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93 lines
2.9 KiB
93 lines
2.9 KiB
// Copyright Daniel Wallin 2005. Use, modification and distribution is |
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// subject to the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#include <boost/preprocessor/cat.hpp> |
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#include <boost/preprocessor/dec.hpp> |
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#include <boost/preprocessor/repetition/enum_binary_params.hpp> |
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#include <boost/preprocessor/repetition/repeat_from_to.hpp> |
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#define N BOOST_PP_ITERATION() |
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#define BOOST_PARAMETER_PY_ARG_TYPES(z, n, _) \ |
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typedef typename mpl::next< \ |
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BOOST_PP_CAT(iter,BOOST_PP_DEC(n)) \ |
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>::type BOOST_PP_CAT(iter,n); \ |
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\ |
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typedef typename mpl::deref<BOOST_PP_CAT(iter,n)>::type BOOST_PP_CAT(spec,n); \ |
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typedef typename mpl::if_< \ |
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mpl::and_< \ |
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mpl::not_<typename BOOST_PP_CAT(spec,n)::required> \ |
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, typename BOOST_PP_CAT(spec,n)::optimized_default \ |
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> \ |
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, parameter::aux::maybe<typename BOOST_PP_CAT(spec,n)::type> \ |
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, typename BOOST_PP_CAT(spec,n)::type \ |
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>::type BOOST_PP_CAT(arg,n); \ |
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typedef typename BOOST_PP_CAT(spec,n)::keyword BOOST_PP_CAT(kw,n); |
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#if BOOST_PP_ITERATION_FLAGS() == 1 |
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template <class M, class R, class Args> |
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struct invoker<N, M, R, Args> |
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#elif BOOST_PP_ITERATION_FLAGS() == 2 |
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template <class T, class R, class Args> |
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struct call_invoker<N, T, R, Args> |
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#elif BOOST_PP_ITERATION_FLAGS() == 3 |
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template <class T, class Args> |
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struct init_invoker<N, T, Args> |
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#elif BOOST_PP_ITERATION_FLAGS() == 4 |
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template <class M, class R, class T, class Args> |
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struct member_invoker<N, M, R, T, Args> |
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#endif |
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{ |
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typedef typename mpl::begin<Args>::type iter0; |
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typedef typename mpl::deref<iter0>::type spec0; |
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typedef typename mpl::if_< |
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mpl::and_< |
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mpl::not_<typename spec0::required> |
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, typename spec0::optimized_default |
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> |
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, parameter::aux::maybe<typename spec0::type> |
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, typename spec0::type |
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>::type arg0; |
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typedef typename spec0::keyword kw0; |
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BOOST_PP_REPEAT_FROM_TO(1, N, BOOST_PARAMETER_PY_ARG_TYPES, ~) |
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static |
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#if BOOST_PP_ITERATION_FLAGS() == 3 |
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T* |
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#else |
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R |
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#endif |
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execute( |
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#if BOOST_PP_ITERATION_FLAGS() == 2 || BOOST_PP_ITERATION_FLAGS() == 4 |
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T& self |
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, |
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#endif |
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BOOST_PP_ENUM_BINARY_PARAMS(N, arg, a) |
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) |
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{ |
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return |
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#if BOOST_PP_ITERATION_FLAGS() == 1 || BOOST_PP_ITERATION_FLAGS() == 4 |
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M()( |
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boost::type<R>() |
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# if BOOST_PP_ITERATION_FLAGS() == 4 |
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, self |
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# endif |
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, BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a) |
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); |
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#elif BOOST_PP_ITERATION_FLAGS() == 2 |
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self( |
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BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a) |
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); |
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#elif BOOST_PP_ITERATION_FLAGS() == 3 |
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new T( |
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BOOST_PP_ENUM_BINARY_PARAMS(N, parameter::keyword<kw, >::get() = a) |
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); |
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#endif |
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} |
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}; |
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#undef BOOST_PARAMETER_PY_ARG_TYPES |
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#undef N |
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