AST tmp282_AST_in = (AST)_t;
AST tmp281_AST_in = (AST)_t;
	public final void datatype_field(AST _t) throws RecognitionException {				AST datatype_field_AST_in = (_t == ASTNULL) ? null : (AST)_t;				if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case BLOB:		{			AST tmp281_AST_in = (AST)_t;			match(_t,BLOB);			_t = _t.getNextSibling();			break;		}		case CLOB:		{			AST tmp282_AST_in = (AST)_t;			match(_t,CLOB);			_t = _t.getNextSibling();			break;		}		case CHARACTER:		case COMHANDLE:		case DATE:		case DECIMAL:		case HANDLE:		case INTEGER:		case LOGICAL:		case MEMPTR:		case RAW:		case RECID:		case ROWID:		case WIDGETHANDLE:		case DATETIME:		case DATETIMETZ:		case LONGCHAR:		case TYPE_NAME:		{			datatype_var(_t);			_t = _retTree;			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		_retTree = _t;	}