1 /* TUI Interpreter definitions for GDB, the GNU debugger.
3 Copyright (C) 2003-2015 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
23 #include "event-top.h"
24 #include "event-loop.h"
27 #include "tui/tui-data.h"
28 #include "readline/readline.h"
29 #include "tui/tui-win.h"
31 #include "tui/tui-io.h"
35 static struct ui_out
*tui_ui_out (struct interp
*self
);
37 /* Set to 1 when the TUI mode must be activated when we first start
39 static int tui_start_enabled
= 0;
41 /* The TUI interpreter. */
42 static struct interp
*tui_interp
;
44 /* Cleanup the tui before exiting. */
49 /* Disable the tui. Curses mode is left leaving the screen in a
50 clean state (see endwin()). */
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. */
58 /* Observer for the signal_received notification. */
61 tui_on_signal_received (enum gdb_signal siggnal
)
63 if (!interp_quiet_p (tui_interp
))
64 print_signal_received_reason (tui_ui_out (tui_interp
), siggnal
);
67 /* Observer for the end_stepping_range notification. */
70 tui_on_end_stepping_range (void)
72 if (!interp_quiet_p (tui_interp
))
73 print_end_stepping_range_reason (tui_ui_out (tui_interp
));
76 /* Observer for the signal_exited notification. */
79 tui_on_signal_exited (enum gdb_signal siggnal
)
81 if (!interp_quiet_p (tui_interp
))
82 print_signal_exited_reason (tui_ui_out (tui_interp
), siggnal
);
85 /* Observer for the exited notification. */
88 tui_on_exited (int exitstatus
)
90 if (!interp_quiet_p (tui_interp
))
91 print_exited_reason (tui_ui_out (tui_interp
), exitstatus
);
94 /* Observer for the no_history notification. */
97 tui_on_no_history (void)
99 if (!interp_quiet_p (tui_interp
))
100 print_no_history_reason (tui_ui_out (tui_interp
));
103 /* Observer for the sync_execution_done notification. */
106 tui_on_sync_execution_done (void)
108 if (!interp_quiet_p (tui_interp
))
109 display_gdb_prompt (NULL
);
112 /* Observer for the command_error notification. */
115 tui_on_command_error (void)
117 if (!interp_quiet_p (tui_interp
))
118 display_gdb_prompt (NULL
);
121 /* These implement the TUI interpreter. */
124 tui_init (struct interp
*self
, int top_level
)
126 /* Install exit handler to leave the screen in a good shape. */
129 tui_initialize_static_data ();
131 tui_initialize_io ();
132 tui_initialize_win ();
133 if (ui_file_isatty (gdb_stdout
))
134 tui_initialize_readline ();
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
);
142 observer_attach_sync_execution_done (tui_on_sync_execution_done
);
143 observer_attach_command_error (tui_on_command_error
);
149 tui_resume (void *data
)
151 struct ui_file
*stream
;
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. */
157 stream
= cli_out_set_stream (tui_old_uiout
, gdb_stdout
);
158 if (stream
!= gdb_stdout
)
160 cli_out_set_stream (tui_old_uiout
, stream
);
164 gdb_setup_readline ();
167 cli_out_set_stream (tui_old_uiout
, gdb_stdout
);
169 if (tui_start_enabled
)
175 tui_suspend (void *data
)
177 tui_start_enabled
= tui_active
;
182 static struct ui_out
*
183 tui_ui_out (struct interp
*self
)
188 return tui_old_uiout
;
191 static struct gdb_exception
192 tui_exec (void *data
, const char *command_str
)
194 internal_error (__FILE__
, __LINE__
, _("tui_exec called"));
197 /* Provide a prototype to silence -Wmissing-prototypes. */
198 extern initialize_file_ftype _initialize_tui_interp
;
201 _initialize_tui_interp (void)
203 static const struct interp_procs procs
= {
213 /* Create a default uiout builder for the TUI. */
214 tui_interp
= interp_new (INTERP_TUI
, &procs
);
215 interp_add (tui_interp
);
216 if (interpreter_p
&& strcmp (interpreter_p
, INTERP_TUI
) == 0)
217 tui_start_enabled
= 1;
219 if (interpreter_p
&& strcmp (interpreter_p
, INTERP_CONSOLE
) == 0)
221 xfree (interpreter_p
);
222 interpreter_p
= xstrdup (INTERP_TUI
);