load_cache

# File lib/rdoc/store.rb, line 556
  def load_cache
    #orig_enc = @encoding

    File.open cache_path, 'rb' do |io|
      @cache = Marshal.load io.read
    end

    load_enc = @cache[:encoding]

    # TODO this feature will be time-consuming to add:
    # a) Encodings may be incompatible but transcodeable
    # b) Need to warn in the appropriate spots, wherever they may be
    # c) Need to handle cross-cache differences in encodings
    # d) Need to warn when generating into a cache with different encodings
    #
    #if orig_enc and load_enc != orig_enc then
    #  warn "Cached encoding #{load_enc} is incompatible with #{orig_enc}\n" \
    #       "from #{path}/cache.ri" unless
    #    Encoding.compatible? orig_enc, load_enc
    #end

    @encoding = load_enc unless @encoding

    @cache[:pages]                       ||= []
    @cache[:main]                        ||= nil
    @cache[:c_class_variables]           ||= {}
    @cache[:c_singleton_class_variables] ||= {}

    @cache[:c_class_variables].each do |_, map|
      map.each do |variable, name|
        @c_enclosure_names[variable] = name
      end
    end

    @cache
  rescue Errno::ENOENT
  end