public object VisitSetExpr(Expr.Set expr)
{
object @object = Evaluate(expr.Object);
if (!(@object is LoxInstance))
{
throw new RuntimeError(expr.Name, "Only instances have fields");
}
object value = Evaluate(expr.Value);
((LoxInstance)@object).Set(expr.Name, value);
return(value);
}
public object VisitSetExpr(Expr.Set expr)
{
Resolve(expr.Value);
Resolve(expr.Object);
return(null);
}
public string Visit(Expr.Set expr)
{
throw new NotImplementedException();
}