Alexander Aprelev d32e86aaff [vm/debugger] Speed up Debugger::IsDebugging and Function::HasBreakpoint checks.
Introduce GroupDebugger::IsDebugging check that doesn't need to iterate through all isolates debuggers to confirm whether some debugger is stepping through the code or if function has a breakpoint in it.
Replace Debugger::HasBreakpoint with GroupDebugger::HasBreakpoint.

Fixes https://github.com/dart-lang/sdk/issues/45513
Fixes https://github.com/dart-lang/sdk/issues/45517

Issue https://github.com/dart-lang/sdk/issues/36097

TEST=existing ci test suite

Change-Id: I5250bbc05d77c1333d52fb0ecab5e9f7b6f8c651
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/193445
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2021-04-02 01:46:08 +00:00
2021-03-09 20:37:20 +00:00
2021-03-30 06:30:08 +00:00
2019-08-16 12:03:17 +00:00
2020-01-20 09:32:58 +00:00
2021-01-11 23:51:20 +00:00

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation.

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app.

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web.

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 on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.

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