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/* Support for complaint handling during symbol reading in GDB.
Copyright 1990, 1991, 1992, 1993, 1995, 1998, 1999, 2000
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "complaints.h"
#include "gdbcmd.h"
extern void _initialize_complaints (void);
/* 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;
/* 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. */
void
complain (struct complaint *complaint,...)
{
va_list args;
va_start (args, 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:
if (warning_hook)
(*warning_hook) (complaint->message, args);
else
{
begin_line ();
fputs_filtered ("During symbol reading, ", gdb_stderr);
wrap_here ("");
vfprintf_filtered (gdb_stderr, complaint->message, args);
fputs_filtered (".\n", gdb_stderr);
}
break;
/* First of a series, without `set verbose'. */
case 1:
if (warning_hook)
(*warning_hook) (complaint->message, args);
else
{
begin_line ();
fputs_filtered ("During symbol reading...", gdb_stderr);
vfprintf_filtered (gdb_stderr, complaint->message, args);
fputs_filtered ("...", gdb_stderr);
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:
if (warning_hook)
(*warning_hook) (complaint->message, args);
else
{
vfprintf_filtered (gdb_stderr, complaint->message, args);
fputs_filtered ("...", gdb_stderr);
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_stderr);
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 (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 && !warning_hook)
{
/* Terminate previous series, since caller won't. */
puts_filtered ("\n");
}
complaint_series = sym_reading ? 1 + noisy : 0;
}
void
_initialize_complaints (void)
{
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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