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Bug 888999 - Remove mObject null checks in the cycle collector. r=smaug

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This commit is contained in:
Andrew McCreight 2013-07-18 09:07:28 -07:00
parent ec02451077
commit 86a55fce6e
1 changed files with 16 additions and 16 deletions
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32
xpcom/base/nsCycleCollector.cpp
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@ -867,10 +867,10 @@ struct SelectPointersVisitor
void
Visit(nsPurpleBuffer &aBuffer, nsPurpleBufferEntry *aEntry)
{
MOZ_ASSERT(!(aEntry->mObject && !aEntry->mRefCnt->get()),
MOZ_ASSERT(aEntry->mObject, "Null object in purple buffer");
MOZ_ASSERT(aEntry->mRefCnt->get() != 0,
"SelectPointersVisitor: snow-white object in the purple buffer");
if (!aEntry->mObject ||
!aEntry->mRefCnt->IsPurple() ||
if (!aEntry->mRefCnt->IsPurple() ||
AddPurpleRoot(mBuilder, aEntry->mObject, aEntry->mParticipant)) {
aBuffer.Remove(aEntry);
}
@ -2176,7 +2176,8 @@ public:
void
Visit(nsPurpleBuffer& aBuffer, nsPurpleBufferEntry* aEntry)
{
if (aEntry->mObject && !aEntry->mRefCnt->get()) {
MOZ_ASSERT(aEntry->mObject, "Null object in purple buffer");
if (!aEntry->mRefCnt->get()) {
void *o = aEntry->mObject;
nsCycleCollectionParticipant *cp = aEntry->mParticipant;
CanonicalizeParticipant(&o, &cp);
@ -2216,18 +2217,17 @@ public:
void
Visit(nsPurpleBuffer &aBuffer, nsPurpleBufferEntry *aEntry)
{
if (aEntry->mObject) {
if (!aEntry->mRefCnt->get()) {
SnowWhiteKiller::Visit(aBuffer, aEntry);
return;
}
void *o = aEntry->mObject;
nsCycleCollectionParticipant *cp = aEntry->mParticipant;
CanonicalizeParticipant(&o, &cp);
if (aEntry->mRefCnt->IsPurple() && !cp->CanSkip(o, false) &&
(!mRemoveChildlessNodes || MayHaveChild(o, cp))) {
return;
}
MOZ_ASSERT(aEntry->mObject, "null mObject in purple buffer");
if (!aEntry->mRefCnt->get()) {
SnowWhiteKiller::Visit(aBuffer, aEntry);
return;
}
void *o = aEntry->mObject;
nsCycleCollectionParticipant *cp = aEntry->mParticipant;
CanonicalizeParticipant(&o, &cp);
if (aEntry->mRefCnt->IsPurple() && !cp->CanSkip(o, false) &&
(!mRemoveChildlessNodes || MayHaveChild(o, cp))) {
return;
}
aBuffer.Remove(aEntry);
}