分类：lr1文法

2020
10-28

Python实现LR1文法的完整实例代码

一、使用步骤 1.引入库（安装Python环境、PyQt、PyQt-tools)fromPyQt5importQtCore,QtGui,QtWidgetsimportsysimportdatetimefromPyQt5.QtGuiimportQStandardItemModel,QStandardItemfromPyQt5.QtWidgetsimportQHeaderViewfromcollectionsimportdefaultdictimportnumpyasnp2.全局变量#text="E->E+T\nE->T\nT->T*F\nT->F\nF->(E)\nF->i"#text="S->BB\nB->aB\nB->b"my_dict=def... 继续阅读 >