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#if !defined(BOOST_PP_IS_ITERATING) // Copyright David Abrahams 2002. // Distributed under 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 SIGNATURE_DWA20021121_HPP # define SIGNATURE_DWA20021121_HPP # include <boost/python/type_id.hpp> # include <boost/python/detail/preprocessor.hpp> # include <boost/python/detail/indirect_traits.hpp> # include <boost/python/converter/pytype_function.hpp> # include <boost/preprocessor/iterate.hpp> # include <boost/preprocessor/iteration/local.hpp> # include <boost/mpl/at.hpp> # include <boost/mpl/size.hpp> namespace boost { namespace python { namespace detail { struct signature_element { char const* basename; converter::pytype_function pytype_f; bool lvalue; }; struct py_func_sig_info { signature_element const *signature; signature_element const *ret; }; template <unsigned> struct signature_arity; # define BOOST_PP_ITERATION_PARAMS_1 \ (3, (0, BOOST_PYTHON_MAX_ARITY + 1, <boost/python/detail/signature.hpp>)) # include BOOST_PP_ITERATE() // A metafunction returning the base class used for // // signature<class F, class CallPolicies, class Sig>. // template <class Sig> struct signature_base_select { enum { arity = mpl::size<Sig>::value - 1 }; typedef typename signature_arity<arity>::template impl<Sig> type; }; template <class Sig> struct signature : signature_base_select<Sig>::type { }; }}} // namespace boost::python::detail # endif // SIGNATURE_DWA20021121_HPP #else # define N BOOST_PP_ITERATION() template <> struct signature_arity<N> { template <class Sig> struct impl { static signature_element const* elements() { static signature_element const result[N+2] = { #ifndef BOOST_PYTHON_NO_PY_SIGNATURES # define BOOST_PP_LOCAL_MACRO(i) \ { \ type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name() \ , &converter::expected_pytype_for_arg<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::get_pytype \ , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \ }, #else # define BOOST_PP_LOCAL_MACRO(i) \ { \ type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name() \ , 0 \ , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \ }, #endif # define BOOST_PP_LOCAL_LIMITS (0, N) # include BOOST_PP_LOCAL_ITERATE() {0,0,0} }; return result; } }; }; #endif // BOOST_PP_IS_ITERATING