1 %{ 2 /* $NetBSD: lex.l,v 1.6 1998/04/09 00:32:32 tv 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. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 42 * 43 * Copy permission is hereby granted provided that this notice is 44 * retained on all partial or complete copies. 45 * 46 * For more info on this and all of my stuff, mail edjames@berkeley.edu. 47 */ 48 49 #include <sys/cdefs.h> 50 #ifndef lint 51 #if 0 52 static char sccsid[] = "@(#)lex.l 8.1 (Berkeley) 5/31/93"; 53 #else 54 __RCSID("$NetBSD: lex.l,v 1.6 1998/04/09 00:32:32 tv Exp $"); 55 #endif 56 #endif /* not lint */ 57 58 #include "include.h" 59 #undef ECHO /* XXX: work around lex(1) vs termios lameness */ 60 #include "grammar.h" 61 62 extern int line; 63 64 %} 65 %% 66 [0-9]+ { yylval.ival = atoi(yytext); return(ConstOp); } 67 height { return(HeightOp); } 68 width { return(WidthOp); } 69 newplane { return(NewplaneOp); } 70 update { return(UpdateOp); } 71 airport { return(AirportOp); } 72 line { return(LineOp); } 73 exit { return(ExitOp); } 74 beacon { return(BeaconOp); } 75 [wedcxzaq] { yylval.cval = *yytext; return (DirOp); } 76 [ \t]+ { } 77 #[^\n]*\n { line++; } 78 \n { line++; } 79 . { return *yytext; } 80