[webkit-changes] [WebKit/WebKit] 07addd: [CSS] @scope prelude doesn't accept pseudo-elements

[Matthieu Dubet]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 07adddca3660c33dcb233d5ab99c1fee9d4f17bd
      https://github.com/WebKit/WebKit/commit/07adddca3660c33dcb233d5ab99c1fee9d4f17bd
  Author: Matthieu Dubet <m_dubet at apple.com>
  Date:   2025-01-31 (Fri, 31 Jan 2025)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/at-scope-parsing-expected.txt
    M Source/WebCore/css/parser/CSSParserImpl.cpp
    M Source/WebCore/css/parser/CSSSelectorParser.cpp
    M Source/WebCore/css/parser/CSSSelectorParser.h

  Log Message:
  -----------
  [CSS] @scope prelude doesn't accept pseudo-elements
https://bugs.webkit.org/show_bug.cgi?id=286779

Reviewed by Brent Fulgham.

https://drafts.csswg.org/css-cascade-6/#scope-syntax

"Pseudo-elements cannot be scoping roots or scoping limits;
they are invalid both within <scope-start> and <scope-end>.""

* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/at-scope-parsing-expected.txt:
* Source/WebCore/css/parser/CSSParserImpl.cpp:
(WebCore::CSSParserImpl::consumeScopeRule):
(WebCore::CSSParserImpl::consumeStyleRule):
* Source/WebCore/css/parser/CSSSelectorParser.cpp:
(WebCore::parseMutableCSSSelectorList):
(WebCore::parseCSSSelectorList):
(WebCore::CSSSelectorParser::CSSSelectorParser):
* Source/WebCore/css/parser/CSSSelectorParser.h:
(WebCore::CSSSelectorParser::CSSSelectorParser):

Canonical link: https://commits.webkit.org/289605@main



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