AST __t1240 = _t;
AST __t1244 = _t;
	public final void enablestate(AST _t) throws RecognitionException {				AST enablestate_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t1240 = _t;		AST tmp830_AST_in = (AST)_t;		match(_t,ENABLE);		_t = _t.getFirstChild();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case UNLESSHIDDEN:		{			AST tmp831_AST_in = (AST)_t;			match(_t,UNLESSHIDDEN);			_t = _t.getNextSibling();			break;		}		case EOF:		case PERIOD:		case ALL:		case IN_KW:		case WITH:		case Form_item:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case ALL:		{			AST __t1243 = _t;			AST tmp832_AST_in = (AST)_t;			match(_t,ALL);			_t = _t.getFirstChild();			{			if (_t==null) _t=ASTNULL;			switch ( _t.getType()) {			case EXCEPT:			{				AST __t1245 = _t;				AST tmp833_AST_in = (AST)_t;				match(_t,EXCEPT);				_t = _t.getFirstChild();				{				_loop1247:				do {					if (_t==null) _t=ASTNULL;					if ((_t.getType()==Field_ref)) {						field(_t);						_t = _retTree;					}					else {						break _loop1247;					}									} while (true);				}				_t = __t1245;				_t = _t.getNextSibling();				break;			}			case 3:			{				break;			}			default:			{				throw new NoViableAltException(_t);			}			}			}			_t = __t1243;			_t = _t.getNextSibling();			break;		}		case Form_item:		{			{			int _cnt1249=0;			_loop1249:			do {				if (_t==null) _t=ASTNULL;				if ((_t.getType()==Form_item)) {					form_item(_t);					_t = _retTree;				}				else {					if ( _cnt1249>=1 ) { break _loop1249; } else {throw new NoViableAltException(_t);}				}								_cnt1249++;			} while (true);			}			break;		}		case EOF:		case PERIOD:		case IN_KW:		case WITH:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case IN_KW:		{			AST __t1251 = _t;			AST tmp834_AST_in = (AST)_t;			match(_t,IN_KW);			_t = _t.getFirstChild();			AST tmp835_AST_in = (AST)_t;			match(_t,WINDOW);			_t = _t.getNextSibling();			expression(_t);			_t = _retTree;			_t = __t1251;			_t = _t.getNextSibling();			break;		}		case EOF:		case PERIOD:		case WITH:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case WITH:		{			framephrase(_t);			_t = _retTree;			break;		}		case EOF:		case PERIOD:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		state_end(_t);		_t = _retTree;		_t = __t1240;		_t = _t.getNextSibling();		_retTree = _t;	}