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Use out parameter for generated methods returning JSVal (#34087)

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* Make generated bindings that return a WebIDL `any` value use out parameters.

Returning raw JSVal values makes it easier to create GC hazards in code
that calls these methods. Accepting a MutableHandle argument instead
ensures that the values are rooted by the caller.

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

* Update mozjs.

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

* Fix clippy warnings.

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

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2024-11-05 03:29:08 -05:00 • committed by GitHub
parent 537958a3cc
commit 25a0764a37
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38 changed files with 763 additions and 515 deletions
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6
components/script/dom/xrrenderstate.rs
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@ -5,7 +5,7 @@
use std::cell::Cell;
use dom_struct::dom_struct;
use js::jsval::JSVal;
use js::rust::MutableHandleValue;
use webxr_api::SubImages;
use crate::dom::bindings::cell::DomRefCell;
@ -146,10 +146,10 @@ impl XRRenderStateMethods for XRRenderState {
}
/// <https://immersive-web.github.io/layers/#dom-xrrenderstate-layers>
fn Layers(&self, cx: JSContext) -> JSVal {
fn Layers(&self, cx: JSContext, retval: MutableHandleValue) {
// TODO: cache this array?
let layers = self.layers.borrow();
let layers: Vec<&XRLayer> = layers.iter().map(|x| &**x).collect();
to_frozen_array(&layers[..], cx)
to_frozen_array(&layers[..], cx, retval)
}
}