// WARNING: This file is machine generated by fidlgen.

#include <test/nullable/cpp/fidl.h>

#include "lib/fidl/cpp/internal/implementation.h"

//
// Domain objects definitions
//
namespace test {
namespace nullable {
extern "C" const fidl_type_t test_nullable_StructWithNullableVectorTable;
const fidl_type_t* StructWithNullableVector::FidlType = &test_nullable_StructWithNullableVectorTable;

void StructWithNullableVector::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                      cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableVector>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableVector>(_offset), this, sizeof(StructWithNullableVector));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0);
  }
}

void StructWithNullableVector::Decode(::fidl::Decoder* _decoder, StructWithNullableVector* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableVector>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableVector>(_offset), sizeof(StructWithNullableVector));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableVector::Clone(StructWithNullableVector* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

extern "C" const fidl_type_t test_nullable_StructWithNullableUnionTable;
const fidl_type_t* StructWithNullableUnion::FidlType = &test_nullable_StructWithNullableUnionTable;

void StructWithNullableUnion::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                     cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableUnion>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableUnion>(_offset), this, sizeof(StructWithNullableUnion));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0);
  }
}

void StructWithNullableUnion::Decode(::fidl::Decoder* _decoder, StructWithNullableUnion* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableUnion>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableUnion>(_offset), sizeof(StructWithNullableUnion));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableUnion::Clone(StructWithNullableUnion* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

extern "C" const fidl_type_t test_nullable_StructWithNullableStructTable;
const fidl_type_t* StructWithNullableStruct::FidlType = &test_nullable_StructWithNullableStructTable;

void StructWithNullableStruct::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                      cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableStruct>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableStruct>(_offset), this, sizeof(StructWithNullableStruct));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0);
  }
}

void StructWithNullableStruct::Decode(::fidl::Decoder* _decoder, StructWithNullableStruct* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableStruct>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableStruct>(_offset), sizeof(StructWithNullableStruct));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableStruct::Clone(StructWithNullableStruct* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

extern "C" const fidl_type_t test_nullable_StructWithNullableStringTable;
const fidl_type_t* StructWithNullableString::FidlType = &test_nullable_StructWithNullableStringTable;

void StructWithNullableString::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                      cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableString>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableString>(_offset), this, sizeof(StructWithNullableString));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0);
  }
}

void StructWithNullableString::Decode(::fidl::Decoder* _decoder, StructWithNullableString* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableString>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableString>(_offset), sizeof(StructWithNullableString));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableString::Clone(StructWithNullableString* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

#ifdef __Fuchsia__

extern "C" const fidl_type_t test_nullable_StructWithNullableRequestTable;
const fidl_type_t* StructWithNullableRequest::FidlType = &test_nullable_StructWithNullableRequestTable;

void StructWithNullableRequest::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                       cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableRequest>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableRequest>(_offset), this, sizeof(StructWithNullableRequest));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0, ::fidl::HandleInformation{
                                                    .object_type = ZX_OBJ_TYPE_CHANNEL,
                                                    .rights = ZX_DEFAULT_CHANNEL_RIGHTS,
                                                });
  }
}

void StructWithNullableRequest::Decode(::fidl::Decoder* _decoder, StructWithNullableRequest* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableRequest>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableRequest>(_offset), sizeof(StructWithNullableRequest));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableRequest::Clone(StructWithNullableRequest* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}
#endif  // __Fuchsia__

#ifdef __Fuchsia__

extern "C" const fidl_type_t test_nullable_StructWithNullableProtocolTable;
const fidl_type_t* StructWithNullableProtocol::FidlType = &test_nullable_StructWithNullableProtocolTable;

void StructWithNullableProtocol::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                        cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableProtocol>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableProtocol>(_offset), this, sizeof(StructWithNullableProtocol));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0, ::fidl::HandleInformation{
                                                    .object_type = ZX_OBJ_TYPE_CHANNEL,
                                                    .rights = ZX_DEFAULT_CHANNEL_RIGHTS,
                                                });
  }
}

void StructWithNullableProtocol::Decode(::fidl::Decoder* _decoder, StructWithNullableProtocol* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableProtocol>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableProtocol>(_offset), sizeof(StructWithNullableProtocol));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableProtocol::Clone(StructWithNullableProtocol* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}
#endif  // __Fuchsia__

