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/*=============================================================================
Copyright (c) 2005-2006 Joao Abecasis
Copyright (c) 2006-2007 Tobias Schwinger
Use modification and distribution are subject to 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_FUNCTIONAL_INVOCATION_INVOKE_PROCEDURE_HPP_INCLUDED)
#if !defined(BOOST_PP_IS_ITERATING)
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/preprocessor/arithmetic/dec.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_shifted.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_shifted_params.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/mpl/front.hpp>
#include <boost/function_types/is_callable_builtin.hpp>
#include <boost/function_types/is_member_function_pointer.hpp>
#include <boost/function_types/parameter_types.hpp>
#include <boost/fusion/support/category_of.hpp>
#include <boost/fusion/support/detail/enabler.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/iterator/next.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/fusion/functional/invocation/limits.hpp>
#include <boost/fusion/functional/invocation/detail/that_ptr.hpp>
namespace boost { namespace fusion
{
namespace detail
{
namespace ft = function_types;
template<
typename Function, class Sequence,
int N = result_of::size<Sequence>::value,
bool MFP = ft::is_member_function_pointer<Function>::value,
bool RandomAccess = traits::is_random_access<Sequence>::value
>
struct invoke_procedure_impl;
#define BOOST_PP_FILENAME_1 \
<boost/fusion/functional/invocation/invoke_procedure.hpp>
#define BOOST_PP_ITERATION_LIMITS \
(0, BOOST_FUSION_INVOKE_PROCEDURE_MAX_ARITY)
#include BOOST_PP_ITERATE()
}
namespace result_of
{
template <typename Function, class Sequence, class Enable = void>
struct invoke_procedure;
template <typename Function, class Sequence>
struct invoke_procedure<Function, Sequence,
typename detail::enabler<
typename detail::invoke_procedure_impl<
typename boost::remove_reference<Function>::type,Sequence
>::result_type
>::type>
{
typedef void type;
};
}
template <typename Function, class Sequence>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::invoke_procedure<Function, Sequence>::type
invoke_procedure(Function f, Sequence & s)
{
detail::invoke_procedure_impl<
typename boost::remove_reference<Function>::type,Sequence
>::call(f,s);
}
template <typename Function, class Sequence>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline typename result_of::invoke_procedure<Function, Sequence const>::type
invoke_procedure(Function f, Sequence const & s)
{
detail::invoke_procedure_impl<
typename boost::remove_reference<Function>::type,Sequence const
>::call(f,s);
}
}}
#define BOOST_FUSION_FUNCTIONAL_INVOCATION_INVOKE_PROCEDURE_HPP_INCLUDED
#else // defined(BOOST_PP_IS_ITERATING)
///////////////////////////////////////////////////////////////////////////////
//
// Preprocessor vertical repetition code
//
///////////////////////////////////////////////////////////////////////////////
#define N BOOST_PP_ITERATION()
#define M(z,j,data) fusion::at_c<j>(s)
template <typename Function, class Sequence>
struct invoke_procedure_impl<Function,Sequence,N,false,true>
{
typedef void result_type;
#if N > 0
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static inline void call(Function & f, Sequence & s)
{
f(BOOST_PP_ENUM(N,M,~));
}
#else
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static inline void call(Function & f, Sequence & /*s*/)
{
f();
}
#endif
};
#if N > 0
template <typename Function, class Sequence>
struct invoke_procedure_impl<Function,Sequence,N,true,true>
{
typedef void result_type;
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static inline void call(Function & f, Sequence & s)
{
(that_ptr<typename mpl::front<
ft::parameter_types<Function> >::type
>::get(fusion::at_c<0>(s))->*f)(BOOST_PP_ENUM_SHIFTED(N,M,~));
}
};
#endif
#undef M
#define M(z,j,data) \
typedef typename result_of::next< BOOST_PP_CAT(I,BOOST_PP_DEC(j)) \
>::type I ## j ; \
I##j i##j = fusion::next(BOOST_PP_CAT(i,BOOST_PP_DEC(j)));
template <typename Function, class Sequence>
struct invoke_procedure_impl<Function,Sequence,N,false,false>
{
typedef void result_type;
#if N > 0
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static inline void call(Function & f, Sequence & s)
{
typedef typename result_of::begin<Sequence>::type I0;
I0 i0 = fusion::begin(s);
BOOST_PP_REPEAT_FROM_TO(1,N,M,~)
f( BOOST_PP_ENUM_PARAMS(N,*i) );
}
#else
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static inline void call(Function & f, Sequence & /*s*/)
{
f();
}
#endif
};
#if N > 0
template <typename Function, class Sequence>
struct invoke_procedure_impl<Function,Sequence,N,true,false>
{
typedef void result_type;
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static inline void call(Function & f, Sequence & s)
{
typedef typename result_of::begin<Sequence>::type I0;
I0 i0 = fusion::begin(s);
BOOST_PP_REPEAT_FROM_TO(1,N,M,~)
(that_ptr<typename mpl::front<
ft::parameter_types<Function> >::type
>::get(*i0)->*f)(BOOST_PP_ENUM_SHIFTED_PARAMS(N,*i));
}
};
#endif
#undef M
#undef N
#endif // defined(BOOST_PP_IS_ITERATING)
#endif
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