简易语法分析程序LL(1)

（1）对输入文法，它能判断是否为LL(1)文法，若是，则转（2）；否则报错并终止；

（2）输入已知文法，由程序自动生成它的LL(1)分析表；

（3）对于给定的输入串，应能判断识别该串是否为给定文法的句型-simple syntax analysis procedures LL (1) (a) on the importation of grammar. it will determine whether to LL (1) grammar, and if so, in turn, (2); Otherwise errors and terminated; (2) the importation of known grammar, automatically generated from the LL (1) Analysis Table; (3) For a given set of input strings should be able to judge whether the identification of the string for a given grammar Sentence