src/google/protobuf/port_def.inc

// -*- 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"
#include "absl/base/macros.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 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 for descriptor proto extension declarations.
// Owner: shaod@, gberg@
#define PROTOBUF_FUTURE_DESCRIPTOR_EXTENSION_DECL 1

#endif

#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_CC
#error PROTOBUF_CC was previously defined
#endif
#define PROTOBUF_CC

#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_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_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_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

#ifdef PROTOBUF_FORCE_ALLOCATION_ON_CONSTRUCTION
#error PROTOBUF_FORCE_ALLOCATION_ON_CONSTRUCTION was previously defined
#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_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

#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

// 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
#  ifdef __SANITIZE_MEMORY__
#  if    __SANITIZE_MEMORY__
#    define PROTOBUF_ASAN 1
#  endif
#  endif
#endif

#ifdef PROTOBUF_ASAN
#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  // PROTOBUF_ASAN
#define PROTOBUF_POISON_MEMORY_REGION(p, n)
#define PROTOBUF_UNPOISON_MEMORY_REGION(p, n)
#endif  // PROTOBUF_ASAN

#ifdef PROTOBUF_TSAN
#define PROTOBUF_TSAN_DECLARE_MEMBER ::uint32_t _tsan_detect_race = 0;
#else
#define PROTOBUF_TSAN_DECLARE_MEMBER
#endif

// 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

#ifdef PROTOBUF_CUSTOM_VTABLE
#error PROTOBUF_CUSTOM_VTABLE was previously defined
#endif
#if !defined(PROTOBUF_CUSTOM_VTABLE)
#define PROTOBUF_VIRTUAL virtual
#define PROTOBUF_OVERRIDE override
#define PROTOBUF_FINAL final
#endif

// Determines the platforms where descriptor weak messages can be used.
#ifdef PROTOBUF_DESCRIPTOR_WEAK_MESSAGES_ALLOWED
#error PROTOBUF_DESCRIPTOR_WEAK_MESSAGES_ALLOWED was previously defined
#endif
#if defined(__GNUC__) && defined(__clang__) && !defined(__APPLE__) && \
    !defined(_MSC_VER)
#define PROTOBUF_DESCRIPTOR_WEAK_MESSAGES_ALLOWED
#endif


// TODO: Enable the feature by default and remove this flag.
#ifdef PROTOBUF_PREFETCH_PARSE_TABLE
#error PROTOBUF_PREFETCH_PARSE_TABLE was previously defined
#endif

#ifdef PROTOBUF_PREFETCH_WITH_OFFSET
#error PROTOBUF_PREFETCH_WITH_OFFSET was previously defined
#endif
#if defined(__x86_64__) && defined(__GNUC__)
#define PROTOBUF_PREFETCH_WITH_OFFSET(base, offset) \
  asm("prefetcht0 " #offset "(%0)" : : "r"(base));
#else
#define PROTOBUF_PREFETCH_WITH_OFFSET(base, offset)
#endif

// ThreadSafeArenaz is turned off completely in opensource builds.

// noreturn is defined as a macro in C's stdnoreturn.h
#ifdef noreturn
#define PROTOBUF_DID_UNDEF_noreturn
#pragma push_macro("noreturn")
#undef noreturn
#endif

// 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("ERROR_RETRY")
#undef ERROR_RETRY
#pragma push_macro("ERROR_TIMEOUT")
#undef ERROR_TIMEOUT
#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("SERVICE_STOP")
#undef SERVICE_STOP
#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

#ifdef __APPLE__
// Inconvenient macro names from /usr/include/mach/boolean.h in some macOS SDKs.
#pragma push_macro("TRUE")
#undef TRUE
#pragma push_macro("FALSE")
#undef FALSE
// Inconvenient macro names from usr/include/sys/syslimits.h in some macOS SDKs.
#pragma push_macro("UID_MAX")
#undef UID_MAX
#pragma push_macro("GID_MAX")
#undef GID_MAX
// TYPE_BOOL is defined in the MacOS's ConditionalMacros.h.
#pragma push_macro("TYPE_BOOL")
#undef TYPE_BOOL
#endif  // __APPLE__

