542 lines
15 KiB
C
542 lines
15 KiB
C
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#ifndef lint
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static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
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#endif
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#define YYBYACC 1
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#define YYMAJOR 1
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#define YYMINOR 9
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#define yyclearin (yychar=(-1))
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#define yyerrok (yyerrflag=0)
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#define YYRECOVERING (yyerrflag!=0)
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#define yyparse _nsyyparse
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#define yylex _nsyylex
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#define yyerror _nsyyerror
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#define yychar _nsyychar
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#define yyval _nsyyval
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#define yylval _nsyylval
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#define yydebug _nsyydebug
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#define yynerrs _nsyynerrs
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#define yyerrflag _nsyyerrflag
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#define yyss _nsyyss
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#define yyssp _nsyyssp
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#define yyvs _nsyyvs
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#define yyvsp _nsyyvsp
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#define yylhs _nsyylhs
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#define yylen _nsyylen
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#define yydefred _nsyydefred
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#define yydgoto _nsyydgoto
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#define yysindex _nsyysindex
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#define yyrindex _nsyyrindex
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#define yygindex _nsyygindex
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#define yytable _nsyytable
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#define yycheck _nsyycheck
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#define yyname _nsyyname
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#define yyrule _nsyyrule
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#define YYPREFIX "_nsyy"
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#line 2 "nsparser.y"
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/* $NetBSD: nsparser.y,v 1.3 1999/01/25 00:16:18 lukem Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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static char *rcsid =
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"$FreeBSD: src/lib/libc/net/nsparser.y,v 1.3 2002/03/21 22:47:17 obrien Exp $";
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#endif /* LIBC_SCCS and not lint */
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#define _NS_PRIVATE
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#include <nsswitch.h>
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#include <stdio.h>
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#include <string.h>
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static void _nsaddsrctomap(const char *);
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static ns_dbt curdbt;
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static ns_src cursrc;
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#line 59 "nsparser.y"
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typedef union {
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char *str;
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int mapval;
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} YYSTYPE;
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#line 97 "y.tab.c"
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#define NL 257
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#define SUCCESS 258
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#define UNAVAIL 259
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#define NOTFOUND 260
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#define TRYAGAIN 261
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#define RETURN 262
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#define CONTINUE 263
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#define STRING 264
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#define YYERRCODE 256
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short _nsyylhs[] = { -1,
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0, 0, 3, 3, 4, 4, 4, 4, 5, 6,
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6, 7, 9, 7, 8, 8, 10, 1, 1, 1,
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1, 2, 2,
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};
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short _nsyylen[] = { 2,
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0, 1, 1, 2, 1, 3, 4, 2, 1, 1,
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2, 1, 0, 5, 1, 2, 3, 1, 1, 1,
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1, 1, 1,
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};
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short _nsyydefred[] = { 0,
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0, 5, 9, 0, 0, 3, 0, 8, 4, 0,
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6, 0, 0, 10, 13, 7, 11, 0, 18, 19,
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20, 21, 0, 0, 15, 0, 14, 16, 22, 23,
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17,
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};
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short _nsyydgoto[] = { 4,
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23, 31, 5, 6, 7, 13, 14, 24, 18, 25,
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};
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short _nsyysindex[] = { -255,
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-249, 0, 0, 0, -255, 0, -41, 0, 0, -254,
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0, -73, -253, 0, 0, 0, 0, -245, 0, 0,
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0, 0, -42, -93, 0, -256, 0, 0, 0, 0,
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0,
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};
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short _nsyyrindex[] = { 20,
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0, 0, 0, 0, 21, 0, 0, 0, 0, 0,
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0, -252, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0,
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};
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short _nsyygindex[] = { 0,
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0, 0, 0, 17, 0, 0, 10, 0, 0, 1,
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};
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#define YYTABLESIZE 168
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short _nsyytable[] = { 27,
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1, 2, 11, 16, 12, 29, 30, 8, 3, 12,
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12, 12, 19, 20, 21, 22, 10, 15, 26, 1,
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2, 9, 17, 0, 28, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 19, 20, 21, 22,
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};
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short _nsyycheck[] = { 93,
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256, 257, 257, 257, 257, 262, 263, 257, 264, 264,
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264, 264, 258, 259, 260, 261, 58, 91, 61, 0,
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0, 5, 13, -1, 24, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, 258, 259, 260, 261,
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};
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#define YYFINAL 4
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#ifndef YYDEBUG
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#define YYDEBUG 0
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#endif
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#define YYMAXTOKEN 264
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#if YYDEBUG
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char *_nsyyname[] = {
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"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,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,"'='",0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'['",0,"']'",0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"NL","SUCCESS",
