projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2011 Eric Niebler | |
| 3 | ||
| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | ==============================================================================*/ | |
| 7 | #if !defined(BOOST_FUSION_SEGMENTED_BEGIN_IMPL_HPP_INCLUDED) | |
| 8 | #define BOOST_FUSION_SEGMENTED_BEGIN_IMPL_HPP_INCLUDED | |
| 9 | ||
| 10 | #include <boost/fusion/support/config.hpp> | |
| 11 | #include <boost/type_traits/remove_const.hpp> | |
| 12 | #include <boost/fusion/container/list/cons_fwd.hpp> | |
| 13 | #include <boost/fusion/sequence/intrinsic_fwd.hpp> | |
| 14 | #include <boost/fusion/support/is_segmented.hpp> | |
| 15 | #include <boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp> | |
| 16 | #include <boost/fusion/support/detail/segmented_fold_until_impl.hpp> | |
| 17 | ||
| 18 | namespace boost { namespace fusion | |
| 19 | { | |
| 20 | template <typename First, typename Last> | |
| 21 | struct iterator_range; | |
| 22 | }} | |
| 23 | ||
| 24 | namespace boost { namespace fusion { namespace detail | |
| 25 | { | |
| 26 | struct segmented_begin_fun | |
| 27 | { | |
| 28 | template <typename Sequence, typename State, typename Context> | |
| 29 | struct apply | |
| 30 | { | |
| 31 | typedef | |
| 32 | iterator_range< | |
| 33 | typename fusion::result_of::begin<Sequence>::type | |
| 34 | , typename fusion::result_of::end<Sequence>::type | |
| 35 | > | |
| 36 | range_type; | |
| 37 | ||
| 38 | typedef cons<range_type, Context> type; | |
| 39 | typedef mpl::false_ continue_type; | |
| 40 | ||
| 41 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 42 | static type call(Sequence& seq, State const&, Context const& context, segmented_begin_fun) | |
| 43 | { | |
| 44 | return type(range_type(fusion::begin(seq), fusion::end(seq)), context); | |
| 45 | } | |
| 46 | }; | |
| 47 | }; | |
| 48 | ||
| 49 | template <typename Sequence, typename Stack, bool IsSegmented = traits::is_segmented<Sequence>::type::value> | |
| 50 | struct segmented_begin_impl_aux | |
| 51 | { | |
| 52 | typedef | |
| 53 | segmented_end_impl<Sequence, Stack> | |
| 54 | end_impl; | |
| 55 | ||
| 56 | typedef | |
| 57 | segmented_fold_until_impl< | |
| 58 | Sequence | |
| 59 | , typename end_impl::type | |
| 60 | , Stack | |
| 61 | , segmented_begin_fun | |
| 62 | > | |
| 63 | fold_impl; | |
| 64 | ||
| 65 | typedef typename fold_impl::type type; | |
| 66 | ||
| 67 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 68 | static type call(Sequence& seq, Stack const& stack) | |
| 69 | { | |
| 70 | return fold_impl::call(seq, end_impl::call(seq, stack), stack, segmented_begin_fun()); | |
| 71 | } | |
| 72 | }; | |
| 73 | ||
| 74 | template <typename Sequence, typename Stack> | |
| 75 | struct segmented_begin_impl_aux<Sequence, Stack, false> | |
| 76 | { | |
| 77 | typedef typename result_of::begin<Sequence>::type begin_type; | |
| 78 | typedef typename result_of::end<Sequence>::type end_type; | |
| 79 | typedef iterator_range<begin_type, end_type> pair_type; | |
| 80 | typedef cons<pair_type, Stack> type; | |
| 81 | ||
| 82 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 83 | static type call(Sequence& seq, Stack stack) | |
| 84 | { | |
| 85 | return type(pair_type(fusion::begin(seq), fusion::end(seq)), stack); | |
| 86 | } | |
| 87 | }; | |
| 88 | ||
| 89 | template <typename Sequence, typename Stack> | |
| 90 | struct segmented_begin_impl | |
| 91 | : segmented_begin_impl_aux<Sequence, Stack> | |
| 92 | {}; | |
| 93 | ||
| 94 | }}} | |
| 95 | ||
| 96 | #endif |