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Diffstat (limited to 'absl/base/attributes.h')
| -rw-r--r-- | absl/base/attributes.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/absl/base/attributes.h b/absl/base/attributes.h index 3e5aafba..34a35538 100644 --- a/absl/base/attributes.h +++ b/absl/base/attributes.h @@ -685,6 +685,28 @@ #define ABSL_DEPRECATED(message) #endif +// When deprecating Abseil code, it is sometimes necessary to turn off the +// warning within Abseil, until the deprecated code is actually removed. The +// deprecated code can be surrounded with these directives to acheive that +// result. +// +// class ABSL_DEPRECATED("Use Bar instead") Foo; +// +// ABSL_INTERNAL_DISABLE_DEPRECATED_DECLARATION_WARNING +// Baz ComputeBazFromFoo(Foo f); +// ABSL_INTERNAL_RESTORE_DEPRECATED_DECLARATION_WARNING +#ifdef __GNUC__ +// Clang also supports these GCC pragmas. +#define ABSL_INTERNAL_DISABLE_DEPRECATED_DECLARATION_WARNING \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#define ABSL_INTERNAL_RESTORE_DEPRECATED_DECLARATION_WARNING \ + _Pragma("GCC diagnostic pop") +#else +#define ABSL_INTERNAL_DISABLE_DEPRECATED_DECLARATION_WARNING +#define ABSL_INTERNAL_RESTORE_DEPRECATED_DECLARATION_WARNING +#endif // __GNUC__ + // ABSL_CONST_INIT // // A variable declaration annotated with the `ABSL_CONST_INIT` attribute will |