final File outputClassFile = getOutputClassFile(qname
+ "_output", outputRootDir);
ASFilterWriter writer = backend.createWriterBuffer(project);
IASEmitter emitter = backend.createEmitter(writer);
IASBlockWalker walker = backend.createWalker(project,
errors, emitter);
walker.visitCompilationUnit(cu);
//System.out.println(writer.toString());
BufferedOutputStream out = new BufferedOutputStream(
new FileOutputStream(outputClassFile));