Alexander Lazarević wrote:
> Hallo Andreas!
> 
> Can't wait to see how this stuff works. :)
> Until then I get an error during update with this package.

Hm ... Can you try to find out which method is being recompiled when 
this happens? (try to crawl the stack back up to #recompile:)

Thanks,
   - Andreas

> 
> Alex
> 
> MessageNotUnderstood: MethodProperties>>method:
> 6 September 2009 8:18:03.575 am
> 
> VM: Win32 - a SmalltalkImage
> Image: Squeak3.10.2 [latest update: #7179]
> 
> SecurityManager state:
> Restricted: false
> FileAccess: true
> SocketAccess: true
> Working Dir C:\Dokumente und Einstellungen\laza\Desktop
> Trusted Dir C:\Dokumente und Einstellungen\laza\Desktop\laza
> Untrusted Dir C:\Dokumente und Einstellungen\laza\Eigene Dateien\My Squeak
> 
> MethodProperties(Object)>>doesNotUnderstand: #method:
> 	Receiver: a MethodProperties
> 	Arguments and temporary variables:
> <<error during printing>
> 	Receiver's instance variables:
> 		properties: 	nil
> 		pragmas: 	#()
> 		selector: 	#checkForSlips
> 
> DecompilerConstructorForClosures>>codeMethod:block:tempVars:primitive:class:
> 	Receiver: {a DecompilerConstructorForClosures}
> 	Arguments and temporary variables:
> <<error during printing>
> 	Receiver's instance variables:
> 		comment: 	nil
> 		pc: 	nil
> 		method: 	a CompiledMethod(1254: Preferences class>>checkForSlips)
> 		instVars: 	#('superclass' 'methodDict' 'format' 'instanceVariables'
> 'organizatio...etc...
> 		nArgs: 	0
> 		literalValues: 	an Array(#valueOfFlag:ifAbsent: #checkForSlips a
> MethodPropertie...etc...
> 		tempVars: 	#()
> 		tempNameCounter: 	nil
> 
> Decompiler>>decompile:in:method:using:
> 	Receiver: a Decompiler
> 	Arguments and temporary variables:
> <<error during printing>
> 	Receiver's instance variables:
> 		sender: 	a CompiledMethod(1254: Preferences class>>checkForSlips)
> 		pc: 	31
> 		constructor: 	{a DecompilerConstructorForClosures}
> 		method: 	a CompiledMethod(1254: Preferences class>>checkForSlips)
> 		instVars: 	#(nil nil nil nil nil nil nil nil nil nil nil nil nil)
> 		tempVars: 	#()
> 		constTable: 	an Array({self} {true} {false} {nil} {-1} {0} {1} {2})
> 		stack: 	an OrderedCollection()
> 		statements: 	an OrderedCollection()
> 		lastPc: 	30
> 		exit: 	31
> 		caseExits: 	an OrderedCollection()
> 		lastJumpPc: 	30
> 		lastReturnPc: 	-1
> 		limit: 	31
> 		hasValue: 	false
> 		blockStackBase: 	nil
> 		numLocalTemps: 	0
> 		blockStartsToTempVars: 	nil
> 		tempVarCount: 	0
> 
> Decompiler>>decompile:in:method:
> 	Receiver: a Decompiler
> 	Arguments and temporary variables:
> <<error during printing>
> 	Receiver's instance variables:
> 		sender: 	a CompiledMethod(1254: Preferences class>>checkForSlips)
> 		pc: 	31
> 		constructor: 	{a DecompilerConstructorForClosures}
> 		method: 	a CompiledMethod(1254: Preferences class>>checkForSlips)
> 		instVars: 	#(nil nil nil nil nil nil nil nil nil nil nil nil nil)
> 		tempVars: 	#()
> 		constTable: 	an Array({self} {true} {false} {nil} {-1} {0} {1} {2})
> 		stack: 	an OrderedCollection()
> 		statements: 	an OrderedCollection()
> 		lastPc: 	30
> 		exit: 	31
> 		caseExits: 	an OrderedCollection()
> 		lastJumpPc: 	30
> 		lastReturnPc: 	-1
> 		limit: 	31
> 		hasValue: 	false
> 		blockStackBase: 	nil
> 		numLocalTemps: 	0
> 		blockStartsToTempVars: 	nil
> 		tempVarCount: 	0
> 
> 
> --- The full stack ---
> MethodProperties(Object)>>doesNotUnderstand: #method:
> DecompilerConstructorForClosures>>codeMethod:block:tempVars:primitive:class:
> Decompiler>>decompile:in:method:using:
> Decompiler>>decompile:in:method:
>  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> CompiledMethod>>getSourceFor:in:
> Metaclass(Behavior)>>sourceCodeAt:
> Metaclass(Behavior)>>recompile:from:
> Metaclass(Behavior)>>recompile:
> [] in [] in Compiler class>>initialize
> [] in [] in Array(SequenceableCollection)>>do:displayingProgress:
> Array(SequenceableCollection)>>withIndexDo:
> [] in Array(SequenceableCollection)>>do:displayingProgress:
> [] in [] in ProgressInitiationException>>defaultMorphicAction
> BlockClosure>>on:do:
> [] in ProgressInitiationException>>defaultMorphicAction
> BlockClosure>>ensure:
> ProgressInitiationException>>defaultMorphicAction
> ProgressInitiationException>>defaultAction
> UndefinedObject>>handleSignal:
> MethodContext(ContextPart)>>handleSignal:
> MethodContext(ContextPart)>>handleSignal:
> MethodContext(ContextPart)>>handleSignal:
> MethodContext(ContextPart)>>handleSignal:
> MethodContext(ContextPart)>>handleSignal:
> ProgressInitiationException(Exception)>>signal
> ProgressInitiationException>>display:at:from:to:during:
> ProgressInitiationException class>>display:at:from:to:during:
> ByteString(String)>>displayProgressAt:from:to:during:
> Array(SequenceableCollection)>>do:displayingProgress:
> [] in Compiler class>>initialize
> Array(SequenceableCollection)>>do:
> Compiler class>>initialize
> MCMethodDefinition>>postload
> MCMethodDefinition(MCDefinition)>>postloadOver:
> [] in [] in [] in MCPackageLoader>>basicLoad
> ...etc...
> 
> On Sun, Sep 6, 2009 at 7:06 AM, <commits at source.squeak.org> wrote:
>> Andreas Raab uploaded a new version of Compiler to project The Trunk:
>> http://source.squeak.org/trunk/Compiler-ar.80.mcz
>>
>> ==================== Summary ====================
>>
>> Name: Compiler-ar.80
>> Author: ar
>> Time: 5 September 2009, 10:06:25 am
>> UUID: 82001507-c038-784a-a4e2-0c969b53800f
>> Ancestors: Compiler-eem.79
>>
>> Add an initialize method working around the limitations of MCDs and scripts.
>>
>> =============== Diff against Compiler-eem.79 ===============
>>
>> Item was added:
>> + ----- Method: Compiler class>>initialize (in category 'class initialization') -----
>> + initialize
>> +       "For the benefit of MC running a required script in the proper order."
>> +       #('Compiler' 'Kernel' 'System') do:[:pkgName|
>> +               Transcript nextPutAll: pkgName; cr; flush.
>> +               (PackageInfo named: pkgName) methods
>> +                       do: [:ea | ea actualClass recompile: ea methodSymbol]
>> +                       displayingProgress: 'Recompiling ', pkgName,'...']
>> +
>> + !
>>
>>
>>
> 
>