[parenscript-devel] Lexical scoping bug

Vladimir Sedach vsedach at gmail.com
Mon Apr 19 18:30:34 UTC 2010


Fixed. Thanks for catching that!

2010/4/19 Daniel Gackle <danielgackle at gmail.com>:
> Ok, I'm getting crashes trying to generate JS, but the problem seems like it
> should be easy to fix:
> This form generates an error:
>    (ps (setf x (* x 1000)))
>
> while this works fine:
>    (ps (setf x (* 1000 x)))
>
>
>
> On Sun, Apr 18, 2010 at 6:42 PM, Daniel Gackle <danielgackle at gmail.com>
> wrote:
>>
>> I'll run a diff on our generated JS tonight and report back.
>> For those of us who are curious, could you talk a bit about the work you
>> did on the compiler?
>> Thanks Vladimir,
>> Daniel
>> On Sun, Apr 18, 2010 at 5:34 PM, Vladimir Sedach <vsedach at gmail.com>
>> wrote:
>>>
>>> Just pushed a fixed. I also did a bunch of work on the compiler; let
>>> me know if anything else breaks.
>>>
>>> Vladimir
>>>
>>> 2010/4/16 Daniel Gackle <danielgackle at gmail.com>:
>>> > Good catch! I should have written:
>>> > (ps (let ((abc (@ x abc)))
>>> >               (funcall abc)))
>>> > =>
>>> > "var abc901 = x.abc;
>>> > abc();"
>>> > I gave the wrong version because we have a customized @ that plays
>>> > games
>>> > with symbols and keywords. But the above runs in pure PS and is still a
>>> > bug,
>>> > I would think.
>>> > Daniel
>>> >
>>> > On Thu, Apr 15, 2010 at 9:48 PM, Michael Compton
>>> > <michael.compton at littleedge.co.uk> wrote:
>>> >>
>>> >> When I run that through I get:
>>> >>
>>> >> (ps (let ((abc (@ x :abc)))
>>> >>                      (funcall abc)))
>>> >>
>>> >> =>
>>> >>
>>> >> "var abc = x['abc'];
>>> >> abc();"
>>> >>
>>> >> Are you maybe using an earlier version of PS?
>>> >>
>>> >> Michael
>>> >>
>>> >> On Wed, 2010-04-14 at 22:04 -0600, Daniel Gackle wrote:
>>> >> > Vladimir,
>>> >> >
>>> >> >
>>> >> > I don't think we heard back about this bug. I've got an ugly
>>> >> > workaround for it in my code, which it would be nice to get out of
>>> >> > there. Do you think it will be hard to fix?
>>> >> >
>>> >> >
>>> >> > Daniel
>>> >> >
>>> >> > On Mon, Mar 29, 2010 at 1:47 PM, Daniel Gackle
>>> >> > <danielgackle at gmail.com> wrote:
>>> >> >         Just ran across this one:
>>> >> >
>>> >> >
>>> >> >         (ps (let ((abc (@ x :abc)))
>>> >> >                       (funcall abc)))
>>> >> >
>>> >> >
>>> >> >         =>
>>> >> >
>>> >> >
>>> >> >         "var abc901 = x.abc;
>>> >> >         abc();"
>>> >> >
>>> >> >
>>> >> >         Daniel
>>> >> >
>>> >> >
>>> >> > _______________________________________________
>>> >> > parenscript-devel mailing list
>>> >> > parenscript-devel at common-lisp.net
>>> >> > http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel
>>> >>
>>> >>
>>> >>
>>> >> _______________________________________________
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>>> >> http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel
>>> >
>>> >
>>> > _______________________________________________
>>> > parenscript-devel mailing list
>>> > parenscript-devel at common-lisp.net
>>> > http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel
>>> >
>>> >
>>>
>>> _______________________________________________
>>> parenscript-devel mailing list
>>> parenscript-devel at common-lisp.net
>>> http://common-lisp.net/cgi-bin/mailman/listinfo/parenscript-devel
>>
>
>
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