Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9e267886b98d77c1c8e0247c7db29b9f6b3f81cb
      
https://github.com/WebKit/WebKit/commit/9e267886b98d77c1c8e0247c7db29b9f6b3f81cb
  Author: Antti Koivisto <[email protected]>
  Date:   2026-07-03 (Fri, 03 Jul 2026)

  Changed paths:
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-mixins/dashed-function-cycles-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-mixins/dashed-function-eval-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-mixins/function-invalidation-expected.txt
    M Source/WebCore/css/parser/CSSParser.cpp
    M Source/WebCore/style/RuleSetBuilder.cpp
    M Source/WebCore/style/StyleBuilder.cpp
    M Source/WebCore/style/StyleBuilder.h
    M Source/WebCore/style/StyleSubstitutionResolver.cpp

  Log Message:
  -----------
  [css-mixins-1] Fix minor @function issues
https://bugs.webkit.org/show_bug.cgi?id=318548
rdar://181322776

Reviewed by Alan Baradlay.

Minor WPT fixes and code cleanups.

* 
LayoutTests/imported/w3c/web-platform-tests/css/css-mixins/dashed-function-cycles-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-mixins/dashed-function-eval-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-mixins/function-invalidation-expected.txt:
* Source/WebCore/css/parser/CSSParser.cpp:
(WebCore::CSSParser::consumeFunctionRule):

Don't validate default value eagerly if it contains substitution functions like 
var().

* Source/WebCore/style/StyleBuilder.cpp:
(WebCore::Style::Builder::resolveFunctionResult):

Apply function body properties eagerly to detect cycles through unreferenced 
local variables.
Remove the unnecessary result value argument.

(WebCore::Style::Builder::resolveCustomPropertyValue):

Allow CSS-wide keywords after substitution on registered properties too.

* Source/WebCore/style/StyleBuilder.h:
* Source/WebCore/style/StyleSubstitutionResolver.cpp:
(WebCore::Style::SubstitutionResolver::substituteDashedFunction):

* Source/WebCore/style/RuleSetBuilder.cpp:
(WebCore::Style::RuleSetBuilder::addMutatingRulesToResolver):

Invalidate the matched declarations cache when registering a function. The 
cache keys on
matched properties, not on the function registry, so an unchanged declaration 
like width: --f()
would keep a stale value after the function is added or removed. Mirrors 
@property registration.

Canonical link: https://commits.webkit.org/316478@main



To unsubscribe from these emails, change your notification settings at 
https://github.com/WebKit/WebKit/settings/notifications

Reply via email to