// i is index of last token of expression
// return value is C token
static int tok_findBeginningOfJavaXTerm(L<S> tok, int i) {
  i |= 1;
  int level = 0;
  
  while (i > 1) {
    S t = get(tok, i);
         if (eqOneOf(t, "}", ")")) level++;
    else if (eqOneOf(t, "{", "(")) level--;
    if (level == 0) {
      S prev = get(tok, i-2);
      printVars_str(+prev, +t);
      if (eqOneOf(prev, "ret", "return")
        || isIdentifier(t)
          && !isIdentifier(prev)
          && !eq(prev, ".")) {
        ifdef tok_findBeginningOfJavaXTerm_debug
        print("Returning " + i + " / " + t);
        endifdef
        ret i;
      }
    }
    i -= 2;
  }
  
  ret i;
}