[bun.js] begin the webkit-ing

1 files changed, 27 insertions, 1 deletions

diff --git a/src/javascript/jsc/bindings/BunClientData.cpp b/src/javascript/jsc/bindings/BunClientData.cpp
index 21db7cb7f..0bda7dd69 100644
--- a/src/javascript/jsc/bindings/BunClientData.cpp
+++ b/src/javascript/jsc/bindings/BunClientData.cpp
@@ -2,6 +2,7 @@
 #include "BunClientData.h"
 #include "root.h"
 
+#include "JSDOMURL.h"
 #include <JavaScriptCore/FastMallocAlignedMemoryAllocator.h>
 #include <JavaScriptCore/HeapInlines.h>
 #include <JavaScriptCore/IsoHeapCellType.h>
@@ -15,10 +16,35 @@
 
 namespace Bun {
 using namespace JSC;
+using namespace WebCore;
+
+class ExtendedDOMClientIsoSubspaces;
+class ExtendedDOMIsoSubspaces;
+
+#define CLIENT_ISO_SUBSPACE_INIT(subspace) subspace(m_heapData->subspace)
+JSHeapData::JSHeapData(Heap& heap)
+    : m_domNamespaceObjectSpace ISO_SUBSPACE_INIT(heap, heap.cellHeapCellType, JSDOMObject)
+
+{
+}
 
 JSVMClientData::JSVMClientData(VM& vm)
     : m_builtinNames(vm)
+    , m_heapData(JSHeapData::ensureHeapData(vm.heap))
+{
+}
+
+JSHeapData* JSHeapData::ensureHeapData(Heap& heap)
 {
+    if (!Options::useGlobalGC())
+        return new JSHeapData(heap);
+
+    static JSHeapData* singleton = nullptr;
+    static std::once_flag onceFlag;
+    std::call_once(onceFlag, [&] {
+        singleton = new JSHeapData(heap);
+    });
+    return singleton;
 }
 
 JSVMClientData::~JSVMClientData() {}
@@ -28,7 +54,7 @@ void JSVMClientData::create(VM* vm)
     JSVMClientData* clientData = new JSVMClientData(*vm);
     vm->clientData = clientData; // ~VM deletes this pointer.
 
-    //   vm->heap.addMarkingConstraint(makeUnique<BunGCOutputConstraint>(*vm, *clientData));
+    // vm->heap.addMarkingConstraint(makeUnique<BunGCOutputConstraint>(*vm, *clientData));
 
     //   vm->m_typedArrayController = adoptRef(new WebCoreTypedArrayController(
     //     type == WorkerThreadType::DedicatedWorker || type == WorkerThreadType::Worklet));