sl@0: #if !defined(BOOST_PP_IS_ITERATING)
sl@0: 
sl@0: // Copyright David Abrahams 2002.
sl@0: // Distributed under the Boost Software License, Version 1.0. (See
sl@0: // accompanying file LICENSE_1_0.txt or copy at
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: 
sl@0: # ifndef SIGNATURE_DWA20021121_HPP
sl@0: #  define SIGNATURE_DWA20021121_HPP
sl@0: 
sl@0: #  include <boost/python/type_id.hpp>
sl@0: 
sl@0: #  include <boost/python/detail/preprocessor.hpp>
sl@0: #  include <boost/python/detail/indirect_traits.hpp>
sl@0: 
sl@0: #  include <boost/preprocessor/iterate.hpp>
sl@0: #  include <boost/preprocessor/iteration/local.hpp>
sl@0: 
sl@0: #  include <boost/mpl/at.hpp>
sl@0: #  include <boost/mpl/size.hpp>
sl@0: 
sl@0: namespace boost { namespace python { namespace detail { 
sl@0: 
sl@0: struct signature_element
sl@0: {
sl@0:     char const* basename;
sl@0:     bool lvalue;
sl@0: };
sl@0: 
sl@0: template <unsigned> struct signature_arity;
sl@0: 
sl@0: #  define BOOST_PP_ITERATION_PARAMS_1                                            \
sl@0:         (3, (0, BOOST_PYTHON_MAX_ARITY + 1, <boost/python/detail/signature.hpp>))
sl@0: #  include BOOST_PP_ITERATE()
sl@0: 
sl@0: // A metafunction returning the base class used for
sl@0: //
sl@0: //   signature<class F, class CallPolicies, class Sig>.
sl@0: //
sl@0: template <class Sig>
sl@0: struct signature_base_select
sl@0: {
sl@0:     enum { arity = mpl::size<Sig>::value - 1 };
sl@0:     typedef typename signature_arity<arity>::template impl<Sig> type;
sl@0: };
sl@0: 
sl@0: template <class Sig>
sl@0: struct signature
sl@0:     : signature_base_select<Sig>::type
sl@0: {
sl@0: };
sl@0: 
sl@0: }}} // namespace boost::python::detail
sl@0: 
sl@0: # endif // SIGNATURE_DWA20021121_HPP
sl@0: 
sl@0: #else
sl@0: 
sl@0: # define N BOOST_PP_ITERATION()
sl@0: 
sl@0: template <>
sl@0: struct signature_arity<N>
sl@0: {
sl@0:     template <class Sig>
sl@0:     struct impl
sl@0:     {
sl@0:         static signature_element const* elements()
sl@0:         {
sl@0:             static signature_element const result[N+2] = {
sl@0:                 
sl@0: # define BOOST_PP_LOCAL_MACRO(i)                                                            \
sl@0:      {                                                                                      \
sl@0:          type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name()                    \
sl@0:          , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \
sl@0:      },
sl@0:                 
sl@0: # define BOOST_PP_LOCAL_LIMITS (0, N)
sl@0: # include BOOST_PP_LOCAL_ITERATE()
sl@0:                 {0,0}
sl@0:             };
sl@0:             return result;
sl@0:         }
sl@0:     };
sl@0: };
sl@0: 
sl@0: #endif // BOOST_PP_IS_ITERATING 
sl@0: 
sl@0: