Method main

src/test/java/net/starlark/java/eval/Benchmarks.java:83–239

(String[] args)

  private static boolean ok = true;

  public static void main(String[] args) throws Exception {
    Pattern filter = null; // default: all
    long budgetNanos = -1;
    int iterations = -1;

    // parse flags
    int i;
    for (i = 0; i < args.length; i++) {
      if (args[i].equals("--")) {
        i++;
        break;

      } else if (args[i].equals("--help")) {
        System.out.println(HELP);
        System.exit(0);

      } else if (args[i].equals("--filter")) {
        if (++i == args.length) {
          fail("--filter needs an argument");
        }
        try {
          filter = Pattern.compile(args[i]);
        } catch (PatternSyntaxException ex) {
          fail("for --filter, invalid regexp: %s", ex.getMessage());
        }

      } else if (args[i].equals("--seconds")) {
        if (++i == args.length) {
          fail("--seconds needs an argument");
        }
        try {
          budgetNanos = (long) (1e9 * Double.parseDouble(args[i]));
        } catch (NumberFormatException unused) {
          fail("for --seconds, got '%s', want floating-point number of seconds", args[i]);
        }
        if (!(0 <= budgetNanos && budgetNanos <= 1e13)) {
          fail("--seconds out of range");
        }

      } else if (args[i].equals("--iterations")) {
        if (++i == args.length) {
          fail("--iterations needs an integer argument");
        }
        try {
          iterations = Integer.parseInt(args[i]);
        } catch (NumberFormatException e) {
          fail("for --iterations, got '%s', want an integer number of iterations", args[i]);
        }
        if (iterations < 0) {
          fail("--iterations out of range");
        }

      } else {
        fail("unknown flag: %s", args[i]);
      }
    }
    if (i < args.length) {
      fail("unexpected arguments");