static void tryfinally(SkinnyMethodAdapter mv, Runnable codeBlock, Runnable finallyBlock) {
Label before = new Label(), after = new Label(), ensure = new Label(), done = new Label();
mv.trycatch(before, after, ensure, null);
mv.label(before);
codeBlock.run();
mv.label(after);
if (finallyBlock != null) finallyBlock.run();
mv.go_to(done);
if (finallyBlock != null) {
mv.label(ensure);
finallyBlock.run();
mv.athrow();
}
mv.label(done);
}