#ifdef __Fuchsia__

extern "C" const fidl_type_t test_nullable_StructWithNullableHandleTable;
const fidl_type_t* StructWithNullableHandle::FidlType = &test_nullable_StructWithNullableHandleTable;

void StructWithNullableHandle::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                      cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableHandle>::value) {
    memcpy(_encoder->template GetPtr<StructWithNullableHandle>(_offset), this, sizeof(StructWithNullableHandle));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0, ::fidl::HandleInformation{
                                                    .object_type = ZX_OBJ_TYPE_VMO,
                                                    .rights = 0x80000000,
                                                });
  }
}

void StructWithNullableHandle::Decode(::fidl::Decoder* _decoder, StructWithNullableHandle* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<StructWithNullableHandle>::value) {
    memcpy(_value, _decoder->template GetPtr<StructWithNullableHandle>(_offset), sizeof(StructWithNullableHandle));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t StructWithNullableHandle::Clone(StructWithNullableHandle* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}
#endif  // __Fuchsia__

extern "C" const fidl_type_t test_nullable_SimpleUnionTable;
const fidl_type_t* SimpleUnion::FidlType = &test_nullable_SimpleUnionTable;

SimpleUnion::SimpleUnion() {}

SimpleUnion::~SimpleUnion() {
  Destroy();
}

SimpleUnion::SimpleUnion(SimpleUnion&& other) : tag_(other.tag_) {
  switch (tag_) {
    case ::test::nullable::SimpleUnion::Tag::kA:
      a_ = std::move(other.a_);
      break;
    case ::test::nullable::SimpleUnion::Tag::kB:
      b_ = std::move(other.b_);
      break;
    case static_cast<fidl_xunion_tag_t>(::test::nullable::SimpleUnion::Tag::Invalid):
      break;
  }
}

SimpleUnion& SimpleUnion::operator=(SimpleUnion&& other) {
  if (this != &other) {
    Destroy();
    tag_ = other.tag_;
    switch (tag_) {
      case ::test::nullable::SimpleUnion::Tag::kA:
        a_ = std::move(other.a_);
        break;
      case ::test::nullable::SimpleUnion::Tag::kB:
        b_ = std::move(other.b_);
        break;
      case static_cast<fidl_xunion_tag_t>(::test::nullable::SimpleUnion::Tag::Invalid):
        break;
    }
  }
  return *this;
}

SimpleUnion SimpleUnion::WithA(int32_t&& val) {
  SimpleUnion result;
  result.set_a(std::move(val));
  return result;
}
SimpleUnion SimpleUnion::WithB(float&& val) {
  SimpleUnion result;
  result.set_b(std::move(val));
  return result;
}

void SimpleUnion::Encode(::fidl::Encoder* encoder, size_t offset,
                         cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  const size_t length_before = encoder->CurrentLength();
  const size_t handles_before = encoder->CurrentHandleCount();

  switch (Which()) {
    case ::test::nullable::SimpleUnion::Tag::kA: {
      if (::fidl::EncodingInlineSize<int32_t>(encoder) <= FIDL_ENVELOPE_INLINING_SIZE_THRESHOLD) {
        ::fidl::Encode(encoder, &a_, offset + offsetof(fidl_xunion_v2_t, envelope));

        fidl_xunion_v2_t* xunion = encoder->GetPtr<fidl_xunion_v2_t>(offset);
        xunion->tag = tag_;
        xunion->envelope.num_handles = static_cast<uint16_t>(encoder->CurrentHandleCount() - handles_before);
        xunion->envelope.flags = FIDL_ENVELOPE_FLAGS_INLINING_MASK;
        break;
      }

