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ulpfr |
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;# -*- Mode: Perl -*- |
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;# waisquery.y -- |
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;# ITIID : $ITI$ $Header $__Header$ |
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;# Author : Ulrich Pfeifer |
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;# Created On : Fri Sep 13 15:54:19 1996 |
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;# Last Modified By: Ulrich Pfeifer |
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;# Last Modified On: Sun Nov 22 18:44:39 1998 |
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;# Language : CPerl |
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;# Update Count : 129 |
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;# Status : Unknown, Use with caution! |
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;# |
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;# Copyright (c) 1996-1997, Ulrich Pfeifer |
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;# |
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package WAIT::Query::Wais; |
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use WAIT::Query::Base; |
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use Carp; |
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use strict; |
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use vars qw($WORD $PHONIX $SOUNDEX $ASSIGN $FLOAT $OR $AND $NOT $PROX_ORDERED |
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$PROX_UNORDERED $PROX_ATLEAST |
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$yylval $yyval $YYTABLESIZE $Table |
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%TOKEN); |
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my %VERBOSE ; |
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no strict 'vars'; |
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$WORD=257; |
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$PHONIX=258; |
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$SOUNDEX=259; |
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$ASSIGN=260; |
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$FLOAT=261; |
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$OR=262; |
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$AND=263; |
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$NOT=264; |
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$PROX_ORDERED=265; |
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$PROX_UNORDERED=266; |
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$PROX_ATLEAST=267; |
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$YYERRCODE=256; |
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@yylhs = ( -1, |
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0, 2, 2, 1, 1, 3, 3, 3, 4, 4, |
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4, 4, 5, 5, 7, 5, 9, 5, 10, 5, |
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11, 5, 12, 5, 13, 13, 8, 8, 14, 14, |
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14, 15, 15, 15, 15, 16, 16, 17, 17, 6, |
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6, |
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); |
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@yylen = ( 2, |
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1, 0, 1, 1, 3, 1, 3, 3, 1, 3, |
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3, 2, 1, 3, 0, 6, 0, 4, 0, 4, |
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0, 4, 0, 7, 1, 1, 1, 3, 1, 3, |
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3, 1, 3, 3, 2, 1, 3, 1, 2, 1, |
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3, |
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); |
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@yydefred = ( 0, |
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0, 25, 26, 0, 0, 0, 0, 0, 6, 0, |
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13, 0, 0, 0, 0, 0, 0, 12, 0, 3, |
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0, 0, 0, 0, 0, 39, 0, 0, 0, 0, |
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0, 0, 14, 0, 7, 8, 10, 11, 41, 0, |
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38, 18, 20, 22, 0, 0, 0, 36, 0, 0, |
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29, 0, 0, 35, 0, 16, 0, 0, 0, 0, |
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0, 0, 37, 0, 30, 31, 33, 34, 24, |
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); |
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@yydgoto = ( 6, |
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7, 21, 8, 9, 10, 11, 28, 49, 29, 15, |
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16, 17, 12, 50, 51, 52, 13, |
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); |
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@yysindex = ( -15, |
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-61, 0, 0, -4, -15, 0, -257, -248, 0, -239, |
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0, -246, -251, 0, -9, -25, -46, 0, -35, 0, |
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-15, -15, -15, -4, -4, 0, -211, 14, -236, -199, |
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-198, -197, 0, -248, 0, 0, 0, 0, 0, -10, |
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0, 0, 0, 0, 18, 53, -10, 0, -34, -230, |
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0, -226, -186, 0, -23, 0, -10, -10, -10, 53, |
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53, -20, 0, -230, 0, 0, 0, 0, 0, |
