diff options
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_message.cc')
| -rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_message.cc | 389 |
1 files changed, 220 insertions, 169 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_message.cc b/src/google/protobuf/compiler/cpp/cpp_message.cc index 8cc8c7ba..da2a4c92 100644 --- a/src/google/protobuf/compiler/cpp/cpp_message.cc +++ b/src/google/protobuf/compiler/cpp/cpp_message.cc @@ -106,8 +106,8 @@ struct ExtensionRangeSorter { // Returns true if the "required" restriction check should be ignored for the // given field. -inline static bool ShouldIgnoreRequiredFieldCheck( - const FieldDescriptor* field) { +inline static bool ShouldIgnoreRequiredFieldCheck(const FieldDescriptor* field, + const Options& options) { return false; } @@ -116,9 +116,8 @@ inline static bool ShouldIgnoreRequiredFieldCheck( // // already_seen is used to avoid checking the same type multiple times // (and also to protect against recursion). -static bool HasRequiredFields( - const Descriptor* type, - hash_set<const Descriptor*>* already_seen) { +static bool HasRequiredFields(const Descriptor* type, const Options& options, + hash_set<const Descriptor*>* already_seen) { if (already_seen->count(type) > 0) { // Since the first occurrence of a required field causes the whole // function to return true, we can assume that if the type is already @@ -138,8 +137,8 @@ static bool HasRequiredFields( return true; } if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE && - !ShouldIgnoreRequiredFieldCheck(field)) { - if (HasRequiredFields(field->message_type(), already_seen)) { + !ShouldIgnoreRequiredFieldCheck(field, options)) { + if (HasRequiredFields(field->message_type(), options, already_seen)) { return true; } } @@ -148,9 +147,9 @@ static bool HasRequiredFields( return false; } -static bool HasRequiredFields(const Descriptor* type) { +static bool HasRequiredFields(const Descriptor* type, const Options& options) { hash_set<const Descriptor*> already_seen; - return HasRequiredFields(type, &already_seen); + return HasRequiredFields(type, options, &already_seen); } // This returns an estimate of the compiler's alignment for the field. This @@ -423,8 +422,8 @@ MessageGenerator::MessageGenerator(const Descriptor* descriptor, MessageGenerator::~MessageGenerator() {} void MessageGenerator:: -FillMessageForwardDeclarations(set<string>* class_names) { - class_names->insert(classname_); +FillMessageForwardDeclarations(map<string, const Descriptor*>* class_names) { + (*class_names)[classname_] = descriptor_; for (int i = 0; i < descriptor_->nested_type_count(); i++) { // map entry message doesn't need forward declaration. Since map entry @@ -436,7 +435,7 @@ FillMessageForwardDeclarations(set<string>* class_names) { } void MessageGenerator:: -FillEnumForwardDeclarations(set<string>* enum_names) { +FillEnumForwardDeclarations(map<string, const EnumDescriptor*>* enum_names) { for (int i = 0; i < descriptor_->nested_type_count(); i++) { nested_generators_[i]->FillEnumForwardDeclarations(enum_names); } @@ -480,7 +479,7 @@ GenerateDependentFieldAccessorDeclarations(io::Printer* printer) { // If the message is dependent, the inline clear_*() method will need // to delete the message type, so it must be in the dependent base // class. (See also GenerateFieldAccessorDeclarations.) - printer->Print(vars, "void clear_$name$()$deprecation$;\n"); + printer->Print(vars, "$deprecated_attr$void clear_$name$();\n"); } // Generate type-specific accessor declarations. field_generators_.get(field).GenerateDependentAccessorDeclarations(printer); @@ -515,22 +514,24 @@ GenerateFieldAccessorDeclarations(io::Printer* printer) { } if (field->is_repeated()) { - printer->Print(vars, "int $name$_size() const$deprecation$;\n"); + printer->Print(vars, "$deprecated_attr$int $name$_size() const;\n"); } else if (HasHasMethod(field)) { - printer->Print(vars, "bool has_$name$() const$deprecation$;\n"); + printer->Print(vars, "$deprecated_attr$bool has_$name$() const;\n"); } else if (HasPrivateHasMethod(field)) { printer->Print(vars, "private:\n" - "bool has_$name$() const$deprecation$;\n" + "bool has_$name$() const;\n" "public:\n"); } if (!dependent_field) { // If this field is dependent, then its clear_() method is in the // depenent base class. (See also