author | Claus Gittinger <cg@exept.de> |
Sat, 11 Jan 1997 13:14:19 +0100 | |
changeset 2145 | d243ffafeae3 |
parent 2091 | c11bb3e29a1b |
child 2186 | a82449c022fc |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1991 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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||
603 | 13 |
Array subclass:#WeakArray |
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instanceVariableNames:'dependents' |
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classVariableNames:'RegistrationFailedSignal AlreadyInitialized' |
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poolDictionaries:'' |
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category:'Collections-Arrayed' |
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! |
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!WeakArray class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1991 by Claus Gittinger |
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186 | 25 |
All Rights Reserved |
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|
27 |
This software is furnished under a license and may be used |
|
28 |
only in accordance with the terms of that license and with the |
|
29 |
inclusion of the above copyright notice. This software may not |
|
30 |
be provided or otherwise made available to, or used by, any |
|
31 |
other person. No title to or ownership of the software is |
|
32 |
hereby transferred. |
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" |
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! |
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||
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documentation |
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" |
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WeakArrays can be used to trace disposal of objects; in contrast to other |
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objects, references by WeakArrays will NOT keep an object from being |
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garbage collected. |
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Instead, whenever an object kept in a WeakArray dies, its entry is zeroed, |
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and the WeakArray is informed by the storage manager. The WeakArray itself |
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then informs possible dependents via te dependency mechanism. |
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|
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WeakArrays are used to track disposal of objects which keep external |
95 | 46 |
world resources. For example, FileStreams must close their underlying |
290 | 47 |
file when disposed (otherwise you could run out of OS filedescriptors). |
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This can be done by keeping the FileStream objects in a weakArray, and |
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keep a parallel array of filedescriptors. Whenever a fileStream is |
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freed, search both arrays for an index where the stream is zero, but the |
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filedescriptor is non-nil. Then close that file, and nil the filedescriptor |
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entry. Notice, that there is a class (Registry) which does exactly this in |
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a more programmer friendly way. |
|
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|
290 | 55 |
Another application is caching of data: keep it in a weakArray, so the |
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data in that cache will not be unreclaimable due to being cached. |
57 |
(for example, the ResourcePack class uses a WeakArray to cache recently |
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used resource data for a while). |
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|
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The way in which weakArrays get informed by the runtime system is via |
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an interrupt (DisposeInterrupt) which is first sent to the disposeHandler |
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(typically ObjectMemory). ObjectMemory then takes the required steps to |
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notify all weakArrays via the #lostPointer message. |
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|
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The reason for not sending messages directly from the VM is to make it |
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possible to run the finalization code at lower priority or from another class. |
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Also, as a side effect, it is possible to delay finalization by blocking |
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interrupts. |
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|
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A weakArray notifies its dependents via normal dependency notfications. |
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[hint:] |
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WeakArray handling adds small some overhead to the VM |
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(each weakarray is scanned after each GC). |
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It is uncertain, if the current mechanism works well |
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with (say) ten-thousands of weakArrays. |
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We had the system running with >2000 weakArrays, some being quite |
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big for a while and had a few percent of added gc time. |
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The system as delivered creates between 50 and 100 weakArrays, |
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but with many dependents, this number may grow. |
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If you need the dependency mechanism on a huge number of objects, |
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consider adding a (non-weak) dependents field to your class |
