private ParseItemList Parse(ITextProvider text, IItemFactory itemFactory, ITokenStream stream, IParsingExecutionContext context)
{
var results = new ParseItemList();
while (!context.IsCancellationRequested && stream.Current.Type != TokenType.EndOfFile)
{
int position = stream.Position;
ParseItem item;
if (!itemFactory.TryCreate(null, text, stream, out item))
break;
if (item.Parse(itemFactory, text, stream))
results.Add(item);
// guard against infinite loop (in case token couldn't be handled)
if (stream.Position == position)
stream.Advance();
}
// freeze everything
if (!context.IsCancellationRequested)
foreach (var item in results)
item.Freeze();
return results;
}
private ParseItemList Parse(ITextProvider text, IItemFactory itemFactory, ITokenStream stream, IParsingExecutionContext context)
{
var results = new ParseItemList();
while (!context.IsCancellationRequested && stream.Current.Type != TokenType.EndOfFile)
{
int position = stream.Position;
ParseItem item;
if (!itemFactory.TryCreate(null, text, stream, out item))
{
break;
}
if (item.Parse(itemFactory, text, stream))
{
results.Add(item);
}
// guard against infinite loop (in case token couldn't be handled)
if (stream.Position == position)
{
stream.Advance();
}
}
// freeze everything
if (!context.IsCancellationRequested)
{
foreach (var item in results)
{
item.Freeze();
}
}
return(results);
}