xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/python/py-evts.c (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 #include "defs.h"
21 #include "py-events.h"
22 
23 static struct PyModuleDef EventModuleDef =
24 {
25   PyModuleDef_HEAD_INIT,
26   "_gdbevents",
27   NULL,
28   -1,
29   NULL,
30   NULL,
31   NULL,
32   NULL,
33   NULL
34 };
35 
36 /* Helper function to add a single event registry to the events
37    module.  */
38 
39 static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
40 add_new_registry (eventregistry_object **registryp, const char *name)
41 {
42   *registryp = create_eventregistry_object ();
43 
44   if (*registryp == NULL)
45     return -1;
46 
47   return gdb_pymodule_addobject (gdb_py_events.module,
48 				 name,
49 				 (PyObject *)(*registryp));
50 }
51 
52 /* Create and populate the _gdbevents module.  Note that this is
53    always created, see the base gdb __init__.py.  */
54 
55 PyMODINIT_FUNC
56 gdbpy_events_mod_func ()
57 {
58   gdb_py_events.module = PyModule_Create (&EventModuleDef);
59   if (gdb_py_events.module == nullptr)
60     return nullptr;
61 
62 #define GDB_PY_DEFINE_EVENT(name)					\
63   if (add_new_registry (&gdb_py_events.name, #name) < 0)	\
64     return nullptr;
65 #include "py-all-events.def"
66 #undef GDB_PY_DEFINE_EVENT
67 
68   return gdb_py_events.module;
69 }
70