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 42 %option yylineno noyywrap nounput 43 44 delim [ \t\n] 45 ws {delim}+ 46 empty {delim}* 47 comment \#.* 48 49 hexdigit [0-9a-fA-F] 50 hexbyte {hexdigit}{hexdigit}? 51 52 device_word device 53 bdaddr_word bdaddr 54 control_psm_word control_psm 55 interrupt_psm_word interrupt_psm 56 reconnect_initiate_word reconnect_initiate 57 battery_power_word battery_power 58 normally_connectable_word normally_connectable 59 hid_descriptor_word hid_descriptor 60 true_word true 61 false_word false 62 63 bdaddrstring {hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte} 64 hexbytestring 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