AST tmp1780_AST_in = (AST)_t;
AST tmp1781_AST_in = (AST)_t;
	public final void select_order_expr(AST _t) throws RecognitionException {				AST select_order_expr_AST_in = (_t == ASTNULL) ? null : (AST)_t;				sqlscalar(_t);		_t = _retTree;		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case ASC:		{			AST tmp1780_AST_in = (AST)_t;			match(_t,ASC);			_t = _t.getNextSibling();			break;		}		case DESCENDING:		{			AST tmp1781_AST_in = (AST)_t;			match(_t,DESCENDING);			_t = _t.getNextSibling();			break;		}		case 3:		case COMMA:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		_loop2455:		do {			if (_t==null) _t=ASTNULL;			if ((_t.getType()==COMMA)) {				AST tmp1782_AST_in = (AST)_t;				match(_t,COMMA);				_t = _t.getNextSibling();				sqlscalar(_t);				_t = _retTree;				{				if (_t==null) _t=ASTNULL;				switch ( _t.getType()) {				case ASC:				{					AST tmp1783_AST_in = (AST)_t;					match(_t,ASC);					_t = _t.getNextSibling();					break;				}				case DESCENDING:				{					AST tmp1784_AST_in = (AST)_t;					match(_t,DESCENDING);					_t = _t.getNextSibling();					break;				}				case 3:				case COMMA:				{					break;				}				default:				{					throw new NoViableAltException(_t);				}				}				}			}			else {				break _loop2455;			}					} while (true);		}		_retTree = _t;	}