annotate DEPENDENCIES/generic/include/boost/python/detail/signature.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 #if !defined(BOOST_PP_IS_ITERATING)
Chris@16 2
Chris@16 3 // Copyright David Abrahams 2002.
Chris@16 4 // Distributed under the Boost Software License, Version 1.0. (See
Chris@16 5 // accompanying file LICENSE_1_0.txt or copy at
Chris@16 6 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 7
Chris@16 8 # ifndef SIGNATURE_DWA20021121_HPP
Chris@16 9 # define SIGNATURE_DWA20021121_HPP
Chris@16 10
Chris@16 11 # include <boost/python/type_id.hpp>
Chris@16 12
Chris@16 13 # include <boost/python/detail/preprocessor.hpp>
Chris@16 14 # include <boost/python/detail/indirect_traits.hpp>
Chris@16 15 # include <boost/python/converter/pytype_function.hpp>
Chris@16 16
Chris@16 17 # include <boost/preprocessor/iterate.hpp>
Chris@16 18 # include <boost/preprocessor/iteration/local.hpp>
Chris@16 19
Chris@16 20 # include <boost/mpl/at.hpp>
Chris@16 21 # include <boost/mpl/size.hpp>
Chris@16 22
Chris@16 23 namespace boost { namespace python { namespace detail {
Chris@16 24
Chris@16 25 struct signature_element
Chris@16 26 {
Chris@16 27 char const* basename;
Chris@16 28 converter::pytype_function pytype_f;
Chris@16 29 bool lvalue;
Chris@16 30 };
Chris@16 31
Chris@16 32 struct py_func_sig_info
Chris@16 33 {
Chris@16 34 signature_element const *signature;
Chris@16 35 signature_element const *ret;
Chris@16 36 };
Chris@16 37
Chris@16 38 template <unsigned> struct signature_arity;
Chris@16 39
Chris@16 40 # define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16 41 (3, (0, BOOST_PYTHON_MAX_ARITY + 1, <boost/python/detail/signature.hpp>))
Chris@16 42 # include BOOST_PP_ITERATE()
Chris@16 43
Chris@16 44 // A metafunction returning the base class used for
Chris@16 45 //
Chris@16 46 // signature<class F, class CallPolicies, class Sig>.
Chris@16 47 //
Chris@16 48 template <class Sig>
Chris@16 49 struct signature_base_select
Chris@16 50 {
Chris@16 51 enum { arity = mpl::size<Sig>::value - 1 };
Chris@16 52 typedef typename signature_arity<arity>::template impl<Sig> type;
Chris@16 53 };
Chris@16 54
Chris@16 55 template <class Sig>
Chris@16 56 struct signature
Chris@16 57 : signature_base_select<Sig>::type
Chris@16 58 {
Chris@16 59 };
Chris@16 60
Chris@16 61 }}} // namespace boost::python::detail
Chris@16 62
Chris@16 63 # endif // SIGNATURE_DWA20021121_HPP
Chris@16 64
Chris@16 65 #else
Chris@16 66
Chris@16 67 # define N BOOST_PP_ITERATION()
Chris@16 68
Chris@16 69 template <>
Chris@16 70 struct signature_arity<N>
Chris@16 71 {
Chris@16 72 template <class Sig>
Chris@16 73 struct impl
Chris@16 74 {
Chris@16 75 static signature_element const* elements()
Chris@16 76 {
Chris@16 77 static signature_element const result[N+2] = {
Chris@16 78
Chris@16 79 #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
Chris@16 80 # define BOOST_PP_LOCAL_MACRO(i) \
Chris@16 81 { \
Chris@16 82 type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name() \
Chris@16 83 , &converter::expected_pytype_for_arg<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::get_pytype \
Chris@16 84 , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \
Chris@16 85 },
Chris@16 86 #else
Chris@16 87 # define BOOST_PP_LOCAL_MACRO(i) \
Chris@16 88 { \
Chris@16 89 type_id<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>().name() \
Chris@16 90 , 0 \
Chris@16 91 , indirect_traits::is_reference_to_non_const<BOOST_DEDUCED_TYPENAME mpl::at_c<Sig,i>::type>::value \
Chris@16 92 },
Chris@16 93 #endif
Chris@16 94
Chris@16 95 # define BOOST_PP_LOCAL_LIMITS (0, N)
Chris@16 96 # include BOOST_PP_LOCAL_ITERATE()
Chris@16 97 {0,0,0}
Chris@16 98 };
Chris@16 99 return result;
Chris@16 100 }
Chris@16 101 };
Chris@16 102 };
Chris@16 103
Chris@16 104 #endif // BOOST_PP_IS_ITERATING
Chris@16 105
Chris@16 106