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); |
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@yyrindex = ( 0, |
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1, 0, 0, 0, 0, 0, 57, 35, 0, 24, |
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0, 0, 12, 60, 0, 0, 0, 0, 42, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 46, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 42, -27, |
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0, -38, 0, 0, 42, 0, 0, 0, 0, 0, |
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0, 0, 0, -21, 0, 0, 0, 0, 0, |
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); |
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@yygindex = ( 0, |
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67, -45, 56, 21, 4, 9, 0, 27, 0, 0, |
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0, 0, 0, 22, -11, -29, 0, |
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); |
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$YYTABLESIZE=324; |
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@yytable = ( 14, |
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38, 32, 32, 57, 20, 33, 56, 18, 27, 57, |
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26, 40, 27, 27, 22, 23, 54, 63, 28, 28, |
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41, 2, 3, 9, 5, 24, 25, 37, 38, 47, |
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67, 68, 58, 59, 4, 5, 31, 42, 60, 61, |
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38, 38, 35, 36, 32, 5, 65, 66, 48, 39, |
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30, 40, 40, 40, 48, 48, 1, 43, 44, 45, |
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19, 53, 21, 9, 9, 48, 48, 48, 48, 48, |
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62, 19, 69, 55, 4, 4, 34, 0, 64, 0, |
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0, 2, 0, 0, 0, 5, 5, 0, 0, 0, |
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0, 23, 47, 0, 0, 0, 2, 0, 0, 15, |
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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, 32, 32, |
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32, 0, 0, 32, 32, 32, 20, 20, 32, 27, |
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27, 27, 0, 0, 27, 28, 28, 28, 20, 27, |
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28, 1, 2, 3, 0, 28, 41, 2, 3, 0, |
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0, 4, 1, 2, 3, 0, 46, 38, 38, 38, |
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38, 0, 38, 38, 38, 38, 38, 38, 40, 40, |
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40, 0, 0, 40, 40, 40, 40, 40, 40, 0, |
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9, 9, 9, 0, 0, 9, 9, 9, 0, 0, |
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9, 4, 4, 4, 0, 0, 4, 0, 2, 2, |
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2, 4, 5, 5, 5, 0, 0, 5, 2, 41, |
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2, 3, 5, 2, 2, 2, 17, 17, 17, 0, |
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0, 0, 0, 2, |
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); |
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@yycheck = ( 61, |
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0, 40, 41, 49, 262, 41, 41, 4, 260, 55, |
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257, 0, 40, 41, 263, 264, 46, 41, 40, 41, |
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257, 258, 259, 0, 40, 265, 266, 24, 25, 40, |
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60, 61, 263, 264, 0, 40, 62, 29, 265, 266, |
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40, 41, 22, 23, 91, 0, 58, 59, 40, 261, |
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60, 40, 41, 40, 46, 47, 0, 257, 257, 257, |
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60, 44, 62, 40, 41, 57, 58, 59, 60, 61, |
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257, 5, 93, 47, 40, 41, 21, -1, 57, -1, |
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-1, 40, -1, -1, -1, 40, 41, -1, -1, -1, |
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-1, 91, 40, -1, -1, -1, 40, -1, -1, 40, |
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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, 257, 258, |
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259, -1, -1, 262, 263, 264, 262, 262, 267, 257, |
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258, 259, -1, -1, 262, 257, 258, 259, 262, 267, |
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262, 257, 258, 259, -1, 267, 257, 258, 259, -1, |
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-1, 267, 257, 258, 259, -1, 267, 257, 258, 259, |
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260, -1, 262, 263, 264, 265, 266, 267, 257, 258, |
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259, -1, -1, 262, 263, 264, 265, 266, 267, -1, |
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257, 258, 259, -1, -1, 262, 263, 264, -1, -1, |
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267, 257, 258, 259, -1, -1, 262, -1, 257, 258, |
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259, 267, 257, 258, 259, -1, -1, 262, 267, 257, |
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258, 259, 267, 257, 258, 259, 257, 258, 259, -1, |
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-1, -1, -1, 267, |
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); |
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$YYFINAL=6; |
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$YYMAXTOKEN=267; |
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sub yyclearin { $yychar = -1; } |
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sub yyerrok { $yyerrflag = 0; } |
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$YYSTACKSIZE = $YYSTACKSIZE || $YYMAXDEPTH || 500; |
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$YYMAXDEPTH = $YYMAXDEPTH || $YYSTACKSIZE || 500; |
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$yyss[$YYSTACKSIZE] = 0; |
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$yyvs[$YYSTACKSIZE] = 0; |
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sub YYERROR { ++$yynerrs; &yy_err_recover; } |
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sub yy_err_recover |
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{ |
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if ($yyerrflag < 3) |
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{ |
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$yyerrflag = 3; |
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while (1) |
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{ |
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if (($yyn = $yysindex[$yyss[$yyssp]]) && |
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($yyn += $YYERRCODE) >= 0 && |
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$yycheck[$yyn] == $YYERRCODE) |
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{ |
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$yyss[++$yyssp] = $yystate = $yytable[$yyn]; |
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$yyvs[++$yyvsp] = $yylval; |
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next yyloop; |
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} |
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else |
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{ |
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return(1) if $yyssp <= 0; |
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--$yyssp; |
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--$yyvsp; |
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} |
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} |
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} |
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else |
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{ |
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return (1) if $yychar == 0; |
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$yychar = -1; |
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next yyloop; |
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} |
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0; |
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} # yy_err_recover |
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sub yyparse |
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{ |
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if ($yys = $ENV{'YYDEBUG'}) |
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{ |
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$yydebug = int($1) if $yys =~ /^(\d)/; |
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} |
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$yynerrs = 0; |
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$yyerrflag = 0; |
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$yychar = (-1); |
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$yyssp = 0; |
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$yyvsp = 0; |
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$yyss[$yyssp] = $yystate = 0; |
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yyloop: while(1) |
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{ |
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yyreduce: { |
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last yyreduce if ($yyn = $yydefred[$yystate]); |
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if ($yychar < 0) |
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{ |
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if (($yychar = &yylex) < 0) { $yychar = 0; } |
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} |
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if (($yyn = $yysindex[$yystate]) && ($yyn += $yychar) >= 0 && |
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$yycheck[$yyn] == $yychar) |
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{ |
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$yyss[++$yyssp] = $yystate = $yytable[$yyn]; |
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$yyvs[++$yyvsp] = $yylval; |
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$yychar = (-1); |
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--$yyerrflag if $yyerrflag > 0; |
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next yyloop; |
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} |
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if (($yyn = $yyrindex[$yystate]) && ($yyn += $yychar) >= 0 && |
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$yycheck[$yyn] == $yychar) |
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{ |
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$yyn = $yytable[$yyn]; |
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last yyreduce; |
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} |
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if (! $yyerrflag) { |
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&yyerror('syntax error'); |
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++$yynerrs; |
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} |
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return(1) if &yy_err_recover; |
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} # yyreduce |
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265 |
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266 |
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267 |
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$yym = $yylen[$yyn]; |
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$yyval = $yyvs[$yyvsp+1-$yym]; |
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switch: |
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{ |
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1; # make perl happy if switch empty (Ulrich Pfeifer) |
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if ($yyn == 5) { |
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{ $yyval = $yyval->merge($yyvs[$yyvsp-0]); |
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last switch; |
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} } |
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if ($yyn == 7) { |
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{$yyval = new WAIT::Query::and $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
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last switch; |
279 |
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} } |
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if ($yyn == 8) { |
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{$yyval = new WAIT::Query::not $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
282 |
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last switch; |
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} } |
284 |
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if ($yyn == 14) { |
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{ $yyval = $yyvs[$yyvsp-1]; |
286 |
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last switch; |
287 |
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} } |
288 |
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if ($yyn == 15) { |
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{enter($yyvs[$yyvsp-1]); |
290 |
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last switch; |
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} } |
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if ($yyn == 16) { |
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{leave($yyvs[$yyvsp-5]); $yyval = $yyvs[$yyvsp-1]; |
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last switch; |
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} } |
296 |
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if ($yyn == 17) { |
297 |
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{enter($yyvs[$yyvsp-1]); |
298 |
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last switch; |
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} } |
300 |
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if ($yyn == 18) { |
301 |
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{leave($yyvs[$yyvsp-3]); $yyval = $yyvs[$yyvsp-0]; |
302 |
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last switch; |
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} } |
304 |
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if ($yyn == 19) { |
305 |
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{enter($yyvs[$yyvsp-0]); |
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last switch; |
307 |
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} } |
308 |
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if ($yyn == 20) { |
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{$yyval = intervall(undef, $yyvs[$yyvsp-0]); leave($yyvs[$yyvsp-3]); |
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last switch; |
311 |
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} } |
312 |
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if ($yyn == 21) { |
313 |
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{enter($yyvs[$yyvsp-0]); |
314 |
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last switch; |
315 |
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} } |
316 |
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if ($yyn == 22) { |
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{$yyval = intervall($yyvs[$yyvsp-0], undef); leave($yyvs[$yyvsp-3]); |
318 |
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last switch; |
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} } |
320 |
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if ($yyn == 23) { |
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{enter($yyvs[$yyvsp-0]); |
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last switch; |
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} } |
324 |
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if ($yyn == 24) { |
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{$yyval = intervall($yyvs[$yyvsp-3], $yyvs[$yyvsp-1]); leave($yyvs[$yyvsp-6]); |
326 |
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last switch; |
327 |
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} } |
328 |
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if ($yyn == 28) { |
329 |
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{ $yyval = $yyval->merge($yyvs[$yyvsp-0]); |
330 |
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last switch; |
331 |
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} } |
332 |
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if ($yyn == 30) { |
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{$yyval = new WAIT::Query::and $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
334 |
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last switch; |
335 |
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} } |
336 |
|
|
if ($yyn == 31) { |
337 |
|
|
{$yyval = new WAIT::Query::not $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
338 |
|
|
last switch; |
339 |
|
|
} } |
340 |
|
|
if ($yyn == 37) { |
341 |
|
|
{ $yyval = $yyvs[$yyvsp-1]; |
342 |
|
|
last switch; |
343 |
|
|
} } |
344 |
|
|
if ($yyn == 38) { |
345 |
|
|
{ $yyval = plain($yyvs[$yyvsp-0]); |
346 |
|
|
last switch; |
347 |
|
|
} } |
348 |
|
|
if ($yyn == 39) { |
349 |
|
|
{ $yyval = plain($yyvs[$yyvsp-0]); |
350 |
|
|
last switch; |
351 |
|
|
} } |
352 |
|
|
} # switch |
353 |
|
|
$yyssp -= $yym; |
354 |
|
|
$yystate = $yyss[$yyssp]; |
355 |
|
|
$yyvsp -= $yym; |
356 |
|
|
$yym = $yylhs[$yyn]; |
357 |
|
|
if ($yystate == 0 && $yym == 0) |
358 |
|
|
{ |
359 |
|
|
|
360 |
|
|
|
361 |
|
|
|
362 |
|
|
|
363 |
|
|
$yystate = $YYFINAL; |
364 |
|
|
$yyss[++$yyssp] = $YYFINAL; |
365 |
|
|
$yyvs[++$yyvsp] = $yyval; |
366 |
|
|
if ($yychar < 0) |
367 |
|
|
{ |
368 |
|
|
if (($yychar = &yylex) < 0) { $yychar = 0; } |
369 |
|
|
|
370 |
|
|
} |
371 |
|
|
return(0) if $yychar == 0; |
372 |
|
|
next yyloop; |
373 |
|
|
} |
374 |
|
|
if (($yyn = $yygindex[$yym]) && ($yyn += $yystate) >= 0 && |
375 |
|
|
$yyn <= $#yycheck && $yycheck[$yyn] == $yystate) |
376 |
|
|
{ |
377 |
|
|
$yystate = $yytable[$yyn]; |
378 |
|
|
} else { |
379 |
|
|
$yystate = $yydgoto[$yym]; |
380 |
|
|
} |
381 |
|
|
|
382 |
|
|
|
383 |
|
|
|
384 |
|
|
|
385 |
|
|
$yyss[++$yyssp] = $yystate; |
386 |
|
|
$yyvs[++$yyvsp] = $yyval; |
387 |
|
|
} # yyloop |
388 |
|
|
} # yyparse |
389 |
|
|
use strict; |
390 |
|
|
sub yyerror { |
391 |
|
|
print "yyeror: @_ $.\n"; |
392 |
|
|
} |
393 |
|
|
|
394 |
|
|
for (qw(and or not phonix soundex)) { |
395 |
|
|
my $e = sprintf '$WAIT::Query::Wais::TOKEN{$_} = $%s', uc($_); |
396 |
|
|
eval $e; |
397 |
|
|
die $@ if $@ ne ''; |
398 |
|
|
$VERBOSE{$TOKEN{$_}} = $_; |
399 |
|
|
} |
400 |
|
|
$VERBOSE{$WORD} = 'WORD'; |
401 |
|
|
my $KEY = join('|', keys %TOKEN); |
402 |
|
|
|
403 |
|
|
my $line; |
404 |
|
|
|
405 |
|
|
sub yylex1 { |
406 |
|
|
print "=>$line\n"; |
407 |
|
|
my $token = yylex1(); |
408 |
|
|
my $verbose; |
409 |
|
|
my $val = (defined $yylval)?",$yylval":''; |
410 |
|
|
if ($token < 256) { |
411 |
|
|
$verbose = "'".chr($token)."'"; |
412 |
|
|
} else { |
413 |
|
|
$verbose = $VERBOSE{$token}; |
414 |
|
|
} |
415 |
|
|
print "yylex($token=$verbose$val)\n"; |
416 |
|
|
return $token; |
417 |
|
|
} |
418 |
|
|
|
419 |
|
|
my $Intervall = 0; |
420 |
|
|
sub yylex { |
421 |
|
|
$yylval = undef; |
422 |
|
|
$line =~ s:^\s+::; |
423 |
|
|
if ($line =~ s:^($KEY)\b::io) { |
424 |
|
|
return $TOKEN{$1} |
425 |
|
|
} elsif ($line =~ s/^(\w+)\s*==?/=/io) { |
426 |
|
|
$yylval = $1; |
427 |
|
|
return $WORD; |
428 |
|
|
} elsif ($line =~ s:^([=()<>])::) { |
429 |
|
|
return ord($1); |
430 |
|
|
} elsif ($Intervall and $line =~ s:^,::) { |
431 |
|
|
return ord(','); |
432 |
|
|
} elsif ($line =~ s:^\[::) { |
433 |
|
|
$Intervall = 1; |
434 |
|
|
return ord('['); |
435 |
|
|
} elsif ($line =~ s:^\]::) { |
436 |
|
|
$Intervall = 0; |
437 |
|
|
return ord(']'); |
438 |
|
|
} elsif ($Intervall and $line =~ s:^([^,\]]+)::) { |
439 |
|
|
$yylval = $1; |
440 |
|
|
return $WORD; |
441 |
|
|
} elsif ($line =~ s:^([^=\[<>()\n\r\t ]+)::) { |
442 |
|
|
$yylval = $1; |
443 |
|
|
return $WORD; |
444 |
|
|
} |
445 |
|
|
return 0; |
446 |
|
|
} |
447 |
|
|
|
448 |
|
|
my @FLD; |
449 |
|
|
|
450 |
|
|
use vars qw(%FLD); |
451 |
|
|
|
452 |
|
|
sub fields { |
453 |
|
|
if (ref $FLD[-1]) { |
454 |
|
|
@{$FLD[-1]} |
455 |
|
|
} else { |
456 |
|
|
$FLD[-1]; |
457 |
|
|
} |
458 |
|
|
} |
459 |
|
|
|
460 |
|
|
|
461 |
|
|
sub enter { |
462 |
|
|
my $field = shift; |
463 |
|
|
|
464 |
|
|
if ($FLD{$field}) { |
465 |
|
|
push @FLD, $FLD{$field}; |
466 |
|
|
} else { |
467 |
|
|
croak "Unknown field name: $field"; |
468 |
|
|
} |
469 |
|
|
} |
470 |
|
|
|
471 |
|
|
sub leave { |
472 |
|
|
pop @FLD; |
473 |
|
|
} |
474 |
|
|
|
475 |
|
|
sub plain { |
476 |
|
|
my $word = shift; |
477 |
|
|
|
478 |
|
|
if ($word =~ s:\*$::) { |
479 |
|
|
prefix($word); |
480 |
|
|
} else { |
481 |
|
|
new WAIT::Query::Base $Table, $FLD[-1], Plain => $word; |
482 |
|
|
} |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
sub prefix { |
486 |
|
|
my $word = shift; |
487 |
|
|
my ($ff, @fld) = fields(); |
488 |
|
|
my $raw = $Table->prefix($ff, $word); |
489 |
|
|
for $ff (@fld) { |
490 |
|
|
my $new = $Table->prefix($ff, $word); |
491 |
|
|
$raw->merge($new); |
492 |
|
|
} |
493 |
|
|
new WAIT::Query::Base ($Table, $FLD[-1], Raw => $raw); |
494 |
|
|
} |
495 |
|
|
|
496 |
|
|
sub intervall { |
497 |
|
|
my ($left, $right) = @_; |
498 |
|
|
my ($ff, @fld) = fields(); |
499 |
|
|
my $raw = $Table->intervall($ff, $left, $right); |
500 |
|
|
for $ff (@fld) { |
501 |
|
|
my $new = $Table->intervall($ff, $left, $right); |
502 |
|
|
$raw->merge($new); |
503 |
|
|
} |
504 |
|
|
new WAIT::Query::Base ($Table, $FLD[-1], Raw => $raw); |
505 |
|
|
} |
506 |
|
|
|
507 |
|
|
use Text::Abbrev; |
508 |
|
|
sub query { |
509 |
|
|
local($Table) = shift; |
510 |
|
|
$line = shift; |
511 |
|
|
|
512 |
|
|
my @fields = $Table->fields; |
513 |
|
|
|
514 |
|
|
@FLD = (\@fields); # %FLD = abbrev(@fields); # patched Text::Abbrev |
515 |
|
|
abbrev(*FLD,@fields); |
516 |
|
|
yyparse(); |
517 |
|
|
$yyval; |
518 |
|
|
} |
519 |
|
|
|
520 |
|
|
1; |