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baking segmented Fusion

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[SVN r73854]
This commit is contained in:
Eric Niebler
2011-08-17 18:53:56 +00:00
parent 2baebc560a
commit 528ad04fdb
86 changed files with 1403 additions and 1041 deletions
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14
include/boost/fusion/sequence/intrinsic/detail/segmented_begin.hpp
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@@ -7,13 +7,11 @@
#if !defined(BOOST_FUSION_SEGMENTED_BEGIN_HPP_INCLUDED)
#define BOOST_FUSION_SEGMENTED_BEGIN_HPP_INCLUDED
#include <boost/fusion/iterator/segmented_iterator/detail/begin_impl.hpp>
#include <boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp>
#include <boost/fusion/iterator/segmented_iterator.hpp>
namespace boost { namespace fusion
namespace boost { namespace fusion { namespace detail
{
template<typename Context>
struct segmented_iterator;
//auto segmented_begin( rng )
//{
// return make_segmented_iterator( segmented_begin_impl( rng, nil ) );
@@ -24,17 +22,17 @@ namespace boost { namespace fusion
{
typedef
segmented_iterator<
typename detail::segmented_begin_impl<Range, fusion::nil>::type
typename segmented_begin_impl<Range, fusion::nil>::type
>
type;
static type call(Range & rng)
{
return type(
detail::segmented_begin_impl<Range, fusion::nil>::call(rng, fusion::nil()));
segmented_begin_impl<Range, fusion::nil>::call(rng, fusion::nil()));
}
};
}}
}}}
#endif

108
include/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp Normal file
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@@ -0,0 +1,108 @@
/*=============================================================================
Copyright (c) 2011 Eric Niebler
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)
==============================================================================*/
#if !defined(BOOST_FUSION_SEGMENTED_BEGIN_IMPL_HPP_INCLUDED)
#define BOOST_FUSION_SEGMENTED_BEGIN_IMPL_HPP_INCLUDED
#include <boost/type_traits/remove_const.hpp>
#include <boost/fusion/container/list/cons_fwd.hpp>
#include <boost/fusion/sequence/intrinsic_fwd.hpp>
#include <boost/fusion/support/is_segmented.hpp>
#include <boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp>
#include <boost/fusion/support/detail/segmented_fold_until_impl.hpp>
namespace boost { namespace fusion
{
template <typename First, typename Last>
struct iterator_range;
}}
namespace boost { namespace fusion { namespace detail
{
struct segmented_begin_fun
{
template <typename Sig>
struct result;
template <typename This, typename Range, typename State, typename Context>
struct result<This(Range&, State&, Context&)>
{
typedef
iterator_range<
typename fusion::result_of::begin<Range>::type,
typename fusion::result_of::end<Range>::type
>
range_type;
typedef
fusion::result<
cons<range_type, typename remove_const<Context>::type>,
fusion::break_
>
type;
};
template <typename Range, typename State, typename Context>
typename result<segmented_begin_fun(Range&, State const&, Context const&)>::type
operator()(Range& rng, State const&, Context const& context) const
{
typedef
iterator_range<
typename fusion::result_of::begin<Range>::type,
typename fusion::result_of::end<Range>::type
>
range_type;
return cons<range_type, Context>(range_type(fusion::begin(rng), fusion::end(rng)), context);
}
};
template <typename Range, typename Stack, bool IsSegmented = traits::is_segmented<Range>::type::value>
struct segmented_begin_impl_aux
{
typedef
segmented_end_impl<Range, Stack>
end_impl;
typedef
segmented_fold_until_impl<
Range,
result<typename end_impl::type, continue_>,
Stack,
segmented_begin_fun
>
fold_impl;
typedef typename fold_impl::type::value_type type;
static type call(Range& rng, Stack const& stack)
{
return fold_impl::call(rng, end_impl::call(rng, stack), stack, segmented_begin_fun()).value;
}
};
template <typename Range, typename Stack>
struct segmented_begin_impl_aux<Range, Stack, false>
{
typedef typename result_of::begin<Range>::type begin_type;
typedef typename result_of::end<Range>::type end_type;
typedef iterator_range<begin_type, end_type> pair_type;
typedef cons<pair_type, Stack> type;
static type call(Range& rng, Stack stack)
{
return type(pair_type(fusion::begin(rng), fusion::end(rng)), stack);
}
};
template <typename Range, typename Stack>
struct segmented_begin_impl
: segmented_begin_impl_aux<Range, Stack>
{};
}}}
#endif

