gdb/python/py-evts.c

   1 /* Python interface to inferior events.
   2
   3    Copyright (C) 2009-2016 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   int result;
  44
  45   *registryp = create_eventregistry_object ();
  46
  47   if (*registryp == NULL)
  48     return -1;
  49
  50   return gdb_pymodule_addobject (gdb_py_events.module,
  51                                  name,
  52                                  (PyObject *)(*registryp));
  53 }
  54
  55 int
  56 gdbpy_initialize_py_events (void)
  57 {
  58 #ifdef IS_PY3K
  59   gdb_py_events.module = PyModule_Create (&EventModuleDef);
  60 #else
  61   gdb_py_events.module = Py_InitModule ("events", NULL);
  62 #endif
  63
  64   if (!gdb_py_events.module)
  65     return -1;
  66
  67   if (add_new_registry (&gdb_py_events.stop, "stop") < 0)
  68     return -1;
  69
  70   if (add_new_registry (&gdb_py_events.cont, "cont") < 0)
  71     return -1;
  72
  73   if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
  74     return -1;
  75
  76   if (add_new_registry (&gdb_py_events.inferior_call,
  77                         "inferior_call") < 0)
  78     return -1;
  79
  80   if (add_new_registry (&gdb_py_events.memory_changed,
  81                         "memory_changed") < 0)
  82     return -1;
  83
  84   if (add_new_registry (&gdb_py_events.register_changed,
  85                         "register_changed") < 0)
  86     return -1;
  87
  88   if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
  89     return -1;
  90
  91   if (add_new_registry (&gdb_py_events.clear_objfiles, "clear_objfiles") < 0)
  92     return -1;
  93
  94   if (gdb_pymodule_addobject (gdb_module,
  95                               "events",
  96                               (PyObject *) gdb_py_events.module) < 0)
  97     return -1;
  98
  99   return 0;
 100 }