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Guido 写的新 Parser 真的很好用
source link: https://www.v2ex.com/t/798188
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之前我搞了个 Python 超集，用的方式是字符串替换，很垃圾。然后我复习了一下编译原理，用 Guido 为 Python3.9 之后的版本写的 Parser 整了个新版本。
几乎没有额外的代码，只需要修改一下 gram 文件，就可以增加新的语法编译到 Python AST 对象。
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