123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687 |
- //
- // Copyright 2019 The Abseil Authors.
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // https://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- #ifndef ABSL_FLAGS_CONFIG_H_
- #define ABSL_FLAGS_CONFIG_H_
- // Determine if we should strip string literals from the Flag objects.
- // By default we strip string literals on mobile platforms.
- #if !defined(ABSL_FLAGS_STRIP_NAMES)
- #if defined(__ANDROID__)
- #define ABSL_FLAGS_STRIP_NAMES 1
- #elif defined(__APPLE__)
- #include <TargetConditionals.h>
- #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
- #define ABSL_FLAGS_STRIP_NAMES 1
- #elif defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED
- #define ABSL_FLAGS_STRIP_NAMES 1
- #endif // TARGET_OS_*
- #endif
- #endif // !defined(ABSL_FLAGS_STRIP_NAMES)
- #if !defined(ABSL_FLAGS_STRIP_NAMES)
- // If ABSL_FLAGS_STRIP_NAMES wasn't set on the command line or above,
- // the default is not to strip.
- #define ABSL_FLAGS_STRIP_NAMES 0
- #endif
- #if !defined(ABSL_FLAGS_STRIP_HELP)
- // By default, if we strip names, we also strip help.
- #define ABSL_FLAGS_STRIP_HELP ABSL_FLAGS_STRIP_NAMES
- #endif
- // ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD macro is used for using atomics with
- // double words, e.g. absl::Duration.
- // For reasons in bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878, modern
- // versions of GCC do not support cmpxchg16b instruction in standard atomics.
- #ifdef ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD
- #error "ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD should not be defined."
- #elif defined(__clang__) && defined(__x86_64__) && \
- defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
- #define ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD 1
- #endif
- // ABSL_FLAGS_INTERNAL_HAS_RTTI macro is used for selecting if we can use RTTI
- // for flag type identification.
- #ifdef ABSL_FLAGS_INTERNAL_HAS_RTTI
- #error ABSL_FLAGS_INTERNAL_HAS_RTTI cannot be directly set
- #elif !defined(__GNUC__) || defined(__GXX_RTTI)
- #define ABSL_FLAGS_INTERNAL_HAS_RTTI 1
- #endif // !defined(__GNUC__) || defined(__GXX_RTTI)
- // These macros represent the "source of truth" for the list of supported
- // built-in types.
- #define ABSL_FLAGS_INTERNAL_BUILTIN_TYPES(A) \
- A(bool, bool) \
- A(short, short) \
- A(unsigned short, unsigned_short) \
- A(int, int) \
- A(unsigned int, unsigned_int) \
- A(long, long) \
- A(unsigned long, unsigned_long) \
- A(long long, long_long) \
- A(unsigned long long, unsigned_long_long) \
- A(double, double) \
- A(float, float)
- #define ABSL_FLAGS_INTERNAL_SUPPORTED_TYPES(A) \
- ABSL_FLAGS_INTERNAL_BUILTIN_TYPES(A) \
- A(std::string, std_string) \
- A(std::vector<std::string>, std_vector_of_string)
- #endif // ABSL_FLAGS_CONFIG_H_
|