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1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2017, 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:async'; | 5 import 'dart:async'; |
6 | 6 |
7 import 'package:analyzer/dart/analysis/results.dart'; | 7 import 'package:analyzer/dart/analysis/results.dart'; |
8 import 'package:analyzer/src/dart/analysis/driver.dart'; | 8 import 'package:analyzer/src/dart/analysis/driver.dart'; |
9 import 'package:analyzer_plugin/plugin/plugin.dart'; | 9 import 'package:analyzer_plugin/plugin/plugin.dart'; |
10 import 'package:analyzer_plugin/protocol/protocol.dart'; | 10 import 'package:analyzer_plugin/protocol/protocol.dart'; |
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21 * | 21 * |
22 * Clients may not extend or implement this class, but are allowed to use it as | 22 * Clients may not extend or implement this class, but are allowed to use it as |
23 * a mix-in when creating a subclass of [ServerPlugin] that also uses | 23 * a mix-in when creating a subclass of [ServerPlugin] that also uses |
24 * [NavigationMixin] as a mix-in. | 24 * [NavigationMixin] as a mix-in. |
25 */ | 25 */ |
26 abstract class DartNavigationMixin implements NavigationMixin { | 26 abstract class DartNavigationMixin implements NavigationMixin { |
27 @override | 27 @override |
28 Future<NavigationRequest> getNavigationRequest( | 28 Future<NavigationRequest> getNavigationRequest( |
29 AnalysisGetNavigationParams parameters) async { | 29 AnalysisGetNavigationParams parameters) async { |
30 String path = parameters.file; | 30 String path = parameters.file; |
31 AnalysisDriver driver = driverForPath(path); | 31 ResolveResult result = await getResolveResult(path); |
32 if (driver == null) { | |
33 // Return an error from the request. | |
34 throw new RequestFailure( | |
35 RequestErrorFactory.pluginError('Failed to analyze $path', null)); | |
36 } | |
37 ResolveResult result = await driver.getResult(path); | |
38 return new DartNavigationRequestImpl( | 32 return new DartNavigationRequestImpl( |
39 resourceProvider, parameters.offset, parameters.length, result); | 33 resourceProvider, parameters.offset, parameters.length, result); |
40 } | 34 } |
41 } | 35 } |
42 | 36 |
43 /** | 37 /** |
44 * A mixin that can be used when creating a subclass of [ServerPlugin] to | 38 * A mixin that can be used when creating a subclass of [ServerPlugin] to |
45 * provide most of the implementation for handling navigation requests. | 39 * provide most of the implementation for handling navigation requests. |
46 * | 40 * |
47 * Clients may not extend or implement this class, but are allowed to use it as | 41 * Clients may not extend or implement this class, but are allowed to use it as |
48 * a mix-in when creating a subclass of [ServerPlugin]. | 42 * a mix-in when creating a subclass of [ServerPlugin]. |
49 */ | 43 */ |
50 abstract class NavigationMixin implements ServerPlugin { | 44 abstract class NavigationMixin implements ServerPlugin { |
51 /** | 45 /** |
52 * Return a list containing the navigation contributors that should be used to | 46 * Return a list containing the navigation contributors that should be used to |
53 * create navigation information for the file with the given [path] | 47 * create navigation information for the file with the given [path] |
54 */ | 48 */ |
55 List<NavigationContributor> getNavigationContributors(String path); | 49 List<NavigationContributor> getNavigationContributors(String path); |
56 | 50 |
57 /** | 51 /** |
58 * Return the navigation request that should be passes to the contributors | 52 * Return the navigation request that should be passes to the contributors |
59 * returned from [getNavigationContributors]. | 53 * returned from [getNavigationContributors]. |
| 54 * |
| 55 * Throw a [RequestFailure] if the request could not be created. |
60 */ | 56 */ |
61 Future<NavigationRequest> getNavigationRequest( | 57 Future<NavigationRequest> getNavigationRequest( |
62 AnalysisGetNavigationParams parameters); | 58 AnalysisGetNavigationParams parameters); |
63 | 59 |
64 @override | 60 @override |
65 Future<AnalysisGetNavigationResult> handleAnalysisGetNavigation( | 61 Future<AnalysisGetNavigationResult> handleAnalysisGetNavigation( |
66 AnalysisGetNavigationParams parameters) async { | 62 AnalysisGetNavigationParams parameters) async { |
67 String path = parameters.file; | 63 String path = parameters.file; |
68 NavigationRequest request = await getNavigationRequest(parameters); | 64 NavigationRequest request = await getNavigationRequest(parameters); |
69 NavigationGenerator generator = | 65 NavigationGenerator generator = |
70 new NavigationGenerator(getNavigationContributors(path)); | 66 new NavigationGenerator(getNavigationContributors(path)); |
71 GeneratorResult result = | 67 GeneratorResult result = |
72 await generator.generateNavigationResponse(request); | 68 await generator.generateNavigationResponse(request); |
73 result.sendNotifications(channel); | 69 result.sendNotifications(channel); |
74 return result.result; | 70 return result.result; |
75 } | 71 } |
76 } | 72 } |
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