xref: /freebsd/usr.sbin/bluetooth/bthidd/lexer.l (revision fd45b686f9d92f583366c75b22c04c7ee49709c0)
1 %{
2 /*
3  * lexer.l
4  */
5 
6 /*-
7  * SPDX-License-Identifier: BSD-2-Clause
8  *
9  * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * $Id: lexer.l,v 1.3 2006/09/07 21:06:53 max Exp $
34  */
35 #define L2CAP_SOCKET_CHECKED
36 #include <bluetooth.h>
37 #include <stdlib.h>
38 #include "parser.h"
39 
40 	int	yylex	(void);
41 
42 #define	YY_DECL	int yylex(void)
43 %}
44 
45 %option yylineno noyywrap nounput noinput
46 
47 delim				[ \t\n]
48 ws				{delim}+
49 empty				{delim}*
50 comment				\#.*
51 
52 hexdigit			[0-9a-fA-F]
53 hexbyte				{hexdigit}{hexdigit}?
54 hexword				{hexdigit}{hexdigit}?{hexdigit}?{hexdigit}?
55 
56 device_word			device
57 bdaddr_word			bdaddr
58 name_word			name
59 vendor_id_word			vendor_id
60 product_id_word			product_id
61 version_word			version
62 control_psm_word		control_psm
63 interrupt_psm_word		interrupt_psm
64 reconnect_initiate_word		reconnect_initiate
65 battery_power_word		battery_power
66 normally_connectable_word	normally_connectable
67 hid_descriptor_word		hid_descriptor
68 true_word			true
69 false_word			false
70 
71 bdaddrstring			{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}
72 hexbytestring			0x{hexbyte}
73 hexwordstring			0x{hexword}
74 string				\".+\"
75 
76 %%
77 
78 \;				return (';');
79 \:				return (':');
80 \{				return ('{');
81 \}				return ('}');
82 
83 {ws}				;
84 {empty}				;
85 {comment}			;
86 
87 {device_word}			return (T_DEVICE);
88 {bdaddr_word}			return (T_BDADDR);
89 {name_word}			return (T_NAME);
90 {vendor_id_word}		return (T_VENDOR_ID);
91 {product_id_word}		return (T_PRODUCT_ID);
92 {version_word}			return (T_VERSION);
93 {control_psm_word}		return (T_CONTROL_PSM);
94 {interrupt_psm_word}		return (T_INTERRUPT_PSM);
95 {reconnect_initiate_word}	return (T_RECONNECT_INITIATE);
96 {battery_power_word}		return (T_BATTERY_POWER);
97 {normally_connectable_word}	return (T_NORMALLY_CONNECTABLE);
98 {hid_descriptor_word}		return (T_HID_DESCRIPTOR);
99 {true_word}			return (T_TRUE);
100 {false_word}			return (T_FALSE);
101 
102 {bdaddrstring}			{
103 				return (bt_aton(yytext, &yylval.bdaddr)?
104 						T_BDADDRSTRING : T_ERROR);
105 				}
106 
107 {hexbytestring}			{
108 				char	*ep;
109 
110 				yylval.num = strtoul(yytext, &ep, 16);
111 
112 				return (*ep == '\0'? T_HEXBYTE : T_ERROR);
113 				}
114 
115 {hexwordstring}			{
116 				char	*ep;
117 
118 				yylval.num = strtoul(yytext, &ep, 16);
119 
120 				return (*ep == '\0'? T_HEXWORD : T_ERROR);
121 				}
122 
123 {string}			{
124 				yytext[strlen(yytext) - 1] = 0;
125 				yylval.string = &yytext[1];
126 				return (T_STRING);
127 				}
128 
129 .				return (T_ERROR);
130 
131 %%
132 
133