AST tmp1813_AST_in = (AST)_t;
AST tmp1812_AST_in = (AST)_t;
	public final void datatype_com(AST _t) throws RecognitionException {				AST datatype_com_AST_in = (_t == ASTNULL) ? null : (AST)_t;				if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case SHORT:		{			AST tmp1812_AST_in = (AST)_t;			match(_t,SHORT);			_t = _t.getNextSibling();			break;		}		case FLOAT:		{			AST tmp1813_AST_in = (AST)_t;			match(_t,FLOAT);			_t = _t.getNextSibling();			break;		}		case CURRENCY:		{			AST tmp1814_AST_in = (AST)_t;			match(_t,CURRENCY);			_t = _t.getNextSibling();			break;		}		case UNSIGNEDBYTE:		{			AST tmp1815_AST_in = (AST)_t;			match(_t,UNSIGNEDBYTE);			_t = _t.getNextSibling();			break;		}		case ERRORCODE:		{			AST tmp1816_AST_in = (AST)_t;			match(_t,ERRORCODE);			_t = _t.getNextSibling();			break;		}		case IUNKNOWN:		{			AST tmp1817_AST_in = (AST)_t;			match(_t,IUNKNOWN);			_t = _t.getNextSibling();			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		_retTree = _t;	}