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I have a PhD in compiling Ruby and I struggle to read and modify that file.

• adamgordonbell 5y ago
  Ruby is very flexible. Is that the issue? I suspect not, because Scala is super flexible and probably more difficult to parse, but has a better organized parser.
  • chrisseaton 5y ago
    The language is just quite large and quite complex to parse - context-sensitive and requires interaction back and forth with the lexer as it parses. TreeSitter seems to have a much simpler Ruby parser - but I believe it ignores the context-sensitive parts of Ruby.
  • jasonwatkinspdx 5y ago
    Ruby's syntactic flexibility is definitely a big factor in it.