code guideline

Rodrigo Bonifacio rbonifacio123 at
Tue Aug 12 14:41:21 BST 2014

Dear all, I am conducting a survey about the use of exception handling
constructs in C++. I would really appreciate if you could contribute
to this research by answering a few questions on the subject.

The survey is available on-line:

All the best,


2014-07-09 15:20 GMT-03:00 Thiago Macieira <thiago at>:
> On Saturday 28 June 2014 08:51:42 Rodrigo Bonifacio wrote:
>> Dear all, is there any code guideline that recommends developers to avoid
>> the use of exception handling mechanisms within the core libraries of KDE?
> I'm going to let others speak about the use of exceptions in your own code,
> but note this:
> Qt classes are not exception-safe.
> So if you are allowed to use exceptions in your part of the KDE libraries,
> make sure that you don't:
>  a) use Qt container types, like QList and QVector, on types that may throw on
> construction or copying
>  b) let exceptions escape back into Qt code, including:
>   1) slot activation
>   2) event handling
>   3) callbacks (such as qSort)
> Using QString and QByteArray in code that uses exceptions is mostly safe
> because no exception can happen inside them. Stack unwinding would be no
> different than a regular end of scope anyway.
> --
> Thiago Macieira - thiago (AT) - thiago (AT)
>    Software Architect - Intel Open Source Technology Center
>       PGP/GPG: 0x6EF45358; fingerprint:
>       E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358

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