127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* Python interface to new object file loading events.
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Copyright (C) 2011-2016 Free Software Foundation, Inc.
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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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#include "defs.h"
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#include "py-event.h"
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extern PyTypeObject new_objfile_event_object_type
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
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extern PyTypeObject clear_objfiles_event_object_type
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
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static PyObject *
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create_new_objfile_event_object (struct objfile *objfile)
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{
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PyObject *objfile_event;
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PyObject *py_objfile;
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objfile_event = create_event_object (&new_objfile_event_object_type);
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if (!objfile_event)
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goto fail;
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/* Note that objfile_to_objfile_object returns a borrowed reference,
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so we don't need a decref here. */
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py_objfile = objfile_to_objfile_object (objfile);
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if (!py_objfile || evpy_add_attribute (objfile_event,
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"new_objfile",
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py_objfile) < 0)
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goto fail;
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return objfile_event;
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fail:
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Py_XDECREF (objfile_event);
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return NULL;
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}
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/* Callback function which notifies observers when a new objfile event occurs.
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This function will create a new Python new_objfile event object.
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Return -1 if emit fails. */
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int
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emit_new_objfile_event (struct objfile *objfile)
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{
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PyObject *event;
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if (evregpy_no_listeners_p (gdb_py_events.new_objfile))
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return 0;
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event = create_new_objfile_event_object (objfile);
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if (event)
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return evpy_emit_event (event, gdb_py_events.new_objfile);
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return -1;
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}
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GDBPY_NEW_EVENT_TYPE (new_objfile,
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"gdb.NewObjFileEvent",
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"NewObjFileEvent",
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"GDB new object file event object",
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event_object_type);
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/* Subroutine of emit_clear_objfiles_event to simplify it. */
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static PyObject *
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create_clear_objfiles_event_object (void)
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{
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PyObject *objfile_event;
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PyObject *py_progspace;
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objfile_event = create_event_object (&clear_objfiles_event_object_type);
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if (!objfile_event)
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goto fail;
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/* Note that pspace_to_pspace_object returns a borrowed reference,
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so we don't need a decref here. */
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py_progspace = pspace_to_pspace_object (current_program_space);
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if (!py_progspace || evpy_add_attribute (objfile_event,
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"progspace",
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py_progspace) < 0)
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goto fail;
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return objfile_event;
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fail:
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Py_XDECREF (objfile_event);
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return NULL;
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}
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/* Callback function which notifies observers when the "clear objfiles"
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event occurs.
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This function will create a new Python clear_objfiles event object.
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Return -1 if emit fails. */
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int
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emit_clear_objfiles_event (void)
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{
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PyObject *event;
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if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles))
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return 0;
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event = create_clear_objfiles_event_object ();
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if (event)
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return evpy_emit_event (event, gdb_py_events.clear_objfiles);
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return -1;
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}
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GDBPY_NEW_EVENT_TYPE (clear_objfiles,
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"gdb.ClearObjFilesEvent",
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"ClearObjFilesEvent",
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"GDB clear object files event object",
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event_object_type);
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