https://bugs.kde.org/show_bug.cgi?id=460578
Jonathan Poelen <jonathan.poe...@gmail.com> changed:
What |Removed |Added
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CC| |jonathan.poe...@gmail.com
--- Comment #1 from Jonathan Poelen <jonathan.poe...@gmail.com> ---
Developer's note: This is related to the way QRegularExpression works in Qt5:
the text is copied for each call to match(QStringView) in syntax-highlighting:
https://codebrowser.dev/qt5/qtbase/src/corelib/text/qregularexpression.h.html#_ZNK18QRegularExpression5matchE11QStringViewiNS_9MatchTypeE6QFlagsINS_11MatchOptionEE
Qt6 does not have this defect. With kate-syntax-highlighter
--output-format=ansi256colors and a json of 1.9M, it takes 45s with Qt5, but
less than 1 second with Qt6.
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