code: def enums
        raise StreamNotParsed, 'you must parse first' if @tree.nil?
  
        enums = statements.select do |node|
          node.is_a?(EnumStatement)
        end
  
        enums.map(&:to_hash)
      end
docs: Returns an array of eneums parsed from the IO stream. The array
   contains hashes with enum information and variables.
  
   The hash is the hash form of EnumStatement
  
   @example Accessing the enums
     parser.enums # => [{ name: 'test', variables: [], ...]
  
   @return [Array<Hash>] an array of hashes representing the class
   @see EnumStatement