xref: /dragonfly/games/atc/lex.l (revision dca3c15d)
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. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by the University of
20  *	California, Berkeley and its contributors.
21  * 4. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * @(#)lex.l	8.1 (Berkeley) 5/31/93
38  * $DragonFly: src/games/atc/lex.l,v 1.3 2006/08/08 15:03:02 pavalos Exp $
39  */
40 
41 /*
42  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
43  *
44  * Copy permission is hereby granted provided that this notice is
45  * retained on all partial or complete copies.
46  *
47  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
48  */
49 
50 #include	"y.tab.h"
51 
52 #define		YY_NO_INPUT
53 #define		YY_NO_UNPUT
54 extern int	line;
55 extern int	yylex(void);
56 
57 %}
58 %%
59 [0-9]+			{ yylval.ival = atoi(yytext);  return(ConstOp); }
60 height			{ return(HeightOp); }
61 width			{ return(WidthOp); }
62 newplane		{ return(NewplaneOp); }
63 update			{ return(UpdateOp); }
64 airport			{ return(AirportOp); }
65 line			{ return(LineOp); }
66 exit			{ return(ExitOp); }
67 beacon			{ return(BeaconOp); }
68 [wedcxzaq]		{ yylval.cval = *yytext; return (DirOp); }
69 [ \t]+			{ }
70 #[^\n]*\n		{ line++; }
71 \n			{ line++; }
72 .			{ return *yytext; }
73