binutils-gdb/gdb/python/py-newobjfileevent.c
Pedro Alves d98fc15be2 gdb/python: Use copy-initialization more when possible
gdb/ChangeLog:
2018-08-24  Pedro Alves  <palves@redhat.com>

	* python/py-bpevent.c (create_breakpoint_event_object): Use
	copy-initialization.
	* python/py-continueevent.c (emit_continue_event): Use
	copy-initialization.
	* python/py-exitedevent.c (create_exited_event_object): Return a
	gdbpy_ref<>.
	(emit_exited_event): Use copy-initialization.
	* python/py-inferior.c (python_new_inferior)
	(python_inferior_deleted, add_thread_object): Use
	copy-initialization.
	* python/py-infevents.c (create_inferior_call_event_object)
	(create_register_changed_event_object)
	(create_memory_changed_event_object): Return a gdbpy_ref<>.
	(emit_inferior_call_event, emit_memory_changed_event)
	(emit_register_changed_event): Use copy-initialization.
	* python/py-newobjfileevent.c (create_new_objfile_event_object):
	Return a gdbpy_ref<>.
	(emit_new_objfile_event): Use copy-initialization.
	(create_clear_objfiles_event_object): Return a gdbpy_ref<>.
	(emit_clear_objfiles_event): Use copy-initialization.
	* python/py-signalevent.c (create_signal_event_object): Use
	copy-initialization.
	* python/py-threadevent.c (create_thread_event_object): Use
	copy-initialization.
2018-08-24 22:57:16 +01:00

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/* Python interface to new object file loading events.
Copyright (C) 2011-2018 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-event.h"
static gdbpy_ref<>
create_new_objfile_event_object (struct objfile *objfile)
{
gdbpy_ref<> objfile_event
= create_event_object (&new_objfile_event_object_type);
if (objfile_event == NULL)
return NULL;
/* Note that objfile_to_objfile_object returns a borrowed reference,
so we don't need a decref here. */
PyObject *py_objfile = objfile_to_objfile_object (objfile);
if (!py_objfile || evpy_add_attribute (objfile_event.get (),
"new_objfile",
py_objfile) < 0)
return NULL;
return objfile_event;
}
/* Callback function which notifies observers when a new objfile event occurs.
This function will create a new Python new_objfile event object.
Return -1 if emit fails. */
int
emit_new_objfile_event (struct objfile *objfile)
{
if (evregpy_no_listeners_p (gdb_py_events.new_objfile))
return 0;
gdbpy_ref<> event = create_new_objfile_event_object (objfile);
if (event != NULL)
return evpy_emit_event (event.get (), gdb_py_events.new_objfile);
return -1;
}
/* Subroutine of emit_clear_objfiles_event to simplify it. */
static gdbpy_ref<>
create_clear_objfiles_event_object (void)
{
gdbpy_ref<> objfile_event
= create_event_object (&clear_objfiles_event_object_type);
if (objfile_event == NULL)
return NULL;
/* Note that pspace_to_pspace_object returns a borrowed reference,
so we don't need a decref here. */
PyObject *py_progspace = pspace_to_pspace_object (current_program_space);
if (!py_progspace || evpy_add_attribute (objfile_event.get (),
"progspace",
py_progspace) < 0)
return NULL;
return objfile_event;
}
/* Callback function which notifies observers when the "clear objfiles"
event occurs.
This function will create a new Python clear_objfiles event object.
Return -1 if emit fails. */
int
emit_clear_objfiles_event (void)
{
if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles))
return 0;
gdbpy_ref<> event = create_clear_objfiles_event_object ();
if (event != NULL)
return evpy_emit_event (event.get (), gdb_py_events.clear_objfiles);
return -1;
}