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Yylex.java

/* The following code was generated by JFlex 1.4.1 on 27/05/09 22:27 */

/*********************************************************************
*
*      Copyright (C) 2002 Andrew Khan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
***************************************************************************/

package jxl.biff.formula;

/**
 * This file is generated by JLex.  Do not alter the contents of this file
 * because changes will be overridden
 */

import jxl.biff.WorkbookMethods;


/**
 * This class is a scanner generated by 
 * <a href="http://www.jflex.de/">JFlex</a> 1.4.1
 * on 27/05/09 22:27 from the specification file
 * <tt>xlformula.flex</tt>
 */
class Yylex {

  /** This character denotes the end of file */
00041   public static final int YYEOF = -1;

  /** initial size of the lookahead buffer */
00044   private static final int ZZ_BUFFERSIZE = 16384;

  /** lexical states */
00047   public static final int YYSTRING = 1;
  public static final int YYINITIAL = 0;

  /** 
   * Translates characters to character classes
   */
00053   private static final String ZZ_CMAP_PACKED = 
    "\10\0\3\25\25\0\1\25\1\24\1\21\1\26\1\10\2\0\1\22"+
    "\1\5\1\6\1\41\1\37\1\4\1\40\1\7\1\33\1\34\11\2"+
    "\1\3\1\0\1\44\1\43\1\42\1\36\1\0\1\16\2\1\1\30"+
    "\1\14\1\15\2\1\1\31\2\1\1\17\1\35\1\27\3\1\1\12"+
    "\1\20\1\11\1\13\1\32\4\1\4\0\1\23\1\0\32\1\uff85\0";

  /** 
   * Translates characters to character classes
   */
00063   private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);

  /** 
   * Translates DFA states to action switch labels.
   */
00068   private static final int [] ZZ_ACTION = zzUnpackAction();

  private static final String ZZ_ACTION_PACKED_0 =
    "\1\0\1\1\1\2\1\3\1\4\1\5\1\6\1\7"+
    "\1\0\2\2\1\10\1\0\1\11\1\0\1\12\1\13"+
    "\1\14\1\15\1\16\1\17\1\20\1\1\1\21\1\2"+
    "\1\22\1\0\1\23\1\0\1\2\3\0\2\2\5\0"+
    "\1\24\1\25\1\26\1\2\1\0\1\27\1\0\1\22"+
    "\2\0\1\30\1\0\2\2\10\0\1\27\1\0\1\31"+
    "\1\0\1\32\10\0\1\33\2\0\1\31\2\0\1\34"+
    "\4\0\1\35\3\0\1\35\1\0\1\36\1\0";

  private static int [] zzUnpackAction() {
    int [] result = new int[94];
    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
   */
00103   private static final int [] ZZ_ROWMAP = zzUnpackRowMap();

  private static final String ZZ_ROWMAP_PACKED_0 =
    "\0\0\0\45\0\112\0\157\0\224\0\224\0\224\0\224"+
    "\0\271\0\336\0\u0103\0\224\0\u0128\0\224\0\u014d\0\224"+
    "\0\224\0\224\0\224\0\u0172\0\224\0\u0197\0\u01bc\0\224"+
    "\0\u01e1\0\u0206\0\u022b\0\224\0\u0250\0\u0275\0\u029a\0\u02bf"+
    "\0\u02e4\0\u0309\0\u032e\0\u0353\0\u0378\0\u039d\0\u03c2\0\u03e7"+
    "\0\224\0\224\0\224\0\u040c\0\u0431\0\u0456\0\u047b\0\u04a0"+
    "\0\u04c5\0\u04ea\0\u02bf\0\u050f\0\u0534\0\u0559\0\u057e\0\u05a3"+
    "\0\u05c8\0\u05ed\0\u0612\0\u0637\0\u065c\0\u0681\0\224\0\u06a6"+
    "\0\u06cb\0\u06cb\0\u040c\0\u06f0\0\u0715\0\u073a\0\u075f\0\u0784"+
    "\0\u07a9\0\u07ce\0\u07f3\0\u0818\0\u0818\0\u083d\0\u0862\0\u0887"+
    "\0\u08ac\0\224\0\u08d1\0\u08f6\0\u091b\0\u0940\0\u0965\0\u098a"+
    "\0\u09af\0\u09d4\0\224\0\u09f9\0\u0a1e\0\u0a1e";

  private static int [] zzUnpackRowMap() {
    int [] result = new int[94];
    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
   */
00140   private static final int [] ZZ_TRANS = zzUnpackTrans();

