82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
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#ifndef BOOST_METAPARSE_V1_CPP98_ONE_OF_C_HPP
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#define BOOST_METAPARSE_V1_CPP98_ONE_OF_C_HPP
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// Copyright Abel Sinkovics (abel@sinkovics.hu) 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/metaparse/v1/one_of.hpp>
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#include <boost/metaparse/v1/lit_c.hpp>
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#include <boost/metaparse/limit_one_of_size.hpp>
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#include <boost/preprocessor/arithmetic/sub.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/punctuation/comma_if.hpp>
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#include <boost/preprocessor/repetition/enum.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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#include <boost/preprocessor/tuple/eat.hpp>
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#include <climits>
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namespace boost
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{
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namespace metaparse
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{
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namespace v1
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{
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#ifdef BOOST_NO_SCALAR_VALUE
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# error BOOST_NO_SCALAR_VALUE already defined
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#endif
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#define BOOST_NO_SCALAR_VALUE LONG_MAX
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template <
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BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
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BOOST_METAPARSE_LIMIT_ONE_OF_SIZE,
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long C,
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BOOST_NO_SCALAR_VALUE
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)
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>
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struct one_of_c;
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#ifdef BOOST_METAPARSE_ONE_OF_C_LIT
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# error BOOST_METAPARSE_ONE_OF_C_LIT already defined
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#endif
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#define BOOST_METAPARSE_ONE_OF_C_LIT(z, n, unused) lit_c<BOOST_PP_CAT(C, n)>
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#ifdef BOOST_METAPARSE_ONE_OF_C_CASE
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# error BOOST_METAPARSE_ONE_OF_C_CASE already defined
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#endif
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#define BOOST_METAPARSE_ONE_OF_C_CASE(z, n, unused) \
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template <BOOST_PP_ENUM_PARAMS(n, long C)> \
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struct \
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one_of_c< \
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BOOST_PP_ENUM_PARAMS(n, C) \
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BOOST_PP_COMMA_IF(n) \
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BOOST_PP_ENUM( \
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BOOST_PP_SUB(BOOST_METAPARSE_LIMIT_ONE_OF_SIZE, n), \
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BOOST_NO_SCALAR_VALUE BOOST_PP_TUPLE_EAT(3), \
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~ \
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) \
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> : \
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one_of< BOOST_PP_ENUM(n, BOOST_METAPARSE_ONE_OF_C_LIT, ~) > \
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{};
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BOOST_PP_REPEAT(
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BOOST_METAPARSE_LIMIT_ONE_OF_SIZE,
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BOOST_METAPARSE_ONE_OF_C_CASE,
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~
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)
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#undef BOOST_METAPARSE_ONE_OF_C_CASE
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#undef BOOST_METAPARSE_ONE_OF_C_LIT
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#undef BOOST_NO_SCALAR_VALUE
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}
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}
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}
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#endif
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