GenerateDependentAccessorDeclarations.) - printer->Print(vars, "void clear_$name$()$deprecation$;\n"); + printer->Print(vars, "$deprecated_attr$void clear_$name$();\n"); } - printer->Print(vars, "static const int $constant_name$ = $number$;\n"); + printer->Print(vars, + "$deprecated_attr$static const int $constant_name$ = " + "$number$;\n"); // Generate type-specific accessor declarations. field_generators_.get(field).GenerateAccessorDeclarations(printer); @@ -837,7 +838,7 @@ GenerateDependentBaseClassDefinition(io::Printer* printer) { map<string, string> vars; vars["classname"] = DependentBaseClassTemplateName(descriptor_); - vars["superclass"] = SuperClassName(descriptor_); + vars["superclass"] = SuperClassName(descriptor_, options_); printer->Print(vars, "template <class T>\n" @@ -888,10 +889,11 @@ GenerateClassDefinition(io::Printer* printer) { vars["superclass"] = DependentBaseClassTemplateName(descriptor_) + "<" + classname_ + ">"; } else { - vars["superclass"] = SuperClassName(descriptor_); + vars["superclass"] = SuperClassName(descriptor_, options_); } printer->Print(vars, "class $dllexport$$classname$ : public $superclass$ {\n"); + printer->Annotate("classname", descriptor_); if (use_dependent_base_) { printer->Print(vars, " friend class $superclass$;\n"); } @@ -911,7 +913,7 @@ GenerateClassDefinition(io::Printer* printer) { "\n"); if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {\n" " return _internal_metadata_.unknown_fields();\n" @@ -965,7 +967,7 @@ GenerateClassDefinition(io::Printer* printer) { } // Only generate this member if it's not disabled. - if (HasDescriptorMethods(descriptor_->file()) && + if (HasDescriptorMethods(descriptor_->file(), options_) && !descriptor_->options().no_standard_descriptor_accessor()) { printer->Print(vars, "static const ::google::protobuf::Descriptor* descriptor();\n"); @@ -1002,7 +1004,7 @@ GenerateClassDefinition(io::Printer* printer) { "\n"); } - if (!StaticInitializersForced(descriptor_->file())) { + if (!StaticInitializersForced(descriptor_->file(), options_)) { printer->Print(vars, "#ifdef GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER\n" "// Returns the internal default instance pointer. This function can\n" @@ -1027,6 +1029,8 @@ GenerateClassDefinition(io::Printer* printer) { "// implements Any -----------------------------------------------\n" "\n" "void PackFrom(const ::google::protobuf::Message& message);\n" + "void PackFrom(const ::google::protobuf::Message& message,\n" + " const ::std::string& type_url_prefix);\n" "bool UnpackTo(::google::protobuf::Message* message) const;\n" "template<typename T> bool Is() const {\n" " return _any_metadata_.Is<T>();\n" @@ -1043,8 +1047,8 @@ GenerateClassDefinition(io::Printer* printer) { "\n" "$classname$* New(::google::protobuf::Arena* arena) const;\n"); - if (HasGeneratedMethods(descriptor_->file())) { - if (HasDescriptorMethods(descriptor_->file())) { + if (HasGeneratedMethods(descriptor_->file(), options_)) { + if (HasDescriptorMethods(descriptor_->file(), options_)) { printer->Print(vars, "void CopyFrom(const ::google::protobuf::Message& from);\n" "void MergeFrom(const ::google::protobuf::Message& from);\n"); @@ -1066,11 +1070,11 @@ GenerateClassDefinition(io::Printer* printer) { " ::google::protobuf::io::CodedOutputStream* output) const;\n"); // DiscardUnknownFields() is implemented in message.cc using reflections. We // need to implement this function in generated code for messages. - if (!UseUnknownFieldSet(descriptor_->file())) { + if (!UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "void DiscardUnknownFields();\n"); } - if (HasFastArraySerialization(descriptor_->file())) { + if (HasFastArraySerialization(descriptor_->file(), options_)) { printer->Print( "::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;\n"); } @@ -1093,7 +1097,7 @@ GenerateClassDefinition(io::Printer* printer) { } uses_string_ = false; if (PreserveUnknownFields(descriptor_) && - !UseUnknownFieldSet(descriptor_->file())) { + !UseUnknownFieldSet(descriptor_->file(), options_)) { uses_string_ = true; } for (int i = 0; i < descriptors.size(); i++) { @@ -1123,7 +1127,7 @@ GenerateClassDefinition(io::Printer* printer) { "classname", classname_); } - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "private:\n" "inline ::google::protobuf::Arena* GetArenaNoVirtual() const {\n" @@ -1147,7 +1151,7 @@ GenerateClassDefinition(io::Printer* printer) { "\n"); } - if (HasDescriptorMethods(descriptor_->file())) { + if (HasDescriptorMethods(descriptor_->file(), options_)) { printer->Print( "::google::protobuf::Metadata GetMetadata() const;\n" "\n"); @@ -1236,7 +1240,7 @@ GenerateClassDefinition(io::Printer* printer) { "oneof_name", descriptor_->oneof_decl(i)->name()); } - if (HasGeneratedMethods(descriptor_->file()) && + if (HasGeneratedMethods(descriptor_->file(), options_) && !descriptor_->options().message_set_wire_format() && num_required_fields_ > 1) { printer->Print( @@ -1278,7 +1282,7 @@ GenerateClassDefinition(io::Printer* printer) { "\n"); } - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;\n"); } else { @@ -1405,15 +1409,14 @@ GenerateClassDefinition(io::Printer* printer) { // friends so that they can access private static variables like // default_instance_ and reflection_. PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - "friend void $dllexport_decl$ $adddescriptorsname$();\n", - // Without. - "friend void $dllexport_decl$ $adddescriptorsname$_impl();\n", - // Vars. - "dllexport_decl", options_.dllexport_decl, - "adddescriptorsname", - GlobalAddDescriptorsName(descriptor_->file()->name())); + descriptor_->file(), options_, printer, + // With static initializers. + "friend void $dllexport_decl$ $adddescriptorsname$();\n", + // Without. + "friend void $dllexport_decl$ $adddescriptorsname$_impl();\n", + // Vars. + "dllexport_decl", options_.dllexport_decl, "adddescriptorsname", + GlobalAddDescriptorsName(descriptor_->file()->name())); printer->Print( "friend void $assigndescriptorsname$();\n" @@ -1576,7 +1579,7 @@ GenerateDescriptorInitializer(io::Printer* printer, int index) { // Unknown field offset: either points to the unknown field set if embedded // directly, or indicates that the unknown field set is stored as part of the // internal metadata if not. - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print(vars, " -1,\n"); } else { @@ -1616,7 +1619,7 @@ GenerateDescriptorInitializer(io::Printer* printer, int index) { // arena pointer and unknown field set (in a space-efficient way) if we use // that implementation strategy, or an offset directly to the arena pointer if // not (because e.g. we don't have an unknown field set). - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print(vars, " GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(" "$classname$, _internal_metadata_),\n"); @@ -1706,7 +1709,7 @@ GenerateDefaultInstanceAllocator(io::Printer* printer) { "classname", classname_); if ((descriptor_->oneof_decl_count() > 0) && - HasDescriptorMethods(descriptor_->file())) { + HasDescriptorMethods(descriptor_->file(), options_)) { printer->Print( "$classname$_default_oneof_instance_ = new $classname$OneofInstance();\n", "classname", classname_); @@ -1746,7 +1749,7 @@ GenerateShutdownCode(io::Printer* printer) { "delete $classname$::default_instance_;\n", "classname", classname_); - if (HasDescriptorMethods(descriptor_->file())) { + if (HasDescriptorMethods(descriptor_->file(), options_)) { if (descriptor_->oneof_decl_count() > 0) { printer->Print( "delete $classname$_default_oneof_instance_;\n", @@ -1772,12 +1775,29 @@ GenerateShutdownCode(io::Printer* printer) { void MessageGenerator:: GenerateClassMethods(io::Printer* printer) { + // mutable_unknown_fields wrapper function for LazyStringOutputStream + // callback. + if (PreserveUnknownFields(descriptor_) && + !UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print( + "static ::std::string* MutableUnknownFieldsFor$classname$(\n" + " $classname$* ptr) {\n" + " return ptr->mutable_unknown_fields();\n" + "}\n" + "\n", + "classname", classname_); + } if (IsAnyMessage(descriptor_)) { printer->Print( "void $classname$::PackFrom(const ::google::protobuf::Message& message) {\n" " _any_metadata_.PackFrom(message);\n" "}\n" "\n" + "void $classname$::PackFrom(const ::google::protobuf::Message& message,\n" + " const ::std::string& type_url_prefix) {\n" + " _any_metadata_.PackFrom(message, type_url_prefix);\n" + "}\n" + "\n" "bool $classname$::UnpackTo(::google::protobuf::Message* message) const {\n" " return _any_metadata_.UnpackTo(message);\n" "}\n" @@ -1807,7 +1827,7 @@ GenerateClassMethods(io::Printer* printer) { } // Generate field number constants. - printer->Print("#ifndef _MSC_VER\n"); + printer->Print("#if !defined(_MSC_VER) || _MSC_VER >= 1900\n"); for (int i = 0; i < descriptor_->field_count(); i++) { const FieldDescriptor *field = descriptor_->field(i); printer->Print( @@ -1816,7 +1836,7 @@ GenerateClassMethods(io::Printer* printer) { "constant_name", FieldConstantName(field)); } printer->Print( - "#endif // !