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Side by Side Diff: runtime/bin/io_service_patch.dart

Issue 2230383003: Implement @patch annotation for patch class members (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: wip Created 4 years, 4 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 @patch class _IOService { 5 @patch class _IOService {
6 // Lazy initialize service ports, 32 per isolate. 6 // Lazy initialize service ports, 32 per isolate.
7 static const int _SERVICE_PORT_COUNT = 32; 7 static const int _SERVICE_PORT_COUNT = 32;
8 static List<SendPort> _servicePort = new List(_SERVICE_PORT_COUNT); 8 static List<SendPort> _servicePort = new List(_SERVICE_PORT_COUNT);
9 static RawReceivePort _receivePort; 9 static RawReceivePort _receivePort;
10 static SendPort _replyToPort; 10 static SendPort _replyToPort;
11 static Map<int, Completer> _messageMap = {}; 11 static Map<int, Completer> _messageMap = {};
12 static int _id = 0; 12 static int _id = 0;
13 13
14 /* @patch */ static Future _dispatch(int request, List data) { 14 @patch static Future _dispatch(int request, List data) {
15 int id; 15 int id;
16 do { 16 do {
17 id = _getNextId(); 17 id = _getNextId();
18 } while (_messageMap.containsKey(id)); 18 } while (_messageMap.containsKey(id));
19 int index = id % _SERVICE_PORT_COUNT; 19 int index = id % _SERVICE_PORT_COUNT;
20 _initialize(index); 20 _initialize(index);
21 var completer = new Completer(); 21 var completer = new Completer();
22 _messageMap[id] = completer; 22 _messageMap[id] = completer;
23 try { 23 try {
24 _servicePort[index].send([id, _replyToPort, request, data]); 24 _servicePort[index].send([id, _replyToPort, request, data]);
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54 _receivePort = null; 54 _receivePort = null;
55 } 55 }
56 56
57 static int _getNextId() { 57 static int _getNextId() {
58 if (_id == 0x7FFFFFFF) _id = 0; 58 if (_id == 0x7FFFFFFF) _id = 0;
59 return _id++; 59 return _id++;
60 } 60 }
61 61
62 static SendPort _newServicePort() native "IOService_NewServicePort"; 62 static SendPort _newServicePort() native "IOService_NewServicePort";
63 } 63 }
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