# File lib/ruby2ruby.rb, line 83 def process_args(exp) args = [] until exp.empty? do arg = exp.shift case arg when Symbol then args << arg when Sexp then case arg.first when :lasgn then args << process(arg) else raise "unknown arg type #{arg.first.inspect}" end else raise "unknown arg type #{arg.inspect}" end end "(#{args.join ', '})" end