| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file or at |
| // https://developers.google.com/open-source/licenses/bsd |
| |
| // Author: kenton@google.com (Kenton Varda) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| |
| #include "google/protobuf/compiler/java/file.h" |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "absl/container/btree_set.h" |
| #include "absl/log/absl_check.h" |
| #include "absl/log/absl_log.h" |
| #include "absl/strings/str_cat.h" |
| #include "absl/strings/string_view.h" |
| #include "google/protobuf/compiler/code_generator.h" |
| #include "google/protobuf/compiler/java/context.h" |
| #include "google/protobuf/compiler/java/generator_common.h" |
| #include "google/protobuf/compiler/java/generator_factory.h" |
| #include "google/protobuf/compiler/java/helpers.h" |
| #include "google/protobuf/compiler/java/full/generator_factory.h" |
| #include "google/protobuf/compiler/java/lite/generator_factory.h" |
| #include "google/protobuf/compiler/java/name_resolver.h" |
| #include "google/protobuf/compiler/java/options.h" |
| #include "google/protobuf/compiler/java/shared_code_generator.h" |
| #include "google/protobuf/compiler/retention.h" |
| #include "google/protobuf/compiler/versions.h" |
| #include "google/protobuf/descriptor.pb.h" |
| #include "google/protobuf/dynamic_message.h" |
| #include "google/protobuf/io/printer.h" |
| #include "google/protobuf/io/zero_copy_stream.h" |
| |
| |
| // Must be last. |
| #include "google/protobuf/port_def.inc" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace java { |
| |
| namespace { |
| |
| struct FieldDescriptorCompare { |
| bool operator()(const FieldDescriptor* f1, const FieldDescriptor* f2) const { |
| if (f1 == nullptr) { |
| return false; |
| } |
| if (f2 == nullptr) { |
| return true; |
| } |
| return f1->full_name() < f2->full_name(); |
| } |
| }; |
| |
| using FieldDescriptorSet = |
| absl::btree_set<const FieldDescriptor*, FieldDescriptorCompare>; |
| |
| // Recursively searches the given message to collect extensions. |
| // Returns true if all the extensions can be recognized. The extensions will be |
| // appended in to the extensions parameter. |
| // Returns false when there are unknown fields, in which case the data in the |
| // extensions output parameter is not reliable and should be discarded. |
| bool CollectExtensions(const Message& message, FieldDescriptorSet* extensions) { |
| const Reflection* reflection = message.GetReflection(); |
| |
| // There are unknown fields that could be extensions, thus this call fails. |
| if (reflection->GetUnknownFields(message).field_count() > 0) return false; |
| |
| std::vector<const FieldDescriptor*> fields; |
| reflection->ListFields(message, &fields); |
| |
| for (int i = 0; i < fields.size(); i++) { |
| if (fields[i]->is_extension()) { |
| extensions->insert(fields[i]); |
| } |
| |
| if (GetJavaType(fields[i]) == JAVATYPE_MESSAGE) { |
| if (fields[i]->is_repeated()) { |
| int size = reflection->FieldSize(message, fields[i]); |
| for (int j = 0; j < size; j++) { |
| const Message& sub_message = |
| reflection->GetRepeatedMessage(message, fields[i], j); |
| if (!CollectExtensions(sub_message, extensions)) return false; |
| } |
| } else { |
| const Message& sub_message = reflection->GetMessage(message, fields[i]); |
| if (!CollectExtensions(sub_message, extensions)) return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| // Finds all extensions in the given message and its sub-messages. If the |
| // message contains unknown fields (which could be extensions), then those |
| // extensions are defined in alternate_pool. |
| // The message will be converted to a DynamicMessage backed by alternate_pool |
| // in order to handle this case. |
| void CollectExtensions(const FileDescriptorProto& file_proto, |
