2011-02-05 06:27:23 +01:00
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/* Python interface to inferior events.
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2016-01-01 05:33:14 +01:00
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Copyright (C) 2009-2016 Free Software Foundation, Inc.
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2011-02-05 06:27:23 +01:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2012-11-08 20:38:43 +01:00
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#include "defs.h"
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2011-02-05 06:27:23 +01:00
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#include "py-event.h"
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void
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evpy_dealloc (PyObject *self)
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{
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Py_XDECREF (((event_object *) self)->dict);
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2012-12-12 17:47:30 +01:00
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Py_TYPE (self)->tp_free (self);
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2011-02-05 06:27:23 +01:00
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}
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PyObject *
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create_event_object (PyTypeObject *py_type)
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{
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event_object *event_obj;
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event_obj = PyObject_New (event_object, py_type);
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if (!event_obj)
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goto fail;
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event_obj->dict = PyDict_New ();
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if (!event_obj->dict)
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goto fail;
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return (PyObject*) event_obj;
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fail:
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Py_XDECREF (event_obj);
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return NULL;
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}
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/* Add the attribute ATTR to the event object EVENT. In
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python this attribute will be accessible by the name NAME.
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2012-08-15 16:22:02 +02:00
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returns 0 if the operation succeeds and -1 otherwise. This
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function acquires a new reference to ATTR. */
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2011-02-05 06:27:23 +01:00
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int
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evpy_add_attribute (PyObject *event, char *name, PyObject *attr)
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{
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return PyObject_SetAttrString (event, name, attr);
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}
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/* Initialize the Python event code. */
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* python/py-arch.c (gdbpy_initialize_arch): Return 'int'.
Check errors.
* python/py-auto-load.c (gdbpy_initialize_auto_load): Return 'int'.
* python/py-block.c (gdbpy_initialize_blocks): Return 'int'.
Check errors.
* python/py-breakpoint.c (gdbpy_initialize_breakpoints): Return 'int'.
Check errors.
* python/py-cmd.c (gdbpy_initialize_commands): Return 'int'.
Check errors.
* python/py-event.c (gdbpy_initialize_event): Return 'int'.
Check errors.
* python/py-event.h (GDBPY_NEW_EVENT_TYPE): Change generated
init function to return 'int'.
* python/py-evtregistry.c (gdbpy_initialize_eventregistry):
Return 'int'. Check errors.
* python/py-evts.c (gdbpy_initialize_py_events): Return 'int'.
Check errors.
* python/py-finishbreakpoint.c (gdbpy_initialize_finishbreakpoints):
Return 'int'. Check errors.
* python/py-frame.c (gdbpy_initialize_frames): Return 'int'.
Check errors.
* python/py-function.c (gdbpy_initialize_functions): Return 'int'.
Check errors.
* python/py-gdb-readline.c (gdbpy_initialize_gdb_readline):
Check errors.
* python/py-inferior.c (gdbpy_initialize_inferior): Return 'int'.
Check errors.
* python/py-infthread.c (gdbpy_initialize_thread): Return 'int'.
Check errors.
* python/py-lazy-string.c (gdbpy_initialize_lazy_string): Return 'int'.
Check errors.
* python/py-objfile.c (gdbpy_initialize_objfile): Return 'int'.
Check errors.
* python/py-param.c (gdbpy_initialize_parameters): Return 'int'.
Check errors.
* python/py-progspace.c (gdbpy_initialize_pspace): Return 'int'.
Check errors.
* python/py-symbol.c (gdbpy_initialize_symbols): Return 'int'.
Check errors.
* python/py-symtab.c (gdbpy_initialize_symtabs): Return 'int'.
Check errors.
* python/py-type.c (gdbpy_initialize_types): Return 'int'.
Check errors.
* python/py-value.c (gdbpy_initialize_values): Return 'int'.
Check errors.
