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Devirtualize CheckTypeAndMergeFrom and use the existing function from

Browse Source 
ClassData.
This removes a virtual function and reduces binary size.

PiperOrigin-RevId: 634413330
pull/16818/head
Protobuf Team Bot 6 months ago committed by Copybara-Service
parent 0645439efa
commit c6cbaaeeee
13 changed files with 83 additions and 146 deletions
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  1. 52
      src/google/protobuf/compiler/cpp/message.cc
  2. 1
      src/google/protobuf/compiler/cpp/message.h
  3. 3
      src/google/protobuf/compiler/java/java_features.pb.cc
  4. 12
      src/google/protobuf/compiler/plugin.pb.cc
  5. 3
      src/google/protobuf/cpp_features.pb.cc
  6. 99
      src/google/protobuf/descriptor.pb.cc
  7. 2
      src/google/protobuf/dynamic_message.cc
  8. 12
      src/google/protobuf/implicit_weak_message.cc
  9. 9
      src/google/protobuf/implicit_weak_message.h
  10. 4
      src/google/protobuf/message.cc
  11. 1
      src/google/protobuf/message.h
  12. 10
      src/google/protobuf/message_lite.cc
  13. 21
      src/google/protobuf/message_lite.h

52
src/google/protobuf/compiler/cpp/message.cc
Unescape View File

@ -1713,10 +1713,14 @@ void MessageGenerator::GenerateClassDefinition(io::Printer* p) {
}
} else {
p->Emit(R"cc(
void CheckTypeAndMergeFrom(
const ::$proto_ns$::MessageLite& from) final;
void CopyFrom(const $classname$& from);
void MergeFrom(const $classname$& from);
void MergeFrom(const $classname$& from) { $classname$::MergeImpl(*this, from); }
private:
static void MergeImpl(::$proto_ns$::MessageLite& to_msg,
const ::$proto_ns$::MessageLite& from_msg);
public:
)cc");
}
@ -2240,9 +2244,6 @@ void MessageGenerator::GenerateClassMethods(io::Printer* p) {
GenerateByteSize(p);
p->Emit("\n");
GenerateMergeFrom(p);
p->Emit("\n");
GenerateClassSpecificMergeImpl(p);
p->Emit("\n");
@ -3698,10 +3699,10 @@ void MessageGenerator::GenerateClassData(io::Printer* p) {
$table$,
$on_demand_register_arena_dtor$,
$is_initialized$,
&$classname$::MergeImpl,
PROTOBUF_FIELD_OFFSET($classname$, $cached_size$),
false,
},
&$classname$::MergeImpl,
&$classname$::kDescriptorMethods,
&$desc_table$,
$tracker_on_get_metadata$,
@ -3727,6 +3728,7 @@ void MessageGenerator::GenerateClassData(io::Printer* p) {
&_table_.header,
$on_demand_register_arena_dtor$,
$is_initialized$,
&$classname$::MergeImpl,
PROTOBUF_FIELD_OFFSET($classname$, $cached_size$),
true,
},
@ -3739,22 +3741,6 @@ void MessageGenerator::GenerateClassData(io::Printer* p) {
}
}
void MessageGenerator::GenerateMergeFrom(io::Printer* p) {
Formatter format(p);
if (!HasDescriptorMethods(descriptor_->file(), options_)) {
// Generate CheckTypeAndMergeFrom().
// We pass `*this` instead of `default_instance()` to allow for ICF.
p->Emit(R"cc(
void $classname$::CheckTypeAndMergeFrom(
const ::$proto_ns$::MessageLite& from) {
$pbi$::AssertDownCast(from, *this);
MergeFrom(static_cast<const $classname$&>(from));
}
)cc");
}
}
bool MessageGenerator::RequiresArena(GeneratorFunction function) const {
for (const FieldDescriptor* field : FieldRange(descriptor_)) {
if (field_generators_.get(field).RequiresArena(function)) {
@ -3769,20 +3755,12 @@ void MessageGenerator::GenerateClassSpecificMergeImpl(io::Printer* p) {
// Generate the class-specific MergeFrom, which avoids the ABSL_CHECK and
// cast.
Formatter format(p);
if (!HasDescriptorMethods(descriptor_->file(), options_)) {
// For messages that don't inherit from Message, just implement MergeFrom
// directly.
format(
"void $classname$::MergeFrom(const $classname$& from) {\n"
" $classname$* const _this = this;\n");
} else {
format(
"void $classname$::MergeImpl(::$proto_ns$::MessageLite& to_msg, const "
"::$proto_ns$::MessageLite& from_msg) {\n"
"$WeakDescriptorSelfPin$"
" auto* const _this = static_cast<$classname$*>(&to_msg);\n"
" auto& from = static_cast<const $classname$&>(from_msg);\n");
}
format(
"void $classname$::MergeImpl(::$proto_ns$::MessageLite& to_msg, const "
"::$proto_ns$::MessageLite& from_msg) {\n"
"$WeakDescriptorSelfPin$"
" auto* const _this = static_cast<$classname$*>(&to_msg);\n"
" auto& from = static_cast<const $classname$&>(from_msg);\n");
format.Indent();
if (RequiresArena(GeneratorFunction::kMergeFrom)) {
p->Emit(R"cc(

