/
port_def.inc
1177 lines (1077 loc) · 42.2 KB
/
port_def.inc
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// -*- c++ -*-
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
// This file defines common macros that are used in protobuf.
//
// To hide these definitions from the outside world (and to prevent collisions
// if more than one version of protobuf is #included in the same project) you
// must follow this pattern when #including port_def.inc in a header file:
//
// #include "other_header.h"
// #include "message.h"
// // etc.
//
// #include "port_def.inc" // MUST be last header included
//
// // Definitions for this header.
//
// #include "port_undef.inc"
//
// This is a textual header with no include guard, because we want to
// detect/prohibit anytime it is #included twice without a corresponding
// #undef.
#ifdef PROTOBUF_PORT_
#error "port_def.inc included multiple times"
#endif
#define PROTOBUF_PORT_
#include "absl/base/attributes.h"
#include "absl/base/config.h"
// The definitions in this file are intended to be portable across Clang,
// GCC, and MSVC. Function-like macros are usable without an #ifdef guard.
// Syntax macros (for example, attributes) are always defined, although
// they may be empty.
//
// Some definitions rely on the NDEBUG macro and/or (in MSVC) _DEBUG:
// - https://en.cppreference.com/w/c/error/assert
// - https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros#microsoft-specific-predefined-macros
//
// References for predefined macros:
// - Standard: https://en.cppreference.com/w/cpp/preprocessor/replace
// - Clang: https://clang.llvm.org/docs/LanguageExtensions.html
// (see also GCC predefined macros)
// - GCC: https://gcc.gnu.org/onlinedocs/cpp/Predefined-Macros.html
// - MSVC: https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros
// - Interactive (Clang/GCC only): https://www.compiler-explorer.com/z/hc6jKd3sj
//
// References for attributes (and extension attributes):
// - Standard: https://en.cppreference.com/w/cpp/language/attributes
// - Clang: https://clang.llvm.org/docs/AttributeReference.html
// - GCC: https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html
// (see Clang attribute docs as well)
//
// References for standard C++ language conformance (and minimum versions):
// - Clang: https://clang.llvm.org/cxx_status.html
// - GCC: https://gcc.gnu.org/projects/cxx-status.html
// - MSVC: https://docs.microsoft.com/en-us/cpp/overview/visual-cpp-language-conformance
//
// Historical release notes (which can help to determine minimum versions):
// - Clang: https://releases.llvm.org/
// - GCC: https://gcc.gnu.org/releases.html
// - MSVC: https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes-history
// https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes-history
// Portable fallback for Clang's __has_warning macro:
#ifndef __has_warning
#define __has_warning(x) 0
#define PROTOBUF_has_warning_DEFINED_
#endif
#ifdef ADDRESS_SANITIZER
#include <sanitizer/asan_interface.h>
#define PROTOBUF_POISON_MEMORY_REGION(p, n) ASAN_POISON_MEMORY_REGION(p, n)
#define PROTOBUF_UNPOISON_MEMORY_REGION(p, n) ASAN_UNPOISON_MEMORY_REGION(p, n)
#else // ADDRESS_SANITIZER
#define PROTOBUF_POISON_MEMORY_REGION(p, n)
#define PROTOBUF_UNPOISON_MEMORY_REGION(p, n)
#endif // ADDRESS_SANITIZER
// Portable PROTOBUF_BUILTIN_BSWAPxx definitions
// Code must check for availability, e.g.: `defined(PROTOBUF_BUILTIN_BSWAP32)`
#ifdef PROTOBUF_BUILTIN_BSWAP16
#error PROTOBUF_BUILTIN_BSWAP16 was previously defined
#endif
#ifdef PROTOBUF_BUILTIN_BSWAP32
#error PROTOBUF_BUILTIN_BSWAP32 was previously defined
#endif
#ifdef PROTOBUF_BUILTIN_BSWAP64
#error PROTOBUF_BUILTIN_BSWAP64 was previously defined
#endif
#if defined(__GNUC__) || ABSL_HAVE_BUILTIN(__builtin_bswap16)
#define PROTOBUF_BUILTIN_BSWAP16(x) __builtin_bswap16(x)
#endif
#if defined(__GNUC__) || ABSL_HAVE_BUILTIN(__builtin_bswap32)
#define PROTOBUF_BUILTIN_BSWAP32(x) __builtin_bswap32(x)
#endif
#if defined(__GNUC__) || ABSL_HAVE_BUILTIN(__builtin_bswap64)
#define PROTOBUF_BUILTIN_BSWAP64(x) __builtin_bswap64(x)
#endif
// Portable check for __builtin_mul_overflow.
