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