Raku (Perl 6) has grammars as first-class citizens: https://docs.raku.org/language/grammars#Creating_grammars https://docs.raku.org/language/grammars#Creating_g

Raku (Perl 6) has grammars as first-class citizens: https://docs.raku.org/language/grammars#Creating_grammars https://docs.raku.org/language/grammars#Creating_grammars