1 /* Command-line output logging for GDB, the GNU debugger.
3 Copyright (C) 2003-2021 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/>. */
24 #include "cli/cli-style.h"
26 static char *saved_filename
;
28 static char *logging_filename
;
30 show_logging_filename (struct ui_file
*file
, int from_tty
,
31 struct cmd_list_element
*c
, const char *value
)
33 fprintf_filtered (file
, _("The current logfile is \"%ps\".\n"),
34 styled_string (file_name_style
.style (), value
));
37 static bool logging_overwrite
;
40 maybe_warn_already_logging ()
43 warning (_("Currently logging to %s. Turn the logging off and on to "
44 "make the new setting effective."), saved_filename
);
48 set_logging_overwrite (const char *args
,
49 int from_tty
, struct cmd_list_element
*c
)
51 maybe_warn_already_logging ();
55 show_logging_overwrite (struct ui_file
*file
, int from_tty
,
56 struct cmd_list_element
*c
, const char *value
)
58 fprintf_filtered (file
,
59 _("Whether logging overwrites or "
60 "appends to the log file is %s.\n"),
64 /* Value as configured by the user. */
65 static bool logging_redirect
;
66 static bool debug_redirect
;
69 set_logging_redirect (const char *args
,
70 int from_tty
, struct cmd_list_element
*c
)
72 maybe_warn_already_logging ();
76 show_logging_redirect (struct ui_file
*file
, int from_tty
,
77 struct cmd_list_element
*c
, const char *value
)
79 fprintf_filtered (file
, _("The logging output mode is %s.\n"), value
);
82 /* If we've pushed output files, close them and pop them. */
84 pop_output_files (void)
86 current_interp_set_logging (NULL
, false, false);
88 /* Stay consistent with handle_redirections. */
89 if (!current_uiout
->is_mi_like_p ())
90 current_uiout
->redirect (NULL
);
93 /* This is a helper for the `set logging' command. */
95 handle_redirections (int from_tty
)
97 if (saved_filename
!= NULL
)
99 fprintf_unfiltered (gdb_stdout
, "Already logging to %s.\n",
104 stdio_file_up
log (new no_terminal_escape_file ());
105 if (!log
->open (logging_filename
, logging_overwrite
? "w" : "a"))
106 perror_with_name (_("set logging"));
108 /* Redirects everything to gdb_stdout while this is running. */
111 if (!logging_redirect
)
112 fprintf_unfiltered (gdb_stdout
, "Copying output to %s.\n",
115 fprintf_unfiltered (gdb_stdout
, "Redirecting output to %s.\n",
119 fprintf_unfiltered (gdb_stdout
, "Copying debug output to %s.\n",
122 fprintf_unfiltered (gdb_stdout
, "Redirecting debug output to %s.\n",
126 saved_filename
= xstrdup (logging_filename
);
128 /* Let the interpreter do anything it needs. */
129 current_interp_set_logging (std::move (log
), logging_redirect
,
132 /* Redirect the current ui-out object's output to the log. Use
133 gdb_stdout, not log, since the interpreter may have created a tee
134 that wraps the log. Don't do the redirect for MI, it confuses
135 MI's ui-out scheme. Note that we may get here with MI as current
136 interpreter, but with the current ui_out as a CLI ui_out, with
137 '-interpreter-exec console "set logging on"'. */
138 if (!current_uiout
->is_mi_like_p ())
139 current_uiout
->redirect (gdb_stdout
);
143 set_logging_on (const char *args
, int from_tty
)
145 const char *rest
= args
;
149 xfree (logging_filename
);
150 logging_filename
= xstrdup (rest
);
152 handle_redirections (from_tty
);
156 set_logging_off (const char *args
, int from_tty
)
158 if (saved_filename
== NULL
)
163 fprintf_unfiltered (gdb_stdout
, "Done logging to %s.\n", saved_filename
);
164 xfree (saved_filename
);
165 saved_filename
= NULL
;
168 void _initialize_cli_logging ();
170 _initialize_cli_logging ()
172 static struct cmd_list_element
*set_logging_cmdlist
, *show_logging_cmdlist
;
174 add_basic_prefix_cmd ("logging", class_support
,
175 _("Set logging options."), &set_logging_cmdlist
,
176 "set logging ", 0, &setlist
);
177 add_show_prefix_cmd ("logging", class_support
,
178 _("Show logging options."), &show_logging_cmdlist
,
179 "show logging ", 0, &showlist
);
180 add_setshow_boolean_cmd ("overwrite", class_support
, &logging_overwrite
, _("\
181 Set whether logging overwrites or appends to the log file."), _("\
182 Show whether logging overwrites or appends to the log file."), _("\
183 If set, logging overrides the log file."),
184 set_logging_overwrite
,
185 show_logging_overwrite
,
186 &set_logging_cmdlist
, &show_logging_cmdlist
);
187 add_setshow_boolean_cmd ("redirect", class_support
, &logging_redirect
, _("\
188 Set the logging output mode."), _("\
189 Show the logging output mode."), _("\
190 If redirect is off, output will go to both the screen and the log file.\n\
191 If redirect is on, output will go only to the log file."),
192 set_logging_redirect
,
193 show_logging_redirect
,
194 &set_logging_cmdlist
, &show_logging_cmdlist
);
195 add_setshow_boolean_cmd ("debugredirect", class_support
,
196 &debug_redirect
, _("\
197 Set the logging debug output mode."), _("\
198 Show the logging debug output mode."), _("\
199 If debug redirect is off, debug will go to both the screen and the log file.\n\
200 If debug redirect is on, debug will go only to the log file."),
201 set_logging_redirect
,
202 show_logging_redirect
,
203 &set_logging_cmdlist
, &show_logging_cmdlist
);
204 add_setshow_filename_cmd ("file", class_support
, &logging_filename
, _("\
205 Set the current logfile."), _("\
206 Show the current logfile."), _("\
207 The logfile is used when directing GDB's output."),
209 show_logging_filename
,
210 &set_logging_cmdlist
, &show_logging_cmdlist
);
211 add_cmd ("on", class_support
, set_logging_on
,
212 _("Enable logging."), &set_logging_cmdlist
);
213 add_cmd ("off", class_support
, set_logging_off
,
214 _("Disable logging."), &set_logging_cmdlist
);
216 logging_filename
= xstrdup ("gdb.txt");
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