author | Jan Vrany <jan.vrany@labware.com> |
Thu, 27 Oct 2022 14:53:59 +0100 | |
branch | jv |
changeset 4735 | 3b11fb3ede98 |
parent 4681 | f30fb0d78836 |
permissions | -rw-r--r-- |
4452 | 1 |
"{ Encoding: utf8 }" |
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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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"{ Package: 'stx:libcomp' }" |
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"{ NameSpace: Smalltalk }" |
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Object subclass:#ObjectFileHandle |
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instanceVariableNames:'sysHandle1 sysHandle2 pathName moduleID handleType weakMethodRef |
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weakClassRefs weakFunctionRefs snapshot' |
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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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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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||
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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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36 |
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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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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This is required to be able to fixup classes, methods and function references |
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when an image is restarted and the dynamic objects are reloaded. |
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[see also:] |
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ExternalFunction |
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ObjectFileLoader |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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!ObjectFileHandle class methodsFor:'change & update'! |
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preSnapshot |
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"about to write a snapshot. |
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Mark all the current instances as being snapshotted" |
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self allInstancesDo:[:i| i snapshot:true]. |
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! ! |
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!ObjectFileHandle methodsFor:'accessing'! |
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classes |
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"return the classes" |
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weakClassRefs isNil ifTrue:[^ #()]. |
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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 notNil ifTrue:[ |
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weakClassRefs removeDependent:self. |
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weakClassRefs := nil. |
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handleType := nil. |
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]. |
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aCollectionOfClasses notNil ifTrue:[ |
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weakClassRefs := WeakArray withAll:aCollectionOfClasses. |
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weakClassRefs addDependent:self. |
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handleType := #classLibraryObject |
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]. |
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"Created: 14.9.1995 / 21:13:13 / claus" |
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! |
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functions |
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"return the functions which were already extracted from the module." |
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weakFunctionRefs isNil ifTrue:[^ #()]. |
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^ weakFunctionRefs asArray |
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select:[:f | f notNil and:[f class ~~ SmallInteger]] |
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"Created: 12.7.1996 / 15:33:09 / cg" |
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"Modified: 30.1.1997 / 20:54:54 / cg" |
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! |
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makeClassLibHandle |
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"make this a classLibHandle - must be done manually when init failed for proper de-registration |
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later." |
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handleType notNil ifTrue:[ |
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self error:'should not happen'. |
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]. |
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handleType := #classLibraryObject |
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! |
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method |
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"return the method (or nil, if I am not a method-file handle)" |
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weakMethodRef isNil ifTrue:[^ nil]. |
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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 the method" |
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weakMethodRef notNil ifTrue:[ |
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weakMethodRef removeDependent:self. |
