gdb/python/py-evts.c

   1 /* Python interface to inferior events.
   2
   3    Copyright (C) 2009-2012 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 /* Initialize python events.  */
  24
  25 static int
  26 add_new_registry (eventregistry_object **registryp, char *name)
  27 {
  28   *registryp = create_eventregistry_object ();
  29
  30   if (*registryp == NULL)
  31     goto fail;
  32
  33   if (PyModule_AddObject (gdb_py_events.module,
  34                              name,
  35                              (PyObject *)(*registryp)) < 0)
  36     goto fail;
  37
  38   return 0;
  39
  40   fail:
  41    Py_XDECREF (*registryp);
  42    return -1;
  43 }
  44
  45 void
  46 gdbpy_initialize_py_events (void)
  47 {
  48   gdb_py_events.module = Py_InitModule ("events", NULL);
  49
  50   if (!gdb_py_events.module)
  51     goto fail;
  52
  53   if (add_new_registry (&gdb_py_events.stop, "stop") < 0)
  54     goto fail;
  55
  56   if (add_new_registry (&gdb_py_events.cont, "cont") < 0)
  57     goto fail;
  58
  59   if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
  60     goto fail;
  61
  62   if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
  63     goto fail;
  64
  65   Py_INCREF (gdb_py_events.module);
  66   if (PyModule_AddObject (gdb_module,
  67                           "events",
  68                           (PyObject *) gdb_py_events.module) < 0)
  69     goto fail;
  70
  71   return;
  72
  73   fail:
  74    gdbpy_print_stack ();
  75 }