def copy_method_to_another_class( ctx: ClassDefContext, self_type: Instance, new_method_name: str, method_node: FuncDef ) -> None: semanal_api = get_semanal_api(ctx) if method_node.type is None: if not semanal_api.final_iteration: semanal_api.defer() return arguments, return_type = build_unannotated_method_args(method_node) add_method(ctx, new_method_name, args=arguments, return_type=return_type, self_type=self_type) return method_type = method_node.type if not isinstance(method_type, CallableType): if not semanal_api.final_iteration: semanal_api.defer() return arguments = [] bound_return_type = semanal_api.anal_type(method_type.ret_type, allow_placeholder=True) assert bound_return_type is not None if isinstance(bound_return_type, PlaceholderNode): return try: original_arguments = method_node.arguments[1:] except AttributeError: original_arguments = [] for arg_name, arg_type, original_argument in zip( method_type.arg_names[1:], method_type.arg_types[1:], original_arguments ): bound_arg_type = semanal_api.anal_type(arg_type, allow_placeholder=True) if bound_arg_type is None and not semanal_api.final_iteration: semanal_api.defer() return assert bound_arg_type is not None if isinstance(bound_arg_type, PlaceholderNode): return var = Var(name=original_argument.variable.name, type=arg_type) var.line = original_argument.variable.line var.column = original_argument.variable.column argument = Argument( variable=var, type_annotation=bound_arg_type, initializer=original_argument.initializer, kind=original_argument.kind, ) argument.set_line(original_argument) arguments.append(argument) add_method(ctx, new_method_name, args=arguments, return_type=bound_return_type, self_type=self_type)