/usr/include/boost/python/override.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright David Abrahams 2004. 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 OVERRIDE_DWA2004721_HPP
# define OVERRIDE_DWA2004721_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/python/converter/return_from_python.hpp>
# include <boost/python/extract.hpp>
# include <boost/python/handle.hpp>
# include <boost/preprocessor/iterate.hpp>
# include <boost/preprocessor/repeat.hpp>
# include <boost/preprocessor/debug/line.hpp>
# include <boost/preprocessor/repetition/enum_params.hpp>
# include <boost/preprocessor/repetition/enum_binary_params.hpp>
# include <boost/type.hpp>
namespace boost { namespace python {
class override;
namespace detail
{
class wrapper_base;
// The result of calling a method.
class method_result
{
private:
friend class boost::python::override;
explicit method_result(PyObject* x)
: m_obj(x)
{}
public:
template <class T>
operator T()
{
converter::return_from_python<T> converter;
return converter(m_obj.release());
}
# if BOOST_WORKAROUND(_MSC_FULL_VER, BOOST_TESTED_AT(140050215))
template <class T>
operator T*()
{
converter::return_from_python<T*> converter;
return converter(m_obj.release());
}
# endif
# if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) || BOOST_WORKAROUND(BOOST_INTEL_WIN, >= 900)
// No operator T&
# else
template <class T>
operator T&() const
{
converter::return_from_python<T&> converter;
return converter(const_cast<handle<>&>(m_obj).release());
}
# endif
template <class T>
T as(type<T>* = 0)
{
converter::return_from_python<T> converter;
return converter(m_obj.release());
}
template <class T>
T unchecked(type<T>* = 0)
{
return extract<T>(m_obj.get())();
}
private:
mutable handle<> m_obj;
};
}
class override : public object
{
private:
friend class detail::wrapper_base;
override(handle<> x)
: object(x)
{}
public:
detail::method_result
operator()() const
{
detail::method_result x(
PyEval_CallFunction(
this->ptr()
, const_cast<char*>("()")
));
return x;
}
# define BOOST_PYTHON_fast_arg_to_python_get(z, n, _) \
, converter::arg_to_python<A##n>(a##n).get()
# define BOOST_PP_ITERATION_PARAMS_1 (3, (1, BOOST_PYTHON_MAX_ARITY, <boost/python/override.hpp>))
# include BOOST_PP_ITERATE()
# undef BOOST_PYTHON_fast_arg_to_python_get
};
}} // namespace boost::python
#endif // OVERRIDE_DWA2004721_HPP
#else
# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100) \
&& BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
# line BOOST_PP_LINE(__LINE__, override.hpp)
# endif
# define N BOOST_PP_ITERATION()
template <
BOOST_PP_ENUM_PARAMS_Z(1, N, class A)
>
detail::method_result
operator()( BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a) ) const
{
detail::method_result x(
PyEval_CallFunction(
this->ptr()
, const_cast<char*>("(" BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_FIXED, "O") ")")
BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_fast_arg_to_python_get, nil)
));
return x;
}
# undef N
#endif
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