private T PerformWithSettings <T>(Func <JsonSerializerSettings, T> func)
{
JsonSerializerSettings settings;
bool recursive = false;
if (currentJsonSettings.Value != null)
{
// This is a recursive call
recursive = true;
settings = currentJsonSettings.Value;
settings.TraceWriter?.Trace(TraceLevel.Info, "Entering recursive object", null);
}
else
{
settings = CreateSettings();
currentJsonSettings.Value = settings;
}
try
{
return(func(settings));
}
catch (Exception e)
{
// Don't do our special automatic debug enabling if debug writing is already on
if (JSONDebug.ErrorHasOccurred || settings.TraceWriter != null)
{
throw;
}
JSONDebug.ErrorHasOccurred = true;
if (Settings.Instance.JSONDebugMode == JSONDebug.DebugMode.Automatic)
{
GD.Print("JSON error happened, retrying with debug printing (mode is automatic), first exception: ",
e);
currentJsonSettings.Value = null;
PerformWithSettings(func);
// If we get here, we didn't get another exception...
// So we could maybe re-throw the first exception so that we fail like we should
GD.PrintErr(
"Expected an exception for the second try at JSON operation, but it succeeded, " +
"re-throwing the original exception");
throw;
}
else
{
throw;
}
}
finally
{
if (!recursive)
{
currentJsonSettings.Value = null;
if (settings.TraceWriter != null)
{
JSONDebug.OnTraceFinished(settings.TraceWriter);
// This shouldn't get reused so no point in creating a new instance here
settings.TraceWriter = null;
}
}
else
{
settings.TraceWriter?.Trace(TraceLevel.Info, "Exited recursive object", null);
}
}
}
