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1422
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"{ Package: 'stx:libtool' }"
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1415
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Object subclass:#SnapShotImage
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instanceVariableNames:'memory globals'
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classVariableNames:''
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poolDictionaries:''
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category:'System-Support'
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!
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!SnapShotImage class methodsFor:'instance creation'!
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for:aFilename
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^ self new for:aFilename
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! !
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!SnapShotImage methodsFor:'private'!
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fetchGlobals
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globals := IdentityDictionary new.
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memory globalEntries do:[:eachEntry |
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|nameSymRef valRef nameSym value|
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nameSymRef := eachEntry key.
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valRef := eachEntry value.
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nameSymRef isImageSymbol ifFalse:[self halt].
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nameSym := (memory printStringOfSymbol:nameSymRef) asSymbol.
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globals at:nameSym put:valRef
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].
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!
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for:aFilename
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memory := SnapShotImageMemory for:aFilename.
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memory image:self.
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memory readHeader! !
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!SnapShotImage methodsFor:'smalltalk protocol'!
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allClassesDo:aBlock
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self keysAndValuesDo:[:key :valRef |
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valRef isInteger ifFalse:[
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valRef ~~ true ifTrue:[
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valRef ~~ false ifTrue:[
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valRef notNil ifTrue:[
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valRef isImageBehavior ifTrue:[
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aBlock value:valRef
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]
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]
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]
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]
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]
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].
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!
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1418
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allClassesInCategory:aCategory
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|coll|
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coll := OrderedCollection new.
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self allClassesInCategory:aCategory do:[:aClass |
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coll add:aClass
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].
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^ coll!
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allClassesInCategory:aCategory do:aBlock
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"evaluate the argument, aBlock for all classes in the aCategory;
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The order of the classes is not defined."
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aCategory notNil ifTrue:[
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self allClassesDo:[:aClass |
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aClass isMeta ifFalse:[
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(aClass category = aCategory) ifTrue:[
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aBlock value:aClass
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]
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]
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]
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]!
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at:aKey
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globals isNil ifTrue:[
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self fetchGlobals
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].
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^ globals at:aKey
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!
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at:aKey ifAbsent:exceptionValue
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globals isNil ifTrue:[
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self fetchGlobals
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].
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^ globals at:aKey ifAbsent:exceptionValue!
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1415
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keysAndValuesDo:aTwoArgBlock
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globals isNil ifTrue:[
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self fetchGlobals
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].
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globals keysAndValuesDo:aTwoArgBlock
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! !
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!SnapShotImage class methodsFor:'documentation'!
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version
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^ '$Header$'
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! !
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