# File lib/haml/filters.rb, line 327 def template_class (@template_class if defined? @template_class) or begin @template_class = Tilt["t.#{tilt_extension}"] or raise Error.new(Error.message(:cant_run_filter, tilt_extension)) rescue LoadError => e dep = e.message.split('--').last.strip raise Error.new(Error.message(:gem_install_filter_deps, tilt_extension, dep)) end end