Method check_isinstance_arg

mypyc/annotate.py:393–401

(self, arg: Expression)

                )

    def check_isinstance_arg(self, arg: Expression) -> None:
        if isinstance(arg, RefExpr):
            if isinstance(arg.node, TypeInfo) and arg.node.is_protocol:
                self.annotate(
                    arg, f'Expensive isinstance() check against protocol "{arg.node.name}".'
                )
        elif isinstance(arg, TupleExpr):
            for item in arg.items:
                self.check_isinstance_arg(item)

    def visit_lambda_expr(self, o: LambdaExpr, /) -> None:
        self.annotate(