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- take the implementation of Model as a guide (or subclass them |
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from Model). |
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\ |
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As a possible option, we could perform the weakArray scanning only in |
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the oldSpace reclamation code - this would remove most of the overhead, |
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but will lead to much longer delayed finalization .... we will see. |
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[instance variables:] |
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dependents get informed via #change notifiction |
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that the weakArray has lost pointers. |
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Having the dependents here is an optimization. |
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[class variables:] |
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RegistrationFailedSignal raised if a weakArray cannot be |
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registered by the VM. This only happens, |
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if the VM has to resize its shadow tables |
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and is running out of malloc-memory. |
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[author:] |
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Claus Gittinger |
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[See also:] |
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Array WeakIdentitySet WeakIdentityDictionary Registry |
111 |
Model |
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" |
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! ! |
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!WeakArray class methodsFor:'initialization'! |
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initialize |
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"setup the private signal" |
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RegistrationFailedSignal isNil ifTrue:[ |
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RegistrationFailedSignal := ErrorSignal newSignalMayProceed:true. |
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RegistrationFailedSignal nameClass:self message:#registrationFailedSignal. |
123 |
RegistrationFailedSignal notifierString:'weakArray registration failed'. |
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] |
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! ! |
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!WeakArray class methodsFor:'instance creation'! |
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new:size |
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"return a new weakArray with size slots" |
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"This is a kludge: I would like to set WEAK-flag in the classes |
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initialize method, but (currently) the order in which the class-initialize |
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methods are called is not defined ... |
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... therefore it could happen, that a WeakArray is used by other |
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classes initialize method BEFORE this method is evaluated. |
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To avoid this, the WEAK bit in the class is set here, when the very first |
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WeakArray is created." |
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AlreadyInitialized isNil ifTrue:[ |
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self flags:(Behavior flagWeakPointers). |
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AlreadyInitialized := true |
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]. |
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^ (self basicNew:size) registerAsWeakArray |
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! ! |
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!WeakArray methodsFor:'GC registration'! |
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150 |
registerAsWeakArray |
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"register the receiver in the VM - |
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i.e. tell the VM to nil disposed entries in the receiver |
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and notify the disposeInterruptHandler whenever that happened." |
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|ok| |
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%{ |
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OBJ __addShadowObject(); |
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159 | 159 |
ok = __addShadowObject(self, 0); |
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if (ok == false) { |
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/* |
162 |
* this happens when too many shadow objects are |
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* already there, collect garbage to get rid of |
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* obsolete ones, and try again. |
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* since a full collect is expensive, we try |
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* a scavenge first, doing a full collect only if |
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* that does not help. |
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* |
169 |
* THIS MAY OR MAY NOT BE A GOOD IDEA: although it reduces |
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* the number of shadow objects that have to be |
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* processed at GC time, it may create a long delay here, |
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* at shadow object creation time. |
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* Dont know which is better ... |
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*/ |
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__nonTenuringScavenge(__context); |
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ok = __addShadowObject(self, 0); |
