public override void Initialize(ParserInitializeArgs args)
{
base.Initialize(args);
separator = Separator ?? args.Grammar.Separator;
if (Items.Count == 0)
{
throw new InvalidOperationException("There are no items in this sequence");
}
if (args.Push(this))
{
var leftItem = Items[0];
if (leftItem != null)
{
foreach (var parent in args.RecursionFixes)
{
if (leftItem.IsLeftRecursive(parent))
{
Items[0] = new EmptyParser();
break;
}
}
}
foreach (var item in Items.Where(r => r != null))
{
item.Initialize(args);
}
if (Separator != null)
{
Separator.Initialize(args);
}
args.Pop();
}
}
protected EmptyParser(EmptyParser other, ParserCloneArgs args)
: base(other, args)
{
}