version(D_Version2)

[Gregor Richards]

JMNorris wrote:
> Gregor Richards <Richards at codu.org> wrote in
> news:47D8017C.6000003 at codu.org: 
> 
>> Alexander Panek wrote:
>>> Preprocessing, probably?
>> Yeah, this is the "simple" way of using the C preprocessor with any 
>> language.
>>
>>   - Gregor Richards
> 
> Maybe someone should write a preprocessor for D, as horrifying as the 
> thought may be to some.  It should:
> 
> 1.  Be usable only for conditional compilation.  No constants allowed 
> outside preprocessing directives and no pseudo-function macros at all.
> 
> 2.  (Perhaps) work on *.dpp files and generate *.d files.
> 
> D's conditional compilation works fine *except* across versions with 
> varying syntaxes (such as D1 and D2).  If D becomes popular enough to 
> support multiple competing commercial compilers, then compiler-specific 
> syntax extensions, syntax bugs, and other syntax hiccups will exacerbate 
> the problem.
> 
> We can keep within 98% of the spirit of Walter's (and mine, for that 
> matter) anti-preprocessing bias by keeping defines and D code absolutely 
> segregated.
> 

I've considered adding preproc support to DSSS for situations like this 
one, but I also have the anti-preprocessing bias, and I'm afraid of what 
the backlash might be like. Still, there are rare situations (e.g. this 
one) where preprocessing is hard to avoid.

  - Gregor Richards