diff options
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index edbf22468ec5..c4e8dce403bb 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -66,6 +66,10 @@ #include "absl/base/options.h" #include "absl/base/policy_checks.h" +// Helper macro to convert a CPP variable to a string literal. +#define ABSL_INTERNAL_DO_TOKEN_STR(x) #x +#define ABSL_INTERNAL_TOKEN_STR(x) ABSL_INTERNAL_DO_TOKEN_STR(x) + // ----------------------------------------------------------------------------- // Abseil namespace annotations // ----------------------------------------------------------------------------- @@ -98,8 +102,6 @@ // Check that ABSL_OPTION_INLINE_NAMESPACE_NAME is neither "head" nor "" #if defined(__cplusplus) && ABSL_OPTION_USE_INLINE_NAMESPACE == 1 -#define ABSL_INTERNAL_DO_TOKEN_STR(x) #x -#define ABSL_INTERNAL_TOKEN_STR(x) ABSL_INTERNAL_DO_TOKEN_STR(x) #define ABSL_INTERNAL_INLINE_NAMESPACE_STR \ ABSL_INTERNAL_TOKEN_STR(ABSL_OPTION_INLINE_NAMESPACE_NAME) @@ -617,6 +619,28 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_INTERNAL_MSVC_2017_DBG_MODE #endif +// ABSL_INTERNAL_MANGLED_NS +// ABSL_INTERNAL_MANGLED_BACKREFERENCE +// +// Internal macros for building up mangled names in our internal fork of CCTZ. +// This implementation detail is only needed and provided for the MSVC build. +// +// These macros both expand to string literals. ABSL_INTERNAL_MANGLED_NS is +// the mangled spelling of the `absl` namespace, and +// ABSL_INTERNAL_MANGLED_BACKREFERENCE is a back-reference integer representing +// the proper count to skip past the CCTZ fork namespace names. (This number +// is one larger when there is an inline namespace name to skip.) +#if defined(_MSC_VER) +#if ABSL_OPTION_USE_INLINE_NAMESPACE == 0 +#define ABSL_INTERNAL_MANGLED_NS "absl" +#define ABSL_INTERNAL_MANGLED_BACKREFERENCE "5" +#else +#define ABSL_INTERNAL_MANGLED_NS \ + ABSL_INTERNAL_TOKEN_STR(ABSL_OPTION_INLINE_NAMESPACE_NAME) "@absl" +#define ABSL_INTERNAL_MANGLED_BACKREFERENCE "6" +#endif +#endif + #undef ABSL_INTERNAL_HAS_KEYWORD #endif // ABSL_BASE_CONFIG_H_ |