| const DescriptorPool& alternate_pool, |
| FieldDescriptorSet* extensions, |
| const std::string& file_data) { |
| if (!CollectExtensions(file_proto, extensions)) { |
| // There are unknown fields in the file_proto, which are probably |
| // extensions. We need to parse the data into a dynamic message based on the |
| // builder-pool to find out all extensions. |
| const Descriptor* file_proto_desc = alternate_pool.FindMessageTypeByName( |
| file_proto.GetDescriptor()->full_name()); |
| ABSL_CHECK(file_proto_desc) |
| << "Find unknown fields in FileDescriptorProto when building " |
| << file_proto.name() |
| << ". It's likely that those fields are custom options, however, " |
| "descriptor.proto is not in the transitive dependencies. " |
| "This normally should not happen. Please report a bug."; |
| DynamicMessageFactory factory; |
| std::unique_ptr<Message> dynamic_file_proto( |
| factory.GetPrototype(file_proto_desc)->New()); |
| ABSL_CHECK(dynamic_file_proto.get() != nullptr); |
| ABSL_CHECK(dynamic_file_proto->ParseFromString(file_data)); |
| |
| // Collect the extensions again from the dynamic message. There should be no |
| // more unknown fields this time, i.e. all the custom options should be |
| // parsed as extensions now. |
| extensions->clear(); |
| ABSL_CHECK(CollectExtensions(*dynamic_file_proto, extensions)) |
| << "Find unknown fields in FileDescriptorProto when building " |
| << file_proto.name() |
| << ". It's likely that those fields are custom options, however, " |
| "those options cannot be recognized in the builder pool. " |
| "This normally should not happen. Please report a bug."; |
| } |
| } |
| |
| // Our static initialization methods can become very, very large. |
| // So large that if we aren't careful we end up blowing the JVM's |
| // 64K bytes of bytecode/method. Fortunately, since these static |
| // methods are executed only once near the beginning of a program, |
| // there's usually plenty of stack space available and we can |
| // extend our methods by simply chaining them to another method |
| // with a tail call. This inserts the sequence call-next-method, |
| // end this one, begin-next-method as needed. |
| void MaybeRestartJavaMethod(io::Printer* printer, int* bytecode_estimate, |
| int* method_num, const char* chain_statement, |
| const char* method_decl) { |
| // The goal here is to stay under 64K bytes of jvm bytecode/method, |
| // since otherwise we hit a hardcoded limit in the jvm and javac will |
| // then fail with the error "code too large". This limit lets our |
| // estimates be off by a factor of two and still we're okay. |
| static const int bytesPerMethod = kMaxStaticSize; |
| |
| if ((*bytecode_estimate) > bytesPerMethod) { |
| ++(*method_num); |
| printer->Print(chain_statement, "method_num", absl::StrCat(*method_num)); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| printer->Print(method_decl, "method_num", absl::StrCat(*method_num)); |
| printer->Indent(); |
| *bytecode_estimate = 0; |
| } |
| } |
| |
| std::unique_ptr<GeneratorFactory> CreateGeneratorFactory( |
| const FileDescriptor* file, const Options& options, Context* context, |
| bool immutable_api) { |
| ABSL_CHECK(immutable_api) |
| << "Open source release does not support the mutable API"; |
| if (HasDescriptorMethods(file, context->EnforceLite())) { |
| return MakeImmutableGeneratorFactory(context); |
| } else { |
| return MakeImmutableLiteGeneratorFactory(context); |
| } |
| } |
| } // namespace |
| |
| FileGenerator::FileGenerator(const FileDescriptor* file, const Options& options, |
| bool immutable_api) |
| : file_(file), |
| java_package_(FileJavaPackage(file, immutable_api, options)), |
| message_generators_(file->message_type_count()), |
| extension_generators_(file->extension_count()), |
| context_(new Context(file, options)), |
