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"{ NameSpace: NewInspector }"
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Object subclass:#InspectorList
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instanceVariableNames:'inspectedObject instanceNames instanceTypes selection'
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classVariableNames:''
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poolDictionaries:''
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category:'Inspector'
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!
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!InspectorList class methodsFor:'instance creation'!
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for:anObject
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"create a new list for an instance
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"
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^ self basicNew for:anObject
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! !
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!InspectorList class methodsFor:'testing'!
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isDirectory:anInstance
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"returns true if the class is a directory
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"
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|cls|
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anInstance notNil ifTrue:[
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cls := anInstance class.
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cls == Character ifTrue:[ ^ false ].
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cls == Symbol ifTrue:[ ^ false ].
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cls == String ifTrue:[ ^ false ].
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cls allInstVarNames notEmpty ifTrue:[
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^ true
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].
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anInstance isVariable ifTrue:[
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^ true
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].
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].
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^ false
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! !
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!InspectorList methodsFor:'accessing'!
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includesSelf
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"returns true if 'self' is included in the list
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"
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^ (self instanceTypeAt:1) == #self
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!
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includesSelf:aBoolean
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"includes 'self' dependant on the boolean
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"
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(self includesSelf) ~~ aBoolean ifTrue:[
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aBoolean ifTrue:[
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instanceNames addFirst:'self'.
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instanceTypes addFirst:#self.
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selection isNil ifTrue:[selection := 1]
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ifFalse:[selection := selection + 1]
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] ifFalse:[
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instanceNames removeFirst.
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instanceTypes removeFirst.
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selection isNil ifFalse:[
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(selection := selection - 1) == 0 ifTrue:[
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selection := nil
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]
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]
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]
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]
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!
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size
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"returns current list size
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"
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^ instanceNames size
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! !
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!InspectorList methodsFor:'accessing contents'!
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inspectedObject
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"returns current inspected object
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"
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^ inspectedObject
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!
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instanceNameAt:anIndex
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"returns the name assigned to the index
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"
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|idx nm|
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(anIndex notNil and:[anIndex <= instanceTypes size]) ifTrue:[
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nm := instanceNames at:anIndex.
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(nm at:1) isDigit ifFalse:[
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^ nm
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].
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idx := Number readFrom:nm onError:0.
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^ '[', idx printString, ']'.
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].
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^ nil
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!
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instanceNames
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"returns list of instance names
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"
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^ instanceNames
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!
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instanceTypeAt:anIndex
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"returns type assigned to the list entry (#directory #normal #self)
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"
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(anIndex notNil and:[anIndex <= instanceTypes size]) ifTrue:[
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^ instanceTypes at:anIndex
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].
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^ nil
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!
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instanceTypes
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"returns list of types (#directory #normal #self)
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"
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^ instanceTypes
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!
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instanceVarAt:anIndex
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"returns the instnace variable assigned to the index
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"
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|idx nm|
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(anIndex notNil and:[anIndex <= instanceTypes size]) ifTrue:[
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nm := instanceNames at:anIndex.
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(nm at:1) isDigit ifFalse:[
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self includesSelf ifFalse:[
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^ inspectedObject instVarAt:anIndex
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].
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anIndex == 1 ifFalse:[^ inspectedObject instVarAt:(anIndex-1)]
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ifTrue:[^ inspectedObject]
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].
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^ inspectedObject basicAt:(Number readFrom:nm onError:0)
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].
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^ nil
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! !
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!InspectorList methodsFor:'actions'!
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accept:aText notifying:aView
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"on error #Error is returned otherwise the inspected object instance
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"
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|txt slNr value|
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(selection isNil or:[(txt := self textToString:aText) isNil]) ifTrue:[
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^ #Error
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].
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self includesSelf ifFalse:[slNr := selection]
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ifTrue:[slNr := selection -1].
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value := inspectedObject class evaluatorClass
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evaluate:txt
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receiver:inspectedObject
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notifying:aView.
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slNr ~~ 0 ifTrue:[
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(inspectedObject class isVariable) ifFalse:[
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inspectedObject instVarAt:slNr put:value
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] ifTrue:[
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slNr <= (inspectedObject class instSize) ifTrue:[
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inspectedObject instVarAt:slNr put:value
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] ifFalse:[
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slNr := slNr - inspectedObject class instSize.
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inspectedObject basicAt:slNr put:value
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]
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]
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].
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inspectedObject changed.
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self update.
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^ inspectedObject
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!
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doIt:aCode notifying:aView
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"on success the value returned from parser is returned otherwise #Error
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"
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|code result evaluator selInstVar state|
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(selection isNil or:[(code := self textToString:aCode) isNil]) ifFalse:[
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selInstVar := self selectedInstanceVar.
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evaluator := selInstVar class evaluatorClass.
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state := true.
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evaluator notNil ifTrue:[
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result := evaluator evaluate:code
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in:nil
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receiver:selInstVar
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notifying:aView
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logged:true
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ifFail:[state := false].
