Boost logo

Boost :

Subject: Re: [boost] [wave] trace doesn't output errors.
From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2013-05-07 07:24:13

> Hartmut Kaiser wrote
> >> If wave's trace could state "hey, this is where the expansion
> >> failed!", that would be a great time saver.
> >
> > What do you mean by that? Where should it point to? The uppermost
> > invocation site? The lowermost macro replacement which failed,
> > somewhere in between?
> Well, if there was an error that states that there are too few or too many
> macro arguments, that means somewhere during scanning/rescanning there was
> a macro invoked with too many/few arguments. So, the lowest macro
> replacement which caused this error and what the parameter set that was
> passed would be AWESOME!

Isn't that what you see in the trace you sent in the very end? There you see


right before the output stops. Further up you can see, that this particular
problem occurs while trying to expand

    BOOST_PP_SEQ_ELEM_II(BOOST_PP_SEQ_ELEM_2 (volatile)(const))


Regards Hartmut

Boost list run by bdawes at, gregod at, cpdaniel at, john at