Change event code to use gdbpy_ref

This changes the event code in the Python layer to use
gdbpy_ref, simplifying the logic in many places.

It also changes evpy_emit_event not to steal a reference to its
argument.  This is simpler to do now that gdbpy_ref is in use;
it's also a reasonable cleanup in its own right.  While doing this I
realized that evpy_emit_event should not be calling gdbpy_print_stack
(all the outermost callers do this if needed), so I removed this as
well.

2017-01-10  Tom Tromey  <tom@tromey.com>

	* python/py-threadevent.c (create_thread_event_object): Use
	gdbpy_ref.
	* python/py-stopevent.c (create_stop_event_object): Simplify.
	(emit_stop_event): Use gdbpy_ref.
	* python/py-signalevent.c (create_signal_event_object): Use
	gdbpy_ref.
	* python/py-newobjfileevent.c (create_new_objfile_event_object)
	(emit_new_objfile_event, create_clear_objfiles_event_object)
	(emit_clear_objfiles_event): Use gdbpy_ref.
	* python/py-infevents.c (create_inferior_call_event_object)
	(create_register_changed_event_object)
	(create_memory_changed_event_object, emit_inferior_call_event)
	(emit_memory_changed_event, emit_register_changed_event): Use
	gdbpy_ref.
	* python/py-exitedevent.c (create_exited_event_object)
	(emit_exited_event): Use gdbpy_ref.
	* python/py-event.h (evpy_emit_event): Remove
	CPYCHECKER_STEALS_REFERENCE_TO_ARG annotation.
	* python/py-event.c (evpy_emit_event): Use gdbpy_ref.
	* python/py-continueevent.c (emit_continue_event): Use
	gdbpy_ref.
	* python/py-breakpoint.c (gdbpy_breakpoint_created)
	(gdbpy_breakpoint_deleted, gdbpy_breakpoint_modified): Use
	gdbpy_ref.
	* python/py-bpevent.c (create_breakpoint_event_object): Use
	gdbpy_ref.
This commit is contained in:
Tom Tromey 2016-11-06 20:42:32 -07:00
parent a68ff33e0d
commit abf5651e47
12 changed files with 167 additions and 272 deletions

View file

@ -19,6 +19,7 @@
#include "defs.h"
#include "py-stopevent.h"
#include "py-ref.h"
extern PyTypeObject breakpoint_event_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
@ -29,26 +30,22 @@ extern PyTypeObject breakpoint_event_object_type
PyObject *
create_breakpoint_event_object (PyObject *breakpoint_list, PyObject *first_bp)
{
PyObject *breakpoint_event_obj =
create_stop_event_object (&breakpoint_event_object_type);
gdbpy_ref breakpoint_event_obj
(create_stop_event_object (&breakpoint_event_object_type));
if (!breakpoint_event_obj)
goto fail;
if (breakpoint_event_obj == NULL)
return NULL;
if (evpy_add_attribute (breakpoint_event_obj,
if (evpy_add_attribute (breakpoint_event_obj.get (),
"breakpoint",
first_bp) < 0)
goto fail;
if (evpy_add_attribute (breakpoint_event_obj,
return NULL;
if (evpy_add_attribute (breakpoint_event_obj.get (),
"breakpoints",
breakpoint_list) < 0)
goto fail;
return NULL;
return breakpoint_event_obj;
fail:
Py_XDECREF (breakpoint_event_obj);
return NULL;
return breakpoint_event_obj.release ();
}
GDBPY_NEW_EVENT_TYPE (breakpoint,