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Make proxy finalizers retrieve the DOM object from the right slot.

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This commit is contained in:
Josh Matthews 2013-10-02 00:49:41 -04:00
parent 92f6599854
commit bc81716c30
2 changed files with 11 additions and 6 deletions
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15
src/components/script/dom/bindings/utils.rs
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@ -121,14 +121,19 @@ pub fn is_dom_proxy(obj: *JSObject) -> bool {
}
#[fixed_stack_segment]
pub unsafe fn unwrap<T>(obj: *JSObject) -> T {
pub unsafe fn dom_object_slot(obj: *JSObject) -> u32 {
let clasp = JS_GetClass(obj);
let slot = if is_dom_class(clasp) {
DOM_OBJECT_SLOT
if is_dom_class(clasp) {
DOM_OBJECT_SLOT as u32
} else {
assert!(is_dom_proxy(obj));
DOM_PROXY_OBJECT_SLOT
} as u32;
DOM_PROXY_OBJECT_SLOT as u32
}
}
#[fixed_stack_segment]
pub unsafe fn unwrap<T>(obj: *JSObject) -> T {
let slot = dom_object_slot(obj);
let val = JS_GetReservedSlot(obj, slot);
cast::transmute(RUST_JSVAL_TO_PRIVATE(val))
}