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Moving Kotlin DSL file generator to its own directory
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| // 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 | ||
|
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| // Generates Kotlin code for a given .proto file. | ||
|
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| #include "google/protobuf/compiler/kotlin/file.h" | ||
|
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| #include <memory> | ||
| #include <string> | ||
| #include <vector> | ||
|
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| #include "absl/strings/str_cat.h" | ||
| #include "google/protobuf/compiler/code_generator.h" | ||
| #include "google/protobuf/compiler/java/context.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/names.h" | ||
| #include "google/protobuf/compiler/java/options.h" | ||
| #include "google/protobuf/descriptor.pb.h" | ||
| #include "google/protobuf/io/printer.h" | ||
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| namespace google { | ||
| namespace protobuf { | ||
| namespace compiler { | ||
| namespace kotlin { | ||
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| using google::protobuf::compiler::java::Context; | ||
| using google::protobuf::compiler::java::Options; | ||
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| // class LiteGeneratorFactory; | ||
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| namespace { | ||
| std::unique_ptr<java::GeneratorFactory> CreateGeneratorFactory( | ||
| const FileDescriptor* file, const Options& options, Context* context) { | ||
| if (java::HasDescriptorMethods(file, context->EnforceLite())) { | ||
| return java::MakeImmutableGeneratorFactory(context); | ||
| } else { | ||
| return java::MakeImmutableLiteGeneratorFactory(context); | ||
| } | ||
| } | ||
| } // namespace | ||
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| FileGenerator::FileGenerator(const FileDescriptor* file, const Options& options) | ||
| : file_(file), | ||
| java_package_(java::FileJavaPackage(file, options)), | ||
| message_generators_(file->message_type_count()), | ||
| context_(new Context(file, options)), | ||
| generator_factory_(CreateGeneratorFactory(file, options, context_.get())), | ||
| name_resolver_(context_->GetNameResolver()), | ||
| options_(options) { | ||
| for (int i = 0; i < file_->message_type_count(); ++i) { | ||
| message_generators_[i] = | ||
| generator_factory_->NewMessageGenerator(file_->message_type(i)); | ||
| } | ||
| } | ||
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| std::string FileGenerator::GetKotlinClassname() { | ||
| return absl::StrCat(name_resolver_->GetFileImmutableClassName(file_), "Kt"); | ||
| } | ||
|
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| void FileGenerator::Generate(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", java::EscapeKotlinKeywords(java_package_)); | ||
| } | ||
| } | ||
|
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| void FileGenerator::GenerateSiblings( | ||
| 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); | ||
| java::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); | ||
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| 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", java::EscapeKotlinKeywords(java_package_)); | ||
| } | ||
|
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| generator->GenerateKotlinMembers(&printer); | ||
| generator->GenerateTopLevelKotlinMembers(&printer); | ||
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| if (options_.annotate_code) { | ||
| auto info_output = open_file(info_full_path); | ||
| annotations.SerializeToZeroCopyStream(info_output.get()); | ||
| annotation_list->push_back(info_full_path); | ||
| } | ||
| } | ||
| } | ||
|
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| } // namespace kotlin | ||
| } // namespace compiler | ||
| } // namespace protobuf | ||
| } // namespace google |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // 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 | ||
|
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| // Generates Kotlin code for a given .proto file. | ||
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| #ifndef GOOGLE_PROTOBUF_COMPILER_KOTLIN_FILE_H__ | ||
| #define GOOGLE_PROTOBUF_COMPILER_KOTLIN_FILE_H__ | ||
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| #include <memory> | ||
| #include <string> | ||
| #include <vector> | ||
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| #include "google/protobuf/compiler/java/generator_factory.h" | ||
| #include "google/protobuf/compiler/java/options.h" | ||
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| namespace google { | ||
| namespace protobuf { | ||
| class FileDescriptor; // descriptor.h | ||
| namespace io { | ||
| class Printer; // printer.h | ||
| } | ||
| namespace compiler { | ||
| class GeneratorContext; // code_generator.h | ||
| namespace java { | ||
| class Context; // context.h | ||
| class MessageGenerator; // message.h | ||
| class GeneratorFactory; // generator_factory.h | ||
| class ExtensionGenerator; // extension.h | ||
| class ClassNameResolver; // name_resolver.h | ||
| } // namespace java | ||
| } // namespace compiler | ||
| } // namespace protobuf | ||
| } // namespace google | ||
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| namespace google { | ||
| namespace protobuf { | ||
| namespace compiler { | ||
| namespace kotlin { | ||
|
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| // TODO: b/366047913 - Move away from these generator classes and more towards | ||
| // the "Context" model that the Kotlin Native & Rust code generators use: | ||
| // http://google3/third_party/kotlin/protobuf/generator/native/file.cc;l=149-170;rcl=642292300 | ||
| class FileGenerator { | ||
| public: | ||
| FileGenerator(const FileDescriptor* file, const java::Options& options); | ||
| FileGenerator(const FileGenerator&) = delete; | ||
| FileGenerator& operator=(const FileGenerator&) = delete; | ||
| ~FileGenerator() = default; | ||
|
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| std::string GetKotlinClassname(); | ||
| void Generate(io::Printer* printer); | ||
| void GenerateSiblings(const std::string& package_dir, | ||
| GeneratorContext* generator_context, | ||
| std::vector<std::string>* file_list, | ||
| std::vector<std::string>* annotation_list); | ||
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| const std::string& java_package() { return java_package_; } | ||
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| private: | ||
| const FileDescriptor* file_; | ||
| std::string java_package_; | ||
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| std::vector<std::unique_ptr<java::MessageGenerator>> message_generators_; | ||
| std::unique_ptr<java::Context> context_; | ||
| std::unique_ptr<java::GeneratorFactory> generator_factory_; | ||
| java::ClassNameResolver* name_resolver_; | ||
| const java::Options options_; | ||
| }; | ||
|
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| } // namespace kotlin | ||
| } // namespace compiler | ||
| } // namespace protobuf | ||
| } // namespace google | ||
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| #endif // GOOGLE_PROTOBUF_COMPILER_KOTLIN_FILE_H__ |
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