| commit | c936c0fdd2e6b1c45240bfe3fa706a4e201fface | [log] [tgz] |
|---|---|---|
| author | Nate Biggs <natebiggs@google.com> | Wed Sep 04 21:58:12 2024 +0000 |
| committer | Commit Queue <dart-scoped@luci-project-accounts.iam.gserviceaccount.com> | Wed Sep 04 21:58:12 2024 +0000 |
| tree | 4a77f179f2d6e300667da9f349c33e2e935988e1 | |
| parent | 56536825ed422c7d5217cf653841768905e6d5db [diff] |
[dart2wasm] Add deferred loading support to dart2wasm (11/X). This is the final CL for deferred loading. It wires up the library-module analysis logic to the compiler. With all the Translator module predicates implemented, code should now be generated in separate modules (assuming the flag is enabled). This also handles the module naming scheme. For an invocation of dart2wasm like `dart2wasm main.dart out.wasm` this will produce files like `out.mjs, out.wasm, out_module1.wasm, out_module2.wasm, ...`. `out.wasm` is the main module that gets loaded on initialization. When the flag is disabled this will always be the only output. If the flag is disabled then the `_importMapping` in `deferred.dart` will be empty and we will default to the same behavior as today which will be to just return an empty `Future`. When enabled, `loadLibrary` will fetch and instantiate the new module(s) before proceeding. Change-Id: I0dd136c0af61b916be2a24b3d79052ff1b786b52 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/380440 Reviewed-by: Martin Kustermann <kustermann@google.com>
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 is free and open source.
See LICENSE and PATENT_GRANT.
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.
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If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.
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