3 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
4 2011 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
30 #include "event-loop.h"
31 #include "event-top.h"
33 #include "breakpoint.h"
41 #include "tui/tui-hooks.h"
42 #include "tui/tui-data.h"
43 #include "tui/tui-layout.h"
44 #include "tui/tui-io.h"
45 #include "tui/tui-regs.h"
46 #include "tui/tui-win.h"
47 #include "tui/tui-stack.h"
48 #include "tui/tui-windata.h"
49 #include "tui/tui-winsource.h"
51 #include "gdb_curses.h"
53 /* This redefines CTRL if it is not already defined, so it must come
54 after terminal state releated include files like <term.h> and
56 #include "readline/readline.h"
58 int tui_target_has_run = 0;
61 tui_new_objfile_hook (struct objfile* objfile)
67 static int ATTRIBUTE_PRINTF (1, 0)
68 tui_query_hook (const char *msg, va_list argp)
77 wrap_here (""); /* Flush any buffered output. */
78 gdb_flush (gdb_stdout);
80 vfprintf_filtered (gdb_stdout, msg, argp);
81 printf_filtered (_("(y or n) "));
84 gdb_flush (gdb_stdout);
86 answer = tui_getc (stdin);
87 clearerr (stdin); /* in case of C-d */
88 if (answer == EOF) /* C-d */
93 /* Eat rest of input line, to EOF or newline. */
97 ans2 = tui_getc (stdin);
100 while (ans2 != EOF && ans2 != '\n' && ans2 != '\r');
114 printf_filtered (_("Please answer y or n.\n"));
120 /* Prevent recursion of deprecated_register_changed_hook(). */
121 static int tui_refreshing_registers = 0;
124 tui_register_changed_hook (int regno)
126 struct frame_info *fi;
128 fi = get_selected_frame (NULL);
129 if (tui_refreshing_registers == 0)
131 tui_refreshing_registers = 1;
132 tui_check_data_values (fi);
133 tui_refreshing_registers = 0;
137 /* Breakpoint creation hook.
138 Update the screen to show the new breakpoint. */
140 tui_event_create_breakpoint (int number)
142 tui_update_all_breakpoint_info ();
145 /* Breakpoint deletion hook.
146 Refresh the screen to update the breakpoint marks. */
148 tui_event_delete_breakpoint (int number)
150 tui_update_all_breakpoint_info ();
154 tui_event_modify_breakpoint (int number)
156 tui_update_all_breakpoint_info ();
159 /* Called when going to wait for the target.
160 Leave curses mode and setup program mode. */
162 tui_target_wait_hook (ptid_t pid,
163 struct target_waitstatus *status, int options)
167 /* Leave tui mode (optional). */
171 target_terminal_ours ();
173 target_terminal_inferior ();
176 tui_target_has_run = 1;
177 res = target_wait (pid, status, options);
181 /* TODO: need to refresh (optional). */
186 /* The selected frame has changed. This is happens after a target
187 stop or when the user explicitly changes the frame
188 (up/down/thread/...). */
190 tui_selected_frame_level_changed_hook (int level)
192 struct frame_info *fi;
194 /* Negative level means that the selected frame was cleared. */
198 fi = get_selected_frame (NULL);
199 /* Ensure that symbols for this frame are read in. Also, determine
200 the source language of this frame, and switch to it if
206 s = find_pc_symtab (get_frame_pc (fi));
207 /* elz: This if here fixes the problem with the pc not being
208 displayed in the tui asm layout, with no debug symbols. The
209 value of s would be 0 here, and select_source_symtab would
210 abort the command by calling the 'error' function. */
212 select_source_symtab (s);
214 /* Display the frame position (even if there is no symbols). */
215 tui_show_frame_info (fi);
217 /* Refresh the register window if it's visible. */
218 if (tui_is_window_visible (DATA_WIN))
220 tui_refreshing_registers = 1;
221 tui_check_data_values (fi);
222 tui_refreshing_registers = 0;
227 /* Called from print_frame_info to list the line we stopped in. */
229 tui_print_frame_info_listing_hook (struct symtab *s,
234 select_source_symtab (s);
235 tui_show_frame_info (get_selected_frame (NULL));
238 /* Called when the target process died or is detached.
239 Update the status line. */
241 tui_detach_hook (void)
243 tui_show_frame_info (0);
247 /* Observers created when installing TUI hooks. */
248 static struct observer *tui_bp_created_observer;
249 static struct observer *tui_bp_deleted_observer;
250 static struct observer *tui_bp_modified_observer;
252 /* Install the TUI specific hooks. */
254 tui_install_hooks (void)
256 deprecated_target_wait_hook = tui_target_wait_hook;
257 deprecated_selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook;
258 deprecated_print_frame_info_listing_hook = tui_print_frame_info_listing_hook;
260 deprecated_query_hook = tui_query_hook;
262 /* Install the event hooks. */
263 tui_bp_created_observer
264 = observer_attach_breakpoint_created (tui_event_create_breakpoint);
265 tui_bp_deleted_observer
266 = observer_attach_breakpoint_deleted (tui_event_delete_breakpoint);
267 tui_bp_modified_observer
268 = observer_attach_breakpoint_modified (tui_event_modify_breakpoint);
270 deprecated_register_changed_hook = tui_register_changed_hook;
271 deprecated_detach_hook = tui_detach_hook;
274 /* Remove the TUI specific hooks. */
276 tui_remove_hooks (void)
278 deprecated_target_wait_hook = 0;
279 deprecated_selected_frame_level_changed_hook = 0;
280 deprecated_print_frame_info_listing_hook = 0;
281 deprecated_query_hook = 0;
282 deprecated_register_changed_hook = 0;
283 deprecated_detach_hook = 0;
285 /* Remove our observers. */
286 observer_detach_breakpoint_created (tui_bp_created_observer);
287 tui_bp_created_observer = NULL;
288 observer_detach_breakpoint_deleted (tui_bp_deleted_observer);
289 tui_bp_deleted_observer = NULL;
290 observer_detach_breakpoint_modified (tui_bp_modified_observer);
291 tui_bp_modified_observer = NULL;
294 void _initialize_tui_hooks (void);
297 _initialize_tui_hooks (void)
299 /* Install the permanent hooks. */
300 observer_attach_new_objfile (tui_new_objfile_hook);