/usr/include/boost/python/args.hpp is in libboost1.62-dev 1.62.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | // 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 KEYWORDS_DWA2002323_HPP
# define KEYWORDS_DWA2002323_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/python/args_fwd.hpp>
# include <boost/config.hpp>
# include <boost/python/detail/preprocessor.hpp>
# include <boost/python/detail/type_list.hpp>
# include <boost/type_traits/is_reference.hpp>
# include <boost/type_traits/remove_reference.hpp>
# include <boost/type_traits/remove_cv.hpp>
# include <boost/preprocessor/enum_params.hpp>
# include <boost/preprocessor/repeat.hpp>
# include <boost/preprocessor/facilities/intercept.hpp>
# include <boost/preprocessor/iteration/local.hpp>
# include <boost/python/detail/mpl_lambda.hpp>
# include <boost/python/object_core.hpp>
# include <boost/mpl/bool.hpp>
# include <cstddef>
# include <algorithm>
namespace boost { namespace python {
typedef detail::keywords<1> arg;
typedef arg arg_; // gcc 2.96 workaround
namespace detail
{
template <std::size_t nkeywords>
struct keywords_base
{
BOOST_STATIC_CONSTANT(std::size_t, size = nkeywords);
keyword_range range() const
{
return keyword_range(elements, elements + nkeywords);
}
keyword elements[nkeywords];
keywords<nkeywords+1>
operator,(python::arg const &k) const;
keywords<nkeywords + 1>
operator,(char const *name) const;
};
template <std::size_t nkeywords>
struct keywords : keywords_base<nkeywords>
{
};
template <>
struct keywords<1> : keywords_base<1>
{
explicit keywords(char const *name)
{
elements[0].name = name;
}
template <class T>
python::arg& operator=(T const& value)
{
object z(value);
elements[0].default_value = handle<>(python::borrowed(object(value).ptr()));
return *this;
}
operator detail::keyword const&() const
{
return elements[0];
}
};
template <std::size_t nkeywords>
inline
keywords<nkeywords+1>
keywords_base<nkeywords>::operator,(python::arg const &k) const
{
keywords<nkeywords> const& l = *static_cast<keywords<nkeywords> const*>(this);
python::detail::keywords<nkeywords+1> res;
std::copy(l.elements, l.elements+nkeywords, res.elements);
res.elements[nkeywords] = k.elements[0];
return res;
}
template <std::size_t nkeywords>
inline
keywords<nkeywords + 1>
keywords_base<nkeywords>::operator,(char const *name) const
{
return this->operator,(python::arg(name));
}
template<typename T>
struct is_keywords
{
BOOST_STATIC_CONSTANT(bool, value = false);
};
template<std::size_t nkeywords>
struct is_keywords<keywords<nkeywords> >
{
BOOST_STATIC_CONSTANT(bool, value = true);
};
template <class T>
struct is_reference_to_keywords
{
BOOST_STATIC_CONSTANT(bool, is_ref = is_reference<T>::value);
typedef typename remove_reference<T>::type deref;
typedef typename remove_cv<deref>::type key_t;
BOOST_STATIC_CONSTANT(bool, is_key = is_keywords<key_t>::value);
BOOST_STATIC_CONSTANT(bool, value = (is_ref & is_key));
typedef mpl::bool_<value> type;
BOOST_PYTHON_MPL_LAMBDA_SUPPORT(1,is_reference_to_keywords,(T))
};
}
inline detail::keywords<1> args(char const* name)
{
return detail::keywords<1>(name);
}
# define BOOST_PYTHON_ASSIGN_NAME(z, n, _) result.elements[n].name = name##n;
# define BOOST_PP_LOCAL_MACRO(n) \
inline detail::keywords<n> args(BOOST_PP_ENUM_PARAMS_Z(1, n, char const* name)) \
{ \
detail::keywords<n> result; \
BOOST_PP_REPEAT_1(n, BOOST_PYTHON_ASSIGN_NAME, _) \
return result; \
}
# define BOOST_PP_LOCAL_LIMITS (2, BOOST_PYTHON_MAX_ARITY)
# include BOOST_PP_LOCAL_ITERATE()
}} // namespace boost::python
# endif // KEYWORDS_DWA2002323_HPP
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