174 lines
3.8 KiB
Plaintext
174 lines
3.8 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.
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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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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "from: @(#)parse.y 5.5 (Berkeley) 6/1/90";
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#else
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__RCSID("$NetBSD: parse.y,v 1.4 1997/10/17 08:00:49 lukem Exp $");
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#endif
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#endif /* not lint */
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#include <stdlib.h>
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#include "htable.h"
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%}
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%union {
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int number;
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struct addr *addrlist;
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struct name *namelist;
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}
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%start Table
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%token END
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%token <number> NUMBER KEYWORD
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%token <namelist> NAME
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%type <namelist> Names Cputype Opsys Protos Proto
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%type <addrlist> Addresses Address
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%%
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Table : Entry
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| Table Entry
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;
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Entry : KEYWORD ':' Addresses ':' Names ':' END
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= {
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do_entry($1, $3, $5, NONAME, NONAME, NONAME);
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}
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| KEYWORD ':' Addresses ':' Names ':' Cputype ':' END
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= {
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do_entry($1, $3, $5, $7, NONAME, NONAME);
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}
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| KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' END
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= {
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do_entry($1, $3, $5, $7, $9, NONAME);
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}
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| KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' ':' END
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= {
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do_entry($1, $3, $5, $7, $9, NONAME);
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}
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| KEYWORD ':' Addresses ':' Names ':' Cputype ':' Opsys ':' Protos ':' END
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= {
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do_entry($1, $3, $5, $7, $9, $11);
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}
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| error END
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| END /* blank line */
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;
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Addresses: Address
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= {
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$$ = $1;
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}
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| Address ',' Addresses
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= {
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$1->addr_link = $3;
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$$ = $1;
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}
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;
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Address : NUMBER '.' NUMBER '.' NUMBER '.' NUMBER
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= {
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char *a;
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$$ = (struct addr *)malloc(sizeof (struct addr));
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a = (char *)&($$->addr_val);
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a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7;
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$$->addr_link = NOADDR;
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}
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;
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Names : NAME
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= {
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$$ = $1;
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}
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| NAME ',' Names
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= {
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$1->name_link = $3;
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$$ = $1;
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}
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;
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Cputype : /* empty */
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= {
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$$ = NONAME;
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}
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| NAME
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= {
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$$ = $1;
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}
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;
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Opsys : /* empty */
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= {
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$$ = NONAME;
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}
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| NAME
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= {
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$$ = $1;
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}
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;
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Protos : Proto
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= {
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$$ = $1;
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}
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| Proto ',' Protos
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= {
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$1->name_link = $3;
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$$ = $1;
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}
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;
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Proto : NAME
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= {
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$$ = $1;
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}
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;
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%%
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#include <stdio.h>
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extern int yylineno;
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void yyerror __P((char *));
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void
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yyerror(msg)
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char *msg;
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{
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fprintf(stderr, "\"%s\", line %d: %s\n", infile, yylineno, msg);
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}
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