Current File : //usr/local/include/google/protobuf/message_lite.h
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Authors: wink@google.com (Wink Saville),
// kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
//
// Defines MessageLite, the abstract interface implemented by all (lite
// and non-lite) protocol message objects.
#ifndef GOOGLE_PROTOBUF_MESSAGE_LITE_H__
#define GOOGLE_PROTOBUF_MESSAGE_LITE_H__
#include <climits>
#include <string>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/stubs/logging.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/arena.h>
#include <google/protobuf/metadata_lite.h>
#include <google/protobuf/stubs/once.h>
#include <google/protobuf/port.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/port_def.inc>
#ifdef SWIG
#error "You cannot SWIG proto headers"
#endif
namespace google {
namespace protobuf {
template <typename T>
class RepeatedPtrField;
class FastReflectionMessageMutator;
class FastReflectionStringSetter;
class Reflection;
namespace io {
class CodedInputStream;
class CodedOutputStream;
class ZeroCopyInputStream;
class ZeroCopyOutputStream;
} // namespace io
namespace internal {
class SwapFieldHelper;
// Tag type used to invoke the constinit constructor overload of some classes.
// Such constructors are internal implementation details of the library.
struct ConstantInitialized {
explicit ConstantInitialized() = default;
};
// See parse_context.h for explanation
class ParseContext;
class ExtensionSet;
class LazyField;
class RepeatedPtrFieldBase;
class TcParserBase;
class WireFormatLite;
class WeakFieldMap;
template <typename Type>
class GenericTypeHandler; // defined in repeated_field.h
// We compute sizes as size_t but cache them as int. This function converts a
// computed size to a cached size. Since we don't proceed with serialization
// if the total size was > INT_MAX, it is not important what this function
// returns for inputs > INT_MAX. However this case should not error or
// GOOGLE_CHECK-fail, because the full size_t resolution is still returned from
// ByteSizeLong() and checked against INT_MAX; we can catch the overflow
// there.
inline int ToCachedSize(size_t size) { return static_cast<int>(size); }
// We mainly calculate sizes in terms of size_t, but some functions that
// compute sizes return "int". These int sizes are expected to always be
// positive. This function is more efficient than casting an int to size_t
// directly on 64-bit platforms because it avoids making the compiler emit a
// sign extending instruction, which we don't want and don't want to pay for.
inline size_t FromIntSize(int size) {
// Convert to unsigned before widening so sign extension is not necessary.
return static_cast<unsigned int>(size);
}
// For cases where a legacy function returns an integer size. We GOOGLE_DCHECK()
// that the conversion will fit within an integer; if this is false then we
// are losing information.
inline int ToIntSize(size_t size) {
GOOGLE_DCHECK_LE(size, static_cast<size_t>(INT_MAX));
return static_cast<int>(size);
}
// This type wraps a variable whose constructor and destructor are explicitly
// called. It is particularly useful for a global variable, without its
// constructor and destructor run on start and end of the program lifetime.
// This circumvents the initial construction order fiasco, while keeping
// the address of the empty string a compile time constant.
//
// Pay special attention to the initialization state of the object.
// 1. The object is "uninitialized" to begin with.
// 2. Call Construct() or DefaultConstruct() only if the object is
// uninitialized. After the call, the object becomes "initialized".
// 3. Call get() and get_mutable() only if the object is initialized.
// 4. Call Destruct() only if the object is initialized.
// After the call, the object becomes uninitialized.
template <typename T>
class ExplicitlyConstructed {
public:
void DefaultConstruct() { new (&union_) T(); }
template <typename... Args>
void Construct(Args&&... args) {
new (&union_) T(std::forward<Args>(args)...);
}
void Destruct() { get_mutable()->~T(); }
constexpr const T& get() const { return reinterpret_cast<const T&>(union_); }
T* get_mutable() { return reinterpret_cast<T*>(&union_); }
private:
// Prefer c++14 aligned_storage, but for compatibility this will do.
union AlignedUnion {
alignas(T) char space[sizeof(T)];
int64 align_to_int64;
void* align_to_ptr;
} union_;
};
// Default empty string object. Don't use this directly. Instead, call
// GetEmptyString() to get the reference.
PROTOBUF_EXPORT extern ExplicitlyConstructed<std::string>
fixed_address_empty_string;
PROTOBUF_EXPORT constexpr const std::string& GetEmptyStringAlreadyInited() {
return fixed_address_empty_string.get();
}
PROTOBUF_EXPORT size_t StringSpaceUsedExcludingSelfLong(const std::string& str);
} // namespace internal
// Interface to light weight protocol messages.