  private static final String ZZ_TRANS_PACKED_0 =
    "\1\0\1\3\1\4\1\5\1\6\1\7\1\10\1\0"+
    "\1\11\1\12\3\3\1\13\3\3\1\14\1\15\2\0"+
    "\1\16\1\17\4\3\1\20\1\4\1\3\1\0\1\21"+
    "\1\22\1\23\1\24\1\25\1\26\21\27\1\30\23\27"+
    "\1\0\1\31\1\32\1\33\1\0\1\34\2\0\1\35"+
    "\10\31\2\0\1\36\1\37\2\0\4\31\1\0\1\32"+
    "\1\31\11\0\1\4\4\0\1\40\24\0\1\4\56\0"+
    "\1\41\7\0\10\41\6\0\4\41\2\0\1\41\10\0"+
    "\1\31\1\32\1\33\1\0\1\34\2\0\1\35\1\31"+
    "\1\42\6\31\2\0\1\36\1\37\2\0\4\31\1\0"+
    "\1\32\1\31\10\0\1\31\1\32\1\33\1\0\1\34"+
    "\2\0\1\35\5\31\1\43\2\31\2\0\1\36\1\37"+
    "\2\0\4\31\1\0\1\32\1\31\7\0\22\15\1\44"+
    "\22\15\12\0\1\45\14\0\1\46\1\47\1\0\1\50"+
    "\55\0\1\51\43\0\1\52\1\53\1\0\21\27\1\0"+
    "\23\27\1\0\1\54\1\32\1\33\1\0\1\34\2\0"+
    "\1\35\10\54\2\0\1\36\1\37\2\0\4\54\1\0"+
    "\1\32\1\54\10\0\1\36\1\32\1\55\5\0\10\36"+
    "\2\0\1\36\3\0\4\36\1\0\1\32\1\36\10\0"+
    "\1\56\6\0\1\57\10\56\6\0\4\56\2\0\1\56"+
    "\11\0\1\60\31\0\1\60\11\0\2\36\6\0\10\36"+
    "\2\0\1\36\3\0\4\36\1\0\2\36\10\0\1\61"+
    "\6\0\1\62\10\61\6\0\4\61\2\0\1\61\11\0"+
    "\1\63\31\0\1\63\11\0\1\64\1\60\1\33\4\0"+
    "\1\35\10\64\6\0\4\64\1\0\1\60\1\64\10\0"+
    "\1\54\1\32\1\33\1\0\1\34\2\0\1\35\2\54"+
    "\1\65\5\54\2\0\1\36\1\37\2\0\4\54\1\0"+
    "\1\32\1\54\10\0\1\54\1\32\1\33\1\0\1\34"+
    "\2\0\1\35\6\54\1\66\1\54\2\0\1\36\1\37"+
    "\2\0\4\54\1\0\1\32\1\54\33\0\1\67\34\0"+
    "\1\70\43\0\1\71\2\0\1\72\57\0\1\73\31\0"+
    "\1\74\27\0\1\54\1\36\2\0\1\34\3\0\10\54"+
    "\2\0\1\36\1\37\2\0\4\54\1\0\1\36\1\54"+
    "\10\0\1\75\6\0\1\76\10\75\6\0\4\75\2\0"+
    "\1\75\10\0\1\77\7\0\10\77\6\0\4\77\2\0"+
    "\1\77\10\0\1\56\7\0\10\56\6\0\4\56\2\0"+
    "\1\56\11\0\1\60\1\55\30\0\1\60\11\0\1\100"+
    "\1\101\5\0\1\102\10\100\6\0\4\100\1\0\1\101"+
    "\1\100\10\0\1\61\7\0\10\61\6\0\4\61\2\0"+
    "\1\61\11\0\1\60\1\33\4\0\1\35\23\0\1\60"+
    "\11\0\1\54\1\36\2\0\1\34\3\0\3\54\1\103"+
    "\4\54\2\0\1\36\1\37\2\0\4\54\1\0\1\36"+
    "\1\54\10\0\1\54\1\36\2\0\1\34\3\0\7\54"+
    "\1\65\2\0\1\36\1\37\2\0\4\54\1\0\1\36"+
    "\1\54\10\0\1\104\6\0\1\105\10\104\6\0\4\104"+
    "\2\0\1\104\24\0\1\106\46\0\1\107\15\0\1\106"+
    "\44\0\1\110\41\0\1\111\31\0\1\112\26\0\1\113"+
    "\1\114\5\0\1\115\10\113\6\0\4\113\1\0\1\114"+
    "\1\113\10\0\1\75\7\0\10\75\6\0\4\75\2\0"+
    "\1\75\11\0\1\101\5\0\1\102\23\0\1\101\12\0"+
    "\1\101\31\0\1\101\11\0\1\116\1\117\1\120\4\0"+
    "\1\121\10\116\6\0\4\116\1\0\1\117\1\116\10\0"+
    "\1\104\7\0\10\104\6\0\4\104\2\0\1\104\33\0"+
    "\1\122\37\0\1\106\41\0\1\123\63\0\1\124\24\0"+
    "\1\125\33\0\1\114\5\0\1\115\23\0\1\114\12\0"+
    "\1\114\31\0\1\114\12\0\1\117\1\120\4\0\1\121"+
    "\23\0\1\117\12\0\1\117\1\126\30\0\1\117\11\0"+
    "\1\127\6\0\1\130\10\127\6\0\4\127\2\0\1\127"+
    "\11\0\1\117\31\0\1\117\46\0\1\122\42\0\1\106"+
    "\24\0\1\106\31\0\1\131\6\0\1\132\10\131\6\0"+
    "\4\131\2\0\1\131\10\0\1\133\7\0\10\133\6\0"+
    "\4\133\2\0\1\133\10\0\1\127\7\0\10\127\6\0"+
    "\4\127\2\0\1\127\10\0\1\134\1\135\5\0\1\136"+
    "\10\134\6\0\4\134\1\0\1\135\1\134\10\0\1\131"+
    "\7\0\10\131\6\0\4\131\2\0\1\131\11\0\1\135"+
    "\5\0\1\136\23\0\1\135\12\0\1\135\31\0\1\135"+
    "\10\0";