_MSC_VER\n" + "#endif // !defined(_MSC_VER) || _MSC_VER >= 1900\n" "\n"); // Define extension identifiers. @@ -1832,7 +1852,7 @@ GenerateClassMethods(io::Printer* printer) { printer->Print("\n"); } - if (HasGeneratedMethods(descriptor_->file())) { + if (HasGeneratedMethods(descriptor_->file(), options_)) { GenerateClear(printer); printer->Print("\n"); @@ -1842,7 +1862,7 @@ GenerateClassMethods(io::Printer* printer) { GenerateSerializeWithCachedSizes(printer); printer->Print("\n"); - if (HasFastArraySerialization(descriptor_->file())) { + if (HasFastArraySerialization(descriptor_->file(), options_)) { GenerateSerializeWithCachedSizesToArray(printer); printer->Print("\n"); } @@ -1863,7 +1883,7 @@ GenerateClassMethods(io::Printer* printer) { GenerateSwap(printer); printer->Print("\n"); - if (HasDescriptorMethods(descriptor_->file())) { + if (HasDescriptorMethods(descriptor_->file(), options_)) { printer->Print( "::google::protobuf::Metadata $classname$::GetMetadata() const {\n" " protobuf_AssignDescriptorsOnce();\n" @@ -1888,11 +1908,10 @@ GenerateClassMethods(io::Printer* printer) { void MessageGenerator:: GenerateOffsets(io::Printer* printer) { - printer->Print( - "static const int $classname$_offsets_[$field_count$] = {\n", - "classname", classname_, - "field_count", SimpleItoa(max( - 1, descriptor_->field_count() + descriptor_->oneof_decl_count()))); + printer->Print("static const int $classname$_offsets_[$field_count$] = {\n", + "classname", classname_, "field_count", + SimpleItoa(std::max(1, descriptor_->field_count() + + descriptor_->oneof_decl_count()))); printer->Indent(); for (int i = 0; i < descriptor_->field_count(); i++) { @@ -1941,7 +1960,7 @@ GenerateSharedConstructorCode(io::Printer* printer) { "_cached_size_ = 0;\n").c_str()); if (PreserveUnknownFields(descriptor_) && - !UseUnknownFieldSet(descriptor_->file())) { + !UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "_unknown_fields_.UnsafeSetDefault(\n" " &::google::protobuf::internal::GetEmptyStringAlreadyInited());\n"); @@ -1986,7 +2005,7 @@ GenerateSharedDestructorCode(io::Printer* printer) { // Write the desctructor for _unknown_fields_ in lite runtime. if (PreserveUnknownFields(descriptor_) && - !UseUnknownFieldSet(descriptor_->file())) { + !UseUnknownFieldSet(descriptor_->file(), options_)) { if (SupportsArenas(descriptor_)) { printer->Print( "_unknown_fields_.Destroy(\n" @@ -2017,11 +2036,11 @@ GenerateSharedDestructorCode(io::Printer* printer) { } PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - "if (this != default_instance_) {\n", - // Without. - "if (this != &default_instance()) {\n"); + descriptor_->file(), options_, printer, + // With static initializers. + "if (this != default_instance_) {\n", + // Without. + "if (this != &default_instance()) {\n"); // We need to delete all embedded messages. // TODO(kenton): If we make unset messages point at default instances @@ -2101,7 +2120,7 @@ GenerateStructors(io::Printer* printer) { superclass = DependentBaseClassTemplateName(descriptor_) + "<" + classname_ + ">"; } else { - superclass = SuperClassName(descriptor_); + superclass = SuperClassName(descriptor_, options_); } string initializer_with_arena = superclass + "()"; @@ -2109,7 +2128,7 @@ GenerateStructors(io::Printer* printer) { initializer_with_arena += ",\n _extensions_(arena)"; } - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { initializer_with_arena += ",\n _internal_metadata_(arena)"; } else { initializer_with_arena += ",\n _arena_ptr_(arena)"; @@ -2129,7 +2148,7 @@ GenerateStructors(io::Printer* printer) { } string initializer_null; - initializer_null = (UseUnknownFieldSet(descriptor_->file()) ? + initializer_null = (UseUnknownFieldSet(descriptor_->file(), options_) ? ", _internal_metadata_(NULL)" : ", _arena_ptr_(NULL)"); if (IsAnyMessage(descriptor_)) { initializer_null += ", _any_metadata_(&type_url_, &value_)"; @@ -2183,24 +2202,23 @@ GenerateStructors(io::Printer* printer) { if (!field->is_repeated() && field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE && (field->containing_oneof() == NULL || - HasDescriptorMethods(descriptor_->file()))) { + HasDescriptorMethods(descriptor_->file(), options_))) { string name; if (field->containing_oneof()) { name = classname_ + "_default_oneof_instance_->"; } name += FieldName(field); PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - " $name$_ = const_cast< $type$*>(&$type$::default_instance());\n", - // Without. - " $name$_ = const_cast< $type$*>(\n" - " $type$::internal_default_instance());\n", - // Vars. - "name", name, - "type", FieldMessageTypeName(field)); + descriptor_->file(), options_, printer, + // With static initializers. + " $name$_ = const_cast< $type$*>(&$type$::default_instance());\n", + // Without. + " $name$_ = const_cast< $type$*>(\n" + " $type$::internal_default_instance());\n", + // Vars. + "name", name, "type", FieldMessageTypeName(field)); } else if (field->containing_oneof() && - HasDescriptorMethods(descriptor_->file())) { + HasDescriptorMethods(descriptor_->file(), options_)) { field_generators_.get(descriptor_->field(i)) .GenerateConstructorCode(printer); } @@ -2216,10 +2234,10 @@ GenerateStructors(io::Printer* printer) { "classname", classname_, "superclass", superclass, "full_name", descriptor_->full_name()); - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( ",\n _internal_metadata_(NULL)"); - } else if (!UseUnknownFieldSet(descriptor_->file())) { + } else if (!UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print(",\n _arena_ptr_(NULL)"); } if (IsAnyMessage(descriptor_)) { @@ -2267,7 +2285,7 @@ GenerateStructors(io::Printer* printer) { "classname", classname_); // Only generate this member if it's not disabled. - if (HasDescriptorMethods(descriptor_->file()) && + if (HasDescriptorMethods(descriptor_->file(), options_) && !descriptor_->options().no_standard_descriptor_accessor()) { printer->Print( "const ::google::protobuf::Descriptor* $classname$::descriptor() {\n" @@ -2285,14 +2303,14 @@ GenerateStructors(io::Printer* printer) { "classname", classname_); PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - " if (default_instance_ == NULL) $adddescriptorsname$();\n", - // Without. - " $adddescriptorsname$();\n", - // Vars. - "adddescriptorsname", - GlobalAddDescriptorsName(descriptor_->file()->name())); + descriptor_->file(), options_, printer, + // With static initializers. + " if (default_instance_ == NULL) $adddescriptorsname$();\n", + // Without. + " $adddescriptorsname$();\n", + // Vars. + "adddescriptorsname", + GlobalAddDescriptorsName(descriptor_->file()->name())); printer->Print( " return *default_instance_;\n" @@ -2334,8 +2352,10 @@ static int popcnt(uint32 n) { void MessageGenerator:: GenerateClear(io::Printer* printer) { - printer->Print("void $classname$::Clear() {\n", - "classname", classname_); + printer->Print( + "void $classname$::Clear() {\n" + "// @@protoc_insertion_point(message_clear_start:$full_name$)\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); // Step 1: Extensions @@ -2372,8 +2392,16 @@ GenerateClear(io::Printer* printer) { // positions of two fields in the Message. // ZR_ zeroes a non-empty range of fields via memset. const char* macros = + "#if defined(__clang__)\n" + "#define ZR_HELPER_(f) \\\n" + " _Pragma(\"clang diagnostic push\") \\\n" + " _Pragma(\"clang diagnostic ignored \\\"-Winvalid-offsetof\\\"\") \\\n" + " __builtin_offsetof($classname$, f) \\\n" + " _Pragma(\"clang diagnostic pop\")\n" + "#else\n" "#define ZR_HELPER_(f) reinterpret_cast<char*>(\\\n" - " &reinterpret_cast<$classname$*>(16)->f)\n\n" + " &reinterpret_cast<$classname$*>(16)->f)\n" + "#endif\n\n" "#define ZR_(first, last) do {\\\n" " ::memset(&first, 0,\\\n" " ZR_HELPER_(last) - ZR_HELPER_(first) + sizeof(last));\\\n" @@ -2501,7 +2529,7 @@ GenerateClear(io::Printer* printer) { } if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "if (_internal_metadata_.have_unknown_fields()) {\n" " mutable_unknown_fields()->Clear();\n" @@ -2531,10 +2559,13 @@ GenerateOneofClear(io::Printer* printer) { map<string, string> oneof_vars; oneof_vars["classname"] = classname_; oneof_vars["oneofname"] = descriptor_->oneof_decl(i)->name(); + oneof_vars["full_name"] = descriptor_->full_name(); string message_class; printer->Print(oneof_vars, - "void $classname$::clear_$oneofname$() {\n"); + "void $classname$::clear_$oneofname$() {\n" + "// @@protoc_insertion_point(one_of_clear_start:" + "$full_name$)\n"); printer->Indent(); printer->Print(oneof_vars, "switch($oneofname$_case()) {\n"); @@ -2617,7 +2648,7 @@ GenerateSwap(io::Printer* printer) { "classname", classname_); printer->Indent(); - if (HasGeneratedMethods(descriptor_->file())) { + if (HasGeneratedMethods(descriptor_->file(), options_)) { for (int i = 0; i < descriptor_->field_count(); i++) { const FieldDescriptor* field = descriptor_->field(i); field_generators_.get(field).GenerateSwappingCode(printer); @@ -2638,19 +2669,15 @@ GenerateSwap(io::Printer* printer) { } } - if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { - printer->Print( + // Ignore PreserveUnknownFields here - always swap internal_metadata as it + // may contain more than just unknown fields. + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print( "_internal_metadata_.Swap(&other->_internal_metadata_);\n"); - } else { - printer->Print("_unknown_fields_.Swap(&other->_unknown_fields_);\n"); - } } else { - // Still swap internal_metadata as it may contain more than just - // unknown fields. - printer->Print( - "_internal_metadata_.Swap(&other->_internal_metadata_);\n"); + printer->Print("_unknown_fields_.Swap(&other->_unknown_fields_);\n"); } + printer->Print("std::swap(_cached_size_, other->_cached_size_);\n"); if (descriptor_->extension_range_count() > 0) { printer->Print("_extensions_.Swap(&other->_extensions_);\n"); @@ -2665,13 +2692,15 @@ GenerateSwap(io::Printer* printer) { void MessageGenerator:: GenerateMergeFrom(io::Printer* printer) { - if (HasDescriptorMethods(descriptor_->file())) { + if (HasDescriptorMethods(descriptor_->file(), options_)) { // Generate the generalized MergeFrom (aka that which takes in the Message // base class as a parameter). printer->Print( - "void $classname$::MergeFrom(const ::google::protobuf::Message& from) {\n" - " if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__);\n", - "classname", classname_); + "void $classname$::MergeFrom(const ::google::protobuf::Message& from) {\n" + "// @@protoc_insertion_point(generalized_merge_from_start:" + "$full_name$)\n" + " if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__);\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); // Cast the message to the proper type. If we find that the message is @@ -2683,11 +2712,15 @@ GenerateMergeFrom(io::Printer* printer) { " ::google::protobuf::internal::DynamicCastToGenerated<const $classname$>(\n" " &from);\n" "if (source == NULL) {\n" + "// @@protoc_insertion_point(generalized_merge_from_cast_fail:" + "$full_name$)\n" " ::google::protobuf::internal::ReflectionOps::Merge(from, this);\n" "} else {\n" + "// @@protoc_insertion_point(generalized_merge_from_cast_success:" + "$full_name$)\n" " MergeFrom(*source);\n" "}\n", - "classname", classname_); + "classname", classname_, "full_name", descriptor_->full_name()); printer->Outdent(); printer->Print("}\n\n"); @@ -2704,9 +2737,11 @@ GenerateMergeFrom(io::Printer* printer) { // Generate the class-specific MergeFrom, which avoids the GOOGLE_CHECK and cast. printer->Print( - "void $classname$::MergeFrom(const $classname$& from) {\n" - " if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__);\n", - "classname", classname_); + "void $classname$::MergeFrom(const $classname$& from) {\n" + "// @@protoc_insertion_point(class_specific_merge_from_start:" + "$full_name$)\n" + " if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__);\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); // Merge Repeated fields. These fields do not require a @@ -2807,14 +2842,16 @@ GenerateMergeFrom(io::Printer* printer) { } if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "if (from._internal_metadata_.have_unknown_fields()) {\n" " mutable_unknown_fields()->MergeFrom(from.unknown_fields());\n" "}\n"); } else { printer->Print( - "mutable_unknown_fields()->append(from.unknown_fields());\n"); + "if (!from.unknown_fields().empty()) {\n" + " mutable_unknown_fields()->append(from.unknown_fields());\n" + "}\n"); } } @@ -2824,12 +2861,14 @@ GenerateMergeFrom(io::Printer* printer) { void MessageGenerator:: GenerateCopyFrom(io::Printer* printer) { - if (HasDescriptorMethods(descriptor_->file())) { + if (HasDescriptorMethods(descriptor_->file(), options_)) { // Generate the generalized CopyFrom (aka that which takes in the Message // base class as a parameter). printer->Print( - "void $classname$::CopyFrom(const ::google::protobuf::Message& from) {\n", - "classname", classname_); + "void $classname$::CopyFrom(const ::google::protobuf::Message& from) {\n" + "// @@protoc_insertion_point(generalized_copy_from_start:" + "$full_name$)\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); printer->Print( @@ -2843,8 +2882,10 @@ GenerateCopyFrom(io::Printer* printer) { // Generate the class-specific CopyFrom. printer->Print( - "void $classname$::CopyFrom(const $classname$& from) {\n", - "classname", classname_); + "void $classname$::CopyFrom(const $classname$& from) {\n" + "// @@protoc_insertion_point(class_specific_copy_from_start:" + "$full_name$)\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); printer->Print( @@ -2866,15 +2907,15 @@ GenerateMergeFromCodedStream(io::Printer* printer) { "classname", classname_); PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - " return _extensions_.ParseMessageSet(input, default_instance_,\n" - " mutable_unknown_fields());\n", - // Without. - " return _extensions_.ParseMessageSet(input, &default_instance(),\n" - " mutable_unknown_fields());\n", - // Vars. - "classname", classname_); + descriptor_->file(), options_, printer, + // With static initializers. + " return _extensions_.ParseMessageSet(input, default_instance_,\n" + " mutable_unknown_fields());\n", + // Without. + " return _extensions_.ParseMessageSet(input, &default_instance(),\n" + " mutable_unknown_fields());\n", + // Vars. + "classname", classname_); printer->Print( "}\n"); @@ -2884,16 +2925,22 @@ GenerateMergeFromCodedStream(io::Printer* printer) { printer->Print( "bool $classname$::MergePartialFromCodedStream(\n" " ::google::protobuf::io::CodedInputStream* input) {\n" - "#define DO_(EXPRESSION) if (!(EXPRESSION)) goto failure\n" + "#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure\n" " ::google::protobuf::uint32 tag;\n", "classname", classname_); - if (!UseUnknownFieldSet(descriptor_->file())) { - printer->Print( - " ::google::protobuf::io::StringOutputStream unknown_fields_string(\n" - " mutable_unknown_fields());\n" + if (PreserveUnknownFields(descriptor_) && + !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. + printer->Print( + " ::google::protobuf::io::LazyStringOutputStream unknown_fields_string(\n" + " ::google::protobuf::internal::NewPermanentCallback(\n" + " &MutableUnknownFieldsFor$classname$, this));\n" " ::google::protobuf::io::CodedOutputStream unknown_fields_stream(\n" - " &unknown_fields_string);\n"); + " &unknown_fields_string, false);\n", + "classname", classname_); } printer->Print( @@ -3111,32 +3158,32 @@ GenerateMergeFromCodedStream(io::Printer* printer) { } printer->Print(") {\n"); if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - " DO_(_extensions_.ParseField(tag, input, default_instance_,\n" - " mutable_unknown_fields()));\n", - // Without. - " DO_(_extensions_.ParseField(tag, input, &default_instance(),\n" - " mutable_unknown_fields()));\n"); + descriptor_->file(), options_, printer, + // With static initializers. + " DO_(_extensions_.ParseField(tag, input, default_instance_,\n" + " mutable_unknown_fields()));\n", + // Without. + " DO_(_extensions_.ParseField(tag, input, &default_instance(),\n" + " mutable_unknown_fields()));\n"); } else { PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - " DO_(_extensions_.ParseField(tag, input, default_instance_,\n" - " &unknown_fields_stream));\n", - // Without. - " DO_(_extensions_.ParseField(tag, input, &default_instance(),\n" - " &unknown_fields_stream));\n"); + descriptor_->file(), options_, printer, + // With static initializers. + " DO_(_extensions_.ParseField(tag, input, default_instance_,\n" + " &unknown_fields_stream));\n", + // Without. + " DO_(_extensions_.ParseField(tag, input, &default_instance(),\n" + " &unknown_fields_stream));\n"); } } else { PrintHandlingOptionalStaticInitializers( - descriptor_->file(), printer, - // With static initializers. - " DO_(_extensions_.ParseField(tag, input, default_instance_);\n", - // Without. - " DO_(_extensions_.ParseField(tag, input, &default_instance());\n"); + descriptor_->file(), options_, printer, + // With static