code: def macro_def(self, macro_ref, frame):
          
          arg_tuple = ', '.join(repr(x.name) for x in macro_ref.node.args)
          name = getattr(macro_ref.node, 'name', None)
          if len(macro_ref.node.args) == 1:
              arg_tuple += ','
          self.write('Macro(environment, macro, %r, (%s), %r, %r, %r, '
                     'context.eval_ctx.autoescape)' %
                     (name, arg_tuple, macro_ref.accesses_kwargs,
                      macro_ref.accesses_varargs, macro_ref.accesses_caller))
docs: Dump the macro definition for the def created by macro_body.