Files
sdk/pkg/dart2bytecode/testcases/async.dart
T
Alexander Markov 3abf78212c Bytecode compiler
Add dart2bytecode tool which takes Dart sources and produces
Dart bytecode. The tool uses common front-end (CFE) to parse Dart
source code and contains bytecode generator which translates
kernel AST to bytecode.

Change-Id: I90bd6e72c619cf0edc556da0640760b30e81091d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/378560
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2024-08-08 18:08:58 +00:00

69 lines
1.2 KiB
Dart

// Copyright (c) 2024, 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.
import 'dart:async';
Future<int> foo() async => 42;
Future<int> simpleAsyncAwait(Future<int> a, Future<int> b) async {
return (await a) + (await b);
}
Future<int> loops(List<int> list) async {
int sum = 0;
for (int i = 0; i < 10; ++i) {
for (var j in list) {
sum += i + j + await foo();
}
}
for (int k = 0; k < 10; ++k) {
sum += k;
}
return sum;
}
Future<int> tryCatchRethrow(Future<int> a, Future<int> b, Future<int> c) async {
int x = 1;
try {
x = x + await a;
} catch (e) {
if (e is Error) {
return 42;
}
x = x + await b;
rethrow;
} finally {
print('fin');
x = x + await c;
return x;
}
}
closure(Future<int> a) {
int x = 3;
Future<int> nested() async {
int y = 4;
try {
x = 5;
y = await a;
return x + y;
} finally {
print('fin');
}
}
return nested;
}
Future<int> testAssert(Future<int> a) async {
assert((await a) == 42);
return 7;
}
var asyncInFieldInitializer = (Future<int> x) async {
await x;
};
main() {}