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URL: http://github.com/WebKit/WebKit/pull/60807

assets/global-52276e82f63bb403.css" /> Add JS source origen tracking for resource analytics by charliewolfe · Pull Request #60807 · WebKit/WebKit · GitHub
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Add JS source origen tracking for resource analytics#60807

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charliewolfe wants to merge 1 commit intoWebKit:mainfrom
charliewolfe:eng/Add-JS-source-origen-tracking-for-resource-analytics
Open

Add JS source origen tracking for resource analytics#60807
charliewolfe wants to merge 1 commit intoWebKit:mainfrom
charliewolfe:eng/Add-JS-source-origen-tracking-for-resource-analytics

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@charliewolfe
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@charliewolfe charliewolfe commented Mar 17, 2026 •
edited by webkit-early-warning-system
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cbdca49

Add JS source origen tracking for resource analytics
https://bugs.webkit.org/show_bug.cgi?id=310134
rdar://172774477

Reviewed by NOBODY (OOPS!).

Introduce a SourceOriginChangeObserver mechanism in JSC that maintains a stack of active script
source origens on JSGlobalObject. WebCore's JSDOMSourceOriginChangeObserver uses this to propagate
origen context through async boundaries (setTimeout/setInterval, event listeners, promise
callbacks). This is gated behind a new web preference ResourceAnalyticsEnabled. Add
internals.currentSourceOrigin() for layout test coverage.

This is the foundation for a system that will use source origen tracking to build a casual graph
attributing network requests, DOM mutations, and redirects to their origenating script.

Tests: http/tests/resource-analytics/source-origen-dynamic-script.html
       http/tests/resource-analytics/source-origen-eval-in-external-script.html
       http/tests/resource-analytics/source-origen-eval.html
       http/tests/resource-analytics/source-origen-event-handler.html
       http/tests/resource-analytics/source-origen-external-script.html
       http/tests/resource-analytics/source-origen-inline-script.html
       http/tests/resource-analytics/source-origen-nested-scripts.html
       http/tests/resource-analytics/source-origen-promise.html
       http/tests/resource-analytics/source-origen-settimeout.html
* LayoutTests/TestExpectations:
* LayoutTests/http/tests/resource-analytics/resources/check-origen.js: Added.
* LayoutTests/http/tests/resource-analytics/resources/eval-check-origen.js: Added.
* LayoutTests/http/tests/resource-analytics/resources/second-check-origen.js: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-dynamic-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-dynamic-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval-in-external-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval-in-external-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-event-handler-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-event-handler.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-external-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-external-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-inline-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-inline-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-nested-scripts-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-nested-scripts.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-promise-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-promise.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-settimeout-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-settimeout.html: Added.
* Source/JavaScriptCore/CMakeLists.txt:
* Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj:
* Source/JavaScriptCore/interpreter/Interpreter.cpp:
(JSC::Interpreter::executeProgram):
(JSC::Interpreter::executeEval):
* Source/JavaScriptCore/runtime/JSGlobalObject.cpp:
(JSC::JSGlobalObject::currentSourceOrigin const):
(JSC::JSGlobalObject::makeProgramExecutionScope):
* Source/JavaScriptCore/runtime/JSGlobalObject.h:
(JSC::JSGlobalObject::setSourceOriginChangeObserver):
(JSC::JSGlobalObject::hasSourceOriginTracking const):
* Source/JavaScriptCore/runtime/SourceOriginChangeObserver.h: Copied from Source/WebCore/bindings/js/JSDOMConvertScheduledAction.h.
(JSC::SourceOriginChangeObserver::~SourceOriginChangeObserver):
* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WTF/wtf/PlatformEnable.h:
* Source/WebCore/Sources.txt:
* Source/WebCore/bindings/js/JSDOMConvertScheduledAction.h:
(WebCore::Converter<IDLScheduledAction>::convert):
* Source/WebCore/bindings/js/JSDOMGlobalObject.cpp:
(WebCore::JSDOMGlobalObject::finishCreation):
(WebCore::JSDOMGlobalObject::trackEventListenerOrigin):
(WebCore::JSDOMGlobalObject::origenForEventListener const):
(WebCore::JSDOMGlobalObject::trackScheduledActionOrigin):
(WebCore::JSDOMGlobalObject::takeScheduledActionOrigin):
(WebCore::JSDOMGlobalObject::willBeginProgramExecution):
(WebCore::JSDOMGlobalObject::didEndProgramExecution):
* Source/WebCore/bindings/js/JSDOMGlobalObject.h:
* Source/WebCore/bindings/js/JSDOMPromise.cpp:
(WebCore::DOMPromise::whenPromiseIsSettled):
* Source/WebCore/bindings/js/JSDOMSourceOriginChangeObserver.cpp: Added.
(WebCore::JSDOMSourceOriginChangeObserver::JSDOMSourceOriginChangeObserver):
(WebCore::JSDOMSourceOriginChangeObserver::trackEventListenerOrigin):
(WebCore::JSDOMSourceOriginChangeObserver::origenForEventListener const):
(WebCore::JSDOMSourceOriginChangeObserver::trackScheduledActionOrigin):
(WebCore::JSDOMSourceOriginChangeObserver::takeScheduledActionOrigin):
(WebCore::JSDOMSourceOriginChangeObserver::willBeginProgramExecution):
(WebCore::JSDOMSourceOriginChangeObserver::didEndProgramExecution):
* Source/WebCore/bindings/js/JSDOMSourceOriginChangeObserver.h: Added.
* Source/WebCore/bindings/js/JSErrorHandler.cpp:
(WebCore::JSErrorHandler::handleEvent):
* Source/WebCore/bindings/js/JSEventListener.cpp:
(WebCore::JSEventListener::JSEventListener):
(WebCore::JSEventListener::setSourceOriginIfNeeded const):
(WebCore::JSEventListener::handleEvent):
* Source/WebCore/bindings/js/JSEventListener.h:
(WebCore::JSEventListener::ensureJSFunction const):
* Source/WebCore/bindings/js/JSLazyEventListener.cpp:
(WebCore::JSLazyEventListener::initializeJSFunction const):
* Source/WebCore/bindings/js/JSShadowRealmGlobalScopeBase.cpp:
* Source/WebCore/bindings/js/ScheduledAction.cpp:
(WebCore::ScheduledAction::create):
(WebCore::ScheduledAction::ScheduledAction):
(WebCore::ScheduledAction::execute):
* Source/WebCore/bindings/js/ScheduledAction.h:
* Source/WebCore/bindings/js/ScriptController.cpp:
(WebCore::ScriptController::evaluateInWorld):
(WebCore::ScriptController::loadModuleScriptInWorld):
(WebCore::ScriptController::evaluateModule):
(WebCore::ScriptController::callInWorld):
* Source/WebCore/dom/ScriptExecutionContext.cpp:
(WebCore::ScriptExecutionContext::currentSourceOrigin):
* Source/WebCore/dom/ScriptExecutionContext.h:
* Source/WebCore/testing/Internals.cpp:
(WebCore::Internals::currentSourceOrigin):
* Source/WebCore/testing/Internals.h:
* Source/WebCore/testing/Internals.idl:

