Chris@16
|
1 #if !defined(BOOST_PP_IS_ITERATING)
|
Chris@16
|
2
|
Chris@16
|
3 // Copyright David Abrahams 2001.
|
Chris@16
|
4 // Distributed under the Boost Software License, Version 1.0. (See
|
Chris@16
|
5 // accompanying file LICENSE_1_0.txt or copy at
|
Chris@16
|
6 // http://www.boost.org/LICENSE_1_0.txt)
|
Chris@16
|
7
|
Chris@16
|
8 # ifndef MAKE_HOLDER_DWA20011215_HPP
|
Chris@16
|
9 # define MAKE_HOLDER_DWA20011215_HPP
|
Chris@16
|
10
|
Chris@16
|
11 # include <boost/python/detail/prefix.hpp>
|
Chris@16
|
12
|
Chris@16
|
13 # include <boost/python/object/instance.hpp>
|
Chris@16
|
14 # include <boost/python/converter/registry.hpp>
|
Chris@16
|
15 #if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE)
|
Chris@16
|
16 # include <boost/python/detail/python_type.hpp>
|
Chris@16
|
17 #endif
|
Chris@16
|
18
|
Chris@16
|
19 # include <boost/python/object/forward.hpp>
|
Chris@16
|
20 # include <boost/python/detail/preprocessor.hpp>
|
Chris@16
|
21
|
Chris@16
|
22 # include <boost/mpl/next.hpp>
|
Chris@16
|
23 # include <boost/mpl/begin_end.hpp>
|
Chris@16
|
24 # include <boost/mpl/deref.hpp>
|
Chris@16
|
25
|
Chris@16
|
26 # include <boost/preprocessor/iterate.hpp>
|
Chris@16
|
27 # include <boost/preprocessor/iteration/local.hpp>
|
Chris@16
|
28 # include <boost/preprocessor/repeat.hpp>
|
Chris@16
|
29 # include <boost/preprocessor/debug/line.hpp>
|
Chris@16
|
30 # include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
|
Chris@16
|
31
|
Chris@16
|
32 # include <cstddef>
|
Chris@16
|
33
|
Chris@16
|
34 namespace boost { namespace python { namespace objects {
|
Chris@16
|
35
|
Chris@16
|
36 template <int nargs> struct make_holder;
|
Chris@16
|
37
|
Chris@16
|
38 # define BOOST_PYTHON_DO_FORWARD_ARG(z, index, _) , f##index(a##index)
|
Chris@16
|
39
|
Chris@16
|
40 // specializations...
|
Chris@16
|
41 # define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/object/make_holder.hpp>))
|
Chris@16
|
42 # include BOOST_PP_ITERATE()
|
Chris@16
|
43
|
Chris@16
|
44 # undef BOOST_PYTHON_DO_FORWARD_ARG
|
Chris@16
|
45
|
Chris@16
|
46 }}} // namespace boost::python::objects
|
Chris@16
|
47
|
Chris@16
|
48 # endif // MAKE_HOLDER_DWA20011215_HPP
|
Chris@16
|
49
|
Chris@16
|
50 // For gcc 4.4 compatability, we must include the
|
Chris@16
|
51 // BOOST_PP_ITERATION_DEPTH test inside an #else clause.
|
Chris@16
|
52 #else // BOOST_PP_IS_ITERATING
|
Chris@16
|
53 #if BOOST_PP_ITERATION_DEPTH() == 1
|
Chris@16
|
54 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100) \
|
Chris@16
|
55 && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
|
Chris@16
|
56 # line BOOST_PP_LINE(__LINE__, make_holder.hpp)
|
Chris@16
|
57 # endif
|
Chris@16
|
58
|
Chris@16
|
59 # define N BOOST_PP_ITERATION()
|
Chris@16
|
60
|
Chris@16
|
61 template <>
|
Chris@16
|
62 struct make_holder<N>
|
Chris@16
|
63 {
|
Chris@16
|
64 template <class Holder, class ArgList>
|
Chris@16
|
65 struct apply
|
Chris@16
|
66 {
|
Chris@16
|
67 # if N
|
Chris@16
|
68 // Unrolled iteration through each argument type in ArgList,
|
Chris@16
|
69 // choosing the type that will be forwarded on to the holder's
|
Chris@16
|
70 // templated constructor.
|
Chris@16
|
71 typedef typename mpl::begin<ArgList>::type iter0;
|
Chris@16
|
72
|
Chris@16
|
73 # define BOOST_PP_LOCAL_MACRO(n) \
|
Chris@16
|
74 typedef typename mpl::deref<iter##n>::type t##n; \
|
Chris@16
|
75 typedef typename forward<t##n>::type f##n; \
|
Chris@16
|
76 typedef typename mpl::next<iter##n>::type \
|
Chris@16
|
77 BOOST_PP_CAT(iter,BOOST_PP_INC(n)); // Next iterator type
|
Chris@16
|
78
|
Chris@16
|
79 # define BOOST_PP_LOCAL_LIMITS (0, N-1)
|
Chris@16
|
80 # include BOOST_PP_LOCAL_ITERATE()
|
Chris@16
|
81 # endif
|
Chris@16
|
82
|
Chris@16
|
83 static void execute(
|
Chris@16
|
84 #if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE)
|
Chris@16
|
85 boost::python::detail::python_class<BOOST_DEDUCED_TYPENAME Holder::value_type> *p
|
Chris@16
|
86 #else
|
Chris@16
|
87 PyObject *p
|
Chris@16
|
88 #endif
|
Chris@16
|
89 BOOST_PP_ENUM_TRAILING_BINARY_PARAMS_Z(1, N, t, a))
|
Chris@16
|
90 {
|
Chris@16
|
91 typedef instance<Holder> instance_t;
|
Chris@16
|
92
|
Chris@16
|
93 void* memory = Holder::allocate(p, offsetof(instance_t, storage), sizeof(Holder));
|
Chris@16
|
94 try {
|
Chris@16
|
95 (new (memory) Holder(
|
Chris@16
|
96 p BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_DO_FORWARD_ARG, nil)))->install(p);
|
Chris@16
|
97 }
|
Chris@16
|
98 catch(...) {
|
Chris@16
|
99 Holder::deallocate(p, memory);
|
Chris@16
|
100 throw;
|
Chris@16
|
101 }
|
Chris@16
|
102 }
|
Chris@16
|
103 };
|
Chris@16
|
104 };
|
Chris@16
|
105
|
Chris@16
|
106 # undef N
|
Chris@16
|
107
|
Chris@16
|
108 #endif // BOOST_PP_ITERATION_DEPTH()
|
Chris@16
|
109 #endif
|