| /* | |
| * Copyright (c) 2011, 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. | |
| */ | |
| /** | |
| * @assertion An identifier expression consists of a single identifier; it | |
| * provides access to an object via an unqualified name. | |
| * identifier: | |
| * IDENTIFIER | |
| * ; | |
| * IDENTIFIER_NO_DOLLAR: | |
| * IDENTIFIER_START_NO_DOLLAR IDENTIFIER_PART_NO_DOLLAR* | |
| * ; | |
| * IDENTIFIER: | |
| * IDENTIFIER_START IDENTIFIER_PART* | |
| * ; | |
| * IDENTIFIER_START: | |
| * IDENTIFIER_START_NO_DOLLAR | | |
| * '$' | |
| * ; | |
| * IDENTIFIER_START_NO_DOLLAR: | |
| * LETTER | | |
| * '_' | |
| * ; | |
| * IDENTIFIER_PART_NO_DOLLAR: | |
| * IDENTIFIER_START_NO_DOLLAR | | |
| * DIGIT | |
| * ; | |
| * IDENTIFIER_PART: | |
| * IDENTIFIER_START | | |
| * DIGIT | |
| * ; | |
| * LETTER: | |
| * ‘a’ .. ‘z’ | | |
| * ‘A’ ..‘Z’ | |
| * ; | |
| * @description Checks that identifier can't start with digit. | |
| * @author msyabro | |
| */ | |
| main() { | |
| int? 1a; //# 01: compile-time error | |
| String 2b = "It's wrong!"; //# 02: compile-time error | |
| var 3c; //# 03: compile-time error | |
| 4d; //# 04: compile-time error | |
| } |