mirror of
				https://github.com/LadybirdBrowser/ladybird.git
				synced 2025-10-24 17:09:43 +00:00 
			
		
		
		
	This lets us avoid false positives when a GCPtr-wrapped member is only a weak reference which is automatically updated by the GC when the member's gc state is updated.
		
			
				
	
	
		
			38 lines
		
	
	
	
		
			894 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
	
		
			894 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
 | |
|  *
 | |
|  * SPDX-License-Identifier: BSD-2-Clause
 | |
|  */
 | |
| 
 | |
| #pragma once
 | |
| 
 | |
| #include <AK/HashTable.h>
 | |
| #include <LibJS/Runtime/GlobalObject.h>
 | |
| #include <LibJS/Runtime/Object.h>
 | |
| #include <LibJS/Runtime/WeakContainer.h>
 | |
| 
 | |
| namespace JS {
 | |
| 
 | |
| class WeakSet final
 | |
|     : public Object
 | |
|     , public WeakContainer {
 | |
|     JS_OBJECT(WeakSet, Object);
 | |
|     JS_DECLARE_ALLOCATOR(WeakSet);
 | |
| 
 | |
| public:
 | |
|     static NonnullGCPtr<WeakSet> create(Realm&);
 | |
| 
 | |
|     virtual ~WeakSet() override = default;
 | |
| 
 | |
|     HashTable<GCPtr<Cell>> const& values() const { return m_values; }
 | |
|     HashTable<GCPtr<Cell>>& values() { return m_values; }
 | |
| 
 | |
|     virtual void remove_dead_cells(Badge<Heap>) override;
 | |
| 
 | |
| private:
 | |
|     explicit WeakSet(Object& prototype);
 | |
| 
 | |
|     HashTable<RawGCPtr<Cell>> m_values; // This stores Cell pointers instead of Object pointers to aide with sweeping
 | |
| };
 | |
| 
 | |
| }
 |