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1 | // Copyright David Abrahams 2002. |
2 | // Distributed under the Boost Software License, Version 1.0. (See | |
3 | // accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | #ifndef FUNCTION_HANDLE_DWA2002725_HPP | |
6 | # define FUNCTION_HANDLE_DWA2002725_HPP | |
7 | # include <boost/python/handle.hpp> | |
8 | # include <boost/python/detail/caller.hpp> | |
9 | # include <boost/python/default_call_policies.hpp> | |
10 | # include <boost/python/object/py_function.hpp> | |
11 | # include <boost/python/signature.hpp> | |
12 | ||
13 | namespace boost { namespace python { namespace objects { | |
14 | ||
15 | BOOST_PYTHON_DECL handle<> function_handle_impl(py_function const& f); | |
16 | ||
17 | // Just like function_object, but returns a handle<> instead. Using | |
18 | // this for arg_to_python<> allows us to break a circular dependency | |
19 | // between object and arg_to_python. | |
20 | template <class F, class Signature> | |
21 | inline handle<> function_handle(F const& f, Signature) | |
22 | { | |
23 | enum { n_arguments = mpl::size<Signature>::value - 1 }; | |
24 | ||
25 | return objects::function_handle_impl( | |
26 | python::detail::caller< | |
27 | F,default_call_policies,Signature | |
28 | >( | |
29 | f, default_call_policies() | |
30 | ) | |
31 | ); | |
32 | } | |
33 | ||
34 | // Just like make_function, but returns a handle<> intead. Same | |
35 | // reasoning as above. | |
36 | template <class F> | |
37 | handle<> make_function_handle(F f) | |
38 | { | |
39 | return objects::function_handle(f, python::detail::get_signature(f)); | |
40 | } | |
41 | ||
42 | }}} // namespace boost::python::objects | |
43 | ||
44 | #endif // FUNCTION_HANDLE_DWA2002725_HPP |