diff options
Diffstat (limited to 'components/script/dom/bindings/inheritance.rs')
| -rw-r--r-- | components/script/dom/bindings/inheritance.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/components/script/dom/bindings/inheritance.rs b/components/script/dom/bindings/inheritance.rs index 9ef1f7ad0a1..58dafb2972f 100644 --- a/components/script/dom/bindings/inheritance.rs +++ b/components/script/dom/bindings/inheritance.rs @@ -9,6 +9,7 @@ use std::mem; pub use crate::dom::bindings::codegen::InheritTypes::*; use crate::dom::bindings::conversions::{get_dom_class, DerivedFrom, IDLInterface}; use crate::dom::bindings::reflector::DomObject; +use crate::script_runtime::runtime_is_alive; /// A trait to hold the cast functions of IDL interfaces that either derive /// or are derived from other interfaces. @@ -18,6 +19,14 @@ pub trait Castable: IDLInterface + DomObject + Sized { where T: DerivedFrom<Self>, { + // This is a weird place for this check to live, but it should catch any + // attempts to interact with DOM objects from Drop implementations that run + // as a result of the runtime shutting down and finalizing all remaining objects. + debug_assert!( + runtime_is_alive(), + "Attempting to interact with DOM objects after JS runtime has shut down." + ); + let class = unsafe { get_dom_class(self.reflector().get_jsobject().get()).unwrap() }; T::derives(class) } |