//
// This interface is implemented by all protocol message objects. Non-lite
// messages additionally implement the Message interface, which is a
// subclass of MessageLite. Use MessageLite instead when you only need
// the subset of features which it supports -- namely, nothing that uses
// descriptors or reflection. You can instruct the protocol compiler
// to generate classes which implement only MessageLite, not the full
// Message interface, by adding the following line to the .proto file:
//
// option optimize_for = LITE_RUNTIME;
//
// This is particularly useful on resource-constrained systems where
// the full protocol buffers runtime library is too big.
//
// Note that on non-constrained systems (e.g. servers) when you need
// to link in lots of protocol definitions, a better way to reduce
// total code footprint is to use optimize_for = CODE_SIZE. This
// will make the generated code smaller while still supporting all the
// same features (at the expense of speed). optimize_for = LITE_RUNTIME
// is best when you only have a small number of message types linked
// into your binary, in which case the size of the protocol buffers
// runtime itself is the biggest problem.
//
// Users must not derive from this class. Only the protocol compiler and
// the internal library are allowed to create subclasses.
class PROTOBUF_EXPORT MessageLite {
public:
constexpr MessageLite() {}
virtual ~MessageLite() = default;
// Basic Operations ------------------------------------------------
// Get the name of this message type, e.g. "foo.bar.BazProto".
virtual std::string GetTypeName() const = 0;
// Construct a new instance of the same type. Ownership is passed to the
// caller.
virtual MessageLite* New() const = 0;
// Construct a new instance on the arena. Ownership is passed to the caller
// if arena is a NULL. Default implementation for backwards compatibility.
virtual MessageLite* New(Arena* arena) const;
// Same as GetOwningArena.
Arena* GetArena() const { return GetOwningArena(); }
// Get a pointer that may be equal to this message's arena, or may not be.
// If the value returned by this method is equal to some arena pointer, then
// this message is on that arena; however, if this message is on some arena,
// this method may or may not return that arena's pointer. As a tradeoff,
// this method may be more efficient than GetArena(). The intent is to allow
// underlying representations that use e.g. tagged pointers to sometimes
// store the arena pointer directly, and sometimes in a more indirect way,
// and allow a fastpath comparison against the arena pointer when it's easy
// to obtain.
void* GetMaybeArenaPointer() const {
return _internal_metadata_.raw_arena_ptr();
}
// Clear all fields of the message and set them to their default values.
// Clear() avoids freeing memory, assuming that any memory allocated
// to hold parts of the message will be needed again to hold the next
// message. If you actually want to free the memory used by a Message,
// you must delete it.
virtual void Clear() = 0;
// Quickly check if all required fields have values set.
virtual bool IsInitialized() const = 0;
// This is not implemented for Lite messages -- it just returns "(cannot
// determine missing fields for lite message)". However, it is implemented
// for full messages. See message.h.
virtual std::string InitializationErrorString() const;
// If |other| is the exact same class as this, calls MergeFrom(). Otherwise,
// results are undefined (probably crash).
virtual void CheckTypeAndMergeFrom(const MessageLite& other) = 0;
// These methods return a human-readable summary of the message. Note that
// since the MessageLite interface does not support reflection, there is very
// little information that these methods can provide. They are shadowed by
// methods of the same name on the Message interface which provide much more
// information. The methods here are intended primarily to facilitate code
// reuse for logic that needs to interoperate with both full and lite protos.
//
// The format of the returned string is subject to change, so please do not
// assume it will remain stable over time.
std::string DebugString() const;
std::string ShortDebugString() const { return DebugString(); }
// MessageLite::DebugString is already Utf8 Safe. This is to add compatibility
// with Message.
std::string Utf8DebugString() const { return DebugString(); }
// Parsing ---------------------------------------------------------
// Methods for parsing in protocol buffer format. Most of these are
// just simple wrappers around MergeFromCodedStream(). Clear() will be
// called before merging the input.
