extension_modules (Treetop::Runtime::SyntaxNode)

    # File lib/treetop/runtime/syntax_node.rb, line 33
          def extension_modules
            local_extensions =
              class <<self
                included_modules-Object.included_modules
              end
            if local_extensions.size > 0
              local_extensions
            else
              []    # There weren't any; must be a literal node
            end
          end