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state ifTrue:[
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self update.
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^ result
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]
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]
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].
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^ #Error.
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! !
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!InspectorList methodsFor:'initialization'!
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for:anObject
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"setup a new instance
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"
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|varNamesSize|
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inspectedObject := anObject.
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selection := nil.
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(self class isDirectory:inspectedObject) ifTrue:[
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instanceNames := inspectedObject class allInstVarNames.
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varNamesSize := instanceNames size.
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instanceTypes := OrderedCollection new:varNamesSize.
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1 to:varNamesSize do:[:i|
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(self class isDirectory:(inspectedObject instVarAt:i)) ifTrue:[
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instanceTypes add:#directory
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] ifFalse:[
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instanceTypes add:#normal
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]
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]
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] ifFalse:[
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instanceNames := OrderedCollection new.
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instanceTypes := OrderedCollection new.
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].
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self update.
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! !
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!InspectorList methodsFor:'private'!
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lastVariableId
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"returns last variable id or nil if not growable
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"
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|lstId bscSz|
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(inspectedObject isVariable and:[self class isDirectory:inspectedObject]) ifFalse:[
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^ nil
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].
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bscSz := inspectedObject class instSize.
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self includesSelf ifTrue:[
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bscSz := bscSz + 1.
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].
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lstId := instanceTypes size - bscSz.
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(lstId ~~ 0 and:[instanceTypes last == #grow]) ifTrue:[^ lstId-1]
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ifFalse:[^ lstId].
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!
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resizeVariableList:toNumber
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"resize variable list
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"
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|lstVarId basicSize newLastId obj|
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(lstVarId := self lastVariableId) isNil ifTrue:[
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^ self
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].
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basicSize := inspectedObject basicSize.
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(toNumber <= lstVarId or:[basicSize == lstVarId]) ifTrue:[
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^ self
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].
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newLastId := (toNumber + 49) roundTo:100.
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newLastId > basicSize ifTrue:[
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newLastId := basicSize
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].
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lstVarId ~~ 0 ifTrue:[
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instanceTypes last == #grow ifTrue:[
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instanceNames removeLast. " .. "
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instanceTypes removeLast. " #grow "
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]
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].
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[lstVarId ~~ newLastId] whileTrue:[
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lstVarId := lstVarId + 1.
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obj := inspectedObject basicAt:lstVarId.
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(self class isDirectory:obj) ifTrue:[instanceTypes add:#directory]
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ifFalse:[instanceTypes add:#normal].
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instanceNames add:(lstVarId printString, ' ', obj class name printString).
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].
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lstVarId ~~ basicSize ifTrue:[
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instanceNames add:'..'.
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instanceTypes add:#grow
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].
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!
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textToString:aText
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"converts a text to a string
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"
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|s|
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aText isString ifTrue:[
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s := aText string
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] ifFalse:[
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aText isCollection ifTrue:[
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s := ''.
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aText do:[:el|el notNil ifTrue:[s := s, el string]].
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]
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].
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s notNil ifTrue:[
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(s := s withoutSeparators) notEmpty ifTrue:[
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^ s
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]
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].
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^ nil.
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!
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update
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"update contents
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"
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|delNr lstVarId|
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(lstVarId := self lastVariableId) isNil ifFalse:[
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lstVarId == 0 ifTrue:[
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lstVarId := 100
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] ifFalse:[
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instanceTypes last == #grow ifTrue:[delNr := lstVarId+1]
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ifFalse:[delNr := lstVarId].
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instanceTypes removeLast:delNr.
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instanceNames removeLast:delNr.
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].
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self resizeVariableList:lstVarId.
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]
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! !
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!InspectorList methodsFor:'selections'!
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selectedInstanceName
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"returns name of current selection or nil
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"
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^ self instanceNameAt:selection
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!
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selectedInstanceType
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"returns type of current selection or nil
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"
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^ self instanceTypeAt:selection
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!
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selectedInstanceVar
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"returns current inspected instance variable or nil
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"
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^ self instanceVarAt:selection
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!
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selection
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"returns current selection number or nil
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"
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^ selection
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!
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selection:aNrOrNil
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"change current selection to a number or nil; may grow a variable list
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"
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|rsz|
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aNrOrNil isNil ifTrue:[
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self includesSelf ifTrue:[selection := 1]
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ifFalse:[selection := nil]
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] ifFalse:[
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aNrOrNil >= instanceNames size ifTrue:[
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(rsz := self lastVariableId) notNil ifTrue:[
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rsz := rsz * 2.
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rsz < aNrOrNil ifTrue:[
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rsz := aNrOrNil
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].
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self resizeVariableList:rsz
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]
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].
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aNrOrNil > instanceNames size ifFalse:[selection := aNrOrNil]
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ifTrue:[selection := nil]
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]
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! !
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!InspectorList class methodsFor:'documentation'!
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version
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^ '$Header$'
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! !
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