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https://github.com/RGBCube/serenity
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469aea5a5b
This change introduces HeapFunction, which is intended to be used as a replacement for SafeFunction. The new type behaves like a regular GC-allocated object, which means it needs to be visited from visit_edges, and unlike SafeFunction, it does not create new roots for captured parameters. Co-Authored-By: Andreas Kling <kling@serenityos.org>
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.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/Cell.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 JS::Cell {
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JS_CELL(HeapFunction, Cell);
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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_without_realm<HeapFunction>(move(function));
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}
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virtual ~HeapFunction() override = default;
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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 T>
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static NonnullGCPtr<HeapFunction<T>> create_heap_function(Heap& heap, Function<T> function)
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{
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return HeapFunction<T>::create(heap, move(function));
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}
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}
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