Var JavascriptExternalFunction::ExternalFunctionThunk(RecyclableObject* function, CallInfo callInfo, ...)
{
ARGUMENTS(args, callInfo);
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(function);
ScriptContext * scriptContext = externalFunction->type->GetScriptContext();
#ifdef ENABLE_DIRECTCALL_TELEMETRY
DirectCallTelemetry::AutoLogger logger(scriptContext, externalFunction, &args);
#endif
externalFunction->PrepareExternalCall(&args);
#if ENABLE_TTD
Var result = nullptr;
if(scriptContext->ShouldPerformRecordOrReplayAction())
{
result = JavascriptExternalFunction::HandleRecordReplayExternalFunction_Thunk(externalFunction, callInfo, args, scriptContext);
}
else
{
BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext)
{
// Don't do stack probe since BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION does that for us already
result = externalFunction->nativeMethod(function, callInfo, args.Values);
}
END_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext);
}
#else
Var result = nullptr;
BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext)
{
// Don't do stack probe since BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION does that for us already
result = externalFunction->nativeMethod(function, callInfo, args.Values);
}
END_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext);
#endif
if (result == nullptr)
{
#pragma warning(push)
#pragma warning(disable:6011) // scriptContext cannot be null here
result = scriptContext->GetLibrary()->GetUndefined();
#pragma warning(pop)
}
else
{
result = CrossSite::MarshalVar(scriptContext, result);
}
return result;
}
Var JavascriptExternalFunction::ExternalFunctionThunk(RecyclableObject* function, CallInfo callInfo, ...)
{
RUNTIME_ARGUMENTS(args, callInfo);
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(function);
// Deferred constructors which are not callable fall back to using the RecyclableObject::DefaultEntryPoint. In order to call
// this function we have to be inside script so all this and return before doing any of the external call preparation.
if (externalFunction->nativeMethod == Js::RecyclableObject::DefaultExternalEntryPoint)
{
return Js::RecyclableObject::DefaultExternalEntryPoint(function, callInfo, args.Values);
}
ScriptContext * scriptContext = externalFunction->type->GetScriptContext();
#ifdef ENABLE_DIRECTCALL_TELEMETRY
DirectCallTelemetry::AutoLogger logger(scriptContext, externalFunction, &args);
#endif
externalFunction->PrepareExternalCall(&args);
Var result = nullptr;
BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext)
{
// Don't do stack probe since BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION does that for us already
result = externalFunction->nativeMethod(function, callInfo, args.Values);
}
END_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext);
return externalFunction->FinishExternalCall(result);
}
Var JavascriptExternalFunction::HandleRecordReplayExternalFunction_Thunk(Js::JavascriptFunction* function, CallInfo& callInfo, Arguments& args, ScriptContext* scriptContext)
{
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(function);
Var result = nullptr;
if(scriptContext->ShouldPerformReplayAction())
{
TTD::TTDNestingDepthAutoAdjuster logPopper(scriptContext->GetThreadContext());
scriptContext->GetThreadContext()->TTDLog->ReplayExternalCallEvent(externalFunction, args, &result);
}
else
{
TTDAssert(scriptContext->ShouldPerformRecordAction(), "Check either record/replay before calling!!!");
TTD::EventLog* elog = scriptContext->GetThreadContext()->TTDLog;
TTD::TTDNestingDepthAutoAdjuster logPopper(scriptContext->GetThreadContext());
TTD::NSLogEvents::EventLogEntry* callEvent = elog->RecordExternalCallEvent(externalFunction, scriptContext->GetThreadContext()->TTDRootNestingCount, args, false);
BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext)
{
// Don't do stack probe since BEGIN_LEAVE_SCRIPT_WITH_EXCEPTION does that for us already
result = externalFunction->nativeMethod(function, callInfo, args.Values);
}
END_LEAVE_SCRIPT_WITH_EXCEPTION(scriptContext);
//Exceptions should be prohibited so no need to do extra work
elog->RecordExternalCallEvent_Complete(externalFunction, callEvent, result);
}
return result;
}
