1 %{ 2 /*- 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Ed James. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)lex.l 8.1 (Berkeley) 5/31/93 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 #pragma GCC diagnostic ignored "-Wsign-compare" 46 #include "y.tab.h" 47 48 extern int line; 49 50 %} 51 %option nounput 52 %option noinput 53 %% 54 [0-9]+ { yylval.ival = atoi(yytext); return(ConstOp); } 55 height { return(HeightOp); } 56 width { return(WidthOp); } 57 newplane { return(NewplaneOp); } 58 update { return(UpdateOp); } 59 airport { return(AirportOp); } 60 line { return(LineOp); } 61 exit { return(ExitOp); } 62 beacon { return(BeaconOp); } 63 [wedcxzaq] { yylval.cval = *yytext; return (DirOp); } 64 [ \t]+ { } 65 #[^\n]*\n { line++; } 66 \n { line++; } 67 . { return *yytext; } 68