gdb/python/py-evts.c

   1 /* Python interface to inferior events.
   2
   3    Copyright (C) 2009-2018 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 #define GDB_PY_DEFINE_EVENT(name)                               \
  66   if (add_new_registry (&gdb_py_events.name, #name) < 0)        \
  67     return -1;
  68 #include "py-all-events.def"
  69 #undef GDB_PY_DEFINE_EVENT
  70
  71   if (gdb_pymodule_addobject (gdb_module,
  72                               "events",
  73                               (PyObject *) gdb_py_events.module) < 0)
  74     return -1;
  75
  76   return 0;
  77 }