xref: /netbsd/games/atc/lex.l (revision bf9ec67e)
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