    # File lib/compass/exec/switch_ui.rb, line 16
        def run!
          begin
            perform!
          rescue Exception => e
            raise e if e.is_a? SystemExit
            if e.is_a?(::Compass::Error) || e.is_a?(OptionParser::ParseError)
              $stderr.puts e.message
            else
              ::Compass::Exec::Helpers.report_error(e, @options)
            end
            return 1
          end
          return 0
        end