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;
}
Var JavascriptExternalFunction::HandleRecordReplayExternalFunction_StdThunk(Js::RecyclableObject* 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.Info.Count, args.Values, &result);
}
else
{
AssertMsg(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.Info.Count, args.Values, true);
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, ((callInfo.Flags & CallFlags_New) != 0), args.Values, args.Info.Count, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
elog->RecordExternalCallEvent_Complete(externalFunction, callEvent, result);
}
return result;
}
Var __stdcall JavascriptExternalFunction::TTDReplayDummyExternalMethod(Var callee, Var *args, USHORT cargs, StdCallJavascriptMethodInfo *info, void *callbackState)
{
JavascriptExternalFunction* externalFunction = static_cast<JavascriptExternalFunction*>(callee);
ScriptContext* scriptContext = externalFunction->type->GetScriptContext();
TTD::EventLog* elog = scriptContext->GetThreadContext()->TTDLog;
TTDAssert(elog != nullptr, "How did this get created then???");
//If this flag is set then this is ok (the debugger may be evaluating this so just return undef -- otherwise this is an error
if(!elog->IsDebugModeFlagSet())
{
TTDAssert(false, "This should never be reached in pure replay mode!!!");
return nullptr;
}
return scriptContext->GetLibrary()->GetUndefined();
}
Var JavascriptExternalFunction::HandleRecordReplayExternalFunction_StdThunk(Js::RecyclableObject* 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
{
if (args.Info.Count > USHORT_MAX)
{
// Due to compat reasons, stdcall external functions expect a ushort count of args.
// To support more than this we will need a new API.
Js::JavascriptError::ThrowTypeError(scriptContext, JSERR_ArgListTooLarge);
}
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, true);
StdCallJavascriptMethodInfo info = {
args[0],
args.HasNewTarget() ? args.GetNewTarget() : args.IsNewCall() ? function : scriptContext->GetLibrary()->GetUndefined(),
args.IsNewCall()
};
BEGIN_LEAVE_SCRIPT(scriptContext)
{
result = externalFunction->stdCallNativeMethod(function, args.Values, static_cast<ushort>(args.Info.Count), &info, externalFunction->callbackState);
}
END_LEAVE_SCRIPT(scriptContext);
elog->RecordExternalCallEvent_Complete(externalFunction, callEvent, result);
}
return result;
}