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Zach Anderson d7df61e042 Revert "[vm] Generate event ids for synchronous begin and end events." 
This reverts commit 7fe44864d6.

Reason for revert: https://github.com/flutter/flutter/issues/106957

Original change's description:
> [vm] Generate event ids for synchronous begin and end events.
>
> os_signposts needs explicit ids to match begin and end events, whereas all other trace systems do this implicitly.
>
> TEST=Instruments
> Bug: https://github.com/dart-lang/sdk/issues/49178
> Change-Id: Ifeeaa1dfe823a0d5668f48b8c584f8bdeef23212
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/249951
> Reviewed-by: Siva Annamalai <asiva@google.com>
> Commit-Queue: Ryan Macnak <rmacnak@google.com>

TBR=rmacnak@google.com,asiva@google.com

Change-Id: Id86959d08b5352b5446b6f294a8302b88b4fa0c8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: https://github.com/dart-lang/sdk/issues/49178
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/250403
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Liam Appelbe <liama@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Liam Appelbe <liama@google.com>
2022-07-01 16:08:40 +00:00
.dart_tool [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
.github [scorecards] Remove outdated version comments 2022-06-08 15:29:00 +00:00
benchmarks Add MapCopy to Omnibus benchmarks 2022-06-28 19:53:23 +00:00
build Reland "Update clang and gn to match Fuchsia." 2022-06-22 21:54:25 +00:00
docs Update breaking change process to account for language versioning 2022-06-14 17:45:37 +00:00
pkg [_fe_analyzer_shared] fix 4 spaces comments as code block 2022-07-01 15:55:00 +00:00
runtime Revert "[vm] Generate event ids for synchronous begin and end events." 2022-07-01 16:08:40 +00:00
samples [samples/ffi] Run the async samples in sequence 2022-06-29 09:48:46 +00:00
samples-dev Migrate swarm's swarm_ui_lib/layout 2022-06-17 17:28:24 +00:00
samples_2 [samples/ffi] Run the async samples in sequence 2022-06-29 09:48:46 +00:00
sdk Revert "[vm] Generate event ids for synchronous begin and end events." 2022-07-01 16:08:40 +00:00
tests [vm] Fix soundness issue when awaiting a user-defined Future 2022-06-30 22:53:24 +00:00
third_party move the third_party/pkg_tested packages into third_party/pkg 2022-06-13 17:04:36 +00:00
tools [dart:html] Add MathMLElement 2022-06-27 23:10:12 +00:00
utils [ddc] Include shared library for new runtime types 2022-05-25 18:23:29 +00:00
.clang-format
.gitattributes
.gitconfig
.gitignore [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
.gn
.mailmap
.style.yapf
.vpython
AUTHORS [vm] Support RISC-V. 2022-01-20 00:57:57 +00:00
BUILD.gn [deps] remove the dep on package:charcode 2022-06-08 19:49:22 +00:00
CHANGELOG.md [release] Add changelog for 2.17.5 2022-06-27 08:35:29 +00:00
codereview.settings
CONTRIBUTING.md Add more details to contributing docs 2022-03-16 07:56:58 +00:00
DEPS Roll Dart Documentation Generator from 58348a98b992 to d8195107d3e6 (1 revision) 2022-06-27 23:42:32 +00:00
LICENSE
OWNERS [infra] Give VM engineers OWNERS over tools/gn.py et al. 2022-04-25 17:47:23 +00:00
PATENT_GRANT
PRESUBMIT.py [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
README.dart-sdk [sdk] - Update README file in sdk. 2021-10-25 16:08:40 +00:00
README.md
sdk_args.gni Fix typos 2022-06-15 11:08:28 +00:00
SECURITY.md Add link to published advisories 2022-02-08 19:45:07 +00:00
WATCHLISTS [dart2js] More shared_messages.dart cleanup 2021-09-22 19:20:54 +00:00

README.md

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.