https://bugs.kde.org/show_bug.cgi?id=391854
Bug ID: 391854
Summary: New check "Avoid duplicated QStringLiterals"
Product: clazy
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: dism...@gmail.com
CC: smart...@kde.org
Target Milestone: ---
I found two articles about QStringLiteral:
https://woboq.com/blog/qstringliteral.html and
http://blog.qt.io/blog/2014/06/13/qt-weekly-13-qstringliteral/. According to
them there is binary overhead. For plain literals and QLatin1String, compilers
try to consolidate identical literals so that they are not duplicated. For
QStringLiteral, identical strings cannot be merged.
It would be nice to have a check that can warn about this overhead. I am not
sure which level to use to search duplicates (unit or whole project), but
probably it should be possible at least mimic compiler optimization and warn
about such cases.
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