OpenEuphoria

Re: preprocessor

• Posted by Robert Craig <rds at RapidEuphoria.com> Oct 28, 2004
• 703 views

Tone Škoda wrote:
> 
> Robert Craig wrote:
> > The new 2.5 Translator will completely remove a block of code such as:
> > }}}
<eucode>
> > if expr then
> >     ...
> >     -- lots of statements
> >     ...
> > end if
> > </eucode>
{{{

> > whenever it can see at compile-time that 
> > expr always evaluates to 0 (FALSE).
> 
> That looks good, I'll use it.
> 
> I have a question:
> 
> I use this:
> 
> integer Debug
> Debug = true
> 
> global procedure assert (integer be_true)
>     if Debug then
> 	    if be_true = false then
>                 ... tell user assert was called ...
> 	    end if
>     end if
> end procedure
> 
> I would prefer to use
> 
> assert (length (smth) > length (smth_else))
> 
> than
> 
> if Debug then
> 	assert (length (smth) > length (smth_else))
> end if
> 
> So, will translator also remove calls to routines which do nothing, like
> assert() in
> non-debug mode? assert's argument also slows things down because it has to be
> evaluated.

No, it currently won't remove calls to empty procedures.
I'll add that to my list for 2.6.

Thanks,
   Rob Craig
   Rapid Deployment Software
   http://www.RapidEuphoria.com