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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 library code_transformers.src.resolvers; | 5 library code_transformers.src.resolvers; |
| 6 | 6 |
| 7 import 'dart:async'; | 7 import 'dart:async'; |
| 8 import 'package:barback/barback.dart'; | 8 import 'package:barback/barback.dart'; |
| 9 | 9 |
| 10 import 'package:analyzer/src/generated/engine.dart' show AnalysisOptions; |
| 10 import 'package:analyzer/src/generated/sdk.dart' show DartSdk; | 11 import 'package:analyzer/src/generated/sdk.dart' show DartSdk; |
| 11 import 'package:analyzer/src/generated/source.dart' show DartUriResolver; | 12 import 'package:analyzer/src/generated/source.dart' show DartUriResolver; |
| 12 | 13 |
| 13 import 'entry_point.dart'; | 14 import 'entry_point.dart'; |
| 14 import 'resolver.dart'; | 15 import 'resolver.dart'; |
| 15 import 'resolver_impl.dart'; | 16 import 'resolver_impl.dart'; |
| 16 import 'dart_sdk.dart' hide dartSdkDirectory; | 17 import 'dart_sdk.dart' hide dartSdkDirectory; |
| 17 | 18 |
| 18 /// Barback-based code resolvers which maintains up-to-date resolved ASTs for | 19 /// Barback-based code resolvers which maintains up-to-date resolved ASTs for |
| 19 /// the specified code entry points. | 20 /// the specified code entry points. |
| 20 /// | 21 /// |
| 21 /// This can used by transformers dependent on resolved ASTs to handle the | 22 /// This can used by transformers dependent on resolved ASTs to handle the |
| 22 /// resolution of the AST and cache the results between compilations. | 23 /// resolution of the AST and cache the results between compilations. |
| 23 /// | 24 /// |
| 24 /// If multiple transformers rely on a resolved AST they should (ideally) share | 25 /// If multiple transformers rely on a resolved AST they should (ideally) share |
| 25 /// the same Resolvers object to minimize re-parsing the AST. | 26 /// the same Resolvers object to minimize re-parsing the AST. |
| 26 class Resolvers { | 27 class Resolvers { |
| 27 final Map<AssetId, Resolver> _resolvers = {}; | 28 final Map<AssetId, Resolver> _resolvers = {}; |
| 28 final DartSdk dartSdk; | 29 final DartSdk dartSdk; |
| 29 final DartUriResolver dartUriResolver; | 30 final DartUriResolver dartUriResolver; |
| 31 final AnalysisOptions options; |
| 30 | 32 |
| 31 Resolvers.fromSdk(this.dartSdk, this.dartUriResolver); | 33 Resolvers.fromSdk(this.dartSdk, this.dartUriResolver, {this.options}); |
| 32 | 34 |
| 33 factory Resolvers(dartSdkDirectory) { | 35 factory Resolvers(dartSdkDirectory, {AnalysisOptions options}) { |
| 34 var sdk = new DirectoryBasedDartSdkProxy(dartSdkDirectory); | 36 var sdk = new DirectoryBasedDartSdkProxy(dartSdkDirectory); |
| 35 var uriResolver = new DartUriResolverProxy(sdk); | 37 var uriResolver = new DartUriResolverProxy(sdk); |
| 36 return new Resolvers.fromSdk(sdk, uriResolver); | 38 return new Resolvers.fromSdk(sdk, uriResolver, options: options); |
| 37 } | 39 } |
| 38 | 40 |
| 39 factory Resolvers.fromMock(Map<String, String> sources, | 41 factory Resolvers.fromMock(Map<String, String> sources, |
| 40 {bool reportMissing: false}) { | 42 {bool reportMissing: false, AnalysisOptions options}) { |
| 41 var sdk = new MockDartSdk(sources, reportMissing: reportMissing); | 43 var sdk = new MockDartSdk(sources, reportMissing: reportMissing); |
| 42 return new Resolvers.fromSdk(sdk, sdk.resolver); | 44 return new Resolvers.fromSdk(sdk, sdk.resolver, options: options); |
| 43 } | 45 } |
| 44 | 46 |
| 45 /// Get a resolver for [transform]. If provided, this resolves the code | 47 /// Get a resolver for [transform]. If provided, this resolves the code |
| 46 /// starting from each of the assets in [entryPoints]. If not, this resolves | 48 /// starting from each of the assets in [entryPoints]. If not, this resolves |
| 47 /// the code starting from `transform.primaryInput.id` by default. | 49 /// the code starting from `transform.primaryInput.id` by default. |
| 48 /// | 50 /// |
| 49 /// [Resolver.release] must be called once it's done being used, or | 51 /// [Resolver.release] must be called once it's done being used, or |
| 50 /// [ResolverTransformer] should be used to automatically release the | 52 /// [ResolverTransformer] should be used to automatically release the |
| 51 /// resolver. | 53 /// resolver. |
| 52 Future<Resolver> get(Transform transform, [List<AssetId> entryPoints]) { | 54 Future<Resolver> get(Transform transform, [List<AssetId> entryPoints]) { |
| 53 var id = transform.primaryInput.id; | 55 var id = transform.primaryInput.id; |
| 54 var resolver = _resolvers.putIfAbsent(id, | 56 var resolver = _resolvers.putIfAbsent(id, |
| 55 () => new ResolverImpl(dartSdk, dartUriResolver)); | 57 () => new ResolverImpl(dartSdk, dartUriResolver, options: options)); |
| 56 return resolver.resolve(transform, entryPoints); | 58 return resolver.resolve(transform, entryPoints); |
| 57 } | 59 } |
| 58 } | 60 } |
| 59 | 61 |
| 60 /// Transformer mixin which automatically gets and releases resolvers. | 62 /// Transformer mixin which automatically gets and releases resolvers. |
| 61 /// | 63 /// |
| 62 /// To use mix this class in, set the resolvers field and override | 64 /// To use mix this class in, set the resolvers field and override |
| 63 /// [applyResolver]. | 65 /// [applyResolver]. |
| 64 abstract class ResolverTransformer implements Transformer { | 66 abstract class ResolverTransformer implements Transformer { |
| 65 /// The cache of resolvers- must be set from subclass. | 67 /// The cache of resolvers- must be set from subclass. |
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| 113 resolver.release(); | 115 resolver.release(); |
| 114 }); | 116 }); |
| 115 }); | 117 }); |
| 116 } | 118 } |
| 117 | 119 |
| 118 /// Invoked when the resolver is ready to be processed. | 120 /// Invoked when the resolver is ready to be processed. |
| 119 /// | 121 /// |
| 120 /// Return a Future to indicate when apply is completed. | 122 /// Return a Future to indicate when apply is completed. |
| 121 applyResolver(Transform transform, Resolver resolver); | 123 applyResolver(Transform transform, Resolver resolver); |
| 122 } | 124 } |
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