418 lines
9.9 KiB
C
418 lines
9.9 KiB
C
/* messages.c - error reporter -
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Copyright (C) 1987, 1991, 1992 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef lint
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static char rcsid[] = "$Id: messages.c,v 1.3 1993/10/02 20:57:45 pk Exp $";
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#endif
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#include <stdio.h> /* define stderr */
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#include <errno.h>
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#include "as.h"
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#ifndef NO_STDARG
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#include <stdarg.h>
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#else
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#ifndef NO_VARARGS
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#include <varargs.h>
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#endif /* NO_VARARGS */
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#endif /* NO_STDARG */
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/*
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* Despite the rest of the comments in this file, (FIXME-SOON),
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* here is the current scheme for error messages etc:
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*
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* as_fatal() is used when gas is quite confused and
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* continuing the assembly is pointless. In this case we
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* exit immediately with error status.
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*
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* as_bad() is used to mark errors that result in what we
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* presume to be a useless object file. Say, we ignored
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* something that might have been vital. If we see any of
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* these, assembly will continue to the end of the source,
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* no object file will be produced, and we will terminate
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* with error status. The new option, -Z, tells us to
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* produce an object file anyway but we still exit with
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* error status. The assumption here is that you don't want
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* this object file but we could be wrong.
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*
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* as_warn() is used when we have an error from which we
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* have a plausible error recovery. eg, masking the top
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* bits of a constant that is longer than will fit in the
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* destination. In this case we will continue to assemble
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* the source, although we may have made a bad assumption,
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* and we will produce an object file and return normal exit
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* status (ie, no error). The new option -X tells us to
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* treat all as_warn() errors as as_bad() errors. That is,
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* no object file will be produced and we will exit with
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* error status. The idea here is that we don't kill an
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* entire make because of an error that we knew how to
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* correct. On the other hand, sometimes you might want to
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* stop the make at these points.
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*
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* as_tsktsk() is used when we see a minor error for which
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* our error recovery action is almost certainly correct.
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* In this case, we print a message and then assembly
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* continues as though no error occurred.
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*/
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/*
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ERRORS
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JF: this is now bogus. We now print more standard error messages
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that try to look like everyone else's.
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We print the error message 1st, beginning in column 1.
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All ancillary info starts in column 2 on lines after the
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key error text.
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We try to print a location in logical and physical file
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just after the main error text.
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Caller then prints any appendices after that, begining all
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lines with at least 1 space.
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Optionally, we may die.
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There is no need for a trailing '\n' in your error text format
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because we supply one.
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as_warn(fmt,args) Like fprintf(stderr,fmt,args) but also call errwhere().
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as_fatal(fmt,args) Like as_warn() but exit with a fatal status.
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*/
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static int warning_count = 0; /* Count of number of warnings issued */
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int had_warnings() {
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return(warning_count);
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} /* had_err() */
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/* Nonzero if we've hit a 'bad error', and should not write an obj file,
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and exit with a nonzero error code */
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static int error_count = 0;
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int had_errors() {
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return(error_count);
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} /* had_errors() */
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/*
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* a s _ p e r r o r
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*
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* Like perror(3), but with more info.
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*/
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void as_perror(gripe, filename)
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char *gripe; /* Unpunctuated error theme. */
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char *filename;
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{
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#ifndef HAVE_STRERROR
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extern char *strerror();
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#endif /* HAVE_STRERROR */
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as_where();
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fprintf(stderr, gripe, filename);
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fprintf(stderr, "%s.\n", strerror(errno));
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errno = 0; /* After reporting, clear it. */
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} /* as_perror() */
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/*
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* a s _ t s k t s k ()
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*
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* Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a warning, and locate warning
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* in input file(s).
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* Please only use this for when we have some recovery action.
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* Please explain in string (which may have '\n's) what recovery was done.
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*/
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#ifndef NO_STDARG
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void as_tsktsk(Format)
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const char *Format;
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{
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va_list args;
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as_where();
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va_start(args, Format);
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vfprintf(stderr, Format, args);
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va_end(args);
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(void) putc('\n', stderr);
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} /* as_tsktsk() */
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#else
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#ifndef NO_VARARGS
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void as_tsktsk(Format,va_alist)
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char *Format;
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va_dcl
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{
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va_list args;
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as_where();
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va_start(args);
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vfprintf(stderr, Format, args);
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va_end(args);
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(void) putc('\n', stderr);
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} /* as_tsktsk() */
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#else
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/*VARARGS1 */
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as_tsktsk(Format,args)
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char *Format;
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{
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as_where();
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_doprnt (Format, &args, stderr);
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(void)putc ('\n', stderr);
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/* as_where(); */
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} /* as_tsktsk */
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#endif /* not NO_VARARGS */
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#endif /* not NO_STDARG */
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#ifdef DONTDEF
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void as_tsktsk(Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an)
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char *format;
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{
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as_where();
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fprintf(stderr,Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an);
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(void)putc('\n',stderr);
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} /* as_tsktsk() */
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#endif
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/*
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* a s _ w a r n ()
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*
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* Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a warning, and locate warning
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* in input file(s).
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* Please only use this for when we have some recovery action.
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* Please explain in string (which may have '\n's) what recovery was done.
