parse.y revision 7c478bd95313f5f23a4c958a745db2134aa03244
%{
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
%}
/*
* Copyright 1989 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley 4.3 BSD
* under license from the Regents of the University of California.
*/
%{
#ident "%Z%%M% %I% %E% SMI"
#include "htable.h"
%}
%union {
int number;
struct addr *addrlist;
struct name *namelist;
}
%start Table
%token END
%token <number> NUMBER KEYWORD
%token <namelist> NAME
%type <namelist> Names Cputype Opsys Protos Proto
%type <addrlist> Addresses Address
%%
Table : Entry
| Table Entry
;
Entry : KEYWORD ':' Addresses ':' Names ':' END
= {
do_entry($1, $3, $5, NONAME, NONAME, NONAME);
}
| KEYWORD ':' Addresses ':' Names ':' Cputype ':' END
= {
do_entry($1, $3, $5, $7, NONAME, NONAME);
}
| KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' END
= {
do_entry($1, $3, $5, $7, $9, NONAME);
}
| KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' ':' END
= {
do_entry($1, $3, $5, $7, $9, NONAME);
}
| KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' Protos ':' END
= {
do_entry($1, $3, $5, $7, $9, $11);
}
| error END
| END /* blank line */
;
Addresses: Address
= {
$$ = $1;
}
| Address ',' Addresses
= {
$1->addr_link = $3;
$$ = $1;
}
;
Address : NUMBER '.' NUMBER '.' NUMBER '.' NUMBER
= {
char *a;
$$ = (struct addr *)malloc(sizeof (struct addr));
a = (char *)&($$->addr_val);
a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7;
$$->addr_link = NOADDR;
}
;
Names : NAME
= {
$$ = $1;
}
| NAME ',' Names
= {
$1->name_link = $3;
$$ = $1;
}
;
Cputype : /* empty */
= {
$$ = NONAME;
}
| NAME
= {
$$ = $1;
}
;
Opsys : /* empty */
= {
$$ = NONAME;
}
| NAME
= {
$$ = $1;
}
;
Protos : Proto
= {
$$ = $1;
}
| Proto ',' Protos
= {
$1->name_link = $3;
$$ = $1;
}
;
Proto : NAME
= {
$$ = $1;
}
;
%%
#include <stdio.h>
extern int yylineno;
yyerror(msg)
char *msg;
{
fprintf(stderr, "\"%s\", line %d: %s\n", infile, yylineno, msg);
}