// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#if defined(_WIN32) || defined(__CYGWIN__)
// Windows

#  if defined(_MSC_VER)
#    pragma warning(disable : 4251)
#  else
#    pragma GCC diagnostic ignored "-Wattributes"
#  endif

#  if defined(__cplusplus) && defined(__GNUC__) && !defined(__clang__)
// Use C++ attribute syntax where possible to avoid GCC parser bug
// (https://stackoverflow.com/questions/57993818/gcc-how-to-combine-attribute-dllexport-and-nodiscard-in-a-struct-de)
#    define ARROW_DLLEXPORT [[gnu::dllexport]]
#    define ARROW_DLLIMPORT [[gnu::dllimport]]
#  else
#    define ARROW_DLLEXPORT __declspec(dllexport)
#    define ARROW_DLLIMPORT __declspec(dllimport)
#  endif

// _declspec(dllexport) even when #included by a non-arrow source
#  define ARROW_FORCE_EXPORT ARROW_DLLEXPORT

#  ifdef ARROW_STATIC
#    define ARROW_EXPORT
#    define ARROW_FRIEND_EXPORT
#    define ARROW_TEMPLATE_EXPORT
#  elif defined(ARROW_EXPORTING)
#    define ARROW_EXPORT ARROW_DLLEXPORT
// For some reason [[gnu::dllexport]] doesn't work well with friend declarations
#    define ARROW_FRIEND_EXPORT __declspec(dllexport)
#    define ARROW_TEMPLATE_EXPORT ARROW_DLLEXPORT
#  else
#    define ARROW_EXPORT ARROW_DLLIMPORT
#    define ARROW_FRIEND_EXPORT __declspec(dllimport)
#    define ARROW_TEMPLATE_EXPORT ARROW_DLLIMPORT
#  endif

#  define ARROW_NO_EXPORT

#else

// Non-Windows

#  if defined(__cplusplus) && (defined(__GNUC__) || defined(__clang__))
#    ifndef ARROW_EXPORT
#      define ARROW_EXPORT [[gnu::visibility("default")]]
#    endif
#    ifndef ARROW_NO_EXPORT
#      define ARROW_NO_EXPORT [[gnu::visibility("hidden")]]
#    endif
// The C++ language does not have clear rules for how to export explicit template
// instantiations, and clang/gcc have differing syntax. See
// https://github.com/llvm/llvm-project/issues/29464 and
// https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0537r0.html
#    if defined(__clang__)
#      define ARROW_TEMPLATE_EXPORT
#    else
#      define ARROW_TEMPLATE_EXPORT ARROW_EXPORT
#    endif
#  else
// Not C++, or not gcc/clang
#    ifndef ARROW_EXPORT
#      define ARROW_EXPORT
#    endif
#    ifndef ARROW_NO_EXPORT
#      define ARROW_NO_EXPORT
#    endif
#    define ARROW_TEMPLATE_EXPORT
#  endif

#  define ARROW_FRIEND_EXPORT

// [[gnu::visibility("default")]] even when #included by a non-arrow source
#  define ARROW_FORCE_EXPORT [[gnu::visibility("default")]]

#endif  // Non-Windows
