| 1 | /* Python interface to new object file loading events. |
| 2 | |
| 3 | Copyright (C) 2011-2018 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "py-event.h" |
| 22 | |
| 23 | static gdbpy_ref<> |
| 24 | create_new_objfile_event_object (struct objfile *objfile) |
| 25 | { |
| 26 | gdbpy_ref<> objfile_event |
| 27 | = create_event_object (&new_objfile_event_object_type); |
| 28 | if (objfile_event == NULL) |
| 29 | return NULL; |
| 30 | |
| 31 | gdbpy_ref<> py_objfile = objfile_to_objfile_object (objfile); |
| 32 | if (py_objfile == NULL || evpy_add_attribute (objfile_event.get (), |
| 33 | "new_objfile", |
| 34 | py_objfile.get ()) < 0) |
| 35 | return NULL; |
| 36 | |
| 37 | return objfile_event; |
| 38 | } |
| 39 | |
| 40 | /* Callback function which notifies observers when a new objfile event occurs. |
| 41 | This function will create a new Python new_objfile event object. |
| 42 | Return -1 if emit fails. */ |
| 43 | |
| 44 | int |
| 45 | emit_new_objfile_event (struct objfile *objfile) |
| 46 | { |
| 47 | if (evregpy_no_listeners_p (gdb_py_events.new_objfile)) |
| 48 | return 0; |
| 49 | |
| 50 | gdbpy_ref<> event = create_new_objfile_event_object (objfile); |
| 51 | if (event != NULL) |
| 52 | return evpy_emit_event (event.get (), gdb_py_events.new_objfile); |
| 53 | return -1; |
| 54 | } |
| 55 | |
| 56 | \f |
| 57 | /* Subroutine of emit_clear_objfiles_event to simplify it. */ |
| 58 | |
| 59 | static gdbpy_ref<> |
| 60 | create_clear_objfiles_event_object (void) |
| 61 | { |
| 62 | gdbpy_ref<> objfile_event |
| 63 | = create_event_object (&clear_objfiles_event_object_type); |
| 64 | if (objfile_event == NULL) |
| 65 | return NULL; |
| 66 | |
| 67 | gdbpy_ref<> py_progspace = pspace_to_pspace_object (current_program_space); |
| 68 | if (py_progspace == NULL || evpy_add_attribute (objfile_event.get (), |
| 69 | "progspace", |
| 70 | py_progspace.get ()) < 0) |
| 71 | return NULL; |
| 72 | |
| 73 | return objfile_event; |
| 74 | } |
| 75 | |
| 76 | /* Callback function which notifies observers when the "clear objfiles" |
| 77 | event occurs. |
| 78 | This function will create a new Python clear_objfiles event object. |
| 79 | Return -1 if emit fails. */ |
| 80 | |
| 81 | int |
| 82 | emit_clear_objfiles_event (void) |
| 83 | { |
| 84 | if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles)) |
| 85 | return 0; |
| 86 | |
| 87 | gdbpy_ref<> event = create_clear_objfiles_event_object (); |
| 88 | if (event != NULL) |
| 89 | return evpy_emit_event (event.get (), gdb_py_events.clear_objfiles); |
| 90 | return -1; |
| 91 | } |