| generator_factory_( |
| CreateGeneratorFactory(file, options, context_.get(), immutable_api)), |
| name_resolver_(context_->GetNameResolver()), |
| options_(options), |
| immutable_api_(immutable_api) { |
| classname_ = name_resolver_->GetFileClassName(file, immutable_api); |
| for (int i = 0; i < file_->message_type_count(); ++i) { |
| message_generators_[i] = |
| generator_factory_->NewMessageGenerator(file_->message_type(i)); |
| } |
| for (int i = 0; i < file_->extension_count(); ++i) { |
| extension_generators_[i] = |
| generator_factory_->NewExtensionGenerator(file_->extension(i)); |
| } |
| } |
| |
| FileGenerator::~FileGenerator() {} |
| |
| bool FileGenerator::Validate(std::string* error) { |
| // Check that no class name matches the file's class name. This is a common |
| // problem that leads to Java compile errors that can be hard to understand. |
| // It's especially bad when using the java_multiple_files, since we would |
| // end up overwriting the outer class with one of the inner ones. |
| if (name_resolver_->HasConflictingClassName(file_, classname_, |
| NameEquality::EXACT_EQUAL)) { |
| error->assign(file_->name()); |
| error->append( |
| ": Cannot generate Java output because the file's outer class name, " |
| "\""); |
| error->append(classname_); |
| error->append( |
| "\", matches the name of one of the types declared inside it. " |
| "Please either rename the type or use the java_outer_classname " |
| "option to specify a different outer class name for the .proto file."); |
| return false; |
| } |
| // Similar to the check above, but ignore the case this time. This is not a |
| // problem on Linux, but will lead to Java compile errors on Windows / Mac |
| // because filenames are case-insensitive on those platforms. |
| if (name_resolver_->HasConflictingClassName( |
| file_, classname_, NameEquality::EQUAL_IGNORE_CASE)) { |
| ABSL_LOG(WARNING) |
| << file_->name() << ": The file's outer class name, \"" << classname_ |
| << "\", matches the name of one of the types declared inside it when " |
| << "case is ignored. This can cause compilation issues on Windows / " |
| << "MacOS. Please either rename the type or use the " |
| << "java_outer_classname option to specify a different outer class " |
| << "name for the .proto file to be safe."; |
| } |
| |
| // Print a warning if optimize_for = LITE_RUNTIME is used. |
| if (file_->options().optimize_for() == FileOptions::LITE_RUNTIME && |
| !options_.enforce_lite) { |
| ABSL_LOG(WARNING) |
| << "The optimize_for = LITE_RUNTIME option is no longer supported by " |
| << "protobuf Java code generator and is ignored--protoc will always " |
| << "generate full runtime code for Java. To use Java Lite runtime, " |
| << "users should use the Java Lite plugin instead. See:\n" |
| << " " |
| "https://github.com/protocolbuffers/protobuf/blob/main/java/" |
| "lite.md"; |
| } |
| return true; |
| } |
| |
| void FileGenerator::Generate(io::Printer* printer) { |
| // We don't import anything because we refer to all classes by their |
| // fully-qualified names in the generated source. |
| printer->Print( |
| "// Generated by the protocol buffer compiler. DO NOT EDIT!\n" |
| "// NO CHECKED-IN PROTOBUF " |
| // Intentional line breaker |
| "GENCODE\n" |
| "// source: $filename$\n", |
| "filename", file_->name()); |
| if (options_.opensource_runtime) { |
| printer->Print("// Protobuf Java Version: $protobuf_java_version$\n", |
| "protobuf_java_version", PROTOBUF_JAVA_VERSION_STRING); |
| } |
| printer->Print("\n"); |
| if (!java_package_.empty()) { |
| printer->Print( |
| "package $package$;\n" |
| "\n", |
| "package", java_package_); |
| } |
| PrintGeneratedAnnotation( |
| printer, '$', |
| options_.annotate_code ? absl::StrCat(classname_, ".java.pb.meta") : "", |
| options_); |
| |
