本文以SLR(1)分析器为例介绍了两种为二义性文法构造语法分析器的方法，并通过实例对两种方法的优劣进行了比较。
In this article, two methods of constructing SLR (1) analyzer for grammar with ambiguity are introduced and the two methods are compared with each other by examples.
LR分析法对表达式文法进行自底向上语法分析的算法个个作业仅供参考，态度决定一切。
LR analysis of expression grammar for the bottom-up parsing algorithm everyone operations for reference purposes only, attitude is everything.
录入合法的LL(1)文法，将输出ll(1)预测分析表，并可以对输入的句子进行语法分析输出相应语法树。
Entry legitimate LL (1) grammar, the output LL (1) prediction analysis table, and can enter the grammar of the sentence carried out analysis of the output corresponding syntax tree.
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