File: function_handle.hpp

package info (click to toggle)
boost1.49 1.49.0-3.2
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 427,096 kB
  • sloc: cpp: 1,806,930; xml: 101,307; ansic: 43,491; python: 28,668; sh: 11,922; cs: 2,118; perl: 714; makefile: 671; yacc: 456; asm: 353; php: 116; lisp: 60; sql: 13; csh: 6
file content (44 lines) | stat: -rw-r--r-- 1,439 bytes parent folder | download | duplicates (26)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// Copyright David Abrahams 2002.
// 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 FUNCTION_HANDLE_DWA2002725_HPP
# define FUNCTION_HANDLE_DWA2002725_HPP
# include <boost/python/handle.hpp>
# include <boost/python/detail/caller.hpp>
# include <boost/python/default_call_policies.hpp>
# include <boost/python/object/py_function.hpp>
# include <boost/python/signature.hpp>

namespace boost { namespace python { namespace objects { 

BOOST_PYTHON_DECL handle<> function_handle_impl(py_function const& f);

// Just like function_object, but returns a handle<> instead. Using
// this for arg_to_python<> allows us to break a circular dependency
// between object and arg_to_python.
template <class F, class Signature>
inline handle<> function_handle(F const& f, Signature)
{
    enum { n_arguments = mpl::size<Signature>::value - 1 };

    return objects::function_handle_impl(
        python::detail::caller<
            F,default_call_policies,Signature
        >(
            f, default_call_policies()
         )
    );
}

// Just like make_function, but returns a handle<> intead. Same
// reasoning as above.
template <class F>
handle<> make_function_handle(F f)
{
    return objects::function_handle(f, python::detail::get_signature(f));
}

}}} // namespace boost::python::objects

#endif // FUNCTION_HANDLE_DWA2002725_HPP