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LibJS: Add the WeakRef built-in object

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This commit is contained in:
Idan Horowitz 2021-06-12 17:38:34 +03:00 • committed by Linus Groh
parent 6913f06b6f
commit 7eba63a8a3
12 changed files with 268 additions and 1 deletions
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12
Userland/Libraries/LibJS/Runtime/WeakContainer.h
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@ -19,12 +19,22 @@ public:
}
virtual ~WeakContainer()
{
m_heap.did_destroy_weak_container({}, *this);
deregister();
}
virtual void remove_sweeped_cells(Badge<Heap>, Vector<Cell*>&) = 0;
protected:
void deregister()
{
if (!m_registered)
return;
m_heap.did_destroy_weak_container({}, *this);
m_registered = false;
}
private:
bool m_registered { true };
Heap& m_heap;
};