Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: // Copyright David Abrahams 2002.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: # ifndef SIGNATURE_DWA20021121_HPP
Chris@16: #  define SIGNATURE_DWA20021121_HPP
Chris@16: 
Chris@16: #  include <boost/python/type_id.hpp>
Chris@16: 
Chris@16: #  include <boost/python/detail/preprocessor.hpp>
Chris@16: #  include <boost/python/detail/indirect_traits.hpp>
Chris@16: #  include <boost/python/converter/pytype_function.hpp>
Chris@16: 
Chris@16: #  include <boost/preprocessor/iterate.hpp>
Chris@16: #  include <boost/preprocessor/iteration/local.hpp>
Chris@16: 
Chris@16: #  include <boost/mpl/at.hpp>
Chris@16: #  include <boost/mpl/size.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace detail { 
Chris@16: 
Chris@16: struct signature_element
Chris@16: {
Chris@16:     char const* basename;
Chris@16:     converter::pytype_function pytype_f;
Chris@16:     bool lvalue;
Chris@16: };
Chris@16: 
Chris@16: struct py_func_sig_info
Chris@16: {
Chris@16:     signature_element const *signature;
Chris@16:     signature_element const *ret;
Chris@16: };
Chris@16: 
Chris@16: template <unsigned> struct signature_arity;
Chris@16: 
Chris@16: #  define BOOST_PP_ITERATION_PARAMS_1                                            \
Chris@16:         (3, (0, BOOST_PYTHON_MAX_ARITY + 1, <boost/python/detail/signature.hpp>))
Chris@16: #  include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: // A metafunction returning the base class used for
Chris@16: //
Chris@16: //   signature<class F, class CallPolicies, class Sig>.
Chris@16: //
Chris@16: template <class Sig>
Chris@16: struct signature_base_select
Chris@16: {
Chris@16:     enum { arity = mpl::size<Sig>::value - 1 };
Chris@16:     typedef typename signature_arity<arity>::template impl<Sig> type;
Chris@16: };
Chris@16: 
Chris@16: template <class Sig>
Chris@16: struct signature
Chris@16:     : signature_base_select<Sig>::type
Chris@16: {
Chris@16: };
Chris@16: 
Chris@16: }}} // namespace boost::python::detail
Chris@16: 
Chris@16: # endif // SIGNATURE_DWA20021121_HPP
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: # define N BOOST_PP_ITERATION()
Chris@16: 
Chris@16: template <>
Chris@16: struct signature_arity<N>
Chris@16: {
Chris@16:     template <class Sig>
Chris@16:     struct impl
Chris@16:     {
Chris@16:         static signature_element const* elements()
Chris@16:         {
Chris@16:             static signature_element const result[N+2] = {
Chris@16:                 
Chris@16: #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
Chris@16: # define BOOST_PP_LOCAL_MACRO(i)                                                            \
Chris@16:                 {                                                                           \
Chris@16:                   type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name()           \
Chris@16:                   , &converter::expected_pytype_for_arg<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::get_pytype   \
Chris@16:                   , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \
Chris@16:                 },
Chris@16: #else
Chris@16: # define BOOST_PP_LOCAL_MACRO(i)                                                            \
Chris@16:                 {                                                                           \
Chris@16:                   type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name()           \
Chris@16:                   , 0 \
Chris@16:                   , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \
Chris@16:                 },
Chris@16: #endif
Chris@16:                 
Chris@16: # define BOOST_PP_LOCAL_LIMITS (0, N)
Chris@16: # include BOOST_PP_LOCAL_ITERATE()
Chris@16:                 {0,0,0}
Chris@16:             };
Chris@16:             return result;
Chris@16:         }
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #endif // BOOST_PP_IS_ITERATING 
Chris@16: 
Chris@16: