/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Nuxeo - initial API and implementation
*
*
* $Id$
*/
package org.eclipse.ecr.core.query.sql.parser;
import java_cup.runtime.*;
import org.eclipse.ecr.core.query.*;
/**
* Lexer for NXQL
*/
public class Scanner implements java_cup.runtime.Scanner {
/** This character denotes the end of file */
public static final int YYEOF = -1;
/** initial size of the lookahead buffer */
private static final int ZZ_BUFFERSIZE = 16384;
/** lexical states */
public static final int STRING = 4;
public static final int YYINITIAL = 0;
public static final int SQ_STRING = 2;
/**
* ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
* ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
* at the beginning of a line
* l is of the form l = 2*k, k a non negative integer
*/
private static final int ZZ_LEXSTATE[] = {
0, 0, 1, 1, 2, 2
};
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED =
"\11\0\1\3\1\2\1\0\1\3\1\1\22\0\1\61\1\74\1\102"+
"\1\0\1\4\2\0\1\103\1\77\1\100\1\72\1\14\1\101\1\15"+
"\1\7\1\10\1\11\11\12\1\5\1\0\1\75\1\73\1\76\2\0"+
"\1\43\1\57\1\21\1\47\1\17\1\27\1\66\1\40\1\51\1\6"+
"\1\55\1\20\1\32\1\45\1\31\1\64\1\6\1\30\1\16\1\22"+
"\1\53\1\70\1\37\1\6\1\62\1\6\1\0\1\104\2\0\1\6"+
"\1\0\1\44\1\60\1\24\1\50\1\13\1\36\1\67\1\41\1\52"+
"\1\6\1\56\1\23\1\35\1\46\1\34\1\65\1\6\1\33\1\26"+
"\1\25\1\54\1\71\1\42\1\6\1\63\1\6\47\0\4\4\4\0"+
"\1\4\12\0\1\4\4\0\1\4\5\0\27\4\1\0\37\4\1\0"+
"\u013f\4\31\0\162\4\4\0\14\4\16\0\5\4\11\0\1\4\213\0"+
"\1\4\13\0\1\4\1\0\3\4\1\0\1\4\1\0\24\4\1\0"+
"\54\4\1\0\46\4\1\0\5\4\4\0\202\4\10\0\105\4\1\0"+
"\46\4\2\0\2\4\6\0\20\4\41\0\46\4\2\0\1\4\7\0"+
"\47\4\110\0\33\4\5\0\3\4\56\0\32\4\5\0\13\4\43\0"+
"\2\4\1\0\143\4\1\0\1\4\17\0\2\4\7\0\2\4\12\0"+
"\3\4\2\0\1\4\20\0\1\4\1\0\36\4\35\0\3\4\60\0"+
"\46\4\13\0\1\4\u0152\0\66\4\3\0\1\4\22\0\1\4\7\0"+
"\12\4\43\0\10\4\2\0\2\4\2\0\26\4\1\0\7\4\1\0"+
"\1\4\3\0\4\4\3\0\1\4\36\0\2\4\1\0\3\4\16\0"+
"\4\4\21\0\6\4\4\0\2\4\2\0\26\4\1\0\7\4\1\0"+
"\2\4\1\0\2\4\1\0\2\4\37\0\4\4\1\0\1\4\23\0"+
"\3\4\20\0\11\4\1\0\3\4\1\0\26\4\1\0\7\4\1\0"+
"\2\4\1\0\5\4\3\0\1\4\22\0\1\4\17\0\2\4\17\0"+
"\1\4\23\0\10\4\2\0\2\4\2\0\26\4\1\0\7\4\1\0"+
"\2\4\1\0\5\4\3\0\1\4\36\0\2\4\1\0\3\4\17\0"+
"\1\4\21\0\1\4\1\0\6\4\3\0\3\4\1\0\4\4\3\0"+
"\2\4\1\0\1\4\1\0\2\4\3\0\2\4\3\0\3\4\3\0"+
"\10\4\1\0\3\4\77\0\1\4\13\0\10\4\1\0\3\4\1\0"+
"\27\4\1\0\12\4\1\0\5\4\46\0\2\4\43\0\10\4\1\0"+
"\3\4\1\0\27\4\1\0\12\4\1\0\5\4\3\0\1\4\40\0"+
"\1\4\1\0\2\4\43\0\10\4\1\0\3\4\1\0\27\4\1\0"+
"\20\4\46\0\2\4\43\0\22\4\3\0\30\4\1\0\11\4\1\0"+
"\1\4\2\0\7\4\72\0\60\4\1\0\2\4\13\0\10\4\72\0"+
"\2\4\1\0\1\4\2\0\2\4\1\0\1\4\2\0\1\4\6\0"+
"\4\4\1\0\7\4\1\0\3\4\1\0\1\4\1\0\1\4\2\0"+
"\2\4\1\0\4\4\1\0\2\4\11\0\1\4\2\0\5\4\1\0"+
"\1\4\25\0\2\4\42\0\1\4\77\0\10\4\1\0\42\4\35\0"+
"\4\4\164\0\42\4\1\0\5\4\1\0\2\4\45\0\6\4\112\0"+
"\46\4\12\0\51\4\7\0\132\4\5\0\104\4\5\0\122\4\6\0"+
"\7\4\1\0\77\4\1\0\1\4\1\0\4\4\2\0\7\4\1\0"+
"\1\4\1\0\4\4\2\0\47\4\1\0\1\4\1\0\4\4\2\0"+
"\37\4\1\0\1\4\1\0\4\4\2\0\7\4\1\0\1\4\1\0"+
"\4\4\2\0\7\4\1\0\7\4\1\0\27\4\1\0\37\4\1\0"+
"\1\4\1\0\4\4\2\0\7\4\1\0\47\4\1\0\23\4\105\0"+
"\125\4\14\0\u026c\4\2\0\10\4\12\0\32\4\5\0\113\4\3\0"+
"\3\4\17\0\15\4\1\0\4\4\16\0\22\4\16\0\22\4\16\0"+
"\15\4\1\0\3\4\17\0\64\4\43\0\1\4\3\0\2\4\103\0"+
"\130\4\10\0\51\4\127\0\35\4\63\0\36\4\2\0\5\4\u038b\0"+
"\154\4\224\0\234\4\4\0\132\4\6\0\26\4\2\0\6\4\2\0"+
"\46\4\2\0\6\4\2\0\10\4\1\0\1\4\1\0\1\4\1\0"+
"\1\4\1\0\37\4\2\0\65\4\1\0\7\4\1\0\1\4\3\0"+
"\3\4\1\0\7\4\3\0\4\4\2\0\6\4\4\0\15\4\5\0"+
"\3\4\1\0\7\4\102\0\2\4\23\0\1\4\34\0\1\4\15\0"+
"\1\4\40\0\22\4\120\0\1\4\4\0\1\4\2\0\12\4\1\0"+
"\1\4\3\0\5\4\6\0\1\4\1\0\1\4\1\0\1\4\1\0"+
"\4\4\1\0\3\4\1\0\7\4\3\0\3\4\5\0\5\4\26\0"+
"\44\4\u0e81\0\3\4\31\0\11\4\7\0\5\4\2\0\5\4\4\0"+
"\126\4\6\0\3\4\1\0\137\4\5\0\50\4\4\0\136\4\21\0"+
"\30\4\70\0\20\4\u0200\0\u19b6\4\112\0\u51a6\4\132\0\u048d\4\u0773\0"+
"\u2ba4\4\u215c\0\u012e\4\2\0\73\4\225\0\7\4\14\0\5\4\5\0"+
"\1\4\1\0\12\4\1\0\15\4\1\0\5\4\1\0\1\4\1\0"+
"\2\4\1\0\2\4\1\0\154\4\41\0\u016b\4\22\0\100\4\2\0"+
"\66\4\50\0\15\4\66\0\2\4\30\0\3\4\31\0\1\4\6\0"+
"\5\4\1\0\207\4\7\0\1\4\34\0\32\4\4\0\1\4\1\0"+
"\32\4\12\0\132\4\3\0\6\4\2\0\6\4\2\0\6\4\2\0"+
"\3\4\3\0\2\4\3\0\2\4\31\0";
/**
* Translates characters to character classes
*/
private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);
/**
* Translates DFA states to action switch labels.
*/
private static final int [] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\3\0\1\1\2\2\1\3\1\1\1\4\2\5\1\6"+
"\1\7\32\3\1\10\1\11\1\1\1\12\1\13\1\14"+
"\1\15\1\16\1\17\1\20\1\21\1\22\1\23\1\21"+
"\1\24\1\23\1\3\1\0\2\25\1\0\21\3\2\26"+
"\1\3\1\26\4\3\1\27\2\3\1\27\14\3\1\30"+
"\1\3\1\31\6\3\1\32\1\33\1\34\1\35\1\36"+
"\1\37\1\40\1\41\1\42\1\43\1\25\1\0\33\3"+
"\1\44\1\45\1\46\1\47\17\3\1\42\7\3\1\50"+
"\3\3\1\51\2\3\1\52\11\3\1\53\1\54\1\55"+
"\17\3\1\56\10\3\1\57\4\3\1\60\5\3\1\61"+
"\7\3\1\62\3\0\1\63\4\3\3\0\6\3\2\0"+
"\2\3\1\64\2\0\2\3\1\65\2\3\1\66\1\67"+
"\1\70\2\3\1\71\1\72";
private static int [] zzUnpackAction() {
int [] result = new int[276];
int offset = 0;
offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAction(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/**
* Translates a state to a row index in the transition table
*/
private static final int [] ZZ_ROWMAP = zzUnpackRowMap();
private static final String ZZ_ROWMAP_PACKED_0 =
"\0\0\0\105\0\212\0\317\0\u0114\0\317\0\u0159\0\u019e"+
"\0\317\0\u01e3\0\u0228\0\317\0\317\0\u026d\0\u02b2\0\u02f7"+
"\0\u033c\0\u0381\0\u03c6\0\u040b\0\u0450\0\u0495\0\u04da\0\u051f"+
"\0\u0564\0\u05a9\0\u05ee\0\u0633\0\u0678\0\u06bd\0\u0702\0\u0747"+
"\0\u078c\0\u07d1\0\u0816\0\u085b\0\u08a0\0\u08e5\0\u092a\0\317"+
"\0\317\0\u096f\0\u09b4\0\u09f9\0\317\0\317\0\317\0\317"+
"\0\317\0\u0a3e\0\317\0\u0a83\0\u0ac8\0\317\0\u0b0d\0\u0b52"+
"\0\u0b97\0\u0bdc\0\u01e3\0\u0c21\0\u0c66\0\u0cab\0\u0cf0\0\u0d35"+
"\0\u0d7a\0\u0dbf\0\u0e04\0\u0e49\0\u0e8e\0\u0ed3\0\u0f18\0\u0f5d"+
"\0\u0fa2\0\u0fe7\0\u102c\0\u1071\0\u10b6\0\u10fb\0\u1140\0\u1185"+
"\0\u11ca\0\u120f\0\u1254\0\u1299\0\u12de\0\u1323\0\u1368\0\u13ad"+
"\0\u13f2\0\u1437\0\u147c\0\u14c1\0\u1506\0\u154b\0\u1590\0\u15d5"+
"\0\u161a\0\u165f\0\u16a4\0\u16e9\0\u172e\0\u0159\0\u1773\0\u0159"+
"\0\u17b8\0\u17fd\0\u1842\0\u1887\0\u18cc\0\u1911\0\317\0\317"+
"\0\317\0\317\0\317\0\317\0\317\0\317\0\u1956\0\u199b"+
"\0\u19e0\0\u19e0\0\u1a25\0\u1a6a\0\u1aaf\0\u1af4\0\u1b39\0\u1b7e"+
"\0\u1bc3\0\u1c08\0\u1c4d\0\u1c92\0\u1cd7\0\u1d1c\0\u1d61\0\u1da6"+
"\0\u1deb\0\u1e30\0\u1e75\0\u1eba\0\u1eff\0\u1f44\0\u1f89\0\u1fce"+
"\0\u2013\0\u2058\0\u209d\0\u20e2\0\u2127\0\u0159\0\u0159\0\u0159"+
"\0\u0159\0\u216c\0\u21b1\0\u21f6\0\u223b\0\u2280\0\u22c5\0\u230a"+
"\0\u234f\0\u2394\0\u23d9\0\u241e\0\u2463\0\u24a8\0\u24ed\0\u2532"+
"\0\u2577\0\u25bc\0\u2601\0\u2646\0\u268b\0\u26d0\0\u2715\0\u275a"+
"\0\u0159\0\u279f\0\u27e4\0\u2829\0\u0159\0\u286e\0\u28b3\0\u0159"+
"\0\u28f8\0\u293d\0\u2982\0\u29c7\0\u2a0c\0\u2a51\0\u2a96\0\u2adb"+
"\0\u2b20\0\u0159\0\u0159\0\u0159\0\u2b65\0\u2baa\0\u2bef\0\u2c34"+
"\0\u2c79\0\u2cbe\0\u2d03\0\u2d48\0\u2d8d\0\u2dd2\0\u2e17\0\u2e5c"+
"\0\u2ea1\0\u2ee6\0\u2f2b\0\u0159\0\u2f70\0\u2fb5\0\u2ffa\0\u303f"+
"\0\u3084\0\u30c9\0\u310e\0\u3153\0\u0159\0\u3198\0\u31dd\0\u3222"+
"\0\u3267\0\u0159\0\u32ac\0\u32f1\0\u3336\0\u337b\0\u33c0\0\u0159"+
"\0\u3405\0\u344a\0\u348f\0\u34d4\0\u3519\0\u355e\0\u35a3\0\u0159"+
"\0\u35e8\0\u362d\0\u3672\0\u0159\0\u36b7\0\u36fc\0\u3741\0\u3786"+
"\0\u37cb\0\u3810\0\u3855\0\u389a\0\u38df\0\u3924\0\u3969\0\u39ae"+
"\0\u39f3\0\u3a38\0\u3a7d\0\u3ac2\0\u3b07\0\u0159\0\u3b4c\0\u3b91"+
"\0\u3bd6\0\u3c1b\0\u0159\0\u3c60\0\u3ca5\0\317\0\u0159\0\317"+
"\0\u3cea\0\u3d2f\0\u0159\0\u0159";
private static int [] zzUnpackRowMap() {
int [] result = new int[276];
int offset = 0;
offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
return result;
}
private static int zzUnpackRowMap(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int high = packed.charAt(i++) << 16;
result[j++] = high | packed.charAt(i++);
}
return j;
}
/**
* The transition table of the DFA
*/
private static final int [] ZZ_TRANS = zzUnpackTrans();
private static final String ZZ_TRANS_PACKED_0 =
"\1\4\1\5\2\6\1\7\1\4\1\7\1\10\1\11"+
"\1\12\1\13\1\7\1\14\1\15\1\16\1\7\1\17"+
"\1\7\1\20\1\21\1\7\1\22\1\23\1\24\1\7"+
"\1\25\2\7\1\26\1\7\1\27\1\30\1\31\1\32"+
"\1\33\1\34\1\35\1\36\1\37\1\40\1\41\1\42"+
"\1\43\4\7\1\44\1\45\1\6\4\7\1\46\1\47"+
"\2\7\1\50\1\51\1\52\1\53\1\54\1\55\1\56"+
"\1\57\1\60\1\61\1\4\1\62\2\4\100\62\1\63"+
"\1\64\1\65\2\4\77\65\1\66\1\65\1\67\107\0"+
"\1\6\107\0\2\7\1\70\1\71\3\7\1\0\44\7"+
"\1\0\10\7\24\0\2\72\101\0\1\72\1\0\2\73"+
"\1\74\3\0\1\74\74\0\1\72\1\0\2\13\1\74"+
"\3\0\1\74\72\0\2\7\1\70\1\71\2\7\1\75"+
"\1\0\2\7\1\76\2\7\1\77\2\7\1\100\33\7"+
"\1\0\10\7\20\0\2\7\1\70\1\71\3\7\1\0"+
"\14\7\1\101\2\7\1\102\14\7\1\103\1\104\6\7"+
"\1\0\10\7\20\0\2\7\1\70\1\71\3\7\1\0"+
"\34\7\1\105\1\106\6\7\1\0\1\107\1\110\6\7"+
"\20\0\2\7\1\70\1\71\3\7\1\0\17\7\1\102"+
"\15\7\1\104\6\7\1\0\10\7\20\0\2\7\1\70"+
"\1\71\3\7\1\0\35\7\1\111\6\7\1\0\1\7"+
"\1\110\6\7\20\0\2\7\1\70\1\71\2\7\1\75"+
"\1\0\10\7\1\112\33\7\1\0\10\7\20\0\2\7"+
"\1\70\1\71\3\7\1\0\13\7\1\113\2\7\1\114"+
"\25\7\1\0\10\7\20\0\2\7\1\70\1\71\3\7"+
"\1\0\12\7\1\115\1\116\2\7\1\117\2\7\1\120"+
"\22\7\1\0\10\7\20\0\2\7\1\70\1\71\3\7"+
"\1\0\16\7\1\121\2\7\1\120\22\7\1\0\10\7"+
"\20\0\2\7\1\70\1\71\3\7\1\0\16\7\1\114"+
"\25\7\1\0\10\7\20\0\2\7\1\70\1\71\3\7"+
"\1\0\23\7\1\122\1\123\17\7\1\0\10\7\20\0"+
"\2\7\1\70\1\71\3\7\1\0\26\7\1\124\1\125"+
"\14\7\1\0\10\7\20\0\2\7\1\70\1\71\3\7"+
"\1\0\27\7\1\125\14\7\1\0\10\7\20\0\2\7"+
"\1\70\1\71\3\7\1\0\24\7\1\123\17\7\1\0"+
"\10\7\20\0\2\7\1\70\1\71\3\7\1\0\1\7"+
"\1\126\1\7\1\127\2\7\1\130\2\7\1\131\16\7"+
"\1\132\1\133\12\7\1\0\10\7\20\0\2\7\1\70"+
"\1\71\3\7\1\0\6\7\1\130\2\7\1\131\17\7"+
"\1\133\12\7\1\0\10\7\20\0\2\7\1\70\1\71"+
"\3\7\1\0\14\7\1\134\2\7\1\135\16\7\1\136"+
"\1\137\4\7\1\0\10\7\20\0\2\7\1\70\1\71"+
"\3\7\1\0\17\7\1\135\17\7\1\137\4\7\1\0"+
"\10\7\20\0\2\7\1\70\1\71\2\7\1\140\1\0"+
"\2\7\1\141\23\7\1\142\1\143\4\7\1\144\1\145"+
"\6\7\1\0\10\7\20\0\2\7\1\70\1\71\2\7"+
"\1\140\1\0\27\7\1\143\5\7\1\145\6\7\1\0"+
"\10\7\20\0\2\7\1\70\1\71\3\7\1\0\1\7"+
"\1\146\1\7\1\147\5\7\1\146\16\7\2\150\12\7"+
"\1\0\10\7\20\0\2\7\1\70\1\71\3\7\1\0"+
"\6\7\1\151\2\7\1\146\17\7\1\150\12\7\1\0"+
"\10\7\20\0\2\7\1\70\1\71\2\7\1\152\1\0"+
"\2\7\1\153\41\7\1\0\10\7\20\0\2\7\1\70"+
"\1\71\2\7\1\152\1\0\44\7\1\0\10\7\20\0"+
"\2\7\1\70\1\71\3\7\1\0\13\7\1\154\2\7"+
"\1\155\25\7\1\0\10\7\20\0\2\7\1\70\1\71"+
"\3\7\1\0\16\7\1\156\25\7\1\0\10\7\106\0"+
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"\1\70\1\71\3\7\1\0\15\7\1\u010c\26\7\1\0"+
"\10\7\20\0\2\7\1\70\1\71\3\7\1\0\20\7"+
"\1\u010d\23\7\1\0\10\7\75\0\1\u010e\105\0\1\u010e"+
"\26\0\2\7\1\70\1\71\3\7\1\0\5\7\1\u010f"+
"\36\7\1\0\10\7\20\0\2\7\1\70\1\71\3\7"+
"\1\0\10\7\1\u010f\33\7\1\0\10\7\75\0\1\u0110"+
"\105\0\1\u0110\26\0\2\7\1\70\1\71\3\7\1\0"+
"\5\7\1\u0111\36\7\1\0\10\7\20\0\2\7\1\70"+
"\1\71\3\7\1\0\10\7\1\u0112\33\7\1\0\10\7"+
"\20\0\2\7\1\70\1\71\3\7\1\0\44\7\1\0"+
"\2\7\1\u0113\5\7\20\0\2\7\1\70\1\71\3\7"+
"\1\0\44\7\1\0\3\7\1\u0113\4\7\20\0\2\7"+
"\1\70\1\71\3\7\1\0\23\7\1\u0114\20\7\1\0"+
"\10\7\20\0\2\7\1\70\1\71\3\7\1\0\24\7"+
"\1\u0114\17\7\1\0\10\7\13\0";
private static int [] zzUnpackTrans() {
int [] result = new int[15732];
int offset = 0;
offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
return result;
}
private static int zzUnpackTrans(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
value--;
do result[j++] = value; while (--count > 0);
}
return j;
}
/* error codes */
private static final int ZZ_UNKNOWN_ERROR = 0;
private static final int ZZ_NO_MATCH = 1;
private static final int ZZ_PUSHBACK_2BIG = 2;
/* error messages for the codes above */
private static final String ZZ_ERROR_MSG[] = {
"Unkown internal scanner error",
"Error: could not match input",
"Error: pushback value was too large"
};
/**
* ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
*/
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\3\0\1\11\1\1\1\11\2\1\1\11\2\1\2\11"+
"\32\1\2\11\3\1\5\11\1\1\1\11\2\1\1\11"+
"\2\1\1\0\2\1\1\0\62\1\10\11\3\1\1\0"+
"\166\1\3\0\5\1\3\0\6\1\2\0\3\1\2\0"+
"\5\1\1\11\1\1\1\11\4\1";
private static int [] zzUnpackAttribute() {
int [] result = new int[276];
int offset = 0;
offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAttribute(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/** the input device */
private java.io.Reader zzReader;
/** the current state of the DFA */
private int zzState;
/** the current lexical state */
private int zzLexicalState = YYINITIAL;
/** this buffer contains the current text to be matched and is
the source of the yytext() string */
private char zzBuffer[] = new char[ZZ_BUFFERSIZE];
/** the textposition at the last accepting state */
private int zzMarkedPos;
/** the current text position in the buffer */
private int zzCurrentPos;
/** startRead marks the beginning of the yytext() string in the buffer */
private int zzStartRead;
/** endRead marks the last character in the buffer, that has been read
from input */
private int zzEndRead;
/** number of newlines encountered up to the start of the matched text */
private int yyline;
/** the number of characters up to the start of the matched text */
private int yychar;
/**
* the number of characters from the last newline up to the start of the
* matched text
*/
private int yycolumn;
/**
* zzAtBOL == true <=> the scanner is currently at the beginning of a line
*/
private boolean zzAtBOL = true;
/** zzAtEOF == true <=> the scanner is at the EOF */
private boolean zzAtEOF;
/** denotes if the user-EOF-code has already been executed */
private boolean zzEOFDone;
/* user code: */
StringBuffer string = new StringBuffer();
private Symbol symbol(int type) {
return new Symbol(type, -1, yychar, yytext());
}
private Symbol symbol(int type, Object value) {
return new Symbol(type, -1, yychar, value);
}
private void scanError() throws QueryParseException {
StringBuffer buf = new StringBuffer("Lexical Error: Illegal character <")
.append(yytext()).append("> at offset ").append(yychar);
throw new QueryParseException(buf.toString());
}
/**
* Creates a new scanner
* There is also a java.io.InputStream version of this constructor.
*
* @param in the java.io.Reader to read input from.
*/
public Scanner(java.io.Reader in) {
this.zzReader = in;
}
/**
* Creates a new scanner.
* There is also java.io.Reader version of this constructor.
*
* @param in the java.io.Inputstream to read input from.
*/
public Scanner(java.io.InputStream in) {
this(new java.io.InputStreamReader(in));
}
/**
* Unpacks the compressed character translation table.
*
* @param packed the packed character translation table
* @return the unpacked character translation table
*/
private static char [] zzUnpackCMap(String packed) {
char [] map = new char[0x10000];
int i = 0; /* index in packed string */
int j = 0; /* index in unpacked array */
while (i < 1332) {
int count = packed.charAt(i++);
char value = packed.charAt(i++);
do map[j++] = value; while (--count > 0);
}
return map;
}
/**
* Refills the input buffer.
*
* @return <code>false</code>, iff there was new input.
*
* @exception java.io.IOException if any I/O-Error occurs
*/
private boolean zzRefill() throws java.io.IOException {
/* first: make room (if you can) */
if (zzStartRead > 0) {
System.arraycopy(zzBuffer, zzStartRead,
zzBuffer, 0,
zzEndRead-zzStartRead);
/* translate stored positions */
zzEndRead-= zzStartRead;
zzCurrentPos-= zzStartRead;
zzMarkedPos-= zzStartRead;
zzStartRead = 0;
}
/* is the buffer big enough? */
if (zzCurrentPos >= zzBuffer.length) {
/* if not: blow it up */
char newBuffer[] = new char[zzCurrentPos*2];
System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
zzBuffer = newBuffer;
}
/* finally: fill the buffer with new input */
int numRead = zzReader.read(zzBuffer, zzEndRead,
zzBuffer.length-zzEndRead);
if (numRead > 0) {
zzEndRead+= numRead;
return false;
}
// unlikely but not impossible: read 0 characters, but not at end of stream
if (numRead == 0) {
int c = zzReader.read();
if (c == -1) {
return true;
} else {
zzBuffer[zzEndRead++] = (char) c;
return false;
}
}
// numRead < 0
return true;
}
/**
* Closes the input stream.
*/
public final void yyclose() throws java.io.IOException {
zzAtEOF = true; /* indicate end of file */
zzEndRead = zzStartRead; /* invalidate buffer */
if (zzReader != null)
zzReader.close();
}
/**
* Resets the scanner to read from a new input stream.
