Bug 249893

Summary:	[css-nesting] Implement parsing for relative selector
Product:	WebKit	Reporter:	Matthieu Dubet <m_dubet>
Component:	WebKit Misc.	Assignee:	Matthieu Dubet <m_dubet>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	fujii.hironori, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Matthieu Dubet

Reported 2022-12-26 10:25:34 PST

In a nested context, selectors can be relative selectors (the anchor being the parent). https://drafts.csswg.org/selectors-4/#typedef-relative-selector https://drafts.csswg.org/css-nesting/#placement

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Radar WebKit Bug Importer

Comment 1 2022-12-26 10:26:02 PST

<rdar://problem/103712211>

Matthieu Dubet

Comment 2 2022-12-26 10:34:39 PST

Pull request: https://github.com/WebKit/WebKit/pull/8071

EWS

Comment 3 2022-12-29 11:06:19 PST

Committed 258355@main (5f782c40ce1b): <https://commits.webkit.org/258355@main> Reviewed commits have been landed. Closing PR #8071 and removing active labels.

Fujii Hironori

Comment 4 2022-12-31 03:59:09 PST

Debug builds are reporting an assertion failure after this change. https://results.webkit.org/?suite=layout-tests&test=fast%2Fcss%2Ffont_property_normal.html Buildbot: builder Apple-Ventura-Debug-AppleSilicon-WK2-Tests build 569 https://build.webkit.org/#/builders/704/builds/569 fast/css/font_property_normal.html [ Crash ] fast/css/parsing-invalid-block-recovery.html [ Crash ] ASSERTION FAILED: scopeCombinator != CSSSelector::Subselector css/parser/CSSSelectorParser.cpp(329) : std::unique_ptr<CSSParserSelector> WebCore::CSSSelectorParser::consumeRelativeNestedSelector(WebCore::CSSParserTokenRange &)

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