      ::fidl::Encode(
          encoder,
          &a_,
          encoder->Alloc(::fidl::EncodingInlineSize<int32_t, ::fidl::Encoder>(encoder)));

      fidl_xunion_v2_t* xunion = encoder->GetPtr<fidl_xunion_v2_t>(offset);
      xunion->tag = tag_;
      xunion->envelope.num_bytes = static_cast<uint32_t>(encoder->CurrentLength() - length_before);
      xunion->envelope.num_handles = static_cast<uint16_t>(encoder->CurrentHandleCount() - handles_before);
      xunion->envelope.flags = 0;
      break;
    }
    case ::test::nullable::SimpleUnion::Tag::kB: {
      if (::fidl::EncodingInlineSize<float>(encoder) <= FIDL_ENVELOPE_INLINING_SIZE_THRESHOLD) {
        ::fidl::Encode(encoder, &b_, offset + offsetof(fidl_xunion_v2_t, envelope));

        fidl_xunion_v2_t* xunion = encoder->GetPtr<fidl_xunion_v2_t>(offset);
        xunion->tag = tag_;
        xunion->envelope.num_handles = static_cast<uint16_t>(encoder->CurrentHandleCount() - handles_before);
        xunion->envelope.flags = FIDL_ENVELOPE_FLAGS_INLINING_MASK;
        break;
      }

      ::fidl::Encode(
          encoder,
          &b_,
          encoder->Alloc(::fidl::EncodingInlineSize<float, ::fidl::Encoder>(encoder)));

      fidl_xunion_v2_t* xunion = encoder->GetPtr<fidl_xunion_v2_t>(offset);
      xunion->tag = tag_;
      xunion->envelope.num_bytes = static_cast<uint32_t>(encoder->CurrentLength() - length_before);
      xunion->envelope.num_handles = static_cast<uint16_t>(encoder->CurrentHandleCount() - handles_before);
      xunion->envelope.flags = 0;
      break;
    }
    default:
      break;
  }
}

void SimpleUnion::Decode(::fidl::Decoder* _decoder, SimpleUnion* value, size_t offset) {
  fidl_xunion_v2_t* xunion = _decoder->GetPtr<fidl_xunion_v2_t>(offset);

  if (xunion->envelope.num_bytes == 0 &&
      xunion->envelope.num_handles == 0 &&
      xunion->envelope.flags == 0) {
    value->EnsureStorageInitialized(static_cast<fidl_xunion_tag_t>(::test::nullable::SimpleUnion::Tag::Invalid));
    return;
  }

  value->EnsureStorageInitialized(xunion->tag);

  size_t value_offset = _decoder->EnvelopeValueOffset(&xunion->envelope);

  switch (value->tag_) {
    case ::test::nullable::SimpleUnion::Tag::kA: {
      ::fidl::Decode(_decoder, &value->a_, value_offset);
      break;
    }
    case ::test::nullable::SimpleUnion::Tag::kB: {
      ::fidl::Decode(_decoder, &value->b_, value_offset);
      break;
    }
    default: {
      break;
    }
  }
}

zx_status_t SimpleUnion::Clone(SimpleUnion* result) const {
  result->Destroy();
  result->tag_ = tag_;
  switch (tag_) {
    case ::test::nullable::SimpleUnion::Tag::Invalid:
      return ZX_OK;
    case ::test::nullable::SimpleUnion::Tag::kA:
      return ::fidl::Clone(a_, &result->a_);
    case ::test::nullable::SimpleUnion::Tag::kB:
      return ::fidl::Clone(b_, &result->b_);
    default:
      return ZX_OK;
  }
}

SimpleUnion& SimpleUnion::set_a(int32_t value) {
  EnsureStorageInitialized(::test::nullable::SimpleUnion::Tag::kA);
  a_ = std::move(value);
  return *this;
}

