public static IP5Any Reverse(Runtime runtime, Opcode.ContextValues context,
P5Array args)
{
if (context == Opcode.ContextValues.LIST)
return args.Reversed(runtime);
int count = args.GetCount(runtime);
char[] value;
if (count == 0)
value = runtime.SymbolTable.GetStashScalar(runtime, "_", true).AsString(runtime).ToCharArray();
else if (count == 1)
value = args.GetItem(runtime, 0).AsString(runtime).ToCharArray();
else
{
var t = new System.Text.StringBuilder();
foreach (var i in args)
t.Append(i.AsString(runtime));
value = t.ToString().ToCharArray();
}
// TODO does not handle UCS-4
System.Array.Reverse(value);
return new P5Scalar(runtime, new string(value));
}