Merge "Annotate fallthrough in OEC Testbed" into sc-dev am: 640e8727dc

Original change: https://googleplex-android-review.googlesource.com/c/platform/vendor/widevine/+/13849252

Change-Id: Ie9a0becbd3052bf8e5296cfbec00ebc0f03746a0
This commit is contained in:
TreeHugger Robot
2021-03-19 08:23:21 +00:00
committed by Automerger Merge Worker

View File

@@ -5,20 +5,27 @@
#ifndef WVCDM_UTIL_UTIL_COMMON_H_
#define WVCDM_UTIL_UTIL_COMMON_H_
// This section deals with defines that are platform-specific.
#ifdef _WIN32
# ifdef CORE_UTIL_IMPLEMENTATION
# define CORE_UTIL_EXPORT __declspec(dllexport)
# else
# define CORE_UTIL_EXPORT __declspec(dllimport)
# endif
# define CORE_UTIL_IGNORE_DEPRECATED
# define CORE_UTIL_RESTORE_WARNINGS
#else
# ifdef CORE_UTIL_IMPLEMENTATION
# define CORE_UTIL_EXPORT __attribute__((visibility("default")))
# else
# define CORE_UTIL_EXPORT
# endif
# ifdef __GNUC__
# define CORE_UTIL_IGNORE_DEPRECATED \
_Pragma("GCC diagnostic push") \
@@ -28,6 +35,23 @@
# 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_