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"UNAVAIL","NOTFOUND","TRYAGAIN","RETURN","CONTINUE","STRING",
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};
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char *_nsyyrule[] = {
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"$accept : File",
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"File :",
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"File : Lines",
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"Lines : Entry",
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"Lines : Lines Entry",
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"Entry : NL",
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"Entry : Database ':' NL",
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"Entry : Database ':' Srclist NL",
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"Entry : error NL",
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"Database : STRING",
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"Srclist : Item",
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"Srclist : Srclist Item",
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"Item : STRING",
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"$$1 :",
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"Item : STRING '[' $$1 Criteria ']'",
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"Criteria : Criterion",
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"Criteria : Criteria Criterion",
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"Criterion : Status '=' Action",
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"Status : SUCCESS",
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"Status : UNAVAIL",
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"Status : NOTFOUND",
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"Status : TRYAGAIN",
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"Action : RETURN",
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"Action : CONTINUE",
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};
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#endif
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#ifdef YYSTACKSIZE
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#undef YYMAXDEPTH
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#define YYMAXDEPTH YYSTACKSIZE
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#else
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#ifdef YYMAXDEPTH
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#define YYSTACKSIZE YYMAXDEPTH
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#else
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#define YYSTACKSIZE 500
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#define YYMAXDEPTH 500
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#endif
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#endif
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int yydebug;
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int yynerrs;
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int yyerrflag;
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int yychar;
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short *yyssp;
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YYSTYPE *yyvsp;
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YYSTYPE yyval;
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YYSTYPE yylval;
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short yyss[YYSTACKSIZE];
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YYSTYPE yyvs[YYSTACKSIZE];
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#define yystacksize YYSTACKSIZE
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#line 150 "nsparser.y"
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static void
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_nsaddsrctomap(elem)
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const char *elem;
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{
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int i, lineno;
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extern int _nsyylineno;
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extern char * _nsyytext;
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lineno = _nsyylineno - (*_nsyytext == '\n' ? 1 : 0);
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if (curdbt.srclistsize > 0) {
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if ((strcasecmp(elem, NSSRC_COMPAT) == 0) ||
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(strcasecmp(curdbt.srclist[0].name, NSSRC_COMPAT) == 0)) {
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/* XXX: syslog the following */
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printf("line %d 'compat' used with other sources",
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lineno);
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return;
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}
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}
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for (i = 0; i < curdbt.srclistsize; i++) {
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if (strcasecmp(curdbt.srclist[i].name, elem) == 0) {
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/* XXX: syslog the following */
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printf("%s line %d: duplicate source '%s'",
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lineno, elem);
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return;
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}
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}
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cursrc.name = elem;
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_nsdbtaddsrc(&curdbt, &cursrc);
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}
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#line 276 "y.tab.c"
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#define YYABORT goto yyabort
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#define YYREJECT goto yyabort
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#define YYACCEPT goto yyaccept
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#define YYERROR goto yyerrlab
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int
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yyparse()
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{
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register int yym, yyn, yystate;
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#if YYDEBUG
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register char *yys;
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extern char *getenv();
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if (yys = getenv("YYDEBUG"))
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{
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yyn = *yys;
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if (yyn >= '0' && yyn <= '9')
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yydebug = yyn - '0';
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}
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#endif
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yynerrs = 0;
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yyerrflag = 0;
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yychar = (-1);
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yyssp = yyss;
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yyvsp = yyvs;
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*yyssp = yystate = 0;
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yyloop:
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if (yyn = yydefred[yystate]) goto yyreduce;
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if (yychar < 0)
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{
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if ((yychar = yylex()) < 0) yychar = 0;
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#if YYDEBUG
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if (yydebug)
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{
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yys = 0;
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if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
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if (!yys) yys = "illegal-symbol";
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printf("%sdebug: state %d, reading %d (%s)\n",
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YYPREFIX, yystate, yychar, yys);
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}
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|
#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);
|
||
|
|
}
|