GDB (xrefs)

py-ref.h
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1 /* Python reference-holding class
2
3 Copyright (C) 2016-2018 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20 #ifndef GDB_PYTHON_REF_H
21 #define GDB_PYTHON_REF_H
22
23 #include "common/gdb_ref_ptr.h"
24
25 /* A policy class for gdb::ref_ptr for Python reference counting. */
26 template<typename T>
27 struct gdbpy_ref_policy
28 {
29 static void incref (T *ptr)
30 {
31 Py_INCREF (ptr);
32 }
33
34 static void decref (T *ptr)
35 {
36 Py_DECREF (ptr);
37 }
38 };
39
40 /* A gdb::ref_ptr that has been specialized for Python objects or
41 their "subclasses". */
42 template<typename T = PyObject> using gdbpy_ref
43 = gdb::ref_ptr<T, gdbpy_ref_policy<T>>;
44
45 #endif /* GDB_PYTHON_REF_H */
Py_DECREF
#define Py_DECREF(op)
Definition: python-internal.h:204
gdbpy_ref_policy::incref
static void incref(T *ptr)
Definition: py-ref.h:29
gdb::ref_ptr< T, gdbpy_ref_policy< T > >
gdbpy_ref_policy::decref
static void decref(T *ptr)
Definition: py-ref.h:34
gdbpy_ref_policy
Definition: py-ref.h:27
gdb_ref_ptr.h