@Override
public int writeCLInit(InstructionAdapter insts, String className) {
  insts.iconst(values.size());
  insts.newarray(Type.INT_TYPE);
  int curIndex = 0;
  for (Integer value : values) {
    insts.dup();
    insts.iconst(curIndex);
    insts.iconst(value);
    insts.astore(Type.INT_TYPE);
    ++curIndex;
  }
  insts.putstatic(className, fieldName, DESC);
  // Needs up to 4 stack slots for: the array ref for the putstatic, the dup of the array ref
  // for the store, the index, and the value to store.
  return 4;
}
 

private static void writeStaticClassInit(
    ClassWriter classWriter,
    String className,
    Collection<FieldInitializer> deferredInitializers) {
  MethodVisitor visitor =
      classWriter.visitMethod(
          Opcodes.ACC_STATIC, "<clinit>", "()V", null, /* signature */ null /* exceptions */);
  visitor.visitCode();
  int stackSlotsNeeded = 0;
  InstructionAdapter insts = new InstructionAdapter(visitor);
  for (FieldInitializer fieldInit : deferredInitializers) {
    stackSlotsNeeded = Math.max(stackSlotsNeeded, fieldInit.writeCLInit(insts, className));
  }
  insts.areturn(Type.VOID_TYPE);
  visitor.visitMaxs(stackSlotsNeeded, 0);
  visitor.visitEnd();
}
 

@Override
public int writeCLInit(InstructionAdapter insts, String className) {
  insts.iconst(value);
  insts.putstatic(className, fieldName, DESC);
  // Just needs one stack slot for the iconst.
  return 1;
}
 

/**
 * Write the bytecode for the clinit portion of initializer.
 *
 * @return the number of stack slots needed for the code.
 */
int writeCLInit(InstructionAdapter insts, String className);