Re: Standard Ada Preprocessor

[Marin David Condic <nobody@noplace.com>]

That would be nice. It would be even nicer if it was done in some manner 
that one could expect to exist on at least some wide variety of 
platforms. The thing is that it *isn't* available at the moment - or at 
least not in a practical way. Some kind of conditional compilation is 
not difficult to implement and *could* be available in short order. 
(Doesn't even really need the ARG - just an agreement by most of the 
vendors to use some mechanism like a pragma. The hypothetical line-level 
CM might even work by *generating* the pragma {or whatever} around the 
code.) So we could A) wait around for the world to become perfect or b) 
do something that gets a sub-optimal answer available in a reasonable 
timeframe. You could guess which I'd prefer. :-)

MDC

Randy Brukardt wrote:
> 
> 
> I've always thought that CM really needs to be applied on a per-line basis.
> That is, you should be able to branch individual lines of a source file.
> Clearly, such a system must be integrated with an editor, and should be able
> to cleanly handle multiple versions of a system.
> 
> With such a system, you could cleanly manage any sort of differences without
> making the source code harder to read. It's unfortunate that such systems
> have never appeared in use.
> 
>                        Randy.
> 
> 
> 
> 


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Marin David Condic
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