45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
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// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef FUNCTION_HANDLE_DWA2002725_HPP
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# define FUNCTION_HANDLE_DWA2002725_HPP
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# include <boost/python/handle.hpp>
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# include <boost/python/detail/caller.hpp>
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# include <boost/python/default_call_policies.hpp>
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# include <boost/python/object/py_function.hpp>
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# include <boost/python/signature.hpp>
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namespace boost { namespace python { namespace objects {
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BOOST_PYTHON_DECL handle<> function_handle_impl(py_function const& f);
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// Just like function_object, but returns a handle<> instead. Using
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// this for arg_to_python<> allows us to break a circular dependency
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// between object and arg_to_python.
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template <class F, class Signature>
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inline handle<> function_handle(F const& f, Signature)
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{
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enum { n_arguments = mpl::size<Signature>::value - 1 };
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return objects::function_handle_impl(
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python::detail::caller<
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F,default_call_policies,Signature
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>(
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f, default_call_policies()
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)
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);
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}
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// Just like make_function, but returns a handle<> intead. Same
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// reasoning as above.
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template <class F>
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handle<> make_function_handle(F f)
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{
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return objects::function_handle(f, python::detail::get_signature(f));
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}
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}}} // namespace boost::python::objects
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#endif // FUNCTION_HANDLE_DWA2002725_HPP
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