{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":".map_or(DbgVal::Underscore,"}]}
                    .map_or(DbgVal::Underscore, |op| DbgVal::Val(op.to_const_int()))
                    .and_then(|op| self.ecx.read_immediate(&op).discard_err())
            };