public static boolean literal(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "literal")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _COLLAPSE_, LITERAL, "<literal>");
    r = string_literal(b, l + 1);
    if (!r) r = number_literal(b, l + 1);
    if (!r) r = boolean_literal(b, l + 1);
    if (!r) r = null_literal(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean literal(PsiBuilder b, int l)