16
include/boost/fusion/sequence/intrinsic/detail/segmented_end.hpp
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@@ -7,14 +7,12 @@
#if !defined(BOOST_FUSION_SEGMENTED_END_HPP_INCLUDED)
#define BOOST_FUSION_SEGMENTED_END_HPP_INCLUDED
#include <boost/fusion/container/list/cons.hpp>
#include <boost/fusion/iterator/segmented_iterator/detail/end_impl.hpp>
#include <boost/fusion/container/list/cons_fwd.hpp>
#include <boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp>
#include <boost/fusion/iterator/segmented_iterator.hpp>
namespace boost { namespace fusion
namespace boost { namespace fusion { namespace detail
{
template<typename Context>
struct segmented_iterator;
//auto segmented_end( rng )
//{
// return make_segmented_iterator( segmented_end_impl( rng ) );
@@ -25,17 +23,17 @@ namespace boost { namespace fusion
{
typedef
segmented_iterator<
typename detail::segmented_end_impl<Range, fusion::nil>::type
typename segmented_end_impl<Range, fusion::nil>::type
>
type;
static type call(Range & rng)
{
return type(
detail::segmented_end_impl<Range, fusion::nil>::call(rng, fusion::nil()));
segmented_end_impl<Range, fusion::nil>::call(rng, fusion::nil()));
}
};
}}
}}}
#endif

59
include/boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp Normal file
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@@ -0,0 +1,59 @@
/*=============================================================================
Copyright (c) 2011 Eric Niebler
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)
==============================================================================*/
#if !defined(BOOST_FUSION_SEGMENTED_END_IMPL_HPP_INCLUDED)
#define BOOST_FUSION_SEGMENTED_END_IMPL_HPP_INCLUDED
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/fusion/sequence/intrinsic_fwd.hpp>
#include <boost/fusion/container/list/cons_fwd.hpp>
#include <boost/fusion/support/is_segmented.hpp>
namespace boost { namespace fusion
{
template <typename First, typename Last>
struct iterator_range;
}}
namespace boost { namespace fusion { namespace detail
{
//auto segmented_end_impl( rng, stack )
//{
// assert(is_segmented(rng));
// auto it = end(segments(rng));
// return cons(iterator_range(it, it), stack);
//}
template<typename Range, typename Stack>
struct segmented_end_impl
{
BOOST_MPL_ASSERT((traits::is_segmented<Range>));
typedef
typename result_of::end<
typename remove_reference<
typename add_const<
typename result_of::segments<Range>::type
>::type
>::type
>::type
end_type;
typedef iterator_range<end_type, end_type> pair_type;
typedef cons<pair_type, Stack> type;
static type call(Range & rng, Stack stack)
{
end_type end = fusion::end(fusion::segments(rng));
return type(pair_type(end, end), stack);
}
};
}}}
#endif

48
include/boost/fusion/sequence/intrinsic/detail/segmented_size.hpp
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@@ -13,48 +13,42 @@
#include <boost/mpl/plus.hpp>
#include <boost/mpl/size_t.hpp>
#include <boost/mpl/placeholders.hpp>
#include <boost/fusion/sequence/intrinsic_fwd.hpp>
#include <boost/fusion/mpl/begin.hpp>
#include <boost/fusion/mpl/end.hpp>
#include <boost/fusion/mpl/clear.hpp>
#include <boost/fusion/mpl/push_front.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/segments.hpp>
#include <boost/fusion/support/is_segmented.hpp>
namespace boost { namespace fusion
namespace boost { namespace fusion { namespace detail
{
///////////////////////////////////////////////////////////////////////////
// calculates the size of any segmented data structure.
template<typename Sequence>
struct segmented_size;
namespace detail
{
///////////////////////////////////////////////////////////////////////////
template<typename Sequence, bool IsSegmented = traits::is_segmented<Sequence>::value>
struct segmented_size_impl
: mpl::fold<
typename remove_reference<
typename add_const<
typename result_of::segments<Sequence>::type
>::type
>::type,
mpl::size_t<0>,
mpl::plus<mpl::_1, segmented_size<mpl::_2> >
>::type
{};
///////////////////////////////////////////////////////////////////////////
template<typename Sequence, bool IsSegmented = traits::is_segmented<Sequence>::value>
struct segmented_size_impl
: mpl::fold<
typename remove_reference<
typename add_const<
typename result_of::segments<Sequence>::type
>::type
>::type,
mpl::size_t<0>,
mpl::plus<mpl::_1, segmented_size<mpl::_2> >
>::type
{};
template<typename Sequence>
struct segmented_size_impl<Sequence, false>
: result_of::size<Sequence>::type
{};
}
template<typename Sequence>
struct segmented_size_impl<Sequence, false>
: result_of::size<Sequence>::type
{};
template<typename Sequence>
struct segmented_size
: detail::segmented_size_impl<Sequence>
: segmented_size_impl<Sequence>
{};
}}
}}}
#endif