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

* 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

View file

@ -3,7 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use dom_struct::dom_struct;
use js::jsval::JSVal;
use js::rust::MutableHandleValue;
use crate::dom::bindings::codegen::Bindings::ResizeObserverEntryBinding::ResizeObserverEntryMethods;
use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, Reflector};
@ -90,32 +90,32 @@ impl ResizeObserverEntryMethods for ResizeObserverEntry {
}
/// <https://drafts.csswg.org/resize-observer/#dom-resizeobserverentry-borderboxsize>
fn BorderBoxSize(&self, cx: SafeJSContext) -> JSVal {
fn BorderBoxSize(&self, cx: SafeJSContext, retval: MutableHandleValue) {
let sizes: Vec<DomRoot<ResizeObserverSize>> = self
.border_box_size
.iter()
.map(|size| DomRoot::from_ref(&**size))
.collect();
to_frozen_array(sizes.as_slice(), cx)
to_frozen_array(sizes.as_slice(), cx, retval)
}
/// <https://drafts.csswg.org/resize-observer/#dom-resizeobserverentry-contentboxsize>
fn ContentBoxSize(&self, cx: SafeJSContext) -> JSVal {
fn ContentBoxSize(&self, cx: SafeJSContext, retval: MutableHandleValue) {
let sizes: Vec<DomRoot<ResizeObserverSize>> = self
.content_box_size
.iter()
.map(|size| DomRoot::from_ref(&**size))
.collect();
to_frozen_array(sizes.as_slice(), cx)
to_frozen_array(sizes.as_slice(), cx, retval);
}
/// <https://drafts.csswg.org/resize-observer/#dom-resizeobserverentry-devicepixelcontentboxsize>
fn DevicePixelContentBoxSize(&self, cx: SafeJSContext) -> JSVal {
fn DevicePixelContentBoxSize(&self, cx: SafeJSContext, retval: MutableHandleValue) {
let sizes: Vec<DomRoot<ResizeObserverSize>> = self
.device_pixel_content_box_size
.iter()
.map(|size| DomRoot::from_ref(&**size))
.collect();
to_frozen_array(sizes.as_slice(), cx)
to_frozen_array(sizes.as_slice(), cx, retval);
}
}