Re: Conditional compilation

> Ron,
> Great job filling in the blanks in my question - you hit the nail on the
> head. I was trying to compile conditionals within a colon definition,
> and your help gets me over a big hurdle that was in the way of
> generalizing my code for several applications. The one instance that I
> mentioned that worked, was not inside a colon definition. After several
> years working with SwiftX, it is about time I understood what is going
> on during compilation.
>
> Leon, do you see any problem with using [ BarrVer 0= ], as Ron
> illustrated below?

It's intended to work that way, so should be fine in your application.

>
> Thanks again,
> David Graham
>
> -----Original Message-----
> From: swiftx-bounce_at_forth.com [mailto:swiftx-bounce_at_forth.com] On Behalf
> Of Ron Oliver
> Sent: Monday, November 17, 2003 2:08 PM
> To: swiftx_at_forth.com
> Subject: [swiftx] Re: Conditional compilation
>
> ....
>
> In the above example, BarrVer will be compiled as a literal, so [IF]
> doesn't have a value to operate on at compile time. You'd need to write
> this as shown below to get what you want:
>
> : ?BARRVER ( -- n )
> [ BarrVer ] [IF] 1 [THEN]
> ( ... )
> [ BarrVer 0= ] [IF] 0 [THEN] ;
> --
> Ron Oliver <roliver_at_openesque.com>
>
>
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Received on Tue Nov 18 2003 - 11:29:04 PST