| if (!options_.opensource_runtime) { |
| printer->Print("@com.google.protobuf.Internal.ProtoNonnullApi\n"); |
| } |
| printer->Print( |
| "$deprecation$public final class $classname$ {\n" |
| " private $ctor$() {}\n", |
| "deprecation", |
| file_->options().deprecated() ? "@java.lang.Deprecated " : "", |
| "classname", classname_, "ctor", classname_); |
| printer->Annotate("classname", file_->name()); |
| printer->Indent(); |
| |
| if (!context_->EnforceLite()) { |
| printer->Print("static {\n"); |
| printer->Indent(); |
| PrintGencodeVersionValidator(printer, options_.opensource_runtime, |
| classname_); |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| // ----------------------------------------------------------------- |
| |
| printer->Print( |
| "public static void registerAllExtensions(\n" |
| " com.google.protobuf.ExtensionRegistryLite registry) {\n"); |
| |
| printer->Indent(); |
| |
| for (int i = 0; i < file_->extension_count(); i++) { |
| extension_generators_[i]->GenerateRegistrationCode(printer); |
| } |
| |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| message_generators_[i]->GenerateExtensionRegistrationCode(printer); |
| } |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| if (HasDescriptorMethods(file_, context_->EnforceLite())) { |
| // Overload registerAllExtensions for the non-lite usage to |
| // redundantly maintain the original signature (this is |
| // redundant because ExtensionRegistryLite now invokes |
| // ExtensionRegistry in the non-lite usage). Intent is |
| // to remove this in the future. |
| printer->Print( |
| "\n" |
| "public static void registerAllExtensions(\n" |
| " com.google.protobuf.ExtensionRegistry registry) {\n" |
| " registerAllExtensions(\n" |
| " (com.google.protobuf.ExtensionRegistryLite) registry);\n" |
| "}\n"); |
| } |
| |
| // ----------------------------------------------------------------- |
| |
| if (!MultipleJavaFiles(file_, immutable_api_)) { |
| for (int i = 0; i < file_->enum_type_count(); i++) { |
| generator_factory_->NewEnumGenerator(file_->enum_type(i)) |
| ->Generate(printer); |
| } |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| message_generators_[i]->GenerateInterface(printer); |
| message_generators_[i]->Generate(printer); |
| } |
| if (HasGenericServices(file_, context_->EnforceLite())) { |
| for (int i = 0; i < file_->service_count(); i++) { |
| std::unique_ptr<ServiceGenerator> generator( |
| generator_factory_->NewServiceGenerator(file_->service(i))); |
| generator->Generate(printer); |
| } |
| } |
| } |
| |
| // Extensions must be generated in the outer class since they are values, |
| // not classes. |
| for (int i = 0; i < file_->extension_count(); i++) { |
| extension_generators_[i]->Generate(printer); |
| } |
| |
| // Static variables. We'd like them to be final if possible, but due to |
| // the JVM's 64k size limit on static blocks, we have to initialize some |
| // of them in methods; thus they cannot be final. |
| int static_block_bytecode_estimate = 0; |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| message_generators_[i]->GenerateStaticVariables( |
| printer, &static_block_bytecode_estimate); |
| } |
| |
| printer->Print("\n"); |
| |
| if (HasDescriptorMethods(file_, context_->EnforceLite())) { |
| if (immutable_api_) { |
| GenerateDescriptorInitializationCodeForImmutable(printer); |
| } |
| } else { |
| printer->Print("static {\n"); |
| printer->Indent(); |
| int bytecode_estimate = 0; |
| int method_num = 0; |
| |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| bytecode_estimate += |
| message_generators_[i]->GenerateStaticVariableInitializers(printer); |
| MaybeRestartJavaMethod( |
| printer, &bytecode_estimate, &method_num, |
| "_clinit_autosplit_$method_num$();\n", |
| "private static void _clinit_autosplit_$method_num$() {\n"); |
