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

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* 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>
This commit is contained in:
Josh Matthews 2024-08-22 07:42:36 -04:00 • committed by GitHub
parent 9a1051c917
commit 60ef6bc461
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140 changed files with 1336 additions and 304 deletions
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7
components/script/dom/offscreencanvas.rs
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@ -23,7 +23,7 @@ use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::htmlcanvaselement::HTMLCanvasElement;
use crate::dom::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D;
use crate::script_runtime::JSContext;
use crate::script_runtime::{CanGc, JSContext};
#[crown::unrooted_must_root_lint::must_root]
#[derive(Clone, JSTraceable, MallocSizeOf)]
@ -63,11 +63,13 @@ impl OffscreenCanvas {
width: u64,
height: u64,
placeholder: Option<&HTMLCanvasElement>,
can_gc: CanGc,
) -> DomRoot<OffscreenCanvas> {
reflect_dom_object_with_proto(
Box::new(OffscreenCanvas::new_inherited(width, height, placeholder)),
global,
proto,
can_gc,
)
}
@ -75,10 +77,11 @@ impl OffscreenCanvas {
pub fn Constructor(
global: &GlobalScope,
proto: Option<HandleObject>,
can_gc: CanGc,
width: u64,
height: u64,
) -> Fallible<DomRoot<OffscreenCanvas>> {
let offscreencanvas = OffscreenCanvas::new(global, proto, width, height, None);
let offscreencanvas = OffscreenCanvas::new(global, proto, width, height, None, can_gc);
Ok(offscreencanvas)
}