initializers. + " DO_(_extensions_.ParseField(tag, input, default_instance_);\n", + // Without. + " DO_(_extensions_.ParseField(tag, input, &default_instance());\n"); } printer->Print( " continue;\n" @@ -3145,7 +3192,7 @@ GenerateMergeFromCodedStream(io::Printer* printer) { // We really don't recognize this tag. Skip it. if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "DO_(::google::protobuf::internal::WireFormat::SkipField(\n" " input, tag, mutable_unknown_fields()));\n"); @@ -3238,7 +3285,7 @@ GenerateSerializeWithCachedSizes(io::Printer* printer) { " ::google::protobuf::io::CodedOutputStream* output) const {\n" " _extensions_.SerializeMessageSetWithCachedSizes(output);\n", "classname", classname_); - GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file())); + GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file(), options_)); printer->Print( " ::google::protobuf::internal::WireFormat::SerializeUnknownMessageSetItems(\n" " unknown_fields(), output);\n"); @@ -3278,7 +3325,7 @@ GenerateSerializeWithCachedSizesToArray(io::Printer* printer) { " target =\n" " _extensions_.SerializeMessageSetWithCachedSizesToArray(target);\n", "classname", classname_); - GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file())); + GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file(), options_)); printer->Print( " target = ::google::protobuf::internal::WireFormat::\n" " SerializeUnknownMessageSetItemsToArray(\n" @@ -3344,7 +3391,7 @@ GenerateSerializeWithCachedSizesBody(io::Printer* printer, bool to_array) { } if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print("if (_internal_metadata_.have_unknown_fields()) {\n"); printer->Indent(); if (to_array) { @@ -3364,7 +3411,7 @@ GenerateSerializeWithCachedSizesBody(io::Printer* printer, bool to_array) { } else { printer->Print( "output->WriteRaw(unknown_fields().data(),\n" - " unknown_fields().size());\n"); + " static_cast<int>(unknown_fields().size()));\n"); } } } @@ -3411,10 +3458,11 @@ GenerateByteSize(io::Printer* printer) { if (descriptor_->options().message_set_wire_format()) { // Special-case MessageSet. printer->Print( - "int $classname$::ByteSize() const {\n" - " int total_size = _extensions_.MessageSetByteSize();\n", - "classname", classname_); - GOOGLE_CHECK(UseUnknownFieldSet(descriptor_->file())); + "int $classname$::ByteSize() const {\n" + "// @@protoc_insertion_point(message_set_byte_size_start:$full_name$)\n" + " int 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" @@ -3433,8 +3481,10 @@ GenerateByteSize(io::Printer* printer) { // Emit a function (rarely used, we hope) that handles the required fields // by checking for each one individually. printer->Print( - "int $classname$::RequiredFieldsByteSizeFallback() const {\n", - "classname", classname_); + "int $classname$::RequiredFieldsByteSizeFallback() const {\n" + "// @@protoc_insertion_point(required_fields_byte_size_fallback_start:" + "$full_name$)\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); printer->Print("int total_size = 0;\n"); for (int i = 0; i < descriptor_->field_count(); i++) { @@ -3457,8 +3507,9 @@ GenerateByteSize(io::Printer* printer) { } printer->Print( - "int $classname$::ByteSize() const {\n", - "classname", classname_); + "int $classname$::ByteSize() const {\n" + "// @@protoc_insertion_point(message_byte_size_start:$full_name$)\n", + "classname", classname_, "full_name", descriptor_->full_name()); printer->Indent(); printer->Print( "int total_size = 0;\n" @@ -3634,7 +3685,7 @@ GenerateByteSize(io::Printer* printer) { } if (PreserveUnknownFields(descriptor_)) { - if (UseUnknownFieldSet(descriptor_->file())) { + if (UseUnknownFieldSet(descriptor_->file(), options_)) { printer->Print( "if (_internal_metadata_.have_unknown_fields()) {\n" " total_size +=\n" @@ -3700,8 +3751,8 @@ GenerateIsInitialized(io::Printer* printer) { for (int i = 0; i < descriptor_->field_count(); i++) { const FieldDescriptor* field = descriptor_->field(i); if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE && - !ShouldIgnoreRequiredFieldCheck(field) && - HasRequiredFields(field->message_type())) { + !ShouldIgnoreRequiredFieldCheck(field, options_) && + HasRequiredFields(field->message_type(), options_)) { if (field->is_repeated()) { printer->Print( "if (!::google::protobuf::internal::AllAreInitialized(this->$name$()))" |