Agreed.
Henry Rich
On 11/25/2016 12:31 PM, Don Guinn wrote:
I guess I didn't understand the problem fully; however, (loc) will still
give the wrong answer if the script had been previously loaded and another
script since then.
On Nov 25, 2016 10:15 AM, "Henry Rich" <[email protected]> wrote:
I don't think this analysis is right. (y) has always been defined when an
explicit definition starts. The bug in 8.05 was that the script index was
not set. Otherwise everything is as it was.
The only effect of the preallocated symbol table is that the names y and x
are assigned differently, for performance reasons. This led to the
omission of script index.
Henry Rich
On 11/25/2016 12:04 PM, Don Guinn wrote:
(loc) took advantage that before the latest optimization in 805 that (y)
was undefined resulting in a return of _1 from (4!:4) . But now (y) is
defined by the time (4!:4) is executed. But if one is relying on a _n from
4!:4, why not just do ({:>4!:3'') ? But that would only work if the script
was being loaded for the first time. If the script were loaded earlier,
then reloaded, it would not be the last filename in (4!:3) .
It seems to me that a safer sequence to guarantee the filename of the
script would be:
MYLOC=:0
MYLOC=:(4!:4<'MYLOC'){4!:3''
This will work even if the script has been loaded previously.
On Fri, Nov 25, 2016 at 9:29 AM, Henry Rich <[email protected]> wrote:
Yes, it's stored in the symbol table, but it's set when the value is
assigned - except for y[/x].
Henry rich
On 11/25/2016 10:19 AM, Raul Miller wrote:
Isn't the 4!:4 value stored in the symbol table? (I have not yet
studied the code, I am just trying to think things through.)
If so, shouldn't the 4!:4 value for y get set when the symbol table is
created (at verb definition time)? Or, at least, I cannot think of any
reason why it should get changed after that...
If not, ... I guess I should go read the code if it's not stored there.
Thanks,
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