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#ifdef OLD |
186 | 178 |
if (ok == false) { |
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/* |
180 |
* try more ... |
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*/ |
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__scavenge(__context); |
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ok = __addShadowObject(self, 0); |
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#endif |
186 | 185 |
if (ok == false) { |
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/* |
187 |
* hard stuff - need full collect |
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* if this is the very first GC, assume that we are in |
189 |
* the startup phase. Then do no GC. |
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190 |
* Heuristics showed, that this GC does not find much ... |
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*/ |
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if ((__garbageCollectCount() != 0) |
193 |
|| (__incrementalGCCount() != 0)) { |
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__markAndSweepIfUseful(__context); |
195 |
ok = __addShadowObject(self, 0); |
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} |
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if (ok == false) { |
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/* |
199 |
* mhmh - it seems that there are really many shadow |
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* objects around - force creation |
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201 |
*/ |
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ok = __addShadowObject(self, 1); |
203 |
if (ok == false) { |
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/* no chance - something must be wrong */ |
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205 |
} |
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206 |
} |
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207 |
} |
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308 | 208 |
#ifdef OLD |
186 | 209 |
} |
308 | 210 |
#endif |
6 | 211 |
} |
159 | 212 |
%}. |
213 |
ok ifFalse:[ |
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" |
215 |
the VM was not able to register the new weakArray |
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216 |
This can only happen, if the VM has to resize its tables, |
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and a malloc request failed. Usually, this smells like big |
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trouble being on the way (soon running out of memory in |
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other places as well). |
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220 |
Configure your OS for more swap space. |
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" |
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186 | 222 |
^ RegistrationFailedSignal raiseRequestWith:self |
159 | 223 |
] |
6 | 224 |
! ! |
225 |
||
603 | 226 |
!WeakArray methodsFor:'accessing'! |
227 |
||
228 |
at:index |
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229 |
"return the indexed instance variable with index, anInteger. |
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230 |
Reimplemented here for IGC readBarrier. You dont have to understand this." |
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||
232 |
^ self basicAt:index |
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! |
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6 | 234 |
|
603 | 235 |
basicAt:index |
236 |
"return the indexed instance variable with index, anInteger. |
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237 |
Reimplemented here for IGC readBarrier. You dont have to understand this." |
|
238 |
||
239 |
%{ /* NOCONTEXT */ |
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240 |
||
241 |
REGISTER int indx; |
|
242 |
REGISTER unsigned int nIndex; |
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243 |
OBJ el; |
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6 | 244 |
|
603 | 245 |
if (__isSmallInteger(index)) { |
1136 | 246 |
indx = __intVal(index) - 1; |
603 | 247 |
if (indx >= 0) { |
248 |
nIndex = __BYTES2OBJS__(__qSize(self) - OHDR_SIZE); |
|
1136 | 249 |
indx += __intVal(__ClassInstPtr(__qClass(self))->c_ninstvars); |
603 | 250 |
if (indx < nIndex) { |
1136 | 251 |
el = __InstPtr(self)->i_instvars[indx]; |
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if (__isNonNilObject(el)) el = __WEAK_READ__(self, el); |
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253 |
RETURN (el); |
603 | 254 |
} |
255 |
} |
|
256 |
} |
|
257 |
%}. |
|
258 |
^ super basicAt:index |
|
259 |
! |
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260 |
||
261 |
dependents |
|
262 |
"return the dependents of the receiver" |
|
263 |
||
264 |
^ dependents |
|
265 |
! |
|
266 |
||
267 |
dependents:aCollection |
|
268 |
"set the dependents of the receiver" |
|
269 |
||
270 |
dependents := aCollection |
|
6 | 271 |
! ! |
272 |
||
159 | 273 |
!WeakArray methodsFor:'copying'! |
274 |
||
275 |
postCopy |
|
276 |
"copying alone does not really help - we have to tell |
|
277 |
the VM, that there is a new WeakArray around ... |
|
278 |
Q: who copies weakArrays ?" |
|
279 |
||
290 | 280 |
dependents := nil. |
159 | 281 |
self registerAsWeakArray. |
282 |
! ! |
|
283 |
||
1825 | 284 |
!WeakArray methodsFor:'enumerating'! |
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285 |
|
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286 |
do:aBlock |
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287 |
"evaluate the argument, aBlock for each element in the collection. |
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288 |
- reimplemented for IGC readBarrier. You dont have to understand this." |
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|
289 |
|
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290 |
|home element| |
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291 |
%{ |
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292 |
REGISTER OBJFUNC codeVal; |
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293 |
REGISTER int index; |
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294 |
unsigned int nIndex; |
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295 |
