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/* Support for complaint handling during symbol reading in GDB.
Copyright (C) 1990, 1991, 1992 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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "complaints.h"
#include "gdbcmd.h"
#include <varargs.h>
/* Structure to manage complaints about symbol file contents. */
struct complaint complaint_root[1] = {
{
(char *) NULL, /* Complaint message */
0, /* Complaint counter */
complaint_root /* Next complaint. */
}
};
/* 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. */
static unsigned int stop_whining = 0;
/* Should each complaint be self explanatory, or should we assume that
a series of complaints is being produced?
case 0: self explanatory message.
case 1: First message of a series that must start off with explanation.
case 2: Subsequent message, when user already knows we are reading
symbols and we can just state our piece. */
static int complaint_series = 0;
/* External variables and functions referenced. */
extern int info_verbose;
/* Functions to handle complaints during symbol reading. */
/* Print a complaint about the input symbols, and link the complaint block
into a chain for later handling. */
/* VARARGS */
void
complain (va_alist)
va_dcl
{
va_list args;
struct complaint *complaint;
va_start (args);
complaint = va_arg (args, struct complaint *);
complaint -> counter++;
if (complaint -> next == NULL)
{
complaint -> next = complaint_root -> next;
complaint_root -> next = complaint;
}
if (complaint -> counter > stop_whining)
{
return;
}
wrap_here ("");
switch (complaint_series + (info_verbose << 1))
{
/* Isolated messages, must be self-explanatory. */
case 0:
begin_line ();
puts_filtered ("During symbol reading, ");
wrap_here ("");
vprintf_filtered (complaint -> message, args);
puts_filtered (".\n");
break;
/* First of a series, without `set verbose'. */
case 1:
begin_line ();
puts_filtered ("During symbol reading...");
vprintf_filtered (complaint -> message, args);
puts_filtered ("...");
wrap_here ("");
complaint_series++;
break;
/* Subsequent messages of a series, or messages under `set verbose'.
(We'll already have produced a "Reading in symbols for XXX..."
message and will clean up at the end with a newline.) */
default:
vprintf_filtered (complaint -> message, args);
puts_filtered ("...");
wrap_here ("");
}
/* 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_stdout);
va_end (args);
}
/* Clear out all complaint counters that have ever been incremented.
If sym_reading is 1, be less verbose about successive complaints,
since the messages are appearing all together during a command that
reads symbols (rather than scattered around as psymtabs get fleshed
out into symtabs at random times). If noisy is 1, we are in a
noisy symbol reading command, and our caller will print enough
context for the user to figure it out. */
void
clear_complaints (sym_reading, noisy)
int sym_reading;
int noisy;
{
struct complaint *p;
for (p = complaint_root -> next; p != complaint_root; p = p -> next)
{
p -> counter = 0;
}
if (!sym_reading && !noisy && complaint_series > 1)
{
/* Terminate previous series, since caller won't. */
puts_filtered ("\n");
}
complaint_series = sym_reading ? 1 + noisy : 0;
}
void
_initialize_complaints ()
{
add_show_from_set
(add_set_cmd ("complaints", class_support, var_zinteger,
(char *) &stop_whining,
"Set max number of complaints about incorrect symbols.",
&setlist),
&showlist);
}
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