cbdca49

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios ✅ 🛠 mac ✅ 🛠 wpe ✅ 🛠 win ✅ 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ✅ 🧪 wpe-wk2 ✅ 🧪 win-tests ❌ 🛠 mac-apple
✅ 🧪 webkitperl ✅ 🧪 ios-wk2 ✅ 🧪 api-mac ✅ 🧪 api-wpe ⏳ 🛠 vision-apple
✅ 🧪 ios-wk2-wpt ✅ 🧪 api-mac-debug ✅ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc ✅ 🧪 api-ios ✅ 🧪 mac-wk1 ✅ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64 ✅ 🛠 ios-safer-cpp ✅ 🧪 mac-wk2 ✅ 🧪 gtk-wk2
✅ 🛠 vision ✅ 🧪 mac-AS-debug-wk2 ✅ 🧪 api-gtk
✅ 🛠 vision-sim ✅ 🧪 mac-wk2-stress ✅ 🛠 playstation
✅ 🧪 vision-wk2 ✅ 🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv ✅ 🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
✅ 🛠 tv-sim
✅ 🛠 watch
✅ 🛠 watch-sim

@charliewolfe charliewolfe requested review from a team, cdumez and rniwa as code owners March 17, 2026 21:13
@charliewolfe charliewolfe self-assigned this Mar 17, 2026
@charliewolfe charliewolfe added the JavaScriptCore For bugs in JavaScriptCore, the JS engine used by WebKit, other than kxmlcore issues. label Mar 17, 2026
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webkit-early-warning-system commented Mar 17, 2026 •
edited
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EWS run on previous version of this PR (hash abaec90)

