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/* Support for complaint handling during symbol reading in GDB.
Copyright (C) 1990-2018 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 "complaints.h"
#include "command.h"
#include "gdbcmd.h"
#include <unordered_map>
/* Should each complaint message be self explanatory, or should we
assume that a series of complaints is being produced? */
enum complaint_series {
/* Isolated self explanatory message. */
ISOLATED_MESSAGE,
/* First message of a series, but does not need to include any sort
of explanation. */
SHORT_FIRST_MESSAGE,
};
/* Map format strings to counters. */
static std::unordered_map<const char *, int> counters;
/* How to print the next complaint. */
static complaint_series series;
/* How many complaints about a particular thing should be printed
before we stop whining about it? Default is no whining at all,
since so many systems have ill-constructed symbol files. */
int stop_whining = 0;
/* See complaints.h. */
void
complaint_internal (const char *fmt, ...)
{
va_list args;
if (counters[fmt]++ > stop_whining)
return;
va_start (args, fmt);
if (deprecated_warning_hook)
(*deprecated_warning_hook) (fmt, args);
else
{
std::string msg = string_vprintf (fmt, args);
wrap_here ("");
begin_line ();
if (series == ISOLATED_MESSAGE)
fprintf_filtered (gdb_stderr, "During symbol reading, %s.\n",
msg.c_str ());
else
fprintf_filtered (gdb_stderr, "%s...", msg.c_str ());
}
/* If GDB dumps core, we'd like to see the complaints first.
Presumably GDB will not be sending so many complaints that this
becomes a performance hog. */
gdb_flush (gdb_stderr);
va_end (args);
}
/* Clear out / initialize all complaint counters that have ever been
incremented. If LESS_VERBOSE is 1, be less verbose about
successive complaints, since the messages are appearing all
together during a command that is reporting a contiguous block of
complaints (rather than being interleaved with other messages). */
void
clear_complaints (int less_verbose)
{
counters.clear ();
if (!less_verbose)
series = ISOLATED_MESSAGE;
else
series = SHORT_FIRST_MESSAGE;
}
static void
complaints_show_value (struct ui_file *file, int from_tty,
struct cmd_list_element *cmd, const char *value)
{
fprintf_filtered (file, _("Max number of complaints about incorrect"
" symbols is %s.\n"),
value);
}
void
_initialize_complaints (void)
{
add_setshow_zinteger_cmd ("complaints", class_support,
&stop_whining, _("\
Set max number of complaints about incorrect symbols."), _("\
Show max number of complaints about incorrect symbols."), NULL,
NULL, complaints_show_value,
&setlist, &showlist);
}
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