102 lines
2.9 KiB
Plaintext
102 lines
2.9 KiB
Plaintext
%{
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/*-
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* Copyright (c) 1983 The Regents of the University of California.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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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#ifndef lint
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/*static char sccsid[] = "from: @(#)scan.l 5.8 (Berkeley) 4/19/91";*/
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static char rcsid[] = "$Id: scan.l,v 1.2 1993/08/01 17:59:38 mycroft Exp $";
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#endif /* not lint */
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extern int yylineno;
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int yylineno = 1;
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#include "y.tab.h"
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#include "htable.h"
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%}
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BLANK [ \t]
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DIGIT [0-9]
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ALPHA [A-Za-z]
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ANUM [0-9A-Za-z]
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NAMECHR [0-9A-Za-z./-]
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%%
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"NET" {
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yylval.number = KW_NET;
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return (KEYWORD);
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}
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"GATEWAY" {
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yylval.number = KW_GATEWAY;
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return (KEYWORD);
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}
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"HOST" {
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yylval.number = KW_HOST;
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return (KEYWORD);
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}
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{ALPHA}{NAMECHR}*{ANUM} {
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yylval.namelist = newname(yytext);
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return (NAME);
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}
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{ALPHA} {
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yylval.namelist = newname(yytext);
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return (NAME);
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}
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{DIGIT}+{ALPHA}{NAMECHR}* {
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fprintf(stderr, "Warning: nonstandard name \"%s\"\n",
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yytext);
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yylval.namelist = newname(yytext);
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return (NAME);
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}
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{DIGIT}+ {
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yylval.number = atoi(yytext);
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return (NUMBER);
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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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";".* ;
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"\n"{BLANK}+ ++yylineno;
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{BLANK}+ ;
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"\n" ++yylineno; return (END);
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. fprintf(stderr, "Illegal char: '%s'\n", yytext);
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%%
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