#if ABSL_HAVE_BUILTIN(__builtin_mul_overflow)
#define PROTOBUF_HAS_BUILTIN_MUL_OVERFLOW 1
#endif
// Portable check for gcc-style atomic built-ins
#if ABSL_HAVE_BUILTIN(__atomic_load_n)
#define PROTOBUF_BUILTIN_ATOMIC 1
#endif
// Portable check for GCC minimum version:
// https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
#if defined(__GNUC__) && defined(__GNUC_MINOR__) \
&& defined(__GNUC_PATCHLEVEL__)
# define PROTOBUF_GNUC_MIN(x, y) \
(__GNUC__ > (x) || (__GNUC__ == (x) && __GNUC_MINOR__ >= (y)))
#else
# define PROTOBUF_GNUC_MIN(x, y) 0
#endif
#if defined(__clang__) && defined(__clang_major__) && defined(__clang_minor__)
#define PROTOBUF_CLANG_MIN(x, y) \
(__clang_major__ > (x) || (__clang_major__ == (x) && __clang_minor__ >= (y)))
#else
#define PROTOBUF_CLANG_MIN(x, y) 0
#endif
// Portable check for MSVC minimum version:
// https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros
#if defined(_MSC_VER)
#define PROTOBUF_MSC_VER_MIN(x) (_MSC_VER >= x)
#else
#define PROTOBUF_MSC_VER_MIN(x) 0
#endif
// Portable check for minimum C++ language version:
// https://en.cppreference.com/w/cpp/preprocessor/replace
// https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros
#if !defined(_MSVC_LANG)
#define PROTOBUF_CPLUSPLUS_MIN(x) (__cplusplus >= x)
#else
#define PROTOBUF_CPLUSPLUS_MIN(x) (_MSVC_LANG >= x)
#endif
// Check minimum Protobuf support defined at:
// https://github.com/google/oss-policies-info/blob/main/foundational-cxx-support-matrix.md
#ifdef __clang__
static_assert(PROTOBUF_CLANG_MIN(6, 0), "Protobuf only supports Clang 6.0 and newer.");
#elif defined(__GNUC__)
static_assert(PROTOBUF_GNUC_MIN(7, 3), "Protobuf only supports GCC 7.3 and newer.");
#elif defined(_MSVC_LANG)
static_assert(PROTOBUF_MSC_VER_MIN(1910), "Protobuf only supports MSVC 2017 and newer.");
#endif
static_assert(PROTOBUF_CPLUSPLUS_MIN(201402L), "Protobuf only supports C++14 and newer.");
// Check minimum Abseil version.
#if defined(ABSL_LTS_RELEASE_VERSION) && defined(ABSL_LTS_RELEASE_PATCH_LEVEL)
#define PROTOBUF_ABSL_MIN(x, y) \
(ABSL_LTS_RELEASE_VERSION > (x) || \
(ABSL_LTS_RELEASE_VERSION == (x) && ABSL_LTS_RELEASE_PATCH_LEVEL >= (y)))
#else
// If we can't find an Abseil version, it's either not installed at all (which
// should trigger cmake errors), using a non-LTS release, or just isn't used in
// this file.
#define PROTOBUF_ABSL_MIN(x, y) 1
#endif
static_assert(PROTOBUF_ABSL_MIN(20230125, 3),
"Protobuf only supports Abseil version 20230125.3 and newer.");
// Future versions of protobuf will include breaking changes to some APIs.
// This macro can be set to enable these API changes ahead of time, so that
// user code can be updated before upgrading versions of protobuf.
#ifdef PROTOBUF_FUTURE_BREAKING_CHANGES
// Used to remove the manipulation of cleared elements in RepeatedPtrField.
// Owner: mkruskal@
#define PROTOBUF_FUTURE_REMOVE_CLEARED_API 1
// Used for descriptor proto extension declarations.
// Owner: shaod@, gberg@
#define PROTOBUF_FUTURE_DESCRIPTOR_EXTENSION_DECL 1
// Used to remove `RepeatedPtrField::GetArena() const`.
// Owner: ezb@
#define PROTOBUF_FUTURE_REMOVE_CONST_REPEATEDFIELD_GETARENA_API 1
// Used to make ExtensionRange into a fully-fledged descriptor class.
// Owner: mkruskal@
#define PROTOBUF_FUTURE_EXTENSION_RANGE_CLASS 1
// Used to lock down wrong ctype usages in proto file.
// Owner: jieluo@
#define PROTOBUF_FUTURE_REMOVE_WRONG_CTYPE 1
#endif
#ifdef PROTOBUF_VERSION
#error PROTOBUF_VERSION was previously defined
#endif
#define PROTOBUF_VERSION 4025002
#ifdef PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC
#error PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC was previously defined
#endif
#define PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC 4025000
#ifdef PROTOBUF_MIN_PROTOC_VERSION
#error PROTOBUF_MIN_PROTOC_VERSION was previously defined
#endif
#define PROTOBUF_MIN_PROTOC_VERSION 4025000
#ifdef PROTOBUF_VERSION_SUFFIX
#error PROTOBUF_VERSION_SUFFIX was previously defined
#endif
#define PROTOBUF_VERSION_SUFFIX ""
#ifdef PROTOBUF_MINIMUM_EDITION
#error PROTOBUF_MINIMUM_EDITION was previously defined
#endif
#define PROTOBUF_MINIMUM_EDITION EDITION_PROTO2
#ifdef PROTOBUF_MAXIMUM_EDITION
#error PROTOBUF_MAXIMUM_EDITION was previously defined
#endif
#define PROTOBUF_MAXIMUM_EDITION EDITION_2023
#ifdef PROTOBUF_ALWAYS_INLINE
#error PROTOBUF_ALWAYS_INLINE was previously defined
#endif
// For functions we want to force inline.
#if defined(PROTOBUF_NO_INLINE)
# define PROTOBUF_ALWAYS_INLINE
#elif defined(__GNUC__)
# define PROTOBUF_ALWAYS_INLINE __attribute__((always_inline))
#elif defined(_MSC_VER)
# define PROTOBUF_ALWAYS_INLINE __forceinline
#else
# define PROTOBUF_ALWAYS_INLINE
#endif
#ifdef PROTOBUF_ALWAYS_INLINE_CALL
#error PROTOBUF_ALWAYS_INLINE_CALL was previously defined
#endif
// For functions we want to force inline from the caller, instead of in the
// declaration of the callee.