| } |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| printer->Print( |
| "\n" |
| "// @@protoc_insertion_point(outer_class_scope)\n"); |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| void FileGenerator::GenerateDescriptorInitializationCodeForImmutable( |
| io::Printer* printer) { |
| printer->Print( |
| "public static com.google.protobuf.Descriptors.FileDescriptor\n" |
| " getDescriptor() {\n" |
| " return descriptor;\n" |
| "}\n" |
| "private static $final$ com.google.protobuf.Descriptors.FileDescriptor\n" |
| " descriptor;\n" |
| "static {\n", |
| // TODO: Mark this as final. |
| "final", options_.opensource_runtime ? "" : "final"); |
| printer->Indent(); |
| |
| if (options_.opensource_runtime) { |
| SharedCodeGenerator shared_code_generator(file_, options_); |
| shared_code_generator.GenerateDescriptors(printer); |
| } else { |
| } |
| |
| int bytecode_estimate = 0; |
| int method_num = 0; |
| |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| bytecode_estimate += |
| message_generators_[i]->GenerateStaticVariableInitializers(printer); |
| MaybeRestartJavaMethod( |
| printer, &bytecode_estimate, &method_num, |
| "_clinit_autosplit_dinit_$method_num$();\n", |
| "private static void _clinit_autosplit_dinit_$method_num$() {\n"); |
| } |
| for (int i = 0; i < file_->extension_count(); i++) { |
| bytecode_estimate += |
| extension_generators_[i]->GenerateNonNestedInitializationCode(printer); |
| MaybeRestartJavaMethod( |
| printer, &bytecode_estimate, &method_num, |
| "_clinit_autosplit_dinit_$method_num$();\n", |
| "private static void _clinit_autosplit_dinit_$method_num$() {\n"); |
| } |
| // Feature resolution for Java features uses extension registry |
| // which must happen after internalInit() from |
| // GenerateNonNestedInitializationCode |
| printer->Print("descriptor.resolveAllFeaturesImmutable();\n"); |
| |
| // Proto compiler builds a DescriptorPool, which holds all the descriptors to |
| // generate, when processing the ".proto" files. We call this DescriptorPool |
| // the parsed pool (a.k.a. file_->pool()). |
| // |
| // Note that when users try to extend the (.*)DescriptorProto in their |
| // ".proto" files, it does not affect the pre-built FileDescriptorProto class |
| // in proto compiler. When we put the descriptor data in the file_proto, those |
| // extensions become unknown fields. |
| // |
| // Now we need to find out all the extension value to the (.*)DescriptorProto |
| // in the file_proto message, and prepare an ExtensionRegistry to return. |
| // |
| // To find those extensions, we need to parse the data into a dynamic message |
| // of the FileDescriptor based on the builder-pool, then we can use |
| // reflections to find all extension fields |
| FileDescriptorProto file_proto = StripSourceRetentionOptions(*file_); |
| std::string file_data; |
| file_proto.SerializeToString(&file_data); |
| FieldDescriptorSet extensions; |
| CollectExtensions(file_proto, *file_->pool(), &extensions, file_data); |
| |
| if (options_.strip_nonfunctional_codegen) { |
| // Skip feature extensions, which are a visible (but non-functional) |
| // deviation between editions and legacy syntax. |
| absl::erase_if(extensions, [](const FieldDescriptor* field) { |
| return field->containing_type()->full_name() == "google.protobuf.FeatureSet"; |
| }); |
| } |
| |
| // Force descriptor initialization of all dependencies. |
| for (int i = 0; i < file_->dependency_count(); i++) { |
| if (ShouldIncludeDependency(file_->dependency(i), true)) { |
| std::string dependency = |
| name_resolver_->GetImmutableClassName(file_->dependency(i)); |
| printer->Print("$dependency$.getDescriptor();\n", "dependency", |
| dependency); |
| } |
| } |
| |
| if (!extensions.empty()) { |
| // Must construct an ExtensionRegistry containing all existing extensions |
