handle_constants

# File lib/rdoc/parsers/parse_c.rb, line 477
    def handle_constants(type, var_name, const_name, definition)
      #@stats.num_constants += 1
      class_name = @known_classes[var_name]
      
      return unless class_name

      class_obj  = find_class(var_name, class_name)

      unless class_obj
        warn("Enclosing class/module '#{const_name}' for not known")
        return
      end
      
      comment = find_const_comment(type, const_name)

      # In the case of rb_define_const, the definition and comment are in
      # "/* definition: comment */" form.  The literal ':' and '\' characters
      # can be escaped with a backslash.
      if type.downcase == 'const' then
         elements = mangle_comment(comment).split(':')
         if elements.nil? or elements.empty? then
            con = Constant.new(const_name, definition, mangle_comment(comment))
         else
            new_definition = elements[0..-2].join(':')
            if new_definition.empty? then # Default to literal C definition
               new_definition = definition
            else
               new_definition.gsub!("\:", ":")
               new_definition.gsub!("\\", '\\')
            end
            new_definition.sub!(/\A(\s+)/, '')
            new_comment = $1.nil? ? elements.last : "#{$1}#{elements.last.lstrip}"
            con = Constant.new(const_name, new_definition,
                               mangle_comment(new_comment))
         end
      else
         con = Constant.new(const_name, definition, mangle_comment(comment))
      end

      class_obj.add_constant(con)
    end