Commit | Line | Data |
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021e7609 AC |
1 | /* TUI Interpreter definitions for GDB, the GNU debugger. |
2 | ||
32d0add0 | 3 | Copyright (C) 2003-2015 Free Software Foundation, Inc. |
021e7609 AC |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
021e7609 AC |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
021e7609 AC |
19 | |
20 | #include "defs.h" | |
21 | #include "interps.h" | |
22 | #include "top.h" | |
23 | #include "event-top.h" | |
24 | #include "event-loop.h" | |
25 | #include "ui-out.h" | |
95cd630e | 26 | #include "cli-out.h" |
d7b2e967 | 27 | #include "tui/tui-data.h" |
021e7609 | 28 | #include "readline/readline.h" |
d7b2e967 | 29 | #include "tui/tui-win.h" |
021e7609 | 30 | #include "tui/tui.h" |
d7b2e967 | 31 | #include "tui/tui-io.h" |
fd664c91 PA |
32 | #include "infrun.h" |
33 | #include "observer.h" | |
34 | ||
35 | static struct ui_out *tui_ui_out (struct interp *self); | |
021e7609 | 36 | |
1cc6d956 MS |
37 | /* Set to 1 when the TUI mode must be activated when we first start |
38 | gdb. */ | |
63858210 SC |
39 | static int tui_start_enabled = 0; |
40 | ||
fd664c91 PA |
41 | /* The TUI interpreter. */ |
42 | static struct interp *tui_interp; | |
43 | ||
021e7609 AC |
44 | /* Cleanup the tui before exiting. */ |
45 | ||
46 | static void | |
47 | tui_exit (void) | |
48 | { | |
1cc6d956 MS |
49 | /* Disable the tui. Curses mode is left leaving the screen in a |
50 | clean state (see endwin()). */ | |
021e7609 AC |
51 | tui_disable (); |
52 | } | |
53 | ||
fd664c91 PA |
54 | /* Observers for several run control events. If the interpreter is |
55 | quiet (i.e., another interpreter is being run with | |
56 | interpreter-exec), print nothing. */ | |
57 | ||
58 | /* Observer for the signal_received notification. */ | |
59 | ||
60 | static void | |
61 | tui_on_signal_received (enum gdb_signal siggnal) | |
62 | { | |
63 | if (!interp_quiet_p (tui_interp)) | |
64 | print_signal_received_reason (tui_ui_out (tui_interp), siggnal); | |
65 | } | |
66 | ||
67 | /* Observer for the end_stepping_range notification. */ | |
68 | ||
69 | static void | |
70 | tui_on_end_stepping_range (void) | |
71 | { | |
72 | if (!interp_quiet_p (tui_interp)) | |
73 | print_end_stepping_range_reason (tui_ui_out (tui_interp)); | |
74 | } | |
75 | ||
76 | /* Observer for the signal_exited notification. */ | |
77 | ||
78 | static void | |
79 | tui_on_signal_exited (enum gdb_signal siggnal) | |
80 | { | |
81 | if (!interp_quiet_p (tui_interp)) | |
82 | print_signal_exited_reason (tui_ui_out (tui_interp), siggnal); | |
83 | } | |
84 | ||
85 | /* Observer for the exited notification. */ | |
86 | ||
87 | static void | |
88 | tui_on_exited (int exitstatus) | |
89 | { | |
90 | if (!interp_quiet_p (tui_interp)) | |
91 | print_exited_reason (tui_ui_out (tui_interp), exitstatus); | |
92 | } | |
93 | ||
94 | /* Observer for the no_history notification. */ | |
95 | ||
96 | static void | |
97 | tui_on_no_history (void) | |
98 | { | |
99 | if (!interp_quiet_p (tui_interp)) | |
100 | print_no_history_reason (tui_ui_out (tui_interp)); | |
101 | } | |
102 | ||
92bcb5f9 PA |
103 | /* Observer for the sync_execution_done notification. */ |
104 | ||
105 | static void | |
106 | tui_on_sync_execution_done (void) | |
107 | { | |
108 | if (!interp_quiet_p (tui_interp)) | |
109 | display_gdb_prompt (NULL); | |
110 | } | |
111 | ||
112 | /* Observer for the command_error notification. */ | |
113 | ||
114 | static void | |
115 | tui_on_command_error (void) | |
116 | { | |
117 | if (!interp_quiet_p (tui_interp)) | |
118 | display_gdb_prompt (NULL); | |
119 | } | |
120 | ||
021e7609 AC |
