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Code Issues Packages 1 Wiki Activity

refactor(core): don't depend on get_identity_hash for promises (#8352)

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This commit changes how pending promise exceptions are stored
in JsRuntime by using global handle to promise instead of its
identity hash.
This commit is contained in:
Bartek Iwańczuk 2020-11-11 23:11:40 +01:00 • committed by GitHub
parent c744ee2756
commit d4c8fa263d
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 9 deletions
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6
core/bindings.rs
View file

@ -285,7 +285,7 @@ pub extern "C" fn promise_reject_callback(message: v8::PromiseRejectMessage) {
let mut state = state_rc.borrow_mut();
let promise = message.get_promise();
let promise_id = promise.get_identity_hash();
let promise_global = v8::Global::new(scope, promise);
match message.get_event() {
v8::PromiseRejectEvent::PromiseRejectWithNoHandler => {
@ -293,10 +293,10 @@ pub extern "C" fn promise_reject_callback(message: v8::PromiseRejectMessage) {
let error_global = v8::Global::new(scope, error);
state
.pending_promise_exceptions
.insert(promise_id, error_global);
.insert(promise_global, error_global);
}
v8::PromiseRejectEvent::PromiseHandlerAddedAfterReject => {
state.pending_promise_exceptions.remove(&promise_id);
state.pending_promise_exceptions.remove(&promise_global);
}
v8::PromiseRejectEvent::PromiseRejectAfterResolved => {}
v8::PromiseRejectEvent::PromiseResolveAfterResolved => {

20
core/runtime.rs
View file

@ -103,7 +103,8 @@ pub(crate) struct JsRuntimeState {
pub(crate) shared_ab: Option<v8::Global<v8::SharedArrayBuffer>>,
pub(crate) js_recv_cb: Option<v8::Global<v8::Function>>,
pub(crate) js_macrotask_cb: Option<v8::Global<v8::Function>>,
pub(crate) pending_promise_exceptions: HashMap<i32, v8::Global<v8::Value>>,
pub(crate) pending_promise_exceptions:
HashMap<v8::Global<v8::Promise>, v8::Global<v8::Value>>,
pending_dyn_mod_evaluate: HashMap<ModuleLoadId, DynImportModEvaluate>,
pending_mod_evaluate: Option<ModEvaluate>,
pub(crate) js_error_create_fn: Box<JsErrorCreateFn>,
@ -803,9 +804,9 @@ impl JsRuntime {
);
let promise = v8::Local::<v8::Promise>::try_from(value)
.expect("Expected to get promise as module evaluation result");
let promise_id = promise.get_identity_hash();
let promise_global = v8::Global::new(scope, promise);
let mut state = state_rc.borrow_mut();
state.pending_promise_exceptions.remove(&promise_id);
state.pending_promise_exceptions.remove(&promise_global);
let promise_global = v8::Global::new(scope, promise);
let module_global = v8::Global::new(scope, module);
@ -885,9 +886,9 @@ impl JsRuntime {
);
let promise = v8::Local::<v8::Promise>::try_from(value)
.expect("Expected to get promise as module evaluation result");
let promise_id = promise.get_identity_hash();
let promise_global = v8::Global::new(scope, promise);
let mut state = state_rc.borrow_mut();
state.pending_promise_exceptions.remove(&promise_id);
state.pending_promise_exceptions.remove(&promise_global);
let promise_global = v8::Global::new(scope, promise);
assert!(
state.pending_mod_evaluate.is_none(),
@ -1385,7 +1386,14 @@ impl JsRuntime {
return Ok(());
}
let key = { *state.pending_promise_exceptions.keys().next().unwrap() };
let key = {
state
.pending_promise_exceptions
.keys()
.next()
.unwrap()
.clone()
};
let handle = state.pending_promise_exceptions.remove(&key).unwrap();
drop(state);