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/* Generated By:JavaCC: Do not edit this line. ZqlJJParser.java */
package net.sf.mongodb_jdbc_driver.zql;

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Hashtable;
import java.util.Vector;

/**
 * ZqlJJParser: an SQL parser
 */
public class ZqlJJParser implements ZqlJJParserConstants {

  public static void main(String args[]) throws ParseException {

    ZqlJJParser p = null ;

    if ( args.length < 1  ) {
      System.out.println("Reading from stdin (exit; to finish)");
      p = new ZqlJJParser(System.in) ;

    } else {

      try {
        p = new ZqlJJParser(new DataInputStream(
                          new FileInputStream(args[0]))) ;
      } catch (FileNotFoundException e) {
        System.out.println("File " + args[0] +
                           " not found. Reading from stdin") ;
        p = new ZqlJJParser(System.in) ;
      }
    } // else ends here

    if ( args.length > 0 ) {
      System.out.println(args[0]) ;
    }

    ZStatement st = null;
    while((st = p.SQLStatement()) != null) {
      System.out.println(st.toString());
    }
/*
    Vector v = p.SQLStatements();

    for(int i=0; i SQLStatements() throws ParseException {
  Vector v = new Vector();
  ZStatement s;
    label_1:
    while (true) {
      s = SQLStatement();
                          if(s == null) {if (true) return v;} else v.addElement(s);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_COMMIT:
      case K_DELETE:
      case K_EXIT:
      case K_INSERT:
      case K_LOCK:
      case K_QUIT:
      case K_ROLLBACK:
      case K_SELECT:
      case K_SET:
      case K_UPDATE:
        ;
        break;
      default:
        jj_la1[4] = jj_gen;
        break label_1;
      }
    }
      {if (true) return v;}
    throw new Error("Missing return statement in function");
  }

  final public ZStatement SQLStatement() throws ParseException {
  ZStatement s = null;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_COMMIT:
      s = CommitStatement();
                            {if (true) return s;}
      break;
    case K_DELETE:
      s = DeleteStatement();
                            {if (true) return s;}
      break;
    case K_INSERT:
      s = InsertStatement();
                            {if (true) return s;}
      break;
    case K_LOCK:
      s = LockTableStatement();
                               {if (true) return s;}
      break;
    case K_ROLLBACK:
      s = RollbackStatement();
                              {if (true) return s;}
      break;
    case K_SELECT:
      s = QueryStatement();
                           {if (true) return s;}
      break;
    case K_SET:
      s = SetTransactionStatement();
                                    {if (true) return s;}
      break;
    case K_UPDATE:
      s = UpdateStatement();
                            {if (true) return s;}
      break;
    case K_EXIT:
    case K_QUIT:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_EXIT:
        jj_consume_token(K_EXIT);
        break;
      case K_QUIT:
        jj_consume_token(K_QUIT);
        break;
      default:
        jj_la1[5] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      jj_consume_token(91);
                              {if (true) return null;}
      break;
    default:
      jj_la1[6] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// CommitStatement ::= COMMIT [WORK] [COMMENT ];
  final public ZTransactStmt CommitStatement() throws ParseException {
  Token tk;
  ZTransactStmt t = new ZTransactStmt("COMMIT");
    jj_consume_token(K_COMMIT);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_WORK:
      jj_consume_token(K_WORK);
      break;
    default:
      jj_la1[7] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_COMMENT:
      jj_consume_token(K_COMMENT);
      tk = jj_consume_token(S_CHAR_LITERAL);
                                     t.setComment(tk.toString());
      break;
    default:
      jj_la1[8] = jj_gen;
      ;
    }
    jj_consume_token(91);
    {if (true) return t;}
    throw new Error("Missing return statement in function");
  }

// LockTableStatement ::= LOCK TABLE TableReference (, TableReference)*
//   IN LockMode MODE [NOWAIT];
  final public ZLockTable LockTableStatement() throws ParseException {
  ZLockTable lck = new ZLockTable();
  Vector v = new Vector();
  String s;
    jj_consume_token(K_LOCK);
    jj_consume_token(K_TABLE);
    s = TableReference();
                                        v.addElement(s);
    label_2:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 89:
        ;
        break;
      default:
        jj_la1[9] = jj_gen;
        break label_2;
      }
      jj_consume_token(89);
      s = TableReference();
                              v.addElement(s);
    }
    jj_consume_token(K_IN);
    s = LockMode();
                        lck.setLockMode(s);
    jj_consume_token(K_MODE);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOWAIT:
      jj_consume_token(K_NOWAIT);
              lck.nowait_ = true;
      break;
    default:
      jj_la1[10] = jj_gen;
      ;
    }
    jj_consume_token(91);
    lck.addTables(v); {if (true) return lck;}
    throw new Error("Missing return statement in function");
  }

// RollbackStatement ::= ROLLBACK [WORK] ["COMMENT" ];
  final public ZTransactStmt RollbackStatement() throws ParseException {
  Token tk;
  ZTransactStmt t = new ZTransactStmt("ROLLBACK");
    jj_consume_token(K_ROLLBACK);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_WORK:
      jj_consume_token(K_WORK);
      break;
    default:
      jj_la1[11] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_COMMENT:
      jj_consume_token(K_COMMENT);
      tk = jj_consume_token(S_CHAR_LITERAL);
                                     t.setComment(tk.toString());
      break;
    default:
      jj_la1[12] = jj_gen;
      ;
    }
    jj_consume_token(91);
    {if (true) return t;}
    throw new Error("Missing return statement in function");
  }

// SetTransactionStatement ::= SET TRANSACTION READ (ONLY | WRITE)
  final public ZTransactStmt SetTransactionStatement() throws ParseException {
  StringBuffer b;
  ZTransactStmt t = new ZTransactStmt("SET TRANSACTION");
  boolean rdonly = false;
    jj_consume_token(K_SET);
    jj_consume_token(K_TRANSACTION);
    jj_consume_token(K_READ);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_ONLY:
      jj_consume_token(K_ONLY);
                                        rdonly = true;
      break;
    case K_WRITE:
      jj_consume_token(K_WRITE);
      break;
    default:
      jj_la1[13] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    jj_consume_token(91);
    t.readOnly_ = rdonly; {if (true) return t;}
    throw new Error("Missing return statement in function");
  }

// LockMode ::= ROW SHARE | ROW EXCLUSIVE
//   | SHARE [UPDATE | ROW EXCLUSIVE]
//   | EXCLUSIVE
  final public String LockMode() throws ParseException {
  StringBuffer b = new StringBuffer();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_ROW:
      jj_consume_token(K_ROW);
            b.append("ROW ");
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_SHARE:
        jj_consume_token(K_SHARE);
               b.append("SHARE");
        break;
      case K_EXCLUSIVE:
        jj_consume_token(K_EXCLUSIVE);
                                                    b.append("EXCLUSIVE");
        break;
      default:
        jj_la1[14] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
     {if (true) return b.toString();}
      break;
    case K_SHARE:
      jj_consume_token(K_SHARE);
              b.append("SHARE");
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_ROW:
      case K_UPDATE:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_UPDATE:
          jj_consume_token(K_UPDATE);
                b.append(" UPDATE");
          break;
        case K_ROW:
          jj_consume_token(K_ROW);
          jj_consume_token(K_EXCLUSIVE);
                             b.append(" ROW EXCLUSIVE");
          break;
        default:
          jj_la1[15] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      default:
        jj_la1[16] = jj_gen;
        ;
      }
     {if (true) return b.toString();}
      break;
    case K_EXCLUSIVE:
      jj_consume_token(K_EXCLUSIVE);
                   {if (true) return new String("EXCLUSIVE");}
      break;
    default:
      jj_la1[17] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// UpdateStatement ::=
//   UPDATE TableReference SET ColumnValues [WHERE SQLExpression]
  final public ZUpdate UpdateStatement() throws ParseException {
  ZUpdate u;
  ZExp e;
  Hashtable t;
  String s;
  Token tk;
    jj_consume_token(K_UPDATE);
    s = TableReference();
                                  u = new ZUpdate(s);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case S_IDENTIFIER:
      tk = jj_consume_token(S_IDENTIFIER);
                          u.setAlias(tk.toString());
      break;
    default:
      jj_la1[18] = jj_gen;
      ;
    }
    jj_consume_token(K_SET);
    ColumnValues(u);

    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_WHERE:
      jj_consume_token(K_WHERE);
      e = SQLExpression();
                                  u.addWhere(e);
      break;
    default:
      jj_la1[19] = jj_gen;
      ;
    }
    jj_consume_token(91);
    {if (true) return u;}
    throw new Error("Missing return statement in function");
  }

// ColumnValues ::= TableColumn = UpdatedValue (, TableColumn = UpdatedValue)*
  final public void ColumnValues(ZUpdate u) throws ParseException {
  String key;
  ZExp val;
    key = TableColumn();
    jj_consume_token(92);
    val = UpdatedValue();
                                                 u.addColumnUpdate(key, val);
    label_3:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 89:
        ;
        break;
      default:
        jj_la1[20] = jj_gen;
        break label_3;
      }
      jj_consume_token(89);
      key = TableColumn();
      jj_consume_token(92);
      val = UpdatedValue();
      u.addColumnUpdate(key, val);
    }

