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- /*=============================================================================
- Copyright (c) 2009 Hartmut Kaiser
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #ifndef BOOST_PP_IS_ITERATING
- #if !defined(BOOST_FUSION_NVIEW_IMPL_SEP_23_2009_1017PM)
- #define BOOST_FUSION_NVIEW_IMPL_SEP_23_2009_1017PM
- #include <climits>
- #include <boost/preprocessor/cat.hpp>
- #include <boost/preprocessor/repeat.hpp>
- #include <boost/preprocessor/iterate.hpp>
- #include <boost/preprocessor/repetition/enum_params.hpp>
- #include <boost/preprocessor/repetition/enum_binary_params.hpp>
- #include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
- #include <boost/mpl/vector_c.hpp>
- #include <boost/fusion/adapted/mpl.hpp>
- #include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
- #define BOOST_PP_ITERATION_PARAMS_1 \
- (3, (1, FUSION_MAX_VECTOR_SIZE, \
- "boost/fusion/view/nview/detail/cpp03/nview_impl.hpp")) \
- /**/
- ///////////////////////////////////////////////////////////////////////////////
- namespace boost { namespace fusion { namespace result_of
- {
- template <typename Sequence
- , BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(FUSION_MAX_VECTOR_SIZE, int I, INT_MAX)>
- struct as_nview
- {
- typedef mpl::vector_c<
- int, BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, I)
- > index_type;
- typedef nview<Sequence, index_type> type;
- };
- }}}
- #include BOOST_PP_ITERATE()
- #endif
- ///////////////////////////////////////////////////////////////////////////////
- // Preprocessor vertical repetition code
- ///////////////////////////////////////////////////////////////////////////////
- #else // defined(BOOST_PP_IS_ITERATING)
- #define N BOOST_PP_ITERATION()
- #if N < FUSION_MAX_VECTOR_SIZE
- namespace boost { namespace fusion { namespace result_of
- {
- template <typename Sequence, BOOST_PP_ENUM_PARAMS(N, int I)>
- struct as_nview<Sequence, BOOST_PP_ENUM_PARAMS(N, I)>
- {
- typedef mpl::vector_c<int, BOOST_PP_ENUM_PARAMS(N, I)> index_type;
- typedef nview<Sequence, index_type> type;
- };
- }}}
- #endif
- namespace boost { namespace fusion
- {
- template<BOOST_PP_ENUM_PARAMS(N, int I), typename Sequence>
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- inline nview<Sequence, mpl::vector_c<int, BOOST_PP_ENUM_PARAMS(N, I)> >
- as_nview(Sequence& s)
- {
- typedef mpl::vector_c<int, BOOST_PP_ENUM_PARAMS(N, I)> index_type;
- return nview<Sequence, index_type>(s);
- }
- }}
- #undef N
- #endif
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