"Nor does Ruby provide a mechanism to turn code into an abstract syntax tree for you as Python and Lisp do" That's not even correct, ruby's standard library co

"Nor does Ruby provide a mechanism to turn code into an abstract syntax tree for you as Python and Lisp do" That's not even correct, ruby's standard library contains a Ripper class that does just that: http://ruby-doc.org/stdlib-2.0.0/libdoc/ripper/rdoc/Ripper.html http://ruby-doc.org/stdlib-2.0.0/libdoc/ripper/rdoc/Ripper.h...