I think it could be a GHC bug: I rebuilt r17041 with ghc-6.6.1 (just a few
changes to use the new filepath package in Pugs.hs and Pugs/Run.hs) and it
shows the bug. I assume the pugs on feather really is r17041, to be really
sure I should build r17041 with ghc-6.6. I should manage that next week.
Wim
On 07/09/2007, Carl Mäsak <[EMAIL PROTECTED]> wrote:
>
> Wim (>):
> > The following program works fine in pugs r17041 (which is the rev of
> > /usr/bin/pugs on feather):
> >
> > my $r=\{say $x+1};
> > my $x=2;
> > $r();
> >
> > With r17041, this gives 3;
> > However, on the latest pugs (r17615 or later), it gives an error:
> > ***
> > Unexpected "$r"
> > expecting "=", "::", context, ":" or "("
> > Variable "$x" requires predeclaration or explicit package name
> > at pugs_var_bug.p6 line 1, column 4
> >
> > It would think that the r17041 result is correct.
> > -------
> > There is also a scoping issue in r17615:
> >
> > my $v=1;
> > if ($v) {
> > map ->$v {$v},(2);
> > } else {
> > $v;
> > }
> >
> > With r17041, this gives 2; With r17615 it gives an error:
> > ***
> > Unexpected end of input
> > expecting "::"
> > Variable "$v" requires predeclaration or explicit package name
> > at pugs_scoping_bug.p6 line 6, column 15
> >
> > Now, if I change $v to $x in the pointy sub, it works fine.
> > -----
> >
> > Both seems like bugs to me, but can someone confirm that?
>
> They're most likely bugs. Since May, Pugs has been halfway towards
> getting a new MO core.
>
> <
> http://moritz.faui2k3.org/irclog/out.pl?channel=perl6;date=2007-05-17#i_18608
> >
>
> Not everything has been working since then, and likely won't until the
> other half is committed. #perl6 people might be able to fix minor
> flaws, but there's general hesitation towards fixing things that might
> be superceded by the new MO machinery.
>
> // Carl
>
--
If it's pointless, what's the point?
If there is a point to it, what's the point?
(Tibor Fischer, "The Thought Gang")
