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Ömer Sinan Ağacan 3b5065b49e [dart2wasm] Implement unmodifiable JS byte data 
18994e6e46 removed unmodifiable view classes in the standard library
that can make any implementation of `ByteData` and other typed_data
types unmodifiable.

Add a `_immutable` field to `JSDataViewImpl`, implement
`asUnmodifiableView`.

An alternative implementation would be adding a subcalss with overridden
setters. However I think a simple boolean flag check should be better,
as adding a subtype can make call sites polymorphic and prevent direct
calls and inlining.

(We can't do the same in native typed_data types because we allocate
Wasm arrays with different element types for the fastest possible
implementation in the common cases, so we need different `ByteData`
implementations for different Wasm array types.)

Bug: #56014
Change-Id: I674121cff14559128bc2a9deb318a3bc6adf316d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/372082
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Ömer Ağacan <omersa@google.com>
2024-06-18 13:35:50 +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 [triage] update the triage workflow to use the dartbot github token 2024-06-13 16:53:26 +00:00
benchmarks [benchmarks] Add Function.toJS benchmark 2024-06-14 19:42:10 +00:00
build Add 'coverage' flag, defaulting to true, but let the gn application_snapshot default it to false 2024-06-18 09:10:00 +00:00
docs [triage] contribute an issue triage github workflow 2024-06-07 16:07:30 +00:00
pkg [analyzer]/[analysis_server] Handle parse errors in analysis_options.yaml better + tweak unhandled exception text 2024-06-17 23:15:51 +00:00
runtime Add 'coverage' flag, defaulting to true, but let the gn application_snapshot default it to false 2024-06-18 09:10:00 +00:00
samples [infra] Expand sanitizer test coverage. 2024-05-02 23:31:48 +00:00
sdk [dart2wasm] Implement unmodifiable JS byte data 2024-06-18 13:35:50 +00:00
tests Improve highlight range for some ffi diagnostics 2024-06-17 15:25:06 +00:00
third_party [third_party] Add jsshell binaries to gitignore 2024-06-14 09:33:07 +00:00
tools [3xH] Migrate apply.sh to python 3.12 2024-06-14 06:52:12 +00:00
utils Add 'coverage' flag, defaulting to true, but let the gn application_snapshot default it to false 2024-06-18 09:10:00 +00:00
.clang-format
.gitattributes Fix allowing Windows newlines in sh files. 2024-03-19 11:27:14 +00:00
.gitconfig [infra] Add documentation to .gitconfig 2018-06-11 18:24:16 +00:00
.gitignore [infra] Support testing with RBE on Windows. 2024-02-29 10:33:09 +00:00
.gn [build] Switch to Fuchsia core SDK. 2023-11-10 19:23:11 +00:00
.mailmap Fixed various typos in a lot of files 2022-07-25 12:21:59 +00:00
.style.yapf
AUTHORS Simplify the license situation 2022-09-14 21:06:22 +00:00
BUILD.gn [tools] Allow precompiling gen_kernel and compile_platform 2024-05-24 09:40:39 +00:00
CHANGELOG.md [typed_data] Remove UnmodifiableXXXView classes 2024-06-13 22:18:29 +00:00
codereview.settings [infra] Default presubmits to use python3 2021-08-24 08:20:47 +00:00
CONTRIBUTING.md [wiki] move the https://github.com/dart-lang/sdk/wiki to the docs/ dir 2024-05-16 18:19:40 +00:00
DEPS [deps] rev ecosystem, vector_math 2024-06-17 18:11:29 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
OWNERS add package:_macros (SDK vendored) and package:macros (pub published) 2024-03-26 18:40:00 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py [infra] Add clang-format to PRESUBMIT.py 2024-04-19 15:45:16 +00:00
README.dart-sdk Update README.dart-sdk for inclusion of AOT snapshots 2023-11-21 10:33:22 +00:00
README.md [wiki] move the https://github.com/dart-lang/sdk/wiki to the docs/ dir 2024-05-16 18:19:40 +00:00
sdk_args.gni [tools] Allow precompiling gen_kernel and compile_platform 2024-05-24 09:40:39 +00:00
sdk_packages.yaml add package:_macros (SDK vendored) and package:macros (pub published) 2024-03-26 18:40:00 +00:00
sdk.code-workspace [cleanup] Remove co19_2 and other references to _2 suites 2023-11-22 11:15:57 +00:00
SECURITY.md Add link to published advisories 2022-02-08 19:45:07 +00:00
WATCHLISTS [analyzer] Properly close analyzer WATCHLISTS entry 2023-12-10 18:02:25 +00:00

README.md

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.