Re: [boost] [wave] trace doesn't output errors.

Subject: Re: [boost] [wave] trace doesn't output errors.
From: Edward Diener (eldiener_at_[hidden])
Date: 2013-05-06 14:08:40

On 5/6/2013 1:53 PM, Adrian_H wrote:
> I've got a really annoying and difficult to track down PP error.  I'm
> attempting to use wave to see the expansion, but it is slow going.  The
> output is correct, in both the g++ PP and the wave parser.  g++ states:
> *error: macro "BOOST_PP_SEQ_ELEM_III" requires 2 arguments, but only 1
> given*, wave states *warning: too few macro arguments:
> BOOST_PP_SEQ_ELEM_III*, but when I try using the tracer it doesn't say when
> this occurs.
>
> Is it possible to turn this on?  Or is there no 'on' and I have to go into
> the wave code and code it on?  If the latter, where would I do this?

You should be able to look at wave's output and see exactly the sequence 
of macro expansions which cause the error you are seeing.