76 lines
1.2 KiB
Plaintext
76 lines
1.2 KiB
Plaintext
%{
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/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)scan.l 1.1 94/10/31 SMI"; /* from UCB 5.2 6/21/85 */
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#endif not lint
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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}+ ;
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{BLANK}+ ;
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"\n" return (END);
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. fprintf(stderr, "Illegal char: '%s'\n", yytext);
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%%
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yywrap()
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{
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return (1);
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}
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