Preprocessor.logger.severe(e.toString());
e.printStackTrace(System.err);
pp.printSourceStack(System.err);
crash = new LexerError(e.toString(), "", -1, -1);
} finally {
pp.debugPreprocessorDone();
if (output != null)
output.flush();
if (output != null && !options.isLexPrintToStdout())
output.close();
}