# File lib/safemode/parser.rb, line 122
    def process_const(arg)
      sexp_type = arg.sexp_body.sexp_type # constants are encoded as: "s(:const, :Encoding)"
      if RUBY_VERSION >= "1.9" && sexp_type == :Encoding
        # handling of Encoding constants in ruby 1.9.
        # Note: ruby_parser evaluates __ENCODING__ to s(:colon2, s(:const, :Encoding), :UTF_8)
        "#{super(arg).gsub('-', '_')}"
      elsif sexp_type == :String
        # Allow String.new as used in ERB in Ruby 2.4+ to create a string buffer
        super(arg).to_s
      else
        raise_security_error("constant", super(arg))
      end
    end