// actually it's now almost the same as jsonDecode :)

static Object unstructure(String text) {

  final L<S> tok = javaTok(text);

  class X {

    int i = 1;

    Object parse() {

      String t = tok.get(i);

      if (t.startsWith("\"")) {

        String s = unquote(tok.get(i));

        i += 2;

        return s;

      }

      if (t.equals("{"))

        return parseMap();

      if (t.equals("["))

        return parseList();

      if (t.equals("null")) {

        i += 2; return null;

      }

      if (t.equals("false")) {

        i += 2; return false;

      }

      if (t.equals("true")) {

        i += 2; return true;

      }

      if (isInteger(t)) {

        i += 2; return Long.parseLong(t);

      }

      if (isJavaIdentifier(t)) {

        Class c = findClass(t);

        O o = nuObject(c);

        i += 2;

        if (i < tok.size() && tok.get(i).equals("(")) {

          consume("(");

          while (!tok.get(i).equals(")")) {

            // It's like parsing a map.

            //Object key = parse();

            //if (tok.get(i).equals(")"))

            //  key = onlyField();

            String key = unquote(tok.get(i));

            i += 2;

            consume("=");

            Object value = parse();

            set(o, key, value);

            if (tok.get(i).equals(",")) i += 2;

          }

          consume(")");

        }

        return o;

      }

      throw new RuntimeException("Unknown token " + (i+1) + ": " + t);

    }

    Object parseList() {

      consume("[");

      List list = new ArrayList;

      while (!tok.get(i).equals("]")) {

        list.add(parse());

        if (tok.get(i).equals(",")) i += 2;

      }

      consume("]");

      return list;

    }

    Object parseMap() {

      consume("{");

      Map map = new TreeMap;

      while (!tok.get(i).equals("}")) {

        String key = unquote(tok.get(i));

        i += 2;

        consume("=");

        Object value = parse();

        map.put(key, value);

        if (tok.get(i).equals(",")) i += 2;

      }

      consume("}");

      return map;

    }

    void consume(String s) {

      if (!tok.get(i).equals(s)) {

        S prevToken = i-2 >= 0 ? tok.get(i-2) : "";

        S nextTokens = join(tok.subList(i, Math.min(i+4, tok.size())));

        fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");

      }

      i += 2;

    }

  }

  return new X().parse();

}