bfd354492e
With this change, we now have ~1200 CellAllocators across both LibJS and LibWeb in a normal WebContent instance. This gives us a minimum heap size of 4.7 MiB in the scenario where we only have one cell allocated per type. Of course, in practice there will be many more of each type, so the effective overhead is quite a bit smaller than that in practice. I left a few types unconverted to this mechanism because I got tired of doing this. :^)
51 lines
2.1 KiB
C++
51 lines
2.1 KiB
C++
/*
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* Copyright (c) 2022, Luke Wilde <lukew@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/FlyString.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#mutationrecord
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class MutationRecord : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(MutationRecord, Bindings::PlatformObject);
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JS_DECLARE_ALLOCATOR(MutationRecord);
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public:
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[[nodiscard]] static JS::NonnullGCPtr<MutationRecord> create(JS::Realm&, FlyString const& type, Node const& target, NodeList& added_nodes, NodeList& removed_nodes, Node* previous_sibling, Node* next_sibling, Optional<String> const& attribute_name, Optional<String> const& attribute_namespace, Optional<String> const& old_value);
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virtual ~MutationRecord() override;
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FlyString const& type() const { return m_type; }
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Node const* target() const { return m_target; }
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NodeList const* added_nodes() const { return m_added_nodes; }
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NodeList const* removed_nodes() const { return m_removed_nodes; }
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Node const* previous_sibling() const { return m_previous_sibling; }
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Node const* next_sibling() const { return m_next_sibling; }
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Optional<String> const& attribute_name() const { return m_attribute_name; }
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Optional<String> const& attribute_namespace() const { return m_attribute_namespace; }
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Optional<String> const& old_value() const { return m_old_value; }
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private:
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MutationRecord(JS::Realm& realm, FlyString const& type, Node const& target, NodeList& added_nodes, NodeList& removed_nodes, Node* previous_sibling, Node* next_sibling, Optional<String> const& attribute_name, Optional<String> const& attribute_namespace, Optional<String> const& old_value);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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FlyString m_type;
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JS::GCPtr<Node const> m_target;
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JS::GCPtr<NodeList> m_added_nodes;
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JS::GCPtr<NodeList> m_removed_nodes;
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JS::GCPtr<Node> m_previous_sibling;
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JS::GCPtr<Node> m_next_sibling;
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Optional<String> m_attribute_name;
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Optional<String> m_attribute_namespace;
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Optional<String> m_old_value;
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};
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}
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