[webkit-changes] [WebKit/WebKit] eeedf0: [JSC] add support for `Uint8Array.fromHex` and `Ui...

[Devin Rousso]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: eeedf04c47ffec014748b4d743f31a68f2a3f292
      https://github.com/WebKit/WebKit/commit/eeedf04c47ffec014748b4d743f31a68f2a3f292
  Author: Devin Rousso <hi at devinrousso.com>
  Date:   2024-07-15 (Mon, 15 Jul 2024)

  Changed paths:
    A JSTests/stress/uint8array-fromHex.js
    A JSTests/stress/uint8array-setFromHex.js
    M Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
    M Source/JavaScriptCore/Sources.txt
    M Source/JavaScriptCore/runtime/CommonIdentifiers.h
    A Source/JavaScriptCore/runtime/JSGenericTypedArrayViewConstructor.cpp
    M Source/JavaScriptCore/runtime/JSGenericTypedArrayViewConstructor.h
    M Source/JavaScriptCore/runtime/JSGenericTypedArrayViewConstructorInlines.h
    M Source/JavaScriptCore/runtime/JSGenericTypedArrayViewPrototype.cpp
    M Source/JavaScriptCore/runtime/JSGenericTypedArrayViewPrototype.h
    M Source/JavaScriptCore/runtime/JSGenericTypedArrayViewPrototypeInlines.h

  Log Message:
  -----------
  [JSC] add support for `Uint8Array.fromHex` and `Uint8Array.prototype.setFromHex`
https://bugs.webkit.org/show_bug.cgi?id=275593

Reviewed by Yusuke Suzuki.

These methods will make it easier for developers to decode typed character/byte data.

Note that there are other methods in the related proposal, but for ease of reviewing they will be implemented separately.

Spec: <https://tc39.es/proposal-arraybuffer-base64/spec/>
Proposal: <https://github.com/tc39/proposal-arraybuffer-base64>

* Source/JavaScriptCore/runtime/JSGenericTypedArrayViewConstructor.h:
* Source/JavaScriptCore/runtime/JSGenericTypedArrayViewConstructorInlines.h:
(JSC::JSGenericTypedArrayViewConstructor<ViewClass>::finishCreation):
* Source/JavaScriptCore/runtime/JSGenericTypedArrayViewConstructor.cpp: Added.
(JSC::uint8ArrayConstructorFromHex):

* Source/JavaScriptCore/runtime/JSGenericTypedArrayViewPrototype.h:
* Source/JavaScriptCore/runtime/JSGenericTypedArrayViewPrototypeInlines.h:
(JSC::JSGenericTypedArrayViewPrototype<ViewClass>::finishCreation):
* Source/JavaScriptCore/runtime/JSGenericTypedArrayViewPrototype.cpp:
(JSC::uint8ArrayPrototypeSetFromHex):

* Source/JavaScriptCore/runtime/CommonIdentifiers.h:
Create builtin identifiers for `read` and `written`.

* Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj:
* Source/JavaScriptCore/Sources.txt:

* JSTests/stress/uint8array-fromHex.js: Added.
* JSTests/stress/uint8array-setFromHex.js: Added.

Canonical link: https://commits.webkit.org/280967@main



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