Rosie (https://gitlab.com/rosie-pattern-language/rosie https://gitlab.com/rosie-pattern-language/rosie) is an interesting approach to this problem, and I think

Rosie (https://gitlab.com/rosie-pattern-language/rosie https://gitlab.com/rosie-pattern-language/rosie) is an interesting approach to this problem, and I think PEGs in general would be better for reading. My memory is a bit foggy on the details, but I do recall that PEGs have some problems parsing certain inputs performance wise, though I could be mistaken.