static struct inlineCache val = _ILC1; |
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296 |
REGISTER OBJ rHome; |
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|
297 |
|
1136 | 298 |
index = __intVal(__ClassInstPtr(__qClass(self))->c_ninstvars); |
586
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299 |
nIndex = __BYTES2OBJS__(__qSize(self) - OHDR_SIZE); |
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|
300 |
if (__isBlockLike(aBlock) |
1136 | 301 |
&& ((codeVal = __BlockInstPtr(aBlock)->b_code) != (OBJFUNC)nil) |
302 |
&& (__BlockInstPtr(aBlock)->b_nargs == __MKSMALLINT(1))) { |
|
586
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changeset
|
303 |
#ifdef NEW_BLOCK_CALL |
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|
304 |
for (; index < nIndex; index++) { |
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|
305 |
if (InterruptPending != nil) __interruptL(@line); |
1136 | 306 |
element = __InstPtr(self)->i_instvars[index]; |
1780
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parents:
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diff
changeset
|
307 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1688
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diff
changeset
|
308 |
(*codeVal)(aBlock, element); |
586
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changeset
|
309 |
} |
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|
310 |
#else |
1136 | 311 |
home = __BlockInstPtr(aBlock)->b_home; |
586
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|
312 |
rHome = home; |
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|
313 |
if ((rHome == nil) || (__qSpace(rHome) >= STACKSPACE)) { |
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|
314 |
/* |
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|
315 |
* home will not move - keep in a fast register |
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|
316 |
*/ |
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parents:
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diff
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|
317 |
for (; index < nIndex; index++) { |
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8a42db1eea60
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|
318 |
if (InterruptPending != nil) __interruptL(@line); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
319 |
|
1136 | 320 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
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parents:
1688
diff
changeset
|
321 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
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parents:
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diff
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|
322 |
(*codeVal)(rHome, element); |
586
cab695f942a6
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parents:
530
diff
changeset
|
323 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
324 |
} else { |
cab695f942a6
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Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
325 |
for (; index < nIndex; index++) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
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parents:
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diff
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|
326 |
if (InterruptPending != nil) __interruptL(@line); |
586
cab695f942a6
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Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
327 |
|
1136 | 328 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
329 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
330 |
(*codeVal)(home, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
331 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
332 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
333 |
#endif |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
334 |
} else { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
335 |
for (; index < nIndex; index++) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
336 |
if (InterruptPending != nil) __interruptL(@line); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
337 |
|
1136 | 338 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
339 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
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diff
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|
340 |
(*val.ilc_func)(aBlock, |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
341 |
@symbol(value:), |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
342 |
nil, &val, |
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
changeset
|
343 |
element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
344 |
} |
cab695f942a6
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parents:
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diff
changeset
|
345 |
} |
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
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|
346 |
%}. |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
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diff
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|
347 |
^ self |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
348 |
! |
cab695f942a6
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
349 |
|
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
350 |
forAllDeadIndicesDo:aBlock |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
351 |
"evaluate the argument, aBlock for all indices where elements have been |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
352 |
replaced by zero (due to a collected object)." |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
353 |
|
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
354 |
self keysAndValuesDo:[:index :element | |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
355 |
element == 0 ifTrue:[ |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
356 |
aBlock value:index |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
357 |
] |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
358 |
] |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
359 |
! |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
360 |
|
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
361 |
