55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2001-2011 Hartmut Kaiser
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_SPIRIT_LOCALS_APRIL_03_2007_0506PM)
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#define BOOST_SPIRIT_LOCALS_APRIL_03_2007_0506PM
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/mpl/bool.hpp>
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#if !defined(BOOST_SPIRIT_MAX_LOCALS_SIZE)
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# define BOOST_SPIRIT_MAX_LOCALS_SIZE 10
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#else
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# if BOOST_SPIRIT_MAX_LOCALS_SIZE < 3
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# undef BOOST_SPIRIT_MAX_LOCALS_SIZE
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# define BOOST_SPIRIT_MAX_LOCALS_SIZE 10
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# endif
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#endif
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namespace boost { namespace spirit
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{
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///////////////////////////////////////////////////////////////////////////
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template <
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BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
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BOOST_SPIRIT_MAX_LOCALS_SIZE, typename T, mpl::na)
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>
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struct locals
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: mpl::vector<BOOST_PP_ENUM_PARAMS(BOOST_SPIRIT_MAX_LOCALS_SIZE, T)> {};
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///////////////////////////////////////////////////////////////////////////
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namespace detail
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{
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template <typename T>
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struct is_locals
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: mpl::false_
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{};
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template <BOOST_PP_ENUM_PARAMS(BOOST_SPIRIT_MAX_LOCALS_SIZE, typename T)>
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struct is_locals<locals<BOOST_PP_ENUM_PARAMS(BOOST_SPIRIT_MAX_LOCALS_SIZE, T)> >
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: mpl::true_
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{};
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}
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}}
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#endif
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