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newlib-cygwin/newlib/libc/sys/linux/net/nsparser.c

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#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;
_nsdbtaddsrc(&curdbt, &cursrc);
}
#line 276 "y.tab.c"
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
yyparse()
{
register int yym, yyn, yystate;
#if YYDEBUG
register char *yys;
extern char *getenv();
if (yys = getenv("YYDEBUG"))
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = (-1);
yyssp = yyss;
yyvsp = yyvs;
*yyssp = yystate = 0;
yyloop:
if (yyn = yydefred[yystate]) goto yyreduce;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
}
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, shifting to state %d\n",
YYPREFIX, yystate, yytable[yyn]);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
yychar = (-1);
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag) goto yyinrecovery;
#ifdef lint
goto yynewerror;
#endif
yynewerror:
yyerror("syntax error");
#ifdef lint
goto yyerrlab;
#endif
yyerrlab:
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, error recovery shifting\
to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
goto yyoverflow;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: error recovery discarding state %d\n",
YYPREFIX, *yyssp);
#endif
if (yyssp <= yyss) goto yyabort;
--yyssp;
--yyvsp;
}
}
}
else
{
if (yychar == 0) goto yyabort;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
YYPREFIX, yystate, yychar, yys);
}
#endif
yychar = (-1);
goto yyloop;
}
yyreduce:
#if YYDEBUG
if (yydebug)
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
YYPREFIX, yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
yyval = yyvsp[1-yym];
switch (yyn)
{
case 7:
#line 87 "nsparser.y"
{
_nsdbtput(&curdbt);
}
break;
case 8:
#line 91 "nsparser.y"
{
yyerrok;
}
break;
case 9:
#line 98 "nsparser.y"
{
curdbt.name = yylval.str;
curdbt.srclist = NULL;
curdbt.srclistsize = 0;
}
break;
case 12:
#line 112 "nsparser.y"
{
cursrc.flags = NS_SUCCESS;
_nsaddsrctomap(yyvsp[0].str);
}
break;
case 13:
#line 116 "nsparser.y"
{ cursrc.flags = NS_SUCCESS; }
break;
case 14:
#line 117 "nsparser.y"
{
_nsaddsrctomap(yyvsp[-4].str);
}
break;
case 17:
#line 129 "nsparser.y"
{
if (yyvsp[0].mapval) /* if action == RETURN set RETURN bit */
cursrc.flags |= yyvsp[-2].mapval;
else /* else unset it */
cursrc.flags &= ~yyvsp[-2].mapval;
}
break;
case 18:
#line 138 "nsparser.y"
{ yyval.mapval = NS_SUCCESS; }
break;
case 19:
#line 139 "nsparser.y"
{ yyval.mapval = NS_UNAVAIL; }
break;
case 20:
#line 140 "nsparser.y"
{ yyval.mapval = NS_NOTFOUND; }
break;
case 21:
#line 141 "nsparser.y"
{ yyval.mapval = NS_TRYAGAIN; }
break;
case 22:
#line 145 "nsparser.y"
{ yyval.mapval = 1L; }
break;
case 23:
#line 146 "nsparser.y"
{ yyval.mapval = 0L; }
break;
#line 487 "y.tab.c"
}
yyssp -= yym;
yystate = *yyssp;
yyvsp -= yym;
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state 0 to\
state %d\n", YYPREFIX, YYFINAL);
#endif
yystate = YYFINAL;
*++yyssp = YYFINAL;
*++yyvsp = yyval;
if (yychar < 0)
{
if ((yychar = yylex()) < 0) yychar = 0;
#if YYDEBUG
if (yydebug)
{
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
printf("%sdebug: state %d, reading %d (%s)\n",
YYPREFIX, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == 0) goto yyaccept;
goto yyloop;
}
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
printf("%sdebug: after reduction, shifting from state %d \
to state %d\n", YYPREFIX, *yyssp, yystate);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
goto yyoverflow;
}
*++yyssp = yystate;
*++yyvsp = yyval;
goto yyloop;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
return (1);
yyaccept:
return (0);
}
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