usr/src/games/atc/lex.l

%{
/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ed James.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/*
 * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
 *
 * Copy permission is hereby granted provided that this notice is
 * retained on all partial or complete copies.
 *
 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
 */

#ifndef lint
static char sccsid[] = "@(#)lex.l       5.2 (Berkeley) 4/30/90";
#endif /* not lint */

#include "y.tab.h"
extern int      line;

%}
%%
[0-9]+                  { yylval.ival = atoi(yytext);  return(ConstOp); }
height                  { return(HeightOp); }
width                   { return(WidthOp); }
newplane                { return(NewplaneOp); }
update                  { return(UpdateOp); }
airport                 { return(AirportOp); }
line                    { return(LineOp); }
exit                    { return(ExitOp); }
beacon                  { return(BeaconOp); }
[wedcxzaq]              { yylval.cval = *yytext; return (DirOp); }
[ \t]+                  { }
#[^\n]*\n               { line++; }
\n                      { line++; }
.                       { return *yytext; }