python/include/boost/python/errors.hpp at python313 · boostorg/python · GitHub

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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 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_

python/include/boost/python/errors.hpp at python313 · boostorg/python · GitHub

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