121 | /* These implement the TUI interpreter. */ |
122 | ||
123 | static void * | |
4801a9a3 | 124 | tui_init (struct interp *self, int top_level) |
021e7609 AC |
125 | { |
126 | /* Install exit handler to leave the screen in a good shape. */ | |
127 | atexit (tui_exit); | |
128 | ||
dd1abb8c | 129 | tui_initialize_static_data (); |
021e7609 AC |
130 | |
131 | tui_initialize_io (); | |
9612b5ec | 132 | tui_initialize_win (); |
1180b2c8 L |
133 | if (ui_file_isatty (gdb_stdout)) |
134 | tui_initialize_readline (); | |
021e7609 | 135 | |
fd664c91 PA |
136 | /* If changing this, remember to update cli-interp.c as well. */ |
137 | observer_attach_signal_received (tui_on_signal_received); | |
138 | observer_attach_end_stepping_range (tui_on_end_stepping_range); | |
139 | observer_attach_signal_exited (tui_on_signal_exited); | |
140 | observer_attach_exited (tui_on_exited); | |
141 | observer_attach_no_history (tui_on_no_history); | |
92bcb5f9 PA |
142 | observer_attach_sync_execution_done (tui_on_sync_execution_done); |
143 | observer_attach_command_error (tui_on_command_error); | |
fd664c91 | 144 | |
021e7609 AC |
145 | return NULL; |
146 | } | |
147 | ||
148 | static int | |
149 | tui_resume (void *data) | |
150 | { | |
95cd630e DJ |
151 | struct ui_file *stream; |
152 | ||
1cc6d956 MS |
153 | /* gdb_setup_readline will change gdb_stdout. If the TUI was |
154 | previously writing to gdb_stdout, then set it to the new | |
155 | gdb_stdout afterwards. */ | |
95cd630e DJ |
156 | |
157 | stream = cli_out_set_stream (tui_old_uiout, gdb_stdout); | |
158 | if (stream != gdb_stdout) | |
159 | { | |
160 | cli_out_set_stream (tui_old_uiout, stream); | |
161 | stream = NULL; | |
162 | } | |
163 | ||
021e7609 | 164 | gdb_setup_readline (); |
95cd630e DJ |
165 | |
166 | if (stream != NULL) | |
167 | cli_out_set_stream (tui_old_uiout, gdb_stdout); | |
168 | ||
63858210 SC |
169 | if (tui_start_enabled) |
170 | tui_enable (); | |
021e7609 AC |
171 | return 1; |
172 | } | |
173 | ||
174 | static int | |
175 | tui_suspend (void *data) | |
176 | { | |
63858210 | 177 | tui_start_enabled = tui_active; |
021e7609 AC |
178 | tui_disable (); |
179 | return 1; | |
180 | } | |
181 | ||
4801a9a3 PA |
182 | static struct ui_out * |
183 | tui_ui_out (struct interp *self) | |
184 | { | |
185 | if (tui_active) | |
186 | return tui_out; | |
187 | else | |
188 | return tui_old_uiout; | |
189 | } | |
190 | ||
71fff37b | 191 | static struct gdb_exception |
021e7609 AC |
192 | tui_exec (void *data, const char *command_str) |
193 | { | |
e2e0b3e5 | 194 | internal_error (__FILE__, __LINE__, _("tui_exec called")); |
021e7609 AC |
195 | } |
196 | ||
2c0b251b PA |
197 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
198 | extern initialize_file_ftype _initialize_tui_interp; | |
199 | ||
021e7609 AC |
200 | void |
201 | _initialize_tui_interp (void) | |
202 | { | |
203 | static const struct interp_procs procs = { | |
204 | tui_init, | |
205 | tui_resume, | |
206 | tui_suspend, | |
207 | tui_exec, | |
4801a9a3 | 208 | tui_ui_out, |
4d09c5b4 AB |
209 | NULL, |
210 | cli_command_loop | |
021e7609 | 211 | }; |
021e7609 | 212 | |
1cc6d956 | 213 | /* Create a default uiout builder for the TUI. */ |
4801a9a3 PA |
214 | tui_interp = interp_new (INTERP_TUI, &procs); |
215 | interp_add (tui_interp); | |
cc4349ed | 216 | if (interpreter_p && strcmp (interpreter_p, INTERP_TUI) == 0) |
63858210 SC |
217 | tui_start_enabled = 1; |
218 | ||
219 | if (interpreter_p && strcmp (interpreter_p, INTERP_CONSOLE) == 0) | |
220 | { | |
221 | xfree (interpreter_p); | |
cc4349ed | 222 | interpreter_p = xstrdup (INTERP_TUI); |
63858210 | 223 | } |
021e7609 | 224 | } |