1
src/google/protobuf/compiler/cpp/message.h
Unescape View File

@ -126,7 +126,6 @@ class MessageGenerator {
void GenerateMapEntryClassDefinition(io::Printer* p);
void GenerateAnyMethodDefinition(io::Printer* p);
void GenerateImplDefinition(io::Printer* p);
void GenerateMergeFrom(io::Printer* p);
void GenerateClassSpecificMergeImpl(io::Printer* p);
void GenerateCopyFrom(io::Printer* p);
void GenerateSwap(io::Printer* p);

3
src/google/protobuf/compiler/java/java_features.pb.cc
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@ -191,10 +191,10 @@ JavaFeatures::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&JavaFeatures::MergeImpl,
PROTOBUF_FIELD_OFFSET(JavaFeatures, _impl_._cached_size_),
false,
},
&JavaFeatures::MergeImpl,
&JavaFeatures::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fcompiler_2fjava_2fjava_5ffeatures_2eproto,
nullptr, // tracker
@ -316,7 +316,6 @@ PROTOBUF_NOINLINE void JavaFeatures::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void JavaFeatures::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<JavaFeatures*>(&to_msg);
auto& from = static_cast<const JavaFeatures&>(from_msg);

12
src/google/protobuf/compiler/plugin.pb.cc
Unescape View File

@ -367,10 +367,10 @@ Version::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&Version::MergeImpl,
PROTOBUF_FIELD_OFFSET(Version, _impl_._cached_size_),
false,
},
&Version::MergeImpl,
&Version::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fcompiler_2fplugin_2eproto,
nullptr, // tracker
@ -536,7 +536,6 @@ PROTOBUF_NOINLINE void Version::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void Version::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<Version*>(&to_msg);
auto& from = static_cast<const Version&>(from_msg);
@ -672,10 +671,10 @@ CodeGeneratorRequest::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
CodeGeneratorRequest::IsInitializedImpl,
&CodeGeneratorRequest::MergeImpl,
PROTOBUF_FIELD_OFFSET(CodeGeneratorRequest, _impl_._cached_size_),
false,
},
&CodeGeneratorRequest::MergeImpl,
&CodeGeneratorRequest::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fcompiler_2fplugin_2eproto,
nullptr, // tracker
@ -884,7 +883,6 @@ PROTOBUF_NOINLINE void CodeGeneratorRequest::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void CodeGeneratorRequest::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<CodeGeneratorRequest*>(&to_msg);
auto& from = static_cast<const CodeGeneratorRequest&>(from_msg);
@ -1030,10 +1028,10 @@ CodeGeneratorResponse_File::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&CodeGeneratorResponse_File::MergeImpl,
PROTOBUF_FIELD_OFFSET(CodeGeneratorResponse_File, _impl_._cached_size_),
false,
},
&CodeGeneratorResponse_File::MergeImpl,
&CodeGeneratorResponse_File::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fcompiler_2fplugin_2eproto,
nullptr, // tracker
@ -1209,7 +1207,6 @@ PROTOBUF_NOINLINE void CodeGeneratorResponse_File::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void CodeGeneratorResponse_File::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<CodeGeneratorResponse_File*>(&to_msg);
auto& from = static_cast<const CodeGeneratorResponse_File&>(from_msg);
@ -1344,10 +1341,10 @@ CodeGeneratorResponse::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&CodeGeneratorResponse::MergeImpl,
PROTOBUF_FIELD_OFFSET(CodeGeneratorResponse, _impl_._cached_size_),
false,
},
&CodeGeneratorResponse::MergeImpl,
&CodeGeneratorResponse::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fcompiler_2fplugin_2eproto,
nullptr, // tracker
@ -1543,7 +1540,6 @@ PROTOBUF_NOINLINE void CodeGeneratorResponse::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void CodeGeneratorResponse::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<CodeGeneratorResponse*>(&to_msg);
auto& from = static_cast<const CodeGeneratorResponse&>(from_msg);

