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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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7
components/script/dom/intersectionobserver.rs
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@ -5,8 +5,7 @@
use std::rc::Rc;
use dom_struct::dom_struct;
use js::jsval::{JSVal, NullValue};
use js::rust::HandleObject;
use js::rust::{HandleObject, MutableHandleValue};
use super::bindings::codegen::Bindings::IntersectionObserverBinding::{
IntersectionObserverCallback, IntersectionObserverMethods,
@ -93,9 +92,7 @@ impl IntersectionObserverMethods for IntersectionObserver {
/// > constructor, or the sequence is empty, the value of this attribute will be [0].
///
/// <https://w3c.github.io/IntersectionObserver/#dom-intersectionobserver-thresholds>
fn Thresholds(&self, _context: JSContext) -> JSVal {
NullValue()
}
fn Thresholds(&self, _context: JSContext, _retval: MutableHandleValue) {}
/// > A number indicating the minimum delay in milliseconds between notifications from
/// > this observer for a given target.