// This is useful for lambdas where it is not easy to specify ALWAYS_INLINE.
// Use like:
// PROTOBUF_ALWAYS_INLINE_CALL res = SomeFunc(args...);
#if defined(__clang__) && !defined(PROTOBUF_NO_INLINE_CALL) && \
ABSL_HAVE_CPP_ATTRIBUTE(clang::always_inline)
#define PROTOBUF_ALWAYS_INLINE_CALL [[clang::always_inline]]
#else
#define PROTOBUF_ALWAYS_INLINE_CALL
#endif
#ifdef PROTOBUF_NDEBUG_INLINE
#error PROTOBUF_NDEBUG_INLINE was previously defined
#endif
// Avoid excessive inlining in non-optimized builds. Without other optimizations
// the inlining is not going to provide benefits anyway and the huge resulting
// functions, especially in the proto-generated serialization functions, produce
// stack frames so large that many tests run into stack overflows (b/32192897).
#if defined(NDEBUG) || (defined(_MSC_VER) && !defined(_DEBUG))
# define PROTOBUF_NDEBUG_INLINE PROTOBUF_ALWAYS_INLINE
#else
# define PROTOBUF_NDEBUG_INLINE
#endif
// Note that PROTOBUF_NOINLINE is an attribute applied to functions, to prevent
// them from being inlined by the compiler. This is different from
// PROTOBUF_NO_INLINE, which is a user-supplied macro that disables forced
// inlining by PROTOBUF_(ALWAYS|NDEBUG)_INLINE.
//
// For forward-declared functions, make sure to apply PROTOBUF_NOINLINE to all
// the declarations, not just the definition, or else whole-program optimization
// may not honor the attribute.
#ifdef PROTOBUF_NOINLINE
#error PROTOBUF_NOINLINE was previously defined
#endif
#if defined(__GNUC__)
# define PROTOBUF_NOINLINE __attribute__((noinline))
#elif defined(_MSC_VER)
// Seems to have been around since at least Visual Studio 2005
# define PROTOBUF_NOINLINE __declspec(noinline)
#endif
#ifdef PROTOBUF_MUSTTAIL
#error PROTOBUF_MUSTTAIL was previously defined
#endif
#ifdef PROTOBUF_TAILCALL
#error PROTOBUF_TAILCALL was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(clang::musttail) && !defined(__arm__) && \
!defined(_ARCH_PPC) && !defined(__wasm__) && \
!(defined(_MSC_VER) && defined(_M_IX86)) && !defined(__i386__)
// Compilation fails on ARM32: b/195943306
// Compilation fails on powerpc64le: b/187985113
// Compilation fails on X86 Windows:
// https://github.com/llvm/llvm-project/issues/53271
#define PROTOBUF_MUSTTAIL [[clang::musttail]]
#define PROTOBUF_TAILCALL true
#else
#define PROTOBUF_MUSTTAIL
#define PROTOBUF_TAILCALL false
#endif
#ifdef PROTOBUF_EXCLUSIVE_LOCKS_REQUIRED
#error PROTOBUF_EXCLUSIVE_LOCKS_REQUIRED was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(exclusive_locks_required)
#define PROTOBUF_EXCLUSIVE_LOCKS_REQUIRED(...) \
__attribute__((exclusive_locks_required(__VA_ARGS__)))
#else
#define PROTOBUF_EXCLUSIVE_LOCKS_REQUIRED(...)
#endif
#ifdef PROTOBUF_NO_THREAD_SAFETY_ANALYSIS
#error PROTOBUF_NO_THREAD_SAFETY_ANALYSIS was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(no_thread_safety_analysis)
#define PROTOBUF_NO_THREAD_SAFETY_ANALYSIS \
__attribute__((no_thread_safety_analysis))
#else
#define PROTOBUF_NO_THREAD_SAFETY_ANALYSIS
#endif
#ifdef PROTOBUF_GUARDED_BY
#error PROTOBUF_GUARDED_BY was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(guarded_by)
#define PROTOBUF_GUARDED_BY(x) __attribute__((guarded_by(x)))
#else
#define PROTOBUF_GUARDED_BY(x)
#endif
#ifdef PROTOBUF_LOCKS_EXCLUDED
#error PROTOBUF_LOCKS_EXCLUDED was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(locks_excluded)
#define PROTOBUF_LOCKS_EXCLUDED(...) \
__attribute__((locks_excluded(__VA_ARGS__)))
#else
#define PROTOBUF_LOCKS_EXCLUDED(...)
#endif
#ifdef PROTOBUF_COLD
#error PROTOBUF_COLD was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(cold) || defined(__GNUC__)
# define PROTOBUF_COLD __attribute__((cold))
#else
# define PROTOBUF_COLD
#endif
#ifdef PROTOBUF_SECTION_VARIABLE
#error PROTOBUF_SECTION_VARIABLE was previously defined
#endif
#if (ABSL_HAVE_ATTRIBUTE(section) || defined(__GNUC__)) && defined(__ELF__)
// Place a variable in the given ELF section.
