3 Copyright 2001, 2002, 2003, 2004 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 2 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, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
31 #include "event-loop.h"
32 #include "event-top.h"
34 #include "breakpoint.h"
35 #include "gdb-events.h"
38 #include <readline/readline.h>
43 #include "tui/tui-data.h"
44 #include "tui/tui-layout.h"
45 #include "tui/tui-io.h"
46 #include "tui/tui-regs.h"
47 #include "tui/tui-win.h"
48 #include "tui/tui-stack.h"
49 #include "tui/tui-windata.h"
50 #include "tui/tui-winsource.h"
60 int tui_target_has_run
= 0;
62 static void (* tui_target_new_objfile_chain
) (struct objfile
*);
65 tui_new_objfile_hook (struct objfile
* objfile
)
70 if (tui_target_new_objfile_chain
)
71 tui_target_new_objfile_chain (objfile
);
75 tui_query_hook (const char * msg
, va_list argp
)
81 /* Automatically answer "yes" if input is not from a terminal. */
82 if (!input_from_terminal_p ())
88 wrap_here (""); /* Flush any buffered output */
89 gdb_flush (gdb_stdout
);
91 vfprintf_filtered (gdb_stdout
, msg
, argp
);
92 printf_filtered ("(y or n) ");
95 gdb_flush (gdb_stdout
);
97 answer
= tui_getc (stdin
);
98 clearerr (stdin
); /* in case of C-d */
99 if (answer
== EOF
) /* C-d */
104 /* Eat rest of input line, to EOF or newline */
108 ans2
= tui_getc (stdin
);
111 while (ans2
!= EOF
&& ans2
!= '\n' && ans2
!= '\r');
125 printf_filtered ("Please answer y or n.\n");
131 /* Prevent recursion of registers_changed_hook(). */
132 static int tui_refreshing_registers
= 0;
135 tui_registers_changed_hook (void)
137 struct frame_info
*fi
;
139 fi
= deprecated_selected_frame
;
140 if (fi
&& tui_refreshing_registers
== 0)
142 tui_refreshing_registers
= 1;
144 tui_check_data_values (fi
);
146 tui_refreshing_registers
= 0;
151 tui_register_changed_hook (int regno
)
153 struct frame_info
*fi
;
155 fi
= deprecated_selected_frame
;
156 if (fi
&& tui_refreshing_registers
== 0)
158 tui_refreshing_registers
= 1;
159 tui_check_data_values (fi
);
160 tui_refreshing_registers
= 0;
164 /* Breakpoint creation hook.
165 Update the screen to show the new breakpoint. */
167 tui_event_create_breakpoint (int number
)
169 tui_update_all_breakpoint_info ();
172 /* Breakpoint deletion hook.
173 Refresh the screen to update the breakpoint marks. */
175 tui_event_delete_breakpoint (int number
)
177 tui_update_all_breakpoint_info ();
181 tui_event_modify_breakpoint (int number
)
183 tui_update_all_breakpoint_info ();
187 tui_event_default (int number
)
192 static struct gdb_events
*tui_old_event_hooks
;
194 static struct gdb_events tui_event_hooks
=
196 tui_event_create_breakpoint
,
197 tui_event_delete_breakpoint
,
198 tui_event_modify_breakpoint
,
204 /* Called when going to wait for the target.
205 Leave curses mode and setup program mode. */
207 tui_target_wait_hook (ptid_t pid
, struct target_waitstatus
*status
)
211 /* Leave tui mode (optional). */
215 target_terminal_ours ();
217 target_terminal_inferior ();
220 tui_target_has_run
= 1;
221 res
= target_wait (pid
, status
);
225 /* TODO: need to refresh (optional). */
230 /* The selected frame has changed. This is happens after a target
231 stop or when the user explicitly changes the frame (up/down/thread/...). */
233 tui_selected_frame_level_changed_hook (int level
)
235 struct frame_info
*fi
;
237 fi
= deprecated_selected_frame
;
238 /* Ensure that symbols for this frame are read in. Also, determine the
239 source language of this frame, and switch to it if desired. */
244 s
= find_pc_symtab (get_frame_pc (fi
));
245 /* elz: this if here fixes the problem with the pc not being displayed
246 in the tui asm layout, with no debug symbols. The value of s
247 would be 0 here, and select_source_symtab would abort the
248 command by calling the 'error' function */
250 select_source_symtab (s
);
252 /* Display the frame position (even if there is no symbols). */
253 tui_show_frame_info (fi
);
255 /* Refresh the register window if it's visible. */
256 if (tui_is_window_visible (DATA_WIN
))
258 tui_refreshing_registers
= 1;
259 tui_check_data_values (fi
);
260 tui_refreshing_registers
= 0;
265 /* Called from print_frame_info to list the line we stopped in. */
267 tui_print_frame_info_listing_hook (struct symtab
*s
, int line
,
268 int stopline
, int noerror
)
270 select_source_symtab (s
);
271 tui_show_frame_info (deprecated_selected_frame
);
274 /* Called when the target process died or is detached.
275 Update the status line. */
277 tui_detach_hook (void)
279 tui_show_frame_info (0);
283 /* Install the TUI specific hooks. */
285 tui_install_hooks (void)
287 target_wait_hook
= tui_target_wait_hook
;
288 selected_frame_level_changed_hook
= tui_selected_frame_level_changed_hook
;
289 print_frame_info_listing_hook
= tui_print_frame_info_listing_hook
;
291 query_hook
= tui_query_hook
;
293 /* Install the event hooks. */
294 tui_old_event_hooks
= set_gdb_event_hooks (&tui_event_hooks
);
296 registers_changed_hook
= tui_registers_changed_hook
;
297 register_changed_hook
= tui_register_changed_hook
;
298 detach_hook
= tui_detach_hook
;
301 /* Remove the TUI specific hooks. */
303 tui_remove_hooks (void)
305 target_wait_hook
= 0;
306 selected_frame_level_changed_hook
= 0;
307 print_frame_info_listing_hook
= 0;
309 registers_changed_hook
= 0;
310 register_changed_hook
= 0;
313 /* Restore the previous event hooks. */
314 set_gdb_event_hooks (tui_old_event_hooks
);
317 void _initialize_tui_hooks (void);
320 _initialize_tui_hooks (void)
322 /* Install the permanent hooks. */
323 tui_target_new_objfile_chain
= target_new_objfile_hook
;
324 target_new_objfile_hook
= tui_new_objfile_hook
;