/*============================================================================= | |
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_HPP_INCLUDED) | |
#if !defined(BOOST_PP_IS_ITERATING) | |
#include <boost/preprocessor/cat.hpp> | |
#include <boost/preprocessor/iteration/iterate.hpp> | |
#include <boost/preprocessor/repetition/enum_params.hpp> | |
#include <boost/preprocessor/repetition/enum_binary_params.hpp> | |
#include <boost/preprocessor/facilities/intercept.hpp> | |
#include <boost/utility/result_of.hpp> | |
#include <boost/config.hpp> | |
#include <boost/fusion/container/vector/vector.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, bool AllowNullary = true> | |
class unfused; | |
//----- ---- --- -- - - - - | |
template <class Function> | |
class unfused<Function,true> | |
: public unfused<Function,false> | |
{ | |
typedef typename detail::qf_c<Function>::type function_c; | |
typedef typename detail::qf<Function>::type function; | |
typedef typename detail::call_param<Function>::type func_const_fwd_t; | |
public: | |
using unfused<Function,false>::operator(); | |
inline explicit unfused(func_const_fwd_t f = function()) | |
: unfused<Function,false>(f) | |
{ } | |
typedef typename boost::result_of< | |
function_c(fusion::vector0<> &) >::type call_const_0_result; | |
inline call_const_0_result operator()() const | |
{ | |
fusion::vector0<> arg; | |
return this->fnc_transformed(arg); | |
} | |
typedef typename boost::result_of< | |
function(fusion::vector0<> &) >::type call_0_result; | |
inline call_0_result operator()() | |
{ | |
fusion::vector0<> arg; | |
return this->fnc_transformed(arg); | |
} | |
}; | |
template <class Function> class unfused<Function,false> | |
{ | |
protected: | |
Function fnc_transformed; | |
typedef typename detail::qf_c<Function>::type function_c; | |
typedef typename detail::qf<Function>::type function; | |
typedef typename detail::call_param<Function>::type func_const_fwd_t; | |
public: | |
inline explicit unfused(func_const_fwd_t f = function()) | |
: fnc_transformed(f) | |
{ } | |
template <typename Sig> | |
struct result; | |
#define BOOST_PP_FILENAME_1 \ | |
<boost/fusion/functional/adapter/unfused.hpp> | |
#define BOOST_PP_ITERATION_LIMITS \ | |
(1,BOOST_FUSION_UNFUSED_MAX_ARITY) | |
#include BOOST_PP_ITERATE() | |
}; | |
}} | |
#if defined (BOOST_MSVC) | |
# pragma warning(pop) | |
#endif | |
namespace boost | |
{ | |
template<class F> | |
struct result_of< boost::fusion::unfused<F> const () > | |
{ | |
typedef typename boost::fusion::unfused<F>::call_const_0_result type; | |
}; | |
template<class F> | |
struct result_of< boost::fusion::unfused<F>() > | |
{ | |
typedef typename boost::fusion::unfused<F>::call_0_result type; | |
}; | |
} | |
#define BOOST_FUSION_FUNCTIONAL_ADAPTER_UNFUSED_HPP_INCLUDED | |
#else // defined(BOOST_PP_IS_ITERATING) | |
//////////////////////////////////////////////////////////////////////////////// | |
// | |
// Preprocessor vertical repetition code | |
// | |
//////////////////////////////////////////////////////////////////////////////// | |
#define N BOOST_PP_ITERATION() | |
template <class Self, BOOST_PP_ENUM_PARAMS(N,typename T)> | |
struct result< Self const (BOOST_PP_ENUM_PARAMS(N,T)) > | |
: boost::result_of< function_c( | |
BOOST_PP_CAT(fusion::vector,N)< BOOST_PP_ENUM_BINARY_PARAMS(N, | |
typename detail::mref<T,>::type BOOST_PP_INTERCEPT) > & )> | |
{ }; | |
template <class Self, BOOST_PP_ENUM_PARAMS(N,typename T)> | |
struct result< Self(BOOST_PP_ENUM_PARAMS(N,T)) > | |
: boost::result_of< function( | |
BOOST_PP_CAT(fusion::vector,N)< BOOST_PP_ENUM_BINARY_PARAMS(N, | |
typename detail::mref<T,>::type BOOST_PP_INTERCEPT) > & )> | |
{ }; | |
template <BOOST_PP_ENUM_PARAMS(N,typename T)> | |
inline typename boost::result_of<function_c(BOOST_PP_CAT(fusion::vector,N) | |
<BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT)> & )>::type | |
operator()(BOOST_PP_ENUM_BINARY_PARAMS(N,T,& a)) const | |
{ | |
BOOST_PP_CAT(fusion::vector,N)< | |
BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT) > | |
arg(BOOST_PP_ENUM_PARAMS(N,a)); | |
return this->fnc_transformed(arg); | |
} | |
template <BOOST_PP_ENUM_PARAMS(N,typename T)> | |
inline typename boost::result_of<function(BOOST_PP_CAT(fusion::vector,N) | |
<BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT)> & )>::type | |
operator()(BOOST_PP_ENUM_BINARY_PARAMS(N,T,& a)) | |
{ | |
BOOST_PP_CAT(fusion::vector,N)< | |
BOOST_PP_ENUM_BINARY_PARAMS(N,T,& BOOST_PP_INTERCEPT) > | |
arg(BOOST_PP_ENUM_PARAMS(N,a)); | |
return this->fnc_transformed(arg); | |
} | |
#undef N | |
#endif // defined(BOOST_PP_IS_ITERATING) | |
#endif | |