Danny Tuppeny c5fb640747 [analysis_server] Handle request cancellation when a request is waiting for an outbound user prompt
This updates the `showUserPrompt` method to accept a cancellation token so that if requests are cancelled (by the client, or something like a second refactor cancelling the first), the prompt is also cancelled (and when the response arrives, it can be ignored).

Note: Unfortunately the protocol (and VS Code) don't actually allow for the prompt to be cancelled/hidden from the user, this is mainly to avoid us keeping the request "alive" on the server if the user ignores a prompt and we know the parent request was cancelled anyway.

Fixes https://github.com/dart-lang/sdk/issues/63285

Change-Id: Ia77880a749b284a2ff31c8cf560307ad908d2175
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/499360
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
2026-04-29 13:57:38 -07:00
2026-04-29 08:10:43 -07:00
2026-04-29 05:16:01 -07:00
2026-02-20 05:35:13 -08:00
2026-03-04 18:41:25 -08:00
2025-03-10 03:22:36 -07:00

Dart

An approachable, portable, and productive language for high-quality apps on any platform

Dart is:

  • Approachable: Develop with a strongly typed programming language that is consistent, concise, and offers modern language features like null safety and patterns.

  • Portable: Compile to ARM, x64, or RISC-V machine code for mobile, desktop, and backend. Compile to JavaScript or WebAssembly for the web.

  • 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:

  • 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.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

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.

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