3
src/google/protobuf/cpp_features.pb.cc
Unescape View File

@ -186,10 +186,10 @@ CppFeatures::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&CppFeatures::MergeImpl,
PROTOBUF_FIELD_OFFSET(CppFeatures, _impl_._cached_size_),
false,
},
&CppFeatures::MergeImpl,
&CppFeatures::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fcpp_5ffeatures_2eproto,
nullptr, // tracker
@ -311,7 +311,6 @@ PROTOBUF_NOINLINE void CppFeatures::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void CppFeatures::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<CppFeatures*>(&to_msg);
auto& from = static_cast<const CppFeatures&>(from_msg);

99
src/google/protobuf/descriptor.pb.cc
Unescape View File

@ -2451,10 +2451,10 @@ FileDescriptorSet::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FileDescriptorSet::IsInitializedImpl,
&FileDescriptorSet::MergeImpl,
PROTOBUF_FIELD_OFFSET(FileDescriptorSet, _impl_._cached_size_),
false,
},
&FileDescriptorSet::MergeImpl,
&FileDescriptorSet::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -2556,7 +2556,6 @@ PROTOBUF_NOINLINE void FileDescriptorSet::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FileDescriptorSet::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FileDescriptorSet*>(&to_msg);
auto& from = static_cast<const FileDescriptorSet&>(from_msg);
@ -2692,10 +2691,10 @@ FileDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FileDescriptorProto::IsInitializedImpl,
&FileDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(FileDescriptorProto, _impl_._cached_size_),
false,
},
&FileDescriptorProto::MergeImpl,
&FileDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -3093,7 +3092,6 @@ PROTOBUF_NOINLINE void FileDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FileDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FileDescriptorProto*>(&to_msg);
auto& from = static_cast<const FileDescriptorProto&>(from_msg);
@ -3279,10 +3277,10 @@ DescriptorProto_ExtensionRange::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
DescriptorProto_ExtensionRange::IsInitializedImpl,
&DescriptorProto_ExtensionRange::MergeImpl,
PROTOBUF_FIELD_OFFSET(DescriptorProto_ExtensionRange, _impl_._cached_size_),
false,
},
&DescriptorProto_ExtensionRange::MergeImpl,
&DescriptorProto_ExtensionRange::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -3426,7 +3424,6 @@ PROTOBUF_NOINLINE void DescriptorProto_ExtensionRange::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void DescriptorProto_ExtensionRange::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<DescriptorProto_ExtensionRange*>(&to_msg);
auto& from = static_cast<const DescriptorProto_ExtensionRange&>(from_msg);
@ -3541,10 +3538,10 @@ DescriptorProto_ReservedRange::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&DescriptorProto_ReservedRange::MergeImpl,
PROTOBUF_FIELD_OFFSET(DescriptorProto_ReservedRange, _impl_._cached_size_),
false,
},
&DescriptorProto_ReservedRange::MergeImpl,
&DescriptorProto_ReservedRange::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -3666,7 +3663,6 @@ PROTOBUF_NOINLINE void DescriptorProto_ReservedRange::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void DescriptorProto_ReservedRange::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<DescriptorProto_ReservedRange*>(&to_msg);
auto& from = static_cast<const DescriptorProto_ReservedRange&>(from_msg);
@ -3795,10 +3791,10 @@ DescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
DescriptorProto::IsInitializedImpl,
&DescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(DescriptorProto, _impl_._cached_size_),
false,
},
&DescriptorProto::MergeImpl,
&DescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -4141,7 +4137,6 @@ PROTOBUF_NOINLINE void DescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void DescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<DescriptorProto*>(&to_msg);
auto& from = static_cast<const DescriptorProto&>(from_msg);
@ -4312,10 +4307,10 @@ ExtensionRangeOptions_Declaration::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&ExtensionRangeOptions_Declaration::MergeImpl,
PROTOBUF_FIELD_OFFSET(ExtensionRangeOptions_Declaration, _impl_._cached_size_),
false,
},
&ExtensionRangeOptions_Declaration::MergeImpl,
&ExtensionRangeOptions_Declaration::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -4506,7 +4501,6 @@ PROTOBUF_NOINLINE void ExtensionRangeOptions_Declaration::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void ExtensionRangeOptions_Declaration::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<ExtensionRangeOptions_Declaration*>(&to_msg);
auto& from = static_cast<const ExtensionRangeOptions_Declaration&>(from_msg);
@ -4638,10 +4632,10 @@ ExtensionRangeOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
ExtensionRangeOptions::IsInitializedImpl,
&ExtensionRangeOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(ExtensionRangeOptions, _impl_._cached_size_),
false,
},
&ExtensionRangeOptions::MergeImpl,
&ExtensionRangeOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -4829,7 +4823,6 @@ PROTOBUF_NOINLINE void ExtensionRangeOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void ExtensionRangeOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<ExtensionRangeOptions*>(&to_msg);
auto& from = static_cast<const ExtensionRangeOptions&>(from_msg);
@ -4997,10 +4990,10 @@ FieldDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FieldDescriptorProto::IsInitializedImpl,
&FieldDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(FieldDescriptorProto, _impl_._cached_size_),
false,
},
&FieldDescriptorProto::MergeImpl,
&FieldDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -5327,7 +5320,6 @@ PROTOBUF_NOINLINE void FieldDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FieldDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FieldDescriptorProto*>(&to_msg);
auto& from = static_cast<const FieldDescriptorProto&>(from_msg);
@ -5491,10 +5483,10 @@ OneofDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
OneofDescriptorProto::IsInitializedImpl,
&OneofDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(OneofDescriptorProto, _impl_._cached_size_),
false,
},
&OneofDescriptorProto::MergeImpl,
&OneofDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -5623,7 +5615,6 @@ PROTOBUF_NOINLINE void OneofDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void OneofDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<OneofDescriptorProto*>(&to_msg);
auto& from = static_cast<const OneofDescriptorProto&>(from_msg);
@ -5733,10 +5724,10 @@ EnumDescriptorProto_EnumReservedRange::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&EnumDescriptorProto_EnumReservedRange::MergeImpl,
PROTOBUF_FIELD_OFFSET(EnumDescriptorProto_EnumReservedRange, _impl_._cached_size_),
false,
},
&EnumDescriptorProto_EnumReservedRange::MergeImpl,
&EnumDescriptorProto_EnumReservedRange::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -5858,7 +5849,6 @@ PROTOBUF_NOINLINE void EnumDescriptorProto_EnumReservedRange::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void EnumDescriptorProto_EnumReservedRange::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<EnumDescriptorProto_EnumReservedRange*>(&to_msg);
auto& from = static_cast<const EnumDescriptorProto_EnumReservedRange&>(from_msg);
@ -5977,10 +5967,10 @@ EnumDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
EnumDescriptorProto::IsInitializedImpl,
&EnumDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(EnumDescriptorProto, _impl_._cached_size_),
false,
},
&EnumDescriptorProto::MergeImpl,
&EnumDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -6190,7 +6180,6 @@ PROTOBUF_NOINLINE void EnumDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void EnumDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<EnumDescriptorProto*>(&to_msg);
auto& from = static_cast<const EnumDescriptorProto&>(from_msg);
@ -6332,10 +6321,10 @@ EnumValueDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
EnumValueDescriptorProto::IsInitializedImpl,
&EnumValueDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(EnumValueDescriptorProto, _impl_._cached_size_),
false,
},
&EnumValueDescriptorProto::MergeImpl,
&EnumValueDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -6484,7 +6473,6 @@ PROTOBUF_NOINLINE void EnumValueDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void EnumValueDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<EnumValueDescriptorProto*>(&to_msg);
auto& from = static_cast<const EnumValueDescriptorProto&>(from_msg);
@ -6620,10 +6608,10 @@ ServiceDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
ServiceDescriptorProto::IsInitializedImpl,
&ServiceDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(ServiceDescriptorProto, _impl_._cached_size_),
false,
},
&ServiceDescriptorProto::MergeImpl,
&ServiceDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -6781,7 +6769,6 @@ PROTOBUF_NOINLINE void ServiceDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void ServiceDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<ServiceDescriptorProto*>(&to_msg);
auto& from = static_cast<const ServiceDescriptorProto&>(from_msg);
@ -6930,10 +6917,10 @@ MethodDescriptorProto::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
MethodDescriptorProto::IsInitializedImpl,
&MethodDescriptorProto::MergeImpl,
PROTOBUF_FIELD_OFFSET(MethodDescriptorProto, _impl_._cached_size_),
false,
},
&MethodDescriptorProto::MergeImpl,
&MethodDescriptorProto::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -7147,7 +7134,6 @@ PROTOBUF_NOINLINE void MethodDescriptorProto::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void MethodDescriptorProto::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<MethodDescriptorProto*>(&to_msg);
auto& from = static_cast<const MethodDescriptorProto&>(from_msg);
@ -7338,10 +7324,10 @@ FileOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FileOptions::IsInitializedImpl,
&FileOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(FileOptions, _impl_._cached_size_),
false,
},
&FileOptions::MergeImpl,
&FileOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -7889,7 +7875,6 @@ PROTOBUF_NOINLINE void FileOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FileOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FileOptions*>(&to_msg);
auto& from = static_cast<const FileOptions&>(from_msg);
@ -8112,10 +8097,10 @@ MessageOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
MessageOptions::IsInitializedImpl,
&MessageOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(MessageOptions, _impl_._cached_size_),
false,
},
&MessageOptions::MergeImpl,
&MessageOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -8339,7 +8324,6 @@ PROTOBUF_NOINLINE void MessageOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void MessageOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<MessageOptions*>(&to_msg);
auto& from = static_cast<const MessageOptions&>(from_msg);
