[Glass] How is this supposed to work in SIXX?

[Mariano Martinez Peck via Glass]

OK, I found the issue. It's a problem of BaselineOfSixx with GemStone
3.3.3. I will explain better soon and commit a fix.

Cheers,

On Wed, May 10, 2017 at 5:17 PM, Mariano Martinez Peck <
marianopeck at gmail.com> wrote:

> Hi,
>
> I am getting an error when I am trying to import a SIXX file generated in
> Gemstone 3.3.3 and I am importing it in another GemStone 3.3.3. Attached is
> the stack.
>
> The problem is in
>
> Object >> initializeInstVarsFromSixxElement: sixxElement context:
> aSixxContext
> | coll |
> coll := (SixxXmlUtil elementsFrom: sixxElement) select: [:elem |
> (SixxXmlUtil isTextFrom: elem) not ].
> *coll reverse*
>            do: .......
>
> In this example, what I get as "coll" is an instance of *XMLOrderedList*.
> And " coll reverse" does not work at all. Why, because code is:
>
> SequenceablCollection >> reverse
>   "Returns a copy of the receiver with its elements in reverse order."
>
>   | copy sz high mid |
>   sz := self size.
>  * copy := self species new: sz.*
> *  copy size < sz*
> *    ifTrue: [ copy size: sz "handle OrderedCollection" ].*
>   high := sz.
>   mid := sz bitShift: -1. " // 2 "
>   1 to: mid do: [ :low |
>    * copy at: low put: (self at: high).*
>     copy at: high put: (self at: low).
>     high := high - 1 ].
> ....... "code clipped"
>
>
> "self species new: sz"    is a "XMLOrderedList new: 6".
> even with the ifTrue: below, doing "(XMLOrderedList new: 6) size: 6"  it's
> still not a 6 elements collection.
>
> So... when we do  "* copy at: low put: (self at: high)."  *it fails.
> XMLOrderedList does implement #at:put: but this way:
>
> at: anIndex put: aValue
> ^ collection at: anIndex put: aValue
>
> And clearly...the "collection" inside is 0 size, not 6.
> ((XMLOrderedList new: 6) size: 6) collection size -> 0
>
>
> So...how could this ever work?  Damn...I am sure missing something.
>
> Any clue is appreciated.
>
> Bye,
>
>
>
> --
> Mariano
> http://marianopeck.wordpress.com
>



-- 
Mariano
http://marianopeck.wordpress.com
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