def to_pforest(aRawParse)
      factory = ParseRep::ParseForestFactory.new(aRawParse)
      if configuration.repr_builder == :default
        result = factory.create(nil)
      else
        result = factory.create(configuration.repr_builder)
      end

      return result
    end
def to_pforest(aRawParse)
      factory = ParseRep::ParseForestFactory.new(aRawParse)
      if configuration.repr_builder == :default
        result = factory.create(nil)
      else
        result = factory.create(configuration.repr_builder)
      end

      return result
    end
Convert raw parse result into a parse forest representation
 @param aRawParse [Parser::GFGParsing]
 @return [Rley::SPPF::ParseForest]