| // 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) |
| |
| #include <boost/preprocessor/cat.hpp> |
| #include <boost/preprocessor/dec.hpp> |
| #include <boost/preprocessor/repetition/enum_binary_params.hpp> |
| #include <boost/preprocessor/repetition/repeat_from_to.hpp> |
| |
| #define N BOOST_PP_ITERATION() |
| |
| #define BOOST_PARAMETER_PY_ARG_TYPES(z, n, _) \ |
| typedef typename mpl::next< \ |
| BOOST_PP_CAT(iter,BOOST_PP_DEC(n)) \ |
| >::type BOOST_PP_CAT(iter,n); \ |
| \ |
| typedef typename mpl::deref<BOOST_PP_CAT(iter,n)>::type BOOST_PP_CAT(spec,n); \ |
| typedef typename mpl::if_< \ |
| mpl::and_< \ |
| mpl::not_<typename BOOST_PP_CAT(spec,n)::required> \ |
| , typename BOOST_PP_CAT(spec,n)::optimized_default \ |
| > \ |
| , parameter::aux::maybe<typename BOOST_PP_CAT(spec,n)::type> \ |
| , typename BOOST_PP_CAT(spec,n)::type \ |
| >::type BOOST_PP_CAT(arg,n); \ |
| typedef typename BOOST_PP_CAT(spec,n)::keyword BOOST_PP_CAT(kw,n); |
| |
| #if BOOST_PP_ITERATION_FLAGS() == 1 |
| template <class M, class R, class Args> |
| struct invoker<N, M, R, Args> |
| #elif BOOST_PP_ITERATION_FLAGS() == 2 |
| template <class T, class R, class Args> |
| struct call_invoker<N, T, R, Args> |
| #elif BOOST_PP_ITERATION_FLAGS() == 3 |
| template <class T, class Args> |
| struct init_invoker<N, T, Args> |
| #elif BOOST_PP_ITERATION_FLAGS() == 4 |
| template <class M, class R, class T, class Args> |
| struct member_invoker<N, M, R, T, Args> |
| #endif |
| { |
| typedef typename mpl::begin<Args>::type iter0; |
| typedef typename mpl::deref<iter0>::type spec0; |
| typedef typename mpl::if_< |
| mpl::and_< |
| mpl::not_<typename spec0::required> |
| , typename spec0::optimized_default |
| > |
| , parameter::aux::maybe<typename spec0::type> |
| , typename spec0::type |
| >::type arg0; |
| typedef typename spec0::keyword kw0; |
| |
| BOOST_PP_REPEAT_FROM_TO(1, N, BOOST_PARAMETER_PY_ARG_TYPES, ~) |
| |
| static |
| #if BOOST_PP_ITERATION_FLAGS() == 3 |
| T* |
| #else |
| R |
| #endif |
| execute( |
| #if BOOST_PP_ITERATION_FLAGS() == 2 || BOOST_PP_ITERATION_FLAGS() == 4 |
| T& self |
| , |
| #endif |
| BOOST_PP_ENUM_BINARY_PARAMS(N, arg, a) |
| ) |
| { |
| return |
| #if BOOST_PP_ITERATION_FLAGS() == 1 || BOOST_PP_ITERATION_FLAGS() == 4 |
| M()( |
| boost::type<R>() |
| # if BOOST_PP_ITERATION_FLAGS() == 4 |
| , self |
| # endif |
| , BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a) |
| ); |
| #elif BOOST_PP_ITERATION_FLAGS() == 2 |
| self( |
| BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a) |
| ); |
| #elif BOOST_PP_ITERATION_FLAGS() == 3 |
| new T( |
| BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a) |
| ); |
| #endif |
| } |
| }; |
| |
| #undef BOOST_PARAMETER_PY_ARG_TYPES |
| #undef N |
| |