forAllDeadIndicesDo:aBlock replacingCorpsesWith:newValue |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
362 |
"evaluate the argument, aBlock for all indices where elements have been |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
363 |
replaced by zero (due to a collected object), and replace the element |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
364 |
with newValue. |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
365 |
In the current implementation, the block sees the newValue (i.e. it is |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
366 |
changed before the block is called); this behavior is not guaranteed |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
367 |
with future versions." |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
368 |
|
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
369 |
self keysAndValuesDo:[:index :element | |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
370 |
element == 0 ifTrue:[ |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
371 |
self at:index put:newValue. |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
372 |
aBlock value:index. |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
373 |
] |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
374 |
] |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
375 |
! |
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
376 |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
377 |
from:start to:stop do:aBlock |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
378 |
"evaluate the argument, aBlock for the elements starting at index start |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
379 |
up to (and including) stop in the collection. |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
380 |
- reimplemented for IGC readBarrier. You dont have to understand this." |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
381 |
|
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
changeset
|
382 |
|home element| |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
383 |
%{ |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
384 |
REGISTER OBJFUNC codeVal; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
385 |
REGISTER int index; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
386 |
REGISTER OBJ rHome; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
387 |
int nIndex, nInsts; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
388 |
static struct inlineCache val = _ILC1; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
389 |
int indexLow, indexHigh; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
390 |
|
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
391 |
if (__bothSmallInteger(start, stop)) { |
1136 | 392 |
indexLow = __intVal(start); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
393 |
if (indexLow > 0) { |
1136 | 394 |
indexHigh = __intVal(stop); |
395 |
nInsts = __intVal(__ClassInstPtr(__qClass(self))->c_ninstvars); |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
396 |
indexLow += nInsts; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
397 |
indexHigh += nInsts; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
398 |
nIndex = __BYTES2OBJS__(__qSize(self) - OHDR_SIZE); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
399 |
if (indexHigh <= nIndex) { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
400 |
indexLow--; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
401 |
indexHigh--; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
402 |
if (__isBlockLike(aBlock) |
1136 | 403 |
&& ((codeVal = __BlockInstPtr(aBlock)->b_code) != (OBJFUNC)nil) |
404 |
&& (__BlockInstPtr(aBlock)->b_nargs == __MKSMALLINT(1))) { |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
405 |
#ifdef NEW_BLOCK_CALL |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
406 |
for (index=indexLow; index <= indexHigh; index++) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
407 |
if (InterruptPending != nil) __interruptL(@line); |
1136 | 408 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
409 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
410 |
(*codeVal)(aBlock, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
411 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
412 |
#else |
1136 | 413 |
home = __BlockInstPtr(aBlock)->b_home; |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
414 |
rHome = home; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
415 |
if ((rHome == nil) || (__qSpace(rHome) >= STACKSPACE)) { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
416 |
index = indexLow; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
417 |
for (; index <= indexHigh; index++) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
418 |
if (InterruptPending != nil) __interruptL(@line); |
1136 | 419 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
420 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
421 |
(*codeVal)(rHome, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
422 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
423 |
} else { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
424 |
for (index=indexLow; index <= indexHigh; index++) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
425 |
if (InterruptPending != nil) __interruptL(@line); |
1136 | 426 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
427 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
428 |
(*codeVal)(home, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
429 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
430 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
431 |
#endif |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
432 |
} else { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
433 |
for (index=indexLow; index <= indexHigh; index++) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
434 |
if (InterruptPending != nil) __interruptL(@line); |
1136 | 435 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
436 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
437 |
(*val.ilc_func) (aBlock, |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
438 |
@symbol(value:), |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
439 |
nil, &val, |
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
changeset
|
440 |
element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
441 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
