!636

!629 // standard functions

!1000302 // class Java20

main {

  psvm {

    String src = takeInput(args, "class main { String s; }");

    src = src.replace("\r\n", "\n");

    String[] tokens = tokenizeJava(src);

    for (String t : tokens)

      System.out.println(quote(t));

    String joined = join(tokens);

    saveTextFile("output/joined.txt", joined);

    if (!src.equals(joined)) {

      for (int i = 0; i < joined.length(); i++)

        if (src.charAt(i) != joined.charAt(i)) {

          System.out.println("Char diff at " + i + ": " + (int) + src.charAt(i) + " vs " + (int) joined.charAt(i));

          break;

        }

      throw new RuntimeException("Join fail");

    }

  }

  static String[] tokenizeJava(String src) {

    Java20 lex = new Java20();

    LineNumberReader source = new LineNumberReader(new StringReader(src));

    List<String> tokens = new ArrayList<String>();

    try {

      for (Object a; (a = lex.grab(source)) != lex.$;)

        tokens.add(lex.word());

    } catch (Exception e) {

      throw new RuntimeException(e);

    }

    return tokens.toArray(new String[tokens.size()]);

  }

  static String takeInput(String[] args, String def) tex {

    if (args.length != 0) return loadSnippet(args[0]);

    return loadTextFile("input/input.txt", def);

  }

  static String join(String[] array) {

    StringBuilder buf = new StringBuilder();

    for (String s : array)

      buf.append(s);

    return buf.toString();

  }

  public static String quote(String s) {

    if (s == null) return "null";

    return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\"";

  }

}