SimpleUnion& SimpleUnion::set_b(float value) {
  EnsureStorageInitialized(::test::nullable::SimpleUnion::Tag::kB);
  b_ = std::move(value);
  return *this;
}

void SimpleUnion::Destroy() {
  switch (tag_) {
    case ::test::nullable::SimpleUnion::Tag::kA:
      break;
    case ::test::nullable::SimpleUnion::Tag::kB:
      break;

    default:
      break;
  }
  tag_ = static_cast<fidl_xunion_tag_t>(::test::nullable::SimpleUnion::Tag::Invalid);
}

void SimpleUnion::EnsureStorageInitialized(::fidl_xunion_tag_t tag) {
  if (tag_ != tag) {
    Destroy();
    tag_ = tag;
    switch (tag_) {
      case static_cast<fidl_xunion_tag_t>(::test::nullable::SimpleUnion::Tag::Invalid):
        break;
      case ::test::nullable::SimpleUnion::Tag::kA:
        new (&a_) int32_t();
        break;
      case ::test::nullable::SimpleUnion::Tag::kB:
        new (&b_) float();
        break;
      default:
        break;
    }
  }
}

extern "C" const fidl_type_t test_nullable_SimpleProtocolAddTopResponseTable;
const fidl_type_t* SimpleProtocolAddTopResponse::FidlType = &test_nullable_SimpleProtocolAddTopResponseTable;

void SimpleProtocolAddTopResponse::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                          cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<SimpleProtocolAddTopResponse>::value) {
    memcpy(_encoder->template GetPtr<SimpleProtocolAddTopResponse>(_offset), this, sizeof(SimpleProtocolAddTopResponse));
  } else {
    ::fidl::Encode(_encoder, &sum, _offset + 0);
  }
}

void SimpleProtocolAddTopResponse::Decode(::fidl::Decoder* _decoder, SimpleProtocolAddTopResponse* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<SimpleProtocolAddTopResponse>::value) {
    memcpy(_value, _decoder->template GetPtr<SimpleProtocolAddTopResponse>(_offset), sizeof(SimpleProtocolAddTopResponse));
  } else {
    ::fidl::Decode(_decoder, &_value->sum, _offset + 0);
  }
}

zx_status_t SimpleProtocolAddTopResponse::Clone(SimpleProtocolAddTopResponse* _result) const {
  zx_status_t _status = ::fidl::Clone(sum, &_result->sum);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

extern "C" const fidl_type_t test_nullable_SimpleProtocolAddRequestTable;
const fidl_type_t* SimpleProtocolAddRequest::FidlType = &test_nullable_SimpleProtocolAddRequestTable;

void SimpleProtocolAddRequest::Encode(::fidl::Encoder* _encoder, size_t _offset,
                                      cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<SimpleProtocolAddRequest>::value) {
    memcpy(_encoder->template GetPtr<SimpleProtocolAddRequest>(_offset), this, sizeof(SimpleProtocolAddRequest));
  } else {
    ::fidl::Encode(_encoder, &a, _offset + 0);
    ::fidl::Encode(_encoder, &b, _offset + 4);
  }
}

void SimpleProtocolAddRequest::Decode(::fidl::Decoder* _decoder, SimpleProtocolAddRequest* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<SimpleProtocolAddRequest>::value) {
    memcpy(_value, _decoder->template GetPtr<SimpleProtocolAddRequest>(_offset), sizeof(SimpleProtocolAddRequest));
  } else {
    ::fidl::Decode(_decoder, &_value->a, _offset + 0);
    ::fidl::Decode(_decoder, &_value->b, _offset + 4);
  }
}

zx_status_t SimpleProtocolAddRequest::Clone(SimpleProtocolAddRequest* _result) const {
  zx_status_t _status = ::fidl::Clone(a, &_result->a);
  if (_status != ZX_OK)
    return _status;
  _status = ::fidl::Clone(b, &_result->b);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

extern "C" const fidl_type_t test_nullable_Int32WrapperTable;
const fidl_type_t* Int32Wrapper::FidlType = &test_nullable_Int32WrapperTable;

void Int32Wrapper::Encode(::fidl::Encoder* _encoder, size_t _offset,
                          cpp17::optional<::fidl::HandleInformation> maybe_handle_info) {
  if (::fidl::IsMemcpyCompatible<Int32Wrapper>::value) {
    memcpy(_encoder->template GetPtr<Int32Wrapper>(_offset), this, sizeof(Int32Wrapper));
  } else {
    ::fidl::Encode(_encoder, &val, _offset + 0);
  }
}

void Int32Wrapper::Decode(::fidl::Decoder* _decoder, Int32Wrapper* _value, size_t _offset) {
  if (::fidl::IsMemcpyCompatible<Int32Wrapper>::value) {
    memcpy(_value, _decoder->template GetPtr<Int32Wrapper>(_offset), sizeof(Int32Wrapper));
  } else {
    ::fidl::Decode(_decoder, &_value->val, _offset + 0);
  }
}

zx_status_t Int32Wrapper::Clone(Int32Wrapper* _result) const {
  zx_status_t _status = ::fidl::Clone(val, &_result->val);
  if (_status != ZX_OK)
    return _status;
  return ZX_OK;
}