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weakMethodRef := nil. |
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handleType := nil. |
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]. |
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something notNil ifTrue:[ |
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weakMethodRef := WeakArray with:something. |
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weakMethodRef addDependent:self. |
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handleType := #methodObject. |
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]. |
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"Created: 14.9.1995 / 21:13:13 / claus" |
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! |
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methods |
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"return the collection of methods (or an empty collection, |
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if I am not a method-file handle)" |
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|m| |
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(m := self method) isNil ifTrue:[^ #()]. |
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"/ TODO: this will return a real collection, when method-only |
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"/ binaries remember that relevant information ... |
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^ Array with:m |
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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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165 |
moduleID := 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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snapshot |
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"return the value of the instance variable 'snapshot' (automatically generated)" |
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^ snapshot |
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! |
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snapshot:something |
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"set the value of the instance variable 'snapshot' (automatically generated)" |
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snapshot := something. |
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! |
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141 | 198 |
sysHandle1 |
199 |
"return sysHandle1" |
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200 |
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201 |
^ sysHandle1 |
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202 |
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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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208 |
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209 |
sysHandle1 := something. |
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210 |
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"Created: 14.9.1995 / 21:13:12 / claus" |
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! |
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213 |
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sysHandle2 |
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215 |
"return sysHandle2" |
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216 |
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217 |
^ sysHandle2 |
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"Created: 14.9.1995 / 21:13:12 / claus" |
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220 |
! |
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sysHandle2:something |
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223 |
"set sysHandle2" |
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224 |
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225 |
sysHandle2 := something. |
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226 |
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"Created: 14.9.1995 / 21:13:12 / claus" |
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! ! |
141 | 229 |
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1554 | 230 |
!ObjectFileHandle methodsFor:'actions'! |
231 |
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2347 | 232 |
removeConnectedObjects |
233 |
"remove the smalltalk objects from the system that are connected |
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234 |
with this ObjectFileHandle" |
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|method| |
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237 |
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self isClassLibHandle ifTrue:[ |
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"/ remove the classes (meta- and private classes are removed as a side effect)... |
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Class withoutUpdatingChangesDo:[ |
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self classes do:[:eachClass | |
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(eachClass notNil |
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and:[eachClass isMeta not |
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and:[eachClass isPrivate not]]) ifTrue:[ |
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eachClass removeFromSystem. |
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] |
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] |
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248 |
]. |
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249 |
^ self. |
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]. |
251 |
