binutils-gdb/gdb/complaints.c
Tom Tromey 6cb06a8cda Unify gdb printf functions
Now that filtered and unfiltered output can be treated identically, we
can unify the printf family of functions.  This is done under the name
"gdb_printf".  Most of this patch was written by script.
2022-03-29 12:46:24 -06:00

140 lines
3.7 KiB
C

/* Support for complaint handling during symbol reading in GDB.
Copyright (C) 1990-2022 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 "gdbsupport/selftest.h"
#include <unordered_map>
/* Map format strings to counters. */
static std::unordered_map<const char *, int> counters;
/* 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
{
gdb_puts (_("During symbol reading: "), gdb_stderr);
gdb_vprintf (gdb_stderr, fmt, args);
gdb_puts ("\n", gdb_stderr);
}
va_end (args);
}
/* See complaints.h. */
void
clear_complaints ()
{
counters.clear ();
}
static void
complaints_show_value (struct ui_file *file, int from_tty,
struct cmd_list_element *cmd, const char *value)
{
gdb_printf (file, _("Max number of complaints about incorrect"
" symbols is %s.\n"),
value);
}
#if GDB_SELF_TEST
namespace selftests {
/* Entry point for complaints unit tests. */
static void
test_complaints ()
{
std::unordered_map<const char *, int> tmp;
scoped_restore reset_counters = make_scoped_restore (&counters, tmp);
scoped_restore reset_stop_whining = make_scoped_restore (&stop_whining, 2);
#define CHECK_COMPLAINT(STR, CNT) \
do \
{ \
std::string output; \
execute_fn_to_string (output, []() { complaint (STR); }, false); \
std::string expected \
= _("During symbol reading: ") + std::string (STR "\n"); \
SELF_CHECK (output == expected); \
SELF_CHECK (counters[STR] == CNT); \
} while (0)
#define CHECK_COMPLAINT_SILENT(STR, CNT) \
do \
{ \
std::string output; \
execute_fn_to_string (output, []() { complaint (STR); }, false); \
SELF_CHECK (output.empty ()); \
SELF_CHECK (counters[STR] == CNT); \
} while (0)
CHECK_COMPLAINT ("maintenance complaint 0", 1);
CHECK_COMPLAINT ("maintenance complaint 0", 2);
CHECK_COMPLAINT_SILENT ("maintenance complaint 0", 3);
CHECK_COMPLAINT ("maintenance complaint 1", 1);
clear_complaints ();
CHECK_COMPLAINT ("maintenance complaint 0", 1);
#undef CHECK_COMPLAINT
#undef CHECK_COMPLAINT_SILENT
}
} // namespace selftests
#endif /* GDB_SELF_TEST */
void _initialize_complaints ();
void
_initialize_complaints ()
{
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);
#if GDB_SELF_TEST
selftests::register_test ("complaints", selftests::test_complaints);
#endif /* GDB_SELF_TEST */
}