Keep a repository of ANTLR4 grammars converted to flex/bison

[coderextreme]

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I tried converting my ANLTR4 grammar to flex/bison with ChatGPT, and it just did it. I haven’t tested it yet. It would seem to be handy to keep grammars in other meta-grammars, to save on many people doing the same thing. I’d like to see what my generated grammar does in Pyacc/Plex (pascal). Convert to those didn’t really work, last I tried.