sS dm_processEmbeddedSafeEvals(S s) {
  if (!contains(s, "{=")) ret s;
  LS tok = javaTok(s);
  Map<Int> bracketMap = curlyBracketMap(tok);
  for (int i = 1; i < l(tok)-4; i += 2) {
    continue unless eq(tok.get(i), "{") && eqGet(tok, i+1, "") && eqGet(tok, i+2, "=");
    // eval found
    
    int j = or(bracketMap.get(i), l(tok));
    S code = joinSubList(tok, i+4, j-1);
    
    if (!isSafeCodeFragment(code))
      replaceTokens(tok, i+2, i+4, "UNSAFE: ");
    else
      replaceTokens(tok, i, j+1, str(dm_javaEvalOrInterpret(code)));
      
    i = j-2;
  }
  ret join(tok);
}