static O transpileRaw_trans;
static O transpileRaw_silent = true;
static bool transpileRaw_useDiskCache;

static synchronized S transpileRaw(S mainJava) {
  File cacheFile = null;
  if (transpileRaw_useDiskCache) {
    S md5 = md5(mainJava);
    cacheFile = new File(javaxCodeDir(), "Transpilations/" + md5 + ".java");
    try answer loadTextFile(cacheFile);
  }
  
  if (transpileRaw_trans == null)
    // Note: we sync the whole main class on this
    // todo: hotwire this one centrally (if we are in spontaneous code in Random v10 etc)
    transpileRaw_trans = hotwireSilently("#759");
    
  setOpt(transpileRaw_trans, "print_silent", transpileRaw_silent);

  set(transpileRaw_trans, "mainJava", mainJava);
  callMain(transpileRaw_trans);
  S main = cast get(transpileRaw_trans, "mainJava");
  if (transpileRaw_useDiskCache)
    saveTextFile(cacheFile, main);
  ret main;
}