/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

extern int lineno, savedlineno;
extern int tokenpos, nextpos, savedpos;
extern char *inname;

extern void LookFileName(void);
extern void LookString(void);
extern void LookQString(void);
extern void LookNormal(void);


#define tokenAdvance    { tokenpos = nextpos; nextpos += yyleng;}
#define gotToken   	tokenAdvance
#define gotTokenAndWhite { char *s;                           \
                           tokenpos = nextpos;              \
			  for (s = yytext; *s != '\0'; s++)  \
				if (*s == '\t')                    \
           				nextpos += 8 - (nextpos & 7); \
				else nextpos++;   \
			}
#define incNextPos	(nextpos++)
#define saveTokenPos()  { savedpos = tokenpos; savedlineno = lineno;}