public static void main()

in src/compiler/Compiler.java [184:266]
71 lines of code
23 McCabe index (conditional complexity)

    public static void main(String argv[]) throws Exception {
      Compiler comp = new Compiler();
      String out = ".";
      String amdir = null;
      boolean stackTrace = false;
      LinkedList<String> plsrc = new LinkedList<>();
      int argi = 0;
      for (; argi < argv.length; argi++) {
        String a = argv[argi];
        if (a.equals("--")) {
          argi++;
          break;
        }

        if (a.equals("-O")) {
          comp.enableDefaultOptions();

        } else if (a.equals("-O:none")) {
          comp.options.clear();

        } else if (a.startsWith("-O:")) {
          String optname = a.substring("-O:".length());
          Option opt = findOptionByName(optname);
          if (opt != null)
            comp.enable(opt);

        } else if (a.equals("-s")) {
          if (++argi == argv.length)
            usage();
          out = argv[argi];

        } else if (a.equals("-am")) {
          if (++argi == argv.length)
            usage();
          amdir = argv[argi];

        } else if (a.equals("-h") || a.equals("--help") || a.equals("-help")) {
          usage();

        } else if (a.equals("--show-stack-trace")) {
          stackTrace = true;

        } else if (a.startsWith("-")) {
          System.err.println("error: Unsupported flag '" + a + "'");
          usage();

        } else {
          plsrc.add(a);
        }
      }
      if (argi < argv.length)
        plsrc.addAll(Arrays.asList(argv).subList(argi, argv.length));
      if (plsrc.isEmpty())
        usage();

      banner();
      for (String pl : plsrc) {
        System.err.println("Translating " + pl);

        try {
          if (amdir != null) {
            String base;
            if (pl.endsWith(".pl"))
              base = pl.substring(0, pl.length() - 3);
            else
              base = pl;
            File am = new File(new File(amdir), base + ".am");
            am.getParentFile().mkdirs();

            comp.prologToWAM(pl, am.getPath());
            comp.wamToJavaSource(am.getPath(), out);
          } else {
            comp.prologToJavaSource(pl, out);
          }
        } catch (CompileException err) {
          if (stackTrace)
            err.printStackTrace();
          else
            System.err.println("error: " + err.getMessage());
          System.exit(1);
        }
      }
    }