self isMethodHandle ifTrue:[ |
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252 |
"we keep the method, but break the association to its code" |
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253 |
method := self method. |
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254 |
method notNil ifTrue:[ |
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method code:nil. |
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256 |
self method:nil. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
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|
257 |
]. |
2347 | 258 |
]. |
259 |
! |
|
260 |
||
2349 | 261 |
removeUnusedObjectFile |
262 |
"remove the object file, |
|
263 |
but only if we are sure, that it is not referenced by a snapshot." |
|
264 |
||
265 |
snapshot ~~ true ifTrue:[ |
|
4265 | 266 |
pathName asFilename removeFile. |
2349 | 267 |
] |
268 |
! |
|
269 |
||
1554 | 270 |
unload |
271 |
"unload the object file represented by me" |
|
272 |
||
273 |
ObjectFileLoader unloadDynamicObject:self |
|
274 |
! ! |
|
275 |
||
259 | 276 |
!ObjectFileHandle methodsFor:'change & update'! |
277 |
||
278 |
update:something with:aParameter from:changedObject |
|
279 |
"my method/class object was collected - unload the underlying objectfile" |
|
280 |
||
490
621a7283b926
oops - changeArg is #ElementExpired; changedObject is the one we have to
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diff
changeset
|
281 |
changedObject == weakMethodRef ifTrue:[ |
4681 | 282 |
weakMethodRef nilAllCorpsesAndDo:[:idx |]. |
367
87d4673fbd06
changed WeakArray to set emptied slots to zero
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304
diff
changeset
|
283 |
]. |
87d4673fbd06
changed WeakArray to set emptied slots to zero
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304
diff
changeset
|
284 |
|
490
621a7283b926
oops - changeArg is #ElementExpired; changedObject is the one we have to
Claus Gittinger <cg@exept.de>
parents:
474
diff
changeset
|
285 |
changedObject == weakClassRefs ifTrue:[ |
4681 | 286 |
weakClassRefs nilAllCorpsesAndDo:[:idx |]. |
367
87d4673fbd06
changed WeakArray to set emptied slots to zero
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304
diff
changeset
|
287 |
]. |
87d4673fbd06
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
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diff
changeset
|
288 |
|
259 | 289 |
self isObsolete ifTrue:[ |
4681 | 290 |
weakFunctionRefs notNil ifTrue:[ |
291 |
weakFunctionRefs removeDependent:self. |
|
292 |
weakFunctionRefs := nil. |
|
293 |
]. |
|
294 |
weakClassRefs notNil ifTrue:[ |
|
295 |
weakClassRefs removeDependent:self. |
|
296 |
weakClassRefs := nil. |
|
297 |
]. |
|
298 |
weakMethodRef notNil ifTrue:[ |
|
299 |
weakMethodRef removeDependent:self. |
|
300 |
weakMethodRef := nil. |
|
301 |
]. |
|
302 |
Logger info:'ObjectFileHandle: unloading %1 (method/classes were garbageCollected)' with:pathName. |
|
303 |
self unload. |
|
304 |
self removeUnusedObjectFile. |
|
259 | 305 |
]. |
306 |
||
307 |
"Created: 5.12.1995 / 18:05:08 / cg" |
|
490
621a7283b926
oops - changeArg is #ElementExpired; changedObject is the one we have to
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474
diff
changeset
|
308 |
"Modified: 30.1.1997 / 20:57:56 / cg" |
259 | 309 |
! ! |
310 |
||
4423 | 311 |
!ObjectFileHandle methodsFor:'copying-private'! |
259 | 312 |
|
313 |
postCopy |
|
314 |
"flush module handles of the copy" |
|
315 |
||
316 |
sysHandle1 := sysHandle2 := moduleID := nil |
|
317 |
||
318 |
"Created: 5.12.1995 / 21:10:49 / cg" |
|
319 |
"Modified: 25.4.1996 / 09:43:53 / cg" |
|
1614 | 320 |
! |
321 |
||
322 |
postDeepCopy |
|
323 |
sysHandle1 := sysHandle2 := moduleID := nil |
|
259 | 324 |
! ! |
325 |
||
1080 | 326 |
!ObjectFileHandle methodsFor:'printing & storing'! |
157
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
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154
diff
changeset
|
327 |
|
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
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diff
changeset
|
328 |
printOn:aStream |
259 | 329 |
"append a printed representation of the receiver to aStream" |
330 |
||
4452 | 331 |
aStream nextPutAll:self className; nextPutAll:'(handle=<'. |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
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diff
changeset
|
332 |
sysHandle1 printOn:aStream. |
4127 | 333 |
aStream space. |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
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diff
changeset
|
334 |
sysHandle2 printOn:aStream. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
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diff
changeset
|
335 |
aStream nextPutAll:'> path='''. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
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diff
changeset
|
336 |
pathName printOn:aStream. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
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diff
changeset
|
337 |
aStream nextPutAll:''' id='. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
338 |
moduleID printOn:aStream. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
339 |
aStream nextPutAll:' type='. |
157
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
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154
diff
changeset
|
340 |
handleType printOn:aStream. |
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
341 |
aStream nextPutAll:' method=<'. |
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
342 |
self method printOn:aStream. |
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
343 |
aStream nextPutAll:'> classes=<'. |
