// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine License
// Agreement.

#ifndef WVCDM_UTIL_UTIL_COMMON_H_
#define WVCDM_UTIL_UTIL_COMMON_H_

// This section deals with defines that are platform-specific.

#ifdef _WIN32

#  define CORE_UTIL_IGNORE_DEPRECATED
#  define CORE_UTIL_RESTORE_WARNINGS

#else

#  ifdef __GNUC__
#    define CORE_UTIL_IGNORE_DEPRECATED \
      _Pragma("GCC diagnostic push")    \
          _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
#    define CORE_UTIL_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
#  else
#    define CORE_UTIL_IGNORE_DEPRECATED
#    define CORE_UTIL_RESTORE_WARNINGS
#  endif

#endif

// This section deals with attribute-detection and is platform-agnostic.

#if !defined(__has_cpp_attribute)
#  define __has_cpp_attribute(x) 0
#endif

#if __has_cpp_attribute(fallthrough)
#  define CORE_UTIL_FALLTHROUGH [[fallthrough]]
#elif __has_cpp_attribute(clang::fallthrough)
#  define CORE_UTIL_FALLTHROUGH [[clang::fallthrough]]
#elif __has_cpp_attribute(gnu::fallthrough)
#  define CORE_UTIL_FALLTHROUGH [[gnu::fallthrough]]
#else
#  define CORE_UTIL_FALLTHROUGH
#endif

#endif  // WVCDM_UTIL_UTIL_COMMON_H_