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c2988a7dd5
Instead, smuggle it in as a `void*` private data and let Javascript aware code cast out that pointer to a VM&. In order to make this split, rename JS::Cell to JS::CellImpl. Once we have a LibGC, this will become GC::Cell. CellImpl then has no specific knowledge of the VM& and Realm&. That knowledge is instead put into JS::Cell, which inherits from CellImpl. JS::Cell is responsible for JavaScript's realm initialization, as well as converting of the void* private data to what it knows should be the VM&.
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Function.h>
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#include <LibJS/Heap/CellImpl.h>
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#include <LibJS/Heap/Heap.h>
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namespace JS {
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template<typename T>
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class HeapFunction final : public CellImpl {
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JS_CELL(HeapFunction, CellImpl);
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public:
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static NonnullGCPtr<HeapFunction> create(Heap& heap, Function<T> function)
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{
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return heap.allocate<HeapFunction>(move(function));
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}
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virtual ~HeapFunction() override = default;
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[[nodiscard]] Function<T> const& function() const { return m_function; }
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private:
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HeapFunction(Function<T> function)
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: m_function(move(function))
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{
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}
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virtual void visit_edges(Visitor& visitor) override
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{
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Base::visit_edges(visitor);
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visitor.visit_possible_values(m_function.raw_capture_range());
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}
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Function<T> m_function;
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};
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template<typename Callable, typename T = EquivalentFunctionType<Callable>>
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static NonnullGCPtr<HeapFunction<T>> create_heap_function(Heap& heap, Callable&& function)
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{
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return HeapFunction<T>::create(heap, Function<T> { forward<Callable>(function) });
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}
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}
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