private GSCore execWhile(GSCoreCollection args)
{
GSCoreCollection commands = args.getSublist(1);
GSCore r = null;
while (ExecuteElement(args.getSafe(0)).getBooleanValue())
{
foreach (GSCore cmd in commands)
{
r = ExecuteElement(cmd);
if (r is GSReturn)
{
break;
}
}
if (r is GSReturn)
{
GSReturn ret = r as GSReturn;
if (ret.Type == GSReturn.TYPE_BREAK)
{
break;
}
if (ret.Type == GSReturn.TYPE_RETURN)
{
return(ret);
}
}
}
return(GSVoid.Void);
}
private GSCore execMessage(GSCoreCollection args)
{
GSCore result = GSVoid.Void;
// first is token, name of variable, object
// second is token, message name
// third etc are arguments
if (args.Count >= 2 && args.getSafe(0) is GSToken && args.getSafe(1) is GSToken)
{
// evaluate the remaining portion of list
GSCoreCollection subArgs = getNativeValues(args.getSublist(2));
// first and second tokens
GSToken t1 = args.getSafe(0) as GSToken;
GSToken t2 = args.getSafe(1) as GSToken;
// evaluate reference to object
GSCore obj = ExecuteElement(t1);
// execute message in the object
result = obj.ExecuteMessage(t2.Token, subArgs);
}
return(result);
}