1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217
|
/* Command-line output logging for GDB, the GNU debugger.
Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcmd.h"
#include "ui-out.h"
#include "interps.h"
#include "cli/cli-style.h"
static char *saved_filename;
static char *logging_filename;
static void
show_logging_filename (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("The current logfile is \"%ps\".\n"),
styled_string (file_name_style.style (), value));
}
static bool logging_overwrite;
static void
maybe_warn_already_logging ()
{
if (saved_filename)
warning (_("Currently logging to %s. Turn the logging off and on to "
"make the new setting effective."), saved_filename);
}
static void
set_logging_overwrite (const char *args,
int from_tty, struct cmd_list_element *c)
{
maybe_warn_already_logging ();
}
static void
show_logging_overwrite (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file,
_("Whether logging overwrites or "
"appends to the log file is %s.\n"),
value);
}
/* Value as configured by the user. */
static bool logging_redirect;
static bool debug_redirect;
static void
set_logging_redirect (const char *args,
int from_tty, struct cmd_list_element *c)
{
maybe_warn_already_logging ();
}
static void
show_logging_redirect (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("The logging output mode is %s.\n"), value);
}
/* If we've pushed output files, close them and pop them. */
static void
pop_output_files (void)
{
current_interp_set_logging (NULL, false, false);
/* Stay consistent with handle_redirections. */
if (!current_uiout->is_mi_like_p ())
current_uiout->redirect (NULL);
}
/* This is a helper for the `set logging' command. */
static void
handle_redirections (int from_tty)
{
if (saved_filename != NULL)
{
fprintf_unfiltered (gdb_stdout, "Already logging to %s.\n",
saved_filename);
return;
}
stdio_file_up log (new no_terminal_escape_file ());
if (!log->open (logging_filename, logging_overwrite ? "w" : "a"))
perror_with_name (_("set logging"));
/* Redirects everything to gdb_stdout while this is running. */
if (from_tty)
{
if (!logging_redirect)
fprintf_unfiltered (gdb_stdout, "Copying output to %s.\n",
logging_filename);
else
fprintf_unfiltered (gdb_stdout, "Redirecting output to %s.\n",
logging_filename);
if (!debug_redirect)
fprintf_unfiltered (gdb_stdout, "Copying debug output to %s.\n",
logging_filename);
else
fprintf_unfiltered (gdb_stdout, "Redirecting debug output to %s.\n",
logging_filename);
}
saved_filename = xstrdup (logging_filename);
/* Let the interpreter do anything it needs. */
current_interp_set_logging (std::move (log), logging_redirect,
debug_redirect);
/* Redirect the current ui-out object's output to the log. Use
gdb_stdout, not log, since the interpreter may have created a tee
that wraps the log. Don't do the redirect for MI, it confuses
MI's ui-out scheme. Note that we may get here with MI as current
interpreter, but with the current ui_out as a CLI ui_out, with
'-interpreter-exec console "set logging on"'. */
if (!current_uiout->is_mi_like_p ())
current_uiout->redirect (gdb_stdout);
}
static void
set_logging_on (const char *args, int from_tty)
{
const char *rest = args;
if (rest && *rest)
{
xfree (logging_filename);
logging_filename = xstrdup (rest);
}
handle_redirections (from_tty);
}
static void
set_logging_off (const char *args, int from_tty)
{
if (saved_filename == NULL)
return;
pop_output_files ();
if (from_tty)
fprintf_unfiltered (gdb_stdout, "Done logging to %s.\n", saved_filename);
xfree (saved_filename);
saved_filename = NULL;
}
void _initialize_cli_logging ();
void
_initialize_cli_logging ()
{
static struct cmd_list_element *set_logging_cmdlist, *show_logging_cmdlist;
add_basic_prefix_cmd ("logging", class_support,
_("Set logging options."), &set_logging_cmdlist,
"set logging ", 0, &setlist);
add_show_prefix_cmd ("logging", class_support,
_("Show logging options."), &show_logging_cmdlist,
"show logging ", 0, &showlist);
add_setshow_boolean_cmd ("overwrite", class_support, &logging_overwrite, _("\
Set whether logging overwrites or appends to the log file."), _("\
Show whether logging overwrites or appends to the log file."), _("\
If set, logging overrides the log file."),
set_logging_overwrite,
show_logging_overwrite,
&set_logging_cmdlist, &show_logging_cmdlist);
add_setshow_boolean_cmd ("redirect", class_support, &logging_redirect, _("\
Set the logging output mode."), _("\
Show the logging output mode."), _("\
If redirect is off, output will go to both the screen and the log file.\n\
If redirect is on, output will go only to the log file."),
set_logging_redirect,
show_logging_redirect,
&set_logging_cmdlist, &show_logging_cmdlist);
add_setshow_boolean_cmd ("debugredirect", class_support,
&debug_redirect, _("\
Set the logging debug output mode."), _("\
Show the logging debug output mode."), _("\
If debug redirect is off, debug will go to both the screen and the log file.\n\
If debug redirect is on, debug will go only to the log file."),
set_logging_redirect,
show_logging_redirect,
&set_logging_cmdlist, &show_logging_cmdlist);
add_setshow_filename_cmd ("file", class_support, &logging_filename, _("\
Set the current logfile."), _("\
Show the current logfile."), _("\
The logfile is used when directing GDB's output."),
NULL,
show_logging_filename,
&set_logging_cmdlist, &show_logging_cmdlist);
add_cmd ("on", class_support, set_logging_on,
_("Enable logging."), &set_logging_cmdlist);
add_cmd ("off", class_support, set_logging_off,
_("Disable logging."), &set_logging_cmdlist);
logging_filename = xstrdup ("gdb.txt");
}
|