1 1.1 cgd %{ 2 1.9 dholland /* $NetBSD: lex.l,v 1.9 2015/06/19 06:02:31 dholland Exp $ */ 3 1.3 cgd 4 1.1 cgd /*- 5 1.3 cgd * Copyright (c) 1990, 1993 6 1.3 cgd * The Regents of the University of California. All rights reserved. 7 1.1 cgd * 8 1.1 cgd * This code is derived from software contributed to Berkeley by 9 1.1 cgd * Ed James. 10 1.1 cgd * 11 1.1 cgd * Redistribution and use in source and binary forms, with or without 12 1.1 cgd * modification, are permitted provided that the following conditions 13 1.1 cgd * are met: 14 1.1 cgd * 1. Redistributions of source code must retain the above copyright 15 1.1 cgd * notice, this list of conditions and the following disclaimer. 16 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 17 1.1 cgd * notice, this list of conditions and the following disclaimer in the 18 1.1 cgd * documentation and/or other materials provided with the distribution. 19 1.7 agc * 3. Neither the name of the University nor the names of its contributors 20 1.1 cgd * may be used to endorse or promote products derived from this software 21 1.1 cgd * without specific prior written permission. 22 1.1 cgd * 23 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.1 cgd * SUCH DAMAGE. 34 1.1 cgd */ 35 1.1 cgd 36 1.1 cgd /* 37 1.1 cgd * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 38 1.1 cgd * 39 1.1 cgd * Copy permission is hereby granted provided that this notice is 40 1.1 cgd * retained on all partial or complete copies. 41 1.1 cgd * 42 1.1 cgd * For more info on this and all of my stuff, mail edjames (at) berkeley.edu. 43 1.1 cgd */ 44 1.1 cgd 45 1.4 lukem #include <sys/cdefs.h> 46 1.1 cgd #ifndef lint 47 1.3 cgd #if 0 48 1.3 cgd static char sccsid[] = "@(#)lex.l 8.1 (Berkeley) 5/31/93"; 49 1.3 cgd #else 50 1.9 dholland __RCSID("$NetBSD: lex.l,v 1.9 2015/06/19 06:02:31 dholland Exp $"); 51 1.3 cgd #endif 52 1.1 cgd #endif /* not lint */ 53 1.1 cgd 54 1.5 lukem #undef ECHO /* XXX: work around lex(1) vs termios lameness */ 55 1.6 tv #include "grammar.h" 56 1.4 lukem 57 1.1 cgd extern int line; 58 1.1 cgd 59 1.1 cgd %} 60 1.8 christos %option nounput noinput 61 1.1 cgd %% 62 1.1 cgd [0-9]+ { yylval.ival = atoi(yytext); return(ConstOp); } 63 1.1 cgd height { return(HeightOp); } 64 1.1 cgd width { return(WidthOp); } 65 1.1 cgd newplane { return(NewplaneOp); } 66 1.1 cgd update { return(UpdateOp); } 67 1.1 cgd airport { return(AirportOp); } 68 1.1 cgd line { return(LineOp); } 69 1.1 cgd exit { return(ExitOp); } 70 1.1 cgd beacon { return(BeaconOp); } 71 1.1 cgd [wedcxzaq] { yylval.cval = *yytext; return (DirOp); } 72 1.1 cgd [ \t]+ { } 73 1.1 cgd #[^\n]*\n { line++; } 74 1.1 cgd \n { line++; } 75 1.1 cgd . { return *yytext; } 76