old-cross-binutils/gdb/python/py-evts.c
Tom Tromey dac790e1b9 PR python/15620, PR python/18620 - breakpoint events in Python
This patch adds some breakpoint events to Python.  In particular,
there is a creation event that is emitted when a breakpoint is
created; a modification event that is emitted when a breakpoint
changes somehow; and a deletion event that is emitted when a
breakpoint is deleted.

In this patch, the event's payload is the breakpoint itself.  I
considered making a new event type to hold the breakpoint, but I
didn't see a need.  Still, I thought I would mention this as a spot
where some other choice is possible.

Built and regtested on x86-64 Fedora 23.

2016-07-13  Tom Tromey  <tom@tromey.com>

	PR python/15620, PR python/18620:
	* python/py-evts.c (gdbpy_initialize_py_events): Call
	add_new_registry for new events.
	* python/py-events.h (events_object) <breakpoint_created,
	breakpoint_deleted, breakpoint_modified>: New fields.
	* python/py-breakpoint.c (gdbpy_breakpoint_created): Emit the
	breakpoint changed event.
	(gdbpy_breakpoint_deleted): Emit the breakpoint deleted event.
	(gdbpy_breakpoint_modified): New function.
	(gdbpy_initialize_breakpoints): Attach to the breakpoint modified
	observer.

2016-07-13  Tom Tromey  <tom@tromey.com>

	PR python/15620, PR python/18620:
	* python.texi (Events In Python): Document new breakpoint events.

2016-07-13  Tom Tromey  <tom@tromey.com>

	PR python/15620, PR python/18620:
	* gdb.python/py-breakpoint.exp (connect_event, check_last_event)
	(test_bkpt_events): New procs.
2016-07-13 13:59:55 -06:00

109 lines
2.7 KiB
C

/* Python interface to inferior events.
Copyright (C) 2009-2016 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "py-events.h"
#ifdef IS_PY3K
static struct PyModuleDef EventModuleDef =
{
PyModuleDef_HEAD_INIT,
"gdb.events",
NULL,
-1,
NULL,
NULL,
NULL,
NULL,
NULL
};
#endif
/* Initialize python events. */
static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
add_new_registry (eventregistry_object **registryp, char *name)
{
*registryp = create_eventregistry_object ();
if (*registryp == NULL)
return -1;
return gdb_pymodule_addobject (gdb_py_events.module,
name,
(PyObject *)(*registryp));
}
int
gdbpy_initialize_py_events (void)
{
#ifdef IS_PY3K
gdb_py_events.module = PyModule_Create (&EventModuleDef);
#else
gdb_py_events.module = Py_InitModule ("events", NULL);
#endif
if (!gdb_py_events.module)
return -1;
if (add_new_registry (&gdb_py_events.stop, "stop") < 0)
return -1;
if (add_new_registry (&gdb_py_events.cont, "cont") < 0)
return -1;
if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
return -1;
if (add_new_registry (&gdb_py_events.inferior_call,
"inferior_call") < 0)
return -1;
if (add_new_registry (&gdb_py_events.memory_changed,
"memory_changed") < 0)
return -1;
if (add_new_registry (&gdb_py_events.register_changed,
"register_changed") < 0)
return -1;
if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
return -1;
if (add_new_registry (&gdb_py_events.clear_objfiles, "clear_objfiles") < 0)
return -1;
if (add_new_registry (&gdb_py_events.breakpoint_created,
"breakpoint_created") < 0)
return -1;
if (add_new_registry (&gdb_py_events.breakpoint_deleted,
"breakpoint_deleted") < 0)
return -1;
if (add_new_registry (&gdb_py_events.breakpoint_modified,
"breakpoint_modified") < 0)
return -1;
if (gdb_pymodule_addobject (gdb_module,
"events",
(PyObject *) gdb_py_events.module) < 0)
return -1;
return 0;
}