gdb/python/py-evts.c

   1 /* Python interface to inferior events.
   2
   3    Copyright (C) 2009-2013 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, char *name)
  42 {
  43   *registryp = create_eventregistry_object ();
  44
  45   if (*registryp == NULL)
  46     goto fail;
  47
  48   if (PyModule_AddObject (gdb_py_events.module,
  49                              name,
  50                              (PyObject *)(*registryp)) < 0)
  51     goto fail;
  52
  53   return 0;
  54
  55   fail:
  56    Py_XDECREF (*registryp);
  57    return -1;
  58 }
  59
  60 int
  61 gdbpy_initialize_py_events (void)
  62 {
  63 #ifdef IS_PY3K
  64   gdb_py_events.module = PyModule_Create (&EventModuleDef);
  65 #else
  66   gdb_py_events.module = Py_InitModule ("events", NULL);
  67 #endif
  68
  69   if (!gdb_py_events.module)
  70     return -1;
  71
  72   if (add_new_registry (&gdb_py_events.stop, "stop") < 0)
  73     return -1;
  74
  75   if (add_new_registry (&gdb_py_events.cont, "cont") < 0)
  76     return -1;
  77
  78   if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
  79     return -1;
  80
  81   if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
  82     return -1;
  83
  84   if (PyModule_AddObject (gdb_module,
  85                           "events",
  86                           (PyObject *) gdb_py_events.module) < 0)
  87     return -1;
  88
  89   return 0;
  90 }