160 lines
2.7 KiB
Plaintext
Executable File
160 lines
2.7 KiB
Plaintext
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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%{
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#ident "@(#)parse.y 1.2 90/02/03 SMI" /* SVr4.0 1.1 */
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/*
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* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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* PROPRIETARY NOTICE (Combined)
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*
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* This source code is unpublished proprietary information
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* constituting, or derived under license from AT&T's UNIX(r) System V.
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* In addition, portions of such source code were derived from Berkeley
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* 4.3 BSD under license from the Regents of the University of
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* California.
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*
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*
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*
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* Copyright Notice
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*
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* Notice of copyright on this source code product does not indicate
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* publication.
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*
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* (c) 1986,1987,1988.1989 Sun Microsystems, Inc
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* (c) 1983,1984,1985,1986,1987,1988,1989 AT&T.
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* All rights reserved.
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*
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*/
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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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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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