* python/python-internal.h (gdbpy_initialize_auto_load,
gdbpy_initialize_values, gdbpy_initialize_frames,
gdbpy_initialize_symtabs, gdbpy_initialize_commands,
gdbpy_initialize_symbols, gdbpy_initialize_symtabs,
gdbpy_initialize_blocks, gdbpy_initialize_types,
gdbpy_initialize_functions, gdbpy_initialize_pspace,
gdbpy_initialize_objfile, gdbpy_initialize_breakpoints,
gdbpy_initialize_finishbreakpoints,
gdbpy_initialize_lazy_string, gdbpy_initialize_parameters,
gdbpy_initialize_thread, gdbpy_initialize_inferior,
gdbpy_initialize_eventregistry, gdbpy_initialize_event,
gdbpy_initialize_py_events, gdbpy_initialize_stop_event,
gdbpy_initialize_signal_event,
gdbpy_initialize_breakpoint_event,
gdbpy_initialize_continue_event,
gdbpy_initialize_exited_event, gdbpy_initialize_thread_event,
gdbpy_initialize_new_objfile_event, gdbpy_initialize_arch):
Update. Use CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION.
* python/python.c (gdb_python_initialized): New global.
(gdbpy_initialize_events): Return 'int'. Check errors.
(_initialize_python): Check errors. Set
gdb_python_initialized.
2013-05-20 22:28:52 +02:00
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int
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2011-02-05 06:27:23 +01:00
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gdbpy_initialize_event (void)
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{
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* python/py-arch.c (gdbpy_initialize_arch): Return 'int'.
Check errors.
* python/py-auto-load.c (gdbpy_initialize_auto_load): Return 'int'.
* python/py-block.c (gdbpy_initialize_blocks): Return 'int'.
Check errors.
* python/py-breakpoint.c (gdbpy_initialize_breakpoints): Return 'int'.
Check errors.
* python/py-cmd.c (gdbpy_initialize_commands): Return 'int'.
Check errors.
* python/py-event.c (gdbpy_initialize_event): Return 'int'.
Check errors.
* python/py-event.h (GDBPY_NEW_EVENT_TYPE): Change generated
init function to return 'int'.
* python/py-evtregistry.c (gdbpy_initialize_eventregistry):
Return 'int'. Check errors.
* python/py-evts.c (gdbpy_initialize_py_events): Return 'int'.
Check errors.
* python/py-finishbreakpoint.c (gdbpy_initialize_finishbreakpoints):
Return 'int'. Check errors.
* python/py-frame.c (gdbpy_initialize_frames): Return 'int'.
Check errors.
* python/py-function.c (gdbpy_initialize_functions): Return 'int'.
Check errors.
* python/py-gdb-readline.c (gdbpy_initialize_gdb_readline):
Check errors.
* python/py-inferior.c (gdbpy_initialize_inferior): Return 'int'.
Check errors.
* python/py-infthread.c (gdbpy_initialize_thread): Return 'int'.
Check errors.
* python/py-lazy-string.c (gdbpy_initialize_lazy_string): Return 'int'.
Check errors.
* python/py-objfile.c (gdbpy_initialize_objfile): Return 'int'.
Check errors.
* python/py-param.c (gdbpy_initialize_parameters): Return 'int'.
Check errors.
* python/py-progspace.c (gdbpy_initialize_pspace): Return 'int'.
Check errors.
* python/py-symbol.c (gdbpy_initialize_symbols): Return 'int'.
Check errors.
* python/py-symtab.c (gdbpy_initialize_symtabs): Return 'int'.
Check errors.
* python/py-type.c (gdbpy_initialize_types): Return 'int'.
Check errors.
* python/py-value.c (gdbpy_initialize_values): Return 'int'.
Check errors.
* python/python-internal.h (gdbpy_initialize_auto_load,
gdbpy_initialize_values, gdbpy_initialize_frames,
gdbpy_initialize_symtabs, gdbpy_initialize_commands,
gdbpy_initialize_symbols, gdbpy_initialize_symtabs,
gdbpy_initialize_blocks, gdbpy_initialize_types,
gdbpy_initialize_functions, gdbpy_initialize_pspace,
gdbpy_initialize_objfile, gdbpy_initialize_breakpoints,
gdbpy_initialize_finishbreakpoints,
gdbpy_initialize_lazy_string, gdbpy_initialize_parameters,
gdbpy_initialize_thread, gdbpy_initialize_inferior,
gdbpy_initialize_eventregistry, gdbpy_initialize_event,
gdbpy_initialize_py_events, gdbpy_initialize_stop_event,
gdbpy_initialize_signal_event,
gdbpy_initialize_breakpoint_event,
gdbpy_initialize_continue_event,
gdbpy_initialize_exited_event, gdbpy_initialize_thread_event,
gdbpy_initialize_new_objfile_event, gdbpy_initialize_arch):
Update. Use CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION.
