LL（1）分析法

1、LL（1）分析法的功能

LL（1）分析法的功能是利用LL（1）控制程序根据显示栈栈顶内容、向前看符号以及LL（1）分析表，对输入符号串自上而下的分析过程。

2、LL（1）分析法的前提

改造文法：消除二义性、消除左递归、提取左因子，判断是否为LL（1）文法，

3、LL（1）分析法实验设计思想及算法-LL (1) an analysis, LL (1) Analysis of the functional LL (1) Analysis of the functional use of LL (1) under control procedures revealed Stack Stack Top content, and forward-looking symbols LL (1) Analysis Table, the importation of symbols string of top-down process. 2, LL (1) Analysis law of the transformation of grammar : Elimination of two justice, the elimination of left recursive, extracting the left factor, To determine whether the LL (1) grammar, 3, LL (1) analysis and experimental design algorithm