一个简单的LL（1）分析表生成器，根据文法输入判断是否是LL（1）文法，并生成分析表。 使用VS2008 Sp1调试通过-A simple LL (1) analysis table generator, according to the grammar input to determine whether it is LL (1) grammar, and generate analysis table. Debugging through the use of VS2008 Sp1