// Copyright Daniel Wallin 2005. Use, modification and distribution is // 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) #ifndef BOOST_PARAMETER_INVOKER_051210_HPP # define BOOST_PARAMETER_INVOKER_051210_HPP # include <boost/mpl/begin.hpp> # include <boost/mpl/next.hpp> # include <boost/mpl/deref.hpp> # include <boost/mpl/size.hpp> # include <boost/parameter/keyword.hpp> # include <boost/preprocessor/iteration/iterate.hpp> namespace boost { namespace parameter { namespace python { namespace aux { template <long Arity, class M, class R, class Args> struct invoker; template <class M, class R> struct make_invoker { template <class Args> struct apply { typedef invoker< mpl::size<Args>::value, M, R, Args > type; }; }; template <long Arity, class M, class R, class T, class Args> struct member_invoker; template <class M, class R, class T> struct make_member_invoker { template <class Args> struct apply { typedef member_invoker< mpl::size<Args>::value, M, R, T, Args > type; }; }; template <long Arity, class T, class R, class Args> struct call_invoker; template <class T, class R> struct make_call_invoker { template <class Args> struct apply { typedef call_invoker< mpl::size<Args>::value, T, R, Args > type; }; }; template <long Arity, class T, class Args> struct init_invoker; template <class T> struct make_init_invoker { template <class Args> struct apply { typedef init_invoker< mpl::size<Args>::value, T, Args > type; }; }; template <class M, class R, class Args> struct invoker<0, M, R, Args> { static R execute() { return M()(boost::type<R>()); } }; template <class M, class R, class T, class Args> struct member_invoker<0, M, R, T, Args> { static R execute(T& self) { return M()(boost::type<R>(), self); } }; template <class T, class R, class Args> struct call_invoker<0, T, R, Args> { static R execute(T& self) { return self(); } }; template <class T, class Args> struct init_invoker<0, T, Args> { static T* execute(T& self) { return new T; } }; # define BOOST_PP_ITERATION_PARAMS_1 (4, \ (1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 1)) # include BOOST_PP_ITERATE() # define BOOST_PP_ITERATION_PARAMS_1 (4, \ (1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 2)) # include BOOST_PP_ITERATE() # define BOOST_PP_ITERATION_PARAMS_1 (4, \ (1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 3)) # include BOOST_PP_ITERATE() # define BOOST_PP_ITERATION_PARAMS_1 (4, \ (1, BOOST_PARAMETER_MAX_ARITY, <boost/parameter/aux_/python/invoker_iterate.hpp>, 4)) # include BOOST_PP_ITERATE() }}}} // namespace boost::parameter::python::aux #endif // BOOST_PARAMETER_INVOKER_051210_HPP