| // and use it to parse the descriptor data again to recognize extensions. |
| printer->Print( |
| "com.google.protobuf.ExtensionRegistry registry =\n" |
| " com.google.protobuf.ExtensionRegistry.newInstance();\n"); |
| FieldDescriptorSet::iterator it; |
| for (const FieldDescriptor* field : extensions) { |
| std::unique_ptr<ExtensionGenerator> generator( |
| generator_factory_->NewExtensionGenerator(field)); |
| bytecode_estimate += generator->GenerateRegistrationCode(printer); |
| MaybeRestartJavaMethod( |
| printer, &bytecode_estimate, &method_num, |
| "_clinit_autosplit_dinit_$method_num$(registry);\n", |
| "private static void _clinit_autosplit_dinit_$method_num$(\n" |
| " com.google.protobuf.ExtensionRegistry registry) {\n"); |
| } |
| printer->Print( |
| "com.google.protobuf.Descriptors.FileDescriptor\n" |
| " .internalUpdateFileDescriptor(descriptor, registry);\n"); |
| } |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| |
| template <typename GeneratorClass, typename DescriptorClass> |
| static void GenerateSibling( |
| const std::string& package_dir, const std::string& java_package, |
| const DescriptorClass* descriptor, GeneratorContext* context, |
| std::vector<std::string>* file_list, bool annotate_code, |
| std::vector<std::string>* annotation_list, const std::string& name_suffix, |
| GeneratorClass* generator, bool opensource_runtime, |
| void (GeneratorClass::*pfn)(io::Printer* printer)) { |
| std::string filename = |
| absl::StrCat(package_dir, descriptor->name(), name_suffix, ".java"); |
| file_list->push_back(filename); |
| std::string info_full_path = absl::StrCat(filename, ".pb.meta"); |
| GeneratedCodeInfo annotations; |
| io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector( |
| &annotations); |
| |
| std::unique_ptr<io::ZeroCopyOutputStream> output(context->Open(filename)); |
| io::Printer printer(output.get(), '$', |
| annotate_code ? &annotation_collector : nullptr); |
| |
| printer.Print( |
| "// Generated by the protocol buffer compiler. DO NOT EDIT!\n" |
| "// NO CHECKED-IN PROTOBUF " |
| // Intentional line breaker |
| "GENCODE\n" |
| "// source: $filename$\n", |
| "filename", descriptor->file()->name()); |
| if (opensource_runtime) { |
| printer.Print("// Protobuf Java Version: $protobuf_java_version$\n", |
| "protobuf_java_version", PROTOBUF_JAVA_VERSION_STRING); |
| } |
| printer.Print("\n"); |
| if (!java_package.empty()) { |
| printer.Print( |
| "package $package$;\n" |
| "\n", |
| "package", java_package); |
| } |
| |
| (generator->*pfn)(&printer); |
| |
| if (annotate_code) { |
| std::unique_ptr<io::ZeroCopyOutputStream> info_output( |
| context->Open(info_full_path)); |
| annotations.SerializeToZeroCopyStream(info_output.get()); |
| annotation_list->push_back(info_full_path); |
| } |
| } |
| |
| void FileGenerator::GenerateSiblings( |
| const std::string& package_dir, GeneratorContext* context, |
| std::vector<std::string>* file_list, |
| std::vector<std::string>* annotation_list) { |
| if (MultipleJavaFiles(file_, immutable_api_)) { |
| for (int i = 0; i < file_->enum_type_count(); i++) { |
| std::unique_ptr<EnumGenerator> generator( |
| generator_factory_->NewEnumGenerator(file_->enum_type(i))); |
| GenerateSibling<EnumGenerator>( |
| package_dir, java_package_, file_->enum_type(i), context, file_list, |
| options_.annotate_code, annotation_list, "", generator.get(), |
| options_.opensource_runtime, &EnumGenerator::Generate); |
| } |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| if (immutable_api_) { |
| GenerateSibling<MessageGenerator>( |
| package_dir, java_package_, file_->message_type(i), context, |
| file_list, options_.annotate_code, annotation_list, "OrBuilder", |
| message_generators_[i].get(), options_.opensource_runtime, |
| &MessageGenerator::GenerateInterface); |
| } |
