[Pharo-project] I get an error when I exclude a method from a trait

Dec. 9, 2008

      using 10185
package Browser
Then removing a method coming  from a trait in a class (for example  
StakcTest)
-> errror methodClass

From: stephane.ducasse@inria.fr
To: squeak-dev@lists.squeakfoundation.org
Subject: [BUG]UndefinedObject(Object)>>doesNotUnderstand: #methodClass

here insert explanation of what you were doing, suspect changes you've  
made and so forth.

9 December 2008 12:35:05 pm

VM: Mac OS - a SmalltalkImage
Image: Pharo0.1 [Latest update: #10185]

SecurityManager state:
Restricted: false
FileAccess: true
SocketAccess: true
Working Dir /Users/ducasse/Workspace/FirstCircle/ActiveResearch/Pharo/ 
Pharo
Trusted Dir /foobar/tooBar/forSqueak/bogus
Untrusted Dir /Users/ducasse/Library/Preferences/Squeak/Internet/My  
Squeak

UndefinedObject(Object)>>doesNotUnderstand: #methodClass
	Receiver: nil
	Arguments and temporary variables:
		aMessage: 	methodClass
	Receiver's instance variables:
nil

TestCase class>>methodChanged:
	Receiver: TestCase
	Arguments and temporary variables:
		anEvent: 	Recategorized Event for item: nil of kind: #method
		cls: 	nil
		sel: 	nil
	Receiver's instance variables:
		superclass: 	Object
		methodDict: 	a MethodDictionary(#addDependentToHierachy:->a  
CompiledMethod (1649...etc...
		format: 	132
		instanceVariables: 	#('testSelector')
		organization: 	('accessing' assert: assert:description:  
assert:description:resum...etc...
		subclasses: 	{BalloonFontTest. Base64MimeConverterTest. BecomeTest.  
BitBltClipBu...etc...
		name: 	#TestCase
		classPool: 	nil
		sharedPools: 	nil
		environment: 	Smalltalk
		category: 	#'SUnit-Kernel'
		traitComposition: 	nil
		localSelectors: 	nil

WeakMessageSend>>valueWithArguments:
	Receiver: WeakMessageSend(#methodChanged: -> TestCase)
	Arguments and temporary variables:
		anArray: 	an Array(Recategorized Event for item: nil of kind: #method)
	Receiver's instance variables:
		selector: 	#methodChanged:
		shouldBeNil: 	#()
		arguments: 	#()

[] in  
WeakActionSequenceTrappingErrors>>valueWithArguments:startingFrom:  
{[answer := each valueWithArguments: anArray]}
	Arguments and temporary variables:
		anArray: 	an Array(Recategorized Event for item: nil of kind: #method)
		startIndex: 	1
		each: 	WeakMessageSend(#methodChanged: -> TestCase)
		answer: 	TheWorldMainDockingBar
		index: 	6
		exc: 	MessageNotUnderstood: UndefinedObject>>methodClass
		indexLimiT: 	12

--- The full stack ---
UndefinedObject(Object)>>doesNotUnderstand: #methodClass
TestCase class>>methodChanged:
WeakMessageSend>>valueWithArguments:
[] in  
WeakActionSequenceTrappingErrors>>valueWithArguments:startingFrom:  
{[answer := each valueWithArguments: anArray]}
  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
BlockContext>>on:do:
WeakActionSequenceTrappingErrors>>valueWithArguments:startingFrom:
WeakActionSequenceTrappingErrors>>valueWithArguments:
SystemEventManager(Object)>>triggerEvent:withArguments:
SystemEventManager(Object)>>triggerEvent:with:
RecategorizedEvent(AbstractEvent)>>trigger:
SystemChangeNotifier>>trigger:
SystemChangeNotifier>>selector:recategorizedFrom:to:inClass:
StackTest  
class(ClassDescription)>>notifyOfRecategorizedSelector:from:to:
ClassOrganizer>>notifyOfChangedSelector:from:to:
ClassOrganizer>>removeElement:
[] in StackTest  
class 
(ClassDescription 
)>>updateOrganizationSelector:oldCategory:newCategory: {[:each |   
sel := each selector.  (self includesLocalSelector: sel)   ifFalse...]}
OrderedCollection>>do:
StackTest  
class 
(ClassDescription)>>updateOrganizationSelector:oldCategory:newCategory:
StackTest class(ClassDescription)>>noteRecategorizedSelector:from:to:
[] in StackTest  
class(ClassDescription)>>noteRecategorizedSelectors:oldComposition:  
{[:each |  oldCategory := self organization categoryOfElement: each.   
newCate...]}
IdentitySet(Set)>>do:
StackTest  
class(ClassDescription)>>noteRecategorizedSelectors:oldComposition:
StackTest  
class(ClassDescription)>>applyChangesOfNewTraitCompositionReplacing:
StackTest class(Class)>>applyChangesOfNewTraitCompositionReplacing:
StackTest class(Behavior)>>setTraitComposition:
OBMethodNode>>doExcludeSelector
OBMethodNode>>excludeSelector
OBCmdExcludeMethod>>execute
[] in OBNodeCommandScan(OBCommandScan)>>processKeystroke:withNode:for:  
{[:cmd | (cmd isActive    and: [cmd isEnabled])   ifTrue: [cmd  
execute]]}
OrderedCollection>>do:
OBNodeCommandScan(OBCommandScan)>>processKeystroke:withNode:for:
OBEnhancementColumn(OBColumn)>>keystroke:from:
OBPluggableListMorph(PluggableListMorph)>>modifierKeyPressed:
OBPluggableListMorph(PluggableListMorph)>>keyStroke:
OBPluggableListMorph(Morph)>>handleKeystroke:
KeyboardEvent>>sentTo:
OBPluggableListMorph(Morph)>>handleEvent:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:
OBPluggableListMorph(Morph)>>processEvent:using:
...etc...

[Pharo-project] I get an error when I exclude a method from a trait

StÃ©phane Ducasse