设计一个小型语言，要求有基本的程序语句，给出该小型语言的LL（1）文法，用预测分析法实现对该小型语言的LL（1）文法的语法分析。,Design a small language, the basic procedures required statement, given the small language LL (1) grammar, the forecast method used to achieve the mini-language LL (1) parsing grammar.