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 to improve prediction analysis LL (1) analysis and understanding.