| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| /// Backslash xXX must have exactly 2 hex digits. | |
| main() { | |
| var str = "Foo\x0"; | |
| // ^^^ | |
| // [analyzer] SYNTACTIC_ERROR.INVALID_HEX_ESCAPE | |
| // [cfe] An escape sequence starting with '\x' must be followed by 2 hexadecimal digits. | |
| str = "Foo\xF Bar"; | |
| // ^^^ | |
| // [analyzer] SYNTACTIC_ERROR.INVALID_HEX_ESCAPE | |
| // [cfe] An escape sequence starting with '\x' must be followed by 2 hexadecimal digits. | |
| } |