Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001-2011 Joel de Guzman
Chris@16:     Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(BOOST_SPIRIT_LOCALS_APRIL_03_2007_0506PM)
Chris@16: #define BOOST_SPIRIT_LOCALS_APRIL_03_2007_0506PM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
Chris@16: #include <boost/preprocessor/repetition/enum_params.hpp>
Chris@16: #include <boost/mpl/vector.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: 
Chris@16: #if !defined(BOOST_SPIRIT_MAX_LOCALS_SIZE)
Chris@16: # define BOOST_SPIRIT_MAX_LOCALS_SIZE 10
Chris@16: #else
Chris@16: # if BOOST_SPIRIT_MAX_LOCALS_SIZE < 3
Chris@16: #   undef BOOST_SPIRIT_MAX_LOCALS_SIZE
Chris@16: #   define BOOST_SPIRIT_MAX_LOCALS_SIZE 10
Chris@16: # endif
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace spirit
Chris@16: {
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <
Chris@16:         BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
Chris@16:             BOOST_SPIRIT_MAX_LOCALS_SIZE, typename T, mpl::na)
Chris@16:     >
Chris@16:     struct locals
Chris@16:       : mpl::vector<BOOST_PP_ENUM_PARAMS(BOOST_SPIRIT_MAX_LOCALS_SIZE, T)> {};
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     namespace detail
Chris@16:     {
Chris@16:         template <typename T>
Chris@16:         struct is_locals
Chris@16:           : mpl::false_
Chris@16:         {};
Chris@16: 
Chris@16:         template <BOOST_PP_ENUM_PARAMS(BOOST_SPIRIT_MAX_LOCALS_SIZE, typename T)>
Chris@16:         struct is_locals<locals<BOOST_PP_ENUM_PARAMS(BOOST_SPIRIT_MAX_LOCALS_SIZE, T)> >
Chris@16:           : mpl::true_
Chris@16:         {};
Chris@16:     }
Chris@16: }}
Chris@16: 
Chris@16: #endif