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Side by Side Diff: runtime/lib/convert_patch.dart

Issue 2220883004: Use metadata annotation @patch for patch classes (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) 2014, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2014, 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 import "dart:_internal" show POWERS_OF_TEN; 5 import "dart:_internal" show POWERS_OF_TEN;
6 6
7 // JSON conversion. 7 // JSON conversion.
8 8
9 patch _parseJson(String json, reviver(var key, var value)) { 9 @patch _parseJson(String json, reviver(var key, var value)) {
10 _BuildJsonListener listener; 10 _BuildJsonListener listener;
11 if (reviver == null) { 11 if (reviver == null) {
12 listener = new _BuildJsonListener(); 12 listener = new _BuildJsonListener();
13 } else { 13 } else {
14 listener = new _ReviverJsonListener(reviver); 14 listener = new _ReviverJsonListener(reviver);
15 } 15 }
16 var parser = new _JsonStringParser(listener); 16 var parser = new _JsonStringParser(listener);
17 parser.chunk = json; 17 parser.chunk = json;
18 parser.chunkEnd = json.length; 18 parser.chunkEnd = json.length;
19 parser.parse(0); 19 parser.parse(0);
20 parser.close(); 20 parser.close();
21 return listener.result; 21 return listener.result;
22 } 22 }
23 23
24 patch class Utf8Decoder { 24 @patch class Utf8Decoder {
25 /* patch */ 25 /* @patch */
26 Converter<List<int>, dynamic/*=T*/> fuse/*<T>*/( 26 Converter<List<int>, dynamic/*=T*/> fuse/*<T>*/(
27 Converter<String, dynamic/*=T*/> next) { 27 Converter<String, dynamic/*=T*/> next) {
28 if (next is JsonDecoder) { 28 if (next is JsonDecoder) {
29 return new _JsonUtf8Decoder(next._reviver, this._allowMalformed) 29 return new _JsonUtf8Decoder(next._reviver, this._allowMalformed)
30 as dynamic/*=Converter<List<int>, T>*/; 30 as dynamic/*=Converter<List<int>, T>*/;
31 } 31 }
32 // TODO(lrn): Recognize a fused decoder where the next step is JsonDecoder. 32 // TODO(lrn): Recognize a fused decoder where the next step is JsonDecoder.
33 return super.fuse/*<T>*/(next); 33 return super.fuse/*<T>*/(next);
34 } 34 }
35 35
36 // Allow intercepting of UTF-8 decoding when built-in lists are passed. 36 // Allow intercepting of UTF-8 decoding when built-in lists are passed.
37 /* patch */ 37 /* @patch */
38 static String _convertIntercepted( 38 static String _convertIntercepted(
39 bool allowMalformed, List<int> codeUnits, int start, int end) { 39 bool allowMalformed, List<int> codeUnits, int start, int end) {
40 return null; // This call was not intercepted. 40 return null; // This call was not intercepted.
41 } 41 }
42 } 42 }
43 43
44 class _JsonUtf8Decoder extends Converter<List<int>, Object> { 44 class _JsonUtf8Decoder extends Converter<List<int>, Object> {
45 final _Reviver _reviver; 45 final _Reviver _reviver;
46 final bool _allowMalformed; 46 final bool _allowMalformed;
47 47
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1369 for (int i = 0; i < length; i++) { 1369 for (int i = 0; i < length; i++) {
1370 target[offset + i] = chunk.codeUnitAt(start + i); 1370 target[offset + i] = chunk.codeUnitAt(start + i);
1371 } 1371 }
1372 } 1372 }
1373 1373
1374 double parseDouble(int start, int end) { 1374 double parseDouble(int start, int end) {
1375 return _parseDouble(chunk, start, end); 1375 return _parseDouble(chunk, start, end);
1376 } 1376 }
1377 } 1377 }
1378 1378
1379 patch class JsonDecoder { 1379 @patch class JsonDecoder {
1380 /* patch */ StringConversionSink startChunkedConversion(Sink<Object> sink) { 1380 /* @patch */ StringConversionSink startChunkedConversion(Sink<Object> sink) {
1381 return new _JsonStringDecoderSink(this._reviver, sink); 1381 return new _JsonStringDecoderSink(this._reviver, sink);
1382 } 1382 }
1383 } 1383 }
1384 1384
1385 /** 1385 /**
1386 * Implements the chunked conversion from a JSON string to its corresponding 1386 * Implements the chunked conversion from a JSON string to its corresponding
1387 * object. 1387 * object.
1388 * 1388 *
1389 * The sink only creates one object, but its input can be chunked. 1389 * The sink only creates one object, but its input can be chunked.
1390 */ 1390 */
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1767 _parser.parse(start); 1767 _parser.parse(start);
1768 } 1768 }
1769 1769
1770 void close() { 1770 void close() {
1771 _parser.close(); 1771 _parser.close();
1772 var decoded = _parser.result; 1772 var decoded = _parser.result;
1773 _sink.add(decoded); 1773 _sink.add(decoded);
1774 _sink.close(); 1774 _sink.close();
1775 } 1775 }
1776 } 1776 }
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