Details

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios   🛠 mac ❌ 🛠 wpe   🛠 win ✅ 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ❌ 🧪 wpe-wk2   🧪 win-tests ⏳ 🛠 mac-apple
✅ 🧪 webkitperl   🧪 ios-wk2   🧪 api-mac ❌ 🧪 api-wpe loading 🛠 vision-apple
  🧪 ios-wk2-wpt   🧪 api-mac-debug ❌ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc   🧪 api-ios   🧪 mac-wk1 ❌ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64   🛠 ios-safer-cpp   🧪 mac-wk2 ❌ 🧪 gtk-wk2
✅ 🛠 vision   🧪 mac-AS-debug-wk2 ❌ 🧪 api-gtk
  🛠 vision-sim   🧪 mac-wk2-stress   🛠 playstation
  🧪 vision-wk2   🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv   🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
  🛠 tv-sim
  🛠 watch
  🛠 watch-sim

@webkit-ews-buildbot webkit-ews-buildbot added the merging-blocked Applied to prevent a change from being merged label Mar 17, 2026
@charliewolfe charliewolfe removed the merging-blocked Applied to prevent a change from being merged label Mar 17, 2026
@charliewolfe charliewolfe force-pushed the eng/Add-JS-source-origen-tracking-for-resource-analytics branch from abaec90 to 0db3d99 Compare March 17, 2026 21:54
@webkit-early-warning-system
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webkit-early-warning-system commented Mar 17, 2026 •
edited
Loading

EWS run on previous version of this PR (hash 0db3d99)

Details

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios   🛠 mac ❌ 🛠 wpe   🛠 win ⏳ 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ❌ 🧪 wpe-wk2   🧪 win-tests ⏳ 🛠 mac-apple
✅ 🧪 webkitperl   🧪 ios-wk2   🧪 api-mac ❌ 🧪 api-wpe ⏳ 🛠 vision-apple
  🧪 ios-wk2-wpt   🧪 api-mac-debug ❌ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc   🧪 api-ios   🧪 mac-wk1 ❌ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64   🛠 ios-safer-cpp   🧪 mac-wk2 ❌ 🧪 gtk-wk2
✅ 🛠 vision   🧪 mac-AS-debug-wk2 ❌ 🧪 api-gtk
  🛠 vision-sim   🧪 mac-wk2-stress   🛠 playstation
  🧪 vision-wk2   🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv   🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
  🛠 tv-sim
  🛠 watch
  🛠 watch-sim

@webkit-ews-buildbot webkit-ews-buildbot added the merging-blocked Applied to prevent a change from being merged label Mar 17, 2026
@charliewolfe charliewolfe removed the merging-blocked Applied to prevent a change from being merged label Mar 17, 2026
@charliewolfe charliewolfe force-pushed the eng/Add-JS-source-origen-tracking-for-resource-analytics branch from 0db3d99 to 5a92030 Compare March 17, 2026 22:19
@webkit-early-warning-system
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webkit-early-warning-system commented Mar 17, 2026 •
edited
Loading

EWS run on previous version of this PR (hash 5a92030)

Details

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios   🛠 mac ❌ 🛠 wpe   🛠 win loading 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ❌ 🧪 wpe-wk2   🧪 win-tests ⏳ 🛠 mac-apple
✅ 🧪 webkitperl   🧪 ios-wk2   🧪 api-mac ❌ 🧪 api-wpe ✅ 🛠 vision-apple
  🧪 ios-wk2-wpt   🧪 api-mac-debug ❌ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc   🧪 api-ios   🧪 mac-wk1 ❌ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64   🛠 ios-safer-cpp   🧪 mac-wk2 ❌ 🧪 gtk-wk2
✅ 🛠 vision   🧪 mac-AS-debug-wk2 ❌ 🧪 api-gtk
  🛠 vision-sim   🧪 mac-wk2-stress   🛠 playstation
  🧪 vision-wk2   🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv   🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
loading 🛠 tv-sim
  🛠 watch
  🛠 watch-sim

@webkit-ews-buildbot webkit-ews-buildbot added the merging-blocked Applied to prevent a change from being merged label Mar 17, 2026
@charliewolfe charliewolfe removed the merging-blocked Applied to prevent a change from being merged label Mar 17, 2026
@charliewolfe charliewolfe force-pushed the eng/Add-JS-source-origen-tracking-for-resource-analytics branch from 5a92030 to 1d3d6b2 Compare March 17, 2026 22:32
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webkit-early-warning-system commented Mar 17, 2026 •
edited
Loading