//
// Proxies and stubs definitions
//
#ifdef __Fuchsia__

namespace _internal {
__LOCAL extern "C" const fidl_type_t test_nullable_SimpleProtocolAddRequestTable;
__LOCAL extern "C" const fidl_type_t test_nullable_SimpleProtocolAddTopResponseTable;

}  // namespace _internal
SimpleProtocol::~SimpleProtocol() = default;

const fidl_type_t* ::test::nullable::SimpleProtocol_RequestDecoder::GetType(uint64_t ordinal, bool* out_needs_response) {
  *out_needs_response = false;
  switch (ordinal) {
    case ::test::nullable::internal::kSimpleProtocol_Add_Ordinal:
      *out_needs_response = true;
      return &::test::nullable::_internal::test_nullable_SimpleProtocolAddRequestTable;
      ;
    default:
      return nullptr;
  }
}

const fidl_type_t* SimpleProtocol_ResponseDecoder::GetType(uint64_t ordinal) {
  switch (ordinal) {
    case ::test::nullable::internal::kSimpleProtocol_Add_Ordinal:
      return &::test::nullable::_internal::test_nullable_SimpleProtocolAddTopResponseTable;
      ;
    default:
      return nullptr;
  }
}

SimpleProtocol_EventSender::~SimpleProtocol_EventSender() = default;

SimpleProtocol_Sync::~SimpleProtocol_Sync() = default;

SimpleProtocol_Proxy::SimpleProtocol_Proxy(::fidl::internal::ProxyController* controller)
    : controller_(controller) {
  (void)controller_;
}

SimpleProtocol_Proxy::~SimpleProtocol_Proxy() = default;

zx_status_t SimpleProtocol_Proxy::Dispatch_(::fidl::HLCPPIncomingMessage message) {
  zx_status_t status = ZX_OK;
  switch (message.ordinal()) {
    default: {
      status = ZX_ERR_NOT_SUPPORTED;
      break;
    }
  }
  return status;
}

namespace {

::std::unique_ptr<::fidl::internal::SingleUseMessageHandler>
SimpleProtocol_Add_ResponseHandler(SimpleProtocol::AddCallback&& callback) {
  ZX_DEBUG_ASSERT_MSG(callback,
                      "Callback must not be empty for SimpleProtocol::Add\n");
  return ::std::make_unique<::fidl::internal::SingleUseMessageHandler>(
      [callback_ = std::move(callback)](::fidl::HLCPPIncomingMessage&& message) {
        ::fidl::Decoder decoder(std::move(message));
        callback_(::fidl::DecodeAs<int32_t>(&decoder, 0 + sizeof(fidl_message_header_t)));
        return ZX_OK;
      },
      &::test::nullable::_internal::test_nullable_SimpleProtocolAddTopResponseTable);
}

}  // namespace
void SimpleProtocol_Proxy::Add(int32_t a, int32_t b, AddCallback callback) {
  ::fidl::MessageEncoder _encoder(::test::nullable::internal::kSimpleProtocol_Add_Ordinal, ::test::nullable::internal::kSimpleProtocol_Add_DynamicFlags);
  const fidl_type_t* req_type = &::test::nullable::_internal::test_nullable_SimpleProtocolAddRequestTable;
  controller_->Send(req_type, ::test::nullable::SimpleProtocol_RequestEncoder::Add(&_encoder, &a, &b), SimpleProtocol_Add_ResponseHandler(std::move(callback)));
}

SimpleProtocol_Stub::SimpleProtocol_Stub(::test::nullable::SimpleProtocol_Stub::SimpleProtocol_clazz* impl) : impl_(impl) {
  (void)impl_;
}