// Fill the message with a protocol buffer parsed from the given input
// stream. Returns false on a read error or if the input is in the wrong
// format. A successful return does not indicate the entire input is
// consumed, ensure you call ConsumedEntireMessage() to check that if
// applicable.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromCodedStream(
io::CodedInputStream* input);
// Like ParseFromCodedStream(), but accepts messages that are missing
// required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromCodedStream(
io::CodedInputStream* input);
// Read a protocol buffer from the given zero-copy input stream. If
// successful, the entire input will be consumed.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromZeroCopyStream(
io::ZeroCopyInputStream* input);
// Like ParseFromZeroCopyStream(), but accepts messages that are missing
// required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromZeroCopyStream(
io::ZeroCopyInputStream* input);
// Parse a protocol buffer from a file descriptor. If successful, the entire
// input will be consumed.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromFileDescriptor(
int file_descriptor);
// Like ParseFromFileDescriptor(), but accepts messages that are missing
// required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromFileDescriptor(
int file_descriptor);
// Parse a protocol buffer from a C++ istream. If successful, the entire
// input will be consumed.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromIstream(std::istream* input);
// Like ParseFromIstream(), but accepts messages that are missing
// required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromIstream(
std::istream* input);
// Read a protocol buffer from the given zero-copy input stream, expecting
// the message to be exactly "size" bytes long. If successful, exactly
// this many bytes will have been consumed from the input.
bool MergePartialFromBoundedZeroCopyStream(io::ZeroCopyInputStream* input,
int size);
// Like ParseFromBoundedZeroCopyStream(), but accepts messages that are
// missing required fields.
bool MergeFromBoundedZeroCopyStream(io::ZeroCopyInputStream* input, int size);
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromBoundedZeroCopyStream(
io::ZeroCopyInputStream* input, int size);
// Like ParseFromBoundedZeroCopyStream(), but accepts messages that are
// missing required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromBoundedZeroCopyStream(
io::ZeroCopyInputStream* input, int size);
// Parses a protocol buffer contained in a string. Returns true on success.
// This function takes a string in the (non-human-readable) binary wire
// format, matching the encoding output by MessageLite::SerializeToString().
// If you'd like to convert a human-readable string into a protocol buffer
// object, see google::protobuf::TextFormat::ParseFromString().
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromString(ConstStringParam data);
// Like ParseFromString(), but accepts messages that are missing
// required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromString(
ConstStringParam data);
// Parse a protocol buffer contained in an array of bytes.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParseFromArray(const void* data,
int size);
// Like ParseFromArray(), but accepts messages that are missing
// required fields.
PROTOBUF_ATTRIBUTE_REINITIALIZES bool ParsePartialFromArray(const void* data,
int size);
// Reads a protocol buffer from the stream and merges it into this
// Message. Singular fields read from the what is
// already in the Message and repeated fields are appended to those
// already present.
//
// It is the responsibility of the caller to call input->LastTagWas()
// (for groups) or input->ConsumedEntireMessage() (for non-groups) after
// this returns to verify that the message's end was delimited correctly.
//
// ParseFromCodedStream() is implemented as Clear() followed by
// MergeFromCodedStream().
bool MergeFromCodedStream(io::CodedInputStream* input);
// Like MergeFromCodedStream(), but succeeds even if required fields are
// missing in the input.
//
// MergeFromCodedStream() is just implemented as MergePartialFromCodedStream()
// followed by IsInitialized().
bool MergePartialFromCodedStream(io::CodedInputStream* input);
// Merge a protocol buffer contained in a string.
bool MergeFromString(ConstStringParam data);
// Serialization ---------------------------------------------------
// Methods for serializing in protocol buffer format. Most of these
// are just simple wrappers around ByteSize() and SerializeWithCachedSizes().
// Write a protocol buffer of this message to the given output. Returns
// false on a write error. If the message is missing required fields,
// this may GOOGLE_CHECK-fail.
bool SerializeToCodedStream(io::CodedOutputStream* output) const;
// Like SerializeToCodedStream(), but allows missing required fields.
bool SerializePartialToCodedStream(io::CodedOutputStream* output) const;
// Write the message to the given zero-copy output stream. All required
// fields must be set.
bool SerializeToZeroCopyStream(io::ZeroCopyOutputStream* output) const;
// Like SerializeToZeroCopyStream(), but allows missing required fields.
bool SerializePartialToZeroCopyStream(io::ZeroCopyOutputStream* output) const;
// Serialize the message and store it in the given string. All required
// fields must be set.
bool SerializeToString(std::string* output) const;
// Like SerializeToString(), but allows missing required fields.
bool SerializePartialToString(std::string* output) const;
// Serialize the message and store it in the given byte array. All required
// fields must be set.
bool SerializeToArray(void* data, int size) const;
// Like SerializeToArray(), but allows missing required fields.
bool SerializePartialToArray(void* data, int size) const;
// Make a string encoding the message. Is equivalent to calling
// SerializeToString() on a string and using that. Returns the empty
// string if SerializeToString() would have returned an error.
