gdb/complaints.c

   1 /* Support for complaint handling during symbol reading in GDB.
   2
   3    Copyright (C) 1990-2020 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   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.
  11
  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.
  16
  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/>.  */
  19
  20 #include "defs.h"
  21 #include "complaints.h"
  22 #include "command.h"
  23 #include "gdbcmd.h"
  24 #include <unordered_map>
  25
  26 /* Map format strings to counters.  */
  27
  28 static std::unordered_map<const char *, int> counters;
  29
  30 /* How many complaints about a particular thing should be printed
  31    before we stop whining about it?  Default is no whining at all,
  32    since so many systems have ill-constructed symbol files.  */
  33
  34 int stop_whining = 0;
  35
  36 /* See complaints.h.  */
  37
  38 void
  39 complaint_internal (const char *fmt, ...)
  40 {
  41   va_list args;
  42
  43   if (++counters[fmt] > stop_whining)
  44     return;
  45
  46   va_start (args, fmt);
  47
  48   if (deprecated_warning_hook)
  49     (*deprecated_warning_hook) (fmt, args);
  50   else
  51     {
  52       fputs_filtered (_("During symbol reading: "), gdb_stderr);
  53       vfprintf_filtered (gdb_stderr, fmt, args);
  54       fputs_filtered ("\n", gdb_stderr);
  55     }
  56
  57   va_end (args);
  58 }
  59
  60 /* See complaints.h.  */
  61
  62 void
  63 clear_complaints ()
  64 {
  65   counters.clear ();
  66 }
  67
  68 static void
  69 complaints_show_value (struct ui_file *file, int from_tty,
  70                        struct cmd_list_element *cmd, const char *value)
  71 {
  72   fprintf_filtered (file, _("Max number of complaints about incorrect"
  73                             " symbols is %s.\n"),
  74                     value);
  75 }
  76
  77 void _initialize_complaints ();
  78 void
  79 _initialize_complaints ()
  80 {
  81   add_setshow_zinteger_cmd ("complaints", class_support,
  82                             &stop_whining, _("\
  83 Set max number of complaints about incorrect symbols."), _("\
  84 Show max number of complaints about incorrect symbols."), NULL,
  85                             NULL, complaints_show_value,
  86                             &setlist, &showlist);
  87 }