  }

// UpdatedValue ::= ( SelectStatement ) | SQLExpression
  final public ZExp UpdatedValue() throws ParseException {
  ZExp e;
    if (jj_2_1(2147483647)) {
      jj_consume_token(88);
      e = SelectStatement();
      jj_consume_token(90);
                                  {if (true) return e;}
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_AVG:
      case K_COUNT:
      case K_EXISTS:
      case K_MAX:
      case K_MIN:
      case K_NOT:
      case K_NULL:
      case K_PRIOR:
      case K_SUM:
      case S_NUMBER:
      case S_IDENTIFIER:
      case S_BIND:
      case S_CHAR_LITERAL:
      case S_QUOTED_IDENTIFIER:
      case 88:
      case 101:
      case 102:
        e = SQLExpression();
                        {if (true) return e;}
        break;
      case 105:
        e = PreparedCol();
                      {if (true) return e;}
        break;
      default:
        jj_la1[21] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    throw new Error("Missing return statement in function");
  }

// InsertStatement ::= INSERT INTO TableReference
//   [ "(" TableColumn (, TableColumn)* ")" ]
//   ValueSpec | SelectStatement
// ValueSpec ::= VALUES ( SQLExpressionList )
  final public ZInsert InsertStatement() throws ParseException {
  ZInsert ins;
  String s;
  Vector v;
  ZQuery q;
    jj_consume_token(K_INSERT);
    jj_consume_token(K_INTO);
    s = TableReference();
                                         ins = new ZInsert(s);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 88:
      jj_consume_token(88);
      s = TableColumn();
                            v = new Vector(); v.addElement(s);
      label_4:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case 89:
          ;
          break;
        default:
          jj_la1[22] = jj_gen;
          break label_4;
        }
        jj_consume_token(89);
        s = TableColumn();
                             v.addElement(s);
      }
      jj_consume_token(90);
                                                         ins.addColumns(v);
      break;
    default:
      jj_la1[23] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_VALUES:
      jj_consume_token(K_VALUES);
      jj_consume_token(88);
      Vector v2 = SQLExpressionList();
      jj_consume_token(90);
       ZExpression e = new ZExpression(",");
       e.setOperands(v2); ins.addValueSpec(e);
      break;
    case K_SELECT:
      q = SelectStatement();
                             ins.addValueSpec(q);
      break;
    default:
      jj_la1[24] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    jj_consume_token(91);
         {if (true) return ins;}
    throw new Error("Missing return statement in function");
  }

// DeleteStatement ::= DELETE [FROM] TableReference [WHERE SQLExpression]
  final public ZDelete DeleteStatement() throws ParseException {
  ZDelete d;
  ZExp e;
  String s;
    jj_consume_token(K_DELETE);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_FROM:
      jj_consume_token(K_FROM);
      break;
    default:
      jj_la1[25] = jj_gen;
      ;
    }
    s = TableReference();
                                             d = new ZDelete(s);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_WHERE:
      jj_consume_token(K_WHERE);
      e = SQLExpression();
                                   d.addWhere(e);
      break;
    default:
      jj_la1[26] = jj_gen;
      ;
    }
    jj_consume_token(91);
      {if (true) return d;}
    throw new Error("Missing return statement in function");
  }

// QueryStatement ::= SelectStatement
  final public ZQuery QueryStatement() throws ParseException {
  ZQuery q;
    q = SelectStatement();
    jj_consume_token(91);
                                {if (true) return q;}
    throw new Error("Missing return statement in function");
  }

/* ---------------- General Productions --------------------- */
  final public String TableColumn() throws ParseException {
  StringBuffer buf = new StringBuffer();
  String s;
    // user.table.column
        s = OracleObjectName();
                             buf.append(s);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 93:
      jj_consume_token(93);
      s = OracleObjectName();
                                   buf.append("." + s);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 93:
        jj_consume_token(93);
        s = OracleObjectName();
                                   buf.append("." + s);
        break;
      default:
        jj_la1[27] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[28] = jj_gen;
      ;
    }
      {if (true) return buf.toString();}
    throw new Error("Missing return statement in function");
  }

  final public String OracleObjectName() throws ParseException {
  Token t;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case S_IDENTIFIER:
      t = jj_consume_token(S_IDENTIFIER);
                         {if (true) return t.toString();}
      break;
    case S_QUOTED_IDENTIFIER:
      t = jj_consume_token(S_QUOTED_IDENTIFIER);
                                                                              {if (true) return t.toString();}
      break;
    default:
      jj_la1[29] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public String Relop() throws ParseException {
  Token op;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 92:
      op = jj_consume_token(92);
               {if (true) return op.toString();}
      break;
    case 94:
      op = jj_consume_token(94);
               {if (true) return op.toString();}
      break;
    case 95:
      op = jj_consume_token(95);
               {if (true) return op.toString();}
      break;
    case 96:
      op = jj_consume_token(96);
               {if (true) return op.toString();}
      break;
    case 97:
      op = jj_consume_token(97);
               {if (true) return op.toString();}
      break;
    case 98:
      op = jj_consume_token(98);
               {if (true) return op.toString();}
      break;
    case 99:
      op = jj_consume_token(99);
               {if (true) return op.toString();}
      break;
    case 100:
      op = jj_consume_token(100);
               {if (true) return op.toString();}
      break;
    default:
      jj_la1[30] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// TableReference ::= OracleObjectName[.OracleObjectName]
  final public String TableReference() throws ParseException {
  StringBuffer buf = new StringBuffer();
  String s;
    s = OracleObjectName();
                             buf.append(s);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 93:
      jj_consume_token(93);
      s = OracleObjectName();
                                  buf.append("." + s);
      break;
    default:
      jj_la1[31] = jj_gen;
      ;
    }
      {if (true) return buf.toString();}
    throw new Error("Missing return statement in function");
  }

  final public void NumOrID() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case S_IDENTIFIER:
      jj_consume_token(S_IDENTIFIER);
      break;
    case S_NUMBER:
    case 101:
    case 102:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 101:
      case 102:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case 101:
          jj_consume_token(101);
          break;
        case 102:
          jj_consume_token(102);
          break;
        default:
          jj_la1[32] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      default:
        jj_la1[33] = jj_gen;
        ;
      }
      jj_consume_token(S_NUMBER);
      break;
    default:
      jj_la1[34] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

/* --------------- General Productions ends here --------------- */

/* ----------- SQL productions start here ----------------- */
  final public ZQuery SelectStatement() throws ParseException {
  ZQuery q;
  Vector v;
    q = SelectWithoutOrder();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_ORDER:
      v = OrderByClause();
                          q.addOrderBy(v);
      break;
    default:
      jj_la1[35] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_FOR:
      ForUpdateClause();
                        q.forupdate_ = true;
      break;
    default:
      jj_la1[36] = jj_gen;
      ;
    }
    {if (true) return q;}
    throw new Error("Missing return statement in function");
  }

  final public ZQuery SelectWithoutOrder() throws ParseException {
  ZQuery q = new ZQuery();
  Vector select;
  Vector from;
  ZExp where = null;
  ZGroupBy groupby = null;
  ZExpression setclause = null;
    jj_consume_token(K_SELECT);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_ALL:
    case K_DISTINCT:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_ALL:
        jj_consume_token(K_ALL);
        break;
      case K_DISTINCT:
        jj_consume_token(K_DISTINCT);
                                  q.distinct_ = true;
        break;
      default:
        jj_la1[37] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[38] = jj_gen;
      ;
    }
    select = SelectList();
    from = FromClause();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_WHERE:
      where = WhereClause();
      break;
    default:
      jj_la1[39] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_CONNECT:
    case K_START:
      ConnectClause();
      break;
    default:
      jj_la1[40] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_GROUP:
      groupby = GroupByClause();
      break;
    default:
      jj_la1[41] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_INTERSECT:
    case K_MINUS:
    case K_UNION:
      setclause = SetClause();
      break;
    default:
      jj_la1[42] = jj_gen;
      ;
    }
    q.addSelect(select);
    q.addFrom(from);
    q.addWhere(where);
    q.addGroupBy(groupby);
    q.addSet(setclause);

    {if (true) return q;}
    throw new Error("Missing return statement in function");
  }

/* Checks for whatever follows  SELECT */

// SelectList ::= * | COUNT(*) | SelectItem (, SelectItem)*
// 18/10/01 PY. Gibello - Removed "COUNT(*)" from here
// COUNT is an aggregate, like AVG...
  final public Vector SelectList() throws ParseException {
  Vector v = new Vector(8);
  ZSelectItem elem;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 103:
      jj_consume_token(103);
        v.addElement(new ZSelectItem("*")); {if (true) return v;}
      break;
    case K_AVG:
    case K_COUNT:
    case K_MAX:
    case K_MIN:
    case K_NULL:
    case K_SUM:
    case S_NUMBER:
    case S_IDENTIFIER:
    case S_BIND:
    case S_CHAR_LITERAL:
    case S_QUOTED_IDENTIFIER:
    case 88:
    case 101:
    case 102:
      elem = SelectItem();
                          v.addElement(elem);
      label_5:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case 89:
          ;
          break;
        default:
          jj_la1[43] = jj_gen;
          break label_5;
        }
        jj_consume_token(89);
        elem = SelectItem();
                               v.addElement(elem);
      }
                                                          {if (true) return v;}
      break;
    default:
      jj_la1[44] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// 01/07/00 PY. Gibello - Added LOOKAHEAD(3) before COUNT
// Due to a fix in AggregateFunc (COUNT added) that made the grammar ambiguous
// 18/10/01 PY. Gibello - Removed "COUNT(*)" from here (see aggregate funcs)