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
344 |
self classes printOn:aStream. |
4127 | 345 |
aStream nextPut:$>. |
157
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
346 |
|
4127 | 347 |
aStream nextPut:$). |
157
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
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154
diff
changeset
|
348 |
|
4127 | 349 |
"Modified: / 25-04-1996 / 09:44:08 / cg" |
350 |
"Modified: / 17-02-2017 / 10:35:25 / stefan" |
|
4452 | 351 |
"Modified: / 28-06-2019 / 09:05:21 / Claus Gittinger" |
157
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
352 |
! ! |
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
353 |
|
141 | 354 |
!ObjectFileHandle methodsFor:'queries'! |
355 |
||
299
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
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263
diff
changeset
|
356 |
getFunction:aString |
1767 | 357 |
"return a function object for an entry in the module represented by the receiver." |
358 |
||
359 |
|f| |
|
299
33a154508328
additional support for non-ST object files (function modules)
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263
diff
changeset
|
360 |
|
1767 | 361 |
f := ExternalFunction basicNew. |
362 |
(self getFunctionAddress:aString into:f) isNil ifTrue:[ |
|
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
363 |
^ nil |
299
33a154508328
additional support for non-ST object files (function modules)
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263
diff
changeset
|
364 |
]. |
1769 | 365 |
f setName:aString moduleHandle:self. |
1767 | 366 |
^ f. |
299
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
367 |
! |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
368 |
|
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
369 |
getFunctionAddress:aString into:anExternalFunction |
1743 | 370 |
"fill the code address of the external function named aString into anExternalFunction. |
371 |
Returns the address, or nil." |
|
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
372 |
|
1767 | 373 |
|address slot sz nW| |
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
374 |
|
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
375 |
address := ObjectFileLoader getFunction:aString from:self. |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
376 |
address isNil ifTrue:[ |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
377 |
anExternalFunction code:0. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
378 |
^ nil |
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
379 |
]. |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
380 |
|
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
381 |
anExternalFunction code:address. |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
382 |
weakFunctionRefs isNil ifTrue:[ |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
383 |
handleType := #functionObject. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
384 |
weakFunctionRefs := WeakArray with:anExternalFunction. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
385 |
^ address. |
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
386 |
]. |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
387 |
|
1767 | 388 |
(weakFunctionRefs includesIdentical:anExternalFunction) ifTrue:[ |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
389 |
^ address |
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
390 |
]. |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
391 |
|
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
392 |
slot := weakFunctionRefs identityIndexOf:nil. |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
393 |
slot ~~ 0 ifTrue:[ |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
394 |
weakFunctionRefs at:slot put:anExternalFunction. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
395 |
^ address. |
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
396 |
]. |
1767 | 397 |
weakFunctionRefs := weakFunctionRefs copyWith:anExternalFunction. |
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
398 |
|
1767 | 399 |
"/ sz := weakFunctionRefs size. |
400 |
"/ nW := WeakArray new:(sz + 1). |
|
401 |
"/ nW replaceFrom:1 to:sz with:weakFunctionRefs startingAt:1. |
|
402 |
"/ nW at:sz+1 put:anExternalFunction. |
|
403 |
"/ |
|
404 |
"/ weakFunctionRefs := nW. |
|
1603
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
405 |
^ address |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
406 |
! |
4243be479e4f
more FFI (foreign function interface) support - still incomplete
Stefan Vogel <sv@exept.de>
parents:
1554
diff
changeset
|
407 |
|
299
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
408 |
hasUndefinedSymbols |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
409 |
"return true, if the module has any undefined symbols. |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
410 |
The only system, which allows modules with undefined symbols to be |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
411 |
loaded is (currently) the linux a.out version." |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
412 |
|
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
413 |
^ ObjectFileLoader hasUndefinedSymbolsIn:self |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
414 |
|
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
415 |
"Created: 12.7.1996 / 14:59:09 / cg" |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
416 |
! |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
417 |
|
141 | 418 |
isClassLibHandle |
419 |
"return true, if I am a handle for a class library" |
|
420 |
||
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
421 |
^ handleType == #classLibraryObject |
