lexer.l revision 285830
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: releng/10.2/usr.sbin/bluetooth/bthidd/lexer.l 250926 2013-05-23 05:42:35Z jkim $ 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