// SelectItem() ::= SelectStar | SQLSimpleExpression() [SelectAlias]
  final public ZSelectItem SelectItem() throws ParseException {
  String s;
  ZSelectItem it;
  ZExp e;
    if (jj_2_2(2147483647)) {
      s = SelectStar();
                                               {if (true) return new ZSelectItem(s);}
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_AVG:
      case K_COUNT:
      case K_MAX:
      case K_MIN:
      case K_NULL:
      case K_SUM:
      case S_NUMBER:
      case S_IDENTIFIER:
      case S_BIND:
      case S_CHAR_LITERAL:
      case S_QUOTED_IDENTIFIER:
      case 88:
      case 101:
      case 102:
        e = SQLSimpleExpression();
      //PY.Gibello 21 Apr 2001 - added e.toString() as arg
      it = new ZSelectItem(e.toString());
      it.setExpression(e);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_AS:
        case S_IDENTIFIER:
        case S_QUOTED_IDENTIFIER:
          s = SelectAlias();
                         it.setAlias(s);
          break;
        default:
          jj_la1[45] = jj_gen;
          ;
        }
      {if (true) return it;}
        break;
      default:
        jj_la1[46] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    throw new Error("Missing return statement in function");
  }

// SelectAlias ::= ()+
  final public String SelectAlias() throws ParseException {
  Token tk;
  StringBuffer b = null;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_AS:
      jj_consume_token(K_AS);
      break;
    default:
      jj_la1[47] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case S_QUOTED_IDENTIFIER:
      tk = jj_consume_token(S_QUOTED_IDENTIFIER);
                                          {if (true) return tk.toString().trim();}
      break;
    case S_IDENTIFIER:
      label_6:
      while (true) {
        tk = jj_consume_token(S_IDENTIFIER);
        if(b == null) b = new StringBuffer(tk.toString().trim());
        else b.append(" " + tk.toString().trim());
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case S_IDENTIFIER:
          ;
          break;
        default:
          jj_la1[48] = jj_gen;
          break label_6;
        }
      }
      break;
    default:
      jj_la1[49] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    {if (true) return b.toString().trim();}
    throw new Error("Missing return statement in function");
  }

// SelectStar() ::= OracleObjectName()".*" |
//               OracleObjectName()"." OracleObjectName() ".*"
  final public String SelectStar() throws ParseException {
  String s, s2;
    if (jj_2_3(2)) {
      s = OracleObjectName();
      jj_consume_token(104);
                               {if (true) return new String(s + ".*");}
    } else if (jj_2_4(4)) {
      s = OracleObjectName();
      jj_consume_token(93);
      s2 = OracleObjectName();
      jj_consume_token(104);
    {if (true) return new String(s + "." + s2 + ".*");}
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// FromClause ::= FromItem (, FromItem)*
  final public Vector FromClause() throws ParseException {
  Vector v = new Vector(8);
  ZFromItem f;
    jj_consume_token(K_FROM);
    f = FromItem();
                            v.addElement(f);
    label_7:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 89:
        ;
        break;
      default:
        jj_la1[50] = jj_gen;
        break label_7;
      }
      jj_consume_token(89);
      f = FromItem();
                           v.addElement(f);
    }
      {if (true) return v;}
    throw new Error("Missing return statement in function");
  }

// FromItem ::= TableReference [alias]
  final public ZFromItem FromItem() throws ParseException {
  ZFromItem f;
  String s;
  Token tk;
    s = TableReference();
                         f = new ZFromItem(s);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case S_IDENTIFIER:
      tk = jj_consume_token(S_IDENTIFIER);
                          f.setAlias(tk.toString());
      break;
    default:
      jj_la1[51] = jj_gen;
      ;
    }
    {if (true) return f;}
    throw new Error("Missing return statement in function");
  }

  final public ZExp WhereClause() throws ParseException {
  ZExp e;
    jj_consume_token(K_WHERE);
    e = SQLExpression();
                                  {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public void ConnectClause() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_START:
      jj_consume_token(K_START);
      jj_consume_token(K_WITH);
      SQLExpression();
      break;
    default:
      jj_la1[52] = jj_gen;
      ;
    }
    jj_consume_token(K_CONNECT);
    jj_consume_token(K_BY);
    SQLExpression();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_START:
      jj_consume_token(K_START);
      jj_consume_token(K_WITH);
      SQLExpression();
      break;
    default:
      jj_la1[53] = jj_gen;
      ;
    }
  }

  final public ZGroupBy GroupByClause() throws ParseException {
  ZGroupBy g = null;
  Vector v;
  ZExp e;
    jj_consume_token(K_GROUP);
    jj_consume_token(K_BY);
    v = SQLExpressionList();
                                         g = new ZGroupBy(v);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_HAVING:
      jj_consume_token(K_HAVING);
      e = SQLExpression();
                                  g.setHaving(e);
      break;
    default:
      jj_la1[54] = jj_gen;
      ;
    }
    {if (true) return g;}
    throw new Error("Missing return statement in function");
  }

// SetClause ::= UNION [ALL] Qry | INTERSECT Qry | MINUS Qry
// Qry ::= SelectWithoutOrder | ( SelectWithoutOrder )
  final public ZExpression SetClause() throws ParseException {
  ZExpression e;
  ZQuery q;
  Token t;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_UNION:
      t = jj_consume_token(K_UNION);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_ALL:
        jj_consume_token(K_ALL);
        break;
      default:
        jj_la1[55] = jj_gen;
        ;
      }
      break;
    case K_INTERSECT:
      t = jj_consume_token(K_INTERSECT);
      break;
    case K_MINUS:
      t = jj_consume_token(K_MINUS);
      break;
    default:
      jj_la1[56] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    e = new ZExpression(t.toString());
    if (jj_2_5(2147483647)) {
      jj_consume_token(88);
      q = SelectWithoutOrder();
                                                  e.addOperand(q);
      jj_consume_token(90);
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_SELECT:
        q = SelectWithoutOrder();
                                   e.addOperand(q);
        break;
      default:
        jj_la1[57] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public Vector OrderByClause() throws ParseException {
  Vector v = new Vector();
  ZExp e;
  ZOrderBy ob;
    jj_consume_token(K_ORDER);
    jj_consume_token(K_BY);
    e = SQLSimpleExpression();
                                             ob = new ZOrderBy(e);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_ASC:
    case K_DESC:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_ASC:
        jj_consume_token(K_ASC);
        break;
      case K_DESC:
        jj_consume_token(K_DESC);
                      ob.setAscOrder(false);
        break;
      default:
        jj_la1[58] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[59] = jj_gen;
      ;
    }
                                                  v.addElement(ob);
    label_8:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 89:
        ;
        break;
      default:
        jj_la1[60] = jj_gen;
        break label_8;
      }
      jj_consume_token(89);
      e = SQLSimpleExpression();
                                     ob = new ZOrderBy(e);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_ASC:
      case K_DESC:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_ASC:
          jj_consume_token(K_ASC);
          break;
        case K_DESC:
          jj_consume_token(K_DESC);
                       ob.setAscOrder(false);
          break;
        default:
          jj_la1[61] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      default:
        jj_la1[62] = jj_gen;
        ;
      }
                                                   v.addElement(ob);
    }
      {if (true) return v;}
    throw new Error("Missing return statement in function");
  }

  final public void ForUpdateClause() throws ParseException {
    jj_consume_token(K_FOR);
    jj_consume_token(K_UPDATE);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_OF:
      jj_consume_token(K_OF);
      TableColumn();
      label_9:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case 89:
          ;
          break;
        default:
          jj_la1[63] = jj_gen;
          break label_9;
        }
        jj_consume_token(89);
        TableColumn();
      }
      break;
    default:
      jj_la1[64] = jj_gen;
      ;
    }
  }

  final public ZExp SQLExpression() throws ParseException {
  ZExp e1, e2;
  ZExpression e = null;
  boolean single = true;
    e1 = SQLAndExpression();
    label_10:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_OR:
        ;
        break;
      default:
        jj_la1[65] = jj_gen;
        break label_10;
      }
      jj_consume_token(K_OR);
      e2 = SQLAndExpression();
      if(single) { e = new ZExpression("OR", e1); }
      single=false;
      e.addOperand(e2);
    }
      {if (true) return (single ? e1 : e);}
    throw new Error("Missing return statement in function");
  }

  final public ZExp SQLAndExpression() throws ParseException {
  ZExp e1, e2;
  ZExpression e = null;
  boolean single = true;
    e1 = SQLUnaryLogicalExpression();
    label_11:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_AND:
        ;
        break;
      default:
        jj_la1[66] = jj_gen;
        break label_11;
      }
      jj_consume_token(K_AND);
      e2 = SQLUnaryLogicalExpression();
      if(single) { e = new ZExpression("AND", e1); }
      single=false;
      e.addOperand(e2);
    }
      {if (true) return (single ? e1 : e);}
    throw new Error("Missing return statement in function");
  }

  final public ZExp SQLUnaryLogicalExpression() throws ParseException {
  ZExp e1, e;
  boolean not = false;
    if (jj_2_6(2)) {
      e = ExistsClause();
                                      {if (true) return e;}
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_AVG:
      case K_COUNT:
      case K_MAX:
      case K_MIN:
      case K_NOT:
      case K_NULL:
      case K_PRIOR:
      case K_SUM:
      case S_NUMBER:
      case S_IDENTIFIER:
      case S_BIND:
      case S_CHAR_LITERAL:
      case S_QUOTED_IDENTIFIER:
      case 88:
      case 101:
      case 102:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_NOT:
          jj_consume_token(K_NOT);
               not = true;
          break;
        default:
          jj_la1[67] = jj_gen;
          ;
        }
        e1 = SQLRelationalExpression();
       if(not) e = new ZExpression("NOT", e1);
       else e = e1;
       {if (true) return e;}
        break;
      default:
        jj_la1[68] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    throw new Error("Missing return statement in function");
  }

  final public ZExpression ExistsClause() throws ParseException {
  ZExpression e;
  ZQuery q;
  boolean not = false;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOT:
      jj_consume_token(K_NOT);
             not = true;
      break;
    default:
      jj_la1[69] = jj_gen;
      ;
    }
    jj_consume_token(K_EXISTS);
    jj_consume_token(88);
    q = SubQuery();
    jj_consume_token(90);
      ZExpression e1 = new ZExpression("EXISTS", q);
      if(not) e = new ZExpression("NOT", e1);
      else e = e1;
      {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

