void
mozilla::DeferredFinalize(nsISupports* aSupports)
{
CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get();
MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now");
rt->DeferredFinalize(aSupports);
}
bool
Throw(JSContext* aCx, nsresult aRv, const char* aMessage)
{
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
if (existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
// Clear pending exception
runtime->SetPendingException(nullptr);
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
nsRefPtr<Exception> finalException;
// Do we use DOM exceptions for this error code?
switch (NS_ERROR_GET_MODULE(aRv)) {
case NS_ERROR_MODULE_DOM:
case NS_ERROR_MODULE_SVG:
case NS_ERROR_MODULE_DOM_XPATH:
case NS_ERROR_MODULE_DOM_INDEXEDDB:
case NS_ERROR_MODULE_DOM_FILEHANDLE:
finalException = DOMException::Create(aRv);
break;
default:
break;
}
// If not, use the default.
if (!finalException) {
// aMessage can be null.
finalException = new Exception(nsCString(aMessage), aRv,
EmptyCString(), nullptr, nullptr);
}
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
bool
IsJSHolder(void* aHolder)
{
CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get();
MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now");
return rt->IsJSHolder(aHolder);
}
void
DropJSObjectsImpl(void* aHolder)
{
CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get();
MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now");
rt->RemoveJSHolder(aHolder);
}
void
HoldJSObjectsImpl(void* aHolder, nsScriptObjectTracer* aTracer)
{
CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get();
MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now");
rt->AddJSHolder(aHolder, aTracer);
}
void
mozilla::DeferredFinalize(DeferredFinalizeAppendFunction aAppendFunc,
DeferredFinalizeFunction aFunc,
void* aThing)
{
CycleCollectedJSRuntime* rt = CycleCollectedJSRuntime::Get();
MOZ_ASSERT(rt, "Should have a CycleCollectedJSRuntime by now");
rt->DeferredFinalize(aAppendFunc, aFunc, aThing);
}
void
Animation::DoFinishNotification(SyncNotifyFlag aSyncNotifyFlag)
{
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
if (aSyncNotifyFlag == SyncNotifyFlag::Sync) {
DoFinishNotificationImmediately();
} else if (!mFinishNotificationTask.IsPending()) {
RefPtr<nsRunnableMethod<Animation>> runnable =
NS_NewRunnableMethod(this, &Animation::DoFinishNotificationImmediately);
runtime->DispatchToMicroTask(runnable);
mFinishNotificationTask = runnable;
}
}
TEST(GCPostBarriers, nsTArray) {
CycleCollectedJSRuntime* ccrt = CycleCollectedJSRuntime::Get();
ASSERT_TRUE(ccrt != nullptr);
JSRuntime* rt = ccrt->Runtime();
ASSERT_TRUE(rt != nullptr);
JSContext *cx = JS_NewContext(rt, 8192);
ASSERT_TRUE(cx != nullptr);
JS_BeginRequest(cx);
CreateGlobalAndRunTest(rt, cx);
JS_EndRequest(cx);
JS_DestroyContext(cx);
}
bool
Throw(JSContext* aCx, nsresult aRv, const nsACString& aMessage)
{
if (aRv == NS_ERROR_UNCATCHABLE_EXCEPTION) {
// Nuke any existing exception on aCx, to make sure we're uncatchable.
JS_ClearPendingException(aCx);
return false;
}
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
// Make sure to clear the pending exception now. Either we're going to reuse
// it (and we already grabbed it), or we plan to throw something else and this
// pending exception is no longer relevant.
runtime->SetPendingException(nullptr);
// Ignore the pending exception if we have a non-default message passed in.
if (aMessage.IsEmpty() && existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
RefPtr<Exception> finalException = CreateException(aCx, aRv, aMessage);
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
bool
Throw(JSContext* aCx, nsresult aRv, const char* aMessage)
{
if (aRv == NS_ERROR_UNCATCHABLE_EXCEPTION) {
// Nuke any existing exception on aCx, to make sure we're uncatchable.
JS_ClearPendingException(aCx);
return false;
}
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
if (existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
// Clear pending exception
runtime->SetPendingException(nullptr);
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
nsRefPtr<Exception> finalException = CreateException(aCx, aRv, aMessage);
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