141 | 422 |
! |
423 |
||
299
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
424 |
isFunctionObjectHandle |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
425 |
"return true, if I am a handle for a c-code (or other) function object file" |
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
426 |
|
304 | 427 |
^ handleType == #functionObject |
299
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
428 |
|
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
429 |
"Created: 12.7.1996 / 15:35:33 / cg" |
304 | 430 |
"Modified: 12.7.1996 / 17:25:31 / cg" |
157
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
431 |
! |
d7f68808a258
reload objects in the previous order
Claus Gittinger <cg@exept.de>
parents:
154
diff
changeset
|
432 |
|
259 | 433 |
isMethodHandle |
434 |
"return true, if I am a handle for a single compiled method" |
|
435 |
||
436 |
^ handleType == #methodObject |
|
437 |
! |
|
438 |
||
141 | 439 |
isObsolete |
440 |
"return true, if my clases/method has already been removed from |
|
441 |
the image. I.e. if the object file can be unloaded without danger." |
|
442 |
||
367
87d4673fbd06
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
304
diff
changeset
|
443 |
|ref| |
87d4673fbd06
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
304
diff
changeset
|
444 |
|
154 | 445 |
moduleID notNil ifTrue:[ |
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
446 |
handleType == #classLibraryObject ifTrue:[ |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
447 |
^ weakClassRefs isNil or:[(weakClassRefs findFirst:[:x | x notNil and:[x class ~~ SmallInteger]]) == 0] |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
448 |
]. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
449 |
handleType == #methodObject ifTrue:[ |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
450 |
weakMethodRef isNil ifTrue:[^ true]. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
451 |
ref := weakMethodRef at:1. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
452 |
^ ref isNil or:[ref class == SmallInteger] |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
453 |
]. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
454 |
handleType == #functionObject ifTrue:[ |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
455 |
^ weakFunctionRefs isNil or:[(weakFunctionRefs findFirst:[:x | x notNil and:[x class ~~ SmallInteger]]) == 0] |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
456 |
]. |
141 | 457 |
]. |
458 |
^ false |
|
299
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
459 |
|
33a154508328
additional support for non-ST object files (function modules)
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
460 |
"Modified: 12.7.1996 / 15:42:21 / cg" |
967
160ab002eed1
support proper unregistration, when a classLib fails to load
Claus Gittinger <cg@exept.de>
parents:
963
diff
changeset
|
461 |
! |
160ab002eed1
support proper unregistration, when a classLib fails to load
Claus Gittinger <cg@exept.de>
parents:
963
diff
changeset
|
462 |
|
160ab002eed1
support proper unregistration, when a classLib fails to load
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parents:
963
diff
changeset
|
463 |
isUnknownHandle |
160ab002eed1
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parents:
963
diff
changeset
|
464 |
"return true, if it is not (yet) known, what type of |
160ab002eed1
support proper unregistration, when a classLib fails to load
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
465 |
file is represented by the handle. (i.e. when loaded, but not yet |
160ab002eed1
support proper unregistration, when a classLib fails to load
Claus Gittinger <cg@exept.de>
parents:
963
diff
changeset
|
466 |
registered/initialized)" |
160ab002eed1
support proper unregistration, when a classLib fails to load
Claus Gittinger <cg@exept.de>
parents:
963
diff
changeset
|
467 |
|
160ab002eed1
support proper unregistration, when a classLib fails to load
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parents:
963
diff
changeset
|
468 |
^ handleType isNil |
973 | 469 |
! |
470 |
||
471 |
package |
|
472 |
"retrieve the packageID of the class-library handle" |
|
473 |
||
1928 | 474 |
|classes methods| |
973 | 475 |
|
476 |
"/ sigh - for now, the package must be extracted from the first classes/methods |
|
477 |
"/ package. |
|
478 |
||
479 |
self isClassLibHandle ifTrue:[ |
|
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
480 |
(classes := self classes) notEmpty ifTrue:[ |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
481 |
^ classes first package |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
482 |
]. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
483 |
^ nil |
973 | 484 |
]. |
485 |
self isMethodHandle ifTrue:[ |
|
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
486 |
(methods := self methods) notEmpty ifTrue:[ |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
487 |
^ methods first package |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
488 |
]. |
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
2884
diff
changeset
|
489 |
^ nil |
973 | 490 |
]. |
491 |
^ nil |
|
1928 | 492 |
|
493 |
"Modified: / 12-10-2006 / 20:00:15 / cg" |
|
141 | 494 |
! ! |
495 |
||
368 | 496 |
!ObjectFileHandle class methodsFor:'documentation'! |
148 | 497 |
|
498 |
version |
|
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
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parents:
2884
diff
changeset
|
499 |
^ '$Header$' |
2347 | 500 |
! |
501 |
||
502 |
version_CVS |
|
3662
56bf5e42eea3
ipreps for linked index chain in WeakArray
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
503 |
^ '$Header$' |
148 | 504 |
! ! |
3849 | 505 |