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. :^)
90 lines
3.6 KiB
C++
90 lines
3.6 KiB
C++
/*
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* Copyright (c) 2022, 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/URL.h>
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#include <AK/WeakPtr.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/PolicyContainers.h>
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#include <LibWeb/HTML/StructuredSerialize.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/history.html#scroll-restoration-mode
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enum class ScrollRestorationMode {
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// https://html.spec.whatwg.org/multipage/history.html#dom-scrollrestoration-auto
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// The user agent is responsible for restoring the scroll position upon navigation.
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Auto,
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// https://html.spec.whatwg.org/multipage/history.html#dom-scrollrestoration-manual
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// The page is responsible for restoring the scroll position and the user agent does not attempt to do so automatically.
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Manual,
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};
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// https://html.spec.whatwg.org/multipage/history.html#session-history-entry
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struct SessionHistoryEntry final : public JS::Cell {
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JS_CELL(SessionHistoryEntry, JS::Cell);
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JS_DECLARE_ALLOCATOR(SessionHistoryEntry);
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SessionHistoryEntry();
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void visit_edges(Cell::Visitor&) override;
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enum class Pending {
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Tag,
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};
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-step
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// step, a non-negative integer or "pending", initially "pending".
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Variant<int, Pending> step { Pending::Tag };
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-url
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// URL, a URL
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AK::URL url;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-document-state
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JS::GCPtr<HTML::DocumentState> document_state;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-classic-history-api-state
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// classic history API state, which is serialized state, initially StructuredSerializeForStorage(null).
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SerializationRecord classic_history_api_state;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-navigation-api-state
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// navigation API state, which is a serialized state, initially StructuredSerializeForStorage(undefined).
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SerializationRecord navigation_api_state;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-navigation-api-key
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// navigation API key, which is a string, initially set to the result of generating a random UUID.
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String navigation_api_key;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-navigation-api-id
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// navigation API ID, which is a string, initially set to the result of generating a random UUID.
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String navigation_api_id;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-scroll-restoration-mode
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// scroll restoration mode, a scroll restoration mode, initially "auto"
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ScrollRestorationMode scroll_restoration_mode { ScrollRestorationMode::Auto };
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// policy container, a policy container or null
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Optional<PolicyContainer> policy_container;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-scroll-position
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// FIXME: scroll position data, which is scroll position data for the document's restorable scrollable regions
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// browsing context name, a browsing context name or null, initially null
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Optional<DeprecatedString> browsing_context_name;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#she-other
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// FIXME: persisted user state, which is implementation-defined, initially null
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// NOTE: This is where we could remember the state of form controls, for example.
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JS::GCPtr<BrowsingContext> original_source_browsing_context;
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};
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}
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