Method is_native_attr_ref

mypyc/irbuild/builder.py:1550–1557

Is expr a direct reference to a native (struct) attribute of an instance?

(self, expr: MemberExpr)

        return self.py_get_attr(left, name, line)

    def is_native_attr_ref(self, expr: MemberExpr) -> bool:
        """Is expr a direct reference to a native (struct) attribute of an instance?"""
        obj_rtype = self.node_type(expr.expr)
        return (
            isinstance(obj_rtype, RInstance)
            and obj_rtype.class_ir.is_ext_class
            and any(expr.name in ir.attributes for ir in obj_rtype.class_ir.mro)
        )

    def mark_block_unreachable(self) -> None:
        """Mark statements in the innermost block being processed as unreachable.