| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library code_transformers.src.dart_sdk; |
| |
| import 'dart:io' show Directory; |
| |
| import 'package:analyzer/src/generated/engine.dart'; |
| import 'package:analyzer/src/generated/java_io.dart'; |
| import 'package:analyzer/src/generated/sdk.dart'; |
| import 'package:analyzer/src/generated/sdk_io.dart' show DirectoryBasedDartSdk; |
| import 'package:analyzer/src/generated/source.dart'; |
| import 'package:cli_util/cli_util.dart' as cli_util; |
| |
| /// Attempts to provide the current Dart SDK directory. |
| /// |
| /// This will return null if the SDK cannot be found |
| /// |
| /// Note that this may not be correct when executing outside of `pub`. |
| String get dartSdkDirectory { |
| Directory sdkDir = cli_util.getSdkDir(); |
| return sdkDir != null ? sdkDir.path : null; |
| } |
| |
| /// Sources that are annotated with a source uri, so it is easy to resolve how |
| /// to support `Resolver.getImportUri`. |
| abstract class UriAnnotatedSource extends Source { |
| Uri get uri; |
| } |
| |
| /// Dart SDK which wraps all Dart sources as [UriAnnotatedSource] to ensure they |
| /// are tracked with Uris. |
| class DirectoryBasedDartSdkProxy extends DirectoryBasedDartSdk { |
| DirectoryBasedDartSdkProxy(String sdkDirectory) |
| : super(new JavaFile(sdkDirectory)); |
| |
| Source mapDartUri(String dartUri) => |
| DartSourceProxy.wrap(super.mapDartUri(dartUri), Uri.parse(dartUri)); |
| } |
| |
| /// Dart SDK resolver which wraps all Dart sources to ensure they are tracked |
| /// with URIs. |
| class DartUriResolverProxy implements DartUriResolver { |
| final DartUriResolver _proxy; |
| DartUriResolverProxy(DartSdk sdk) : _proxy = new DartUriResolver(sdk); |
| |
| Source resolveAbsolute(Uri uri) => |
| DartSourceProxy.wrap(_proxy.resolveAbsolute(uri), uri); |
| |
| DartSdk get dartSdk => _proxy.dartSdk; |
| |
| Source fromEncoding(UriKind kind, Uri uri) => |
| throw new UnsupportedError('fromEncoding is not supported'); |
| |
| Uri restoreAbsolute(Source source) => |
| throw new UnsupportedError('restoreAbsolute is not supported'); |
| } |
| |
| /// Source file for dart: sources which track the sources with dart: URIs. |
| /// |
| /// This is primarily to support [Resolver.getImportUri] for Dart SDK (dart:) |
| /// based libraries. |
| class DartSourceProxy implements UriAnnotatedSource { |
| |
| /// Absolute URI which this source can be imported from |
| final Uri uri; |
| |
| /// Underlying source object. |
| final Source _proxy; |
| |
| Source get source => this; |
| |
| DartSourceProxy(this._proxy, this.uri); |
| |
| /// Ensures that [source] is a DartSourceProxy. |
| static DartSourceProxy wrap(Source source, Uri uri) { |
| if (source == null || source is DartSourceProxy) return source; |
| return new DartSourceProxy(source, uri); |
| } |
| |
| // Note: to support both analyzer versions <0.22.0 and analyzer >=0.22.0, we |
| // implement both `resolveRelative` and `resolveRelativeUri`. Only one of them |
| // is available at a time in the analyzer package, so we use the `as dynamic` |
| // in these methods to hide warnings for the code that is missing. These APIs |
| // are invoked from the analyzer itself, so we don't expect them to cause |
| // failures. |
| Source resolveRelative(Uri relativeUri) { |
| // Assume that the type can be accessed via this URI, since these |
| // should only be parts for dart core files. |
| return wrap((_proxy as dynamic).resolveRelative(relativeUri), uri); |
| } |
| |
| Uri resolveRelativeUri(Uri relativeUri) { |
| return (_proxy as dynamic).resolveRelativeUri(relativeUri); |
| } |
| |
| bool exists() => _proxy.exists(); |
| |
| bool operator ==(Object other) => |
| (other is DartSourceProxy && _proxy == other._proxy); |
| |
| int get hashCode => _proxy.hashCode; |
| |
| TimestampedData<String> get contents => _proxy.contents; |
| |
| String get encoding => _proxy.encoding; |
| |
| String get fullName => _proxy.fullName; |
| |
| int get modificationStamp => _proxy.modificationStamp; |
| |
| String get shortName => _proxy.shortName; |
| |
| UriKind get uriKind => _proxy.uriKind; |
| |
