这是我根据郭一晶老师的报告指导，编写的LL(1)词法分析器，它的突出之处是它分析的是C++，它的缺点之处是分析表是手工计算，并且不完整。-This is my teacher according to Guo Yijing reporting guidelines, prepared by the LL (1) lexical analyzer, its prominent place is its analysis is C++, its drawback is that the analys