1// Copyright (c) 2019, Google Inc.
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29
30#ifndef BREAKPAD_COMMON_MACROS_H_
31#define BREAKPAD_COMMON_MACROS_H_
32
33// Ensure that this macro definition stays in a private header file: clang
34// suggests the first macro expanding to [[clang::fallthrough]] in its
35// diagnostics, so if BP_FALLTHROUGH is visible in code depending on breakpad,
36// clang would suggest BP_FALLTHROUGH for code depending on breakpad, instead of
37// the client code's own fallthrough macro.
38// TODO(thakis): Once everyone uses C++17, use its [[fallthrough]] instead.
39#if defined(__clang__)
40#define BP_FALLTHROUGH [[clang::fallthrough]]
41#else
42#define BP_FALLTHROUGH
43#endif
44
45#endif // BREAKPAD_COMMON_MACROS_H_
46