nsparser.c

Newlib 嵌入式 C库 标准实现代码

#ifndef lint
static char yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93";
#endif
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define yyclearin (yychar=(-1))
#define yyerrok (yyerrflag=0)
#define YYRECOVERING (yyerrflag!=0)
#define yyparse _nsyyparse
#define yylex _nsyylex
#define yyerror _nsyyerror
#define yychar _nsyychar
#define yyval _nsyyval
#define yylval _nsyylval
#define yydebug _nsyydebug
#define yynerrs _nsyynerrs
#define yyerrflag _nsyyerrflag
#define yyss _nsyyss
#define yyssp _nsyyssp
#define yyvs _nsyyvs
#define yyvsp _nsyyvsp
#define yylhs _nsyylhs
#define yylen _nsyylen
#define yydefred _nsyydefred
#define yydgoto _nsyydgoto
#define yysindex _nsyysindex
#define yyrindex _nsyyrindex
#define yygindex _nsyygindex
#define yytable _nsyytable
#define yycheck _nsyycheck
#define yyname _nsyyname
#define yyrule _nsyyrule
#define YYPREFIX "_nsyy"
#line 2 "nsparser.y"
/*	$NetBSD: nsparser.y,v 1.3 1999/01/25 00:16:18 lukem Exp $	*/

/*-
 * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Luke Mewburn.
 *
 * 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 NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid =
  "$FreeBSD: src/lib/libc/net/nsparser.y,v 1.3 2002/03/21 22:47:17 obrien Exp $";
#endif /* LIBC_SCCS and not lint */

#define _NS_PRIVATE
#include <nsswitch.h>
#include <stdio.h>
#include <string.h>


static	void	_nsaddsrctomap(const char *);

static	ns_dbt		curdbt;
static	ns_src		cursrc;
#line 59 "nsparser.y"
typedef union {
	char *str;
	int   mapval;
} YYSTYPE;
#line 97 "y.tab.c"
#define NL 257
#define SUCCESS 258
#define UNAVAIL 259
#define NOTFOUND 260
#define TRYAGAIN 261
#define RETURN 262
#define CONTINUE 263
#define STRING 264
#define YYERRCODE 256
short _nsyylhs[] = {                                        -1,
    0,    0,    3,    3,    4,    4,    4,    4,    5,    6,
    6,    7,    9,    7,    8,    8,   10,    1,    1,    1,
    1,    2,    2,
};
short _nsyylen[] = {                                         2,
    0,    1,    1,    2,    1,    3,    4,    2,    1,    1,
    2,    1,    0,    5,    1,    2,    3,    1,    1,    1,
    1,    1,    1,
};
short _nsyydefred[] = {                                      0,
    0,    5,    9,    0,    0,    3,    0,    8,    4,    0,
    6,    0,    0,   10,   13,    7,   11,    0,   18,   19,
   20,   21,    0,    0,   15,    0,   14,   16,   22,   23,
   17,
};
short _nsyydgoto[] = {                                       4,
   23,   31,    5,    6,    7,   13,   14,   24,   18,   25,
};
short _nsyysindex[] = {                                   -255,
 -249,    0,    0,    0, -255,    0,  -41,    0,    0, -254,
    0,  -73, -253,    0,    0,    0,    0, -245,    0,    0,
    0,    0,  -42,  -93,    0, -256,    0,    0,    0,    0,
    0,
};
short _nsyyrindex[] = {                                     20,
    0,    0,    0,    0,   21,    0,    0,    0,    0,    0,
    0, -252,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,
};
short _nsyygindex[] = {                                      0,
    0,    0,    0,   17,    0,    0,   10,    0,    0,    1,
};
#define YYTABLESIZE 168
short _nsyytable[] = {                                      27,
    1,    2,   11,   16,   12,   29,   30,    8,    3,   12,
   12,   12,   19,   20,   21,   22,   10,   15,   26,    1,
    2,    9,   17,    0,   28,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,   19,   20,   21,   22,
};
short _nsyycheck[] = {                                      93,
  256,  257,  257,  257,  257,  262,  263,  257,  264,  264,
  264,  264,  258,  259,  260,  261,   58,   91,   61,    0,
    0,    5,   13,   -1,   24,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,  258,  259,  260,  261,
};
#define YYFINAL 4
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 264
#if YYDEBUG
char *_nsyyname[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,"'='",0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'['",0,"']'",0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"NL","SUCCESS",
"UNAVAIL","NOTFOUND","TRYAGAIN","RETURN","CONTINUE","STRING",
};
char *_nsyyrule[] = {
"$accept : File",
"File :",
"File : Lines",
"Lines : Entry",
"Lines : Lines Entry",
"Entry : NL",
"Entry : Database ':' NL",
"Entry : Database ':' Srclist NL",
"Entry : error NL",
"Database : STRING",
"Srclist : Item",
"Srclist : Srclist Item",
"Item : STRING",
"$$1 :",
"Item : STRING '[' $$1 Criteria ']'",
"Criteria : Criterion",
"Criteria : Criteria Criterion",
"Criterion : Status '=' Action",
"Status : SUCCESS",
"Status : UNAVAIL",
"Status : NOTFOUND",
"Status : TRYAGAIN",
"Action : RETURN",
"Action : CONTINUE",
};
#endif
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short yyss[YYSTACKSIZE];
YYSTYPE yyvs[YYSTACKSIZE];
#define yystacksize YYSTACKSIZE
#line 150 "nsparser.y"

static void
_nsaddsrctomap(elem)
	const char *elem;
{
	int		i, lineno;
	extern int	_nsyylineno;
	extern char *	_nsyytext;

	lineno = _nsyylineno - (*_nsyytext == '\n' ? 1 : 0);
	if (curdbt.srclistsize > 0) {
		if ((strcasecmp(elem, NSSRC_COMPAT) == 0) ||
		    (strcasecmp(curdbt.srclist[0].name, NSSRC_COMPAT) == 0)) {
				/* XXX: syslog the following */
			printf("line %d 'compat' used with other sources",
			    lineno);
			return;
		}
	}
	for (i = 0; i < curdbt.srclistsize; i++) {
		if (strcasecmp(curdbt.srclist[i].name, elem) == 0) {
				/* XXX: syslog the following */
			printf("%s line %d: duplicate source '%s'",
			    lineno, elem);
			return;
		}
	}
	cursrc.name = elem;