1 %{ 2 /* $OpenBSD: lex.l,v 1.3 2003/06/03 03:01:38 millert Exp $ */ 3 /* $NetBSD: lex.l,v 1.3 1995/03/21 15:04:15 cgd Exp $ */ 4 5 /*- 6 * Copyright (c) 1990, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Ed James. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 /* 38 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 39 * 40 * Copy permission is hereby granted provided that this notice is 41 * retained on all partial or complete copies. 42 * 43 * For more info on this and all of my stuff, mail edjames@berkeley.edu. 44 */ 45 46 #ifndef lint 47 #if 0 48 static char sccsid[] = "@(#)lex.l 8.1 (Berkeley) 5/31/93"; 49 #else 50 static char rcsid[] = "$OpenBSD: lex.l,v 1.3 2003/06/03 03:01:38 millert Exp $"; 51 #endif 52 #endif /* not lint */ 53 54 #include "y.tab.h" 55 56 extern int line; 57 58 %} 59 %% 60 [0-9]+ { yylval.ival = atoi(yytext); return(ConstOp); } 61 height { return(HeightOp); } 62 width { return(WidthOp); } 63 newplane { return(NewplaneOp); } 64 update { return(UpdateOp); } 65 airport { return(AirportOp); } 66 line { return(LineOp); } 67 exit { return(ExitOp); } 68 beacon { return(BeaconOp); } 69 [wedcxzaq] { yylval.cval = *yytext; return (DirOp); } 70 [ \t]+ { } 71 #[^\n]*\n { line++; } 72 \n { line++; } 73 . { return *yytext; } 74