# define PROTOBUF_SECTION_VARIABLE(x) __attribute__((section(#x)))
#else
# define PROTOBUF_SECTION_VARIABLE(x)
#endif
#if defined(__clang__)
#define PROTOBUF_IGNORE_DEPRECATION_START \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
#define PROTOBUF_IGNORE_DEPRECATION_STOP \
_Pragma("clang diagnostic pop")
#elif defined(__GNUC__)
#define PROTOBUF_IGNORE_DEPRECATION_START \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
#define PROTOBUF_IGNORE_DEPRECATION_STOP \
_Pragma("GCC diagnostic pop")
#else
#define PROTOBUF_IGNORE_DEPRECATION_START
#define PROTOBUF_IGNORE_DEPRECATION_STOP
#endif
#ifdef PROTOBUF_RETURNS_NONNULL
#error PROTOBUF_RETURNS_NONNULL was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(returns_nonnull) || defined(__GNUC__)
#define PROTOBUF_RETURNS_NONNULL __attribute__((returns_nonnull))
#else
#define PROTOBUF_RETURNS_NONNULL
#endif
#ifdef PROTOBUF_ATTRIBUTE_REINITIALIZES
#error PROTOBUF_ATTRIBUTE_REINITIALIZES was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(clang::reinitializes)
#define PROTOBUF_ATTRIBUTE_REINITIALIZES [[clang::reinitializes]]
#else
#define PROTOBUF_ATTRIBUTE_REINITIALIZES
#endif
// The minimum library version which works with the current version of the
// headers.
#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 4025000
#ifdef PROTOBUF_RTTI
#error PROTOBUF_RTTI was previously defined
#endif
#if defined(GOOGLE_PROTOBUF_NO_RTTI) && GOOGLE_PROTOBUF_NO_RTTI
// A user-provided definition GOOGLE_PROTOBUF_NO_RTTI=1 disables RTTI.
#define PROTOBUF_RTTI 0
#elif defined(__cpp_rtti)
// https://en.cppreference.com/w/cpp/feature_test
#define PROTOBUF_RTTI 1
#elif ABSL_HAVE_FEATURE(cxx_rtti)
// https://clang.llvm.org/docs/LanguageExtensions.html#c-rtti
#define PROTOBUF_RTTI 1
#elif defined(__GXX_RTTI)
// https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
#define PROTOBUF_RTTI 1
#elif defined(_CPPRTTI)
// https://docs.microsoft.com/en-us/cpp/build/reference/gr-enable-run-time-type-information
#define PROTOBUF_RTTI 1
#else
#define PROTOBUF_RTTI 0
#endif
// Returns the offset of the given field within the given aggregate type.
// This is equivalent to the ANSI C offsetof() macro. However, according
// to the C++ standard, offsetof() only works on POD types, and GCC
// enforces this requirement with a warning. In practice, this rule is
// unnecessarily strict; there is probably no compiler or platform on
// which the offsets of the direct fields of a class are non-constant.
// Fields inherited from superclasses *can* have non-constant offsets,
// but that's not what this macro will be used for.
#ifdef PROTOBUF_FIELD_OFFSET
#error PROTOBUF_FIELD_OFFSET was previously defined
#endif
#if defined(__clang__)
// For Clang we use __builtin_offsetof() and suppress the warning,
// to avoid Control Flow Integrity and UBSan vptr sanitizers from
// crashing while trying to validate the invalid reinterpret_casts.
#define PROTOBUF_FIELD_OFFSET(TYPE, FIELD) \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Winvalid-offsetof\"") \
__builtin_offsetof(TYPE, FIELD) \
_Pragma("clang diagnostic pop")
#elif defined(__GNUC__)
#define PROTOBUF_FIELD_OFFSET(TYPE, FIELD) __builtin_offsetof(TYPE, FIELD)
#else // defined(__clang__)
// Note that we calculate relative to the pointer value 16 here since if we
// just use zero, GCC complains about dereferencing a NULL pointer. We
// choose 16 rather than some other number just in case the compiler would
// be confused by an unaligned pointer.
#define PROTOBUF_FIELD_OFFSET(TYPE, FIELD) \
static_cast< ::uint32_t>(reinterpret_cast<const char*>( \
&reinterpret_cast<const TYPE*>(16)->FIELD) - \
reinterpret_cast<const char*>(16))
#endif
#ifdef PROTOBUF_EXPORT
#error PROTOBUF_EXPORT was previously defined
#endif
#if defined(PROTOBUF_USE_DLLS) && defined(_MSC_VER)
# if defined(LIBPROTOBUF_EXPORTS)
# define PROTOBUF_EXPORT __declspec(dllexport)
# define PROTOBUF_EXPORT_TEMPLATE_DECLARE
# define PROTOBUF_EXPORT_TEMPLATE_DEFINE __declspec(dllexport)
# else
# define PROTOBUF_EXPORT __declspec(dllimport)
# define PROTOBUF_EXPORT_TEMPLATE_DECLARE
# define PROTOBUF_EXPORT_TEMPLATE_DEFINE __declspec(dllimport)
# endif // defined(LIBPROTOBUF_EXPORTS)
#elif defined(PROTOBUF_USE_DLLS) && defined(LIBPROTOBUF_EXPORTS)
# define PROTOBUF_EXPORT __attribute__((visibility("default")))
# define PROTOBUF_EXPORT_TEMPLATE_DECLARE __attribute__((visibility("default")))
# define PROTOBUF_EXPORT_TEMPLATE_DEFINE
#else
# define PROTOBUF_EXPORT
# define PROTOBUF_EXPORT_TEMPLATE_DECLARE
# define PROTOBUF_EXPORT_TEMPLATE_DEFINE
#endif