#if defined(ANDROID) || defined(__ANDROID__)
// Inconvenient macro names from usr/include/limits.h in some Android NDKs.
#pragma push_macro("UID_MAX")
#undef UID_MAX
#pragma push_macro("GID_MAX")
#undef GID_MAX
#endif  // defined(ANDROID) || defined(__ANDROID__)

#ifdef __FreeBSD__
// Inconvenient macro names from /usr/include/sys/param.h.
#pragma push_macro("TRUE")
#undef TRUE
#pragma push_macro("FALSE")
#undef FALSE
// Inconvenient macro names from /usr/include/sys/limits.h.
#pragma push_macro("UID_MAX")
#undef UID_MAX
#pragma push_macro("GID_MAX")
#undef GID_MAX
#endif  // __FreeBSD__

#if defined(__clang__) || defined(__GNUC__) || defined(_MSC_VER)
// Don't let Objective-C Macros interfere with proto identifiers with the same
// name.
#pragma push_macro("DEBUG")
#undef DEBUG
#endif // defined(__clang__) || defined(__GNUC__) || defined(_MSC_VER)

// Protobuf does not support building with a number of warnings that are noisy
// (and of variable quality across compiler versions) or impossible to implement
// effectively but which people turn on anyways.
#ifdef __clang__
#pragma clang diagnostic push
// -Wshorten-64-to-32 is a typical pain where we diff pointers.
//   char* p = strchr(s, '\n');
//   return p ? p - s : -1;
#pragma clang diagnostic ignored "-Wshorten-64-to-32"
// Turn on -Wdeprecated-enum-enum-conversion. This deprecation comes in C++20
// via http://wg21.link/p1120r0.
#pragma clang diagnostic error "-Wdeprecated-enum-enum-conversion"
// This error has been generally flaky, but we need to disable it specifically
// to fix https://github.com/protocolbuffers/protobuf/issues/12313
#pragma clang diagnostic ignored "-Wunused-parameter"
// -Wshadow means that declaration shadows a variable.
// for (int i = 0; i < file_->public_dependency_count(); ++i)
//   for (int i = 0; i < public_dep->message_type_count(); ++i)
#pragma clang diagnostic ignored "-Wshadow"
#pragma clang diagnostic ignored "-Wextra-semi"
#endif
#ifdef __GNUC__
#pragma GCC diagnostic push
// Some of the warnings below only exist in some GCC versions; those version
// ranges are poorly documented.
#pragma GCC diagnostic ignored "-Wpragmas"
// GCC does not allow disabling diagnostics within an expression:
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60875, so we disable this one
// globally even though it's only used for PROTOBUF_FIELD_OFFSET.
#pragma GCC diagnostic ignored "-Winvalid-offsetof"
// Some versions of GCC seem to think that
//  [this] { Foo(); }
// leaves `this` unused, even though `Foo();` is a member function of the
// captured `this`.
// https://bugzilla.mozilla.org/show_bug.cgi?id=1373625
#pragma GCC diagnostic ignored "-Wunused-lambda-capture"
// -Wsign-conversion causes a lot of warnings on mostly code like:
//   int index = ...
//   int value = vec[index];
#pragma GCC diagnostic ignored "-Wsign-conversion"
// This error has been generally flaky, but we need to disable it specifically
// to fix https://github.com/protocolbuffers/protobuf/issues/12313
#pragma GCC diagnostic ignored "-Wunused-parameter"
// -Wshadow means that declaration shadows a variable.
// for (int i = 0; i < file_->public_dependency_count(); ++i)
//   for (int i = 0; i < public_dep->message_type_count(); ++i)
#pragma GCC diagnostic ignored "-Wshadow"
#ifndef __clang__
// This causes spurious warnings in GCC 13.
#pragma GCC diagnostic ignored "-Wstringop-overflow"
// This causes spurious warnings in GCC 13.
#pragma GCC diagnostic ignored "-Wself-move"
// Ignore warning: extra ';' [-Wpedantic]
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
#if __GNUC__ == 12 && __GNUC_MINOR__ < 4
// Wrong warning emitted when assigning a single char c-string to a std::string
// in c++20 mode and optimization on.
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105329
// Planned to be fixed by 12.3 but widen window to 12.4.
#pragma GCC diagnostic ignored "-Wrestrict"
#endif
#endif  // __GNUC__