// SQLRelationalExpression ::=
//    ( [PRIOR] SQLSimpleExpression | SQLExpressionList )
//    ( SQLRelationalOperatorExpression
//      | SQLInClause | SQLBetweenClause | SQLLikeClause | IsNullClause )?
  final public ZExp SQLRelationalExpression() throws ParseException {
  ZExp e1, eleft;
  ZExpression eright = null;
  Vector v;
  boolean prior = false;
    if (jj_2_7(2147483647)) {
      jj_consume_token(88);
      v = SQLExpressionList();
      jj_consume_token(90);
       eleft = new ZExpression(",");
       ((ZExpression)eleft).setOperands(v);
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_AVG:
      case K_COUNT:
      case K_MAX:
      case K_MIN:
      case K_NULL:
      case K_PRIOR:
      case K_SUM:
      case S_NUMBER:
      case S_IDENTIFIER:
      case S_BIND:
      case S_CHAR_LITERAL:
      case S_QUOTED_IDENTIFIER:
      case 88:
      case 101:
      case 102:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_PRIOR:
          jj_consume_token(K_PRIOR);
                 prior = true;
          break;
        default:
          jj_la1[70] = jj_gen;
          ;
        }
        e1 = SQLSimpleExpression();
        if(prior) eleft = new ZExpression("PRIOR", e1);
        else eleft = e1;
        break;
      default:
        jj_la1[71] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_BETWEEN:
    case K_IN:
    case K_IS:
    case K_LIKE:
    case K_NOT:
    case 92:
    case 94:
    case 95:
    case 96:
    case 97:
    case 98:
    case 99:
    case 100:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 92:
      case 94:
      case 95:
      case 96:
      case 97:
      case 98:
      case 99:
      case 100:
        eright = SQLRelationalOperatorExpression();
        break;
      default:
        jj_la1[72] = jj_gen;
        if (jj_2_8(2)) {
          eright = SQLInClause();
        } else if (jj_2_9(2)) {
          eright = SQLBetweenClause();
        } else if (jj_2_10(2)) {
          eright = SQLLikeClause();
        } else {
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case K_IS:
            eright = IsNullClause();
            break;
          default:
            jj_la1[73] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
        }
      }
      break;
    default:
      jj_la1[74] = jj_gen;
      ;
    }
     if(eright == null) {if (true) return eleft;}
     Vector v2 = eright.getOperands();
     if(v2 == null) v2 = new Vector(); //For IS NULL, which is unary!
     v2.insertElementAt(eleft, 0);
     eright.setOperands(v2);
     {if (true) return eright;}
    throw new Error("Missing return statement in function");
  }

  final public Vector SQLExpressionList() throws ParseException {
  Vector v = new Vector(8);
  ZExp e;
    e = SQLSimpleExpressionOrPreparedCol();
                                             v.addElement(e);
    label_12:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 89:
        ;
        break;
      default:
        jj_la1[75] = jj_gen;
        break label_12;
      }
      jj_consume_token(89);
      e = SQLSimpleExpressionOrPreparedCol();
                                                  v.addElement(e);
    }
      {if (true) return v;}
    throw new Error("Missing return statement in function");
  }

  final public ZExpression SQLRelationalOperatorExpression() throws ParseException {
  ZExpression e;
  ZExp e1, eright;
  String op;
  String unaryOp = null;
    op = Relop();
                   e = new ZExpression(op);
    if (jj_2_11(2147483647)) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_ALL:
      case K_ANY:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_ALL:
          jj_consume_token(K_ALL);
                  unaryOp = "ALL";
          break;
        case K_ANY:
          jj_consume_token(K_ANY);
                                               unaryOp = "ANY";
          break;
        default:
          jj_la1[76] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      default:
        jj_la1[77] = jj_gen;
        ;
      }
      jj_consume_token(88);
      e1 = SubQuery();
      jj_consume_token(90);
            if(unaryOp == null) eright = e1;
            else eright = new ZExpression(unaryOp, e1);
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case K_AVG:
      case K_COUNT:
      case K_MAX:
      case K_MIN:
      case K_NULL:
      case K_PRIOR:
      case K_SUM:
      case S_NUMBER:
      case S_IDENTIFIER:
      case S_BIND:
      case S_CHAR_LITERAL:
      case S_QUOTED_IDENTIFIER:
      case 88:
      case 101:
      case 102:
      case 105:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_PRIOR:
          jj_consume_token(K_PRIOR);
                   unaryOp = "PRIOR";
          break;
        default:
          jj_la1[78] = jj_gen;
          ;
        }
        e1 = SQLSimpleExpressionOrPreparedCol();
          if(unaryOp == null) eright = e1;
          else eright = new ZExpression(unaryOp, e1);
        break;
      default:
        jj_la1[79] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
      e.addOperand(eright); {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public ZExp SQLSimpleExpressionOrPreparedCol() throws ParseException {
  ZExp e;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_AVG:
    case K_COUNT:
    case K_MAX:
    case K_MIN:
    case K_NULL:
    case K_SUM:
    case S_NUMBER:
    case S_IDENTIFIER:
    case S_BIND:
    case S_CHAR_LITERAL:
    case S_QUOTED_IDENTIFIER:
    case 88:
    case 101:
    case 102:
      e = SQLSimpleExpression();
                               {if (true) return e;}
      break;
    case 105:
      e = PreparedCol();
                       {if (true) return e;}
      break;
    default:
      jj_la1[80] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// For prepared columns ("?")
  final public ZExp PreparedCol() throws ParseException {
    jj_consume_token(105);
        {if (true) return new ZExpression("?");}
    throw new Error("Missing return statement in function");
  }

  final public ZExpression SQLInClause() throws ParseException {
  ZExpression e;
  ZQuery q;
  boolean not = false;
  Vector v;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOT:
      jj_consume_token(K_NOT);
           not = true;
      break;
    default:
      jj_la1[81] = jj_gen;
      ;
    }
    jj_consume_token(K_IN);
         e = new ZExpression(not ? "NOT IN" : "IN");
    jj_consume_token(88);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_AVG:
    case K_COUNT:
    case K_MAX:
    case K_MIN:
    case K_NULL:
    case K_SUM:
    case S_NUMBER:
    case S_IDENTIFIER:
    case S_BIND:
    case S_CHAR_LITERAL:
    case S_QUOTED_IDENTIFIER:
    case 88:
    case 101:
    case 102:
    case 105:
      v = SQLExpressionList();
                                 e.setOperands(v);
      break;
    case K_SELECT:
      q = SubQuery();
                      e.addOperand(q);
      break;
    default:
      jj_la1[82] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    jj_consume_token(90);
    {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public ZExpression SQLBetweenClause() throws ParseException {
  ZExpression e;
  ZExp  e1, e2;
  boolean not = false;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOT:
      jj_consume_token(K_NOT);
           not = true;
      break;
    default:
      jj_la1[83] = jj_gen;
      ;
    }
    jj_consume_token(K_BETWEEN);
    e1 = SQLSimpleExpressionOrPreparedCol();
    jj_consume_token(K_AND);
    e2 = SQLSimpleExpressionOrPreparedCol();
    if(not) e = new ZExpression("NOT BETWEEN", e1, e2);
    else e = new ZExpression("BETWEEN", e1, e2);
    {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public ZExpression SQLLikeClause() throws ParseException {
  ZExp eright;
  ZExpression e;
  boolean not = false;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOT:
      jj_consume_token(K_NOT);
           not = true;
      break;
    default:
      jj_la1[84] = jj_gen;
      ;
    }
    jj_consume_token(K_LIKE);
    eright = SQLSimpleExpressionOrPreparedCol();
    if(not) e = new ZExpression("NOT LIKE", eright);
    else e = new ZExpression("LIKE", eright);
    {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public ZExpression IsNullClause() throws ParseException {
  boolean not = false;
    jj_consume_token(K_IS);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOT:
      jj_consume_token(K_NOT);
                not = true;
      break;
    default:
      jj_la1[85] = jj_gen;
      ;
    }
    jj_consume_token(K_NULL);
    {if (true) return(not ? new ZExpression("IS NOT NULL") : new ZExpression("IS NULL"));}
    throw new Error("Missing return statement in function");
  }

// SQLSimpleExpression
//    ::= SQLMultiplicativeExpression (OP SQLMultiplicativeExpression)*
// OP ::= + | - | "||"
  final public ZExp SQLSimpleExpression() throws ParseException {
  Token op;
  ZExp e1, e2;
  ZExpression e = null;
    e1 = SQLMultiplicativeExpression();
    label_13:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 101:
      case 102:
      case 106:
        ;
        break;
      default:
        jj_la1[86] = jj_gen;
        break label_13;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 101:
        op = jj_consume_token(101);
        break;
      case 102:
        op = jj_consume_token(102);
        break;
      case 106:
        op = jj_consume_token(106);
        break;
      default:
        jj_la1[87] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      e2 = SQLMultiplicativeExpression();
      e = new ZExpression(op.toString(), e1);
      e.addOperand(e2);
      e1 = e;
    }
      {if (true) return e1;}
    throw new Error("Missing return statement in function");
  }

