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Don't access the reflector when dropping a Promise (fixes #18651)

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This commit is contained in:
Anthony Ramine 2018-03-13 15:44:21 +01:00
parent 8e6cfbca47
commit 50d31f7ec4
1 changed files with 13 additions and 8 deletions
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21
components/script/dom/promise.rs
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@ -19,13 +19,13 @@ use dom::globalscope::GlobalScope;
use dom::promisenativehandler::PromiseNativeHandler;
use dom_struct::dom_struct;
use js::conversions::ToJSValConvertible;
use js::jsapi::{CallOriginalPromiseResolve, CallOriginalPromiseReject};
use js::jsapi::{JSAutoCompartment, CallArgs, JS_GetFunctionObject, JS_NewFunction};
use js::jsapi::{JSContext, HandleValue, HandleObject, IsPromiseObject, GetFunctionNativeReserved};
use js::jsapi::{JS_ClearPendingException, JSObject, AddRawValueRoot, RemoveRawValueRoot, PromiseState};
use js::jsapi::{MutableHandleObject, NewPromiseObject, ResolvePromise, RejectPromise, GetPromiseState};
use js::jsapi::{SetFunctionNativeReserved, NewFunctionWithReserved, AddPromiseReactions};
use js::jsapi::Heap;
use js::jsapi::{AddPromiseReactions, AddRawValueRoot, CallArgs, CallOriginalPromiseReject};
use js::jsapi::{CallOriginalPromiseResolve, GetFunctionNativeReserved, GetPromiseState};
use js::jsapi::{HandleObject, HandleValue, Heap, IsPromiseObject, JS_ClearPendingException};
use js::jsapi::{JSAutoCompartment, JSContext, JSObject, JS_GetContext, JS_GetFunctionObject};
use js::jsapi::{JS_GetObjectRuntime, JS_NewFunction, MutableHandleObject};
use js::jsapi::{NewFunctionWithReserved, NewPromiseObject, PromiseState, RejectPromise};
use js::jsapi::{RemoveRawValueRoot, ResolvePromise, SetFunctionNativeReserved};
use js::jsval::{JSVal, UndefinedValue, ObjectValue, Int32Value};
use std::ptr;
use std::rc::Rc;
@ -61,8 +61,13 @@ impl PromiseHelper for Rc<Promise> {
impl Drop for Promise {
#[allow(unsafe_code)]
fn drop(&mut self) {
let cx = self.global().get_cx();
unsafe {
let object = self.permanent_js_root.get().to_object();
assert!(!object.is_null());
let runtime = JS_GetObjectRuntime(object);
assert!(!runtime.is_null());
let cx = JS_GetContext(runtime);
assert!(!cx.is_null());
RemoveRawValueRoot(cx, self.permanent_js_root.get_unsafe());
}
}