_t = __t900;
_t = __t904;
	public final void createbufferstate(AST _t) throws RecognitionException {				AST createbufferstate_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t900 = _t;		AST tmp724_AST_in = (AST)_t;		match(_t,CREATE);		_t = _t.getFirstChild();		AST tmp725_AST_in = (AST)_t;		match(_t,BUFFER);		_t = _t.getNextSibling();		field(_t);		_t = _retTree;		AST tmp726_AST_in = (AST)_t;		match(_t,FOR);		_t = _t.getNextSibling();		AST tmp727_AST_in = (AST)_t;		match(_t,TABLE);		_t = _t.getNextSibling();		expression(_t);		_t = _retTree;		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case BUFFERNAME:		{			AST __t902 = _t;			AST tmp728_AST_in = (AST)_t;			match(_t,BUFFERNAME);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t902;			_t = _t.getNextSibling();			break;		}		case EOF:		case PERIOD:		case IN_KW:		case NOERROR_KW:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case IN_KW:		{			AST __t904 = _t;			AST tmp729_AST_in = (AST)_t;			match(_t,IN_KW);			_t = _t.getFirstChild();			AST tmp730_AST_in = (AST)_t;			match(_t,WIDGETPOOL);			_t = _t.getNextSibling();			expression(_t);			_t = _retTree;			_t = __t904;			_t = _t.getNextSibling();			break;		}		case EOF:		case PERIOD:		case NOERROR_KW:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case NOERROR_KW:		{			AST tmp731_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 = __t900;		_t = _t.getNextSibling();		_retTree = _t;	}