AST __t1894 = _t;
AST __t1898 = _t;
	public final void repositionstate(AST _t) throws RecognitionException {				AST repositionstate_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t1887 = _t;		AST tmp1179_AST_in = (AST)_t;		match(_t,REPOSITION);		_t = _t.getFirstChild();		AST tmp1180_AST_in = (AST)_t;		match(_t,ID);		_t = _t.getNextSibling();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case TO:		{			AST __t1889 = _t;			AST tmp1181_AST_in = (AST)_t;			match(_t,TO);			_t = _t.getFirstChild();			{			if (_t==null) _t=ASTNULL;			switch ( _t.getType()) {			case ROWID:			{				AST tmp1182_AST_in = (AST)_t;				match(_t,ROWID);				_t = _t.getNextSibling();				expression(_t);				_t = _retTree;				{				_loop1892:				do {					if (_t==null) _t=ASTNULL;					if ((_t.getType()==COMMA)) {						AST tmp1183_AST_in = (AST)_t;						match(_t,COMMA);						_t = _t.getNextSibling();						expression(_t);						_t = _retTree;					}					else {						break _loop1892;					}									} while (true);				}				break;			}			case RECID:			{				AST tmp1184_AST_in = (AST)_t;				match(_t,RECID);				_t = _t.getNextSibling();				expression(_t);				_t = _retTree;				break;			}			case ROW:			{				AST tmp1185_AST_in = (AST)_t;				match(_t,ROW);				_t = _t.getNextSibling();				expression(_t);				_t = _retTree;				break;			}			default:			{				throw new NoViableAltException(_t);			}			}			}			_t = __t1889;			_t = _t.getNextSibling();			break;		}		case ROW:		{			AST __t1893 = _t;			AST tmp1186_AST_in = (AST)_t;			match(_t,ROW);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1893;			_t = _t.getNextSibling();			break;		}		case FORWARDS:		{			AST __t1894 = _t;			AST tmp1187_AST_in = (AST)_t;			match(_t,FORWARDS);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1894;			_t = _t.getNextSibling();			break;		}		case BACKWARDS:		{			AST __t1895 = _t;			AST tmp1188_AST_in = (AST)_t;			match(_t,BACKWARDS);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1895;			_t = _t.getNextSibling();			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case NOERROR_KW:		{			AST tmp1189_AST_in = (AST)_t;			match(_t,NOERROR_KW);			_t = _t.getNextSibling();			break;		}		case EOF:		case PERIOD:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		state_end(_t);		_t = _retTree;		_t = __t1887;		_t = _t.getNextSibling();		_retTree = _t;	}