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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, 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/IntrusiveList.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/Vector.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Heap/HeapBlock.h>
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namespace JS {
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class Allocator {
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public:
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Allocator(size_t cell_size);
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~Allocator();
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size_t cell_size() const { return m_cell_size; }
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Cell* allocate_cell(Heap&);
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template<typename Callback>
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IterationDecision for_each_block(Callback callback)
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{
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for (auto& block : m_full_blocks) {
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if (callback(block) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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for (auto& block : m_usable_blocks) {
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if (callback(block) == IterationDecision::Break)
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return IterationDecision::Break;
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}
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return IterationDecision::Continue;
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}
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void block_did_become_empty(Badge<Heap>, HeapBlock&);
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void block_did_become_usable(Badge<Heap>, HeapBlock&);
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private:
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const size_t m_cell_size;
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typedef IntrusiveList<HeapBlock, RawPtr<HeapBlock>, &HeapBlock::m_list_node> BlockList;
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BlockList m_full_blocks;
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BlockList m_usable_blocks;
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};
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}
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