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01b71697 KP |
1 | /* Python interface to new object file loading events. |
2 | ||
61baf725 | 3 | Copyright (C) 2011-2017 Free Software Foundation, Inc. |
01b71697 KP |
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 | ||
d071a26b | 20 | #include "defs.h" |
01b71697 KP |
21 | #include "py-event.h" |
22 | ||
e36122e9 | 23 | extern PyTypeObject new_objfile_event_object_type |
62eec1a5 | 24 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object"); |
e36122e9 | 25 | extern PyTypeObject clear_objfiles_event_object_type |
4ffbba72 | 26 | CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object"); |
01b71697 | 27 | |
49a8461d | 28 | static PyObject * |
01b71697 KP |
29 | create_new_objfile_event_object (struct objfile *objfile) |
30 | { | |
f1070426 | 31 | PyObject *py_objfile; |
01b71697 | 32 | |
7780f186 | 33 | gdbpy_ref<> objfile_event |
abf5651e TT |
34 | (create_event_object (&new_objfile_event_object_type)); |
35 | if (objfile_event == NULL) | |
36 | return NULL; | |
01b71697 | 37 | |
f1070426 TT |
38 | /* Note that objfile_to_objfile_object returns a borrowed reference, |
39 | so we don't need a decref here. */ | |
01b71697 | 40 | py_objfile = objfile_to_objfile_object (objfile); |
abf5651e | 41 | if (!py_objfile || evpy_add_attribute (objfile_event.get (), |
01b71697 KP |
42 | "new_objfile", |
43 | py_objfile) < 0) | |
abf5651e | 44 | return NULL; |
01b71697 | 45 | |
abf5651e | 46 | return objfile_event.release (); |
01b71697 KP |
47 | } |
48 | ||
49 | /* Callback function which notifies observers when a new objfile event occurs. | |
50 | This function will create a new Python new_objfile event object. | |
51 | Return -1 if emit fails. */ | |
52 | ||
53 | int | |
54 | emit_new_objfile_event (struct objfile *objfile) | |
55 | { | |
01b71697 KP |
56 | if (evregpy_no_listeners_p (gdb_py_events.new_objfile)) |
57 | return 0; | |
58 | ||
7780f186 | 59 | gdbpy_ref<> event (create_new_objfile_event_object (objfile)); |
abf5651e TT |
60 | if (event != NULL) |
61 | return evpy_emit_event (event.get (), gdb_py_events.new_objfile); | |
01b71697 KP |
62 | return -1; |
63 | } | |
64 | ||
65 | GDBPY_NEW_EVENT_TYPE (new_objfile, | |
66 | "gdb.NewObjFileEvent", | |
67 | "NewObjFileEvent", | |
68 | "GDB new object file event object", | |
e36122e9 | 69 | event_object_type); |
4ffbba72 DE |
70 | \f |
71 | /* Subroutine of emit_clear_objfiles_event to simplify it. */ | |
72 | ||
73 | static PyObject * | |
74 | create_clear_objfiles_event_object (void) | |
75 | { | |
4ffbba72 DE |
76 | PyObject *py_progspace; |
77 | ||
7780f186 | 78 | gdbpy_ref<> objfile_event |
abf5651e TT |
79 | (create_event_object (&clear_objfiles_event_object_type)); |
80 | if (objfile_event == NULL) | |
81 | return NULL; | |
4ffbba72 DE |
82 | |
83 | /* Note that pspace_to_pspace_object returns a borrowed reference, | |
84 | so we don't need a decref here. */ | |
85 | py_progspace = pspace_to_pspace_object (current_program_space); | |
abf5651e | 86 | if (!py_progspace || evpy_add_attribute (objfile_event.get (), |
4ffbba72 DE |
87 | "progspace", |
88 | py_progspace) < 0) | |
abf5651e | 89 | return NULL; |
4ffbba72 | 90 | |
abf5651e | 91 | return objfile_event.release (); |
4ffbba72 DE |
92 | } |
93 | ||
94 | /* Callback function which notifies observers when the "clear objfiles" | |
95 | event occurs. | |
96 | This function will create a new Python clear_objfiles event object. | |
97 | Return -1 if emit fails. */ | |
98 | ||
99 | int | |
100 | emit_clear_objfiles_event (void) | |
101 | { | |
4ffbba72 DE |
102 | if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles)) |
103 | return 0; | |
104 | ||
7780f186 | 105 | gdbpy_ref<> event (create_clear_objfiles_event_object ()); |
abf5651e TT |
106 | if (event != NULL) |
107 | return evpy_emit_event (event.get (), gdb_py_events.clear_objfiles); | |
4ffbba72 DE |
108 | return -1; |
109 | } | |
110 | ||
111 | GDBPY_NEW_EVENT_TYPE (clear_objfiles, | |
112 | "gdb.ClearObjFilesEvent", | |
113 | "ClearObjFilesEvent", | |
114 | "GDB clear object files event object", | |
e36122e9 | 115 | event_object_type); |