Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6a8f22846055c809de62d7fea99a9b11b9acd783
https://github.com/WebKit/WebKit/commit/6a8f22846055c809de62d7fea99a9b11b9acd783
Author: Antti Koivisto <[email protected]>
Date: 2025-03-06 (Thu, 06 Mar 2025)
Changed paths:
M
Source/WebCore/layout/formattingContexts/inline/InlineFormattingContext.cpp
M Source/WebCore/layout/formattingContexts/inline/RangeBasedLineBuilder.h
M
Source/WebCore/layout/formattingContexts/inline/TextOnlySimpleLineBuilder.h
Log Message:
-----------
Heap allocate TextOnlySimpleLineBuilder and RangeBasedLineBuilder
https://bugs.webkit.org/show_bug.cgi?id=289236
rdar://146067168
Reviewed by Alan Baradlay.
Nested inline blocks can result in deep recursion in extreme cases.
Reduce stack usage on the recursion path.
* Source/WebCore/layout/formattingContexts/inline/InlineFormattingContext.cpp:
(WebCore::Layout::InlineFormattingContext::layout):
Heap allocate all LineBuilders. This reduces stack usage of this function from
~6KB to 600B.
* Source/WebCore/layout/formattingContexts/inline/RangeBasedLineBuilder.h:
* Source/WebCore/layout/formattingContexts/inline/TextOnlySimpleLineBuilder.h:
Canonical link: https://commits.webkit.org/291694@main
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