public static boolean sliceExpression(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "sliceExpression")) return false;
    if (!nextTokenIs(b, "<slice expression>", COLON, INTEGER_NUMBER)) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, SLICE_EXPRESSION, "<slice expression>");
    r = sliceExpression_0(b, l + 1);
    if (!r) r = sliceExpression_1(b, l + 1);
    if (!r) r = sliceExpression_2(b, l + 1);
    if (!r) r = sliceExpression_3(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean sliceExpression(PsiBuilder b, int l)