# File Grammatiken.rb, line 385
        def load(file)
         require 'yaml'
         gramma = YAML::load(File.open(file))
         if gramma.class == Grammar
           @rules = gramma.getRules
           @terminals = gramma.getTerminals
           @nonterminals = gramma.getNonterminals
           @startsymbol = gramma.getStartsymbol
         else
           #raise "Wrong File.\n It was not a Grammar"
         end
        end