blob: 8be3e054e00ab2693b089656a0efb004c0d7df1f (
plain)
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// 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 SCOPE_DWA2002724_HPP
# define SCOPE_DWA2002724_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/python/object.hpp>
# include <boost/python/refcount.hpp>
namespace boost { namespace python {
namespace detail
{
// Making this a namespace-scope variable to avoid Cygwin issues.
// Use a PyObject* to avoid problems with static destruction after Py_Finalize
extern BOOST_PYTHON_DECL PyObject* current_scope;
}
class scope
: public object
{
public:
inline scope(scope const&);
inline scope(object const&);
inline scope();
inline ~scope();
private: // data members
PyObject* m_previous_scope;
private: // unimplemented functions
void operator=(scope const&);
};
inline scope::scope(object const& new_scope)
: object(new_scope)
, m_previous_scope(detail::current_scope)
{
detail::current_scope = python::incref(new_scope.ptr());
}
inline scope::scope()
: object(detail::borrowed_reference(
detail::current_scope ? detail::current_scope : Py_None
))
, m_previous_scope(python::xincref(detail::current_scope))
{
}
inline scope::~scope()
{
python::xdecref(detail::current_scope);
detail::current_scope = m_previous_scope;
}
namespace converter
{
template <>
struct object_manager_traits<scope>
: object_manager_traits<object>
{
};
}
// Placing this after the specialization above suppresses a CWPro8.3 bug
inline scope::scope(scope const& new_scope)
: object(new_scope)
, m_previous_scope(detail::current_scope)
{
detail::current_scope = python::incref(new_scope.ptr());
}
}} // namespace boost::python
#endif // SCOPE_DWA2002724_HPP
|
