sS transpile_inStringEval(S t) {
  t = dropPrefix("\"", dropSuffix("\"", t));
  new L<S> l;
  int idx;
  while ((idx = t.indexOf("\\*")) >= 0) {
    int j = indexOf(t, idx, "*/");
    if (j < 0) break;
    if (idx > 0)
      l.add("\"" + substring(t, 0, idx) + "\"");
    S code = trim(substring(t, idx+2, j));
    l.add(isIdentifier(code) ? code : "(" + code + ")");
    t = substring(t, j+2);
  }
  if (nempty(t))
    l.add("\"" + t + "\"");
  ret "(" + join(" + ", l) + ")";
}