public bool Parse(System.IO.Stream stream, out Document document)
{
var tokenizer = new Tokenizer(stream);
var tokens = tokenizer.Tokens();
var tokenStream = new Stream(tokens);
document = new Document(_host);
foreach (var statement in Parse(tokenStream))
{
foreach (var s in (statement as StatementList))
{
document.Children.Add(s);
}
}
return true;
}