给出非终结符的FIRSTVT和LASTVT集。画出算符优先关系表。给定符号串判定是否是文法中的句子，分析过程用计算机打印出来。-website is not the end of the FIRSTVT and LASTVT set. Ingenuous operator precedence table. Series set to determine whether the symbol is the grammar of the sentence, the analysis process

用算符优先文法制作的算符优先分析器，实现了FIRSTVT跟LASTVT的输出跟优先表的输出以及栈的输出以及到文件的输出。-priority grammar operator with the operator priority to the production analyzer, achieved with LASTVT FIRSTVT output with the output of the priority list and stack output and the output of

FirstVT集和LastVT集生成算法模拟 算符优先分析表生成模拟 算符优先分析过程模拟,FirstVT sets and set LastVT Simulation Algorithm Analysis operator priority priority operator generated simulation analysis simulation