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#pragma once
#include "BunBuiltinNames.h"
#include "root.h"
#include <JavaScriptCore/BuiltinUtils.h>
#include <JavaScriptCore/IsoSubspacePerVM.h>
#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
namespace Bun {
using namespace JSC;
enum class UseCustomHeapCellType { Yes,
No };
class JSHeapData {
WTF_MAKE_NONCOPYABLE(JSHeapData);
WTF_MAKE_FAST_ALLOCATED;
friend class JSVMClientData;
public:
JSHeapData(JSC::Heap&);
static JSHeapData* ensureHeapData(JSC::Heap&);
Lock& lock() { return m_lock; }
// ExtendedDOMIsoSubspaces& subspaces() { return *m_subspaces.get(); }
Vector<JSC::IsoSubspace*>& outputConstraintSpaces() { return m_outputConstraintSpaces; }
template<typename Func>
void forEachOutputConstraintSpace(const Func& func)
{
for (auto* space : m_outputConstraintSpaces)
func(*space);
}
JSC::IsoSubspace m_domNamespaceObjectSpace;
private:
Lock m_lock;
private:
// std::unique_ptr<ExtendedDOMIsoSubspaces> m_subspaces;
Vector<JSC::IsoSubspace*> m_outputConstraintSpaces;
};
class JSVMClientData : public JSC::VM::ClientData {
WTF_MAKE_NONCOPYABLE(JSVMClientData);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit JSVMClientData(JSC::VM&);
virtual ~JSVMClientData();
static void create(JSC::VM*);
JSHeapData& heapData() { return *m_heapData; }
BunBuiltinNames& builtinNames() { return m_builtinNames; }
// ExtendedDOMClientIsoSubspaces& clientSubspaces() { return *m_clientSubspaces.get(); }
// Vector<JSC::IsoSubspace *> &outputConstraintSpaces() { return m_outputConstraintSpaces; }
// template<typename Func> void forEachOutputConstraintSpace(const Func& func)
// {
// for (auto* space : m_outputConstraintSpaces)
// func(*space);
// }
private:
BunBuiltinNames m_builtinNames;
JSHeapData* m_heapData;
// Vector<JSC::IsoSubspace *> m_outputConstraintSpaces;
};
template<typename T, UseCustomHeapCellType useCustomHeapCellType, typename GetClient, typename SetClient, typename GetServer, typename SetServer>
ALWAYS_INLINE JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm, GetClient getClient, SetClient setClient, GetServer getServer, SetServer setServer, JSC::HeapCellType& (*getCustomHeapCellType)(JSHeapData&) = nullptr)
{
static NeverDestroyed<JSC::IsoSubspacePerVM> perVM([](JSC::Heap& heap) {
return ISO_SUBSPACE_PARAMETERS(heap.destructibleObjectHeapCellType, T);
});
return &perVM.get().clientIsoSubspaceforVM(vm);
}
static JSVMClientData* clientData(JSC::VM& vm)
{
return static_cast<Bun::JSVMClientData*>(vm.clientData);
}
} // namespace Bun
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