Exemplo n.º 1
0
        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();
            }
        }
Exemplo n.º 2
0
 protected EmptyParser(EmptyParser other, ParserCloneArgs args)
     : base(other, args)
 {
 }