RE: [reSIProcate] 'this' : used in base member initializer list

["Derek MacDonald" <derek@xxxxxxxx>]

The warning being disabled is localized to that file...and the code is
really, truly, legal; it would take a fair bit of work to refactor this.
Does the warning show up on Mac compilers?

> -----Original Message-----
> From: resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:resiprocate-
> devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Cullen Jennings
> Sent: Wednesday, September 15, 2004 9:05 AM
> To: Scott Godin; 'Derek@xxxxxxxx'; Alan Hawrylyshen
> Cc: ReSiprocate
> Subject: Re: [reSIProcate] 'this' : used in base member initializer list
> 
> 
> Perhaps we should add the windows pragma to suppress this warning the one
> place it happens since we know it is safe. (or better yet figure a way to
> refractor so it does not happen)
> 
> 
> On 9/13/04 11:17 AM, "Scott Godin" <slgodin@xxxxxxxxxxxx> wrote:
> 
> > I've checked and Derek is right - we are only just storing the 'this'
> > pointer, which should be safe.  I've added a #pragma that disables the
> > warning on VS.NET compilers.
> >
> > Thanks,
> >
> > Scott
> >
> > -----Original Message-----
> > From: Derek MacDonald [mailto:derek@xxxxxxxx]
> > Sent: Monday, September 13, 2004 1:08 PM
> > To: 'Alan Hawrylyshen'; 'Scott Godin'
> > Cc: resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: RE: [reSIProcate] 'this' : used in base member initializer list
> >
> > AFAIK, this is a safe use of the this pointer; the value is being
> stored,
> > that's it.  I don't think other(smarter) compilers will even complain,
> but I
> > haven't checked.
> >
> > --Derek
> >
> >> -----Original Message-----
> >> From: resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:resiprocate-
> >> devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Alan Hawrylyshen
> >> Sent: Monday, September 13, 2004 8:32 AM
> >> To: Scott Godin
> >> Cc: 'resiprocate-devel@xxxxxxxxxxxxxxxxxxx' resiprocate-devel
> >> Subject: Re: [reSIProcate] 'this' : used in base member initializer
> list
> >>
> >>
> >> On Sep 13, 2004, at 11:17, Scott Godin wrote:
> >>
> >>> Derek,
> >>>
> >>> [snip]
> >>>
> >>> 'this' : used in base member initializer list
> >>>
> >>> The this pointer is valid only within nonstatic member functions. It
> >>> cannot be used in the initializer list for a base class.
> >>>
> >>> The base-class constructors and class member constructors are called
> >>> before this constructor. In effect, you've passed a pointer to an
> >>> unconstructed object to another constructor. If those other
> >>> constructors access any members or call member functions on this, the
> >>> result will be undefined. You should using the this pointer until all
> >>> construction has completed.
> >>>
> >>>
> >>
> >> Scott;
> >>
> >> If we are doing anything other than storing the value of the this
> >> pointer, then the code as written in non-portable and not language
> >> compliant -- in other words -- I think it merits looking at what's
> >> going on and refactoring it.
> >>
> >> Alan
> >>
> >> a l a n a t j a s o m i d o t c o m
> >>
> >> _______________________________________________
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> >> resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> >> https://list.sipfoundry.org/mailman/listinfo/resiprocate-devel
> >
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> 
> 
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