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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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31
Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
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@@ -5,6 +5,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/HTMLTableElementPrototype.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/DOM/ElementFactory.h>
#include <LibWeb/DOM/HTMLCollection.h>
@@ -12,6 +13,7 @@
#include <LibWeb/HTML/HTMLTableElement.h>
#include <LibWeb/HTML/HTMLTableRowElement.h>
#include <LibWeb/HTML/Parser/HTMLParser.h>
#include <LibWeb/HTML/Window.h>
#include <LibWeb/Namespace.h>
namespace Web::HTML {
@@ -19,6 +21,7 @@ namespace Web::HTML {
HTMLTableElement::HTMLTableElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
{
set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableElementPrototype>("HTMLTableElement"));
}
HTMLTableElement::~HTMLTableElement() = default;
@@ -45,7 +48,7 @@ void HTMLTableElement::apply_presentational_hints(CSS::StyleProperties& style) c
});
}
RefPtr<HTMLTableCaptionElement> HTMLTableElement::caption()
JS::GCPtr<HTMLTableCaptionElement> HTMLTableElement::caption()
{
return first_child_of_type<HTMLTableCaptionElement>();
}
@@ -62,7 +65,7 @@ void HTMLTableElement::set_caption(HTMLTableCaptionElement* caption)
pre_insert(*caption, first_child());
}
NonnullRefPtr<HTMLTableCaptionElement> HTMLTableElement::create_caption()
JS::NonnullGCPtr<HTMLTableCaptionElement> HTMLTableElement::create_caption()
{
auto maybe_caption = caption();
if (maybe_caption) {
@@ -71,7 +74,7 @@ NonnullRefPtr<HTMLTableCaptionElement> HTMLTableElement::create_caption()
auto caption = DOM::create_element(document(), TagNames::caption, Namespace::HTML);
pre_insert(caption, first_child());
return static_ptr_cast<HTMLTableCaptionElement>(caption);
return static_cast<HTMLTableCaptionElement&>(*caption);
}
void HTMLTableElement::delete_caption()
@@ -82,7 +85,7 @@ void HTMLTableElement::delete_caption()
}
}
RefPtr<HTMLTableSectionElement> HTMLTableElement::t_head()
JS::GCPtr<HTMLTableSectionElement> HTMLTableElement::t_head()
{
for (auto* child = first_child(); child; child = child->next_sibling()) {
if (is<HTMLTableSectionElement>(*child)) {
@@ -130,7 +133,7 @@ DOM::ExceptionOr<void> HTMLTableElement::set_t_head(HTMLTableSectionElement* the
return {};
}
NonnullRefPtr<HTMLTableSectionElement> HTMLTableElement::create_t_head()
JS::NonnullGCPtr<HTMLTableSectionElement> HTMLTableElement::create_t_head()
{
auto maybe_thead = t_head();
if (maybe_thead)
@@ -158,7 +161,7 @@ NonnullRefPtr<HTMLTableSectionElement> HTMLTableElement::create_t_head()
pre_insert(thead, child_to_append_after);
return static_ptr_cast<HTMLTableSectionElement>(thead);
return static_cast<HTMLTableSectionElement&>(*thead);
}
void HTMLTableElement::delete_t_head()
@@ -169,7 +172,7 @@ void HTMLTableElement::delete_t_head()
}
}
RefPtr<HTMLTableSectionElement> HTMLTableElement::t_foot()
JS::GCPtr<HTMLTableSectionElement> HTMLTableElement::t_foot()
{
for (auto* child = first_child(); child; child = child->next_sibling()) {
if (is<HTMLTableSectionElement>(*child)) {
@@ -200,7 +203,7 @@ DOM::ExceptionOr<void> HTMLTableElement::set_t_foot(HTMLTableSectionElement* tfo
return {};
}
NonnullRefPtr<HTMLTableSectionElement> HTMLTableElement::create_t_foot()
JS::NonnullGCPtr<HTMLTableSectionElement> HTMLTableElement::create_t_foot()
{
auto maybe_tfoot = t_foot();
if (maybe_tfoot)
@@ -208,7 +211,7 @@ NonnullRefPtr<HTMLTableSectionElement> HTMLTableElement::create_t_foot()
auto tfoot = DOM::create_element(document(), TagNames::tfoot, Namespace::HTML);
append_child(tfoot);
return static_ptr_cast<HTMLTableSectionElement>(tfoot);
return static_cast<HTMLTableSectionElement&>(*tfoot);
}
void HTMLTableElement::delete_t_foot()
@@ -226,7 +229,7 @@ NonnullRefPtr<DOM::HTMLCollection> HTMLTableElement::t_bodies()
});
}
NonnullRefPtr<HTMLTableSectionElement> HTMLTableElement::create_t_body()
JS::NonnullGCPtr<HTMLTableSectionElement> HTMLTableElement::create_t_body()
{
auto tbody = DOM::create_element(document(), TagNames::tbody, Namespace::HTML);
@@ -247,7 +250,7 @@ NonnullRefPtr<HTMLTableSectionElement> HTMLTableElement::create_t_body()
pre_insert(tbody, child_to_append_after);
return static_ptr_cast<HTMLTableSectionElement>(tbody);
return static_cast<HTMLTableSectionElement&>(*tbody);
}
NonnullRefPtr<DOM::HTMLCollection> HTMLTableElement::rows()
@@ -278,7 +281,7 @@ NonnullRefPtr<DOM::HTMLCollection> HTMLTableElement::rows()
});
}
DOM::ExceptionOr<NonnullRefPtr<HTMLTableRowElement>> HTMLTableElement::insert_row(long index)
DOM::ExceptionOr<JS::NonnullGCPtr<HTMLTableRowElement>> HTMLTableElement::insert_row(long index)
{
auto rows = this->rows();
auto rows_length = rows->length();
@@ -286,7 +289,7 @@ DOM::ExceptionOr<NonnullRefPtr<HTMLTableRowElement>> HTMLTableElement::insert_ro
if (index < -1 || index > (long)rows_length) {
return DOM::IndexSizeError::create("Index is negative or greater than the number of rows");
}
auto tr = static_ptr_cast<HTMLTableRowElement>(DOM::create_element(document(), TagNames::tr, Namespace::HTML));
auto& tr = static_cast<HTMLTableRowElement&>(*DOM::create_element(document(), TagNames::tr, Namespace::HTML));
if (rows_length == 0 && !has_child_of_type<HTMLTableRowElement>()) {
auto tbody = DOM::create_element(document(), TagNames::tbody, Namespace::HTML);
tbody->append_child(tr);
@@ -300,7 +303,7 @@ DOM::ExceptionOr<NonnullRefPtr<HTMLTableRowElement>> HTMLTableElement::insert_ro
} else {
rows->item(index)->parent_element()->insert_before(tr, rows->item(index));
}
return tr;
return JS::NonnullGCPtr(tr);
}
// https://html.spec.whatwg.org/multipage/tables.html#dom-table-deleterow