public void Visit(IfNode node)
{
node.Condition.Accept(this);
node.AcceptChildren(this);
if (node.Alternate != null)
{
node.AcceptSiblings(node.Alternate, this);
}
}
public LanguageType Visit(IfNode node)
{
var condtype = node.Condition.Accept(this);
if (condtype != LanguageType.Int && condtype != LanguageType.Time)
{
throw new AlangExeption(node, $"Condition in if statement is {condtype.ToLower()}, and should be either int or time");
}
node.AcceptChildren(this);
node.AcceptSiblings(node.Alternate, this);
return(LanguageType.Null);
}