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Give SharedArrayBuffer a dedicated type (downstream) #1320

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annevk opened this issue Jun 14, 2023 · 2 comments
Open
2 of 5 tasks

Give SharedArrayBuffer a dedicated type (downstream) #1320

annevk opened this issue Jun 14, 2023 · 2 comments

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@annevk
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annevk commented Jun 14, 2023 •
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I wanted to create a tracking issue corresponding to PR #1311 as the issues it resolves aren't directly about that and it would be good to have a central place to coordinate all the downstream work.

Everything under [AllowShared] in https://dontcallmedom.github.io/webidlpedia/extended-attributes.html is impacted:

I'm pretty sure that's it, but if people think there might be more let me know.
@bathos
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bathos commented Jun 15, 2023 •
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I think this change may incidentally fix some of the not-quite-right usages of “ArrayBuffer” (pointing at the Web IDL def) in WebCrypto.

[Edit: nm, still kinda busted there, but for unrelated reasons — will open an issue.]

annevk added a commit that referenced this issue Jun 15, 2023
@annevk
Give SharedArrayBuffer a dedicated type
c45a0f3 
Generally IDL objects have been 1:1 with ECMAScript objects, except for
SharedArrayBuffer. That was instead represented as
[AllowShared] ArrayBuffer, although that includes ArrayBuffer as well.
This created a number of challenges, e.g., how to return a
SharedArrayBuffer object.

So we make these changes here that will also require corresponding
downstream fixes:

* SharedArrayBuffer is now its own type.
* [AllowShared] only applies to buffer view types.
* AllowSharedBufferSource takes over from [AllowShared] BufferSource.

Downstream is tracked by #1320.

Fixes #865 and fixes #961.
@annevk annevk changed the title Give SharedArrayBuffer a dedicated type Give SharedArrayBuffer a dedicated type (downstream) Jun 15, 2023
@annevk
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annevk commented Jun 16, 2023

I've done everything I can at this point. At least that I know about. I'll leave this open for a bit to see if there's any other fallout and maybe wait for all downstream PRs to have landed.

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