public object VisitGetExpr(Expr.Get expr)
{
object @object = Evaluate(expr.Object);
if (@object is LoxInstance instance)
{
return(instance.Get(expr.Name));
}
throw new RuntimeError(expr.Name, "Only instances have properties");
}
private Expr Call()
{
Expr expr = Primary();
while (true)
{
if (Match(LEFT_PAREN))
{
expr = FinishCall(expr);
}
else if (Match(DOT))
{
Token name = Consume(IDENTIFIER, "Expect property name after '.'");
expr = new Expr.Get(expr, name);
}
else
{
break;
}
}
return(expr);
}
public object VisitGetExpr(Expr.Get expr)
{
Resolve(expr.Object);
return(null);
}
public string Visit(Expr.Get expr)
{
throw new NotImplementedException();
}