xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/python/py-evts.c (revision 7330f729ccf0bd976a06f95fad452fe774fc7fd1)
1 /* Python interface to inferior events.
2 
3    Copyright (C) 2009-2017 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 #ifdef IS_PY3K
24 static struct PyModuleDef EventModuleDef =
25 {
26   PyModuleDef_HEAD_INIT,
27   "gdb.events",
28   NULL,
29   -1,
30   NULL,
31   NULL,
32   NULL,
33   NULL,
34   NULL
35 };
36 #endif
37 
38 /* Initialize python events.  */
39 
40 static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
41 add_new_registry (eventregistry_object **registryp, const char *name)
42 {
43   *registryp = create_eventregistry_object ();
44 
45   if (*registryp == NULL)
46     return -1;
47 
48   return gdb_pymodule_addobject (gdb_py_events.module,
49 				 name,
50 				 (PyObject *)(*registryp));
51 }
52 
53 int
54 gdbpy_initialize_py_events (void)
55 {
56 #ifdef IS_PY3K
57   gdb_py_events.module = PyModule_Create (&EventModuleDef);
58 #else
59   gdb_py_events.module = Py_InitModule ("events", NULL);
60 #endif
61 
62   if (!gdb_py_events.module)
63     return -1;
64 
65   if (add_new_registry (&gdb_py_events.stop, "stop") < 0)
66     return -1;
67 
68   if (add_new_registry (&gdb_py_events.cont, "cont") < 0)
69     return -1;
70 
71   if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
72     return -1;
73 
74   if (add_new_registry (&gdb_py_events.inferior_call,
75 			"inferior_call") < 0)
76     return -1;
77 
78   if (add_new_registry (&gdb_py_events.memory_changed,
79 			"memory_changed") < 0)
80     return -1;
81 
82   if (add_new_registry (&gdb_py_events.register_changed,
83 			"register_changed") < 0)
84     return -1;
85 
86   if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
87     return -1;
88 
89   if (add_new_registry (&gdb_py_events.clear_objfiles, "clear_objfiles") < 0)
90     return -1;
91 
92   if (add_new_registry (&gdb_py_events.breakpoint_created,
93 			"breakpoint_created") < 0)
94     return -1;
95 
96   if (add_new_registry (&gdb_py_events.breakpoint_deleted,
97 			"breakpoint_deleted") < 0)
98     return -1;
99   if (add_new_registry (&gdb_py_events.breakpoint_modified,
100 			"breakpoint_modified") < 0)
101     return -1;
102 
103   if (add_new_registry (&gdb_py_events.before_prompt, "before_prompt") < 0)
104     return -1;
105 
106   if (gdb_pymodule_addobject (gdb_module,
107 			      "events",
108 			      (PyObject *) gdb_py_events.module) < 0)
109     return -1;
110 
111   return 0;
112 }
113