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script: Feature-gate all crown support. (#35055)

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* script: Feature-gate all crown support.

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

* script: Use cfg(crown) instead of a cargo feature.

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

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2025-01-18 16:36:15 -05:00 • committed by GitHub
parent 1bd34a5781
commit 875e387004
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223 changed files with 442 additions and 417 deletions
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10
components/script/dom/bindings/weakref.rs
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@ -33,14 +33,14 @@ use crate::dom::bindings::trace::JSTraceable;
pub(crate) const DOM_WEAK_SLOT: u32 = 1;
/// A weak reference to a JS-managed DOM object.
#[allow(crown::unrooted_must_root)]
#[crown::unrooted_must_root_lint::allow_unrooted_interior]
#[cfg_attr(crown, allow(crown::unrooted_must_root))]
#[cfg_attr(crown, crown::unrooted_must_root_lint::allow_unrooted_interior)]
pub(crate) struct WeakRef<T: WeakReferenceable> {
ptr: ptr::NonNull<WeakBox<T>>,
}
/// The inner box of weak references, public for the finalization in codegen.
#[crown::unrooted_must_root_lint::must_root]
#[cfg_attr(crown, crown::unrooted_must_root_lint::must_root)]
pub(crate) struct WeakBox<T: WeakReferenceable> {
/// The reference count. When it reaches zero, the `value` field should
/// have already been set to `None`. The pointee contributes one to the count.
@ -218,7 +218,7 @@ unsafe impl<T: WeakReferenceable> JSTraceable for MutableWeakRef<T> {
/// A vector of weak references. On tracing, the vector retains
/// only references which still point to live objects.
#[crown::unrooted_must_root_lint::allow_unrooted_interior]
#[cfg_attr(crown, crown::unrooted_must_root_lint::allow_unrooted_interior)]
#[derive(MallocSizeOf)]
pub(crate) struct WeakRefVec<T: WeakReferenceable> {
vec: Vec<WeakRef<T>>,
@ -268,7 +268,7 @@ impl<T: WeakReferenceable> DerefMut for WeakRefVec<T> {
/// An entry of a vector of weak references. Passed to the closure
/// given to `WeakRefVec::update`.
#[crown::unrooted_must_root_lint::allow_unrooted_interior]
#[cfg_attr(crown, crown::unrooted_must_root_lint::allow_unrooted_interior)]
pub(crate) struct WeakRefEntry<'a, T: WeakReferenceable> {
vec: &'a mut WeakRefVec<T>,
index: &'a mut usize,