东北大学计算理论小作业 (A project for Computing Theory in Northeastern University CN)
本项目为b站 BV1oU4y1T77p 配套上传代码，建议与该视频配合使用
项目开发基于QT
其中
in.txt为文法定义文件
info.txt为文法描述文件
本项目仅作为学术交流使用，禁止用于任何商业用途。
This code of this project is part of the video: BV1oU4y1T77p on bilibili.
I strongly suggest that watching the video before reading the code.
The project is based on QT.
The file 'in.txt' defines the grammar.
The file 'info.txt' is the description of the grammar.
The project is only used for academic exchange and is not allowed to be used for any commercial purpose.