v1/cpp98/one_char_except.hpp

0001 #ifndef BOOST_METAPARSE_V1_CPP98_ONE_CHAR_EXCEPT_HPP
0002 #define BOOST_METAPARSE_V1_CPP98_ONE_CHAR_EXCEPT_HPP
0003
0004 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2011.
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/error/unexpected_character.hpp>
0010 #include <boost/metaparse/v1/cpp98/impl/is_none.hpp>
0011 #include <boost/metaparse/v1/cpp98/impl/one_char_except_not_used.hpp>
0012 #include <boost/metaparse/v1/one_char.hpp>
0013 #include <boost/metaparse/v1/accept_when.hpp>
0014 #include <boost/metaparse/limit_one_char_except_size.hpp>
0015
0016 #include <boost/preprocessor/cat.hpp>
0017 #include <boost/preprocessor/arithmetic/dec.hpp>
0018 #include <boost/preprocessor/arithmetic/mul.hpp>
0019 #include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
0020 #include <boost/preprocessor/repetition/repeat.hpp>
0021 #include <boost/preprocessor/repetition/enum.hpp>
0022 #include <boost/preprocessor/punctuation/comma_if.hpp>
0023 #include <boost/preprocessor/tuple/eat.hpp>
0024
0025 namespace boost
0026 {
0027   namespace metaparse
0028   {
0029     namespace v1
0030     {
0031       template <
0032         BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
0033           BOOST_METAPARSE_LIMIT_ONE_CHAR_EXCEPT_SIZE,
0034           class C,
0035           impl::one_char_except_not_used
0036         )
0037       >
0038       struct one_char_except;
0039
0040       #ifdef MPLLBIS_METAPARSE_ONE_CHAR_EXCEPT_CASE
0041       #  error MPLLBIS_METAPARSE_ONE_CHAR_EXCEPT_CASE already defined
0042       #endif
0043       #define MPLLBIS_METAPARSE_ONE_CHAR_EXCEPT_CASE(z, n, unused) \
0044         template <BOOST_PP_ENUM_PARAMS(n, class T)> \
0045         struct one_char_except< \
0046           BOOST_PP_ENUM_PARAMS(n, T) \
0047           BOOST_PP_COMMA_IF( \
0048             BOOST_PP_MUL( \
0049               n, \
0050               BOOST_PP_SUB( \
0051                 BOOST_PP_DEC(BOOST_METAPARSE_LIMIT_ONE_CHAR_EXCEPT_SIZE), \
0052                 n \
0053               ) \
0054             ) \
0055           ) \
0056           BOOST_PP_ENUM( \
0057             BOOST_PP_SUB( \
0058               BOOST_PP_DEC(BOOST_METAPARSE_LIMIT_ONE_CHAR_EXCEPT_SIZE), \
0059               n \
0060             ), \
0061             impl::one_char_except_not_used BOOST_PP_TUPLE_EAT(3), \
0062             ~ \
0063           ) \
0064         > :\
0065           accept_when< \
0066             one_char, \
0067             impl::BOOST_PP_CAT(is_none, n)<BOOST_PP_ENUM_PARAMS(n, T)>, \
0068             error::unexpected_character \
0069           > \
0070         {};
0071
0072       BOOST_PP_REPEAT(
0073         BOOST_METAPARSE_LIMIT_ONE_CHAR_EXCEPT_SIZE,
0074         MPLLBIS_METAPARSE_ONE_CHAR_EXCEPT_CASE,
0075         ~
0076       )
0077
0078       #undef MPLLBIS_METAPARSE_ONE_CHAR_EXCEPT_CASE
0079     }
0080   }
0081 }
0082
0083 #endif
0084