* python/python.c (gdb_python_initialized): New global.
(gdbpy_initialize_events): Return 'int'. Check errors.
(_initialize_python): Check errors. Set
gdb_python_initialized.
2013-05-20 22:28:52 +02:00
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return gdbpy_initialize_event_generic (&event_object_type,
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"Event");
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2011-02-05 06:27:23 +01:00
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}
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/* Initialize the given event type. If BASE is not NULL it will
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be set as the types base.
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Returns 0 if initialization was successful -1 otherwise. */
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int
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gdbpy_initialize_event_generic (PyTypeObject *type,
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char *name)
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{
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if (PyType_Ready (type) < 0)
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2013-05-20 22:26:39 +02:00
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return -1;
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2011-02-05 06:27:23 +01:00
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2013-05-20 22:36:19 +02:00
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return gdb_pymodule_addobject (gdb_module, name, (PyObject *) type);
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2011-02-05 06:27:23 +01:00
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}
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/* Notify the list of listens that the given EVENT has occurred.
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returns 0 if emit is successful -1 otherwise. */
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int
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evpy_emit_event (PyObject *event,
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eventregistry_object *registry)
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{
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PyObject *callback_list_copy = NULL;
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Py_ssize_t i;
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/* Create a copy of call back list and use that for
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notifying listeners to avoid skipping callbacks
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in the case of a callback being disconnected during
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a notification. */
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callback_list_copy = PySequence_List (registry->callbacks);
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if (!callback_list_copy)
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goto fail;
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for (i = 0; i < PyList_Size (callback_list_copy); i++)
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{
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PyObject *func = PyList_GetItem (callback_list_copy, i);
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2013-05-20 22:23:19 +02:00
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PyObject *func_result;
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2011-02-05 06:27:23 +01:00
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if (func == NULL)
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goto fail;
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2013-05-20 22:23:19 +02:00
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func_result = PyObject_CallFunctionObjArgs (func, event, NULL);
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if (func_result == NULL)
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2011-02-05 06:27:23 +01:00
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{
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/* Print the trace here, but keep going -- we want to try to
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call all of the callbacks even if one is broken. */
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gdbpy_print_stack ();
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}
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2013-05-20 22:23:19 +02:00
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else
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{
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Py_DECREF (func_result);
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}
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2011-02-05 06:27:23 +01:00
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}
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Py_XDECREF (callback_list_copy);
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Py_XDECREF (event);
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return 0;
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fail:
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gdbpy_print_stack ();
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Py_XDECREF (callback_list_copy);
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Py_XDECREF (event);
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return -1;
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}
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2012-02-17 20:24:27 +01:00
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static PyGetSetDef event_object_getset[] =
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{
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{ "__dict__", gdb_py_generic_dict, NULL,
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"The __dict__ for this event.", &event_object_type },
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{ NULL }
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};
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2011-02-05 06:27:23 +01:00
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PyTypeObject event_object_type =
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{
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2012-12-12 17:47:30 +01:00
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PyVarObject_HEAD_INIT (NULL, 0)
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2011-02-05 06:27:23 +01:00
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"gdb.Event", /* tp_name */
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sizeof (event_object), /* tp_basicsize */
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0, /* tp_itemsize */
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evpy_dealloc, /* tp_dealloc */
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0, /* tp_print */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_compare */
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0, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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0, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
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"GDB event object", /* tp_doc */
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0, /* tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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0, /* tp_iter */
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0, /* tp_iternext */
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0, /* tp_methods */
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0, /* tp_members */
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2012-02-17 20:24:27 +01:00
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event_object_getset, /* tp_getset */
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2011-02-05 06:27:23 +01:00
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0, /* tp_base */
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0, /* tp_dict */
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0, /* tp_descr_get */
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0, /* tp_descr_set */
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offsetof (event_object, dict), /* tp_dictoffset */
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0, /* tp_init */
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0 /* tp_alloc */
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};
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