private static <T> void appendCellValue(
     CellSetter<T>[] setters, boolean ignoreException, ClassWriter cw, String classType) {
   MethodVisitor mv;
   mv = cw.visitMethod(ACC_PUBLIC, "cellValue", "([CIII)V", null, null);
   mv.visitCode();
   if (setters.length != 0) {
     if (ignoreException) {
       callCellValue(mv, classType);
     } else {
       Label l0 = new Label();
       Label l1 = new Label();
       Label l2 = new Label();
       mv.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
       mv.visitLabel(l0);
       callCellValue(mv, classType);
       mv.visitLabel(l1);
       Label l3 = new Label();
       mv.visitJumpInsn(GOTO, l3);
       mv.visitLabel(l2);
       mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Exception"});
       mv.visitVarInsn(ASTORE, 5);
       mv.visitVarInsn(ALOAD, 0);
       mv.visitVarInsn(ILOAD, 4);
       mv.visitVarInsn(ALOAD, 5);
       mv.visitMethodInsn(
           INVOKEVIRTUAL, classType, "fieldError", "(ILjava/lang/Exception;)V", false);
       mv.visitLabel(l3);
       mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
     }
   }
   mv.visitInsn(RETURN);
   mv.visitMaxs(5, 6);
   mv.visitEnd();
 }
  private void writeNonAbstractMethodWrapper(
      ClassVisitor visitor, Type generatedType, Class<?> managedTypeClass, Method method) {
    Label start = new Label();
    Label end = new Label();
    Label handler = new Label();

    MethodVisitor methodVisitor = declareMethod(visitor, method);

    methodVisitor.visitTryCatchBlock(start, end, handler, null);

    setCanCallSettersField(methodVisitor, generatedType, false);

    methodVisitor.visitLabel(start);
    invokeSuperMethod(methodVisitor, managedTypeClass, method);
    methodVisitor.visitLabel(end);

    setCanCallSettersField(methodVisitor, generatedType, true);
    methodVisitor.visitInsn(ARETURN);

    methodVisitor.visitLabel(handler);
    setCanCallSettersField(methodVisitor, generatedType, true);
    methodVisitor.visitInsn(ATHROW);

    methodVisitor.visitMaxs(0, 0);
    methodVisitor.visitEnd();
  }