public object VisitSetExpr(Expr.Set expr)
{
object objekt = Evaluate(expr.ExprObject);
if (!(objekt is LoxInstance))
{
throw new RuntimeError(expr.Name, "Only instances have fields.");
}
object value = Evaluate(expr.Value);
((LoxInstance)objekt).Set(expr.Name, value);
return(value);
}
public string VisitSetExpr(Expr.Set expr)
{
throw new System.NotImplementedException();
}
public Nothing VisitSetExpr(Expr.Set expr)
{
Resolve(expr.Value);
Resolve(expr.ExprObject);
return(Nothing.AtAll);
}