// SQLMultiplicativeExpression
//    ::= SQLExpotentExpression (OP SQLExpotentExpression)*
// OP ::= * | /
  final public ZExp SQLMultiplicativeExpression() throws ParseException {
  Token op;
  ZExp e1, e2;
  ZExpression e = null;
    e1 = SQLExpotentExpression();
    label_14:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 103:
      case 107:
        ;
        break;
      default:
        jj_la1[88] = jj_gen;
        break label_14;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 103:
        op = jj_consume_token(103);
        break;
      case 107:
        op = jj_consume_token(107);
        break;
      default:
        jj_la1[89] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      e2 = SQLExpotentExpression();
      e = new ZExpression(op.toString(), e1);
      e.addOperand(e2);
      e1 = e;
    }
      {if (true) return e1;}
    throw new Error("Missing return statement in function");
  }

// SQLExpotentExpression ::= SQLUnaryExpression (** SQLUnaryExpression)*
  final public ZExp SQLExpotentExpression() throws ParseException {
  Token op;
  ZExp e1, e2;
  ZExpression e = null;
  boolean single = true;
    e1 = SQLUnaryExpression();
    label_15:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 108:
        ;
        break;
      default:
        jj_la1[90] = jj_gen;
        break label_15;
      }
      op = jj_consume_token(108);
      e2 = SQLUnaryExpression();
      if(single) e = new ZExpression(op.toString(), e1);
      single = false;
      e.addOperand(e2);
    }
      {if (true) return (single ? e1 : e);}
    throw new Error("Missing return statement in function");
  }

// SQLUnaryExpression ::= [+|-] SQLPrimaryExpression
  final public ZExp SQLUnaryExpression() throws ParseException {
  Token op = null;
  ZExp e1, e;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 101:
    case 102:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 101:
        op = jj_consume_token(101);
        break;
      case 102:
        op = jj_consume_token(102);
        break;
      default:
        jj_la1[91] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[92] = jj_gen;
      ;
    }
    e1 = SQLPrimaryExpression();
    if(op == null) e = e1;
    else e = new ZExpression(op.toString(), e1);
    {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

// 01/07/00 PY.Gibello - Added COUNT(*) to SQLPrimaryExpression
// TBD should be ZConstant("COUNT(*)", ZConstant.STRING))
// instead of ZConstant("*", ZConstant.COLUMNNAME) ??
// 01/06/02 PY.Gibello - Added ALL | DISTINCT (then the column name
// starts with "all " or "distinct " when required, which may not be the
// fairest solution...)

// SQLPrimaryExpression ::= NULL | OuterJoinExpression
//   | AggregateFunc ( [ ALL | DISTINCT ] TableColumn ) | TableColumn
//   | COUNT(*)
//   |  |  | 
  final public ZExp SQLPrimaryExpression() throws ParseException {
  Token t;
  String s, s2, modifier="";
  ZExp e;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NULL:
      jj_consume_token(K_NULL);
           {if (true) return new ZConstant("NULL", ZConstant.NULL);}
      break;
    default:
      jj_la1[94] = jj_gen;
      if (jj_2_12(2147483647)) {
        s = OuterJoinExpression();
     {if (true) return new ZConstant(s, ZConstant.COLUMNNAME);}
     //return new ZExpression("_NOT_SUPPORTED"); //TBD

      } else if (jj_2_13(3)) {
        jj_consume_token(K_COUNT);
        jj_consume_token(88);
        jj_consume_token(103);
        jj_consume_token(90);
     {if (true) return new ZExpression("COUNT",
      new ZConstant("*", ZConstant.COLUMNNAME));}
      } else if (jj_2_14(3)) {
        s = AggregateFunc();
        jj_consume_token(88);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case K_ALL:
          jj_consume_token(K_ALL);
             modifier="all ";
          break;
        case K_DISTINCT:
          jj_consume_token(K_DISTINCT);
                                               modifier="distinct ";
          break;
        default:
          jj_la1[93] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        s2 = TableColumn();
        jj_consume_token(90);
       {if (true) return new ZExpression(s, new ZConstant(modifier + s2, ZConstant.COLUMNNAME));}
      } else if (jj_2_15(2)) {
        e = FunctionCall();
                                     {if (true) return e;}
      } else {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case S_IDENTIFIER:
        case S_QUOTED_IDENTIFIER:
          s = TableColumn();
                       {if (true) return new ZConstant(s, ZConstant.COLUMNNAME);}
          break;
        case S_NUMBER:
          t = jj_consume_token(S_NUMBER);
                    {if (true) return new ZConstant(t.toString(), ZConstant.NUMBER);}
          break;
        case S_CHAR_LITERAL:
          t = jj_consume_token(S_CHAR_LITERAL);
     s = t.toString();
     if(s.startsWith("\'")) s = s.substring(1);
     if(s.endsWith("\'")) s = s.substring(0, s.length()-1);
     {if (true) return new ZConstant(s, ZConstant.STRING);}
          break;
        case S_BIND:
          t = jj_consume_token(S_BIND);
                  {if (true) return new ZConstant(t.toString(), ZConstant.STRING);}
          break;
        case 88:
          jj_consume_token(88);
          e = SQLExpression();
          jj_consume_token(90);
                                 {if (true) return e;}
          break;
        default:
          jj_la1[95] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
      }
    }
    throw new Error("Missing return statement in function");
  }

// AggregateFunc ::= SUM | AVG | MAX | MIN | COUNT
// 01/07/00 PY.Gibello - Added COUNT
  final public String AggregateFunc() throws ParseException {
  Token t;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_SUM:
      t = jj_consume_token(K_SUM);
              {if (true) return t.toString();}
      break;
    case K_AVG:
      t = jj_consume_token(K_AVG);
              {if (true) return t.toString();}
      break;
    case K_MAX:
      t = jj_consume_token(K_MAX);
              {if (true) return t.toString();}
      break;
    case K_MIN:
      t = jj_consume_token(K_MIN);
              {if (true) return t.toString();}
      break;
    case K_COUNT:
      t = jj_consume_token(K_COUNT);
                {if (true) return t.toString();}
      break;
    default:
      jj_la1[96] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public ZExpression FunctionCall() throws ParseException {
  Token t;
  String s;
  ZExpression e;
  Vector parm = null;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case S_IDENTIFIER:
      t = jj_consume_token(S_IDENTIFIER);
                        s = t.toString();
      break;
    case K_AVG:
    case K_COUNT:
    case K_MAX:
    case K_MIN:
    case K_SUM:
      s = AggregateFunc();
      break;
    default:
      jj_la1[97] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    jj_consume_token(88);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_AVG:
    case K_COUNT:
    case K_MAX:
    case K_MIN:
    case K_NULL:
    case K_SUM:
    case S_NUMBER:
    case S_IDENTIFIER:
    case S_BIND:
    case S_CHAR_LITERAL:
    case S_QUOTED_IDENTIFIER:
    case 88:
    case 101:
    case 102:
    case 105:
      parm = SQLExpressionList();
      break;
    default:
      jj_la1[98] = jj_gen;
      ;
    }
    jj_consume_token(90);
    int nparm = ZUtils.isCustomFunction(s);
    if(nparm < 0) nparm = (ZUtils.isAggregate(s) ? 1 : -1);
    if(nparm < 0)
      {if (true) throw new ParseException("Undefined function: " + s);}
    if(nparm != ZUtils.VARIABLE_PLIST && nparm > 0) {
      if(parm == null || parm.size() != nparm)
        {if (true) throw new ParseException("Function " + s + " should have "
         + nparm + " parameter(s)");}
    }

    e = new ZExpression(s);
    e.setOperands(parm);
    {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final public String OuterJoinExpression() throws ParseException {
  String s = null;
  String c = "";
    // user.table.col
        s = OracleObjectName();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 93:
      jj_consume_token(93);
      c = OracleObjectName();
                                    s += "." + c;
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 93:
        jj_consume_token(93);
        c = OracleObjectName();
                                    s += "." + c;
        break;
      default:
        jj_la1[99] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[100] = jj_gen;
      ;
    }
    jj_consume_token(88);
    jj_consume_token(101);
    jj_consume_token(90);
      {if (true) return s + "(+)";}
    throw new Error("Missing return statement in function");
  }

  final public ZQuery SubQuery() throws ParseException {
  ZQuery q;
    q = SelectWithoutOrder();
                             {if (true) return q;}
    throw new Error("Missing return statement in function");
  }

  final private boolean jj_2_1(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_1(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(0, xla); }
  }

  final private boolean jj_2_2(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_2(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(1, xla); }
  }

  final private boolean jj_2_3(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_3(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(2, xla); }
  }

  final private boolean jj_2_4(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_4(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(3, xla); }
  }

  final private boolean jj_2_5(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_5(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(4, xla); }
  }

  final private boolean jj_2_6(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_6(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(5, xla); }
  }

  final private boolean jj_2_7(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_7(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(6, xla); }
  }

  final private boolean jj_2_8(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_8(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(7, xla); }
  }

  final private boolean jj_2_9(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_9(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(8, xla); }
  }

  final private boolean jj_2_10(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_10(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(9, xla); }
  }

  final private boolean jj_2_11(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_11(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(10, xla); }
  }

  final private boolean jj_2_12(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_12(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(11, xla); }
  }

  final private boolean jj_2_13(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_13(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(12, xla); }
  }

  final private boolean jj_2_14(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_14(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(13, xla); }
  }

  final private boolean jj_2_15(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_15(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(14, xla); }
  }

  final private boolean jj_3_1() {
    Token xsp;
    if (jj_scan_token(88)) return true;
    while (true) {
      xsp = jj_scanpos;
      if (jj_scan_token(88)) { jj_scanpos = xsp; break; }
    }
    if (jj_scan_token(K_SELECT)) return true;
    return false;
  }

