Expand ScopeContext into the single place that manages resolver name-scope transitions, and migrate visitors to use it directly. ScopeContext now: - Owns the current name scope and handles push/pop via withScope(). - Provides focused helpers for common resolver scopes: - withLocalScope(), withInstanceScope(), withExtensionScope() - withTypeParameterScope() and withTypeParameterList() - withFormalParameterScope() - withConstructorInitializerScope() and withPrimaryParameterScope() - withDocImportScope() for documentation comment resolution - Renames walkMixinDeclarationScopes() to visitMixinDeclaration() and routes mixin traversal through the shared helper. Update ResolutionVisitor, ScopeResolverVisitor, and ReferenceResolver to: - Remove temporary routing getters/methods and ad-hoc try/finally scope management. - Use the new ScopeContext helpers for consistent scoping across declarations, function bodies, and DeCo/primary-constructor-related initializer contexts. - Reduce duplicated scope wiring and keep scope behavior localized for easier future evolution. Change-Id: I753cccc4ed14b4b7c4f34f9c91f5d00895f84c5f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/481981 Commit-Queue: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Paul Berry <paulberry@google.com>
Dart
An approachable, portable, and productive language for high-quality apps on any platform
Dart is:
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Approachable: Develop with a strongly typed programming language that is consistent, concise, and offers modern language features like null safety and patterns.
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Portable: Compile to ARM, x64, or RISC-V machine code for mobile, desktop, and backend. Compile to JavaScript or WebAssembly for the web.
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Productive: Make changes iteratively: use hot reload to see the result instantly in your running app. Diagnose app issues using DevTools.
Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:
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Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.
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Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).
License & patents
Dart is free and open source.
See LICENSE and PATENT_GRANT.
Using Dart
Visit dart.dev to learn more about the language, tools, and to find codelabs.
Browse pub.dev for more packages and libraries contributed by the community and the Dart team.
Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).
Building Dart
If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.
There are more documents in our repo at docs.
Contributing to Dart
The easiest way to contribute to Dart is to file issues.
You can also contribute patches, as described in Contributing.
Roadmap
Future plans for Dart are included in the combined Dart and Flutter roadmap on the Flutter wiki.