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Issue #2083 - Part 1: Make RegExpShared a GC thing.

Browse source 
Based on Mozilla bug 1345177.
Changes from the original bug's patch:

- We don't have JS::CurrentThreadIsHeapCollecting, so let's use
  trc->runtime()->isHeapCollecting() instead.
- Mozilla bug 1337117 renamed runtimeFromMainThread to
  runtimeFromActiveCooperatingThread for Firefox 54, so let's use the former
This commit is contained in:
Job Bautista 2023-01-26 15:02:09 +08:00 • committed by roytam1
commit 3796c7c1e1
29 changed files with 384 additions and 412 deletions
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10
js/src/gc/Marking.cpp
View file

@ -436,6 +436,14 @@ js::TraceNullableEdge(JSTracer* trc, WriteBarrieredBase<T>* thingp, const char*
DispatchToTracer(trc, ConvertToBase(thingp->unsafeUnbarrieredForTracing()), name);
}
template <typename T>
void
js::TraceNullableEdge(JSTracer* trc, ReadBarriered<T>* thingp, const char* name)
{
if (InternalBarrierMethods<T>::isMarkable(thingp->unbarrieredGet()))
DispatchToTracer(trc, ConvertToBase(thingp->unsafeGet()), name);
}
template <typename T>
JS_PUBLIC_API(void)
JS::TraceEdge(JSTracer* trc, JS::Heap<T>* thingp, const char* name)
@ -550,6 +558,7 @@ js::TraceRootRange(JSTracer* trc, size_t len, T* vec, const char* name)
template void js::TraceEdge<type>(JSTracer*, WriteBarrieredBase<type>*, const char*); \
template void js::TraceEdge<type>(JSTracer*, ReadBarriered<type>*, const char*); \
template void js::TraceNullableEdge<type>(JSTracer*, WriteBarrieredBase<type>*, const char*); \
template void js::TraceNullableEdge<type>(JSTracer*, ReadBarriered<type>*, const char*); \
template void js::TraceManuallyBarrieredEdge<type>(JSTracer*, type*, const char*); \
template void js::TraceWeakEdge<type>(JSTracer*, WeakRef<type>*, const char*); \
template void js::TraceRoot<type>(JSTracer*, type*, const char*); \
@ -866,6 +875,7 @@ js::GCMarker::markAndTraceChildren(T* thing)
namespace js {
template <> void GCMarker::traverse(BaseShape* thing) { markAndTraceChildren(thing); }
template <> void GCMarker::traverse(JS::Symbol* thing) { markAndTraceChildren(thing); }
template <> void GCMarker::traverse(RegExpShared* thing) { markAndTraceChildren(thing); }
} // namespace js
// Strings, LazyScripts, Shapes, and Scopes are extremely common, but have