  final private boolean jj_3R_134() {
    if (jj_3R_135()) return true;
    return false;
  }

  final private boolean jj_3_2() {
    if (jj_3R_16()) return true;
    return false;
  }

  final private boolean jj_3R_47() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(103)) {
    jj_scanpos = xsp;
    if (jj_scan_token(107)) return true;
    }
    if (jj_3R_46()) return true;
    return false;
  }

  final private boolean jj_3R_32() {
    if (jj_3R_46()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_47()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_130() {
    if (jj_3R_19()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_134()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_31() {
    if (jj_scan_token(K_NOT)) return true;
    return false;
  }

  final private boolean jj_3R_129() {
    if (jj_3R_16()) return true;
    return false;
  }

  final private boolean jj_3R_109() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_129()) {
    jj_scanpos = xsp;
    if (jj_3R_130()) return true;
    }
    return false;
  }

  final private boolean jj_3R_18() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_31()) jj_scanpos = xsp;
    if (jj_scan_token(K_EXISTS)) return true;
    if (jj_scan_token(88)) return true;
    if (jj_3R_77()) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_33() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(101)) {
    jj_scanpos = xsp;
    if (jj_scan_token(102)) {
    jj_scanpos = xsp;
    if (jj_scan_token(106)) return true;
    }
    }
    if (jj_3R_32()) return true;
    return false;
  }

  final private boolean jj_3R_75() {
    if (jj_scan_token(K_NOT)) return true;
    return false;
  }

  final private boolean jj_3R_19() {
    if (jj_3R_32()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_33()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_110() {
    if (jj_scan_token(89)) return true;
    if (jj_3R_109()) return true;
    return false;
  }

  final private boolean jj_3R_74() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_75()) jj_scanpos = xsp;
    if (jj_3R_76()) return true;
    return false;
  }

  final private boolean jj_3R_96() {
    if (jj_3R_109()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_110()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3_6() {
    if (jj_3R_18()) return true;
    return false;
  }

  final private boolean jj_3R_71() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_6()) {
    jj_scanpos = xsp;
    if (jj_3R_74()) return true;
    }
    return false;
  }

  final private boolean jj_3R_95() {
    if (jj_scan_token(103)) return true;
    return false;
  }

  final private boolean jj_3R_86() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_95()) {
    jj_scanpos = xsp;
    if (jj_3R_96()) return true;
    }
    return false;
  }

  final private boolean jj_3R_108() {
    if (jj_scan_token(K_NOT)) return true;
    return false;
  }

  final private boolean jj_3R_72() {
    if (jj_scan_token(K_AND)) return true;
    if (jj_3R_71()) return true;
    return false;
  }

  final private boolean jj_3R_94() {
    if (jj_scan_token(K_DISTINCT)) return true;
    return false;
  }

  final private boolean jj_3R_93() {
    if (jj_scan_token(K_IS)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_108()) jj_scanpos = xsp;
    if (jj_scan_token(K_NULL)) return true;
    return false;
  }

  final private boolean jj_3R_67() {
    if (jj_3R_71()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_72()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_45() {
    if (jj_3R_25()) return true;
    return false;
  }

  final private boolean jj_3R_77() {
    if (jj_3R_81()) return true;
    return false;
  }

  final private boolean jj_3R_85() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(5)) {
    jj_scanpos = xsp;
    if (jj_3R_94()) return true;
    }
    return false;
  }

  final private boolean jj_3R_91() {
    if (jj_3R_102()) return true;
    return false;
  }

  final private boolean jj_3R_90() {
    if (jj_3R_101()) return true;
    return false;
  }

  final private boolean jj_3R_37() {
    if (jj_scan_token(K_NOT)) return true;
    return false;
  }

  final private boolean jj_3R_89() {
    if (jj_3R_100()) return true;
    return false;
  }

  final private boolean jj_3R_22() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_37()) jj_scanpos = xsp;
    if (jj_scan_token(K_LIKE)) return true;
    if (jj_3R_36()) return true;
    return false;
  }

  final private boolean jj_3R_88() {
    if (jj_3R_99()) return true;
    return false;
  }

  final private boolean jj_3R_68() {
    if (jj_scan_token(K_OR)) return true;
    if (jj_3R_67()) return true;
    return false;
  }

  final private boolean jj_3R_38() {
    if (jj_scan_token(93)) return true;
    if (jj_3R_17()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_50()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_50() {
    if (jj_scan_token(93)) return true;
    if (jj_3R_17()) return true;
    return false;
  }

  final private boolean jj_3R_64() {
    if (jj_3R_67()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_68()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_24() {
    if (jj_3R_17()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_38()) jj_scanpos = xsp;
    if (jj_scan_token(88)) return true;
    if (jj_scan_token(101)) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_81() {
    if (jj_scan_token(K_SELECT)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_85()) jj_scanpos = xsp;
    if (jj_3R_86()) return true;
    if (jj_3R_87()) return true;
    xsp = jj_scanpos;
    if (jj_3R_88()) jj_scanpos = xsp;
    xsp = jj_scanpos;
    if (jj_3R_89()) jj_scanpos = xsp;
    xsp = jj_scanpos;
    if (jj_3R_90()) jj_scanpos = xsp;
    xsp = jj_scanpos;
    if (jj_3R_91()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_35() {
    if (jj_scan_token(K_NOT)) return true;
    return false;
  }

  final private boolean jj_3R_21() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_35()) jj_scanpos = xsp;
    if (jj_scan_token(K_BETWEEN)) return true;
    if (jj_3R_36()) return true;
    if (jj_scan_token(K_AND)) return true;
    if (jj_3R_36()) return true;
    return false;
  }

  final private boolean jj_3R_106() {
    if (jj_3R_70()) return true;
    return false;
  }

  final private boolean jj_3R_30() {
    if (jj_scan_token(S_QUOTED_IDENTIFIER)) return true;
    return false;
  }

  final private boolean jj_3R_107() {
    if (jj_3R_77()) return true;
    return false;
  }

  final private boolean jj_3_5() {
    if (jj_scan_token(88)) return true;
    return false;
  }

  final private boolean jj_3R_34() {
    if (jj_scan_token(K_NOT)) return true;
    return false;
  }

  final private boolean jj_3R_20() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_34()) jj_scanpos = xsp;
    if (jj_scan_token(K_IN)) return true;
    if (jj_scan_token(88)) return true;
    xsp = jj_scanpos;
    if (jj_3R_106()) {
    jj_scanpos = xsp;
    if (jj_3R_107()) return true;
    }
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_66() {
    if (jj_3R_70()) return true;
    return false;
  }

  final private boolean jj_3R_133() {
    if (jj_scan_token(K_ANY)) return true;
    return false;
  }

  final private boolean jj_3R_118() {
    if (jj_3R_81()) return true;
    return false;
  }

  final private boolean jj_3R_44() {
    if (jj_scan_token(S_IDENTIFIER)) return true;
    return false;
  }

  final private boolean jj_3R_28() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_44()) {
    jj_scanpos = xsp;
    if (jj_3R_45()) return true;
    }
    if (jj_scan_token(88)) return true;
    xsp = jj_scanpos;
    if (jj_3R_66()) jj_scanpos = xsp;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_117() {
    if (jj_scan_token(88)) return true;
    if (jj_3R_81()) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_23() {
    if (jj_scan_token(88)) return true;
    if (jj_scan_token(K_SELECT)) return true;
    return false;
  }

  final private boolean jj_3R_116() {
    if (jj_scan_token(K_UNION)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(5)) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_53() {
    if (jj_scan_token(105)) return true;
    return false;
  }

  final private boolean jj_3R_131() {
    if (jj_scan_token(93)) return true;
    if (jj_3R_17()) return true;
    return false;
  }

  final private boolean jj_3R_102() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_116()) {
    jj_scanpos = xsp;
    if (jj_scan_token(35)) {
    jj_scanpos = xsp;
    if (jj_scan_token(42)) return true;
    }
    }
    xsp = jj_scanpos;
    if (jj_3R_117()) {
    jj_scanpos = xsp;
    if (jj_3R_118()) return true;
    }
    return false;
  }

  final private boolean jj_3R_27() {
    if (jj_scan_token(K_DISTINCT)) return true;
    return false;
  }

  final private boolean jj_3R_111() {
    if (jj_3R_17()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_131()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_43() {
    if (jj_scan_token(K_COUNT)) return true;
    return false;
  }

  final private boolean jj_3R_49() {
    if (jj_3R_53()) return true;
    return false;
  }

  final private boolean jj_3R_42() {
    if (jj_scan_token(K_MIN)) return true;
    return false;
  }

  final private boolean jj_3R_36() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_48()) {
    jj_scanpos = xsp;
    if (jj_3R_49()) return true;
    }
    return false;
  }

  final private boolean jj_3R_48() {
    if (jj_3R_19()) return true;
    return false;
  }

  final private boolean jj_3R_41() {
    if (jj_scan_token(K_MAX)) return true;
    return false;
  }

  final private boolean jj_3R_40() {
    if (jj_scan_token(K_AVG)) return true;
    return false;
  }

  final private boolean jj_3R_25() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_39()) {
    jj_scanpos = xsp;
    if (jj_3R_40()) {
    jj_scanpos = xsp;
    if (jj_3R_41()) {
    jj_scanpos = xsp;
    if (jj_3R_42()) {
    jj_scanpos = xsp;
    if (jj_3R_43()) return true;
    }
    }
    }
    }
    return false;
  }

  final private boolean jj_3R_39() {
    if (jj_scan_token(K_SUM)) return true;
    return false;
  }

