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Merge pull request #190 from boostorg/cleanup/filter_view

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Cleanup filter_view to improve performance
This commit is contained in:
Kohei Takahashi
2018-08-02 12:53:08 +09:00
committed by GitHub
parent 95b4500898 48f8af3e73
commit b8fafe04d9
4 changed files with 18 additions and 43 deletions
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29
include/boost/fusion/algorithm/query/detail/find_if.hpp
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@ -2,6 +2,7 @@
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2007 Dan Marsden
Copyright (c) 2009 Christopher Schmidt
Copyright (c) 2018 Kohei Takahashi
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)
@ -13,7 +14,6 @@
#include <boost/mpl/apply.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/mpl/lambda.hpp>
#include <boost/mpl/or.hpp>
#include <boost/fusion/iterator/advance.hpp>
#include <boost/fusion/iterator/distance.hpp>
@ -22,10 +22,9 @@
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
#include <boost/fusion/support/category_of.hpp>
#include <boost/core/enable_if.hpp>
namespace boost { namespace fusion {
struct random_access_traversal_tag;
namespace detail
namespace boost { namespace fusion { namespace detail
{
template <typename Iterator, typename Pred>
struct apply_filter
@ -178,8 +177,8 @@ namespace detail
choose_find_if<
First
, Last
, typename mpl::lambda<Pred>::type
, is_base_of<random_access_traversal_tag, typename traits::category_of<First>::type>::value
, Pred
, traits::is_random_access<First>::value
>::type
type;
@ -208,31 +207,23 @@ namespace detail
return recursive_call(iter, found());
}
template <typename Iterator, typename Tag>
template <typename Iterator>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
choose_call(Iterator const& iter, Tag)
static typename boost::disable_if<traits::is_random_access<Iterator>, type>::type
iter_call(Iterator const& iter)
{
return recursive_call(iter);
}
template <typename Iterator>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
choose_call(Iterator const& iter, random_access_traversal_tag)
static typename boost::enable_if<traits::is_random_access<Iterator>, type>::type
iter_call(Iterator const& iter)
{
typedef typename result_of::distance<Iterator, type>::type N;
return fusion::advance<N>(iter);
}
template <typename Iterator>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
iter_call(Iterator const& iter)
{
return choose_call(iter, typename traits::category_of<Iterator>::type());
}
template <typename Sequence>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type

4
include/boost/fusion/algorithm/transformation/remove_if.hpp
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@ -1,7 +1,8 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2018 Kohei Takahashi
Distributed under the Boost Software License, Version 1.0. (See accompanying
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(FUSION_REMOVE_IF_07162005_0818)
@ -10,7 +11,6 @@
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/view/filter_view/filter_view.hpp>
#include <boost/mpl/not.hpp>
#include <boost/type_traits/is_same.hpp>
namespace boost { namespace fusion
{

26
include/boost/fusion/view/filter_view/detail/next_impl.hpp
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@ -1,5 +1,6 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2018 Kohei Takahashi
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)
@ -8,14 +9,10 @@
#define FUSION_NEXT_IMPL_06052005_0900
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/algorithm/query/detail/find_if.hpp>
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/iterator/next.hpp>
#include <boost/fusion/iterator/equal_to.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/mpl/lambda.hpp>
#include <boost/mpl/quote.hpp>
#include <boost/mpl/bind.hpp>
#include <boost/mpl/placeholders.hpp>
namespace boost { namespace fusion
{
@ -48,26 +45,13 @@ namespace boost { namespace fusion
>::type
next_type;
typedef typename
detail::static_find_if<
next_type
, last_type
, mpl::bind1<
typename mpl::lambda<pred_type>::type
, mpl::bind1<mpl::quote1<result_of::value_of>,mpl::_1>
>
>
filter;
typedef filter_iterator<
category, typename filter::type, last_type, pred_type>
type;
typedef filter_iterator<category, next_type, last_type, pred_type> type;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static type
call(Iterator const& i)
{
return type(filter::iter_call(i.first));
return type(fusion::next(i.first));
}
};
};

2
include/boost/fusion/view/filter_view/filter_view_iterator.hpp
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@ -1,5 +1,6 @@
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2018 Kohei Takahashi
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)
@ -9,7 +10,6 @@
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/support/iterator_base.hpp>
#include <boost/fusion/algorithm/query/detail/find_if.hpp>