lexer.l revision 162128 
1226584Sdim%{
2226584Sdim/*
3226584Sdim * lexer.l
4226584Sdim */
5226584Sdim
6226584Sdim/*-
7226584Sdim * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
8226584Sdim * All rights reserved.
9226584Sdim *
10226584Sdim * Redistribution and use in source and binary forms, with or without
11226584Sdim * modification, are permitted provided that the following conditions
12226584Sdim * are met:
13226584Sdim * 1. Redistributions of source code must retain the above copyright
14226584Sdim *    notice, this list of conditions and the following disclaimer.
15226584Sdim * 2. Redistributions in binary form must reproduce the above copyright
16226584Sdim *    notice, this list of conditions and the following disclaimer in the
17226584Sdim *    documentation and/or other materials provided with the distribution.
18226584Sdim *
19226584Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20226584Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21226584Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22226584Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23226584Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24226584Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25226584Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26226584Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27226584Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28226584Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29226584Sdim * SUCH DAMAGE.
30226584Sdim *
31226584Sdim * $Id: lexer.l,v 1.3 2006/09/07 21:06:53 max Exp $
32226584Sdim * $FreeBSD: head/usr.sbin/bluetooth/bthidd/lexer.l 162128 2006-09-07 21:47:49Z emax $
33226584Sdim */
34226584Sdim
35226584Sdim#include <bluetooth.h>
36226584Sdim#include <stdlib.h>
37226584Sdim#include "parser.h"
38226584Sdim
39226584Sdim	int	yylex	(void);
40226584Sdim%}
41226584Sdim
42226584Sdim%option yylineno noyywrap nounput
43226584Sdim
44226584Sdimdelim				[ \t\n]
45226584Sdimws				{delim}+
46226584Sdimempty				{delim}*
47226584Sdimcomment				\#.*
48226584Sdim
49226584Sdimhexdigit			[0-9a-fA-F]
50226584Sdimhexbyte				{hexdigit}{hexdigit}?
51226584Sdim
52226584Sdimdevice_word			device
53226584Sdimbdaddr_word			bdaddr
54226584Sdimcontrol_psm_word		control_psm
55interrupt_psm_word		interrupt_psm
56reconnect_initiate_word		reconnect_initiate
57battery_power_word		battery_power
58normally_connectable_word	normally_connectable
59hid_descriptor_word		hid_descriptor
60true_word			true
61false_word			false
62
63bdaddrstring			{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}
64hexbytestring			0x{hexbyte}
65
66%%
67
68\;				return (';');
69\:				return (':');
70\{				return ('{');
71\}				return ('}');
72
73{ws}				;
74{empty}				;
75{comment}			;
76
77{device_word}			return (T_DEVICE);
78{bdaddr_word}			return (T_BDADDR);
79{control_psm_word}		return (T_CONTROL_PSM);
80{interrupt_psm_word}		return (T_INTERRUPT_PSM);
81{reconnect_initiate_word}	return (T_RECONNECT_INITIATE);
82{battery_power_word}		return (T_BATTERY_POWER);
83{normally_connectable_word}	return (T_NORMALLY_CONNECTABLE);
84{hid_descriptor_word}		return (T_HID_DESCRIPTOR);
85{true_word}			return (T_TRUE);
86{false_word}			return (T_FALSE);
87
88{bdaddrstring}			{
89				return (bt_aton(yytext, &yylval.bdaddr)?
90						T_BDADDRSTRING : T_ERROR);
91				}
92
93{hexbytestring}			{
94				char	*ep;
95
96				yylval.num = strtoul(yytext, &ep, 16);
97
98				return (*ep == '\0'? T_HEXBYTE : T_ERROR);
99				}
100
101.				return (T_ERROR);
102
103%%
104
105