Start marking functions that can transitively trigger a GC (#33144)

* Mark JS reflector wrappers as CanGc.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Propagate CanGc from reflect_dom_object_with_proto.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Mark DOM constructors as GC operations.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

1 files changed, 14 insertions, 1 deletions

diff --git a/components/script/dom/submitevent.rs b/components/script/dom/submitevent.rs
index 9f2f3dd6fc3..5f3ee07fca3 100644
--- a/components/script/dom/submitevent.rs
+++ b/components/script/dom/submitevent.rs
@@ -17,6 +17,7 @@ use crate::dom::event::Event;
 use crate::dom::globalscope::GlobalScope;
 use crate::dom::htmlelement::HTMLElement;
 use crate::dom::window::Window;
+use crate::script_runtime::CanGc;
 
 #[dom_struct]
 #[allow(non_snake_case)]
@@ -40,7 +41,15 @@ impl SubmitEvent {
         cancelable: bool,
         submitter: Option<DomRoot<HTMLElement>>,
     ) -> DomRoot<SubmitEvent> {
-        Self::new_with_proto(global, None, type_, bubbles, cancelable, submitter)
+        Self::new_with_proto(
+            global,
+            None,
+            type_,
+            bubbles,
+            cancelable,
+            submitter,
+            CanGc::note(),
+        )
     }
 
     fn new_with_proto(
@@ -50,11 +59,13 @@ impl SubmitEvent {
         bubbles: bool,
         cancelable: bool,
         submitter: Option<DomRoot<HTMLElement>>,
+        can_gc: CanGc,
     ) -> DomRoot<SubmitEvent> {
         let ev = reflect_dom_object_with_proto(
             Box::new(SubmitEvent::new_inherited(submitter)),
             global,
             proto,
+            can_gc,
         );
         {
             let event = ev.upcast::<Event>();
@@ -67,6 +78,7 @@ impl SubmitEvent {
     pub fn Constructor(
         window: &Window,
         proto: Option<HandleObject>,
+        can_gc: CanGc,
         type_: DOMString,
         init: &SubmitEventBinding::SubmitEventInit,
     ) -> DomRoot<SubmitEvent> {
@@ -77,6 +89,7 @@ impl SubmitEvent {
             init.parent.bubbles,
             init.parent.cancelable,
             init.submitter.as_ref().map(|s| DomRoot::from_ref(&**s)),
+            can_gc,
         )
     }
 }