diff options
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index 24851fa33ce4..46a84f1a76f6 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -63,6 +63,7 @@ #include <TargetConditionals.h> #endif +#include "absl/base/options.h" #include "absl/base/policy_checks.h" // ----------------------------------------------------------------------------- @@ -468,6 +469,68 @@ #define ABSL_HAVE_STD_STRING_VIEW 1 #endif +// ABSL_USES_STD_ANY +// +// Indicates whether absl::any is an alias for std::any. +#if !defined(ABSL_OPTION_USE_STD_ANY) +#error options.h is misconfigured. +#elif ABSL_OPTION_USE_STD_ANY == 0 || \ + (ABSL_OPTION_USE_STD_ANY == 2 && !defined(ABSL_HAVE_STD_ANY)) +#undef ABSL_USES_STD_ANY +#elif ABSL_OPTION_USE_STD_ANY == 1 || \ + (ABSL_OPTION_USE_STD_ANY == 2 && defined(ABSL_HAVE_STD_ANY)) +#define ABSL_USES_STD_ANY 1 +#else +#error options.h is misconfigured. +#endif + +// ABSL_USES_STD_OPTIONAL +// +// Indicates whether absl::optional is an alias for std::optional. +#if !defined(ABSL_OPTION_USE_STD_OPTIONAL) +#error options.h is misconfigured. +#elif ABSL_OPTION_USE_STD_OPTIONAL == 0 || \ + (ABSL_OPTION_USE_STD_OPTIONAL == 2 && !defined(ABSL_HAVE_STD_OPTIONAL)) +#undef ABSL_USES_STD_OPTIONAL +#elif ABSL_OPTION_USE_STD_OPTIONAL == 1 || \ + (ABSL_OPTION_USE_STD_OPTIONAL == 2 && defined(ABSL_HAVE_STD_OPTIONAL)) +#define ABSL_USES_STD_OPTIONAL 1 +#else +#error options.h is misconfigured. +#endif + +// ABSL_USES_STD_VARIANT +// +// Indicates whether absl::variant is an alias for std::variant. +#if !defined(ABSL_OPTION_USE_STD_VARIANT) +#error options.h is misconfigured. +#elif ABSL_OPTION_USE_STD_VARIANT == 0 || \ + (ABSL_OPTION_USE_STD_VARIANT == 2 && !defined(ABSL_HAVE_STD_VARIANT)) +#undef ABSL_USES_STD_VARIANT +#elif ABSL_OPTION_USE_STD_VARIANT == 1 || \ + (ABSL_OPTION_USE_STD_VARIANT == 2 && defined(ABSL_HAVE_STD_VARIANT)) +#define ABSL_USES_STD_VARIANT 1 +#else +#error options.h is misconfigured. +#endif + +// ABSL_USES_STD_STRING_VIEW +// +// Indicates whether absl::string_view is an alias for std::string_view. +#if !defined(ABSL_OPTION_USE_STD_STRING_VIEW) +#error options.h is misconfigured. +#elif ABSL_OPTION_USE_STD_STRING_VIEW == 0 || \ + (ABSL_OPTION_USE_STD_STRING_VIEW == 2 && \ + !defined(ABSL_HAVE_STD_STRING_VIEW)) +#undef ABSL_USES_STD_STRING_VIEW +#elif ABSL_OPTION_USE_STD_STRING_VIEW == 1 || \ + (ABSL_OPTION_USE_STD_STRING_VIEW == 2 && \ + defined(ABSL_HAVE_STD_STRING_VIEW)) +#define ABSL_USES_STD_STRING_VIEW 1 +#else +#error options.h is misconfigured. +#endif + // In debug mode, MSVC 2017's std::variant throws a EXCEPTION_ACCESS_VIOLATION // SEH exception from emplace for variant<SomeStruct> when constructing the // struct can throw. This defeats some of variant_test and |