1%{
2/*
3 * lexer.l
4 */
5
6/*-
7 * Copyright (c) 2006 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 1.3 2006/09/07 21:06:53 max Exp $
32 * $FreeBSD$
33 */
34
35#include <bluetooth.h>
36#include <stdlib.h>
37#include "parser.h"
38
39	int	yylex	(void);
40
41#define	YY_DECL	int yylex(void)
42%}
43
44%option yylineno noyywrap nounput noinput
45
46delim				[ \t\n]
47ws				{delim}+
48empty				{delim}*
49comment				\#.*
50
51hexdigit			[0-9a-fA-F]
52hexbyte				{hexdigit}{hexdigit}?
53
54device_word			device
55bdaddr_word			bdaddr
56control_psm_word		control_psm
57interrupt_psm_word		interrupt_psm
58reconnect_initiate_word		reconnect_initiate
59battery_power_word		battery_power
60normally_connectable_word	normally_connectable
61hid_descriptor_word		hid_descriptor
62true_word			true
63false_word			false
64
65bdaddrstring			{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}
66hexbytestring			0x{hexbyte}
67
68%%
69
70\;				return (';');
71\:				return (':');
72\{				return ('{');
73\}				return ('}');
74
75{ws}				;
76{empty}				;
77{comment}			;
78
79{device_word}			return (T_DEVICE);
80{bdaddr_word}			return (T_BDADDR);
81{control_psm_word}		return (T_CONTROL_PSM);
82{interrupt_psm_word}		return (T_INTERRUPT_PSM);
83{reconnect_initiate_word}	return (T_RECONNECT_INITIATE);
84{battery_power_word}		return (T_BATTERY_POWER);
85{normally_connectable_word}	return (T_NORMALLY_CONNECTABLE);
86{hid_descriptor_word}		return (T_HID_DESCRIPTOR);
87{true_word}			return (T_TRUE);
88{false_word}			return (T_FALSE);
89
90{bdaddrstring}			{
91				return (bt_aton(yytext, &yylval.bdaddr)?
92						T_BDADDRSTRING : T_ERROR);
93				}
94
95{hexbytestring}			{
96				char	*ep;
97
98				yylval.num = strtoul(yytext, &ep, 16);
99
100				return (*ep == '\0'? T_HEXBYTE : T_ERROR);
101				}
102
103.				return (T_ERROR);
104
105%%
106
107