public static boolean hier_part(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "hier_part")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, HIER_PART, "<hier part>");
    r = hier_part_0(b, l + 1);
    if (!r) r = path_absolute(b, l + 1);
    if (!r) r = path_rootless(b, l + 1);
    if (!r) r = path_empty(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean hier_part(PsiBuilder b, int l)