Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c1f8682002665030c707deae8af6e72c3f3f80ac
      
https://github.com/WebKit/WebKit/commit/c1f8682002665030c707deae8af6e72c3f3f80ac
  Author: Richard Robinson <[email protected]>
  Date:   2026-05-19 (Tue, 19 May 2026)

  Changed paths:
    M Configurations/CommonBase.xcconfig
    M Source/JavaScriptCore/Configurations/BaseTarget.xcconfig
    M Source/JavaScriptCore/Configurations/DebugRelease.xcconfig
    M Source/JavaScriptCore/Configurations/JavaScriptCore.xcconfig
    M Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
    A Source/JavaScriptCore/JavaScriptCoreExports.swift
    M Source/JavaScriptCore/runtime/Options.cpp
    M Source/WTF/Configurations/WTF.xcconfig
    M Source/WTF/WTF.xcodeproj/project.pbxproj
    A Source/WTF/wtf/StdLibExtras.swift
    M Source/WebCore/PAL/Configurations/Base.xcconfig
    M Source/WebCore/PAL/Configurations/PAL.xcconfig
    M Source/WebGPU/Configurations/Base.xcconfig
    M Source/WebGPU/Configurations/WebGPU.xcconfig
    M Source/WebGPU/WebGPU/Buffer.swift
    M Source/WebGPU/WebGPU/CommandEncoder.swift
    M Source/WebGPU/WebGPU/StdLibExtras.swift
    M Source/WebKit/Configurations/WebKit.xcconfig
    M Source/WebKit/UIProcess/Cocoa/Foundation+Extras.swift
    M Source/bmalloc/Configurations/bmalloc.xcconfig
    M Source/bmalloc/libpas/src/libpas/pas_utils_prefix.h
    M Tools/TestWebKitAPI/Helpers/cocoa/WebPage+JavaScriptExpression.swift

  Log Message:
  -----------
  [Swift in WebKit] Work towards supporting Swift in WTF (part 4)
https://bugs.webkit.org/show_bug.cgi?id=314469
rdar://176641865

Reviewed by Adrian Taylor.

Add support for Swift in WTF, and by extension, JSC.

* Configurations/CommonBase.xcconfig:
* Source/JavaScriptCore/Configurations/BaseTarget.xcconfig:
* Source/JavaScriptCore/Configurations/DebugRelease.xcconfig:
* Source/JavaScriptCore/runtime/Options.cpp:
(JSC::Options::initializeWithOptionsCustomization):
* Source/WebCore/PAL/Configurations/Base.xcconfig:
* Source/WebGPU/Configurations/Base.xcconfig:
* Source/WebGPU/Configurations/WebGPU.xcconfig:
* Source/bmalloc/Configurations/bmalloc.xcconfig:
* Source/bmalloc/libpas/src/libpas/pas_utils_prefix.h:

Remove some project-specific -D definitions and move them to code #define 
definitions instead.

* Source/JavaScriptCore/Configurations/JavaScriptCore.xcconfig:

- Add some Swift flags to JSC to enable support.

* Source/JavaScriptCore/JavaScriptCoreExports.swift: Copied from 
Source/WebKit/UIProcess/Cocoa/Foundation+Extras.swift.

- Export the wtf swift module for SPI only

* Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj:
* Source/WTF/WTF.xcodeproj/project.pbxproj:

* Source/WTF/wtf/StdLibExtras.swift: Copied from 
Source/WebGPU/WebGPU/StdLibExtras.swift.
(Comparable.clamped(to:)):
(MutableSpan.copyMemory(from:)):
* Source/WebGPU/WebGPU/StdLibExtras.swift:
* Source/WebKit/Configurations/WebKit.xcconfig:
* Source/WebKit/UIProcess/Cocoa/Foundation+Extras.swift:
(Comparable.clamped(to:)): Deleted.

Move these functions to WTF where applicable

* Source/WebGPU/WebGPU/Buffer.swift:
* Source/WebGPU/WebGPU/CommandEncoder.swift:
* Tools/TestWebKitAPI/Helpers/cocoa/WebPage+JavaScriptExpression.swift:

- Add missing imports

Canonical link: https://commits.webkit.org/313543@main



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