@ -8486,10 +8470,10 @@ FieldOptions_EditionDefault::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&FieldOptions_EditionDefault::MergeImpl,
PROTOBUF_FIELD_OFFSET(FieldOptions_EditionDefault, _impl_._cached_size_),
false,
},
&FieldOptions_EditionDefault::MergeImpl,
&FieldOptions_EditionDefault::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -8614,7 +8598,6 @@ PROTOBUF_NOINLINE void FieldOptions_EditionDefault::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FieldOptions_EditionDefault::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FieldOptions_EditionDefault*>(&to_msg);
auto& from = static_cast<const FieldOptions_EditionDefault&>(from_msg);
@ -8732,10 +8715,10 @@ FieldOptions_FeatureSupport::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&FieldOptions_FeatureSupport::MergeImpl,
PROTOBUF_FIELD_OFFSET(FieldOptions_FeatureSupport, _impl_._cached_size_),
false,
},
&FieldOptions_FeatureSupport::MergeImpl,
&FieldOptions_FeatureSupport::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -8902,7 +8885,6 @@ PROTOBUF_NOINLINE void FieldOptions_FeatureSupport::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FieldOptions_FeatureSupport::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FieldOptions_FeatureSupport*>(&to_msg);
auto& from = static_cast<const FieldOptions_FeatureSupport&>(from_msg);
@ -9046,10 +9028,10 @@ FieldOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FieldOptions::IsInitializedImpl,
&FieldOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(FieldOptions, _impl_._cached_size_),
false,
},
&FieldOptions::MergeImpl,
&FieldOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -9429,7 +9411,6 @@ PROTOBUF_NOINLINE void FieldOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FieldOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FieldOptions*>(&to_msg);
auto& from = static_cast<const FieldOptions&>(from_msg);
@ -9610,10 +9591,10 @@ OneofOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
OneofOptions::IsInitializedImpl,
&OneofOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(OneofOptions, _impl_._cached_size_),
false,
},
&OneofOptions::MergeImpl,
&OneofOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -9752,7 +9733,6 @@ PROTOBUF_NOINLINE void OneofOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void OneofOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<OneofOptions*>(&to_msg);
auto& from = static_cast<const OneofOptions&>(from_msg);
@ -9895,10 +9875,10 @@ EnumOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
EnumOptions::IsInitializedImpl,
&EnumOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(EnumOptions, _impl_._cached_size_),
false,
},
&EnumOptions::MergeImpl,
&EnumOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -10090,7 +10070,6 @@ PROTOBUF_NOINLINE void EnumOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void EnumOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<EnumOptions*>(&to_msg);
auto& from = static_cast<const EnumOptions&>(from_msg);
@ -10249,10 +10228,10 @@ EnumValueOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
EnumValueOptions::IsInitializedImpl,
&EnumValueOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(EnumValueOptions, _impl_._cached_size_),
false,
},
&EnumValueOptions::MergeImpl,
&EnumValueOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -10430,7 +10409,6 @@ PROTOBUF_NOINLINE void EnumValueOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void EnumValueOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<EnumValueOptions*>(&to_msg);
auto& from = static_cast<const EnumValueOptions&>(from_msg);
@ -10580,10 +10558,10 @@ ServiceOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
ServiceOptions::IsInitializedImpl,
&ServiceOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(ServiceOptions, _impl_._cached_size_),
false,
},
&ServiceOptions::MergeImpl,
&ServiceOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -10740,7 +10718,6 @@ PROTOBUF_NOINLINE void ServiceOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void ServiceOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<ServiceOptions*>(&to_msg);
auto& from = static_cast<const ServiceOptions&>(from_msg);
@ -10893,10 +10870,10 @@ MethodOptions::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
MethodOptions::IsInitializedImpl,
&MethodOptions::MergeImpl,
PROTOBUF_FIELD_OFFSET(MethodOptions, _impl_._cached_size_),
false,
},
&MethodOptions::MergeImpl,
&MethodOptions::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -11079,7 +11056,6 @@ PROTOBUF_NOINLINE void MethodOptions::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void MethodOptions::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<MethodOptions*>(&to_msg);
auto& from = static_cast<const MethodOptions&>(from_msg);
@ -11220,10 +11196,10 @@ UninterpretedOption_NamePart::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
UninterpretedOption_NamePart::IsInitializedImpl,
&UninterpretedOption_NamePart::MergeImpl,
PROTOBUF_FIELD_OFFSET(UninterpretedOption_NamePart, _impl_._cached_size_),
false,
},
&UninterpretedOption_NamePart::MergeImpl,
&UninterpretedOption_NamePart::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -11347,7 +11323,6 @@ PROTOBUF_NOINLINE void UninterpretedOption_NamePart::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void UninterpretedOption_NamePart::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<UninterpretedOption_NamePart*>(&to_msg);
auto& from = static_cast<const UninterpretedOption_NamePart&>(from_msg);
