[plt-scheme] web programming, continuation, CPS transform, etc.

This is quite informative.  I am still digesting Pettyjohn's paper but I get
the spirit of how it works without grokking the details at this time.  I
will have to dig more and by then will have more questions ;)

Thanks,
yinso

On 5/3/07, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
>
> On 5/3/07, YC <yinso.chen at gmail.com> wrote:
> > Thanks Jay, this is quite interesting (sounds almost like black
> magic).  Are
> > you using web cells to store the continuation marks that you can use to
> > recreate the continuation?
>
> Yes. But for different types of information I find parameters useful.
>
> > What type of information do you lose (since you
> > say the the continuation is coarse) in this case?
>
> For example, if you click on a button to change the sort of the list
> and the continuation is dead, then you get back the list without the
> sort being changed. Similarly, if there was form data with the
> request, it is ignored, as I do not capture what was meant to be done
> with it.
>
> > I meant to ask that are
> > there types of continuations that shouldn't be reconstructed this way so
> the
> > program functions correctly.
>
> Any type of continuation capturable in the Pettyjohn paper would be
> able to be captured like this, however, I had the constraint of
> writing the capturing code by hand in the application, and I made a
> pretty low threshold on the amount of pain I was willing to suffer.
> The users don't complain. Much.
>
> Jay
>
> --
> Jay McCarthy <jay.mccarthy at gmail.com>
> http://jay.teammccarthy.org
>
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