Erik Ernst 5656806517 Update the spec parser to support new();`
This CL changes the spec parser specification (Dart.g and Dart.g4) such
that the grammar allows for the new style of constructor declarations
(such as `new();` and `new name();`). It also adjusts the declaring body
constructor syntax to use the same style (`this();` and `this name();`).
Finally, it updates a few non-terminals to use a naming that avoids the
ambiguity of `classNamePart`. These changes introduce about 5 new
failures when parsing $SDK/tests/language.

Change-Id: I3e6ac9f0782e3bde863a13c93a54a089c93c7e13
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/456640
Reviewed-by: Chloe Stefantsova <cstefantsova@google.com>
Commit-Queue: Erik Ernst <eernst@google.com>
2025-11-03 01:35:25 -08:00
2025-06-04 01:15:10 -07:00
2025-05-01 00:37:54 -07:00
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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