@ -11481,10 +11456,10 @@ UninterpretedOption::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
UninterpretedOption::IsInitializedImpl,
&UninterpretedOption::MergeImpl,
PROTOBUF_FIELD_OFFSET(UninterpretedOption, _impl_._cached_size_),
false,
},
&UninterpretedOption::MergeImpl,
&UninterpretedOption::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -11721,7 +11696,6 @@ PROTOBUF_NOINLINE void UninterpretedOption::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void UninterpretedOption::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<UninterpretedOption*>(&to_msg);
auto& from = static_cast<const UninterpretedOption&>(from_msg);
@ -11868,10 +11842,10 @@ FeatureSet::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FeatureSet::IsInitializedImpl,
&FeatureSet::MergeImpl,
PROTOBUF_FIELD_OFFSET(FeatureSet, _impl_._cached_size_),
false,
},
&FeatureSet::MergeImpl,
&FeatureSet::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -12077,7 +12051,6 @@ PROTOBUF_NOINLINE void FeatureSet::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FeatureSet::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FeatureSet*>(&to_msg);
auto& from = static_cast<const FeatureSet&>(from_msg);
@ -12220,10 +12193,10 @@ FeatureSetDefaults_FeatureSetEditionDefault::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FeatureSetDefaults_FeatureSetEditionDefault::IsInitializedImpl,
&FeatureSetDefaults_FeatureSetEditionDefault::MergeImpl,
PROTOBUF_FIELD_OFFSET(FeatureSetDefaults_FeatureSetEditionDefault, _impl_._cached_size_),
false,
},
&FeatureSetDefaults_FeatureSetEditionDefault::MergeImpl,
&FeatureSetDefaults_FeatureSetEditionDefault::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -12370,7 +12343,6 @@ PROTOBUF_NOINLINE void FeatureSetDefaults_FeatureSetEditionDefault::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FeatureSetDefaults_FeatureSetEditionDefault::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FeatureSetDefaults_FeatureSetEditionDefault*>(&to_msg);
auto& from = static_cast<const FeatureSetDefaults_FeatureSetEditionDefault&>(from_msg);
@ -12516,10 +12488,10 @@ FeatureSetDefaults::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
FeatureSetDefaults::IsInitializedImpl,
&FeatureSetDefaults::MergeImpl,
PROTOBUF_FIELD_OFFSET(FeatureSetDefaults, _impl_._cached_size_),
false,
},
&FeatureSetDefaults::MergeImpl,
&FeatureSetDefaults::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -12667,7 +12639,6 @@ PROTOBUF_NOINLINE void FeatureSetDefaults::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void FeatureSetDefaults::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<FeatureSetDefaults*>(&to_msg);
auto& from = static_cast<const FeatureSetDefaults&>(from_msg);
@ -12797,10 +12768,10 @@ SourceCodeInfo_Location::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&SourceCodeInfo_Location::MergeImpl,
PROTOBUF_FIELD_OFFSET(SourceCodeInfo_Location, _impl_._cached_size_),
false,
},
&SourceCodeInfo_Location::MergeImpl,
&SourceCodeInfo_Location::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -13018,7 +12989,6 @@ PROTOBUF_NOINLINE void SourceCodeInfo_Location::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void SourceCodeInfo_Location::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<SourceCodeInfo_Location*>(&to_msg);
auto& from = static_cast<const SourceCodeInfo_Location&>(from_msg);
@ -13123,10 +13093,10 @@ SourceCodeInfo::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&SourceCodeInfo::MergeImpl,
PROTOBUF_FIELD_OFFSET(SourceCodeInfo, _impl_._cached_size_),
false,
},
&SourceCodeInfo::MergeImpl,
&SourceCodeInfo::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -13228,7 +13198,6 @@ PROTOBUF_NOINLINE void SourceCodeInfo::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void SourceCodeInfo::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<SourceCodeInfo*>(&to_msg);
auto& from = static_cast<const SourceCodeInfo&>(from_msg);
@ -13338,10 +13307,10 @@ GeneratedCodeInfo_Annotation::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&GeneratedCodeInfo_Annotation::MergeImpl,
PROTOBUF_FIELD_OFFSET(GeneratedCodeInfo_Annotation, _impl_._cached_size_),
false,
},
&GeneratedCodeInfo_Annotation::MergeImpl,
&GeneratedCodeInfo_Annotation::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -13540,7 +13509,6 @@ PROTOBUF_NOINLINE void GeneratedCodeInfo_Annotation::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void GeneratedCodeInfo_Annotation::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<GeneratedCodeInfo_Annotation*>(&to_msg);
auto& from = static_cast<const GeneratedCodeInfo_Annotation&>(from_msg);
@ -13652,10 +13620,10 @@ GeneratedCodeInfo::GetClassData() const {
&_table_.header,
nullptr, // OnDemandRegisterArenaDtor
nullptr, // IsInitialized
&GeneratedCodeInfo::MergeImpl,
PROTOBUF_FIELD_OFFSET(GeneratedCodeInfo, _impl_._cached_size_),
false,
},
&GeneratedCodeInfo::MergeImpl,
&GeneratedCodeInfo::kDescriptorMethods,
&descriptor_table_google_2fprotobuf_2fdescriptor_2eproto,
nullptr, // tracker
@ -13757,7 +13725,6 @@ PROTOBUF_NOINLINE void GeneratedCodeInfo::Clear() {
return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
}
void GeneratedCodeInfo::MergeImpl(::google::protobuf::MessageLite& to_msg, const ::google::protobuf::MessageLite& from_msg) {
auto* const _this = static_cast<GeneratedCodeInfo*>(&to_msg);
auto& from = static_cast<const GeneratedCodeInfo&>(from_msg);