442 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
443 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
444 |
RETURN ( self ); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
445 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
446 |
} |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
447 |
%}. |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
448 |
^ super from:start to:stop do:aBlock |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
449 |
! |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
450 |
|
603 | 451 |
keysAndValuesDo:aBlock |
452 |
"evaluate the argument, aBlock for each element in the collection. |
|
453 |
Pass both index and element to the block. |
|
454 |
- reimplemented for speed" |
|
455 |
||
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
changeset
|
456 |
|home element| |
603 | 457 |
%{ |
458 |
REGISTER OBJFUNC codeVal; |
|
459 |
REGISTER int index; |
|
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
460 |
unsigned int nIndex, index0; |
603 | 461 |
static struct inlineCache val2 = _ILC2; |
462 |
REGISTER OBJ rHome; |
|
463 |
||
1136 | 464 |
index = __intVal(__ClassInstPtr(__qClass(self))->c_ninstvars); |
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
465 |
index0 = index; |
603 | 466 |
nIndex = __BYTES2OBJS__(__qSize(self) - OHDR_SIZE); |
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
467 |
|
603 | 468 |
if (__isBlockLike(aBlock) |
1136 | 469 |
&& ((codeVal = __BlockInstPtr(aBlock)->b_code) != (OBJFUNC)nil) |
470 |
&& (__BlockInstPtr(aBlock)->b_nargs == __MKSMALLINT(2))) { |
|
603 | 471 |
#ifdef NEW_BLOCK_CALL |
472 |
for (; index < nIndex; index++) { |
|
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
473 |
if (InterruptPending != nil) __interruptL(@line); |
603 | 474 |
|
1136 | 475 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
476 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
477 |
(*codeVal)(aBlock, __MKSMALLINT(index+1-index0), element); |
603 | 478 |
} |
479 |
#else |
|
1136 | 480 |
home = __BlockInstPtr(aBlock)->b_home; |
603 | 481 |
rHome = home; |
482 |
if ((rHome == nil) || (__qSpace(rHome) >= STACKSPACE)) { |
|
483 |
/* |
|
484 |
* home will not move - keep in a fast register |
|
485 |
*/ |
|
486 |
while (index < nIndex) { |
|
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
487 |
if (InterruptPending != nil) __interruptL(@line); |
603 | 488 |
|
1136 | 489 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
490 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
603 | 491 |
index++; |
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
492 |
(*codeVal)(rHome, __MKSMALLINT(index-index0), element); |
603 | 493 |
} |
494 |
} else { |
|
495 |
while (index < nIndex) { |
|
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
496 |
if (InterruptPending != nil) __interruptL(@line); |
603 | 497 |
|
1136 | 498 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
499 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
603 | 500 |
index++; |
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
501 |
(*codeVal)(home, __MKSMALLINT(index-index0), element); |
603 | 502 |
} |
503 |
} |
|
504 |
#endif |
|
505 |
} else { |
|
506 |
while (index < nIndex) { |
|
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
507 |
if (InterruptPending != nil) __interruptL(@line); |
603 | 508 |
|
1136 | 509 |
element = __InstPtr(self)->i_instvars[index]; |
1780
1b3a4ddc5b94
changed WeakArray to set emptied slots to zero
Claus Gittinger <cg@exept.de>
parents:
1688
diff
changeset
|
510 |
if (__isNonNilObject(element)) element = __WEAK_READ__(self, element); |
603 | 511 |
index++; |
512 |
(*val2.ilc_func)(aBlock, |
|
513 |
@symbol(value:value:), |
|
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
514 |
nil, &val2, |
1782
76bcca2667a8
oops - keysAndValuesDo: passed the wrong index
Claus Gittinger <cg@exept.de>
parents:
1780
diff
changeset
|
515 |
__MKSMALLINT(index-index0), |
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
changeset
|
516 |
element); |
603 | 517 |
} |
518 |
} |
|
519 |
%}. |
|
520 |
^ self |
|
521 |
! |
|
522 |
||
1785
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
523 |
nilAllCorpsesAndDo:aBlock |
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
524 |
"evaluate the argument, aBlock for all indices where elements have been |
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
525 |
cleared (due to a collected object), nil the entry." |
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
526 |
|
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
527 |
self forAllDeadIndicesDo:aBlock replacingCorpsesWith:nil |
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
528 |
! |
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
529 |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
530 |
nonNilElementsDo:aBlock |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
531 |
"evaluate the argument, aBlock for each non-nil element" |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
532 |
|
981
6da206fcc1c4
keep ref to weak-element somewhere (this is a try)
Claus Gittinger <cg@exept.de>
parents:
829
diff
changeset
|
533 |
|home element| |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
534 |
%{ |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
535 |
REGISTER OBJFUNC codeVal; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
536 |
REGISTER int index; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
537 |
int nIndex; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
538 |
static struct inlineCache val = _ILC1; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
539 |
REGISTER OBJ rHome; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
540 |
|
1136 | 541 |
index = __intVal(__ClassInstPtr(__qClass(self))->c_ninstvars); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
542 |
nIndex = __BYTES2OBJS__(__qSize(self) - OHDR_SIZE); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
543 |
if (__isBlockLike(aBlock) |
1136 | 544 |
&& ((codeVal = __BlockInstPtr(aBlock)->b_code) != (OBJFUNC)nil) |
545 |
&& (__BlockInstPtr(aBlock)->b_nargs == __MKSMALLINT(1))) { |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
546 |
#ifdef NEW_BLOCK_CALL |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
547 |
for (; index < nIndex; index++) { |
1136 | 548 |
