static JSDHashOperator
WrappedNativeJSGCThingTracer(JSDHashTable *table, JSDHashEntryHdr *hdr,
uint32_t number, void *arg)
{
XPCWrappedNative* wrapper = ((Native2WrappedNativeMap::Entry*)hdr)->value;
if (wrapper->HasExternalReference() && !wrapper->IsWrapperExpired())
wrapper->TraceSelf((JSTracer *)arg);
return JS_DHASH_NEXT;
}
static JSDHashOperator
WrappedNativeJSGCThingTracer(JSDHashTable *table, JSDHashEntryHdr *hdr,
uint32_t number, void *arg)
{
XPCWrappedNative* wrapper = ((Native2WrappedNativeMap::Entry*)hdr)->value;
if (wrapper->HasExternalReference() && !wrapper->IsWrapperExpired()) {
JSTracer* trc = (JSTracer *)arg;
JS_CALL_OBJECT_TRACER(trc, wrapper->GetFlatJSObjectPreserveColor(),
"XPCWrappedNative::mFlatJSObject");
}
return JS_DHASH_NEXT;
}
static PLDHashOperator
MoveableWrapperFinder(PLDHashTable *table, PLDHashEntryHdr *hdr,
uint32_t number, void *arg)
{
nsTArray<nsRefPtr<XPCWrappedNative> > *array =
static_cast<nsTArray<nsRefPtr<XPCWrappedNative> > *>(arg);
XPCWrappedNative *wn = ((Native2WrappedNativeMap::Entry*)hdr)->value;
// If a wrapper is expired, then there are no references to it from JS, so
// we don't have to move it.
if (!wn->IsWrapperExpired())
array->AppendElement(wn);
return PL_DHASH_NEXT;
}
// static
void
XPCWrappedNativeScope::TraceWrappedNativesInAllScopes(JSTracer* trc, XPCJSRuntime* rt)
{
// Do JS_CallTracer for all wrapped natives with external references, as
// well as any DOM expando objects.
for (XPCWrappedNativeScope* cur = gScopes; cur; cur = cur->mNext) {
for (auto i = cur->mWrappedNativeMap->Iter(); !i.Done(); i.Next()) {
auto entry = static_cast<Native2WrappedNativeMap::Entry*>(i.Get());
XPCWrappedNative* wrapper = entry->value;
if (wrapper->HasExternalReference() && !wrapper->IsWrapperExpired())
wrapper->TraceSelf(trc);
}
if (cur->mDOMExpandoSet) {
for (DOMExpandoSet::Enum e(*cur->mDOMExpandoSet); !e.empty(); e.popFront())
JS_CallHashSetObjectTracer(trc, e, e.front(), "DOM expando object");
}
}
}
