1 %{ 2 /* $NetBSD: lex.l,v 1.9 2015/06/19 06:02:31 dholland Exp $ */ 3 4 /*- 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Ed James. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* 37 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 38 * 39 * Copy permission is hereby granted provided that this notice is 40 * retained on all partial or complete copies. 41 * 42 * For more info on this and all of my stuff, mail edjames@berkeley.edu. 43 */ 44 45 #include <sys/cdefs.h> 46 #ifndef lint 47 #if 0 48 static char sccsid[] = "@(#)lex.l 8.1 (Berkeley) 5/31/93"; 49 #else 50 __RCSID("$NetBSD: lex.l,v 1.9 2015/06/19 06:02:31 dholland Exp $"); 51 #endif 52 #endif /* not lint */ 53 54 #undef ECHO /* XXX: work around lex(1) vs termios lameness */ 55 #include "grammar.h" 56 57 extern int line; 58 59 %} 60 %option nounput noinput 61 %% 62 [0-9]+ { yylval.ival = atoi(yytext); return(ConstOp); } 63 height { return(HeightOp); } 64 width { return(WidthOp); } 65 newplane { return(NewplaneOp); } 66 update { return(UpdateOp); } 67 airport { return(AirportOp); } 68 line { return(LineOp); } 69 exit { return(ExitOp); } 70 beacon { return(BeaconOp); } 71 [wedcxzaq] { yylval.cval = *yytext; return (DirOp); } 72 [ \t]+ { } 73 #[^\n]*\n { line++; } 74 \n { line++; } 75 . { return *yytext; } 76