0018 namespace boost
0019 {
0020   namespace metaparse
0021   {
0022     namespace v1
0023     {
0024       namespace impl
0025       {
0026         #ifdef BOOST_METAPARSE_SEQUENCE_CASE
0027         #  error BOOST_METAPARSE_SEQUENCE_CASE already defined
0028         #endif
0029         #define BOOST_METAPARSE_SEQUENCE_CASE(z, n, unused) \
0030           template <BOOST_PP_ENUM_PARAMS(n, class P)> \
0031           struct BOOST_PP_CAT(sequence, n) \
0032           { \
0033             typedef BOOST_PP_CAT(sequence, n) type; \
0034             \
0035             template <class S, class Pos> \
0036             struct apply : \
0037               sequence_impl< \
0038                 boost::mpl::vector<BOOST_PP_ENUM_PARAMS(n, P)>, \
0039                 S, \
0040                 Pos \
0041               > \
0042             {}; \
0043           };
0044
0045         BOOST_PP_REPEAT_FROM_TO(
0046           1,
0047           BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE,
0048           BOOST_METAPARSE_SEQUENCE_CASE,
0049           ~
0050         )
0051
0052         #undef BOOST_METAPARSE_SEQUENCE_CASE
0053       }
0054     }
0055   }
0056 }
0057
0058 #endif
0059