@Override
      void generateCaseBody(String exceptionClass) {
        mv.visitTypeInsn(NEW, exceptionClass);
        mv.visitInsn(DUP_X1);
        mv.visitInsn(SWAP);

        mv.visitMethodInsn(INVOKESPECIAL, exceptionClass, CONSTRUCTOR_NAME, EXCEPTION_INIT_SIGNATURE, false);
      }
@Override
      void generateCaseBody(String exceptionClass)