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LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated

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This is a monster patch that turns all EventTargets into GC-allocated
PlatformObjects. Their C++ wrapper classes are removed, and the LibJS
garbage collector is now responsible for their lifetimes.

There's a fair amount of hacks and band-aids in this patch, and we'll
have a lot of cleanup to do after this.
This commit is contained in:
Andreas Kling 2022-08-28 13:42:07 +02:00
parent bb547ce1c4
commit 6f433c8656
445 changed files with 4797 additions and 4268 deletions
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16
Userland/Libraries/LibWeb/HTML/DOMStringMap.cpp
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@ -6,27 +6,33 @@
#include <AK/CharacterTypes.h>
#include <LibWeb/Bindings/DOMStringMapPrototype.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/HTML/DOMStringMap.h>
#include <LibWeb/HTML/Window.h>
namespace Web::HTML {
DOMStringMap* DOMStringMap::create(DOM::Element& element)
JS::NonnullGCPtr<DOMStringMap> DOMStringMap::create(DOM::Element& element)
{
auto& realm = element.document().preferred_window_object().realm();
return realm.heap().allocate<DOMStringMap>(realm, element);
auto& realm = element.document().window().realm();
return *realm.heap().allocate<DOMStringMap>(realm, element);
}
DOMStringMap::DOMStringMap(DOM::Element& element)
: PlatformObject(element.document().preferred_window_object().ensure_web_prototype<Bindings::DOMStringMapPrototype>("DOMStringMap"))
: PlatformObject(element.document().window().ensure_web_prototype<Bindings::DOMStringMapPrototype>("DOMStringMap"))
, m_associated_element(element)
{
}
DOMStringMap::~DOMStringMap() = default;
void DOMStringMap::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_associated_element.ptr());
}
// https://html.spec.whatwg.org/multipage/dom.html#concept-domstringmap-pairs
Vector<DOMStringMap::NameValuePair> DOMStringMap::get_name_value_pairs() const
{