| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
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| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
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| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
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| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| |
| // Author: jieluo@google.com (Jie Luo) |
| // |
| // Generates Python stub (.pyi) for a given .proto file. |
| |
| #ifndef GOOGLE_PROTOBUF_COMPILER_PYTHON_PYI_GENERATOR_H__ |
| #define GOOGLE_PROTOBUF_COMPILER_PYTHON_PYI_GENERATOR_H__ |
| |
| #include <string> |
| |
| #include "absl/container/flat_hash_map.h" |
| #include "absl/container/flat_hash_set.h" |
| #include "absl/synchronization/mutex.h" |
| #include "google/protobuf/compiler/code_generator.h" |
| |
| // Must be included last. |
| #include "google/protobuf/port_def.inc" |
| |
| namespace google { |
| namespace protobuf { |
| class Descriptor; |
| class EnumDescriptor; |
| class FieldDescriptor; |
| class MethodDescriptor; |
| class ServiceDescriptor; |
| |
| namespace io { |
| class Printer; |
| } |
| |
| namespace compiler { |
| namespace python { |
| |
| class PROTOC_EXPORT PyiGenerator : public google::protobuf::compiler::CodeGenerator { |
| public: |
| PyiGenerator(); |
| PyiGenerator(const PyiGenerator&) = delete; |
| PyiGenerator& operator=(const PyiGenerator&) = delete; |
| ~PyiGenerator() override; |
| |
| // CodeGenerator methods. |
| uint64_t GetSupportedFeatures() const override { |
| // Code generators must explicitly support proto3 optional. |
| return CodeGenerator::FEATURE_PROTO3_OPTIONAL; |
| } |
| bool Generate(const FileDescriptor* file, const std::string& parameter, |
| GeneratorContext* generator_context, |
| std::string* error) const override; |
| |
| private: |
| void PrintImportForDescriptor( |
| const FileDescriptor& desc, |
| absl::flat_hash_set<std::string>* seen_aliases) const; |
| template <typename DescriptorT> |
| void Annotate(const std::string& label, const DescriptorT* descriptor) const; |
| void PrintImports() const; |
| void PrintTopLevelEnums() const; |
| void PrintEnum(const EnumDescriptor& enum_descriptor) const; |
| void PrintEnumValues(const EnumDescriptor& enum_descriptor, |
| bool is_classvar = false) const; |
| template <typename DescriptorT> |
| void PrintExtensions(const DescriptorT& descriptor) const; |
| void PrintMessages() const; |
| void PrintMessage(const Descriptor& message_descriptor, bool is_nested) const; |
| void PrintServices() const; |
| std::string GetFieldType( |
| const FieldDescriptor& field_des, const Descriptor& containing_des) const; |
| template <typename DescriptorT> |
| std::string ModuleLevelName(const DescriptorT& descriptor) const; |
| std::string PublicPackage() const; |
| std::string InternalPackage() const; |
| |
| bool opensource_runtime_ = true; |
| |
| // Very coarse-grained lock to ensure that Generate() is reentrant. |
| // Guards file_, printer_, and import_map_. |
| mutable absl::Mutex mutex_; |
| mutable const FileDescriptor* file_; // Set in Generate(). Under mutex_. |
| mutable io::Printer* printer_; // Set in Generate(). Under mutex_. |
| // import_map will be a mapping from filename to module alias, e.g. |
| // "google3/foo/bar.py" -> "_bar" |
| mutable absl::flat_hash_map<std::string, std::string> import_map_; |
| }; |
| |
| } // namespace python |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #include "google/protobuf/port_undef.inc" |
| |
| #endif // GOOGLE_PROTOBUF_COMPILER_PYTHON_PYI_GENERATOR_H__ |