if self.__GetNextToken():
            Pattern = re.compile(r'([a-zA-Z0-9\-]+|\$\(TARGET\)|\*)_([a-zA-Z0-9\-]+|\$\(TOOL_CHAIN_TAG\)|\*)_([a-zA-Z0-9\-]+|\$\(ARCH\)|\*)')
            if Pattern.match(self.__Token):
                FfsFileObj.KeyStringList.append(self.__Token)
                if self.__IsToken(","):