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Clement Skau 34dbe66e7d [SDK] Clean up tools/utils.py. Style; Py2/3 compatible;
- Imports __future__.print_function to make printing consistent and
  robust across Python versions.
- Removes do-nothing os.path.join()s.
- Replaces all " with ' for consistency.
- Further gathers all "consts" and helpers at the top.
- Replaces old-style modulo formatting operator with new-style .format().
- Removes redundant if-return-else-return patterns for readability.
- Parameterises several subprocess cwd instead of hardcoded values.
  This should make it easier to use with other paths (g3 builds).
- Adds decode()'ing to process output to convert bytes to strs.
  This stops json.dump crashing in Py3. As well as Golem crashing in gn.
- Style, formatting, etc., etc.

Change-Id: I2bd7136aa18b12c4b18d9260f1539f16630065a2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152842
Commit-Queue: Clement Skau <cskau@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2020-06-30 13:22:30 +00:00
.dart_tool
.github
benchmarks
build
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docs
pkg Flow analysis: simplify marking of loop-assigned variables as not-unassigned 2020-06-30 02:46:26 +00:00
runtime [vm/compiler] Do not notify observers if we failed to create code. 2020-06-30 07:10:56 +00:00
samples
samples-dev/swarm
sdk
tests
third_party
tools [SDK] Clean up tools/utils.py. Style; Py2/3 compatible; 2020-06-30 13:22:30 +00:00
utils
.clang-format
.gitattributes
.gitconfig
.gitignore
.gn
.mailmap
.packages
.style.yapf
.vpython
AUTHORS
BUILD.gn
CHANGELOG.md
codereview.settings
CONTRIBUTING.md
DEPS Roll benchmarks-internal to 2d9d76e04ce0a997ad3eb4e5e320e89e727af8a5 2020-06-30 00:26:44 +00:00
LICENSE
PATENT_GRANT
PRESUBMIT.py
README.dart-sdk
README.md
sdk_args.gni
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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 the dart.dev to learn more about the language, tools, getting started, and more.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

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.