#ifdef PROTOC_EXPORT
#error PROTOC_EXPORT was previously defined
#endif
#if defined(PROTOBUF_USE_DLLS) && defined(_MSC_VER)
# if defined(LIBPROTOC_EXPORTS)
# define PROTOC_EXPORT __declspec(dllexport)
# else
# define PROTOC_EXPORT __declspec(dllimport)
# endif // defined(LIBPROTOC_EXPORTS)
#elif defined(PROTOBUF_USE_DLLS) && defined(LIBPROTOC_EXPORTS)
# define PROTOC_EXPORT __attribute__((visibility("default")))
#else
# define PROTOC_EXPORT
#endif
#if defined(PROTOBUF_USE_DLLS) && defined(_MSC_VER)
# if defined(LIBPROTOBUF_TEST_EXPORTS)
# define PROTOBUF_TEST_EXPORTS __declspec(dllexport)
# else
# define PROTOBUF_TEST_EXPORTS __declspec(dllimport)
# endif // defined(LIBPROTOBUF_TEST_EXPORTS)
#elif defined(PROTOBUF_USE_DLLS) && defined(LIBPROTOBUF_TEST_EXPORTS)
# define PROTOBUF_TEST_EXPORTS __attribute__((visibility("default")))
#else
# define PROTOBUF_TEST_EXPORTS
#endif
#if defined(PROTOBUF_PREDICT_TRUE) || defined(PROTOBUF_PREDICT_FALSE)
#error PROTOBUF_PREDICT_(TRUE|FALSE) was previously defined
#endif
#if defined(__GNUC__)
# define PROTOBUF_PREDICT_TRUE(x) (__builtin_expect(false || (x), true))
# define PROTOBUF_PREDICT_FALSE(x) (__builtin_expect(false || (x), false))
#else
# define PROTOBUF_PREDICT_TRUE(x) (x)
# define PROTOBUF_PREDICT_FALSE(x) (x)
#endif
#ifdef PROTOBUF_NODISCARD
#error PROTOBUF_NODISCARD was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(nodiscard) && PROTOBUF_CPLUSPLUS_MIN(201703L)
#define PROTOBUF_NODISCARD [[nodiscard]]
#elif ABSL_HAVE_ATTRIBUTE(warn_unused_result) || defined(__GNUC__)
#define PROTOBUF_NODISCARD __attribute__((warn_unused_result))
#else
#define PROTOBUF_NODISCARD
#endif
#ifdef PROTOBUF_RESTRICT
#error PROTOBUF_RESTRICT was previously defined
#endif
#if defined( __clang__) || defined(__GNUC__)
#define PROTOBUF_RESTRICT __restrict
#else
#define PROTOBUF_RESTRICT
#endif
#ifdef PROTOBUF_FORCE_COPY_IN_RELEASE
#error PROTOBUF_FORCE_COPY_IN_RELEASE was previously defined
#endif
#ifdef PROTOBUF_FORCE_COPY_IN_SWAP
#error PROTOBUF_FORCE_COPY_IN_SWAP was previously defined
#endif
#ifdef PROTOBUF_FORCE_COPY_IN_MOVE
#error PROTOBUF_FORCE_COPY_IN_MOVE was previously defined
#endif
#ifdef PROTOBUF_FORCE_RESET_IN_CLEAR
#error PROTOBUF_FORCE_RESET_IN_CLEAR was previously defined
#endif
#ifdef PROTOBUF_FUZZ_MESSAGE_SPACE_USED_LONG
#error PROTOBUF_FUZZ_MESSAGE_SPACE_USED_LONG was previously defined
#endif
// Force copy the default string to a string field so that non-optimized builds
// have harder-to-rely-on address stability.
#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
#error PROTOBUF_FORCE_COPY_DEFAULT_STRING was previously defined
#endif
// Set (and leave set) PROTOBUF_EXPLICIT_CONSTRUCTORS
// This flag changes the internal implementation class and its uses from using
// aggregate initialization to using explicit constructor based initialization.
// TODO: remove this flag and make the code permanent.
#ifndef PROTOBUF_EXPLICIT_CONSTRUCTORS
#define PROTOBUF_EXPLICIT_CONSTRUCTORS
#endif
#ifdef PROTOBUF_FORCE_ALLOCATION_ON_CONSTRUCTION
#error PROTOBUF_FORCE_ALLOCATION_ON_CONSTRUCTION was previously defined
#endif
#ifdef PROTOBUF_FALLTHROUGH_INTENDED
#error PROTOBUF_FALLTHROUGH_INTENDED was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(fallthrough)
#define PROTOBUF_FALLTHROUGH_INTENDED [[fallthrough]]
#elif ABSL_HAVE_FEATURE(cxx_attributes) && \
__has_warning("-Wimplicit-fallthrough")
#define PROTOBUF_FALLTHROUGH_INTENDED [[clang::fallthrough]]
#elif defined(__GNUC__)
#define PROTOBUF_FALLTHROUGH_INTENDED [[gnu::fallthrough]]
#else
#define PROTOBUF_FALLTHROUGH_INTENDED
#endif
// Specify memory alignment for structs, classes, etc.
// Use like:
// class PROTOBUF_ALIGNAS(16) MyClass { ... }
// PROTOBUF_ALIGNAS(16) int array[4];
//
// In most places you can use the C++11 keyword "alignas", which is preferred.
//
// But compilers have trouble mixing __attribute__((...)) syntax with
// alignas(...) syntax.
//
// Doesn't work in clang or gcc:
// struct alignas(16) __attribute__((packed)) S { char c; };
// Works in clang but not gcc:
// struct __attribute__((packed)) alignas(16) S2 { char c; };
// Works in clang and gcc:
// struct alignas(16) S3 { char c; } __attribute__((packed));
//
// There are also some attributes that must be specified *before* a class
// definition: visibility (used for exporting functions/classes) is one of
// these attributes. This means that it is not possible to use alignas() with a
// class that is marked as exported.
