ruby-on-rails compiler-construction nlp grammar formal-languages

Where to find formal grammar for Ruby on Rails, Cobal, and VSL?

Does anyone know where I can get the formal grammar for these languages especially Ruby on Rails? I'm interested in looking at how the language is processed.

Thanks

Solution

Ruby on Rails is a framework, not a language. It's written in the Ruby language. You can get the source for Ruby at http://www.ruby-lang.org/en/downloads/. It uses lex and yacc for parsing; as far as I know, that code's contained in parse.y.

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