Great addition to save time when 'rediscovering' how the
SmartRefStream mapping mechanism works.

On Sat, 14 Oct 2017 12:31:12 0000, commits at source.squeak.org
<commits at source.squeak.org> wrote:
> Bert Freudenberg uploaded a new version of System to project The Trunk:
> http://source.squeak.org/trunk/System-bf.966.mcz
>
> ==================== Summary ====================
>
> Name: System-bf.966
> Author: bf
> Time: 14 October 2017, 2:30:57.487381 pm
> UUID: be22259c-73c6-4721-86a9-f17059c77ebf
> Ancestors: System-dtl.965
>
> Mark SmartRefStream>>mapClass: as sender of all conversion methods.
>
> =============== Diff against System-dtl.965 ===============
>
> Item was added:
> + ----- Method: SmartRefStream class>>isConversionSelector: (in category
> 'browsing support') -----
> + isConversionSelector: aSelector
> + 	"Let mapClass: be found as sender of our conversion methods"
> + 	^aSelector last isDigit and: [self includesSelector: aSelector]
> + !
>
> Item was changed:
>   ----- Method: SmartRefStream>>mapClass: (in category 'read write') -----
>   mapClass: incoming
>   	"See if the old class named nm exists.  If so, return it.  If not, map it
> to a new class, and save the mapping in renamed.  "
>
> + 	<hasLiteralTest: #isConversionSelector:>
> + 	"To find this method as sender of all conversion methods"
> +
>   	| cls oldVer sel nm |
>
>   	self flag: #bobconv.	
>
>
>   	nm := renamed at: incoming ifAbsent: [incoming].	"allow pre-mapping
> around collisions"
>   	(nm endsWith: ' class')
>   		ifFalse: [cls := Smalltalk at: nm ifAbsent: [nil].
>   			cls ifNotNil: [^ cls]]  	"Known class.  It will know how to translate
> the instance."
>   		ifTrue: [cls := Smalltalk at: nm substrings first asSymbol ifAbsent:
> [nil].
>   			cls ifNotNil: [^ cls class]]. 	"Known class.  It will know how to
> translate the instance."
>   	oldVer := self versionSymbol: (structures at: nm).
>   	sel := nm asString.
>   	sel at: 1 put: (sel at: 1) asLowercase.
>   	sel := sel, oldVer.	"i.e. #rectangleoc4"
> - 	self flag: #multiNewParagraphttfclpomsswfpp0. "identify senders of
> multiNewParagraphttfclpomsswfpp0"
>   	Symbol hasInterned: sel ifTrue: [:symb |
>   		(self class canUnderstand: sel asSymbol) ifTrue: [
>   			reshaped ifNil: [reshaped := Dictionary new].
>   			cls := self perform: sel asSymbol]].	"This class will take
> responsibility"
>   	cls ifNil: [cls := self writeClassRenameMethod: sel was: nm
>   					fromInstVars: (structures at: nm).
>   			   cls isString ifTrue: [cls := nil]].
>   	cls ifNotNil: [renamed at: nm put: cls name].
>   	^ cls
>   !
>
>
>