#ifdef PROTOBUF_ALIGNAS
#error PROTOBUF_ALIGNAS was previously defined
#endif
#if defined(_MSC_VER)
#define PROTOBUF_ALIGNAS(byte_alignment) __declspec(align(byte_alignment))
#elif defined(__GNUC__)
#define PROTOBUF_ALIGNAS(byte_alignment) \
__attribute__((aligned(byte_alignment)))
#else
#define PROTOBUF_ALIGNAS(byte_alignment) alignas(byte_alignment)
#endif
#ifdef PROTOBUF_FINAL
#error PROTOBUF_FINAL was previously defined
#endif
#define PROTOBUF_FINAL final
#ifdef PROTOBUF_THREAD_LOCAL
#error PROTOBUF_THREAD_LOCAL was previously defined
#endif
#if defined(_MSC_VER)
#define PROTOBUF_THREAD_LOCAL __declspec(thread)
#else
#define PROTOBUF_THREAD_LOCAL __thread
#endif
// TODO: cleanup PROTOBUF_LITTLE_ENDIAN in various 3p forks.
#if (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define PROTOBUF_LITTLE_ENDIAN 1
#ifdef PROTOBUF_BIG_ENDIAN
#error Conflicting PROTOBUF_BIG_ENDIAN was previously defined
#endif
#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define PROTOBUF_BIG_ENDIAN 1
#elif defined(_WIN32) || defined(__x86_64__) || defined(__aarch64__)
#define PROTOBUF_LITTLE_ENDIAN 1
#else
#error "endian detection failed for current compiler"
#endif
#ifdef PROTOBUF_CONSTINIT
#error PROTOBUF_CONSTINIT was previously defined
#endif
// Lexan sets both MSV_VER and clang, so handle it with the clang path.
#if defined(_MSC_VER) && !defined(__clang__)
// MSVC 17 currently seems to raise an error about constant-initialized pointers.
# if PROTOBUF_MSC_VER_MIN(1930)
# define PROTOBUF_CONSTINIT
# define PROTOBUF_CONSTEXPR constexpr
# endif
#elif defined(__GNUC__) && !defined(__clang__)
// GCC doesn't support constinit aggregate initialization of absl::Cord.
# if PROTOBUF_GNUC_MIN(12, 2)
# define PROTOBUF_CONSTINIT
# define PROTOBUF_CONSTEXPR constexpr
# endif
#else
# if defined(__cpp_constinit) && !defined(__CYGWIN__)
# define PROTOBUF_CONSTINIT constinit
# define PROTOBUF_CONSTEXPR constexpr
# define PROTOBUF_CONSTINIT_DEFAULT_INSTANCES
// Some older Clang versions incorrectly raise an error about
// constant-initializing weak default instance pointers. Versions 12.0 and
// higher seem to work, except that XCode 12.5.1 shows the error even though it
// uses Clang 12.0.5.
#elif !defined(__CYGWIN__) && !defined(__MINGW32__) && \
ABSL_HAVE_CPP_ATTRIBUTE(clang::require_constant_initialization) && \
((defined(__APPLE__) && PROTOBUF_CLANG_MIN(13, 0)) || \
(!defined(__APPLE__) && PROTOBUF_CLANG_MIN(12, 0)))
# define PROTOBUF_CONSTINIT [[clang::require_constant_initialization]]
# define PROTOBUF_CONSTEXPR constexpr
# define PROTOBUF_CONSTINIT_DEFAULT_INSTANCES
# endif
#endif
#ifndef PROTOBUF_CONSTINIT
#define PROTOBUF_CONSTINIT
#define PROTOBUF_CONSTEXPR
#endif
// Some globals with an empty non-trivial destructor are annotated with
// no_destroy for performance reasons. It reduces the cost of these globals in
// non-opt mode and under sanitizers.
#ifdef PROTOBUF_ATTRIBUTE_NO_DESTROY
#error PROTOBUF_ATTRIBUTE_NO_DESTROY was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(clang::no_destroy)
#define PROTOBUF_ATTRIBUTE_NO_DESTROY [[clang::no_destroy]]
#else
#define PROTOBUF_ATTRIBUTE_NO_DESTROY
#endif
// Force clang to always emit complete debug info for a type.
// Clang uses constructor homing to determine when to emit debug info for a
// type. If the constructor of a type is never used, which can happen in some
// cases where member variables are constructed in place for optimization
// purposes (see b/208803175 for an example), the type will have incomplete
// debug info unless this attribute is used.
#ifdef PROTOBUF_ATTRIBUTE_STANDALONE_DEBUG
#error PROTOBUF_ATTRIBUTE_STANDALONE_DEBUG was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(clang::standalone_debug)
#define PROTOBUF_ATTRIBUTE_STANDALONE_DEBUG [[clang::standalone_debug]]
#else
#define PROTOBUF_ATTRIBUTE_STANDALONE_DEBUG
#endif
// Protobuf extensions and reflection require registration of the protos linked
// in the binary. Not until everything is registered does the runtime have a
// complete view on all protos. When code is using reflection or extensions
// in between registration calls this can lead to surprising behavior. By
// having the registration run first we mitigate this scenario.
// Highest priority is 101. We use 102 for registration, to allow code that
// really wants to higher priority to still beat us. Some initialization happens
// at higher priority, though, since it is needed before registration.