* Does not close the old reader.
*
* All internal variables are reset, the old input stream
* <b>cannot</b> be reused (internal buffer is discarded and lost).
* Lexical state is set to <tt>ZZ_INITIAL</tt>.
*
* @param reader the new input stream
*/
public final void yyreset(java.io.Reader reader) {
zzReader = reader;
zzAtBOL = true;
zzAtEOF = false;
zzEOFDone = false;
zzEndRead = zzStartRead = 0;
zzCurrentPos = zzMarkedPos = 0;
yyline = yychar = yycolumn = 0;
zzLexicalState = YYINITIAL;
}
/**
* Returns the current lexical state.
*/
public final int yystate() {
return zzLexicalState;
}
/**
* Enters a new lexical state
*
* @param newState the new lexical state
*/
public final void yybegin(int newState) {
zzLexicalState = newState;
}
/**
* Returns the text matched by the current regular expression.
*/
public final String yytext() {
return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
}
/**
* Returns the character at position <tt>pos</tt> from the
* matched text.
*
* It is equivalent to yytext().charAt(pos), but faster
*
* @param pos the position of the character to fetch.
* A value from 0 to yylength()-1.
*
* @return the character at position pos
*/
public final char yycharat(int pos) {
return zzBuffer[zzStartRead+pos];
}
/**
* Returns the length of the matched text region.
*/
public final int yylength() {
return zzMarkedPos-zzStartRead;
}
/**
* Reports an error that occured while scanning.
*
* In a wellformed scanner (no or only correct usage of
* yypushback(int) and a match-all fallback rule) this method
* will only be called with things that "Can't Possibly Happen".
* If this method is called, something is seriously wrong
* (e.g. a JFlex bug producing a faulty scanner etc.).
*
* Usual syntax/scanner level error handling should be done
* in error fallback rules.
*
* @param errorCode the code of the errormessage to display
*/
private void zzScanError(int errorCode) {
String message;
try {
message = ZZ_ERROR_MSG[errorCode];
}
catch (ArrayIndexOutOfBoundsException e) {
message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
}
throw new Error(message);
}
/**
* Pushes the specified amount of characters back into the input stream.
*
* They will be read again by then next call of the scanning method
*
* @param number the number of characters to be read again.
* This number must not be greater than yylength()!
*/
public void yypushback(int number) {
if ( number > yylength() )
zzScanError(ZZ_PUSHBACK_2BIG);
zzMarkedPos -= number;
}
/**
* Contains user EOF-code, which will be executed exactly once,
* when the end of file is reached
*/
private void zzDoEOF() throws java.io.IOException {
if (!zzEOFDone) {
zzEOFDone = true;
yyclose();
}
}
/**
* Resumes scanning until the next regular expression is matched,
* the end of input is encountered or an I/O-Error occurs.
*
* @return the next token
* @exception java.io.IOException if any I/O-Error occurs
*/
public java_cup.runtime.Symbol next_token() throws java.io.IOException {
int zzInput;
int zzAction;
// cached fields:
int zzCurrentPosL;
int zzMarkedPosL;
int zzEndReadL = zzEndRead;
char [] zzBufferL = zzBuffer;
char [] zzCMapL = ZZ_CMAP;
int [] zzTransL = ZZ_TRANS;
int [] zzRowMapL = ZZ_ROWMAP;
int [] zzAttrL = ZZ_ATTRIBUTE;
while (true) {
zzMarkedPosL = zzMarkedPos;
yychar+= zzMarkedPosL-zzStartRead;
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = ZZ_LEXSTATE[zzLexicalState];
zzForAction: {
while (true) {
if (zzCurrentPosL < zzEndReadL)
zzInput = zzBufferL[zzCurrentPosL++];
else if (zzAtEOF) {
zzInput = YYEOF;
break zzForAction;
}
else {
// store back cached positions
zzCurrentPos = zzCurrentPosL;
zzMarkedPos = zzMarkedPosL;
boolean eof = zzRefill();
// get translated positions and possibly new buffer
zzCurrentPosL = zzCurrentPos;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
zzEndReadL = zzEndRead;
