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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, 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 library dart2js.serialization.task; | 5 library dart2js.serialization.task; |
6 | 6 |
7 import 'dart:async' show Future; | 7 import 'dart:async' show Future; |
8 | 8 |
9 import '../../compiler_new.dart'; | 9 import '../../compiler_new.dart'; |
10 import '../common/resolution.dart' show ResolutionImpact, ResolutionWorkItem; | 10 import '../common/resolution.dart' show ResolutionImpact, ResolutionWorkItem; |
11 import '../common/tasks.dart' show CompilerTask; | 11 import '../common/tasks.dart' show CompilerTask; |
12 import '../compiler.dart' show Compiler; | 12 import '../compiler.dart' show Compiler; |
13 import '../elements/elements.dart'; | 13 import '../elements/elements.dart'; |
| 14 import '../elements/entities.dart' show Entity; |
14 import '../universe/world_impact.dart' show WorldImpact; | 15 import '../universe/world_impact.dart' show WorldImpact; |
15 import 'json_serializer.dart'; | 16 import 'json_serializer.dart'; |
16 import 'serialization.dart'; | 17 import 'serialization.dart'; |
17 import 'system.dart'; | 18 import 'system.dart'; |
18 | 19 |
19 /// A deserializer that can load a library element by reading it's information | 20 /// A deserializer that can load a library element by reading it's information |
20 /// from a serialized form. | 21 /// from a serialized form. |
21 abstract class LibraryDeserializer { | 22 abstract class LibraryDeserializer { |
22 /// Loads the [LibraryElement] associated with a library under [uri], or null | 23 /// Loads the [LibraryElement] associated with a library under [uri], or null |
23 /// if no serialized information is available for the given library. | 24 /// if no serialized information is available for the given library. |
24 Future<LibraryElement> readLibrary(Uri uri); | 25 Future<LibraryElement> readLibrary(Uri uri); |
25 | 26 |
26 /// Returns `true` if [element] has been deserialized. | 27 /// Returns `true` if [element] has been deserialized. |
27 bool isDeserialized(Element element); | 28 bool isDeserialized(Entity element); |
28 } | 29 } |
29 | 30 |
30 /// Task that supports deserialization of elements. | 31 /// Task that supports deserialization of elements. |
31 class SerializationTask extends CompilerTask implements LibraryDeserializer { | 32 class SerializationTask extends CompilerTask implements LibraryDeserializer { |
32 final Compiler compiler; | 33 final Compiler compiler; |
33 SerializationTask(Compiler compiler) | 34 SerializationTask(Compiler compiler) |
34 : compiler = compiler, | 35 : compiler = compiler, |
35 super(compiler.measurer); | 36 super(compiler.measurer); |
36 | 37 |
37 DeserializerSystem deserializer; | 38 DeserializerSystem deserializer; |
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51 bool get supportsDeserialization => deserializer != null; | 52 bool get supportsDeserialization => deserializer != null; |
52 | 53 |
53 /// Returns the [LibraryElement] for [resolvedUri] if available from | 54 /// Returns the [LibraryElement] for [resolvedUri] if available from |
54 /// serialization. | 55 /// serialization. |
55 Future<LibraryElement> readLibrary(Uri resolvedUri) { | 56 Future<LibraryElement> readLibrary(Uri resolvedUri) { |
56 if (deserializer == null) return new Future<LibraryElement>.value(); | 57 if (deserializer == null) return new Future<LibraryElement>.value(); |
57 return deserializer.readLibrary(resolvedUri); | 58 return deserializer.readLibrary(resolvedUri); |
58 } | 59 } |
59 | 60 |
60 /// Returns `true` if [element] has been deserialized. | 61 /// Returns `true` if [element] has been deserialized. |
61 bool isDeserialized(Element element) { | 62 bool isDeserialized(Entity element) { |
62 return deserializer != null && deserializer.isDeserialized(element); | 63 return deserializer != null && deserializer.isDeserialized(element); |
63 } | 64 } |
64 | 65 |
65 bool hasResolutionImpact(Element element) { | 66 bool hasResolutionImpact(Element element) { |
66 return deserializer != null && deserializer.hasResolutionImpact(element); | 67 return deserializer != null && deserializer.hasResolutionImpact(element); |
67 } | 68 } |
68 | 69 |
69 ResolutionImpact getResolutionImpact(Element element) { | 70 ResolutionImpact getResolutionImpact(Element element) { |
70 return deserializer != null | 71 return deserializer != null |
71 ? deserializer.getResolutionImpact(element) | 72 ? deserializer.getResolutionImpact(element) |
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146 @override | 147 @override |
147 WorldImpact run() { | 148 WorldImpact run() { |
148 return worldImpact; | 149 return worldImpact; |
149 } | 150 } |
150 } | 151 } |
151 | 152 |
152 /// The interface for a system that supports deserialization of libraries and | 153 /// The interface for a system that supports deserialization of libraries and |
153 /// elements. | 154 /// elements. |
154 abstract class DeserializerSystem { | 155 abstract class DeserializerSystem { |
155 Future<LibraryElement> readLibrary(Uri resolvedUri); | 156 Future<LibraryElement> readLibrary(Uri resolvedUri); |
156 bool isDeserialized(Element element); | 157 bool isDeserialized(Entity element); |
157 bool hasResolvedAst(ExecutableElement element); | 158 bool hasResolvedAst(ExecutableElement element); |
158 ResolvedAst getResolvedAst(ExecutableElement element); | 159 ResolvedAst getResolvedAst(ExecutableElement element); |
159 bool hasResolutionImpact(Element element); | 160 bool hasResolutionImpact(Element element); |
160 ResolutionImpact getResolutionImpact(Element element); | 161 ResolutionImpact getResolutionImpact(Element element); |
161 WorldImpact computeWorldImpact(Element element); | 162 WorldImpact computeWorldImpact(Element element); |
162 } | 163 } |
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