| // 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 |
| |