Re: [boost] [wave] skip include directives

From: Stefan Seefeld (seefeld_at_[hidden])
Date: 2006-05-15 14:02:51

Felipe Magno de Almeida wrote:
> On 5/15/06, Stefan Seefeld <seefeld_at_[hidden]> wrote:
>> Felipe Magno de Almeida wrote:
>>
>>> I would like to be able to preprocess a file without having all
>>> headers. I'm not interested in the output of the preprocessing, I'm
>>> interested in analyzing the include directives and the conditionals of
>>> the file.
>> Conditionals generally, and include directives sometimes, depend on
>> preprocessing instructions (macros) processed prior to the current
>> directive. How can you analyze them if you can't be sure you know
>> the value of the macros they are referring to ?
> 
> I'll preprocess both paths.

Oh, so you want to recognize an include directive without actually
processing the included file ?

What if you have

#include "foo.hh"
#include BAR

and the value of BAR depends on the preprocessor's state after having
(pre-)processed foo.hh ?

Regards,
                Stefan