public static void main(final String[] args) throws Exception {
if (args.length != 1) {
System.err.println("Usage: java com.sun.btrace.runtime.ErrorReturnInstrumentor <class>");
System.exit(1);
}
args[0] = args[0].replace('.', '/');
FileInputStream fis = new FileInputStream(args[0] + ".class");
ClassReader reader = new ClassReader(new BufferedInputStream(fis));
FileOutputStream fos = new FileOutputStream(args[0] + ".class");
ClassWriter writer = InstrumentUtils.newClassWriter();
InstrumentUtils.accept(
reader,
new ClassVisitor(Opcodes.ASM4, writer) {
public MethodVisitor visitMethod(
int access, String name, String desc, String signature, String[] exceptions) {
MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
return new ErrorReturnInstrumentor(mv, null, args[0], args[0], access, name, desc);
}
});
fos.write(writer.toByteArray());
}
public static void main(String[] args) throws Exception {
if (args.length != 1) {
System.err.println("Usage: java com.sun.btrace.runtime.RunnableGenartor <class>");
System.exit(1);
}
Class clazz = Class.forName(args[0]);
Method[] methods = clazz.getDeclaredMethods();
for (Method method : methods) {
int modifiers = method.getModifiers();
int index = 0;
RunnableGenerator gen = new RunnableGeneratorImpl();
if (Modifier.isStatic(modifiers)
|| Modifier.isPublic(modifiers)
|| method.getParameterTypes().length == 0) {
try {
final String className = "Runnable$" + index;
final byte[] bytes = gen.generate(method, className);
ClassLoader loader =
new ClassLoader() {
public Class findClass(String name) throws ClassNotFoundException {
if (name.equals(className)) {
return defineClass(className, bytes, 0, bytes.length);
}
throw new ClassNotFoundException(name);
}
};
Runnable r = (Runnable) loader.loadClass(className).newInstance();
new Thread(r).start();
} catch (Exception exp) {
exp.printStackTrace();
}
}
index++;
}
}