  private static int [] zzUnpackTrans() {
    int [] result = new int[2627];
    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>
   */
00247   private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();

  private static final String ZZ_ATTRIBUTE_PACKED_0 =
    "\1\0\3\1\4\11\1\0\2\1\1\11\1\0\1\11"+
    "\1\0\4\11\1\1\1\11\2\1\1\11\2\1\1\0"+
    "\1\11\1\0\1\1\3\0\2\1\5\0\3\11\1\1"+
    "\1\0\1\1\1\0\1\1\2\0\1\1\1\0\2\1"+
    "\10\0\1\11\1\0\1\1\1\0\1\1\10\0\1\1"+
    "\2\0\1\1\2\0\1\11\4\0\1\1\3\0\1\11"+
    "\1\0\1\1\1\0";

  private static int [] zzUnpackAttribute() {
    int [] result = new int[94];
    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 */
00278   private java.io.Reader zzReader;

  /** the current state of the DFA */
00281   private int zzState;

  /** the current lexical state */
00284   private int zzLexicalState = YYINITIAL;

  /** this buffer contains the current text to be matched and is
      the source of the yytext() string */
00288   private char zzBuffer[] = new char[ZZ_BUFFERSIZE];

  /** the textposition at the last accepting state */
00291   private int zzMarkedPos;

  /** the textposition at the last state to be included in yytext */
00294   private int zzPushbackPos;

  /** the current text position in the buffer */
00297   private int zzCurrentPos;

  /** startRead marks the beginning of the yytext() string in the buffer */
00300   private int zzStartRead;

  /** endRead marks the last character in the buffer, that has been read
      from input */
00304   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
   */
00316   private int yycolumn;

  /** 
   * zzAtBOL == true <=> the scanner is currently at the beginning of a line
   */
00321   private boolean zzAtBOL = true;

  /** zzAtEOF == true <=> the scanner is at the EOF */
00324   private boolean zzAtEOF;

  /* user code: */
  int getPos() { return yychar ; }
  private boolean emptyString;
  private ExternalSheet externalSheet;
  private WorkbookMethods nameTable;

  void setExternalSheet(ExternalSheet es)
  {
    externalSheet = es;
  }

  void setNameTable(WorkbookMethods nt)
  {
    nameTable = nt;
  }


  /**
   * 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.
   */
00349   Yylex(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.
   */
00359   Yylex(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
   */
00369   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 < 100) {
      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
   */
00389   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;
      zzPushbackPos-= 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) {
      return true;
    }
    else {
      zzEndRead+= numRead;
      return false;
    }
  }

    
  /**
   * Closes the input stream.
   */
00430   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 
   */
00449   public final void yyreset(java.io.Reader reader) {
    zzReader = reader;
    zzAtBOL  = true;
    zzAtEOF  = false;
    zzEndRead = zzStartRead = 0;
    zzCurrentPos = zzMarkedPos = zzPushbackPos = 0;
    yyline = yychar = yycolumn = 0;
    zzLexicalState = YYINITIAL;
  }


  /**
   * Returns the current lexical state.
   */
00463   public final int yystate() {
    return zzLexicalState;
  }


  /**
   * Enters a new lexical state
   *
   * @param newState the new lexical state
   */
00473   public final void yybegin(int newState) {
    zzLexicalState = newState;
  }


