LL(1)_syntax

说明：   LL(1)语法分析程序 （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。
(LL (1) syntax analysis program (1) on the importation of grammar, it can 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 driven.)