gdb/python/py-evts.c

   1 /* Python interface to inferior events.
   2
   3    Copyright (C) 2009-2023 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 static struct PyModuleDef EventModuleDef =
  24 {
  25   PyModuleDef_HEAD_INIT,
  26   "_gdbevents",
  27   NULL,
  28   -1,
  29   NULL,
  30   NULL,
  31   NULL,
  32   NULL,
  33   NULL
  34 };
  35
  36 /* Helper function to add a single event registry to the events
  37    module.  */
  38
  39 static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
  40 add_new_registry (eventregistry_object **registryp, const char *name)
  41 {
  42   *registryp = create_eventregistry_object ();
  43
  44   if (*registryp == NULL)
  45     return -1;
  46
  47   return gdb_pymodule_addobject (gdb_py_events.module,
  48                                  name,
  49                                  (PyObject *)(*registryp));
  50 }
  51
  52 /* Create and populate the _gdbevents module.  Note that this is
  53    always created, see the base gdb __init__.py.  */
  54
  55 PyMODINIT_FUNC
  56 gdbpy_events_mod_func ()
  57 {
  58   gdb_py_events.module = PyModule_Create (&EventModuleDef);
  59   if (gdb_py_events.module == nullptr)
  60     return nullptr;
  61
  62 #define GDB_PY_DEFINE_EVENT(name)                                       \
  63   if (add_new_registry (&gdb_py_events.name, #name) < 0)        \
  64     return nullptr;
  65 #include "py-all-events.def"
  66 #undef GDB_PY_DEFINE_EVENT
  67
  68   return gdb_py_events.module;
  69 }