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270 lines
5.1 KiB
Plaintext
270 lines
5.1 KiB
Plaintext
/* $KAME: lexer.l,v 1.7 2000/11/08 02:40:53 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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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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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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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* $FreeBSD$
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*/
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%{
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/queue.h>
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#include <string.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/in_var.h>
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#include <netinet/icmp6.h>
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#include <arpa/inet.h>
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#include "y.tab.h"
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int lineno = 1;
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#define LINEBUF_SIZE 1000
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char linebuf[LINEBUF_SIZE];
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int parse(FILE **);
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void yyerror(const char *);
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int yylex(void);
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%}
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%option nounput
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/* common section */
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nl \n
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ws [ \t]+
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digit [0-9]
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letter [0-9A-Za-z]
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hexdigit [0-9A-Fa-f]
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special [()+\|\?\*,]
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dot \.
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hyphen \-
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colon \:
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slash \/
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bcl \{
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ecl \}
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semi \;
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usec {dot}{digit}{1,6}
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comment \#.*
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qstring \"[^"]*\"
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decstring {digit}+
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hexpair {hexdigit}{hexdigit}
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hexstring 0[xX]{hexdigit}+
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octetstring {octet}({dot}{octet})+
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ipv4addr {digit}{1,3}({dot}{digit}{1,3}){0,3}
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ipv6addr {hexdigit}{0,4}({colon}{hexdigit}{0,4}){2,7}
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ipaddrmask {slash}{digit}{1,3}
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keyword {letter}{letter}+
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name {letter}(({letter}|{digit}|{hyphen})*({letter}|{digit}))*
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hostname {name}(({dot}{name})+{dot}?)?
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timeval {digit}{0,2}
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days d{timeval}
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hours h{timeval}
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minutes m{timeval}
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seconds s{timeval}
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mprefix match_prefix|match-prefix
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uprefix use_prefix|use-prefix
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%%
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/* rrenumd keywords */
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debug {
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return(DEBUG_CMD);
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}
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dest {
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return(DEST_CMD);
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}
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retry {
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return(RETRY_CMD);
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}
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seqnum {
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return(SEQNUM_CMD);
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}
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add {
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yylval.num = RPM_PCO_ADD;
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return(ADD);
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}
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change {
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yylval.num = RPM_PCO_CHANGE;
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return(CHANGE);
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}
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setglobal {
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yylval.num = RPM_PCO_SETGLOBAL;
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return(SETGLOBAL);
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}
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{mprefix} {
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return(MATCH_PREFIX_CMD);
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}
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maxlen {
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return(MAXLEN_CMD);
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}
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minlen {
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return(MINLEN_CMD);
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}
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{uprefix} {
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return(USE_PREFIX_CMD);
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}
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keeplen {
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return(KEEPLEN_CMD);
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}
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vltime {
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return(VLTIME_CMD);
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}
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pltime {
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return(PLTIME_CMD);
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}
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raf_onlink {
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return(RAF_ONLINK_CMD);
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}
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raf_auto {
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return(RAF_AUTO_CMD);
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}
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rrf_decrvalid {
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return(RAF_DECRVALID_CMD);
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}
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rrf_decrprefd {
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return(RAF_DECRPREFD_CMD);
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}
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{days} {
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yytext++;
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yylval.num = atoi(yytext);
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return(DAYS);
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}
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{hours} {
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yytext++;
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yylval.num = atoi(yytext);
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return(HOURS);
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}
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{minutes} {
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yytext++;
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yylval.num = atoi(yytext);
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return(MINUTES);
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}
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{seconds} {
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yytext++;
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yylval.num = atoi(yytext);
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return(SECONDS);
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}
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infinity {
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return(INFINITY);
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}
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on {
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yylval.num = 1;
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return(ON);
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}
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off {
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yylval.num = 0;
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return(OFF);
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}
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/* basic rules */
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{ws} ;
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{nl} {
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lineno++;
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}
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{semi} {
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return EOS;
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}
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{bcl} {
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return BCL;
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}
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{ecl} {
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return ECL;
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}
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{qstring} {
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yylval.cs.cp = yytext;
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yylval.cs.len = yyleng;
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return QSTRING;
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}
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{decstring} {
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yylval.cs.cp = yytext;
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yylval.cs.len = yyleng;
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return DECSTRING;
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}
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{name} {
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yylval.cs.cp = yytext;
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yylval.cs.len = yyleng;
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return NAME;
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}
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{ipv4addr} {
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memset(&yylval.addr4, 0, sizeof(struct in_addr));
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if (inet_pton(AF_INET, yytext,
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&yylval.addr4) == 1) {
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return IPV4ADDR;
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} else {
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return ERROR;
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}
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}
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{ipv6addr} {
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memset(&yylval.addr6, 0, sizeof(struct in6_addr));
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if (inet_pton(AF_INET6, yytext,
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&yylval.addr6) == 1) {
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return IPV6ADDR;
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} else {
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return ERROR;
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}
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}
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{ipaddrmask} {
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yytext++;
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yylval.num = atoi(yytext);
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return(PREFIXLEN);
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}
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{hostname} {
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yylval.cs.cp = yytext;
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yylval.cs.len = yyleng;
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return HOSTNAME;
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}
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%%
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int parse(FILE **fp)
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{
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extern int yyparse(void);
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yyin = *fp;
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if (yyparse())
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return(-1);
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return(0);
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}
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void
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yyerror(const char *s)
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{
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printf("%s: at %s in line %d\n", s, yytext, lineno);
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}
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