lexer.l revision 137868 
1%{
2/*
3 * lexer.l
4 *
5 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $Id: lexer.l,v 1.2 2004/02/13 21:46:20 max Exp $
30 * $FreeBSD: head/usr.sbin/bluetooth/bthidd/lexer.l 128080 2004-04-10 00:18:00Z emax $
31 */
32
33#include <bluetooth.h>
34#include <stdlib.h>
35#include "parser.h"
36%}
37
38%option yylineno noyywrap nounput
39
40delim				[ \t\n]
41ws				{delim}+
42empty				{delim}*
43comment				\#.*
44
45hexdigit			[0-9a-fA-F]
46hexbyte				{hexdigit}{hexdigit}?
47
48device_word			device
49bdaddr_word			bdaddr
50control_psm_word		control_psm
51interrupt_psm_word		interrupt_psm
52reconnect_initiate_word		reconnect_initiate
53battery_power_word		battery_power
54normally_connectable_word	normally_connectable
55hid_descriptor_word		hid_descriptor
56true_word			true
57false_word			false
58
59bdaddrstring			{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}
60hexbytestring			0x{hexbyte}
61
62%%
63
64\;				return (';');
65\:				return (':');
66\{				return ('{');
67\}				return ('}');
68
69{ws}				;
70{empty}				;
71{comment}			;
72
73{device_word}			return (T_DEVICE);
74{bdaddr_word}			return (T_BDADDR);
75{control_psm_word}		return (T_CONTROL_PSM);
76{interrupt_psm_word}		return (T_INTERRUPT_PSM);
77{reconnect_initiate_word}	return (T_RECONNECT_INITIATE);
78{battery_power_word}		return (T_BATTERY_POWER);
79{normally_connectable_word}	return (T_NORMALLY_CONNECTABLE);
80{hid_descriptor_word}		return (T_HID_DESCRIPTOR);
81{true_word}			return (T_TRUE);
82{false_word}			return (T_FALSE);
83
84{bdaddrstring}			{
85				return (bt_aton(yytext, &yylval.bdaddr)?
86						T_BDADDRSTRING : T_ERROR);
87				}
88
89{hexbytestring}			{
90				char	*ep = NULL;
91
92				yylval.num = strtoul(yytext, &ep, 16);
93
94				return (*ep == '\0'? T_HEXBYTE : T_ERROR);
95				}
96
97.				return (T_ERROR);
98
99%%
100
101