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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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12
Userland/Libraries/LibWeb/Bindings/CrossOriginAbstractOperations.cpp
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@ -17,14 +17,14 @@
#include <LibWeb/Bindings/DOMExceptionWrapper.h>
#include <LibWeb/Bindings/LocationObject.h>
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/DOM/DOMException.h>
#include <LibWeb/HTML/Scripting/Environments.h>
#include <LibWeb/HTML/Window.h>
namespace Web::Bindings {
// 7.2.3.1 CrossOriginProperties ( O ), https://html.spec.whatwg.org/multipage/browsers.html#crossoriginproperties-(-o-)
Vector<CrossOriginProperty> cross_origin_properties(Variant<LocationObject const*, WindowObject const*> const& object)
Vector<CrossOriginProperty> cross_origin_properties(Variant<LocationObject const*, HTML::Window const*> const& object)
{
// 1. Assert: O is a Location or Window object.
@ -37,7 +37,7 @@ Vector<CrossOriginProperty> cross_origin_properties(Variant<LocationObject const
};
},
// 3. Return « { [[Property]]: "window", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "self", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "location", [[NeedsGet]]: true, [[NeedsSet]]: true }, { [[Property]]: "close" }, { [[Property]]: "closed", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "focus" }, { [[Property]]: "blur" }, { [[Property]]: "frames", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "length", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "top", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "opener", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "parent", [[NeedsGet]]: true, [[NeedsSet]]: false }, { [[Property]]: "postMessage" } ».
[](WindowObject const*) -> Vector<CrossOriginProperty> {
[](HTML::Window const*) -> Vector<CrossOriginProperty> {
return {
{ .property = "window"sv, .needs_get = true, .needs_set = false },
{ .property = "self"sv, .needs_get = true, .needs_set = false },
@ -90,11 +90,11 @@ bool is_platform_object_same_origin(JS::Object const& object)
}
// 7.2.3.4 CrossOriginGetOwnPropertyHelper ( O, P ), https://html.spec.whatwg.org/multipage/browsers.html#crossorigingetownpropertyhelper-(-o,-p-)
Optional<JS::PropertyDescriptor> cross_origin_get_own_property_helper(Variant<LocationObject*, WindowObject*> const& object, JS::PropertyKey const& property_key)
Optional<JS::PropertyDescriptor> cross_origin_get_own_property_helper(Variant<LocationObject*, HTML::Window*> const& object, JS::PropertyKey const& property_key)
{
auto& realm = *main_thread_vm().current_realm();
auto const* object_ptr = object.visit([](auto* o) { return static_cast<JS::Object const*>(o); });
auto const object_const_variant = object.visit([](auto* o) { return Variant<LocationObject const*, WindowObject const*> { o }; });
auto const object_const_variant = object.visit([](auto* o) { return Variant<LocationObject const*, HTML::Window const*> { o }; });
// 1. Let crossOriginKey be a tuple consisting of the current settings object, O's relevant settings object, and P.
auto cross_origin_key = CrossOriginKey {
@ -227,7 +227,7 @@ JS::ThrowCompletionOr<bool> cross_origin_set(JS::VM& vm, JS::Object& object, JS:
}
// 7.2.3.7 CrossOriginOwnPropertyKeys ( O ), https://html.spec.whatwg.org/multipage/browsers.html#crossoriginownpropertykeys-(-o-)
JS::MarkedVector<JS::Value> cross_origin_own_property_keys(Variant<LocationObject const*, WindowObject const*> const& object)
JS::MarkedVector<JS::Value> cross_origin_own_property_keys(Variant<LocationObject const*, HTML::Window const*> const& object)
{
auto& event_loop = HTML::main_thread_event_loop();
auto& vm = event_loop.vm();