private object EvaluateSetExpression(SetExpression expr)
{
var obj = Evaluate(expr.Object);
var instance = obj as LoxInstance;
if (instance == null)
{
throw new RuntimeError(expr.Name, "Only instances have fields");
}
var value = Evaluate(expr.Value);
instance.Set(expr.Name, value);
return(value);
}
private void ResolveSetExpression(SetExpression expr)
{
Resolve(expr.Value);
Resolve(expr.Object);
}
