https://bugs.kde.org/show_bug.cgi?id=453762
Bug ID: 453762
Summary: Long lines break C code highlighting
Product: kate
Version: 22.04.0
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: part
Assignee: kwrite-bugs-n...@kde.org
Reporter: f.alexander.wi...@gmail.com
Target Milestone: ---
Created attachment 148809
--> https://bugs.kde.org/attachment.cgi?id=148809&action=edit
Initial Code
SUMMARY
The code highlighting stops working when a file contains lines longer than 5360
characters
STEPS TO REPRODUCE
1. Open minimal_example.c in Kate
2. Observe the broken code highlighting
or
1. Go to https://picheta.me/obfuscator, select "Generic FizzBuzz" and click
"Obfuscate"
2. Copy obfuscated code, paste it into the editor on the left and click
"Obfuscate"
3. Copy obfuscated code, paste it into the editor on the left and click
"Obfuscate" once more
4. Copy obfuscated code, paste it into Kate and save it as a C file
5. Observe the broken code highlighting
OBSERVED RESULT
In the first few lines after a newline, the hexadecimal integers are
highlighted in yellow, afterwards they are no longer highlighted.
EXPECTED RESULT
The highlighting should be consistent.
After saving and opening the file, the following warning message is shown:
"The file generic_fizzbuzz_obfuscated_thrice.c was opened and contained line
slonger than the configured Line Length Limit (10,000 characters).
The longest of those lines was 10,313 characters long"
Clicking on "Temporarily raise limit and reload file" does not fix the
highlighting. However, adding a newline somewhere in the sum of hex values
results in the highlighting being applied properly after the newline.
I know this is a niche case, but maybe the bug report is helpful anyway.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20220427
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
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