public override void ExitClick_each_command([NotNull] CrawlLangParser.Click_each_commandContext context)
        {
            string selector = context.selector().GetText().Trim('\'');

            ClickEachCommand clickEachCommand = new ClickEachCommand(_CurrentBlock, selector,
                                                                     _ExecutionEngine.ClickEach_Head,
                                                                     _ExecutionEngine.ClickEach_IterationBegin,
                                                                     _ExecutionEngine.ClickEach_IterationEnd,
                                                                     _ExecutionEngine.ClickEach_Tail);

            _BlockIds.Pop();
            _CurrentBlock.Add(clickEachCommand);
        }
 public abstract override void ExitClick_each_command([NotNull] CrawlLangParser.Click_each_commandContext context);
 public override void EnterClick_each_command([NotNull] CrawlLangParser.Click_each_commandContext context)
 {
     _BlockIds.Push(Guid.NewGuid());
     _CommandBlocks.Add(_CurrentBlockId, new List <ICommand>());
 }