public static boolean string_literal(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "string_literal")) return false;
    if (!nextTokenIs(b, "<string literal>", DOUBLE_QUOTED_STRING, SINGLE_QUOTED_STRING)) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, STRING_LITERAL, "<string literal>");
    r = consumeToken(b, SINGLE_QUOTED_STRING);
    if (!r) r = consumeToken(b, DOUBLE_QUOTED_STRING);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean string_literal(PsiBuilder b, int l)