根据某一文法编制调试LL（1）分析程序，以便对任意输入的符号串进行分析。本次实验的目的主要是加深对预测分析LL（1）分析法的理解。-prepared in accordance with a grammar debugging LL (1) analysis of procedures for the importation of arbitrary strings of symbols for analysis. The main purpose of the experiment was t