#ifdef PROTOBUF_ATTRIBUTE_INIT_PRIORITY1
#error PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 was previously defined
#endif
#ifdef PROTOBUF_ATTRIBUTE_INIT_PRIORITY2
#error PROTOBUF_ATTRIBUTE_INIT_PRIORITY2 was previously defined
#endif
#if defined(__GNUC__) && (!defined(__APPLE__) || defined(__clang__)) && \
!((defined(sun) || defined(__sun)) && \
(defined(__SVR4) || defined(__svr4__)))
#define PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 __attribute__((init_priority((101))))
#define PROTOBUF_ATTRIBUTE_INIT_PRIORITY2 __attribute__((init_priority((102))))
#else
#define PROTOBUF_ATTRIBUTE_INIT_PRIORITY1
#define PROTOBUF_ATTRIBUTE_INIT_PRIORITY2
#endif
#ifdef PROTOBUF_PRAGMA_INIT_SEG
#error PROTOBUF_PRAGMA_INIT_SEG was previously defined
#endif
#ifdef _MSC_VER
#define PROTOBUF_PRAGMA_INIT_SEG __pragma(init_seg(lib))
#else
#define PROTOBUF_PRAGMA_INIT_SEG
#endif
#ifdef PROTOBUF_ATTRIBUTE_WEAK
#error PROTOBUF_ATTRIBUTE_WEAK was previously defined
#endif
#if ABSL_HAVE_ATTRIBUTE(weak) && !defined(__APPLE__) && \
(!defined(_WIN32) || __clang_major__ < 9) && !defined(__MINGW32__)
#define PROTOBUF_ATTRIBUTE_WEAK __attribute__((weak))
#define PROTOBUF_HAVE_ATTRIBUTE_WEAK 1
#else
#define PROTOBUF_ATTRIBUTE_WEAK
#define PROTOBUF_HAVE_ATTRIBUTE_WEAK 0
#endif
// Macros to detect sanitizers.
#ifdef PROTOBUF_ASAN
#error PROTOBUF_ASAN was previously defined
#endif
#ifdef PROTOBUF_MSAN
#error PROTOBUF_MSAN was previously defined
#endif
#ifdef PROTOBUF_TSAN
#error PROTOBUF_TSAN was previously defined
#endif
#if defined(__clang__)
#if ABSL_HAVE_FEATURE(address_sanitizer)
# define PROTOBUF_ASAN 1
# endif
#if ABSL_HAVE_FEATURE(thread_sanitizer)
# define PROTOBUF_TSAN 1
# endif
#if ABSL_HAVE_FEATURE(memory_sanitizer)
# define PROTOBUF_MSAN 1
# endif
#elif defined(__GNUC__)
// Double-guard is needed for -Wundef:
# ifdef __SANITIZE_ADDRESS__
# if __SANITIZE_ADDRESS__
# define PROTOBUF_ASAN 1
# endif
# endif
# ifdef __SANITIZE_THREAD__
# if __SANITIZE_THREAD__
# define PROTOBUF_TSAN 1
# endif
# endif
#endif
#ifdef PROTOBUF_TSAN_READ
#error PROTOBUF_TSAN_READ was previously defined
#endif
#ifdef PROTOBUF_TSAN_WRITE
#error PROTOBUF_TSAN_WRITE was previously defined
#endif
#ifdef PROTOBUF_TSAN
// TODO: it would be preferable to use __tsan_external_read/
// __tsan_external_write, but they can cause dlopen issues.
#define PROTOBUF_TSAN_READ(addr) \
do { \
char protobuf_tsan_dummy = *reinterpret_cast<const char *>(addr); \
asm volatile("" : "+r"(protobuf_tsan_dummy)); \
} while (0)
// We currently use a dedicated member for TSan checking so the value of this
// member is not important. We can unconditionally write to it without affecting
// correctness of the rest of the class.
#define PROTOBUF_TSAN_WRITE(addr) \
do { \
*reinterpret_cast<char *>(addr) = 0; \
} while (0)
#else // PROTOBUF_TSAN
#define PROTOBUF_TSAN_READ(addr) (void)0
#define PROTOBUF_TSAN_WRITE(addr) (void)0
#endif // PROTOBUF_TSAN
#ifdef PROTOBUF_TSAN
#define PROTOBUF_TSAN_DECLARE_MEMBER ::uint32_t _tsan_detect_race = 0;
#else
#define PROTOBUF_TSAN_DECLARE_MEMBER
#endif
#ifdef PROTOBUF_USE_TABLE_PARSER_ON_REFLECTION
#error PROTOBUF_USE_TABLE_PARSER_ON_REFLECTION was previously defined
#endif
#if !defined(PROTOBUF_TEMPORARY_DISABLE_TABLE_PARSER_ON_REFLECTION)
#define PROTOBUF_USE_TABLE_PARSER_ON_REFLECTION 1
#endif // PROTOBUF_ENABLE_FORCE_ALLOCATION_ON_CONSTRUCTION
// Note that this is performance sensitive: changing the parameters will change
// the registers used by the ABI calling convention, which subsequently affects
// register selection logic inside the function.
// Arguments `msg`, `ptr` and `ctx` are the 1st/2nd/3rd argument to match the
// signature of ParseLoop.
//
// Note for x86_64: `data` must be the third or fourth argument for performance
// reasons. In order to efficiently read the second byte of `data` we need it to
// be passed in RDX or RCX.
#define PROTOBUF_TC_PARAM_DECL \
::google::protobuf::MessageLite *msg, const char *ptr, \
::google::protobuf::internal::ParseContext *ctx, \
::google::protobuf::internal::TcFieldData data, \
const ::google::protobuf::internal::TcParseTableBase *table, uint64_t hasbits
// PROTOBUF_TC_PARAM_PASS passes values to match PROTOBUF_TC_PARAM_DECL.
