Learn from LL(1) to PEG parser the hard way

摘要

Do you know Python parser? Do you know CPython changed its LL(1) parser to PEG parser from Python 3.9 (PEP 617)? Do you know the difference between parsing technologies, including traditional top-down parser, bottom-parser parser, and Packrat parser? Do you know why Python chose PEG parser instead of others? In this talk, you will get the answer and the idea behind all the above questions.

說明