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Free the interface prototype array when Window is finalized

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Fixes #1871
This commit is contained in:
Tim Cuthbertson 2015-03-20 11:28:04 +11:00
parent dea36f9816
commit 0052a27b1a
2 changed files with 16 additions and 2 deletions
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10
components/script/dom/bindings/utils.rs
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@ -321,10 +321,12 @@ pub unsafe extern fn throwing_constructor(cx: *mut JSContext, _argc: c_uint,
return 0;
}
type ProtoOrIfaceArray = [*mut JSObject; PrototypeList::ID::Count as usize];
/// Construct and cache the ProtoOrIfaceArray for the given global.
/// Fails if the argument is not a DOM global.
pub fn initialize_global(global: *mut JSObject) {
let proto_array = box ()
let proto_array: Box<ProtoOrIfaceArray> = box ()
([0 as *mut JSObject; PrototypeList::ID::Count as usize]);
unsafe {
assert!(((*JS_GetClass(global)).flags & JSCLASS_DOM_GLOBAL) != 0);
@ -560,6 +562,12 @@ pub fn create_dom_global(cx: *mut JSContext, class: *const JSClass)
}
}
/// Drop the resources held by reserved slots of a global object
pub unsafe fn finalize_global(obj: *mut JSObject) {
let _: Box<ProtoOrIfaceArray> =
Box::from_raw(get_proto_or_iface_array(obj) as *mut ProtoOrIfaceArray);
}
/// Callback to outerize windows when wrapping.
pub unsafe extern fn wrap_for_same_compartment(cx: *mut JSContext, obj: *mut JSObject) -> *mut JSObject {
JS_ObjectToOuterObject(cx, obj)