Contact emails

ah...@chromium.org, ad...@chromium.org, v...@chromium.org

Explainer

https://github.com/WebAssembly/reference-types

Specification

https://github.com/WebAssembly/reference-types

Summary

Allow WebAssembly modules to hold references to JS/DOM objects, passing
them as arguments, storing them in locals and globals, and storing them in
WebAssembly.Table objects.



Blink component

Blink>JavaScript>WebAssembly
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3EWebAssembly>

Search tags

wasm <https://chromestatus.com/features#tags:wasm>, webassembly
<https://chromestatus.com/features#tags:webassembly>, host bindings
<https://chromestatus.com/features#tags:host%20bindings>, anyref
<https://chromestatus.com/features#tags:anyref>

TAG review

Not required for WebAssembly feature launches

TAG review status

Not applicable

Risks

Interoperability and Compatibility

Gecko: Already shipped (https://bugzilla.mozilla.org/show_bug.cgi?id=1444925
)

WebAssembly Reference Types are already standardized and part of the core
WebAssembly spec <https://github.com/WebAssembly/spec>


Debuggability

Supported using DevTools


Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
?

Yes, tests are provided by the WebAssembly spec
<https://github.com/WebAssembly/spec>.

Flag name

WebAssembly Reference Types can be enabled and disabled by the V8 Flag:
--experimental-wasm-reftypes

Requires code in //chrome?

False

Tracking bug

https://bugs.chromium.org/p/v8/issues/detail?id=7581

Launch bug

https://bugs.chromium.org/p/chromium/issues/detail?id=1155598

Estimated milestones

M95


Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/5166497248837632

This intent message was generated by Chrome Platform Status
<https://www.chromestatus.com/>.

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