gdb/complaints.c

   1 /* Support for complaint handling during symbol reading in GDB.
   2
   3    Copyright (C) 1990-2019 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
  22 /* Standard C++ includes.  */
  23 #include <unordered_map>
  24
  25 /* Local non-gdb includes.  */
  26 #include "command.h"
  27 #include "complaints.h"
  28 #include "gdbcmd.h"
  29
  30 /* Map format strings to counters.  */
  31
  32 static std::unordered_map<const char *, int> counters;
  33
  34 /* How many complaints about a particular thing should be printed
  35    before we stop whining about it?  Default is no whining at all,
  36    since so many systems have ill-constructed symbol files.  */
  37
  38 int stop_whining = 0;
  39
  40 /* See complaints.h.  */
  41
  42 void
  43 complaint_internal (const char *fmt, ...)
  44 {
  45   va_list args;
  46
  47   if (++counters[fmt] > stop_whining)
  48     return;
  49
  50   va_start (args, fmt);
  51
  52   if (deprecated_warning_hook)
  53     (*deprecated_warning_hook) (fmt, args);
  54   else
  55     {
  56       fputs_filtered (_("During symbol reading: "), gdb_stderr);
  57       vfprintf_filtered (gdb_stderr, fmt, args);
  58       fputs_filtered ("\n", gdb_stderr);
  59     }
  60
  61   va_end (args);
  62 }
  63
  64 /* See complaints.h.  */
  65
  66 void
  67 clear_complaints ()
  68 {
  69   counters.clear ();
  70 }
  71
  72 static void
  73 complaints_show_value (struct ui_file *file, int from_tty,
  74                        struct cmd_list_element *cmd, const char *value)
  75 {
  76   fprintf_filtered (file, _("Max number of complaints about incorrect"
  77                             " symbols is %s.\n"),
  78                     value);
  79 }
  80
  81 void
  82 _initialize_complaints (void)
  83 {
  84   add_setshow_zinteger_cmd ("complaints", class_support,
  85                             &stop_whining, _("\
  86 Set max number of complaints about incorrect symbols."), _("\
  87 Show max number of complaints about incorrect symbols."), NULL,
  88                             NULL, complaints_show_value,
  89                             &setlist, &showlist);
  90 }