element = __InstPtr(self)->i_instvars[index]; |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
549 |
if (element != nil) { |
1903 | 550 |
if (InterruptPending != nil) { |
551 |
__interruptL(CONARG); |
|
552 |
/* refetch; who knows what is done in the interrupt ... */ |
|
553 |
element = __InstPtr(self)->i_instvars[index]; |
|
554 |
} |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
555 |
element = __WEAK_READ__(self, element); |
759
908363ce8a32
interest is written with one 'r' (shame on me)
Claus Gittinger <cg@exept.de>
parents:
681
diff
changeset
|
556 |
if (element != nil) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
557 |
(*codeVal)(aBlock, element); |
759
908363ce8a32
interest is written with one 'r' (shame on me)
Claus Gittinger <cg@exept.de>
parents:
681
diff
changeset
|
558 |
} |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
559 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
560 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
561 |
#else |
1136 | 562 |
home = __BlockInstPtr(aBlock)->b_home; |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
563 |
rHome = home; |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
564 |
if ((rHome == nil) || (__qSpace(rHome) >= STACKSPACE)) { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
565 |
/* |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
566 |
* home will not move - keep in in a register |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
567 |
*/ |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
568 |
for (; index < nIndex; index++) { |
1136 | 569 |
element = __InstPtr(self)->i_instvars[index]; |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
570 |
if (element != nil) { |
1903 | 571 |
if (InterruptPending != nil) { |
572 |
__interruptL(CONARG); |
|
573 |
/* refetch; who knows what is done in the interrupt ... */ |
|
574 |
element = __InstPtr(self)->i_instvars[index]; |
|
575 |
} |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
576 |
element = __WEAK_READ__(self, element); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
577 |
if (element != nil) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
578 |
(*codeVal)(rHome, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
579 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
580 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
581 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
582 |
} else { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
583 |
for (; index < nIndex; index++) { |
1136 | 584 |
element = __InstPtr(self)->i_instvars[index]; |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
585 |
if (element != nil) { |
1903 | 586 |
if (InterruptPending != nil) { |
587 |
__interruptL(@line CONARG); |
|
588 |
/* refetch; who knows what is done in the interrupt ... */ |
|
589 |
element = __InstPtr(self)->i_instvars[index]; |
|
590 |
} |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
591 |
element = __WEAK_READ__(self, element); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
592 |
if (element != nil) { |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
593 |
(*codeVal)(home, element); |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
594 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
595 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
596 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
597 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
598 |
#endif |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
599 |
} else { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
600 |
for (; index < nIndex; index++) { |
1136 | 601 |
element = __InstPtr(self)->i_instvars[index]; |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
602 |
if (element != nil) { |
1903 | 603 |
if (InterruptPending != nil) { |
604 |
__interruptL(@line CONARG); |
|
605 |
/* refetch; who knows what is done in the interrupt ... */ |
|
606 |
element = __InstPtr(self)->i_instvars[index]; |
|
607 |
} |
|
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
608 |
element = __WEAK_READ__(self, element); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
609 |
if (element != nil) { |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
610 |
(*val.ilc_func)(aBlock, |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
611 |
@symbol(value:), |
1688
8a42db1eea60
removed all COMMA_CON / CON_COMMA uses
Claus Gittinger <cg@exept.de>
parents:
1290
diff
changeset
|
612 |
nil, &val, |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
613 |
element); |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
614 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
615 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
616 |
} |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
617 |
} |
604 | 618 |
%}. |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
619 |
^ self |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
620 |
! ! |
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
621 |
|
603 | 622 |
!WeakArray methodsFor:'notification'! |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
623 |
|
603 | 624 |
lostPointer |
2091
c11bb3e29a1b
Use dependent mechamism of WeakArray instead of #watcher.
Stefan Vogel <sv@exept.de>
parents:
1903
diff
changeset
|
625 |
"I lost a pointer; tell dependents. |
1785
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
626 |
This is sent from the finalization code in ObjectMemory." |
586
cab695f942a6
weakArray readBarrier for IGC
Claus Gittinger <cg@exept.de>
parents:
530
diff
changeset
|
627 |
|
603 | 628 |
dependents notNil ifTrue:[ |
1785
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
629 |
self changed:#ElementExpired with:nil. |
603 | 630 |
]. |
1785
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
631 |
|
4b18823528b8
commentary & change-aspect made ST-80 compatible
Claus Gittinger <cg@exept.de>
parents:
1782
diff
changeset
|
632 |
"Modified: 18.10.1996 / 21:28:10 / cg" |
2091
c11bb3e29a1b
Use dependent mechamism of WeakArray instead of #watcher.
Stefan Vogel <sv@exept.de>
parents:
1903
diff
changeset
|
633 |
"Modified: 7.1.1997 / 17:22:52 / stefan" |
603 | 634 |
! ! |
6 | 635 |
|
628 | 636 |
!WeakArray class methodsFor:'documentation'! |
637 |
||
638 |
version |
|
2145 | 639 |
^ '$Header: /cvs/stx/stx/libbasic/WeakArray.st,v 1.38 1997-01-11 12:13:33 cg Exp $' |
628 | 640 |
! ! |
603 | 641 |
WeakArray initialize! |