xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/python/py-events.h (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1 /* Python interface to inferior events.
2 
3    Copyright (C) 2009-2023 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 PYTHON_PY_EVENTS_H
21 #define PYTHON_PY_EVENTS_H
22 
23 #include "command.h"
24 #include "python-internal.h"
25 #include "inferior.h"
26 
27 /* Stores a list of objects to be notified when the event for which this
28    registry tracks occurs.  */
29 
30 struct eventregistry_object
31 {
32   PyObject_HEAD
33 
34   PyObject *callbacks;
35 };
36 
37 /* Struct holding references to event registries both in python and c.
38    This is meant to be a singleton.  */
39 
40 struct events_object
41 {
42 #define GDB_PY_DEFINE_EVENT(name)		\
43   eventregistry_object *name;
44 #include "py-all-events.def"
45 #undef GDB_PY_DEFINE_EVENT
46 
47   PyObject *module;
48 
49 };
50 
51 /* Python events singleton.  */
52 extern events_object gdb_py_events;
53 
54 extern eventregistry_object *create_eventregistry_object (void);
55 extern bool evregpy_no_listeners_p (eventregistry_object *registry);
56 
57 #endif /* PYTHON_PY_EVENTS_H */
58