// ECMA-262 section 15.4.4.5
//private StringBuilder join(mdr.DArray array) { return join(array, null); }
private StringBuilder join(mdr.DObject obj, string separator)
{
if (obj == null)
throw new ArgumentException("Object is null!");
if (separator == null)
separator = ",";
StringBuilder strBuilder = new StringBuilder(string.Empty);
var lengthField = obj.GetFieldByFieldId(mdr.Runtime.Instance.LengthFieldId);
var length = Operations.Convert.ToInt32.Run(ref lengthField);
if (length == 0)
return strBuilder;
var element_0 = obj.GetField(0);
if (element_0.ValueType != mdr.ValueTypes.Undefined && element_0.ValueType != mdr.ValueTypes.Null)
strBuilder.Append(Operations.Convert.ToString.Run(ref element_0));
for (int k = 1; k < length; k++)
{
strBuilder.Append(separator);
var element_k = obj.GetField(k);
if (element_k.ValueType != mdr.ValueTypes.Undefined && element_k.ValueType != mdr.ValueTypes.Null)
strBuilder.Append(Operations.Convert.ToString.Run(ref element_k));
}
return strBuilder;
}