| GenerateSibling<MessageGenerator>( |
| package_dir, java_package_, file_->message_type(i), context, |
| file_list, options_.annotate_code, annotation_list, "", |
| message_generators_[i].get(), options_.opensource_runtime, |
| &MessageGenerator::Generate); |
| } |
| if (HasGenericServices(file_, context_->EnforceLite())) { |
| for (int i = 0; i < file_->service_count(); i++) { |
| std::unique_ptr<ServiceGenerator> generator( |
| generator_factory_->NewServiceGenerator(file_->service(i))); |
| GenerateSibling<ServiceGenerator>( |
| package_dir, java_package_, file_->service(i), context, file_list, |
| options_.annotate_code, annotation_list, "", generator.get(), |
| options_.opensource_runtime, &ServiceGenerator::Generate); |
| } |
| } |
| } |
| } |
| |
| std::string FileGenerator::GetKotlinClassname() { |
| return name_resolver_->GetFileClassName(file_, immutable_api_, true); |
| } |
| |
| void FileGenerator::GenerateKotlin(io::Printer* printer) { |
| printer->Print( |
| "// Generated by the protocol buffer compiler. DO NOT EDIT!\n" |
| "// NO CHECKED-IN PROTOBUF " |
| // Intentional line breaker |
| "GENCODE\n" |
| "// source: $filename$\n" |
| "\n", |
| "filename", file_->name()); |
| printer->Print( |
| "// Generated files should ignore deprecation warnings\n" |
| "@file:Suppress(\"DEPRECATION\")\n"); |
| if (!java_package_.empty()) { |
| printer->Print( |
| "package $package$;\n" |
| "\n", |
| "package", EscapeKotlinKeywords(java_package_)); |
| } |
| } |
| |
| void FileGenerator::GenerateKotlinSiblings( |
| const std::string& package_dir, GeneratorContext* context, |
| std::vector<std::string>* file_list, |
| std::vector<std::string>* annotation_list) { |
| for (int i = 0; i < file_->message_type_count(); i++) { |
| const Descriptor* descriptor = file_->message_type(i); |
| MessageGenerator* generator = message_generators_[i].get(); |
| auto open_file = [context](const std::string& filename) { |
| return std::unique_ptr<io::ZeroCopyOutputStream>(context->Open(filename)); |
| }; |
| std::string filename = |
| absl::StrCat(package_dir, descriptor->name(), "Kt.kt"); |
| file_list->push_back(filename); |
| std::string info_full_path = absl::StrCat(filename, ".pb.meta"); |
| GeneratedCodeInfo annotations; |
| io::AnnotationProtoCollector<GeneratedCodeInfo> annotation_collector( |
| &annotations); |
| auto output = open_file(filename); |
| io::Printer printer( |
| output.get(), '$', |
| options_.annotate_code ? &annotation_collector : nullptr); |
| |
| printer.Print( |
| "// Generated by the protocol buffer compiler. DO NOT EDIT!\n" |
| "// NO CHECKED-IN PROTOBUF " |
| // Intentional line breaker |
| "GENCODE\n" |
| "// source: $filename$\n" |
| "\n", |
| "filename", descriptor->file()->name()); |
| printer.Print( |
| "// Generated files should ignore deprecation warnings\n" |
| "@file:Suppress(\"DEPRECATION\")\n"); |
| if (!java_package_.empty()) { |
| printer.Print( |
| "package $package$;\n" |
| "\n", |
| "package", EscapeKotlinKeywords(java_package_)); |
| } |
| |
| generator->GenerateKotlinMembers(&printer); |
| generator->GenerateTopLevelKotlinMembers(&printer); |
| |
| if (options_.annotate_code) { |
| auto info_output = open_file(info_full_path); |
| annotations.SerializeToZeroCopyStream(info_output.get()); |
| annotation_list->push_back(info_full_path); |
| } |
| } |
| } |
| |
| bool FileGenerator::ShouldIncludeDependency(const FileDescriptor* descriptor, |
| bool immutable_api) { |
| // Skip feature imports, which are a visible (but non-functional) deviation |
| // between editions and legacy syntax. |
| if (options_.strip_nonfunctional_codegen && |
| IsKnownFeatureProto(descriptor->name())) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace java |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #include "google/protobuf/port_undef.inc" |