// Note: If you intend to generate many such strings, you may
// reduce heap fragmentation by instead re-using the same string
// object with calls to SerializeToString().
std::string SerializeAsString() const;
// Like SerializeAsString(), but allows missing required fields.
std::string SerializePartialAsString() const;
// Serialize the message and write it to the given file descriptor. All
// required fields must be set.
bool SerializeToFileDescriptor(int file_descriptor) const;
// Like SerializeToFileDescriptor(), but allows missing required fields.
bool SerializePartialToFileDescriptor(int file_descriptor) const;
// Serialize the message and write it to the given C++ ostream. All
// required fields must be set.
bool SerializeToOstream(std::ostream* output) const;
// Like SerializeToOstream(), but allows missing required fields.
bool SerializePartialToOstream(std::ostream* output) const;
// Like SerializeToString(), but appends to the data to the string's
// existing contents. All required fields must be set.
bool AppendToString(std::string* output) const;
// Like AppendToString(), but allows missing required fields.
bool AppendPartialToString(std::string* output) const;
// Computes the serialized size of the message. This recursively calls
// ByteSizeLong() on all embedded messages.
//
// ByteSizeLong() is generally linear in the number of fields defined for the
// proto.
virtual size_t ByteSizeLong() const = 0;
// Legacy ByteSize() API.
PROTOBUF_DEPRECATED_MSG("Please use ByteSizeLong() instead")
int ByteSize() const { return internal::ToIntSize(ByteSizeLong()); }
// Serializes the message without recomputing the size. The message must not
// have changed since the last call to ByteSize(), and the value returned by
// ByteSize must be non-negative. Otherwise the results are undefined.
void SerializeWithCachedSizes(io::CodedOutputStream* output) const {
output->SetCur(_InternalSerialize(output->Cur(), output->EpsCopy()));
}
// Functions below here are not part of the public interface. It isn't
// enforced, but they should be treated as private, and will be private
// at some future time. Unfortunately the implementation of the "friend"
// keyword in GCC is broken at the moment, but we expect it will be fixed.
// Like SerializeWithCachedSizes, but writes directly to *target, returning
// a pointer to the byte immediately after the last byte written. "target"
// must point at a byte array of at least ByteSize() bytes. Whether to use
// deterministic serialization, e.g., maps in sorted order, is determined by
// CodedOutputStream::IsDefaultSerializationDeterministic().
uint8* SerializeWithCachedSizesToArray(uint8* target) const;
// Returns the result of the last call to ByteSize(). An embedded message's
// size is needed both to serialize it (because embedded messages are
// length-delimited) and to compute the outer message's size. Caching
// the size avoids computing it multiple times.
//
// ByteSize() does not automatically use the cached size when available
// because this would require invalidating it every time the message was
// modified, which would be too hard and expensive. (E.g. if a deeply-nested
// sub-message is changed, all of its parents' cached sizes would need to be
// invalidated, which is too much work for an otherwise inlined setter
// method.)
virtual int GetCachedSize() const = 0;
virtual const char* _InternalParse(const char* /*ptr*/,
internal::ParseContext* /*ctx*/) {
return nullptr;
}
protected:
template <typename T>
static T* CreateMaybeMessage(Arena* arena) {
return Arena::CreateMaybeMessage<T>(arena);
}
inline explicit MessageLite(Arena* arena, bool is_message_owned = false)
: _internal_metadata_(arena, is_message_owned) {}
// Returns the arena, if any, that directly owns this message and its internal
// memory (Arena::Own is different in that the arena doesn't directly own the
// internal memory). This method is used in proto's implementation for
// swapping, moving and setting allocated, for deciding whether the ownership
// of this message or its internal memory could be changed.
Arena* GetOwningArena() const { return _internal_metadata_.owning_arena(); }
// Returns the arena, used for allocating internal objects(e.g., child
// messages, etc), or owning incoming objects (e.g., set allocated).
