1 %{ 2 /* $OpenBSD: lex.l,v 1.2 1998/09/21 07:36:06 pjanzen 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 /* 42 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 43 * 44 * Copy permission is hereby granted provided that this notice is 45 * retained on all partial or complete copies. 46 * 47 * For more info on this and all of my stuff, mail edjames@berkeley.edu. 48 */ 49 50 #ifndef lint 51 #if 0 52 static char sccsid[] = "@(#)lex.l 8.1 (Berkeley) 5/31/93"; 53 #else 54 static char rcsid[] = "$OpenBSD: lex.l,v 1.2 1998/09/21 07:36:06 pjanzen Exp $"; 55 #endif 56 #endif /* not lint */ 57 58 #include "y.tab.h" 59 60 extern int line; 61 62 %} 63 %% 64 [0-9]+ { yylval.ival = atoi(yytext); return(ConstOp); } 65 height { return(HeightOp); } 66 width { return(WidthOp); } 67 newplane { return(NewplaneOp); } 68 update { return(UpdateOp); } 69 airport { return(AirportOp); } 70 line { return(LineOp); } 71 exit { return(ExitOp); } 72 beacon { return(BeaconOp); } 73 [wedcxzaq] { yylval.cval = *yytext; return (DirOp); } 74 [ \t]+ { } 75 #[^\n]*\n { line++; } 76 \n { line++; } 77 . { return *yytext; } 78