tree 0bc89e0fef9372c482b79535e5a455ba0078f6fa
parent 0df1ecaa16810de2879b2fdeba1fb7e9e704be09
author zalan@apple.com <zalan@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1579278273 +0000
committer zalan@apple.com <zalan@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1579278273 +0000

[LFC][IFC] Optimize LineBuilder::appendTextContent for the most common inline content
https://bugs.webkit.org/show_bug.cgi?id=206397
<rdar://problem/58671338>

Reviewed by Antti Koivisto.

~2% progression on PerformanceTests/Layout/line-layout-simple.html.

* layout/inlineformatting/InlineLineBuilder.cpp:
(WebCore::Layout::LineBuilder::LineBuilder):
(WebCore::Layout::shouldPreserveLeadingContent):
(WebCore::Layout::LineBuilder::appendTextContent):
(WebCore::Layout::LineBuilder::appendLineBreak):
(WebCore::Layout::LineBuilder::InlineItemRun::InlineItemRun):
* layout/inlineformatting/InlineLineBuilder.h:
(WebCore::Layout::LineBuilder::InlineItemRun::setIsCollapsed): Deleted.
* layout/inlineformatting/InlineTextItem.cpp:
(WebCore::Layout::InlineTextItem::InlineTextItem):
* layout/inlineformatting/InlineTextItem.h:
(WebCore::Layout::InlineTextItem::isCollapsible const):
* layout/inlineformatting/text/TextUtil.cpp:
(WebCore::Layout::TextUtil::shouldPreserveTrailingWhitespace): Deleted.
* layout/inlineformatting/text/TextUtil.h:
(WebCore::Layout::TextUtil::shouldPreserveTrailingWhitespace):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@254750 268f45cc-cd09-0410-ab3c-d52691b4dbfc