| // 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:
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| * IDENTIFIER
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| * ;
|
| * IDENTIFIER_NO_DOLLAR:
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| * IDENTIFIER_START_NO_DOLLAR IDENTIFIER_PART_NO_DOLLAR*
|
| * ;
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| * IDENTIFIER:
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| * IDENTIFIER_START IDENTIFIER_PART*
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| * ;
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| * IDENTIFIER_START:
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| * IDENTIFIER_START_NO_DOLLAR |
|
| * '$'
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| * ;
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| * IDENTIFIER_START_NO_DOLLAR:
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| * LETTER |
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| * '_'
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| * ;
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| * IDENTIFIER_PART_NO_DOLLAR:
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| * IDENTIFIER_START_NO_DOLLAR |
|
| * DIGIT
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| * ;
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| * IDENTIFIER_PART:
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| * IDENTIFIER_START |
|
| * DIGIT
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| * ;
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| * LETTER:
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| * ‘a’ .. ‘z’ |
|
| * ‘A’ ..‘Z’
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| * ;
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| * @description Checks that identifier can't contain '@' symbol.
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| * @compile-error
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| * @author msyabro
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| */
|
|
|
| main() {
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| int? a@ //# 01: compile-time error
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| String b@ = "It's wrong!"; //# 02: compile-time error
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| var c@; //# 03: compile-time error
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| d@; //# 04: compile-time error
|
| }
|
