public bool Parse(TextReader input, string document = null)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (document == null)
{
document = Loc.MemoryString;
}
Clear();
var scanner = language.CreateScanner(context, input, document, GetCurrentLogging());
var producer = language.CreateActionProducer(context);
var parser = language.CreateParser(producer, logging);
scanner.Accept(parser);
return(ErrorCount == 0);
}
