xref: /openbsd/games/atc/lex.l (revision cca36db2)
1 %{
2 /*	$OpenBSD: lex.l,v 1.4 2009/10/27 23:59:23 deraadt 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. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 /*
38  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
39  *
40  * Copy permission is hereby granted provided that this notice is
41  * retained on all partial or complete copies.
42  *
43  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
44  */
45 
46 #include "y.tab.h"
47 
48 extern int	line;
49 
50 %}
51 %%
52 [0-9]+			{ yylval.ival = atoi(yytext);  return(ConstOp); }
53 height			{ return(HeightOp); }
54 width			{ return(WidthOp); }
55 newplane		{ return(NewplaneOp); }
56 update			{ return(UpdateOp); }
57 airport			{ return(AirportOp); }
58 line			{ return(LineOp); }
59 exit			{ return(ExitOp); }
60 beacon			{ return(BeaconOp); }
61 [wedcxzaq]		{ yylval.cval = *yytext; return (DirOp); }
62 [ \t]+			{ }
63 #[^\n]*\n		{ line++; }
64 \n			{ line++; }
65 .			{ return *yytext; }
66