diff options
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_message.cc')
| -rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_message.cc | 811 |
1 files changed, 573 insertions, 238 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_message.cc b/src/google/protobuf/compiler/cpp/cpp_message.cc index d9524f64..752673d0 100644 --- a/src/google/protobuf/compiler/cpp/cpp_message.cc +++ b/src/google/protobuf/compiler/cpp/cpp_message.cc @@ -52,6 +52,8 @@ #include <google/protobuf/io/printer.h> #include <google/protobuf/descriptor.pb.h> #include <google/protobuf/generated_message_table_driven.h> +#include <google/protobuf/generated_message_util.h> +#include <google/protobuf/map_entry_lite.h> #include <google/protobuf/wire_format.h> #include <google/protobuf/stubs/strutil.h> #include <google/protobuf/stubs/substitute.h> @@ -280,7 +282,7 @@ void OptimizePadding(std::vector<const FieldDescriptor*>* fields, enum Family { REPEATED = 0, STRING = 1, - MESSAGE = 2, + MESSAGE = 3, ZERO_INITIALIZABLE = 4, OTHER = 5, kMaxFamily @@ -452,22 +454,13 @@ bool HasPrivateHasMethod(const FieldDescriptor* field) { } -bool TableDrivenEnabled(const Descriptor* descriptor, const Options& options) { +bool TableDrivenParsingEnabled( + const Descriptor* descriptor, const Options& options) { if (!options.table_driven_parsing) { return false; } // Consider table-driven parsing. We only do this if: - // - There are no extensions - if (descriptor->extension_range_count() != 0) { - return false; - } - - // - We are not using UnknownFieldSet (part of the non-lite library). - if (UseUnknownFieldSet(descriptor->file(), options)) { - return false; - } - // - We have has_bits for fields. This avoids a check on every field we set // when are present (the common case). if (!HasFieldPresence(descriptor->file())) { @@ -482,16 +475,6 @@ bool TableDrivenEnabled(const Descriptor* descriptor, const Options& options) { max_field_number = field->number(); } - // - There are no map fields. - if (field->is_map()) { - return false; - } - - // - There are no oneof fields. - if (field->containing_oneof()) { - return false; - } - // - There are no weak fields. if (field->options().weak()) { return false; @@ -503,8 +486,10 @@ bool TableDrivenEnabled(const Descriptor* descriptor, const Options& options) { return false; } - // - Field numbers are relatively dense within the actual number of fields - if (max_field_number * table_sparseness >= descriptor->field_count()) { + // - Field numbers are relatively dense within the actual number of fields. + // We check for strictly greater than in the case where there are no fields + // (only extensions) so max_field_number == descriptor->field_count() == 0. + if (max_field_number * table_sparseness > descriptor->field_count()) { return false; } @@ -516,6 +501,31 @@ bool TableDrivenEnabled(const Descriptor* descriptor, const Options& options) { return true; } +void SetUnknkownFieldsVariable(const Descriptor* descriptor, + const Options& options, + std::map<string, string>* variables) { + if (UseUnknownFieldSet(descriptor->file(), options)) { + (*variables)["unknown_fields_type"] = "::google::protobuf::UnknownFieldSet"; + } else { + (*variables)["unknown_fields_type"] = "::std::string"; + } + if (AlwaysPreserveUnknownFields(descriptor)) { + (*variables)["have_unknown_fields"] = + "_internal_metadata_.have_unknown_fields()"; + (*variables)["unknown_fields"] = "_internal_metadata_.unknown_fields()"; + } else { + (*variables)["have_unknown_fields"] = + "(_internal_metadata_.have_unknown_fields() && " + " ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())"; + (*variables)["unknown_fields"] = + "(::google::protobuf::internal::GetProto3PreserveUnknownsDefault()" + " ? _internal_metadata_.unknown_fields()" + " : _internal_metadata_.default_instance())"; + } + (*variables)["mutable_unknown_fields"] = + "_internal_metadata_.mutable_unknown_fields()"; +} + } // anonymous namespace // =================================================================== @@ -592,7 +602,7 @@ MessageGenerator::MessageGenerator(const Descriptor* descriptor, use_dependent_base_ = true; } - table_driven_ = TableDrivenEnabled(descriptor_, options_); + table_driven_ = TableDrivenParsingEnabled(descriptor_, options_); } MessageGenerator::~MessageGenerator() {} @@ -703,24 +713,29 @@ GenerateFieldAccessorDeclarations(io::Printer* printer) { } if (field->is_repeated()) { - printer->Print(vars, "$deprecated_attr$int $name$_size() const;\n"); + printer->Print(vars, "$deprecated_attr$int ${$$name$_size$}$() const;\n"); + printer->Annotate("{", "}", field); } else if (HasHasMethod(field)) { - printer->Print(vars, "$deprecated_attr$bool has_$name$() const;\n"); + printer->Print(vars, "$deprecated_attr$bool ${$has_$name$$}$() const;\n"); + printer->Annotate("{", "}", field); } else if (HasPrivateHasMethod(field)) { printer->Print(vars, - "private:\n" - "bool has_$name$() const;\n" - "public:\n"); + "private:\n" + "bool ${$has_$name$$}$() const;\n" + "public:\n"); + printer->Annotate("{", "}", field); } if (!dependent_field) { // If this field is dependent, then its clear_() method is in the // depenent base class. (See also GenerateDependentAccessorDeclarations.) - printer->Print(vars, "$deprecated_attr$void clear_$name$();\n"); + printer->Print(vars, "$deprecated_attr$void ${$clear_$name$$}$();\n"); + printer->Annotate("{", "}", field); } printer->Print(vars, "$deprecated_attr$static const int $constant_name$ = " "$number$;\n"); + printer->Annotate("constant_name", field); // Generate type-specific accessor declarations. field_generators_.get(field).GenerateAccessorDeclarations(printer); @@ -1074,32 +1089,39 @@ GenerateClassDefinition(io::Printer* printer) { printer->Print(" public:\n"); printer->Indent(); - printer->Print(vars, - "$classname$();\n" - "virtual ~$classname$();\n" - "\n" - "$classname$(const $classname$& from);\n" - "\n" - "inline $classname$& operator=(const $classname$& from) {\n" - " CopyFrom(from);\n" - " return *this;\n" - "}\n" - "\n"); + printer->Print( + vars, + "$classname$();\n" + "virtual ~$classname$();\n" + "\n" + "$classname$(const $classname$& from);\n" + "\n" + "inline $classname$& operator=(const $classname$& from) {\n" + " CopyFrom(from);\n" + " return *this;\n" + "}\n"); + + if (options_.table_driven_serialization) { + printer->Print( + "private:\n" + "const void* InternalGetTable() const;\n" + "public:\n" + "\n"); + } // Generate move constructor and move assignment operator for types other than // Any. - #ifdef PROTO_EXPERIMENTAL_ENABLE_MOVE if (!IsAnyMessage(descriptor_)) { printer->Print(vars, "#if LANG_CXX11\n" - "$classname$($classname$&& from)\n" + "$classname$($classname$&& from) noexcept\n" " : $classname$() {\n" " *this = ::std::move(from);\n" "}\n" "\n" - "inline $classname$& operator=($classname$&& from) {\n" + "inline $classname$& operator=($classname$&& from) noexcept {\n" " if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {\n" - " InternalSwap(&from);\n" + " if (this != &from) InternalSwap(&from);\n" " } else {\n" " CopyFrom(from);\n" " }\n" @@ -1107,22 +1129,17 @@ GenerateClassDefinition(io::Printer* printer) { "}\n" "#endif\n"); } - #endif - if (PreserveUnknownFields(descriptor_)) { - string type = UseUnknownFieldSet(descriptor_->file(), options_) - ? "::google::protobuf::UnknownFieldSet" - : "::std::string"; - printer->Print( - "inline const $type$& unknown_fields() const {\n" - " return _internal_metadata_.unknown_fields();\n" - "}\n" - "\n" - "inline $type$* mutable_unknown_fields() {\n" - " return _internal_metadata_.mutable_unknown_fields();\n" - "}\n" - "\n", - "type", type ); + SetUnknkownFieldsVariable(descriptor_, options_, &vars); + if (PublicUnknownFieldsAccessors(descriptor_)) { + printer->Print(vars, + "inline const $unknown_fields_type$& unknown_fields() const {\n" + " return $unknown_fields$;\n" + "}\n" + "inline $unknown_fields_type$* mutable_unknown_fields() {\n" + " return $mutable_unknown_fields$;\n" + "}\n" + "\n"); } // N.B.: We exclude GetArena() when arena support is disabled, falling back on @@ -1190,7 +1207,6 @@ GenerateClassDefinition(io::Printer* printer) { " $message_index$;\n" "\n"); - if (SupportsArenas(descriptor_)) { printer->Print(vars, "void UnsafeArenaSwap($classname$* other);\n"); @@ -1214,6 +1230,9 @@ GenerateClassDefinition(io::Printer* printer) { printer->Print(vars, "void Swap($classname$* other);\n" + "friend void swap($classname$& a, $classname$& b) {\n" + " a.Swap(&b);\n" + "}\n" "\n" "// implements Message ----------------------------------------------\n" "\n" @@ -1250,9 +1269,14 @@ GenerateClassDefinition(io::Printer* printer) { "\n" "size_t ByteSizeLong() const PROTOBUF_FINAL;\n" "bool MergePartialFromCodedStream(\n" - " ::google::protobuf::io::CodedInputStream* input)$merge_partial_final$;\n" - "void SerializeWithCachedSizes(\n" - " ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;\n"); + " ::google::protobuf::io::CodedInputStream* input)$merge_partial_final$;\n"); + if (!options_.table_driven_serialization || + descriptor_->options().message_set_wire_format()) { + printer->Print( + "void SerializeWithCachedSizes(\n" + " ::google::protobuf::io::CodedOutputStream* output) const " + "PROTOBUF_FINAL;\n"); + } // DiscardUnknownFields() is implemented in message.cc using reflections. We // need to implement this function in generated code for messages. if (!UseUnknownFieldSet(descriptor_->file(), options_)) { @@ -1278,6 +1302,9 @@ GenerateClassDefinition(io::Printer* printer) { "final", use_final); if (SupportsArenas(descriptor_)) { printer->Print( + // TODO(gerbens) Make this private! Currently people are deriving from + // protos to give access to this constructor, breaking the invariants + // we rely on. "protected:\n" "explicit $classname$(::google::protobuf::Arena* arena);\n" "private:\n" @@ -1443,7 +1470,7 @@ GenerateClassDefinition(io::Printer* printer) { if (SupportsArenas(descriptor_)) { printer->Print( - "friend class ::google::protobuf::Arena;\n" + "template <typename T> friend class ::google::protobuf::Arena::InternalHelper;\n" "typedef void InternalArenaConstructable_;\n" "typedef void DestructorSkippable_;\n"); } @@ -1639,9 +1666,44 @@ bool MessageGenerator::GenerateParseTable(io::Printer* printer, size_t offset, " $classname$, _has_bits_),\n"); } + if (descriptor_->oneof_decl_count() > 0) { + printer->Print(vars, + "GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(\n" + " $classname$, _oneof_case_),\n"); + } else { + printer->Print("-1, // no _oneof_case_\n"); + } + + if (descriptor_->extension_range_count() > 0) { + printer->Print(vars, + "GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($classname$, " + "_extensions_),\n"); + } else { + printer->Print("-1, // no _extensions_\n"); + } + + // TODO(ckennelly): Consolidate this with the calculation for + // AuxillaryParseTableField. + std::vector<string> package_parts; + + const Descriptor* outer = descriptor_; + while (outer->containing_type() != NULL) { + outer = outer->containing_type(); + } + + package_parts = Split( + outer->full_name(), ".", true); + // outer->full_name() contains the class itself. Remove it as it is + // used in the name of the default instance variable. + GOOGLE_DCHECK_NE(package_parts.size(), 