private IStatement BackwardStatement()
{
EatToken(TokenType.BACKWARD);
EatToken(TokenType.LPARENT);
BackwardStatement backwardStatement = new BackwardStatement(Expression());
EatToken(TokenType.RPARENT);
return(backwardStatement);
}
public object Visit_BackwardStatement(BackwardStatement backwardStatement)
{
TreeViewItem item = new TreeViewItem();
item.IsExpanded = true;
item.Header = "Backward";
item.Items.Add(backwardStatement.Expression.Visit(this));
return(item);
}
public object Visit_BackwardStatement(BackwardStatement backwardStatement)
{
BackwardDelegate(backwardStatement.Expression.Visit(this));
return(null);
}
