1 %{ 2 /* 3 * lexer.l 4 */ 5 6 /*- 7 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 35 */ 36 #define L2CAP_SOCKET_CHECKED 37 #include <bluetooth.h> 38 #include <stdlib.h> 39 #include "parser.h" 40 41 int yylex (void); 42 43 #define YY_DECL int yylex(void) 44 %} 45 46 %option yylineno noyywrap nounput noinput 47 48 delim [ \t\n] 49 ws {delim}+ 50 empty {delim}* 51 comment \#.* 52 53 hexdigit [0-9a-fA-F] 54 hexbyte {hexdigit}{hexdigit}? 55 hexword {hexdigit}{hexdigit}?{hexdigit}?{hexdigit}? 56 57 device_word device 58 bdaddr_word bdaddr 59 name_word name 60 vendor_id_word vendor_id 61 product_id_word product_id 62 version_word version 63 control_psm_word control_psm 64 interrupt_psm_word interrupt_psm 65 reconnect_initiate_word reconnect_initiate 66 battery_power_word battery_power 67 normally_connectable_word normally_connectable 68 hid_descriptor_word hid_descriptor 69 true_word true 70 false_word false 71 72 bdaddrstring {hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte} 73 hexbytestring 0x{hexbyte} 74 hexwordstring 0x{hexword} 75 string \".+\" 76 77 %% 78 79 \; return (';'); 80 \: return (':'); 81 \{ return ('{'); 82 \} return ('}'); 83 84 {ws} ; 85 {empty} ; 86 {comment} ; 87 88 {device_word} return (T_DEVICE); 89 {bdaddr_word} return (T_BDADDR); 90 {name_word} return (T_NAME); 91 {vendor_id_word} return (T_VENDOR_ID); 92 {product_id_word} return (T_PRODUCT_ID); 93 {version_word} return (T_VERSION); 94 {control_psm_word} return (T_CONTROL_PSM); 95 {interrupt_psm_word} return (T_INTERRUPT_PSM); 96 {reconnect_initiate_word} return (T_RECONNECT_INITIATE); 97 {battery_power_word} return (T_BATTERY_POWER); 98 {normally_connectable_word} return (T_NORMALLY_CONNECTABLE); 99 {hid_descriptor_word} return (T_HID_DESCRIPTOR); 100 {true_word} return (T_TRUE); 101 {false_word} return (T_FALSE); 102 103 {bdaddrstring} { 104 return (bt_aton(yytext, &yylval.bdaddr)? 105 T_BDADDRSTRING : T_ERROR); 106 } 107 108 {hexbytestring} { 109 char *ep; 110 111 yylval.num = strtoul(yytext, &ep, 16); 112 113 return (*ep == '\0'? T_HEXBYTE : T_ERROR); 114 } 115 116 {hexwordstring} { 117 char *ep; 118 119 yylval.num = strtoul(yytext, &ep, 16); 120 121 return (*ep == '\0'? T_HEXWORD : T_ERROR); 122 } 123 124 {string} { 125 yytext[strlen(yytext) - 1] = 0; 126 yylval.string = &yytext[1]; 127 return (T_STRING); 128 } 129 130 . return (T_ERROR); 131 132 %% 133 134