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'From Smalltalk/X, Version:2.10.7 on 14-sep-1995 at 9:26:01 pm' !
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Object subclass:#ObjectFileHandle
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instanceVariableNames:'sysHandle1 sysHandle2 pathName moduleID handleType weakMethodRef weakClassRefs'
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classVariableNames:''
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poolDictionaries:''
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category:'System-Compiler'
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!
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!ObjectFileHandle class methodsFor:'documentation'!
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version
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"
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$Header: /cvs/stx/stx/libcomp/ObjectFileHandle.st,v 1.5 1995-10-23 16:57:59 cg Exp $
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"
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!
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documentation
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"
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not for public use - used by ObjectFileLoader to keep track of loaded modules,
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associating objectFile names and moduleIDs to classes/methods.
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"
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"Created: 14.9.1995 / 21:10:55 / claus"
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!
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history
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"Created: 14.9.1995 / 21:10:55 / claus"
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"Modified: 14.9.1995 / 21:10:55 / claus"
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!
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copyright
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"
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COPYRIGHT (c) 1995 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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! !
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!ObjectFileHandle methodsFor:'queries'!
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isClassLibHandle
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"return true, if I am a handle for a class library"
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^ handleType == #classLibraryObject
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!
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isMethodHandle
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"return true, if I am a handle for a single compiled method"
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^ handleType == #methodObject
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!
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isObsolete
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"return true, if my clases/method has already been removed from
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the image. I.e. if the object file can be unloaded without danger."
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handleType == #classLibraryObject ifTrue:[
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^ (weakClassRefs findFirst:[:x | x notNil]) == 0
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].
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handleType == #methodObject ifTrue:[
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^ (weakMethodRef at:1) isNil
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].
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^ false
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! !
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!ObjectFileHandle methodsFor:'accessing'!
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sysHandle1
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"return sysHandle1"
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^ sysHandle1
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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sysHandle1:something
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"set sysHandle1"
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sysHandle1 := something.
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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sysHandle2
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"return sysHandle2"
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^ sysHandle2
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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sysHandle2:something
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"set sysHandle2"
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sysHandle2 := something.
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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pathName
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"return pathName"
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^ pathName
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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pathName:something
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"set pathName"
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pathName := something.
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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moduleID
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"return moduleID"
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^ moduleID
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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moduleID:something
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"set moduleID"
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moduleID := something.
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"Created: 14.9.1995 / 21:13:12 / claus"
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!
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classes
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"return the classes"
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weakClassRefs isNil ifTrue:[^nil].
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^ weakClassRefs asArray
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"Created: 14.9.1995 / 21:13:13 / claus"
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!
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classes:aCollectionOfClasses
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"set the classes collection"
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weakClassRefs := WeakArray withAll:aCollectionOfClasses.
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handleType := #classLibraryObject
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"Created: 14.9.1995 / 21:13:13 / claus"
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!
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method
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"return method"
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^ weakMethodRef at:1
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"Created: 14.9.1995 / 21:13:13 / claus"
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!
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method:something
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"set method"
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weakMethodRef := WeakArray with:something.
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handleType := #methodObject.
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"Created: 14.9.1995 / 21:13:13 / claus"
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! !
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