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/* Python interface to new object file loading events.
Copyright (C) 2011-2017 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"
extern PyTypeObject new_objfile_event_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
extern PyTypeObject clear_objfiles_event_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
static PyObject *
create_new_objfile_event_object (struct objfile *objfile)
{
PyObject *objfile_event;
PyObject *py_objfile;
objfile_event = create_event_object (&new_objfile_event_object_type);
if (!objfile_event)
goto fail;
/* Note that objfile_to_objfile_object returns a borrowed reference,
so we don't need a decref here. */
py_objfile = objfile_to_objfile_object (objfile);
if (!py_objfile || evpy_add_attribute (objfile_event,
"new_objfile",
py_objfile) < 0)
goto fail;
return objfile_event;
fail:
Py_XDECREF (objfile_event);
return NULL;
}
/* 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)
{
PyObject *event;
if (evregpy_no_listeners_p (gdb_py_events.new_objfile))
return 0;
event = create_new_objfile_event_object (objfile);
if (event)
return evpy_emit_event (event, gdb_py_events.new_objfile);
return -1;
}
GDBPY_NEW_EVENT_TYPE (new_objfile,
"gdb.NewObjFileEvent",
"NewObjFileEvent",
"GDB new object file event object",
event_object_type);
/* Subroutine of emit_clear_objfiles_event to simplify it. */
static PyObject *
create_clear_objfiles_event_object (void)
{
PyObject *objfile_event;
PyObject *py_progspace;
objfile_event = create_event_object (&clear_objfiles_event_object_type);
if (!objfile_event)
goto fail;
/* Note that pspace_to_pspace_object returns a borrowed reference,
so we don't need a decref here. */
py_progspace = pspace_to_pspace_object (current_program_space);
if (!py_progspace || evpy_add_attribute (objfile_event,
"progspace",
py_progspace) < 0)
goto fail;
return objfile_event;
fail:
Py_XDECREF (objfile_event);
return NULL;
}
/* 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)
{
PyObject *event;
if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles))
return 0;
event = create_clear_objfiles_event_object ();
if (event)
return evpy_emit_event (event, gdb_py_events.clear_objfiles);
return -1;
}
GDBPY_NEW_EVENT_TYPE (clear_objfiles,
"gdb.ClearObjFilesEvent",
"ClearObjFilesEvent",
"GDB clear object files event object",
event_object_type);
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