107 lines
2.9 KiB
Plaintext
107 lines
2.9 KiB
Plaintext
%{
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/*
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* lexer.l
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*/
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/*-
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* Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: lexer.l,v 1.3 2006/09/07 21:06:53 max Exp $
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* $FreeBSD$
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*/
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#include <bluetooth.h>
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#include <stdlib.h>
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#include "parser.h"
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int yylex (void);
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#define YY_DECL int yylex(void)
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%}
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%option yylineno noyywrap nounput noinput
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delim [ \t\n]
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ws {delim}+
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empty {delim}*
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comment \#.*
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hexdigit [0-9a-fA-F]
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hexbyte {hexdigit}{hexdigit}?
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device_word device
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bdaddr_word bdaddr
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control_psm_word control_psm
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interrupt_psm_word interrupt_psm
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reconnect_initiate_word reconnect_initiate
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battery_power_word battery_power
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normally_connectable_word normally_connectable
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hid_descriptor_word hid_descriptor
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true_word true
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false_word false
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bdaddrstring {hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}:{hexbyte}
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hexbytestring 0x{hexbyte}
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%%
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\; return (';');
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\: return (':');
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\{ return ('{');
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\} return ('}');
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{ws} ;
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{empty} ;
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{comment} ;
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{device_word} return (T_DEVICE);
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{bdaddr_word} return (T_BDADDR);
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{control_psm_word} return (T_CONTROL_PSM);
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{interrupt_psm_word} return (T_INTERRUPT_PSM);
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{reconnect_initiate_word} return (T_RECONNECT_INITIATE);
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{battery_power_word} return (T_BATTERY_POWER);
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{normally_connectable_word} return (T_NORMALLY_CONNECTABLE);
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{hid_descriptor_word} return (T_HID_DESCRIPTOR);
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{true_word} return (T_TRUE);
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{false_word} return (T_FALSE);
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{bdaddrstring} {
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return (bt_aton(yytext, &yylval.bdaddr)?
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T_BDADDRSTRING : T_ERROR);
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}
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{hexbytestring} {
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char *ep;
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yylval.num = strtoul(yytext, &ep, 16);
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return (*ep == '\0'? T_HEXBYTE : T_ERROR);
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}
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. return (T_ERROR);
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%%
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