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Tess Strickland dc62c9c3c2 [vm/compiler] Write retained reasons JSON to a file.
Instead of being part of the --trace-precompiler output, there is
is a new flag --write-retained-reasons-to=<path>.

To allow for non-functions to have reasons for retention, the
JSON objects in the array now have one additional field:

* type: a string, the C++ type of the Dart object.

This CL also wraps all the machinery in a RetainedReasonsWriter
class instead of putting it in the Precompiler interface.

TEST=vm/dart{,2}/use_trace_precompiler_flag

Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-precomp-nnbd-linux-release-x64-try
Change-Id: Ifa40ac64fdcbdad5114499425c7f8b08e327fa76
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/190525
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2021-03-15 08:37:40 +00:00
.dart_tool Update to the latest package:test 2021-03-12 18:14:37 +00:00
.github Remove obsolete dartfix build target and scripts 2020-11-13 09:18:36 +00:00
benchmarks [ffi/benchmark] Refactor FfiCall benchmarks. 2021-03-02 16:06:22 +00:00
build [build] Setup cross-build for ARM64 Mac; still doesn't link. 2021-02-09 23:59:18 +00:00
client Remove old annotated_steps buildbot scripts and dispatcher 2017-05-23 16:17:02 +02:00
docs Minor fixes to breaking change process 2021-01-15 21:44:22 +00:00
pkg [cfe] If statements for const functions. 2021-03-12 21:09:08 +00:00
runtime [vm/compiler] Write retained reasons JSON to a file. 2021-03-15 08:37:40 +00:00
samples [test] Apply simarm64 status file entries to simarm64c. 2021-02-25 21:18:02 +00:00
samples-dev/swarm Opt out some files from null safety. 2020-10-12 22:15:42 +00:00
samples_2 [test] Apply simarm64 status file entries to simarm64c. 2021-02-25 21:18:02 +00:00
sdk Tag all code blocks which were missing language tags. 2021-03-10 18:09:53 +00:00
tests [cfe] If statements for const functions. 2021-03-12 21:09:08 +00:00
third_party [vm] Remove traces of LLVM backend 2021-03-09 20:37:20 +00:00
tools [infra] Fix type errors in Firestore client 2021-03-11 18:37:51 +00:00
utils [test] Apply simarm64 status file entries to simarm64c. 2021-02-25 21:18:02 +00:00
.clang-format VM: Re-format to use at most one newline between functions 2017-07-13 08:08:37 -07:00
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig [infra] Add documentation to .gitconfig 2018-06-11 18:24:16 +00:00
.gitignore [vm] Remove traces of LLVM backend 2021-03-09 20:37:20 +00:00
.gn
.mailmap fix my name in .mailmap 2018-09-11 01:45:52 +00:00
.packages [ package:vm_service ] Update tests to be compatible with pub run test 2021-02-12 07:12:54 +00:00
.style.yapf Mass format python with yapf 2019-08-05 20:34:31 +00:00
.vpython [infra] Add .vpython spec to fix gsutil on the bots (#31065) 2018-10-11 15:11:35 +00:00
AUTHORS [runtime/vm] ARM64: Support unaligned memory accesses for regex. 2019-10-15 20:11:40 +00:00
BUILD.gn [vm] Remove traces of LLVM backend 2021-03-09 20:37:20 +00:00
CHANGELOG.md [release] Add changelog for 2.12.1 2021-03-10 09:14:51 +00:00
codereview.settings Update codereview.settings to Gerrit (dart-review.googlesource.com) 2017-09-04 12:52:09 +00:00
CONTRIBUTING.md [doc] Updated dart.dev web repo link 2021-02-22 12:15:22 +00:00
DEPS Update to the latest package:test 2021-03-12 18:14:37 +00:00
LICENSE Remove third_party licenses from LICENSE 2019-08-21 07:43:34 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py Add gclient sync to package_config.json presubmit message 2021-02-12 01:44:47 +00:00
README.dart-sdk Add dart2native to sdk README 2020-01-20 09:32:58 +00:00
README.md Update README.md 2021-01-11 23:51:20 +00:00
sdk_args.gni [build] Automatically rebuild sdk_hash when the Git commit changes. 2020-07-09 21:12:15 +00:00
WATCHLISTS Remove keertip@ from watchlists for build changes 2021-03-11 21:45:41 +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.