Hi Andre,
On Nov 29, 2013, at 12:03 PM, Andre Fischer wrote:
> On 29.11.2013 10:34, Pavel Janík wrote:
>> On Nov 27, 2013, at 12:19 PM, Pavel Janík wrote:
>>
>>> where is this defined?
>>>
>>> Occurences:
>>>
>>> sw/source/core/crsr/crsrsh.cxx:#ifdef ACCESSIBLE_LAYOUT
>>> sw/source/core/crsr/crsrsh.cxx:#ifdef ACCESSIBLE_LAYOUT
>>> sw/source/core/crsr/crsrsh.cxx:#ifdef ACCESSIBLE_LAYOUT
>>> sw/source/ui/docvw/edtwin.cxx:#ifdef ACCESSIBLE_LAYOUT
>>> sw/source/ui/uiview/pview.cxx:#ifdef ACCESSIBLE_LAYOUT
>> It is not defined in the source and thus is a source of compiler warnings
>> about unused function arguments at the places mentined above.
>
> I am confused. The lines above test whether ACCESSIBLE_LAYOUT has been
> defined. Why would that lead to a warning if the definition does not exist.
> This pattern is used in many places in our source code. One usage, that
> might apply in this case, is to temporarily activate a debug feature by
> passing additional arguments to the compiler via environment variables. In
> my opinion that is a valid use of otherwise never defined variables.
the code looks like this:
void SwCrsrShell::FirePageChangeEvent(sal_uInt16 nOldPage, sal_uInt16 nNewPage)
{
#ifdef ACCESSIBLE_LAYOUT
if( Imp()->IsAccessible() )
Imp()->FirePageChangeEvent( nOldPage, nNewPage );
#endif
}
ACCESSIBLE_LAYOUT is not defined. Thus compiler has:
void SwCrsrShell::FirePageChangeEvent(sal_uInt16 nOldPage, sal_uInt16 nNewPage)
{
}
and thus warns about not used arguments nOldPage, nNewPage.
This warning is minor warning, the real question is why we have #ifdef'ed code
on something that is never ever mentioned/defined elsewhere...
--
Pavel Janík
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