101 lines
2.8 KiB
Plaintext
101 lines
2.8 KiB
Plaintext
|
%{
|
||
|
|
/*-
|
||
|
|
* Copyright (c) 1983 The Regents of the University of California.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by the University of
|
||
|
|
* California, Berkeley and its contributors.
|
||
|
|
* 4. Neither the name of the University nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef lint
|
||
|
|
static char sccsid[] = "@(#)scan.l 5.8 (Berkeley) 4/19/91";
|
||
|
|
#endif /* not lint */
|
||
|
|
|
||
|
|
extern int yylineno;
|
||
|
|
int yylineno = 1;
|
||
|
|
|
||
|
|
#include "y.tab.h"
|
||
|
|
#include "htable.h"
|
||
|
|
%}
|
||
|
|
|
||
|
|
BLANK [ \t]
|
||
|
|
DIGIT [0-9]
|
||
|
|
ALPHA [A-Za-z]
|
||
|
|
ANUM [0-9A-Za-z]
|
||
|
|
NAMECHR [0-9A-Za-z./-]
|
||
|
|
|
||
|
|
%%
|
||
|
|
"NET" {
|
||
|
|
yylval.number = KW_NET;
|
||
|
|
return (KEYWORD);
|
||
|
|
}
|
||
|
|
|
||
|
|
"GATEWAY" {
|
||
|
|
yylval.number = KW_GATEWAY;
|
||
|
|
return (KEYWORD);
|
||
|
|
}
|
||
|
|
|
||
|
|
"HOST" {
|
||
|
|
yylval.number = KW_HOST;
|
||
|
|
return (KEYWORD);
|
||
|
|
}
|
||
|
|
|
||
|
|
{ALPHA}{NAMECHR}*{ANUM} {
|
||
|
|
yylval.namelist = newname(yytext);
|
||
|
|
return (NAME);
|
||
|
|
}
|
||
|
|
|
||
|
|
{ALPHA} {
|
||
|
|
yylval.namelist = newname(yytext);
|
||
|
|
return (NAME);
|
||
|
|
}
|
||
|
|
|
||
|
|
{DIGIT}+{ALPHA}{NAMECHR}* {
|
||
|
|
fprintf(stderr, "Warning: nonstandard name \"%s\"\n",
|
||
|
|
yytext);
|
||
|
|
yylval.namelist = newname(yytext);
|
||
|
|
return (NAME);
|
||
|
|
}
|
||
|
|
|
||
|
|
{DIGIT}+ {
|
||
|
|
yylval.number = atoi(yytext);
|
||
|
|
return (NUMBER);
|
||
|
|
}
|
||
|
|
|
||
|
|
"." return ('.');
|
||
|
|
":" return (':');
|
||
|
|
"," return (',');
|
||
|
|
"/" return ('/');
|
||
|
|
";".* ;
|
||
|
|
"\n"{BLANK}+ ++yylineno;
|
||
|
|
{BLANK}+ ;
|
||
|
|
"\n" ++yylineno; return (END);
|
||
|
|
. fprintf(stderr, "Illegal char: '%s'\n", yytext);
|
||
|
|
|
||
|
|
%%
|