Jurassic.Library.ObjectInstance.GetNamedPropertyValue C# (CSharp) Method

        private object GetNamedPropertyValue(object key, ObjectInstance thisValue)
        {
            ObjectInstance prototypeObject = this;
            do
            {
                // Retrieve information about the property.
                var property = prototypeObject.schema.GetPropertyIndexAndAttributes(key);
                if (property.Exists == true)
                {
                    // The property was found!
                    object value = prototypeObject.propertyValues[property.Index];
                    if ((property.Attributes & (PropertyAttributes.IsAccessorProperty | PropertyAttributes.IsLengthProperty)) == 0)
                        return value;

                    // Call the getter if there is one.
                    if (property.IsAccessor == true)
                        return ((PropertyAccessorValue)value).GetValue(thisValue);

                    // Otherwise, the property is the "magic" length property.
                    return ((ArrayInstance)prototypeObject).Length;
                }

                // Traverse the prototype chain.
                prototypeObject = prototypeObject.prototype;
            } while (prototypeObject != null);

            // The property doesn't exist.
            return thisValue.GetMissingPropertyValue(key);
        }