throw new RuntimeException(DELAY_MS+": arguments not found");
String[] argArray = args.split("\\s");
if(1!=argArray.length)
throw new RuntimeException(DELAY_MS+" take 1 argument, but "+argArray.length+" arguments have been found.");
long delayMs=Integer.parseInt(argArray[0]);
cmds.add(new DelayNs(delayMs*1000000));
} else if(line.startsWith(C_STYLE_MULTILINE_COMMENT_OPEN))
multilineCommentLevel++;
else if(line.startsWith(C_STYLE_MULTILINE_COMMENT_CLOSE))
throw new RuntimeException("C style multiline comment unmatched: multilineCommentLevel="+multilineCommentLevel);
else {