  /**
   * Returns the text matched by the current regular expression.
   */
00481   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
   */
00497   public final char yycharat(int pos) {
    return zzBuffer[zzStartRead+pos];
  }


  /**
   * Returns the length of the matched text region.
   */
00505   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
   */
00524   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()!
   */
00545   public void yypushback(int number)  {
    if ( number > yylength() )
      zzScanError(ZZ_PUSHBACK_2BIG);

    zzMarkedPos -= number;
  }


  /**
   * 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
   */
00560   public ParseItem yylex() throws java.io.IOException,  jxl.biff.formula.FormulaException
 {
    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;

      boolean zzR = false;
      for (zzCurrentPosL = zzStartRead; zzCurrentPosL < zzMarkedPosL;
                                                             zzCurrentPosL++) {
        switch (zzBufferL[zzCurrentPosL]) {
        case '\u000B':
        case '\u000C':
        case '\u0085':
        case '\u2028':
        case '\u2029':
          yyline++;
          zzR = false;
          break;
        case '\r':
          yyline++;
          zzR = true;
          break;
        case '\n':
          if (zzR)
            zzR = false;
          else {
            yyline++;
          }
          break;
        default:
          zzR = false;
        }
      }

      if (zzR) {
        // peek one character ahead if it is \n (if we have counted one line too much)
        boolean zzPeek;
        if (zzMarkedPosL < zzEndReadL)
          zzPeek = zzBufferL[zzMarkedPosL] == '\n';
        else if (zzAtEOF)
          zzPeek = false;
        else {
          boolean eof = zzRefill();
          zzEndReadL = zzEndRead;
          zzMarkedPosL = zzMarkedPos;
          zzBufferL = zzBuffer;
          if (eof) 
            zzPeek = false;
          else 
            zzPeek = zzBufferL[zzMarkedPosL] == '\n';
        }
        if (zzPeek) yyline--;
      }
      zzAction = -1;

      zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
  
      zzState = 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 12: 
          { return new Minus() ;
          }
        case 31: break;
        case 7: 
          { return new CloseParentheses() ;
          }
        case 32: break;
        case 3: 
          { return new IntegerValue(yytext()) ;
          }
        case 33: break;
        case 24: 
          { return new DoubleValue(yytext()) ;
          }
        case 34: break;
        case 29: 
          { return new ColumnRange3d(yytext(),externalSheet) ;
          }
        case 35: break;
        case 4: 
          { return new RangeSeparator();
          }
        case 36: break;
        case 10: 
          { return new Divide() ;
          }
        case 37: break;
        case 25: 
          { return new CellReference3d(yytext(),externalSheet) ;
          }
        case 38: break;
        case 26: 
          { return new BooleanValue(yytext());
          }
        case 39: break;
        case 15: 
          { return new Equal() ;
          }
        case 40: break;
        case 17: 
          { yybegin(YYINITIAL); if (emptyString) return new StringValue("");
          }
        case 41: break;
        case 8: 
          { emptyString = true; yybegin(YYSTRING);
          }
        case 42: break;
        case 21: 
          { return new NotEqual() ;
          }
        case 43: break;
        case 22: 
          { return new LessEqual() ;
          }
        case 44: break;
        case 16: 
          { return new LessThan() ;
          }
        case 45: break;
        case 5: 
          { return new ArgumentSeparator() ;
          }
        case 46: break;
        case 30: 
          { return new Area3d(yytext(),externalSheet) ;
          }
        case 47: break;
        case 14: 
          { return new GreaterThan() ;
          }
        case 48: break;
        case 18: 
          { return new CellReference(yytext()) ;
          }
        case 49: break;
        case 20: 
          { return new GreaterEqual() ;
          }
        case 50: break;
        case 27: 
          { return new Area(yytext()) ;
          }
        case 51: break;
        case 23: 
          { return new ColumnRange(yytext());
          }
        case 52: break;
        case 1: 
          { emptyString = false; return new StringValue(yytext()) ;
          }
        case 53: break;
        case 2: 
          { return new NameRange(yytext(), nameTable);
          }
        case 54: break;
        case 19: 
          { return new StringFunction(yytext()) ;
          }
        case 55: break;
        case 11: 
          { return new Plus() ;
          }
        case 56: break;
        case 28: 
          { return new ErrorConstant(yytext());
          }
        case 57: break;
        case 9: 
          { 
          }
        case 58: break;
        case 13: 
          { return new Multiply() ;
          }
        case 59: break;
        case 6: 
          { return new OpenParentheses() ;
          }
        case 60: break;
        default: 
          if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
            zzAtEOF = true;
            return null;
          } 
          else {
            zzScanError(ZZ_NO_MATCH);
          }
      }
    }
  }


}

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