| bool get isInSystemLibrary => _proxy.isInSystemLibrary; |
| } |
| |
| /// Dart SDK which contains a mock implementation of the SDK libraries. May be |
| /// used to speed up resultion when most of the core libraries is not needed. |
| class MockDartSdk implements DartSdk { |
| final Map<Uri, _MockSdkSource> _sources = {}; |
| final bool reportMissing; |
| final Map<String, SdkLibrary> _libs = {}; |
| final String sdkVersion = '0'; |
| List<String> get uris => _sources.keys.map((uri) => '$uri').toList(); |
| final AnalysisContext context = new SdkAnalysisContext(); |
| DartUriResolver _resolver; |
| DartUriResolver get resolver => _resolver; |
| |
| MockDartSdk(Map<String, String> sources, {this.reportMissing}) { |
| sources.forEach((uriString, contents) { |
| var uri = Uri.parse(uriString); |
| _sources[uri] = new _MockSdkSource(uri, contents); |
| _libs[uriString] = new SdkLibraryImpl(uri.path) |
| ..setDart2JsLibrary() |
| ..setVmLibrary(); |
| }); |
| _resolver = new DartUriResolver(this); |
| context.sourceFactory = new SourceFactory([_resolver]); |
| } |
| |
| List<SdkLibrary> get sdkLibraries => _libs.values.toList(); |
| SdkLibrary getSdkLibrary(String dartUri) => _libs[dartUri]; |
| Source mapDartUri(String dartUri) => _getSource(Uri.parse(dartUri)); |
| |
| Source fromEncoding(UriKind kind, Uri uri) { |
| if (kind != UriKind.DART_URI) { |
| throw new UnsupportedError('expected dart: uri kind, got $kind.'); |
| } |
| return _getSource(uri); |
| } |
| |
| Source _getSource(Uri uri) { |
| var src = _sources[uri]; |
| if (src == null) { |
| if (reportMissing) print('warning: missing mock for $uri.'); |
| _sources[uri] = |
| src = new _MockSdkSource(uri, 'library dart.${uri.path};'); |
| } |
| return src; |
| } |
| |
| @override |
| Source fromFileUri(Uri uri) { |
| throw new UnsupportedError('MockDartSdk.fromFileUri'); |
| } |
| } |
| |
| class _MockSdkSource implements UriAnnotatedSource { |
| /// Absolute URI which this source can be imported from. |
| final Uri uri; |
| final String _contents; |
| |
| Source get source => this; |
| |
| _MockSdkSource(this.uri, this._contents); |
| |
| bool exists() => true; |
| |
| int get hashCode => uri.hashCode; |
| |
| final int modificationStamp = 1; |
| |
| TimestampedData<String> get contents => |
| new TimestampedData(modificationStamp, _contents); |
| |
| String get encoding => "${uriKind.encoding}$uri"; |
| |
| String get fullName => shortName; |
| |
| String get shortName => uri.path; |
| |
| UriKind get uriKind => UriKind.DART_URI; |
| |
| bool get isInSystemLibrary => true; |
| |
| Source resolveRelative(Uri relativeUri) => |
| throw new UnsupportedError('not expecting relative urls in dart: mocks'); |
| |
| Uri resolveRelativeUri(Uri relativeUri) => |
| throw new UnsupportedError('not expecting relative urls in dart: mocks'); |
| } |
| |
| /// Sample mock SDK sources. |
| final Map<String, String> mockSdkSources = { |
| // The list of types below is derived from types that are used internally by |
| // the resolver (see _initializeFrom in analyzer/src/generated/resolver.dart). |
| 'dart:core': ''' |
| library dart.core; |
| |
| void print(Object o) {} |
| |
| class Object { |
| String toString(){} |
| } |
| class Function {} |
| class StackTrace {} |
| class Symbol {} |
| class Type {} |
| |
| class String {} |
| class bool {} |
| class num { |
| num operator +(num other) {} |
| } |
| class int extends num { |
| int operator-() {} |
| } |
| class double extends num {} |
| class DateTime {} |
| class Null {} |
| |
| class Deprecated { |
| final String expires; |
| const Deprecated(this.expires); |
| } |
| const Object deprecated = const Deprecated("next release"); |
| class _Override { const _Override(); } |
| const Object override = const _Override(); |
| class _Proxy { const _Proxy(); } |
| const Object proxy = const _Proxy(); |
| |
| class Iterable<E> {} |
| class List<E> implements Iterable<E> {} |
| class Map<K, V> {} |
| ''', |
| 'dart:async': ''' |
| class Future<T> { |
| Future then(callback) {} |
| class Stream<T> {} |
| ''', |
| 'dart:html': ''' |
| library dart.html; |
| class HtmlElement {} |
| ''', |
| }; |