0); + package_parts.back().clear(); + + vars["ns"] = Join(package_parts, "::"); + printer->Print(vars, "GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(\n" - " $classname$, _internal_metadata_),\n"); + " $classname$, _internal_metadata_),\n" + "&::$ns$_$classname$_default_instance_,\n"); if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print(vars, "true,\n"); @@ -1670,6 +1732,239 @@ void MessageGenerator::GenerateSchema(io::Printer* printer, int offset, "{ $offset$, $has_bits_offsets$, sizeof($classname$)},\n"); } +namespace { + +// TODO(gerbens) remove this after the next sync with GitHub code base. +// Then the opensource testing has gained the functionality to compile +// the CalcFieldNum given the symbols defined in generated-message-util. +#ifdef OPENSOURCE_PROTOBUF_CPP_BOOTSTRAP +// We need a clean version of CalcFieldNum that doesn't use new functionality +// in the runtime, because this functionality is not yet in the opensource +// runtime + +uint32 CalculateType(uint32 type, uint32 type_class) { + return (type - 1) + type_class * 20; +} + +uint32 CalcFieldNum(const FieldDescriptor* field, const Options& options) { + bool is_a_map = IsMapEntryMessage(field->containing_type()); + int type = field->type(); + if (field->containing_oneof()) { + return CalculateType(type, 4); + } + if (field->is_packed()) { + return CalculateType(type, 3); + } else if (field->is_repeated()) { + return CalculateType(type, 2); + } else if (!HasFieldPresence(field->file()) && + field->containing_oneof() == NULL && !is_a_map) { + return CalculateType(type, 1); + } else { + return CalculateType(type, 0); + } +} + +#else +// We need to calculate for each field what function the table driven code +// should use to serialize it. This returns the index in a lookup table. +uint32 CalcFieldNum(const FieldDescriptor* field, const Options& options) { + bool is_a_map = IsMapEntryMessage(field->containing_type()); + int type = field->type(); + if (field->containing_oneof()) { + return internal::FieldMetadata::CalculateType( + type, internal::FieldMetadata::kOneOf); + } + if (field->is_packed()) { + return internal::FieldMetadata::CalculateType( + type, internal::FieldMetadata::kPacked); + } else if (field->is_repeated()) { + return internal::FieldMetadata::CalculateType( + type, internal::FieldMetadata::kRepeated); + } else if (!HasFieldPresence(field->file()) && + field->containing_oneof() == NULL && !is_a_map) { + return internal::FieldMetadata::CalculateType( + type, internal::FieldMetadata::kNoPresence); + } else { + return internal::FieldMetadata::CalculateType( + type, internal::FieldMetadata::kPresence); + } +} +#endif + +int FindMessageIndexInFile(const Descriptor* descriptor) { + std::vector<const Descriptor*> flatten = + FlattenMessagesInFile(descriptor->file()); + return std::find(flatten.begin(), flatten.end(), descriptor) - + flatten.begin(); +} + +} // namespace + +int MessageGenerator::GenerateFieldMetadata(io::Printer* printer) { + if (!options_.table_driven_serialization) { + return 0; + } + + std::vector<const FieldDescriptor*> sorted = SortFieldsByNumber(descriptor_); + if (IsMapEntryMessage(descriptor_)) { + for (int i = 0; i < 2; i++) { + const FieldDescriptor* field = sorted[i]; + uint32 tag = internal::WireFormatLite::MakeTag( + field->number(), WireFormat::WireTypeForFieldType(field->type())); + + std::map<string, string> vars; + vars["classname"] = classname_; + vars["parent_classname"] = + ClassName(descriptor_->containing_type(), false); + vars["field_name"] = FieldName(field); + vars["tag"] = SimpleItoa(tag); + vars["hasbit"] = SimpleItoa(i); + vars["type"] = SimpleItoa(CalcFieldNum(field, options_)); + vars["ptr"] = "NULL"; + if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { + GOOGLE_CHECK(!IsMapEntryMessage(field->message_type())); + { + vars["ptr"] = + QualifiedFileLevelSymbol( + field->message_type()->file()->package(), + FileLevelNamespace(field->message_type()->file()->name())) + + "::TableStruct::serialization_table + " + + SimpleItoa(FindMessageIndexInFile(field->message_type())); + } + } + vars["extra"] = HasDescriptorMethods(descriptor_->file(), options_) + ? "::SuperType" + : ""; + printer->Print(vars, + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(" + "::google::protobuf::internal::MapEntryHelper<$parent_classname$::$" + "classname$$extra$>, $field_name$_), $tag$," + "GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(" + "::google::protobuf::internal::MapEntryHelper<$parent_classname$::$" + "classname$$extra$>, _has_bits_) * 8 + $hasbit$, $type$, " + "$ptr$},\n"); + } + return 2; + } + printer->Print( + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($classname$, " + "_cached_size_), 0, 0, 0, NULL},\n", + "classname", classname_); + std::vector<const Descriptor::ExtensionRange*> sorted_extensions; + for (int i = 0; i < descriptor_->extension_range_count(); ++i) { + sorted_extensions.push_back(descriptor_->extension_range(i)); + } + std::sort(sorted_extensions.begin(), sorted_extensions.end(), + ExtensionRangeSorter()); + for (int i = 0, extension_idx = 0; /* no range */; i++) { + for (; extension_idx < sorted_extensions.size() && + (i == sorted.size() || + sorted_extensions[extension_idx]->start < sorted[i]->number()); + extension_idx++) { + const Descriptor::ExtensionRange* range = + sorted_extensions[extension_idx]; + printer->Print( + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($classname$, " + "_extensions_), $start$, $end$, " + "::google::protobuf::internal::FieldMetadata::kSpecial, " + "reinterpret_cast<const " + "void*>(::google::protobuf::internal::ExtensionSerializer)},\n", + "classname", classname_, "start", SimpleItoa(range->start), "end", + SimpleItoa(range->end)); + } + if (i == sorted.size()) break; + const FieldDescriptor* field = sorted[i]; + + uint32 tag = internal::WireFormatLite::MakeTag( + field->number(), WireFormat::WireTypeForFieldType(field->type())); + if (field->is_packed()) { + tag = internal::WireFormatLite::MakeTag( + field->number(), WireFormatLite::WIRETYPE_LENGTH_DELIMITED); + } + + string classfieldname = FieldName(field); + if (field->containing_oneof()) { + classfieldname = field->containing_oneof()->name(); + } + std::map<string, string> vars; + vars["classname"] = classname_; + vars["field_name"] = classfieldname; + vars["tag"] = SimpleItoa(tag); + vars["ptr"] = "NULL"; + if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { + if (IsMapEntryMessage(field->message_type())) { + vars["idx"] = SimpleItoa(FindMessageIndexInFile(field->message_type())); + vars["fieldclassname"] = ClassName(field->message_type(), false); + printer->Print(vars, + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, $field_name$_), $tag$, $idx$, " + "::google::protobuf::internal::FieldMetadata::kSpecial, " + "reinterpret_cast<const void*>(static_cast< " + "::google::protobuf::internal::SpecialSerializer>(" + "::google::protobuf::internal::MapFieldSerializer< " + "::google::protobuf::internal::MapEntryToMapField<$classname$::$" + "fieldclassname$>::MapFieldType, " + "TableStruct::serialization_table>))},\n"); + continue; + } else { + vars["ptr"] = + QualifiedFileLevelSymbol( + field->message_type()->file()->package(), + FileLevelNamespace(field->message_type()->file()->name())) + + "::TableStruct::serialization_table + " + + SimpleItoa(FindMessageIndexInFile(field->message_type())); + } + } + vars["type"] = SimpleItoa(CalcFieldNum(field, options_)); + + + if (field->options().weak()) { + // TODO(gerbens) merge weak fields into ranges + printer->Print(vars, + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, _weak_field_map_), $tag$, $tag$, " + "::google::protobuf::internal::FieldMetadata::kSpecial, " + "reinterpret_cast<const " + "void*>(::google::protobuf::internal::WeakFieldSerializer)},\n"); + } else if (field->containing_oneof()) { + vars["oneofoffset"] = + SimpleItoa(sizeof(uint32) * field->containing_oneof()->index()); + printer->Print(vars, + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, $field_name$_), $tag$, " + "GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, _oneof_case_) + $oneofoffset$, " + "$type$, $ptr$},\n"); + } else if (HasFieldPresence(descriptor_->file()) && + has_bit_indices_[field->index()] != -1) { + vars["hasbitsoffset"] = SimpleItoa(has_bit_indices_[field->index()]); + printer->Print(vars, + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, $field_name$_), $tag$, " + "GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, _has_bits_) * 8 + $hasbitsoffset$, $type$, " + "$ptr$},\n"); + } else { + printer->Print(vars, + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($" + "classname$, $field_name$_), $tag$, ~0u, $type$, " + "$ptr$},\n"); + } + } + int num_field_metadata = 1 + sorted.size() + sorted_extensions.size(); + num_field_metadata++; + string serializer = UseUnknownFieldSet(descriptor_->file(), options_) + ? "::google::protobuf::internal::UnknownFieldSetSerializer" + : "::google::protobuf::internal::UnknownFieldSerializerLite"; + printer->Print( + "{GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET($classname$, " + "_internal_metadata_), 0, ~0u, " + "::google::protobuf::internal::FieldMetadata::kSpecial, reinterpret_cast<const " + "void*>($serializer$)},\n", + "classname", classname_, "serializer", serializer); + return num_field_metadata; +} + void MessageGenerator:: GenerateDefaultInstanceAllocator(io::Printer* printer) { // Construct the default instances of all fields, as they will be used @@ -1732,25 +2027,6 @@ GenerateDefaultInstanceInitializer(io::Printer* printer) { } void MessageGenerator:: -GenerateShutdownCode(io::Printer* printer) { - if (IsMapEntryMessage(descriptor_)) return; - - printer->Print("_$classname$_default_instance_.Shutdown();\n", "classname", - classname_); - - if (HasDescriptorMethods(descriptor_->file(), options_)) { - printer->Print("delete file_level_metadata[$index$].reflection;\n", "index", - SimpleItoa(index_in_file_messages_)); - } - - // Handle default instances of fields. - for (int i = 0; i < descriptor_->field_count(); i++) { - field_generators_.get(descriptor_->field(i)) - .GenerateShutdownCode(printer); - } -} - -void MessageGenerator:: GenerateClassMethods(io::Printer* printer) { if (IsMapEntryMessage(descriptor_)) { if (HasDescriptorMethods(descriptor_->file(), options_)) { @@ -1854,6 +2130,15 @@ GenerateClassMethods(io::Printer* printer) { GenerateSwap(printer); printer->Print("\n"); + if (options_.table_driven_serialization) { + printer->Print( + "const void* $classname$::InternalGetTable() const {\n" + " return $file_namespace$::TableStruct::serialization_table + $index$;\n" + "}\n" + "\n", + "classname", classname_, "index", SimpleItoa(index_in_file_messages_), + "file_namespace", FileLevelNamespace(descriptor_->file()->name())); + } if (HasDescriptorMethods(descriptor_->file(), options_)) { printer->Print( "::google::protobuf::Metadata $classname$::GetMetadata() const {\n" @@ -1926,13 +2211,25 @@ size_t MessageGenerator::GenerateParseOffsets(io::Printer* printer) { processing_type |= static_cast<unsigned>( field->is_repeated() ? internal::kRepeatedMask : 0); + processing_type |= static_cast<unsigned>( + field->containing_oneof() ? internal::kOneofMask : 0); + + if (field->is_map()) { + processing_type = internal::TYPE_MAP; + } + const unsigned char tag_size = WireFormat::TagSize(field->number(), field->type()); std::map<string, string> vars; vars["classname"] = classname_; - vars["name"] = FieldName(field); - vars["has"] = SimpleItoa(has_bit_indices_[field->index()]); + if (field->containing_oneof() != NULL) { + vars["name"] = field->containing_oneof()->name(); + vars["presence"] = SimpleItoa(field->containing_oneof()->index()); + } else { + vars["name"] = FieldName(field); + vars["presence"] = SimpleItoa(has_bit_indices_[field->index()]); + } vars["nwtype"] = SimpleItoa(normal_wiretype); vars["pwtype"] = SimpleItoa(packed_wiretype); vars["ptype"] = SimpleItoa(processing_type); @@ -1942,7 +2239,7 @@ size_t MessageGenerator::GenerateParseOffsets(io::Printer* printer) { "{\n" " GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(\n" " $classname$, $name$_),\n" - " static_cast< ::google::protobuf::uint32>($has$),\n" + " static_cast< ::google::protobuf::uint32>($presence$),\n" " $nwtype$, $pwtype$, $ptype$, $tag_size$\n" "},\n"); } @@ -1977,7 +2274,7 @@ size_t MessageGenerator::GenerateParseAuxTable(io::Printer* printer) { printer->Print( vars, "{::google::protobuf::internal::AuxillaryParseTableField::enum_aux{" - "$type$_IsValid, \"$type$\" }},\n"); + "$type$_IsValid}},\n"); last_field_number++; break; case FieldDescriptor::CPPTYPE_MESSAGE: { @@ -1995,7 +2292,17 @@ size_t MessageGenerator::GenerateParseAuxTable(io::Printer* printer) { GOOGLE_DCHECK_NE(package_parts.size(), 0); package_parts.back().clear(); - vars["classname"] = ClassName(field->message_type(), false); + if (field->is_map()) { + vars["classname"] = ClassName(field->containing_type(), false) + + "::" + ClassName(field->message_type(), false); + printer->Print(vars, + "{::google::protobuf::internal::AuxillaryParseTableField::map_" + "aux{&::google::protobuf::internal::ParseMap<$classname$>}},\n"); + last_field_number++; + break; + } else { + vars["classname"] = ClassName(field->message_type(), false); + } vars["ns"] = Join(package_parts, "::"); vars["type"] = FieldMessageTypeName(field); vars["file_namespace"] = FileLevelNamespace(outer->file()->name()); @@ -2005,7 +2312,7 @@ size_t MessageGenerator::GenerateParseAuxTable(io::Printer* printer) { " &::$ns$_$classname$_default_instance_,\n"); bool dont_emit_table = - !TableDrivenEnabled(field->message_type(), options_); + !TableDrivenParsingEnabled(field->message_type(), options_); if (dont_emit_table) { printer->Print(" NULL,\n"); @@ -2034,16 +2341,10 @@ size_t MessageGenerator::GenerateParseAuxTable(io::Printer* printer) { break; } vars["full_name"] = field->full_name(); - vars["strict"] = - field->file()->syntax() == FileDescriptor::SYNTAX_PROTO3 - ? "true" : "false"; - vars["type"] = field->full_name(); printer->Print(vars, "{::google::protobuf::internal::AuxillaryParseTableField::string_aux{\n" " $default$,\n" - " \"$full_name$\",\n" - " $strict$,\n" - " \"$type$\"\n" + " \"$full_name$\"\n" "}},\n"); last_field_number++; break; @@ -2103,8 +2404,7 @@ std::pair<size_t, size_t> MessageGenerator::GenerateOffsets( const FieldDescriptor* field = descriptor_->field(i); if (field->containing_oneof() || field->options().weak()) { printer->Print( - "GOOGLE_PROTOBUF_GENERATED_DEFAULT_ONEOF_FIELD_OFFSET(" - "(&_$classname$_default_instance_), $name$_),\n", + "offsetof($classname$DefaultTypeInternal, $name$_),\n", "classname", classname_, "name", FieldName(field)); } else { printer->Print( @@ -2178,6 +2478,7 @@ GenerateSharedDestructorCode(io::Printer* printer) { // Do nothing when the message is allocated in an arena. printer->Print( "::google::protobuf::Arena* arena = GetArenaNoVirtual();\n" + "GOOGLE_DCHECK(arena == NULL);\n" "if (arena != NULL) {\n" " return;\n" "}\n" @@ -2384,8 +2685,7 @@ GenerateStructors(io::Printer* printer) { initializer_with_arena += ", _weak_field_map_(arena)"; } - string initializer_null; - initializer_null = ", _internal_metadata_(NULL)"; + string initializer_null = superclass + "(), _internal_metadata_(NULL)"; if (IsAnyMessage(descriptor_)) { initializer_null += ", _any_metadata_(&type_url_, &value_)"; } @@ -2395,26 +2695,22 @@ GenerateStructors(io::Printer* printer) { printer->Print( "$classname$::$classname$()\n" - " : $superclass$()$initializer$ {\n" + " : $initializer$ {\n" " if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {\n" " $file_namespace$::InitDefaults();\n" " }\n" " SharedCtor();\n" " // @@protoc_insertion_point(constructor:$full_name$)\n" "}\n", - "classname", classname_, "superclass", superclass, "full_name", - descriptor_->full_name(), "initializer", initializer_null, - "file_namespace", FileLevelNamespace(descriptor_->file()->name())); + "classname", classname_, "full_name", descriptor_->full_name(), + "initializer", initializer_null, "file_namespace", + FileLevelNamespace(descriptor_->file()->name())); if (SupportsArenas(descriptor_)) { printer->Print( "$classname$::$classname$(::google::protobuf::Arena* arena)\n" " : $initializer$ {\n" - // When arenas are used it's safe to assume we have finished - // static init time (protos with arenas are unsafe during static init) - "#ifdef GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER\n" " $file_namespace$::InitDefaults();\n" - "#endif // GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER\n" " SharedCtor();\n" " RegisterArenaDtor(arena);\n" " // @@protoc_insertion_point(arena_constructor:$full_name$)\n" @@ -2601,7 +2897,6 @@ GenerateStructors(io::Printer* printer) { "}\n", "classname", classname_); } - } // Return the number of bits set in n, a non-negative integer. @@ -2614,6 +2909,22 @@ static int popcnt(uint32 n) { return result; } +bool MessageGenerator::MaybeGenerateOptionalFieldCondition( + io::Printer* printer, const FieldDescriptor* field, + int expected_has_bits_index) { + int has_bit_index = has_bit_indices_[field->index()]; + if (!field->options().weak() && + expected_has_bits_index == has_bit_index / 32) { + const string mask = + StrCat(strings::Hex(1u << (has_bit_index % 32), strings::ZERO_PAD_8)); + printer->Print( + "if (cached_has_bits & 0x$mask$u) {\n", + "mask", mask); + return true; + } + return false; +} + void MessageGenerator:: GenerateClear(io::Printer* printer) { printer->Print( @@ -2622,6 +2933,15 @@ GenerateClear(io::Printer* printer) { "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); + printer->Print( + // TODO(jwb): It would be better to avoid emitting this if it is not used, + // rather than emitting a workaround for the resulting warning. + "::google::protobuf::uint32 cached_has_bits = 0;\n" + "// Prevent compiler warnings about cached_has_bits being unused\n" + "(void) cached_has_bits;\n\n"); + + int cached_has_bit_index = -1; + // Step 1: Extensions if (descriptor_->extension_range_count() > 0) { printer->Print("_extensions_.Clear();\n"); @@ -2730,9 +3050,14 @@ GenerateClear(io::Printer* printer) { GOOGLE_DCHECK_LE(2, count); GOOGLE_DCHECK_GE(8, count); + if (cached_has_bit_index != last_chunk / 4) { + cached_has_bit_index = last_chunk / 4; + printer->Print( + "cached_has_bits = _has_bits_[$idx$];\n", + "idx", SimpleItoa(cached_has_bit_index)); + } printer->Print( - "if (_has_bits_[$index$ / 32] & $mask$u) {\n", - "index", SimpleItoa(last_chunk * 8), + "if (cached_has_bits & $mask$u) {\n", "mask", SimpleItoa(last_chunk_mask)); printer->Indent(); } @@ -2778,7 +3103,12 @@ GenerateClear(io::Printer* printer) { if (should_check_bit && // If no field presence, then always clear strings/messages as well. HasFieldPresence(descriptor_->file())) { - printer->Print("if (has_$name$()) {\n", "name", fieldname); + if (!MaybeGenerateOptionalFieldCondition(printer, field, + cached_has_bit_index)) { + printer->Print( + "if (has_$name$()) {\n", + "name", fieldname); + } printer->Indent(); have_enclosing_if = true; } @@ -2814,9 +3144,7 @@ GenerateClear(io::Printer* printer) { printer->Print("_has_bits_.Clear();\n"); } - if (PreserveUnknownFields(descriptor_)) { - printer->Print("_internal_metadata_.Clear();\n"); - } + printer->Print("_internal_metadata_.Clear();\n"); printer->Outdent(); printer->Print("}\n"); @@ -2920,6 +3248,7 @@ GenerateSwap(io::Printer* printer) { printer->Print("void $classname$::InternalSwap($classname$* other) {\n", "classname", classname_); printer->Indent(); + printer->Print("using std::swap;\n"); if (HasGeneratedMethods(descriptor_->file(), options_)) { for (int i = 0; i < optimized_order_.size(); i++) { @@ -2931,24 +3260,22 @@ GenerateSwap(io::Printer* printer) { for (int i = 0; i < descriptor_->oneof_decl_count(); i++) { printer->Print( - "std::swap($oneof_name$_, other->$oneof_name$_);\n" - "std::swap(_oneof_case_[$i$], other->_oneof_case_[$i$]);\n", + "swap($oneof_name$_, other->$oneof_name$_);\n" + "swap(_oneof_case_[$i$], other->_oneof_case_[$i$]);\n", "oneof_name", descriptor_->oneof_decl(i)->name(), "i", SimpleItoa(i)); } if (HasFieldPresence(descriptor_->file())) { for (int i = 0; i < HasBitsSize() / 4; ++i) { - printer->Print("std::swap(_has_bits_[$i$], other->_has_bits_[$i$]);\n", + printer->Print("swap(_has_bits_[$i$], other->_has_bits_[$i$]);\n", "i", SimpleItoa(i)); } } - if (PreserveUnknownFields(descriptor_)) { - printer->Print("_internal_metadata_.Swap(&other->_internal_metadata_);\n"); - } + printer->Print("_internal_metadata_.Swap(&other->_internal_metadata_);\n"); - printer->Print("std::swap(_cached_size_, other->_cached_size_);\n"); + printer->Print("swap(_cached_size_, other->_cached_size_);\n"); if (descriptor_->extension_range_count() > 0) { printer->Print("_extensions_.Swap(&other->_extensions_);\n"); } @@ -3251,21 +3578,16 @@ GenerateCopyFrom(io::Printer* printer) { void MessageGenerator:: GenerateMergeFromCodedStream(io::Printer* printer) { + std::map<string, string> vars; + SetUnknkownFieldsVariable(descriptor_, options_, &vars); if (descriptor_->options().message_set_wire_format()) { // Special-case MessageSet. - printer->Print( + vars["classname"] = classname_; + printer->Print(vars, "bool $classname$::MergePartialFromCodedStream(\n" - " ::google::protobuf::io::CodedInputStream* input) {\n", - "classname", classname_); - - printer->Print( - " return _extensions_.ParseMessageSet(input, " - "internal_default_instance(),\n" - " mutable_unknown_fields());\n", - // Vars. - "classname", classname_); - - printer->Print( + " ::google::protobuf::io::CodedInputStream* input) {\n" + " return _extensions_.ParseMessageSet(input,\n" + " internal_default_instance(), $mutable_unknown_fields$);\n" "}\n"); return; } @@ -3281,14 +3603,18 @@ GenerateMergeFromCodedStream(io::Printer* printer) { if (table_driven_) { printer->Indent(); + const string lite = UseUnknownFieldSet(descriptor_->file(), options_) ? + "" : "Lite"; + printer->Print( - "return ::google::protobuf::internal::MergePartialFromCodedStream(\n" + "return ::google::protobuf::internal::MergePartialFromCodedStream$lite$(\n" " this,\n" " $file_namespace$::TableStruct::schema[\n" " $classname$::kIndexInFileMessages],\n" " input);\n", "classname", classname_, - "file_namespace", FileLevelNamespace(descriptor_->file()->name())); + "file_namespace", FileLevelNamespace(descriptor_->file()->name()), + "lite", lite); printer->Outdent(); @@ -3300,8 +3626,7 @@ GenerateMergeFromCodedStream(io::Printer* printer) { "#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure\n" " ::google::protobuf::uint32 tag;\n"); - if (PreserveUnknownFields(descriptor_) && - !UseUnknownFieldSet(descriptor_->file(), options_)) { + if (!UseUnknownFieldSet(descriptor_->file(), options_)) { // Use LazyStringOutputString to avoid initializing unknown fields string // unless it is actually needed. For the same reason, disable eager refresh // on the CodedOutputStream. @@ -3354,13 +3679,12 @@ GenerateMergeFromCodedStream(io::Printer* printer) { } printer->Print("::std::pair< ::google::protobuf::uint32, bool> p = " - "input->ReadTagWithCutoff$lasttag$($max$u);\n" + "input->ReadTagWithCutoffNoLastTag($max$u);\n" "tag = p.first;\n" "if (!p.second) goto handle_unusual;\n", "max", SimpleItoa(maxtag <= kCutoff0 ? kCutoff0 : (maxtag <= kCutoff1 ? kCutoff1 : - maxtag)), - "lasttag", !capture_last_tag ? "NoLastTag" : ""); + maxtag))); if (descriptor_->field_count() > 0) { // We don't even want to print the switch() if we have no fields because @@ -3395,9 +3719,11 @@ GenerateMergeFromCodedStream(io::Printer* printer) { const FieldGenerator& field_generator = field_generators_.get(field); // Emit code to parse the common, expected case. - printer->Print("if (static_cast< ::google::protobuf::uint8>(tag) ==\n" - " static_cast< ::google::protobuf::uint8>($commontag$u)) {\n", - "commontag", SimpleItoa(WireFormat::MakeTag(field))); + printer->Print( + "if (static_cast< ::google::protobuf::uint8>(tag) ==\n" + " static_cast< ::google::protobuf::uint8>($truncated$u /* $full$ & 0xFF */)) {\n", + "truncated", SimpleItoa(WireFormat::MakeTag(field) & 0xFF), + "full", SimpleItoa(WireFormat::MakeTag(field))); printer->Indent(); if (field->is_packed()) { @@ -3411,22 +3737,30 @@ GenerateMergeFromCodedStream(io::Printer* printer) { if (field->is_packed()) { internal::WireFormatLite::WireType wiretype = WireFormat::WireTypeForFieldType(field->type()); - printer->Print("} else if (static_cast< ::google::protobuf::uint8>(tag) ==\n" - " static_cast< ::google::protobuf::uint8>($uncommontag$u)) {\n", - "uncommontag", SimpleItoa( - internal::WireFormatLite::MakeTag( - field->number(), wiretype))); + const uint32 tag = internal::WireFormatLite::MakeTag( + field->number(), wiretype); + printer->Print( + "} else if (\n" + " static_cast< ::google::protobuf::uint8>(tag) ==\n" + " static_cast< ::google::protobuf::uint8>($truncated$u /* $full$ & 0xFF */)) {\n", + "truncated", SimpleItoa(tag & 0xFF), + "full", SimpleItoa(tag)); + printer->Indent(); field_generator.GenerateMergeFromCodedStream(printer); printer->Outdent(); } else if (field->is_packable() && !field->is_packed()) { internal::WireFormatLite::WireType wiretype = internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED; - printer->Print("} else if (static_cast< ::google::protobuf::uint8>(tag) ==\n" - " static_cast< ::google::protobuf::uint8>($uncommontag$u)) {\n", - "uncommontag", SimpleItoa( - internal::WireFormatLite::MakeTag( - field->number(), wiretype))); + const uint32 tag = internal::WireFormatLite::MakeTag( + field->number(), wiretype); + + printer->Print( + "} else if (\n" + " static_cast< ::google::protobuf::uint8>(tag) ==\n" + " static_cast< ::google::protobuf::uint8>($truncated$u /* $full$ & 0xFF */)) {\n", + "truncated", SimpleItoa(tag & 0xFF), + "full", SimpleItoa(tag)); printer->Indent(); field_generator.GenerateMergeFromCodedStreamWithPacking(printer); printer->Outdent(); @@ -3452,12 +3786,20 @@ GenerateMergeFromCodedStream(io::Printer* printer) { printer->Print("handle_unusual:\n"); printer->Indent(); // If tag is 0 or an end-group tag then this must be the end of the message. - printer->Print( - "if (tag == 0 ||\n" - " ::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==\n" - " ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {\n" - " goto success;\n" - "}\n"); + if (capture_last_tag) { + printer->Print( + "if (tag == 0 ||\n" + " ::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==\n" + " ::google::protobuf::internal::WireFormatLite::WIRETYPE_END_GROUP) {\n" + " input->SetLastTag(tag);\n" + " goto success;\n" + "}\n"); + } else { + printer->Print( + "if (tag == 0) {\n" + " goto success;\n" + "}\n"); + } // Handle extension ranges. if (descriptor_->extension_range_count() > 0) { @@ -3485,23 +3827,16 @@ GenerateMergeFromCodedStream(io::Printer* printer) { } } printer->Print(") {\n"); - if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file(), options_)) { - printer->Print( - " DO_(_extensions_.ParseField(tag, input, " - "internal_default_instance(),\n" - " mutable_unknown_fields()));\n"); - } else { - printer->Print( - " DO_(_extensions_.ParseField(tag, input, " - "internal_default_instance(),\n" - " &unknown_fields_stream));\n"); - } + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(vars, + " DO_(_extensions_.ParseField(tag, input,\n" + " internal_default_instance(),\n" + " $mutable_unknown_fields$));\n"); } else { printer->Print( - // With static initializers. - " DO_(_extensions_.ParseField(tag, input, " - "internal_default_instance());\n"); + " DO_(_extensions_.ParseField(tag, input,\n" + " internal_default_instance(),\n" + " &unknown_fields_stream));\n"); } printer->Print( " continue;\n" @@ -3509,19 +3844,14 @@ GenerateMergeFromCodedStream(io::Printer* printer) { } // We really don't recognize this tag. Skip it. - if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file(), options_)) { - printer->Print( + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(vars, "DO_(::google::protobuf::internal::WireFormat::SkipField(\n" - " input, tag, mutable_unknown_fields()));\n"); - } else { - printer->Print( - "DO_(::google::protobuf::internal::WireFormatLite::SkipField(\n" - " input, tag, &unknown_fields_stream));\n"); - } + " input, tag, $mutable_unknown_fields$));\n"); } else { printer->Print( - "DO_(::google::protobuf::internal::WireFormatLite::SkipField(input, tag));\n"); + "DO_(::google::protobuf::internal::WireFormatLite::SkipField(\n" + " input, tag, &unknown_fields_stream));\n"); } if (descriptor_->field_count() > 0) { @@ -3658,13 +3988,16 @@ GenerateSerializeWithCachedSizes(io::Printer* printer) { " _extensions_.SerializeMessageSetWithCachedSizes(output);\n", "classname", classname_); GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file(), options_)); - printer->Print( + std::map<string, string> vars; + SetUnknkownFieldsVariable(descriptor_, options_, &vars); + printer->Print(vars, " ::google::protobuf::internal::WireFormat::SerializeUnknownMessageSetItems(\n" - " unknown_fields(), output);\n"); + " $unknown_fields$, output);\n"); printer->Print( "}\n"); return; } + if (options_.table_driven_serialization) return; printer->Print( "void $classname$::SerializeWithCachedSizes(\n" @@ -3699,10 +4032,12 @@ GenerateSerializeWithCachedSizesToArray(io::Printer* printer) { " deterministic, target);\n", "classname", classname_); GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file(), options_)); - printer->Print( + std::map<string, string> vars; + SetUnknkownFieldsVariable(descriptor_, options_, &vars); + printer->Print(vars, " target = ::google::protobuf::internal::WireFormat::\n" " SerializeUnknownMessageSetItemsToArray(\n" - " unknown_fields(), target);\n"); + " $unknown_fields$, target);\n"); printer->Print( " return target;\n" "}\n"); @@ -3866,29 +4201,29 @@ GenerateSerializeWithCachedSizesBody(io::Printer* printer, bool to_array) { } } - if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file(), options_)) { - printer->Print("if (_internal_metadata_.have_unknown_fields()) {\n"); - printer->Indent(); - if (to_array) { - printer->Print( - "target = " - "::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(\n" - " unknown_fields(), target);\n"); - } else { - printer->Print( - "::google::protobuf::internal::WireFormat::SerializeUnknownFields(\n" - " unknown_fields(), output);\n"); - } - printer->Outdent(); - - printer->Print( - "}\n"); + std::map<string, string> vars; + SetUnknkownFieldsVariable(descriptor_, options_, &vars); + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(vars, + "if ($have_unknown_fields$) {\n"); + printer->Indent(); + if (to_array) { + printer->Print(vars, + "target = " + "::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(\n" + " $unknown_fields$, target);\n"); } else { - printer->Print( - "output->WriteRaw(unknown_fields().data(),\n" - " static_cast<int>(unknown_fields().size()));\n"); + printer->Print(vars, + "::google::protobuf::internal::WireFormat::SerializeUnknownFields(\n" + " $unknown_fields$, output);\n"); } + printer->Outdent(); + + printer->Print("}\n"); + } else { + printer->Print(vars, + "output->WriteRaw($unknown_fields$.data(),\n" + " static_cast<int>($unknown_fields$.size()));\n"); } } @@ -3932,18 +4267,19 @@ void MessageGenerator:: GenerateByteSize(io::Printer* printer) { if (descriptor_->options().message_set_wire_format()) { // Special-case MessageSet. - printer->Print( - "size_t $classname$::ByteSizeLong() const {\n" - "// @@protoc_insertion_point(message_set_byte_size_start:$full_name$)\n" - " size_t total_size = _extensions_.MessageSetByteSize();\n", - "classname", classname_, "full_name", descriptor_->full_name()); GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file(), options_)); - printer->Print( - "if (_internal_metadata_.have_unknown_fields()) {\n" - " total_size += ::google::protobuf::internal::WireFormat::\n" - " ComputeUnknownMessageSetItemsSize(unknown_fields());\n" - "}\n"); - printer->Print( + std::map<string, string> vars; + SetUnknkownFieldsVariable(descriptor_, options_, &vars); + vars["classname"] = classname_; + vars["full_name"] = descriptor_->full_name(); + printer->Print(vars, + "size_t $classname$::ByteSizeLong() const {\n" + "// @@protoc_insertion_point(message_set_byte_size_start:$full_name$)\n" + " size_t total_size = _extensions_.MessageSetByteSize();\n" + " if ($have_unknown_fields$) {\n" + " total_size += ::google::protobuf::internal::WireFormat::\n" + " ComputeUnknownMessageSetItemsSize($unknown_fields$);\n" + " }\n" " int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);\n" " GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();\n" " _cached_size_ = cached_size;\n" @@ -3997,19 +4333,19 @@ GenerateByteSize(io::Printer* printer) { "\n"); } - if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file(), options_)) { - printer->Print( - "if (_internal_metadata_.have_unknown_fields()) {\n" - " total_size +=\n" - " ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(\n" - " unknown_fields());\n" - "}\n"); - } else { - printer->Print( - "total_size += unknown_fields().size();\n" - "\n"); - } + std::map<string, string> vars; + SetUnknkownFieldsVariable(descriptor_, options_, &vars); + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(vars, + "if ($have_unknown_fields$) {\n" + " total_size +=\n" + " ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(\n" + " $unknown_fields$);\n" + "}\n"); + } else { + printer->Print(vars, + "total_size += $unknown_fields$.size();\n" + "\n"); } // Handle required fields (if any). We expect all of them to be @@ -4358,7 +4694,6 @@ GenerateIsInitialized(io::Printer* printer) { "}\n"); } - } // namespace cpp } // namespace compiler } // namespace protobuf |