ruby_parsers.txt

Ruby Parsers:

- https://github.com/whitequark/parser
   Pros: - Parses 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5 syntax
         - Well maintained: frequent commits + sponsored by https://evilmartians.com/
         - All needed info present after parsing (location, comments)
   Cons: - In ruby => a bit of friction for java integration
         - Need rubygems (parser, ast)

- JRuby
  Pros: - Easy to integrate (simply add jruby dependency to pom)
        - In java, so easy to get AST directly
        - Well maintained and up-to-date
  Cons: - No precise location information on nodes (only start line)
        - No comment information

- JRubyParser
   Pros: - Based on JRuby
         - Provides location information
         - Provides comment information
   Cons: - Not well maintained anymore
         - Last release on maven repo is from 2014
         - Based on old version of JRuby (currently only support up to 2.3)