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Unified Diff: pkg/fletchc/lib/src/zone_helper.dart

Issue 1659163007: Rename fletch -> dartino (Closed) Base URL: https://github.com/dartino/sdk.git@master
Patch Set: address comments Created 4 years, 11 months ago
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Index: pkg/fletchc/lib/src/zone_helper.dart
diff --git a/pkg/fletchc/lib/src/zone_helper.dart b/pkg/fletchc/lib/src/zone_helper.dart
deleted file mode 100644
index 2d37ccfe5a33c672a2b2fbd724e8e184dcbd0b6e..0000000000000000000000000000000000000000
--- a/pkg/fletchc/lib/src/zone_helper.dart
+++ /dev/null
@@ -1,78 +0,0 @@
-// Copyright (c) 2015, the Dartino 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.md file.
-
-/// Helper functions for running code in a Zone.
-library fletchc.zone_helper;
-
-import 'dart:async';
-
-import 'dart:isolate';
-
-Future runGuarded(
- Future f(),
- {void printLineOnStdout(line),
- void handleLateError(error, StackTrace stackTrace)}) {
-
- var printWrapper;
- if (printLineOnStdout != null) {
- printWrapper = (_1, _2, _3, String line) {
- printLineOnStdout(line);
- };
- }
-
- Completer completer = new Completer();
-
- handleUncaughtError(error, StackTrace stackTrace) {
- if (!completer.isCompleted) {
- completer.completeError(error, stackTrace);
- } else if (handleLateError != null) {
- handleLateError(error, stackTrace);
- } else {
- // Delegate to parent.
- throw error;
- }
- }
-
- ZoneSpecification specification = new ZoneSpecification(print: printWrapper);
-
- ReceivePort errorPort = new ReceivePort();
- Future errorFuture = errorPort.listen((List errors) {
- Isolate.current.removeErrorListener(errorPort.sendPort);
- errorPort.close();
- var error = errors[0];
- var stackTrace = errors[1];
- if (stackTrace != null) {
- stackTrace = new StackTrace.fromString(stackTrace);
- }
- handleUncaughtError(error, stackTrace);
- }).asFuture();
-
- Isolate.current.addErrorListener(errorPort.sendPort);
- Isolate.current.setErrorsFatal(false);
- return acknowledgeControlMessages(Isolate.current).then((_) {
- runZoned(
- () => new Future(f).then(completer.complete),
- zoneSpecification: specification,
- onError: handleUncaughtError);
-
- return completer.future.whenComplete(() {
- errorPort.close();
- Isolate.current.removeErrorListener(errorPort.sendPort);
- return errorFuture;
- });
- });
-}
-
-/// Ping [isolate] to ensure control messages have been delivered. Control
-/// messages are things like [Isolate.addErrorListener] and
-/// [Isolate.addOnExitListener].
-Future acknowledgeControlMessages(Isolate isolate, {Capability resume}) {
- ReceivePort ping = new ReceivePort();
- Isolate.current.ping(ping.sendPort);
- if (resume == null) {
- return ping.first;
- } else {
- return ping.first.then((_) => isolate.resume(resume));
- }
-}
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