int main()

in cc/private/toolchain/libtool_check_unique.cc [37:74]
35 lines of code
10 McCabe index (conditional complexity)

int main(int argc, const char *argv[]) {
  unordered_set<string> basenames;
  const regex libRegex = regex(".*\\.a$");
  const regex noArgFlags =
      regex("-static|-s|-a|-c|-L|-T|-D|-no_warning_for_no_symbols");
  const regex singleArgFlags = regex("-arch_only|-syslibroot|-o");
  // Set i to 1 to skip executable path
  for (int i = 1; argv[i] != nullptr; i++) {
    const string arg = argv[i];
    if (arg == "-filelist") {
      ifstream list(argv[i + 1]);
      for (string line; getline(list, line);) {
        const string basename = getBasename(line);
        const auto pair = basenames.insert(basename);
        if (!pair.second) {
          return EXIT_FAILURE;
        }
      }
      list.close();
      i++;
    } else if (regex_match(arg, noArgFlags)) {
    } else if (regex_match(arg, singleArgFlags)) {
      i++;
    } else if (arg[0] == '-') {
      return EXIT_FAILURE;
      // Unrecognized flag, let the wrapper deal with it
    } else if (regex_match(arg, libRegex)) {
      // Archive inputs can remain untouched, as they come from other targets.
    } else {
      const string basename = getBasename(arg);
      const auto pair = basenames.insert(basename);
      if (!pair.second) {
        return EXIT_FAILURE;
      }
    }
  }
  return EXIT_SUCCESS;
}