[DGD] lambda operator re-re-visited?

Dread Quixadhal quixadhal at gmail.com
Sun Jan 8 04:17:58 CET 2017


Unless you persist the source in the object, I'd probably just use a
counter and label each one as they are found during compilation.  The line
numbers would change during an upgrade anyways, so they would likewise only
be valid with the source version that defined them.

On Fri, Jan 6, 2017 at 7:45 PM, Carter Cheng <cartercheng at gmail.com> wrote:

> Do you have a better suggestion?
>
> On Sat, Jan 7, 2017 at 2:19 AM, Raymond Jennings <shentino at gmail.com>
> wrote:
>
> > Please please please oh please do not use line numbers as discriminants.
> >
> > Source code is VERY mutable, and even a reformatting can change things.
> >
> > On Thu, Jan 5, 2017 at 3:53 AM, Carter Cheng <cartercheng at gmail.com>
> > wrote:
> >
> > > Actually I do not see it as that heuristical once the discriminant is
> > added
> > > the identifier is unique. Also basically programs are identified by
> file
> > > name in the common case already. So you would have something like
> > > filename#line number.discriminant for a given program and any object
> > would
> > > include the additional object number.. The discriminant is to
> > differentiate
> > > between two "closures" originating from the same line.
> > >
> > >
> > >
> > > On Thu, Jan 5, 2017 at 5:03 PM, Felix A. Croes <felix at dworkin.nl>
> wrote:
> > >
> > > > Carter Cheng <cartercheng at gmail.com> wrote:
> > > >
> > > > > I think breaking the anonymity a bit for the purposes of
> > recompilation
> > > > > might be a possible solution. I.e. associating something like a
> file
> > > path
> > > > > and line number with some extra discriminant to each closure's
> > metadata
> > > > and
> > > > > having a way to locate the anonymous functions associated with a
> > given
> > > > > piece of source.
> > > >
> > > > Giving up the anonymity would be a solution, but what you are
> proposing
> > > > is just a heuristic.  I doubt that it will be so easy.  It would be
> no
> > > > good if a failing testcase can be constructed for it.
> > > >
> > > > Regards,
> > > > Felix Croes
> > > > ____________________________________________
> > > > https://mail.dworkin.nl/mailman/listinfo/dgd
> > > >
> > > ____________________________________________
> > > https://mail.dworkin.nl/mailman/listinfo/dgd
> > ____________________________________________
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> >
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