Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 414b33a529b81d04b3537667850a9799ba9fb03a
https://github.com/WebKit/WebKit/commit/414b33a529b81d04b3537667850a9799ba9fb03a
Author: Chris Dumez <[email protected]>
Date: 2026-04-05 (Sun, 05 Apr 2026)
Changed paths:
M Source/WebCore/html/parser/HTMLTreeBuilder.cpp
Log Message:
-----------
Short-circuit isParsingTemplateContents() with O(1) containsTemplateElement()
check
https://bugs.webkit.org/show_bug.cgi?id=311512
Reviewed by Anne van Kesteren.
isParsingTemplateContents() calls hasTemplateInHTMLScope(), which walks the
entire open elements stack via inScopeCommon(). In the common case where no
<template> element exists, this is a wasted linear scan all the way to the root.
HTMLElementStack already maintains an O(1) counter via
containsTemplateElement().
Add it as an early-out before the scope walk so the common no-template case
returns immediately.
* Source/WebCore/html/parser/HTMLTreeBuilder.cpp:
(WebCore::HTMLTreeBuilder::isParsingTemplateContents const):
Canonical link: https://commits.webkit.org/310606@main
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