[webkit-changes] [WebKit/WebKit] be0b82: [@property] Initial syntax parsing

[Antti Koivisto]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: be0b82ecc746352ee8b2d7f8e14b6a3e8d0253d2
      https://github.com/WebKit/WebKit/commit/be0b82ecc746352ee8b2d7f8e14b6a3e8d0253d2
  Author: Antti Koivisto <antti at apple.com>
  Date:   2022-12-07 (Wed, 07 Dec 2022)

  Changed paths:
    M LayoutTests/css-custom-properties-api/inline-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/register-property-syntax-parsing-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/registered-property-computation-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/registered-property-initial-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/typedom-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/url-resolution-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/var-reference-registered-properties-expected.txt
    M Source/WebCore/Sources.txt
    M Source/WebCore/WebCore.xcodeproj/project.pbxproj
    M Source/WebCore/css/parser/CSSParserIdioms.h
    M Source/WebCore/css/parser/CSSPropertyParser.cpp
    M Source/WebCore/css/parser/CSSPropertyParser.h
    A Source/WebCore/css/parser/CSSPropertySyntax.cpp
    A Source/WebCore/css/parser/CSSPropertySyntax.h

  Log Message:
  -----------
  [@property] Initial syntax parsing
https://bugs.webkit.org/show_bug.cgi?id=248871
<rdar://problem/103075062>

Reviewed by Darin Adler.

Parse <length>, <length-percentage>, <custom-ident> and ident syntax strings.

* LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/register-property-syntax-parsing-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/registered-property-computation-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/registered-property-initial-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/typedom-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/url-resolution-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-properties-values-api/var-reference-registered-properties-expected.txt:
* Source/WebCore/Sources.txt:
* Source/WebCore/WebCore.xcodeproj/project.pbxproj:
* Source/WebCore/css/parser/CSSParserIdioms.h:
(WebCore::isCSSSpace):
* Source/WebCore/css/parser/CSSPropertyParser.cpp:
(WebCore::CSSPropertyParser::parseCustomPropertyValueWithSyntaxComponents):
(WebCore::CSSPropertyParser::canParseTypedCustomPropertyValue):
(WebCore::CSSPropertyParser::collectParsedCustomPropertyValueDependencies):
(WebCore::CSSPropertyParser::parseTypedCustomPropertyValue):
* Source/WebCore/css/parser/CSSPropertyParser.h:
* Source/WebCore/css/parser/CSSPropertySyntax.cpp: Added.
(WebCore::CSSPropertySyntax::parseComponent):
(WebCore::CSSPropertySyntax::parse):
* Source/WebCore/css/parser/CSSPropertySyntax.h: Added.

Add a helper.

Canonical link: https://commits.webkit.org/257525@main