public static boolean return_statement(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "return_statement")) return false;
    if (!nextTokenIs(b, KW_RETURN)) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeToken(b, KW_RETURN);
    r = r && return_statement_1(b, l + 1);
    exit_section_(b, m, RETURN_STATEMENT, r);
    return r;
  }
public static boolean return_statement(PsiBuilder b, int l)