2
src/google/protobuf/dynamic_message.cc
Unescape View File

@ -273,10 +273,10 @@ struct DynamicMessageFactory::TypeInfo {
nullptr, // tc_table
nullptr, // on_demand_register_arena_dtor
DynamicMessage::IsInitializedImpl,
&DynamicMessage::MergeImpl,
PROTOBUF_FIELD_OFFSET(DynamicMessage, cached_byte_size_),
false,
},
&DynamicMessage::MergeImpl,
&DynamicMessage::kDescriptorMethods,
nullptr, // descriptor_table
nullptr, // get_metadata_tracker

12
src/google/protobuf/implicit_weak_message.cc
Unescape View File

@ -7,6 +7,8 @@
#include "google/protobuf/implicit_weak_message.h"
#include <string>
#include "google/protobuf/generated_message_tctable_decl.h"
#include "google/protobuf/message_lite.h"
#include "google/protobuf/parse_context.h"
@ -25,6 +27,15 @@ const char* ImplicitWeakMessage::ParseImpl(ImplicitWeakMessage* msg,
return ctx->AppendString(ptr, msg->data_);
}
void ImplicitWeakMessage::MergeImpl(MessageLite& self,
const MessageLite& other) {
const std::string* other_data =
static_cast<const ImplicitWeakMessage&>(other).data_;
if (other_data != nullptr) {
static_cast<ImplicitWeakMessage&>(self).data_->append(*other_data);
}
}
struct ImplicitWeakMessageDefaultType {
constexpr ImplicitWeakMessageDefaultType()
: instance(ConstantInitialized{}) {}
@ -55,6 +66,7 @@ const MessageLite::ClassData* ImplicitWeakMessage::GetClassData() const {
&table.header,
nullptr, // on_demand_register_arena_dtor
nullptr, // is_initialized (always true)
MergeImpl,
PROTOBUF_FIELD_OFFSET(ImplicitWeakMessage, cached_size_),
true,
},

9
src/google/protobuf/implicit_weak_message.h
Unescape View File

@ -64,14 +64,6 @@ class PROTOBUF_EXPORT ImplicitWeakMessage : public MessageLite {
void Clear() override { data_->clear(); }
void CheckTypeAndMergeFrom(const MessageLite& other) override {
const std::string* other_data =
static_cast<const ImplicitWeakMessage&>(other).data_;
if (other_data != nullptr) {
data_->append(*other_data);
}
}
size_t ByteSizeLong() const override {
size_t size = data_ == nullptr ? 0 : data_->size();
cached_size_.Set(internal::ToCachedSize(size));
@ -92,6 +84,7 @@ class PROTOBUF_EXPORT ImplicitWeakMessage : public MessageLite {
private:
static const char* ParseImpl(ImplicitWeakMessage* msg, const char* ptr,
ParseContext* ctx);
static void MergeImpl(MessageLite&, const MessageLite&);
// This std::string is allocated on the heap, but we use a raw pointer so that
// the default instance can be constant-initialized. In the const methods, we

