Review Request 121263: Prevent API abuse of calling setters on temporary objects.

[Christoph Cullmann]

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I actually would prefer no such hack in the public headers.
If that is just to make porting easier, you can use that locally as a patch until the kdevplatform code is cleaned up.

- Christoph Cullmann


On Nov. 27, 2014, 1:15 a.m., Milian Wolff wrote:
> 
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> https://git.reviewboard.kde.org/r/121263/
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> (Updated Nov. 27, 2014, 1:15 a.m.)
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> 
> Review request for KDE Frameworks, Christoph Cullmann, Dominik Haumann, and Kevin Funk.
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> Repository: ktexteditor
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> Description
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> In KDevelop we currently hit this often since our old class
> previously returned a reference for the start/end getters of range
> and cursor. With the help of C++11 ref qualifiers, we can detect that
> and let the compiler give the user an error message:
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> error: cannot initialize object parameter of type 'KTextEditor::Cursor'
> with an expression of type 'KTextEditor::Cursor'
>     documentRange().start().setColumn(42);
>     ^~~~~~~~~~~~~~~~~~~~~~~
> 
> Yes, the error message is pretty bad. But better than nothing? We
> could also mark the && overloads of these functions as explictily
> deleted, which would slightly improve the error message...
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> 
> Diffs
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>   src/include/CMakeLists.txt 94b8e79e2f2b273ec344a963ba6ac81ec5a481c6 
>   src/include/ktexteditor/cursor.h 4ebe38fc1bffb2dad02150884fd225fe3ca9e193 
>   src/include/ktexteditor/global.h PRE-CREATION 
>   src/include/ktexteditor/range.h 1a2fc5b200c70364c3d99223e43a2ad6179055de 
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> Diff: https://git.reviewboard.kde.org/r/121263/diff/
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> Testing
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> with the fixes to kdev's codebase, all of ktexteditor, kate and kdev* builds fine.
> 
> 
> Thanks,
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> Milian Wolff
> 
>

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