Re: [boost] bcp update #2: namespace renaming

Subject: Re: [boost] bcp update #2: namespace renaming
From: Bjørn Roald (bjorn_at_[hidden])
Date: 2010-01-02 04:30:21

On Saturday 02 January 2010 10:22:31 am John Maddock wrote:
> >Supporting replacing boost with a nested namespace easily gets very tricky
> >without enforcing stricter coding conventions with explicit end-namespace
> >tagging in boost.  So I think allowing replacing boost with nested
> >namespace
> >is not worth it unless someone come up with a clever and simple way of
> >making
> >this work correctly.
> 
> I'd go so far as to say it's basically impossible with the current code
> base - I started out using regexes that matched nested { and } so I could
> identify the full boost namespace scope - but although it 99% worked there
> were always cases where there were { or } in macros or comments that
>  weren't balanced :-(  In short you would need a full C++ preprocessor and
>  lexor to handle this.

Probbably more than that, unless you accept that the output is target 
dependent.  The preprocessor would otherwise strip off code that need to be 
processed.

-- 
Bjørn