4
src/google/protobuf/message.cc
Unescape View File

@ -80,10 +80,6 @@ void Message::MergeFrom(const Message& from) {
}
}
void Message::CheckTypeAndMergeFrom(const MessageLite& other) {
MergeFrom(DownCastToMessage(other));
}
void Message::CopyFrom(const Message& from) {
if (&from == this) return;

1
src/google/protobuf/message.h
Unescape View File

@ -345,7 +345,6 @@ class PROTOBUF_EXPORT Message : public MessageLite {
void Clear() override;
void CheckTypeAndMergeFrom(const MessageLite& other) override;
size_t ByteSizeLong() const override;
uint8_t* _InternalSerialize(uint8_t* target,
io::EpsCopyOutputStream* stream) const override;

10
src/google/protobuf/message_lite.cc
Unescape View File

@ -45,6 +45,16 @@
namespace google {
namespace protobuf {
void MessageLite::CheckTypeAndMergeFrom(const MessageLite& other) {
auto* data = GetClassData();
auto* other_data = other.GetClassData();
ABSL_CHECK_EQ(data, other_data)
<< "Invalid call to CheckTypeAndMergeFrom between types " << GetTypeName()
<< " and " << other.GetTypeName();
data->merge_to_from(*this, other);
}
bool MessageLite::IsInitialized() const {
auto* data = GetClassData();
return data->is_initialized != nullptr ? data->is_initialized(*this) : true;

21
src/google/protobuf/message_lite.h
Unescape View File

@ -255,7 +255,7 @@ class PROTOBUF_EXPORT MessageLite {
// If |other| is the exact same class as this, calls MergeFrom(). Otherwise,
// results are undefined (probably crash).
virtual void CheckTypeAndMergeFrom(const MessageLite& other) = 0;
void CheckTypeAndMergeFrom(const MessageLite& other);
// These methods return a human-readable summary of the message. Note that
// since the MessageLite interface does not support reflection, there is very
@ -560,6 +560,7 @@ class PROTOBUF_EXPORT MessageLite {
const internal::TcParseTableBase* tc_table;
void (*on_demand_register_arena_dtor)(MessageLite& msg, Arena& arena);
bool (*is_initialized)(const MessageLite&);
void (*merge_to_from)(MessageLite& to, const MessageLite& from_msg);
// Offset of the CachedSize member.
uint32_t cached_size_offset;
@ -567,25 +568,17 @@ class PROTOBUF_EXPORT MessageLite {
// char[] just beyond the ClassData.
bool is_lite;
// XXX REMOVE XXX
constexpr ClassData(const internal::TcParseTableBase* tc_table,
void (*on_demand_register_arena_dtor)(MessageLite&,
Arena&),
uint32_t cached_size_offset, bool is_lite)
: tc_table(tc_table),
on_demand_register_arena_dtor(on_demand_register_arena_dtor),
is_initialized(nullptr),
cached_size_offset(cached_size_offset),
is_lite(is_lite) {}
constexpr ClassData(const internal::TcParseTableBase* tc_table,
void (*on_demand_register_arena_dtor)(MessageLite&,
Arena&),
bool (*is_initialized)(const MessageLite&),
void (*merge_to_from)(MessageLite& to,
const MessageLite& from_msg),
uint32_t cached_size_offset, bool is_lite)
: tc_table(tc_table),
on_demand_register_arena_dtor(on_demand_register_arena_dtor),
is_initialized(is_initialized),
merge_to_from(merge_to_from),
cached_size_offset(cached_size_offset),
is_lite(is_lite) {}
@ -603,13 +596,10 @@ class PROTOBUF_EXPORT MessageLite {
};
struct ClassDataFull : ClassData {
constexpr ClassDataFull(ClassData base,
void (*merge_to_from)(MessageLite& to,
const MessageLite& from_msg),
const DescriptorMethods* descriptor_methods,
const internal::DescriptorTable* descriptor_table,
void (*get_metadata_tracker)())
: ClassData(base),
merge_to_from(merge_to_from),
descriptor_methods(descriptor_methods),
descriptor_table(descriptor_table),
reflection(),
@ -618,7 +608,6 @@ class PROTOBUF_EXPORT MessageLite {
constexpr const ClassData* base() const { return this; }
void (*merge_to_from)(MessageLite& to, const MessageLite& from_msg);
const DescriptorMethods* descriptor_methods;
// Codegen types will provide a DescriptorTable to do lazy

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