# File lib/brakeman/tracker.rb, line 116
  def each_class
    classes = [self.controllers, self.models]

    if @options[:index_libs]
      classes << self.libs
    end

    classes.each do |set|
      set.each do |set_name, collection|
        collection.src.each do |file, src|
          yield src, set_name, file
        end
      end
    end
  end