SimpleProtocol_Stub::~SimpleProtocol_Stub() = default;

namespace {

class SimpleProtocol_Add_Responder final {
 public:
  SimpleProtocol_Add_Responder(::fidl::internal::PendingResponse response)
      : response_(std::move(response)) {}

  void operator()(int32_t sum) {
    ::fidl::MessageEncoder _encoder(::test::nullable::internal::kSimpleProtocol_Add_Ordinal, ::test::nullable::internal::kSimpleProtocol_Add_DynamicFlags);
    const fidl_type_t* resp_type = &::test::nullable::_internal::test_nullable_SimpleProtocolAddTopResponseTable;
    response_.Send(resp_type, ::test::nullable::SimpleProtocol_ResponseEncoder::Add(&_encoder, &sum));
  }

 private:
  ::fidl::internal::PendingResponse response_;
};

}  // namespace

zx_status_t SimpleProtocol_Stub::Dispatch_(
    ::fidl::HLCPPIncomingMessage message,
    ::fidl::internal::PendingResponse response) {
  bool needs_response;
  const fidl_type_t* request_type = ::test::nullable::SimpleProtocol_RequestDecoder::GetType(message.ordinal(), &needs_response);
  if (!message.has_only_header()) {
    if (request_type == nullptr) {
      return ZX_ERR_NOT_SUPPORTED;
    }
    const char* error_msg = nullptr;
    zx_status_t status = message.Decode(request_type, &error_msg);
    if (status != ZX_OK) {
      FIDL_REPORT_DECODING_ERROR(message, request_type, error_msg);
      return status;
    }
  }

  if (response.needs_response() != needs_response) {
    if (needs_response) {
      FIDL_REPORT_DECODING_ERROR(message, request_type, "Message needing a response with no txid");
    } else {
      FIDL_REPORT_DECODING_ERROR(message, request_type, "Message not needing a response with a txid");
    }
    return ZX_ERR_INVALID_ARGS;
  }

  uint64_t ordinal = message.ordinal();
  switch (ordinal) {
    case ::test::nullable::internal::kSimpleProtocol_Add_Ordinal: {
      ::fidl::Decoder decoder(std::move(message));
      impl_->Add(::fidl::DecodeAs<int32_t>(&decoder, 0 + sizeof(fidl_message_header_t)), ::fidl::DecodeAs<int32_t>(&decoder, 4 + sizeof(fidl_message_header_t)), SimpleProtocol_Add_Responder(std::move(response)));
      break;
    }
    default: {
      return ZX_ERR_NOT_SUPPORTED;
    }
  }
  return ZX_OK;
}

SimpleProtocol_SyncProxy::SimpleProtocol_SyncProxy(::zx::channel channel)
    : proxy_(::std::move(channel)) {}

SimpleProtocol_SyncProxy::~SimpleProtocol_SyncProxy() = default;

zx_status_t SimpleProtocol_SyncProxy::Add(int32_t a, int32_t b, int32_t* out_sum) {
  ::fidl::MessageEncoder _encoder(::test::nullable::internal::kSimpleProtocol_Add_Ordinal, ::test::nullable::internal::kSimpleProtocol_Add_DynamicFlags);
  ::fidl::IncomingMessageBuffer buffer_;
  ::fidl::HLCPPIncomingMessage response_ = buffer_.CreateEmptyIncomingMessage();
  const fidl_type_t* req_type = &::test::nullable::_internal::test_nullable_SimpleProtocolAddRequestTable;
  const fidl_type_t* resp_type = &::test::nullable::_internal::test_nullable_SimpleProtocolAddTopResponseTable;
  zx_status_t status_ = proxy_.Call(req_type, resp_type, ::test::nullable::SimpleProtocol_RequestEncoder::Add(&_encoder, &a, &b), &response_);
  if (status_ != ZX_OK)
    return status_;
  ::fidl::Decoder decoder_(std::move(response_));
  *out_sum = ::fidl::DecodeAs<int32_t>(&decoder_, 0 + sizeof(fidl_message_header_t));
  return ZX_OK;
}
#endif  // __Fuchsia__

}  // namespace nullable
}  // namespace test