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// (C) Copyright David Abrahams 2000.
// 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)
//
// The author gratefully acknowleges the support of Dragon Systems, Inc., in
// producing this work.
#ifndef ERRORS_DWA052500_H_
# define ERRORS_DWA052500_H_
# include <boost/python/detail/prefix.hpp>
# include <boost/function/function0.hpp>
namespace boost { namespace python {
struct BOOST_PYTHON_DECL_EXCEPTION error_already_set
{
virtual ~error_already_set();
};
// Handles exceptions caught just before returning to Python code.
// Returns true iff an exception was caught.
BOOST_PYTHON_DECL bool handle_exception_impl(function0<void>);
template <class T>
bool handle_exception(T f)
{
return handle_exception_impl(function0<void>(boost::ref(f)));
}
namespace detail { inline void rethrow() { throw; } }
inline void handle_exception()
{
handle_exception(detail::rethrow);
}
BOOST_PYTHON_DECL void throw_error_already_set();
template <class T>
inline T* expect_non_null(T* x)
{
if (x == 0)
throw_error_already_set();
return x;
}
// Return source if it is an instance of pytype; throw an appropriate
// exception otherwise.
BOOST_PYTHON_DECL PyObject* pytype_check(PyTypeObject* pytype, PyObject* source);
}} // namespace boost::python
#endif // ERRORS_DWA052500_H_
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