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*/
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#ifndef NO_STDARG
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void as_warn(Format)
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const char *Format;
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{
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va_list args;
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char buffer[200];
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if (!flagseen['W']) {
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++warning_count;
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as_where();
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va_start(args, Format);
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fprintf(stderr,"Warning: ");
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vsprintf(buffer, Format, args);
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fprintf(stderr, buffer);
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#ifndef NO_LISTING
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listing_warning(buffer);
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#endif
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va_end(args);
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(void) putc('\n', stderr);
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}
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} /* as_warn() */
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#else
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#ifndef NO_VARARGS
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void as_warn(Format,va_alist)
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char *Format;
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va_dcl
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{
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va_list args;
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char buffer[200];
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if (!flagseen['W']) {
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++warning_count;
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as_where();
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va_start(args);
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fprintf(stderr,"Warning: ");
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vsprintf(buffer, Format, args);
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fprintf(stderr,buffer);
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#ifndef NO_LISTING
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listing_warning(buffer);
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#endif
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va_end(args);
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(void) putc('\n', stderr);
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}
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} /* as_warn() */
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#else
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/*VARARGS1 */
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as_warn(Format,args)
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char *Format;
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{
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/* -W supresses warning messages. */
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if (! flagseen['W']) {
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++warning_count;
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as_where();
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_doprnt (Format, &args, stderr);
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(void)putc ('\n', stderr);
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/* as_where(); */
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}
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} /* as_warn() */
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#endif /* not NO_VARARGS */
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#endif /* not NO_STDARG */
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#ifdef DONTDEF
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void as_warn(Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an)
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char *format;
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{
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if (!flagseen['W']) {
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++warning_count;
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as_where();
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fprintf(stderr,Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an);
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(void)putc('\n',stderr);
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}
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} /* as_warn() */
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#endif
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/*
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* a s _ b a d ()
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*
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* Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a warning,
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* and locate warning in input file(s).
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* Please us when there is no recovery, but we want to continue processing
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* but not produce an object file.
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* Please explain in string (which may have '\n's) what recovery was done.
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*/
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#ifndef NO_STDARG
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void as_bad(Format)
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const char *Format;
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{
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va_list args;
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char buffer[200];
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++error_count;
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as_where();
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va_start(args, Format);
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fprintf(stderr,"Error: ");
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vsprintf(buffer, Format, args);
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fprintf(stderr,buffer);
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#ifndef NO_LISTING
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listing_error(buffer);
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#endif
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va_end(args);
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(void) putc('\n', stderr);
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} /* as_bad() */
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#else
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#ifndef NO_VARARGS
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void as_bad(Format,va_alist)
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char *Format;
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va_dcl
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{
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va_list args;
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char buffer[200];
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++error_count;
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as_where();
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va_start(args);
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vsprintf(buffer, Format, args);
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fprintf(stderr,buffer);
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#ifndef NO_LISTING
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listing_error(buffer);
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#endif
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va_end(args);
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(void) putc('\n', stderr);
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} /* as_bad() */
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#else
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/*VARARGS1 */
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as_bad(Format,args)
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char *Format;
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{
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++error_count;
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as_where();
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fprintf(stderr,"Error: ");
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_doprnt (Format, &args, stderr);
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(void)putc ('\n', stderr);
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/* as_where(); */
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} /* as_bad() */
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#endif /* not NO_VARARGS */
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#endif /* not NO_STDARG */
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#ifdef DONTDEF
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void as_bad(Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an)
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char *format;
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{
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++error_count;
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as_where();
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fprintf(stderr,Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an);
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(void)putc('\n',stderr);
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} /* as_bad() */
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#endif
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/*
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* a s _ f a t a l ()
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*
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* Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a fatal
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* message, and locate stdsource in input file(s).
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* Please only use this for when we DON'T have some recovery action.
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* It exit()s with a warning status.
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*/
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#ifndef NO_STDARG
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void as_fatal(Format)
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const char *Format;
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{
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va_list args;
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as_where();
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va_start(args, Format);
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fprintf (stderr, "FATAL:");
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vfprintf(stderr, Format, args);
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(void) putc('\n', stderr);
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va_end(args);
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exit(33);
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} /* as_fatal() */
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#else
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#ifndef NO_VARARGS
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void as_fatal(Format,va_alist)
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char *Format;
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va_dcl
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{
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va_list args;
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as_where();
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va_start(args);
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fprintf (stderr, "FATAL:");
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vfprintf(stderr, Format, args);
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(void) putc('\n', stderr);
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va_end(args);
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exit(33);
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} /* as_fatal() */
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#else
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/*VARARGS1 */
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as_fatal(Format, args)
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char *Format;
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{
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as_where();
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fprintf(stderr,"FATAL:");
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_doprnt (Format, &args, stderr);
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(void)putc ('\n', stderr);
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/* as_where(); */
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exit(33); /* What is a good exit status? */
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} /* as_fatal() */
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#endif /* not NO_VARARGS */
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#endif /* not NO_STDARG */
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#ifdef DONTDEF
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void as_fatal(Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an)
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char *Format;
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{
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as_where();
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fprintf (stderr, "FATAL:");
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fprintf(stderr, Format,aa,ab,ac,ad,ae,af,ag,ah,ai,aj,ak,al,am,an);
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(void) putc('\n', stderr);
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exit(33);
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} /* as_fatal() */
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#endif
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/* end of messages.c */
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