/* Command-line output logging for GDB, the GNU debugger.
- Copyright (c) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2003-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "gdbcmd.h"
#include "ui-out.h"
+#include "interps.h"
-#include "gdb_string.h"
-
-/* These hold the pushed copies of the gdb output files.
- If NULL then nothing has yet been pushed. */
-struct saved_output_files
-{
- struct ui_file *out;
- struct ui_file *err;
- struct ui_file *log;
- struct ui_file *targ;
-};
-static struct saved_output_files saved_output;
static char *saved_filename;
static char *logging_filename;
value);
}
-int logging_overwrite;
+static int 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 (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"),
+ fprintf_filtered (file,
+ _("Whether logging overwrites or "
+ "appends to the log file is %s.\n"),
value);
}
-int logging_redirect;
+/* Value as configured by the user. */
+static int logging_redirect;
+
+static void
+set_logging_redirect (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)
static void
pop_output_files (void)
{
- /* Only delete one of the files -- they are all set to the same
- value. */
- ui_file_delete (gdb_stdout);
- gdb_stdout = saved_output.out;
- gdb_stderr = saved_output.err;
- gdb_stdlog = saved_output.log;
- gdb_stdtarg = saved_output.targ;
- saved_output.out = NULL;
- saved_output.err = NULL;
- saved_output.log = NULL;
- saved_output.targ = NULL;
-
- ui_out_redirect (uiout, NULL);
+ current_interp_set_logging (NULL, false);
+
+ /* Stay consistent with handle_redirections. */
+ if (!current_uiout->is_mi_like_p ())
+ current_uiout->redirect (NULL);
+}
+
+/* See cli-interp.h. */
+
+ui_file *
+make_logging_output (ui_file *curr_output, ui_file_up logfile,
+ bool logging_redirect)
+{
+ if (logging_redirect)
+ return logfile.release ();
+ else
+ {
+ /* Note that the "tee" takes ownership of the log file. */
+ ui_file *out = new tee_file (curr_output, false,
+ logfile.get (), true);
+ logfile.release ();
+ return out;
+ }
}
/* This is a helper for the `set logging' command. */
static void
handle_redirections (int from_tty)
{
- struct ui_file *output;
-
if (saved_filename != NULL)
{
fprintf_unfiltered (gdb_stdout, "Already logging to %s.\n",
return;
}
- output = gdb_fopen (logging_filename, logging_overwrite ? "w" : "a");
- if (output == NULL)
+ stdio_file_up log (new stdio_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 (!logging_redirect)
+ if (from_tty)
{
- output = tee_file_new (gdb_stdout, 0, output, 1);
- if (output == NULL)
- perror_with_name (_("set logging"));
- 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);
}
- else if (from_tty)
- fprintf_unfiltered (gdb_stdout, "Redirecting output to %s.\n",
- logging_filename);
saved_filename = xstrdup (logging_filename);
- saved_output.out = gdb_stdout;
- saved_output.err = gdb_stderr;
- saved_output.log = gdb_stdlog;
- saved_output.targ = gdb_stdtarg;
-
- gdb_stdout = output;
- gdb_stderr = output;
- gdb_stdlog = output;
- gdb_stdtarg = output;
-
- if (ui_out_redirect (uiout, gdb_stdout) < 0)
- warning (_("Current output protocol does not support redirection"));
+
+ /* Let the interpreter do anything it needs. */
+ current_interp_set_logging (std::move (log), logging_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 (char *args, int from_tty)
{
char *rest = args;
+
if (rest && *rest)
{
xfree (logging_filename);
static void
set_logging_command (char *args, int from_tty)
{
- printf_unfiltered (_("\
-\"set logging\" lets you log output to a file.\n\
-Usage: set logging on [FILENAME]\n\
- set logging off\n\
- set logging file FILENAME\n\
- set logging overwrite [on|off]\n\
- set logging redirect [on|off]\n"));
+ printf_unfiltered (_("\"set logging\" lets you log output to a file.\n"
+ "Usage: set logging on [FILENAME]\n"
+ " set logging off\n"
+ " set logging file FILENAME\n"
+ " set logging overwrite [on|off]\n"
+ " set logging redirect [on|off]\n"));
}
-void
+static void
show_logging_command (char *args, int from_tty)
{
if (saved_filename)
printf_unfiltered (_("Output will be logged and displayed.\n"));
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_cli_logging;
+
void
_initialize_cli_logging (void)
{
static struct cmd_list_element *set_logging_cmdlist, *show_logging_cmdlist;
-
add_prefix_cmd ("logging", class_support, set_logging_command,
_("Set logging options"), &set_logging_cmdlist,
"set logging ", 0, &setlist);
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."),
- NULL,
+ set_logging_overwrite,
show_logging_overwrite,
&set_logging_cmdlist, &show_logging_cmdlist);
add_setshow_boolean_cmd ("redirect", class_support, &logging_redirect, _("\
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."),
- NULL,
+ set_logging_redirect,
show_logging_redirect,
&set_logging_cmdlist, &show_logging_cmdlist);
add_setshow_filename_cmd ("file", class_support, &logging_filename, _("\