private FieldDefinition PrepareStateHoldingField(string stateInstanceName, CodeProvider <MethodCodeInjectingCodeProviderArgument> codeProvider, ModuleDefinition module)
{
if (codeProvider.HasState)
{
if (string.IsNullOrWhiteSpace(stateInstanceName))
{
throw new InvalidOperationException($"Code provider '{codeProvider.GetType().FullName}' has state but '{nameof(stateInstanceName)}' is not defined in configuration of processor.");
}
var stateInstanceId = new StateInstanceId(stateInstanceName);
return(StateInstancesCodeGenerator.PrepareInstanceHoldingField(module, codeProvider.GetStateType(), stateInstanceName, stateInstanceId));
}
else
{
return(null);
}
}