#define PROTOBUF_TC_PARAM_PASS msg, ptr, ctx, data, table, hasbits
// PROTOBUF_TC_PARAM_NO_DATA_DECL and PROTOBUF_TC_PARAM_NO_DATA_PASS provide the
// exact same ABI as above, except that they don't name or pass the `data`
// argument. Specific functions such as `Error() and `ToTagDispatch()` don't
// use the `data` argument. By not passing `data` down the call stack, we free
// up the register holding that value, which may matter in highly optimized
// functions such as varint parsing.
#define PROTOBUF_TC_PARAM_NO_DATA_DECL \
::google::protobuf::MessageLite *msg, const char *ptr, \
::google::protobuf::internal::ParseContext *ctx, ::google::protobuf::internal::TcFieldData, \
const ::google::protobuf::internal::TcParseTableBase *table, uint64_t hasbits
#define PROTOBUF_TC_PARAM_NO_DATA_PASS \
msg, ptr, ctx, ::google::protobuf::internal::TcFieldData::DefaultInit(), table, hasbits
#ifdef PROTOBUF_UNUSED
#error PROTOBUF_UNUSED was previously defined
#endif
#if ABSL_HAVE_CPP_ATTRIBUTE(maybe_unused) || \
(PROTOBUF_MSC_VER_MIN(1911) && PROTOBUF_CPLUSPLUS_MIN(201703L))
#define PROTOBUF_UNUSED [[maybe_unused]]
#elif ABSL_HAVE_ATTRIBUTE(unused) || defined(__GNUC__)
#define PROTOBUF_UNUSED __attribute__((__unused__))
#else
#define PROTOBUF_UNUSED
#endif
// For the toolchains that support it, evalutes to `true` if the input is
// determined to be a compile time constant after optimizations have happened
// (like inlining and constant propagation). A `false` result means that the
// compiler could not determine it is constant (it might still be but couldn't
// figure it out).
#ifdef PROTOBUF_BUILTIN_CONSTANT_P
#error PROTOBUF_BUILTIN_CONSTANT_P was previously defined
#endif
#if ABSL_HAVE_BUILTIN(__builtin_constant_p)
#define PROTOBUF_BUILTIN_CONSTANT_P(x) __builtin_constant_p(x)
#else
#define PROTOBUF_BUILTIN_CONSTANT_P(x) false
#endif
// ThreadSafeArenaz is turned off completely in opensource builds.
// autoheader defines this in some circumstances
#ifdef PACKAGE
#define PROTOBUF_DID_UNDEF_PACKAGE
#pragma push_macro("PACKAGE")
#undef PACKAGE
#endif
// a few common headers define this
#ifdef PACKED
#define PROTOBUF_DID_UNDEF_PACKED
#pragma push_macro("PACKED")
#undef PACKED
#endif
// This is a macro on Windows, macOS, and some variants of GCC.
#ifdef DOMAIN
#define PROTOBUF_DID_UNDEF_DOMAIN
#pragma push_macro("DOMAIN")
#undef DOMAIN
#endif
// linux is a legacy MACRO defined in most popular C++ standards.
#ifdef linux
#pragma push_macro("linux")
#undef linux
#define PROTOBUF_DID_UNDEF_LINUX
#endif
// Windows declares several inconvenient macro names. We #undef them and then
// restore them in port_undef.inc.
#ifdef _WIN32
#pragma push_macro("CompareString")
#undef CompareString
#pragma push_macro("CREATE_NEW")
#undef CREATE_NEW
#pragma push_macro("DELETE")
#undef DELETE
#pragma push_macro("DOUBLE_CLICK")
#undef DOUBLE_CLICK
#pragma push_macro("ERROR")
#undef ERROR
#pragma push_macro("ERROR_BUSY")
#undef ERROR_BUSY
#pragma push_macro("ERROR_INSTALL_FAILED")
#undef ERROR_INSTALL_FAILED
#pragma push_macro("ERROR_NOT_FOUND")
#undef ERROR_NOT_FOUND
#pragma push_macro("GetClassName")
#undef GetClassName
#pragma push_macro("GetCurrentTime")
#undef GetCurrentTime
#pragma push_macro("GetMessage")
#undef GetMessage
#pragma push_macro("GetObject")
#undef GetObject
#pragma push_macro("IGNORE")
#undef IGNORE
#pragma push_macro("IN")
#undef IN
#pragma push_macro("INPUT_KEYBOARD")
#undef INPUT_KEYBOARD
#pragma push_macro("NO_ERROR")
#undef NO_ERROR
#pragma push_macro("OUT")
#undef OUT
#pragma push_macro("OPTIONAL")
#undef OPTIONAL
#pragma push_macro("min")
#undef min
#pragma push_macro("max")
#undef max
#pragma push_macro("NEAR")
#undef NEAR
#pragma push_macro("NO_DATA")
#undef NO_DATA
#pragma push_macro("REASON_UNKNOWN")
#undef REASON_UNKNOWN
#pragma push_macro("SERVICE_DISABLED")
#undef SERVICE_DISABLED
#pragma push_macro("SEVERITY_ERROR")
#undef SEVERITY_ERROR
#pragma push_macro("STATUS_PENDING")
#undef STATUS_PENDING
#pragma push_macro("STRICT")
#undef STRICT
#pragma push_macro("timezone")
#undef timezone
#pragma push_macro("TRUE")
#undef TRUE
#pragma push_macro("FALSE")
#undef FALSE
#endif // _WIN32