public object visitSetExpr(Expr.Set expr)
{
object instance = Evaluate(expr.instance);
if (instance is LoxInstance loxInstance)
{
object value = Evaluate(expr.value);
loxInstance.Set(expr.name, value);
return(value);
}
throw new RuntimeError(expr.name, "Only instances have fields.");
}
public object visitSetExpr(Expr.Set expr)
{
Resolve(expr.value);
Resolve(expr.instance);
return(null);
}
public string visitSetExpr(Expr.Set expr)
{
throw new NotImplementedException();
}