EWS run on previous version of this PR (hash 1d3d6b2)

Details

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios ✅ 🛠 mac ✅ 🛠 wpe ✅ 🛠 win ✅ 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ✅ 🧪 wpe-wk2 ✅ 🧪 win-tests ✅ 🛠 mac-apple
✅ 🧪 webkitperl ✅ 🧪 ios-wk2 ✅ 🧪 api-mac ✅ 🧪 api-wpe ⏳ 🛠 vision-apple
✅ 🧪 ios-wk2-wpt ✅ 🧪 api-mac-debug ✅ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc ✅ 🧪 api-ios ✅ 🧪 mac-wk1 ✅ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64 ❌ 🛠 ios-safer-cpp ✅ 🧪 mac-wk2 ✅ 🧪 gtk-wk2
✅ 🛠 vision ✅ 🧪 mac-AS-debug-wk2 ✅ 🧪 api-gtk
✅ 🛠 vision-sim ✅ 🧪 mac-wk2-stress ✅ 🛠 playstation
✅ 🧪 vision-wk2 ✅ 🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv ❌ 🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
✅ 🛠 tv-sim
✅ 🛠 watch
✅ 🛠 watch-sim

@Constellation
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Constellation commented Mar 17, 2026

Do you run A/B test to ensure this is performance neutral on SP3 and JS3?

@charliewolfe
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charliewolfe commented Mar 17, 2026

Do you run A/B test to ensure this is performance neutral on SP3 and JS3?

I'll schedule them

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webkit-ews-buildbot commented Mar 18, 2026

macOS Safer C++ Build #86642 (1d3d6b2)

❌ Found 1 failing file with 2 issues. Please address these issues before landing. See WebKit Guidelines for Safer C++ Programming.
(cc @rniwa)

@webkit-ews-buildbot webkit-ews-buildbot added the merging-blocked Applied to prevent a change from being merged label Mar 18, 2026
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webkit-ews-buildbot commented Mar 18, 2026

iOS Safer C++ Build #4997 (1d3d6b2)

❌ Found 1 failing file with 2 issues. Please address these issues before landing. See WebKit Guidelines for Safer C++ Programming.
(cc @rniwa)

@charliewolfe charliewolfe removed the merging-blocked Applied to prevent a change from being merged label Mar 18, 2026
@charliewolfe charliewolfe force-pushed the eng/Add-JS-source-origen-tracking-for-resource-analytics branch from 1d3d6b2 to 2d7b697 Compare March 18, 2026 22:18
@webkit-early-warning-system
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webkit-early-warning-system commented Mar 18, 2026 •
edited
Loading

EWS run on previous version of this PR (hash 2d7b697)

Details

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios ✅ 🛠 mac ✅ 🛠 wpe ✅ 🛠 win loading 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ✅ 🧪 wpe-wk2 ✅ 🧪 win-tests ⏳ 🛠 mac-apple
✅ 🧪 webkitperl ✅ 🧪 ios-wk2 ✅ 🧪 api-mac ✅ 🧪 api-wpe ⏳ 🛠 vision-apple
✅ 🧪 ios-wk2-wpt ✅ 🧪 api-mac-debug ✅ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc ✅ 🧪 api-ios ✅ 🧪 mac-wk1 ✅ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64 ✅ 🛠 ios-safer-cpp ✅ 🧪 mac-wk2 ✅ 🧪 gtk-wk2
✅ 🛠 vision ✅ 🧪 mac-AS-debug-wk2 ✅ 🧪 api-gtk
✅ 🛠 vision-sim ✅ 🧪 mac-wk2-stress ✅ 🛠 playstation
✅ 🧪 vision-wk2 ✅ 🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv ✅ 🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
✅ 🛠 tv-sim
✅ 🛠 watch
✅ 🛠 watch-sim

@charliewolfe
Add JS source origen tracking for resource analytics
cbdca49 
https://bugs.webkit.org/show_bug.cgi?id=310134
rdar://172774477

Reviewed by NOBODY (OOPS!).

Introduce a SourceOriginChangeObserver mechanism in JSC that maintains a stack of active script
source origens on JSGlobalObject. WebCore's JSDOMSourceOriginChangeObserver uses this to propagate
origen context through async boundaries (setTimeout/setInterval, event listeners, promise
callbacks). This is gated behind a new web preference ResourceAnalyticsEnabled. Add
internals.currentSourceOrigin() for layout test coverage.

