xref: /freebsd/usr.sbin/bluetooth/hcsecd/lexer.l (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 %{
2 /*-
3  * lexer.l
4  *
5  * SPDX-License-Identifier: BSD-2-Clause
6  *
7  * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $Id: lexer.l,v 1.1 2002/11/24 20:22:39 max Exp $
32  */
33 
34 #include <string.h>
35 #include "parser.h"
36 %}
37 
38 %option yylineno noyywrap nounput noinput
39 
40 delim		[ \t\n]
41 ws		{delim}+
42 empty		{delim}*
43 comment		\#.*
44 
45 hexdigit	[0-9a-fA-F]
46 hexbyte		{hexdigit}{hexdigit}
47 
48 device_word	device
49 bdaddr_word	bdaddr
50 name_word	name
51 key_word	key
52 nokey_word	nokey
53 pin_word	pin
54 nopin_word	nopin
55 
56 bdaddrstring	{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}
57 hexstring	0x{hexbyte}+
58 string		\".+\"
59 
60 %%
61 
62 \;		return (';');
63 \:		return (':');
64 \{		return ('{');
65 \}		return ('}');
66 
67 {ws}		;
68 {empty}		;
69 {comment}	;
70 
71 {device_word}	return (T_DEVICE);
72 {bdaddr_word}	return (T_BDADDR);
73 {name_word}	return (T_NAME);
74 {key_word}	return (T_KEY);
75 {nokey_word}	return (T_NOKEY);
76 {pin_word}	return (T_PIN);
77 {nopin_word}	return (T_NOPIN);
78 
79 {bdaddrstring}	{
80 		yylval.string = yytext;
81 		return (T_BDADDRSTRING);
82 		}
83 
84 {hexstring}	{
85 		yylval.string = &yytext[2];
86 		return (T_HEXSTRING);
87 		}
88 
89 {string}	{
90 		yytext[strlen(yytext) - 1] = 0;
91 		yylval.string = &yytext[1];
92 		return (T_STRING);
93 		}
94 
95 %%
96 
97