if (eof) {
zzInput = YYEOF;
break zzForAction;
}
else {
zzInput = zzBufferL[zzCurrentPosL++];
}
}
int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
if (zzNext == -1) break zzForAction;
zzState = zzNext;
int zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ( (zzAttributes & 8) == 8 ) break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 2:
{ /* ignore */
}
case 59: break;
case 51:
{ return symbol(sym.HAVING);
}
case 60: break;
case 24:
{ return symbol(sym.IS);
}
case 61: break;
case 47:
{ return symbol(sym.WHERE);
}
case 62: break;
case 44:
{ return symbol(sym.DESC);
}
case 63: break;
case 11:
{ return symbol(sym.GT);
}
case 64: break;
case 55:
{ return symbol(sym.DISTINCT);
}
case 65: break;
case 29:
{ string.append('\t');
}
case 66: break;
case 6:
{ return symbol(sym.SUM);
}
case 67: break;
case 10:
{ return symbol(sym.LT);
}
case 68: break;
case 15:
{ string.setLength(0); yybegin(STRING);
}
case 69: break;
case 57:
{ return symbol(sym.TIMESTAMP);
}
case 70: break;
case 48:
{ return symbol(sym.ILIKE);
}
case 71: break;
case 28:
{ return symbol(sym.GTEQ);
}
case 72: break;
case 21:
{ return symbol(sym.DOUBLE, yytext());
}
case 73: break;
case 39:
{ return symbol(sym.NOT);
}
case 74: break;
case 38:
{ return symbol(sym.AND);
}
case 75: break;
case 4:
{ return symbol(sym.DIV);
}
case 76: break;
case 19:
{ string.append('\\');
}
case 77: break;
case 30:
{ string.append('\r');
}
case 78: break;
case 52:
{ return symbol(sym.BETWEEN);
}
case 79: break;
case 50:
{ return symbol(sym.OFFSET);
}
case 80: break;
case 45:
{ return symbol(sym.DATE);
}
case 81: break;
case 36:
{ return symbol(sym.ASC);
}
case 82: break;
case 7:
{ return symbol(sym.SUB);
}
case 83: break;
case 41:
{ return symbol(sym.TYPE);
}
case 84: break;
case 3:
{ return symbol(sym.IDENTIFIER, yytext());
}
case 85: break;
case 33:
{ string.append('\"');
}
case 86: break;
case 37:
{ return symbol(sym.ALL);
}
case 87: break;
case 1:
{ scanError();
}
case 88: break;
case 54:
{ return symbol(sym.ORDERBY);
}
case 89: break;
case 20:
{ yybegin(YYINITIAL);
return symbol(sym.STRING, string.toString());
}
case 90: break;
case 32:
{ string.append('\'');
}
case 91: break;
case 40:
{ return symbol(sym.LIKE);
}
case 92: break;
case 22:
{ return symbol(sym.OR);
}
case 93: break;
case 25:
{ return symbol(sym.IN);
}
case 94: break;
case 9:
{ return symbol(sym.EQ);
}
case 95: break;
case 18:
{ yybegin(YYINITIAL);
return symbol(sym.STRING,string.toString());
}
case 96: break;
case 34:
{ return symbol(sym.FROM_IDENTIFIER, yytext());
}
case 97: break;
case 35:
{ return symbol(sym.PATH_IDENTIFIER, yytext());
}
case 98: break;
case 31:
{ string.append('\n');
}
case 99: break;
case 53:
{ return symbol(sym.LOCATION);
}
case 100: break;
case 27:
{ return symbol(sym.LTEQ);
}
case 101: break;
case 23:
{ return symbol(sym.AS);
}
case 102: break;
case 12:
{ return symbol(sym.LPARA);
}
case 103: break;
case 42:
{ return symbol(sym.FROM);
}
case 104: break;
case 49:
{ return symbol(sym.SELECT);
}
case 105: break;
case 13:
{ return symbol(sym.RPARA);
}
case 106: break;
case 58:
{ return symbol(sym.STARTSWITH);
}
case 107: break;
case 26:
{ return symbol(sym.NOTEQ);
}
case 108: break;
case 16:
{ string.setLength(0); yybegin(SQ_STRING);
}
case 109: break;
case 14:
{ return symbol(sym.COMMA);
}
case 110: break;
case 8:
{ return symbol(sym.MUL);
}
case 111: break;
case 56:
{ return symbol(sym.GROUPBY);
}
case 112: break;
case 17:
{ string.append( yytext() );
}
case 113: break;
case 5:
{ return symbol(sym.INTEGER, yytext());
}
case 114: break;
case 43:
{ return symbol(sym.NULL);
}
case 115: break;
case 46:
{ return symbol(sym.LIMIT);
}
case 116: break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
zzDoEOF();
{ return new java_cup.runtime.Symbol(sym.EOF); }
}
else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}