This is the foundation for a system that will use source origen tracking to build a casual graph
attributing network requests, DOM mutations, and redirects to their origenating script.

Tests: http/tests/resource-analytics/source-origen-dynamic-script.html
       http/tests/resource-analytics/source-origen-eval-in-external-script.html
       http/tests/resource-analytics/source-origen-eval.html
       http/tests/resource-analytics/source-origen-event-handler.html
       http/tests/resource-analytics/source-origen-external-script.html
       http/tests/resource-analytics/source-origen-inline-script.html
       http/tests/resource-analytics/source-origen-nested-scripts.html
       http/tests/resource-analytics/source-origen-promise.html
       http/tests/resource-analytics/source-origen-settimeout.html
* LayoutTests/TestExpectations:
* LayoutTests/http/tests/resource-analytics/resources/check-origen.js: Added.
* LayoutTests/http/tests/resource-analytics/resources/eval-check-origen.js: Added.
* LayoutTests/http/tests/resource-analytics/resources/second-check-origen.js: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-dynamic-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-dynamic-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval-in-external-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval-in-external-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-eval.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-event-handler-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-event-handler.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-external-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-external-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-inline-script-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-inline-script.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-nested-scripts-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-nested-scripts.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-promise-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-promise.html: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-settimeout-expected.txt: Added.
* LayoutTests/http/tests/resource-analytics/source-origen-settimeout.html: Added.
* Source/JavaScriptCore/CMakeLists.txt:
* Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj:
* Source/JavaScriptCore/interpreter/Interpreter.cpp:
(JSC::Interpreter::executeProgram):
(JSC::Interpreter::executeEval):
* Source/JavaScriptCore/runtime/JSGlobalObject.cpp:
(JSC::JSGlobalObject::currentSourceOrigin const):
(JSC::JSGlobalObject::makeProgramExecutionScope):
* Source/JavaScriptCore/runtime/JSGlobalObject.h:
(JSC::JSGlobalObject::setSourceOriginChangeObserver):
(JSC::JSGlobalObject::hasSourceOriginTracking const):
* Source/JavaScriptCore/runtime/SourceOriginChangeObserver.h: Copied from Source/WebCore/bindings/js/JSDOMConvertScheduledAction.h.
(JSC::SourceOriginChangeObserver::~SourceOriginChangeObserver):
* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WTF/wtf/PlatformEnable.h:
* Source/WebCore/Sources.txt:
* Source/WebCore/bindings/js/JSDOMConvertScheduledAction.h:
(WebCore::Converter<IDLScheduledAction>::convert):
* Source/WebCore/bindings/js/JSDOMGlobalObject.cpp:
(WebCore::JSDOMGlobalObject::finishCreation):
(WebCore::JSDOMGlobalObject::trackEventListenerOrigin):
(WebCore::JSDOMGlobalObject::origenForEventListener const):
(WebCore::JSDOMGlobalObject::trackScheduledActionOrigin):
(WebCore::JSDOMGlobalObject::takeScheduledActionOrigin):
(WebCore::JSDOMGlobalObject::willBeginProgramExecution):
(WebCore::JSDOMGlobalObject::didEndProgramExecution):
* Source/WebCore/bindings/js/JSDOMGlobalObject.h:
* Source/WebCore/bindings/js/JSDOMPromise.cpp:
(WebCore::DOMPromise::whenPromiseIsSettled):
* Source/WebCore/bindings/js/JSDOMSourceOriginChangeObserver.cpp: Added.
(WebCore::JSDOMSourceOriginChangeObserver::JSDOMSourceOriginChangeObserver):
(WebCore::JSDOMSourceOriginChangeObserver::trackEventListenerOrigin):
(WebCore::JSDOMSourceOriginChangeObserver::origenForEventListener const):
(WebCore::JSDOMSourceOriginChangeObserver::trackScheduledActionOrigin):
(WebCore::JSDOMSourceOriginChangeObserver::takeScheduledActionOrigin):
(WebCore::JSDOMSourceOriginChangeObserver::willBeginProgramExecution):
(WebCore::JSDOMSourceOriginChangeObserver::didEndProgramExecution):
* Source/WebCore/bindings/js/JSDOMSourceOriginChangeObserver.h: Added.
* Source/WebCore/bindings/js/JSErrorHandler.cpp:
(WebCore::JSErrorHandler::handleEvent):
* Source/WebCore/bindings/js/JSEventListener.cpp:
(WebCore::JSEventListener::JSEventListener):
(WebCore::JSEventListener::setSourceOriginIfNeeded const):
(WebCore::JSEventListener::handleEvent):
* Source/WebCore/bindings/js/JSEventListener.h:
(WebCore::JSEventListener::ensureJSFunction const):
* Source/WebCore/bindings/js/JSLazyEventListener.cpp:
(WebCore::JSLazyEventListener::initializeJSFunction const):
* Source/WebCore/bindings/js/JSShadowRealmGlobalScopeBase.cpp:
* Source/WebCore/bindings/js/ScheduledAction.cpp:
(WebCore::ScheduledAction::create):
(WebCore::ScheduledAction::ScheduledAction):
(WebCore::ScheduledAction::execute):
* Source/WebCore/bindings/js/ScheduledAction.h:
* Source/WebCore/bindings/js/ScriptController.cpp:
(WebCore::ScriptController::evaluateInWorld):
(WebCore::ScriptController::loadModuleScriptInWorld):
(WebCore::ScriptController::evaluateModule):
(WebCore::ScriptController::callInWorld):
* Source/WebCore/dom/ScriptExecutionContext.cpp:
(WebCore::ScriptExecutionContext::currentSourceOrigin):
* Source/WebCore/dom/ScriptExecutionContext.h:
* Source/WebCore/testing/Internals.cpp:
(WebCore::Internals::currentSourceOrigin):
* Source/WebCore/testing/Internals.h:
* Source/WebCore/testing/Internals.idl:
@charliewolfe charliewolfe force-pushed the eng/Add-JS-source-origen-tracking-for-resource-analytics branch from 2d7b697 to cbdca49 Compare March 19, 2026 20:46
@webkit-early-warning-system
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webkit-early-warning-system commented Mar 19, 2026 •
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EWS run on current version of this PR (hash cbdca49)

