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/*=============================================================================
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_ADAPTER_UNFUSED_TYPED_HPP_INCLUDED)
#if !defined(BOOST_PP_IS_ITERATING)
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/config.hpp>
#include <boost/utility/result_of.hpp>
#include <boost/fusion/support/detail/access.hpp>
#include <boost/fusion/sequence/intrinsic/value_at.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/vector/convert.hpp>
#include <boost/fusion/functional/adapter/limits.hpp>
#include <boost/fusion/functional/adapter/detail/access.hpp>
#if defined (BOOST_MSVC)
# pragma warning(push)
# pragma warning (disable: 4512) // assignment operator could not be generated.
#endif
namespace boost { namespace fusion
{
template <class Function, class Sequence> class unfused_typed;
//----- ---- --- -- - - - -
namespace detail
{
template <class Derived, class Function,
class Sequence, long Arity>
struct unfused_typed_impl;
}
template <class Function, class Sequence>
class unfused_typed
: public detail::unfused_typed_impl
< unfused_typed<Function,Sequence>, Function, Sequence,
result_of::size<Sequence>::value >
{
Function fnc_transformed;
template <class D, class F, class S, long A>
friend struct detail::unfused_typed_impl;
typedef typename detail::call_param<Function>::type func_const_fwd_t;
public:
inline explicit unfused_typed(func_const_fwd_t f = Function())
: fnc_transformed(f)
{ }
};
#define BOOST_PP_FILENAME_1 <boost/fusion/functional/adapter/unfused_typed.hpp>
#define BOOST_PP_ITERATION_LIMITS (0,BOOST_FUSION_UNFUSED_TYPED_MAX_ARITY)
#include BOOST_PP_ITERATE()
}}
#if defined (BOOST_MSVC)
# pragma warning(pop)
#endif
namespace boost
{
#if !defined(BOOST_RESULT_OF_USE_DECLTYPE) || defined(BOOST_NO_DECLTYPE)
template<class F, class Seq>
struct result_of< boost::fusion::unfused_typed<F,Seq> const () >
: boost::fusion::unfused_typed<F,Seq>::template result<
boost::fusion::unfused_typed<F,Seq> const () >
{ };
template<class F, class Seq>
struct result_of< boost::fusion::unfused_typed<F,Seq>() >
: boost::fusion::unfused_typed<F,Seq>::template result<
boost::fusion::unfused_typed<F,Seq> () >
{ };
#endif
template<class F, class Seq>
struct tr1_result_of< boost::fusion::unfused_typed<F,Seq> const () >
: boost::fusion::unfused_typed<F,Seq>::template result<
boost::fusion::unfused_typed<F,Seq> const () >
{ };
template<class F, class Seq>
struct tr1_result_of< boost::fusion::unfused_typed<F,Seq>() >
: boost::fusion::unfused_typed<F,Seq>::template result<
boost::fusion::unfused_typed<F,Seq> () >
{ };
}
#define BOOST_FUSION_FUNCTIONAL_ADAPTER_UNFUSED_TYPED_HPP_INCLUDED
#else // defined(BOOST_PP_IS_ITERATING)
///////////////////////////////////////////////////////////////////////////////
//
// Preprocessor vertical repetition code
//
///////////////////////////////////////////////////////////////////////////////
#define N BOOST_PP_ITERATION()
namespace detail
{
template <class Derived, class Function, class Sequence>
struct unfused_typed_impl<Derived,Function,Sequence,N>
{
typedef typename detail::qf_c<Function>::type function_c;
typedef typename detail::qf<Function>::type function;
typedef typename result_of::as_vector<Sequence>::type arg_vector_t;
public:
#define M(z,i,s) \
typename call_param<typename result_of::value_at_c<s,i>::type>::type a##i
inline typename boost::result_of<
function_c(arg_vector_t &) >::type
operator()(BOOST_PP_ENUM(N,M,arg_vector_t)) const
{
#if N > 0
arg_vector_t arg(BOOST_PP_ENUM_PARAMS(N,a));
#else
arg_vector_t arg;
#endif
return static_cast<Derived const *>(this)->fnc_transformed(arg);
}
inline typename boost::result_of<
function(arg_vector_t &) >::type
operator()(BOOST_PP_ENUM(N,M,arg_vector_t))
{
#if N > 0
arg_vector_t arg(BOOST_PP_ENUM_PARAMS(N,a));
#else
arg_vector_t arg;
#endif
return static_cast<Derived *>(this)->fnc_transformed(arg);
}
#undef M
template <typename Sig> struct result { typedef void type; };
template <class Self BOOST_PP_ENUM_TRAILING_PARAMS(N,typename T)>
struct result< Self const (BOOST_PP_ENUM_PARAMS(N,T)) >
: boost::result_of< function_c(arg_vector_t &) >
{ };
template <class Self BOOST_PP_ENUM_TRAILING_PARAMS(N,typename T)>
struct result< Self (BOOST_PP_ENUM_PARAMS(N,T)) >
: boost::result_of< function(arg_vector_t &) >
{ };
};
} // namespace detail
#undef N
#endif // defined(BOOST_PP_IS_ITERATING)
#endif
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