private void updateStatus(boolean res) {
    anyFilesProcessed |= res;
  }
Processes one pathname element.

@param pathname {@code non-null;} the pathname to process. May be the path of a class file, a
    jar file, or a directory containing class files.
@param filter {@code non-null;} A filter for excluding files.
android/android_framework/dex-maker/src/main/java/com/android/dx/command/dexer/Main.java