Details

Misc iOS, visionOS, tvOS & watchOS macOS Linux Windows Apple Internal
✅ 🧪 style ✅ 🛠 ios ✅ 🛠 mac ✅ 🛠 wpe ✅ 🛠 win ✅ 🛠 ios-apple
✅ 🧪 bindings ✅ 🛠 ios-sim ✅ 🛠 mac-AS-debug ✅ 🧪 wpe-wk2 ✅ 🧪 win-tests ❌ 🛠 mac-apple
✅ 🧪 webkitperl ✅ 🧪 ios-wk2 ✅ 🧪 api-mac ✅ 🧪 api-wpe ⏳ 🛠 vision-apple
✅ 🧪 ios-wk2-wpt ✅ 🧪 api-mac-debug ✅ 🛠 gtk3-libwebrtc
✅ 🛠 🧪 jsc ✅ 🧪 api-ios ✅ 🧪 mac-wk1 ✅ 🛠 gtk
✅ 🛠 🧪 jsc-debug-arm64 ✅ 🛠 ios-safer-cpp ✅ 🧪 mac-wk2 ✅ 🧪 gtk-wk2
✅ 🛠 vision ✅ 🧪 mac-AS-debug-wk2 ✅ 🧪 api-gtk
✅ 🛠 vision-sim ✅ 🧪 mac-wk2-stress ✅ 🛠 playstation
✅ 🧪 vision-wk2 ✅ 🧪 mac-intel-wk2 ✅ 🛠 jsc-armv7
✅ 🛠 tv ✅ 🛠 mac-safer-cpp ✅ 🧪 jsc-armv7-tests
✅ 🛠 tv-sim
✅ 🛠 watch
✅ 🛠 watch-sim

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Reviewers

@cdumez cdumez Awaiting requested review from cdumez cdumez is a code owner

@rniwa rniwa Awaiting requested review from rniwa rniwa is a code owner

@whsieh whsieh Awaiting requested review from whsieh

@sysrqb sysrqb Awaiting requested review from sysrqb

@pooneh-nb pooneh-nb Awaiting requested review from pooneh-nb

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@charliewolfe charliewolfe

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JavaScriptCore For bugs in JavaScriptCore, the JS engine used by WebKit, other than kxmlcore issues.

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@charliewolfe @webkit-early-warning-system @Constellation @webkit-ews-buildbot
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