  final private boolean jj_3R_115() {
    if (jj_scan_token(K_HAVING)) return true;
    if (jj_3R_64()) return true;
    return false;
  }

  final private boolean jj_3_11() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(7)) {
    jj_scanpos = xsp;
    if (jj_scan_token(5)) {
    jj_scanpos = xsp;
    if (jj_3R_23()) return true;
    }
    }
    return false;
  }

  final private boolean jj_3R_128() {
    if (jj_scan_token(K_PRIOR)) return true;
    return false;
  }

  final private boolean jj_3R_126() {
    if (jj_scan_token(100)) return true;
    return false;
  }

  final private boolean jj_3R_125() {
    if (jj_scan_token(99)) return true;
    return false;
  }

  final private boolean jj_3R_105() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_128()) jj_scanpos = xsp;
    if (jj_3R_36()) return true;
    return false;
  }

  final private boolean jj_3R_101() {
    if (jj_scan_token(K_GROUP)) return true;
    if (jj_scan_token(K_BY)) return true;
    if (jj_3R_70()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_115()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_124() {
    if (jj_scan_token(98)) return true;
    return false;
  }

  final private boolean jj_3R_123() {
    if (jj_scan_token(97)) return true;
    return false;
  }

  final private boolean jj_3R_62() {
    if (jj_scan_token(88)) return true;
    if (jj_3R_64()) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_122() {
    if (jj_scan_token(96)) return true;
    return false;
  }

  final private boolean jj_3R_61() {
    if (jj_scan_token(S_BIND)) return true;
    return false;
  }

  final private boolean jj_3R_121() {
    if (jj_scan_token(95)) return true;
    return false;
  }

  final private boolean jj_3R_132() {
    if (jj_scan_token(K_ALL)) return true;
    return false;
  }

  final private boolean jj_3R_127() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_132()) {
    jj_scanpos = xsp;
    if (jj_3R_133()) return true;
    }
    return false;
  }

  final private boolean jj_3R_120() {
    if (jj_scan_token(94)) return true;
    return false;
  }

  final private boolean jj_3R_119() {
    if (jj_scan_token(92)) return true;
    return false;
  }

  final private boolean jj_3R_103() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_119()) {
    jj_scanpos = xsp;
    if (jj_3R_120()) {
    jj_scanpos = xsp;
    if (jj_3R_121()) {
    jj_scanpos = xsp;
    if (jj_3R_122()) {
    jj_scanpos = xsp;
    if (jj_3R_123()) {
    jj_scanpos = xsp;
    if (jj_3R_124()) {
    jj_scanpos = xsp;
    if (jj_3R_125()) {
    jj_scanpos = xsp;
    if (jj_3R_126()) return true;
    }
    }
    }
    }
    }
    }
    }
    return false;
  }

  final private boolean jj_3R_114() {
    if (jj_scan_token(K_START)) return true;
    if (jj_scan_token(K_WITH)) return true;
    if (jj_3R_64()) return true;
    return false;
  }

  final private boolean jj_3R_113() {
    if (jj_scan_token(K_START)) return true;
    if (jj_scan_token(K_WITH)) return true;
    if (jj_3R_64()) return true;
    return false;
  }

  final private boolean jj_3R_104() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_127()) jj_scanpos = xsp;
    if (jj_scan_token(88)) return true;
    if (jj_3R_77()) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_60() {
    if (jj_scan_token(S_CHAR_LITERAL)) return true;
    return false;
  }

  final private boolean jj_3R_59() {
    if (jj_scan_token(S_NUMBER)) return true;
    return false;
  }

  final private boolean jj_3R_100() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_113()) jj_scanpos = xsp;
    if (jj_scan_token(K_CONNECT)) return true;
    if (jj_scan_token(K_BY)) return true;
    if (jj_3R_64()) return true;
    xsp = jj_scanpos;
    if (jj_3R_114()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_58() {
    if (jj_3R_63()) return true;
    return false;
  }

  final private boolean jj_3R_29() {
    if (jj_scan_token(S_IDENTIFIER)) return true;
    return false;
  }

  final private boolean jj_3R_17() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_29()) {
    jj_scanpos = xsp;
    if (jj_3R_30()) return true;
    }
    return false;
  }

  final private boolean jj_3_15() {
    if (jj_3R_28()) return true;
    return false;
  }

  final private boolean jj_3R_26() {
    if (jj_scan_token(K_ALL)) return true;
    return false;
  }

  final private boolean jj_3_12() {
    if (jj_3R_24()) return true;
    return false;
  }

  final private boolean jj_3R_92() {
    if (jj_3R_103()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_104()) {
    jj_scanpos = xsp;
    if (jj_3R_105()) return true;
    }
    return false;
  }

  final private boolean jj_3R_99() {
    if (jj_scan_token(K_WHERE)) return true;
    if (jj_3R_64()) return true;
    return false;
  }

  final private boolean jj_3_14() {
    if (jj_3R_25()) return true;
    if (jj_scan_token(88)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_26()) {
    jj_scanpos = xsp;
    if (jj_3R_27()) return true;
    }
    if (jj_3R_63()) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_69() {
    if (jj_scan_token(93)) return true;
    if (jj_3R_17()) return true;
    return false;
  }

  final private boolean jj_3R_65() {
    if (jj_scan_token(93)) return true;
    if (jj_3R_17()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_69()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3_13() {
    if (jj_scan_token(K_COUNT)) return true;
    if (jj_scan_token(88)) return true;
    if (jj_scan_token(103)) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_63() {
    if (jj_3R_17()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_65()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_57() {
    if (jj_3R_24()) return true;
    return false;
  }

  final private boolean jj_3R_112() {
    if (jj_scan_token(S_IDENTIFIER)) return true;
    return false;
  }

  final private boolean jj_3R_55() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_56()) {
    jj_scanpos = xsp;
    if (jj_3R_57()) {
    jj_scanpos = xsp;
    if (jj_3_13()) {
    jj_scanpos = xsp;
    if (jj_3_14()) {
    jj_scanpos = xsp;
    if (jj_3_15()) {
    jj_scanpos = xsp;
    if (jj_3R_58()) {
    jj_scanpos = xsp;
    if (jj_3R_59()) {
    jj_scanpos = xsp;
    if (jj_3R_60()) {
    jj_scanpos = xsp;
    if (jj_3R_61()) {
    jj_scanpos = xsp;
    if (jj_3R_62()) return true;
    }
    }
    }
    }
    }
    }
    }
    }
    }
    return false;
  }

  final private boolean jj_3R_56() {
    if (jj_scan_token(K_NULL)) return true;
    return false;
  }

  final private boolean jj_3R_73() {
    if (jj_scan_token(89)) return true;
    if (jj_3R_36()) return true;
    return false;
  }

  final private boolean jj_3R_97() {
    if (jj_3R_111()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_112()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_70() {
    if (jj_3R_36()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_73()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_98() {
    if (jj_scan_token(89)) return true;
    if (jj_3R_97()) return true;
    return false;
  }

  final private boolean jj_3R_87() {
    if (jj_scan_token(K_FROM)) return true;
    if (jj_3R_97()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_98()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_84() {
    if (jj_3R_93()) return true;
    return false;
  }

  final private boolean jj_3_10() {
    if (jj_3R_22()) return true;
    return false;
  }

  final private boolean jj_3_9() {
    if (jj_3R_21()) return true;
    return false;
  }

  final private boolean jj_3_8() {
    if (jj_3R_20()) return true;
    return false;
  }

  final private boolean jj_3R_54() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(101)) {
    jj_scanpos = xsp;
    if (jj_scan_token(102)) return true;
    }
    return false;
  }

  final private boolean jj_3R_83() {
    if (jj_3R_92()) return true;
    return false;
  }

  final private boolean jj_3R_80() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_83()) {
    jj_scanpos = xsp;
    if (jj_3_8()) {
    jj_scanpos = xsp;
    if (jj_3_9()) {
    jj_scanpos = xsp;
    if (jj_3_10()) {
    jj_scanpos = xsp;
    if (jj_3R_84()) return true;
    }
    }
    }
    }
    return false;
  }

  final private boolean jj_3R_51() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_54()) jj_scanpos = xsp;
    if (jj_3R_55()) return true;
    return false;
  }

  final private boolean jj_3_4() {
    if (jj_3R_17()) return true;
    if (jj_scan_token(93)) return true;
    if (jj_3R_17()) return true;
    if (jj_scan_token(104)) return true;
    return false;
  }

  final private boolean jj_3_3() {
    if (jj_3R_17()) return true;
    if (jj_scan_token(104)) return true;
    return false;
  }

  final private boolean jj_3R_16() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_3()) {
    jj_scanpos = xsp;
    if (jj_3_4()) return true;
    }
    return false;
  }

  final private boolean jj_3R_82() {
    if (jj_scan_token(K_PRIOR)) return true;
    return false;
  }

  final private boolean jj_3_7() {
    if (jj_scan_token(88)) return true;
    if (jj_3R_19()) return true;
    if (jj_scan_token(89)) return true;
    return false;
  }

  final private boolean jj_3R_136() {
    if (jj_scan_token(S_QUOTED_IDENTIFIER)) return true;
    return false;
  }

  final private boolean jj_3R_79() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_82()) jj_scanpos = xsp;
    if (jj_3R_19()) return true;
    return false;
  }

  final private boolean jj_3R_52() {
    if (jj_scan_token(108)) return true;
    if (jj_3R_51()) return true;
    return false;
  }

  final private boolean jj_3R_138() {
    if (jj_scan_token(S_IDENTIFIER)) return true;
    return false;
  }

