Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
59 lines
1.3 KiB
Dart
59 lines
1.3 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:async';
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import 'package:expect/expect.dart';
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get await => 4;
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// For functions that are declared with the async modifier we treat await as
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// keyword.
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test0() async {
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var x = await 7;
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Expect.equals(7, x);
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var await = 1;
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// ^^^^^
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// [analyzer] SYNTACTIC_ERROR.ASYNC_KEYWORD_USED_AS_IDENTIFIER
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// [cfe] 'await' can't be used as an identifier in 'async', 'async*', or 'sync*' methods.
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}
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test1() async {
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var x = await 9;
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Expect.equals(9, x);
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var y = await;
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// ^
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// [analyzer] SYNTACTIC_ERROR.MISSING_IDENTIFIER
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// [cfe] Expected an identifier, but got ';'.
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}
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// For functions that are not declared with the async modifier we allow await to
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// be used as an identifier.
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test2() {
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var y = await;
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Expect.equals(4, y);
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var x = await 1;
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// ^^^^^
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// [analyzer] SYNTACTIC_ERROR.EXPECTED_TOKEN
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// [cfe] Expected ';' after this.
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}
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test3() {
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var await = 3;
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Expect.equals(3, await);
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var x = await 1;
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// ^^^^^
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// [analyzer] SYNTACTIC_ERROR.EXPECTED_TOKEN
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// [cfe] Expected ';' after this.
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}
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main() {
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test0();
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test1();
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test2();
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test3();
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}
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