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54 lines
1.7 KiB
54 lines
1.7 KiB
/*============================================================================= |
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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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