source: NonGTP/Boost/boost/python/detail/target.hpp @ 857

Revision 857, 2.8 KB checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1#if !defined(BOOST_PP_IS_ITERATING)
2
3// Copyright David Abrahams 2002.
4// Distributed under the Boost Software License, Version 1.0. (See
5// accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7
8# ifndef TARGET_DWA2002521_HPP
9#  define TARGET_DWA2002521_HPP
10
11#  include <boost/python/detail/preprocessor.hpp>
12
13#  include <boost/type.hpp>
14
15#  include <boost/preprocessor/comma_if.hpp>
16#  include <boost/preprocessor/if.hpp>
17#  include <boost/preprocessor/iterate.hpp>
18#  include <boost/preprocessor/debug/line.hpp>
19#  include <boost/preprocessor/enum_params.hpp>
20#  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
21
22namespace boost { namespace python { namespace detail {
23
24#  define BOOST_PP_ITERATION_PARAMS_1                                                                   \
25    (4, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/target.hpp>, BOOST_PYTHON_FUNCTION_POINTER))
26#  include BOOST_PP_ITERATE()
27
28#  define BOOST_PP_ITERATION_PARAMS_1                                                                    \
29    (4, (0, BOOST_PYTHON_CV_COUNT - 1, <boost/python/detail/target.hpp>, BOOST_PYTHON_POINTER_TO_MEMBER))
30#  include BOOST_PP_ITERATE()
31
32template <class R, class T>
33T& (* target(R (T::*)) )() { return 0; }
34
35}}} // namespace boost::python::detail
36
37# endif // TARGET_DWA2002521_HPP
38
39/* --------------- function pointers --------------- */
40#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
41# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
42        && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
43#  line BOOST_PP_LINE(__LINE__, target.hpp(function_pointers))
44# endif
45
46# define N BOOST_PP_ITERATION()
47
48template <class R BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
49BOOST_PP_IF(N, A0, void)(* target(R (*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A))) )()
50{
51    return 0;
52}
53
54# undef N
55
56/* --------------- pointers-to-members --------------- */
57#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_POINTER_TO_MEMBER
58// Outer over cv-qualifiers
59
60# define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/target.hpp>))
61# include BOOST_PP_ITERATE()
62
63#elif BOOST_PP_ITERATION_DEPTH() == 2
64# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
65        && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
66#  line BOOST_PP_LINE(__LINE__, target.hpp(pointers-to-members))
67# endif
68// Inner over arities
69
70# define N BOOST_PP_ITERATION()
71# define Q BOOST_PYTHON_CV_QUALIFIER(BOOST_PP_RELATIVE_ITERATION(1))
72
73template <class R, class T BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
74T& (* target(R (T::*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)) Q) )()
75{
76    return 0;
77}
78
79# undef N
80# undef Q
81
82#endif
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