// Silence some MSVC warnings in all our code.
#ifdef _MSC_VER
#pragma warning(push)
// For non-trivial unions
#pragma warning(disable : 4582)
#pragma warning(disable : 4583)
// For init_seg(lib)
#pragma warning(disable : 4073)
// To silence the fact that we will pop this push from another file
#pragma warning(disable : 5031)
// Conditional expression is constant
#pragma warning(disable: 4127)
// decimal digit terminates octal escape sequence
#pragma warning(disable: 4125)
#endif

#if PROTOBUF_ENABLE_DEBUG_LOGGING_MAY_LEAK_PII
#define PROTOBUF_DEBUG true
#else
#define PROTOBUF_DEBUG false
#endif

#ifdef PROTOBUF_NO_THREADLOCAL
#error PROTOBUF_NO_THREADLOCAL was previously defined
#endif

// port_def.inc may be included in very large compilation targets, so we need to
// minimize adding symbol and source file information here. For this reason we
// implement our own simple `protobuf_assumption_failed()` function for
// asserting PROTOBUF_ASSUME predicates in debug builds.
namespace google {
namespace protobuf {
namespace internal {
[[noreturn]] PROTOBUF_EXPORT void protobuf_assumption_failed(const char *pred,
                                                             const char *file,
                                                             int line);
}  // namespace internal
}  // namespace protobuf
}  // namespace google

// PROTOBUF_ASSUME(pred) tells the compiler that it can assume pred is true.
// To be safe, we also validate the assumption in debug builds, printing an
// assert style "Assumption failed: ..." message and aborting the program if
// the predicate is false. The macro does not do anything useful if the
// compiler does not support __builtin_assume.
#ifdef PROTOBUF_ASSUME
#error PROTOBUF_ASSUME was previously defined
#endif
#if ABSL_HAVE_BUILTIN(__builtin_assume)
#ifdef NDEBUG
#define PROTOBUF_ASSUME(pred) __builtin_assume(pred)
#else  // NDEBUG
#define PROTOBUF_ASSUME(pred)                                                  \
  if (!(pred)) {                                                               \
    ::google::protobuf::internal::protobuf_assumption_failed(#pred, __FILE__, __LINE__); \
  }                                                                            \
  __builtin_assume(pred)
#endif  // NDEBUG
#else   // has_builtin(__builtin_assume)
#ifndef NDEBUG
#define PROTOBUF_ASSUME(pred)                                                  \
  if (!(pred)) {                                                               \
    ::google::protobuf::internal::protobuf_assumption_failed(#pred, __FILE__, __LINE__); \
  }
#else  // !NDEBUG
#define PROTOBUF_ASSUME(pred)
#endif  // !NDEBUG
#endif  // has_builtin(__builtin_assume)

#ifdef PROTOBUF_DEPRECATE_AND_INLINE
#error PROTOBUF_DEPRECATE_AND_INLINE was previously defined
#endif
#if defined(ABSL_DEPRECATE_AND_INLINE)
#define PROTOBUF_DEPRECATE_AND_INLINE() ABSL_DEPRECATE_AND_INLINE()
#else
#define PROTOBUF_DEPRECATE_AND_INLINE() [[deprecated]]
#endif


namespace google {
namespace protobuf {
namespace internal {
#if defined(PROTOBUF_INTERNAL_ENABLE_DEBUG_COUNTERS)
#define PROTOBUF_DEBUG_COUNTER(name)                                   \
  ([]() -> auto & {                                                    \
    static constexpr const char *counter_name = name;                  \
    static ::google::protobuf::internal::RealDebugCounter counter(counter_name); \
    return counter;                                                    \
  }())

#else  // PROTOBUF_ENABLE_DEBUG_COUNTERS
#define PROTOBUF_DEBUG_COUNTER(name) \
  ::google::protobuf::internal::NoopDebugCounter {}
#endif  // PROTOBUF_ENABLE_DEBUG_COUNTERS
}  // namespace internal
}  // namespace protobuf
}  // namespace google