boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "old_arithmetic_expansion_expression")) return false; boolean r; Marker m = enter_section_(b, l, _NONE_); r = expression(b, l + 1, -1); exit_section_(b, l, m, r, false, ShParser::old_arithmetic_expansion_expression_recover); return r; }