Arena* GetArenaForAllocation() const { return _internal_metadata_.arena(); }
internal::InternalMetadata _internal_metadata_;
public:
enum ParseFlags {
kMerge = 0,
kParse = 1,
kMergePartial = 2,
kParsePartial = 3,
kMergeWithAliasing = 4,
kParseWithAliasing = 5,
kMergePartialWithAliasing = 6,
kParsePartialWithAliasing = 7
};
template <ParseFlags flags, typename T>
bool ParseFrom(const T& input);
// Fast path when conditions match (ie. non-deterministic)
// uint8* _InternalSerialize(uint8* ptr) const;
virtual uint8* _InternalSerialize(uint8* ptr,
io::EpsCopyOutputStream* stream) const = 0;
// Identical to IsInitialized() except that it logs an error message.
bool IsInitializedWithErrors() const {
if (IsInitialized()) return true;
LogInitializationErrorMessage();
return false;
}
private:
// TODO(gerbens) make this a pure abstract function
virtual const void* InternalGetTable() const { return NULL; }
friend class FastReflectionMessageMutator;
friend class FastReflectionStringSetter;
friend class Message;
friend class Reflection;
friend class internal::ExtensionSet;
friend class internal::LazyField;
friend class internal::SwapFieldHelper;
friend class internal::TcParserBase;
friend class internal::WeakFieldMap;
friend class internal::WireFormatLite;
template <typename Type>
friend class Arena::InternalHelper;
template <typename Type>
friend class internal::GenericTypeHandler;
void LogInitializationErrorMessage() const;
bool MergeFromImpl(io::CodedInputStream* input, ParseFlags parse_flags);
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageLite);
};
namespace internal {
template <bool alias>
bool MergeFromImpl(StringPiece input, MessageLite* msg,
MessageLite::ParseFlags parse_flags);
extern template bool MergeFromImpl<false>(StringPiece input,
MessageLite* msg,
MessageLite::ParseFlags parse_flags);
extern template bool MergeFromImpl<true>(StringPiece input,
MessageLite* msg,
MessageLite::ParseFlags parse_flags);
template <bool alias>
bool MergeFromImpl(io::ZeroCopyInputStream* input, MessageLite* msg,
MessageLite::ParseFlags parse_flags);
extern template bool MergeFromImpl<false>(io::ZeroCopyInputStream* input,
MessageLite* msg,
MessageLite::ParseFlags parse_flags);
extern template bool MergeFromImpl<true>(io::ZeroCopyInputStream* input,
MessageLite* msg,
MessageLite::ParseFlags parse_flags);
struct BoundedZCIS {
io::ZeroCopyInputStream* zcis;
int limit;
};
template <bool alias>
bool MergeFromImpl(BoundedZCIS input, MessageLite* msg,
MessageLite::ParseFlags parse_flags);
extern template bool MergeFromImpl<false>(BoundedZCIS input, MessageLite* msg,
MessageLite::ParseFlags parse_flags);
extern template bool MergeFromImpl<true>(BoundedZCIS input, MessageLite* msg,
MessageLite::ParseFlags parse_flags);
template <typename T>
struct SourceWrapper;
template <bool alias, typename T>
bool MergeFromImpl(const SourceWrapper<T>& input, MessageLite* msg,
MessageLite::ParseFlags parse_flags) {
return input.template MergeInto<alias>(msg, parse_flags);
}
} // namespace internal
template <MessageLite::ParseFlags flags, typename T>
bool MessageLite::ParseFrom(const T& input) {
if (flags & kParse) Clear();
constexpr bool alias = (flags & kMergeWithAliasing) != 0;
return internal::MergeFromImpl<alias>(input, this, flags);
}
// ===================================================================
// Shutdown support.
// Shut down the entire protocol buffers library, deleting all static-duration
// objects allocated by the library or by generated .pb.cc files.
//
// There are two reasons you might want to call this:
// * You use a draconian definition of "memory leak" in which you expect
// every single malloc() to have a corresponding free(), even for objects
// which live until program exit.
// * You are writing a dynamically-loaded library which needs to clean up
// after itself when the library is unloaded.
//
// It is safe to call this multiple times. However, it is not safe to use
// any other part of the protocol buffers library after
// ShutdownProtobufLibrary() has been called. Furthermore this call is not
// thread safe, user needs to synchronize multiple calls.
PROTOBUF_EXPORT void ShutdownProtobufLibrary();
namespace internal {
// Register a function to be called when ShutdownProtocolBuffers() is called.
PROTOBUF_EXPORT void OnShutdown(void (*func)());
// Run an arbitrary function on an arg
PROTOBUF_EXPORT void OnShutdownRun(void (*f)(const void*), const void* arg);
template <typename T>
T* OnShutdownDelete(T* p) {
OnShutdownRun([](const void* pp) { delete static_cast<const T*>(pp); }, p);
return p;
}
} // namespace internal
} // namespace protobuf
} // namespace google
#include <google/protobuf/port_undef.inc>
#endif // GOOGLE_PROTOBUF_MESSAGE_LITE_H__
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