  final private boolean jj_3R_46() {
    if (jj_3R_51()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_52()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_137() {
    Token xsp;
    if (jj_3R_138()) return true;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_138()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  final private boolean jj_3R_78() {
    if (jj_scan_token(88)) return true;
    if (jj_3R_70()) return true;
    if (jj_scan_token(90)) return true;
    return false;
  }

  final private boolean jj_3R_76() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_78()) {
    jj_scanpos = xsp;
    if (jj_3R_79()) return true;
    }
    xsp = jj_scanpos;
    if (jj_3R_80()) jj_scanpos = xsp;
    return false;
  }

  final private boolean jj_3R_135() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(8)) jj_scanpos = xsp;
    xsp = jj_scanpos;
    if (jj_3R_136()) {
    jj_scanpos = xsp;
    if (jj_3R_137()) return true;
    }
    return false;
  }

  public ZqlJJParserTokenManager token_source;
  SimpleCharStream jj_input_stream;
  public Token token, jj_nt;
  private int jj_ntk;
  private Token jj_scanpos, jj_lastpos;
  private int jj_la;
  public boolean lookingAhead = false;
  private boolean jj_semLA;
  private int jj_gen;
  final private int[] jj_la1 = new int[101];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static private int[] jj_la1_2;
  static private int[] jj_la1_3;
  static {
      jj_la1_0();
      jj_la1_1();
      jj_la1_2();
      jj_la1_3();
   }
   private static void jj_la1_0() {
      jj_la1_0 = new int[] {0x8008000,0x0,0x0,0x810b000,0x4220000,0x4000000,0x4220000,0x0,0x10000,0x0,0x0,0x0,0x10000,0x0,0x1000000,0x0,0x0,0x1000000,0x0,0x0,0x0,0x2080400,0x0,0x0,0x0,0x20000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10000000,0x800020,0x800020,0x0,0x40000,0x40000000,0x0,0x0,0x80400,0x100,0x80400,0x100,0x0,0x0,0x0,0x0,0x0,0x0,0x80000000,0x20,0x0,0x0,0x400200,0x400200,0x0,0x400200,0x400200,0x0,0x0,0x0,0x40,0x0,0x80400,0x0,0x0,0x80400,0x0,0x0,0x800,0x0,0xa0,0xa0,0x0,0x80400,0x80400,0x0,0x80400,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x800020,0x0,0x0,0x80400,0x80400,0x80400,0x0,0x0,};
   }
   private static void jj_la1_1() {
      jj_la1_1 = new int[] {0x1011004,0x0,0x0,0x1011004,0x1a400082,0x400000,0x1a400082,0x0,0x0,0x0,0x4000,0x0,0x0,0x40000,0x20000000,0x4000000,0x4000000,0x24000000,0x0,0x0,0x0,0x20a300,0x0,0x0,0x8000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x100000,0x0,0x0,0x0,0x0,0x80000000,0x0,0x408,0x0,0x8300,0x0,0x8300,0x0,0x0,0x0,0x0,0x0,0x80000000,0x80000000,0x0,0x0,0x408,0x8000000,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0x80000,0x0,0x2000,0x20a300,0x2000,0x200000,0x208300,0x0,0x20,0x2061,0x0,0x0,0x0,0x200000,0x208300,0x8300,0x2000,0x8008300,0x2000,0x2000,0x2000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8000,0x0,0x300,0x300,0x8300,0x0,0x0,};
   }
   private static void jj_la1_2() {
      jj_la1_2 = new int[] {0xc0,0x2000000,0x1000000,0xc0,0x10,0x0,0x10,0x400,0x0,0x2000000,0x0,0x400,0x0,0x800,0x0,0x10,0x10,0x0,0x40000,0x100,0x2000000,0x1e41001,0x2000000,0x1000000,0x20,0x0,0x100,0x20000000,0x20000000,0x840000,0xd0000000,0x20000000,0x0,0x0,0x41000,0x0,0x0,0x0,0x0,0x100,0x0,0x0,0x8,0x2000000,0x1e41001,0x840000,0x1e41001,0x0,0x40000,0x840000,0x2000000,0x40000,0x0,0x0,0x0,0x0,0x8,0x0,0x0,0x0,0x2000000,0x0,0x0,0x2000000,0x0,0x0,0x0,0x0,0x1e41001,0x0,0x0,0x1e41001,0xd0000000,0x0,0xd0000000,0x2000000,0x0,0x0,0x0,0x1e41001,0x1e41001,0x0,0x1e41001,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1e41000,0x1,0x40001,0x1e41001,0x20000000,0x20000000,};
   }
   private static void jj_la1_3() {
      jj_la1_3 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x260,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1f,0x0,0x60,0x60,0x60,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe0,0x0,0x60,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x60,0x0,0x0,0x60,0x1f,0x0,0x1f,0x0,0x0,0x0,0x0,0x260,0x260,0x0,0x260,0x0,0x0,0x0,0x460,0x460,0x880,0x880,0x1000,0x60,0x60,0x0,0x0,0x0,0x0,0x0,0x260,0x0,0x0,};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[15];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  public ZqlJJParser(java.io.InputStream stream) {
     this(stream, null);
  }
  public ZqlJJParser(java.io.InputStream stream, String encoding) {
    try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source = new ZqlJJParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 101; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  public void ReInit(java.io.InputStream stream, String encoding) {
    try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 101; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public ZqlJJParser(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new ZqlJJParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 101; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(java.io.Reader stream) {
    jj_input_stream.ReInit(stream, 1, 1);
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 101; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public ZqlJJParser(ZqlJJParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 101; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(ZqlJJParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 101; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  final private Token jj_consume_token(int kind) throws ParseException {
    Token oldToken;
    if ((oldToken = token).next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    if (token.kind == kind) {
      jj_gen++;
      if (++jj_gc > 100) {
        jj_gc = 0;
        for (int i = 0; i < jj_2_rtns.length; i++) {
          JJCalls c = jj_2_rtns[i];
          while (c != null) {
            if (c.gen < jj_gen) c.first = null;
            c = c.next;
          }
        }
      }
      return token;
    }
    token = oldToken;
    jj_kind = kind;
    throw generateParseException();
  }

  static private final class LookaheadSuccess extends java.lang.Error { }
  final private LookaheadSuccess jj_ls = new LookaheadSuccess();
  final private boolean jj_scan_token(int kind) {
    if (jj_scanpos == jj_lastpos) {
      jj_la--;
      if (jj_scanpos.next == null) {
        jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
      } else {
        jj_lastpos = jj_scanpos = jj_scanpos.next;
      }
    } else {
      jj_scanpos = jj_scanpos.next;
    }
    if (jj_rescan) {
      int i = 0; Token tok = token;
      while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
      if (tok != null) jj_add_error_token(kind, i);
    }
    if (jj_scanpos.kind != kind) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
    return false;
  }

  final public Token getNextToken() {
    if (token.next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    jj_gen++;
    return token;
  }

  final public Token getToken(int index) {
    Token t = lookingAhead ? jj_scanpos : token;
    for (int i = 0; i < index; i++) {
      if (t.next != null) t = t.next;
      else t = t.next = token_source.getNextToken();
    }
    return t;
  }

  final private int jj_ntk() {
    if ((jj_nt=token.next) == null)
      return (jj_ntk = (token.next=token_source.getNextToken()).kind);
    else
      return (jj_ntk = jj_nt.kind);
  }

  private java.util.Vector jj_expentries = new java.util.Vector();
  private int[] jj_expentry;
  private int jj_kind = -1;
  private int[] jj_lasttokens = new int[100];
  private int jj_endpos;

  private void jj_add_error_token(int kind, int pos) {
    if (pos >= 100) return;
    if (pos == jj_endpos + 1) {
      jj_lasttokens[jj_endpos++] = kind;
    } else if (jj_endpos != 0) {
      jj_expentry = new int[jj_endpos];
      for (int i = 0; i < jj_endpos; i++) {
        jj_expentry[i] = jj_lasttokens[i];
      }
      boolean exists = false;
      for (java.util.Enumeration e = jj_expentries.elements(); e.hasMoreElements();) {
        int[] oldentry = (int[])(e.nextElement());
        if (oldentry.length == jj_expentry.length) {
          exists = true;
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              exists = false;
              break;
            }
          }
          if (exists) break;
        }
      }
      if (!exists) jj_expentries.addElement(jj_expentry);
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[109];
    for (int i = 0; i < 109; i++) {
      la1tokens[i] = false;
    }
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 101; i++) {
      if (jj_la1[i] == jj_gen) {
        for (int j = 0; j < 32; j++) {
          if ((jj_la1_0[i] & (1< jj_gen) {
          jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
          switch (i) {
            case 0: jj_3_1(); break;
            case 1: jj_3_2(); break;
            case 2: jj_3_3(); break;
            case 3: jj_3_4(); break;
            case 4: jj_3_5(); break;
            case 5: jj_3_6(); break;
            case 6: jj_3_7(); break;
            case 7: jj_3_8(); break;
            case 8: jj_3_9(); break;
            case 9: jj_3_10(); break;
            case 10: jj_3_11(); break;
            case 11: jj_3_12(); break;
            case 12: jj_3_13(); break;
            case 13: jj_3_14(); break;
            case 14: jj_3_15(); break;
          }
        }
        p = p.next;
      } while (p != null);
      } catch(LookaheadSuccess ls) { }
    }
    jj_rescan = false;
  }

  final private void jj_save(int index, int xla) {
    JJCalls p = jj_2_rtns[index];
    while (p.gen > jj_gen) {
      if (p.next == null) { p = p.next = new JJCalls(); break; }
      p = p.next;
    }
    p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
  }

  static final class JJCalls {
    int gen;
    Token first;
    int arg;
    JJCalls next;
  }

    // main ends here

}




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