| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // 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. |
| // * Neither the name of Google Inc. nor the names of its |
| // 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 |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FILE_H__ |
| #define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FILE_H__ |
| |
| #include <functional> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "absl/container/flat_hash_map.h" |
| #include "absl/container/flat_hash_set.h" |
| #include "google/protobuf/compiler/objectivec/enum.h" |
| #include "google/protobuf/compiler/objectivec/extension.h" |
| #include "google/protobuf/compiler/objectivec/message.h" |
| #include "google/protobuf/compiler/objectivec/options.h" |
| #include "google/protobuf/descriptor.h" |
| #include "google/protobuf/io/printer.h" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace objectivec { |
| |
| class FileGenerator { |
| public: |
| // Wrapper for some common state that is shared between file generations to |
| // improve performance when more than one file is generated at a time. |
| struct CommonState { |
| CommonState() = default; |
| |
| std::vector<const FileDescriptor*> |
| CollectMinimalFileDepsContainingExtensions(const FileDescriptor* file); |
| |
| private: |
| struct MinDepsEntry { |
| bool has_extensions; |
| // The minimal dependencies that cover all the dependencies with |
| // extensions. |
| absl::flat_hash_set<const FileDescriptor*> min_deps; |
| absl::flat_hash_set<const FileDescriptor*> transitive_deps; |
| }; |
| const MinDepsEntry& CollectMinimalFileDepsContainingExtensionsInternal( |
| const FileDescriptor* file); |
| absl::flat_hash_map<const FileDescriptor*, MinDepsEntry> deps_info_cache; |
| }; |
| |
| FileGenerator(const FileDescriptor* file, |
| const GenerationOptions& generation_options, |
| CommonState& common_state); |
| ~FileGenerator() = default; |
| |
| FileGenerator(const FileGenerator&) = delete; |
| FileGenerator& operator=(const FileGenerator&) = delete; |
| |
| void GenerateHeader(io::Printer* p) const; |
| void GenerateSource(io::Printer* p) const; |
| |
| enum class GeneratedFileType : int { kHeader, kSource }; |
| |
| void GenerateFile(io::Printer* p, GeneratedFileType file_type, |
| const std::vector<std::string>& ignored_warnings, |
| const std::vector<const FileDescriptor*>& extra_files, |
| std::function<void()> body) const; |
| void GenerateFile(io::Printer* p, GeneratedFileType file_type, |
| std::function<void()> body) const { |
| GenerateFile(p, file_type, {}, {}, body); |
| } |
| |
| void PrintRootImplementation( |
| io::Printer* p, |
| const std::vector<const FileDescriptor*>& deps_with_extensions) const; |
| void PrintRootExtensionRegistryImplementation( |
| io::Printer* p, |
| const std::vector<const FileDescriptor*>& deps_with_extensions) const; |
| void PrintFileDescriptorImplementation(io::Printer* p) const; |
| |
| bool HeadersUseForwardDeclarations() const { |
| // The bundled protos (WKTs) don't make use of forward declarations. |
| return !is_bundled_proto_ && |
| generation_options_.headers_use_forward_declarations; |
| } |
| |
| private: |
| const FileDescriptor* file_; |
| const GenerationOptions& generation_options_; |
| mutable CommonState* common_state_; |
| const std::string root_class_name_; |
| const bool is_bundled_proto_; |
| |
| std::vector<std::unique_ptr<EnumGenerator>> enum_generators_; |
| std::vector<std::unique_ptr<MessageGenerator>> message_generators_; |
| // The first file_->extension_count() are the extensions at file level scope. |
| std::vector<std::unique_ptr<ExtensionGenerator>> extension_generators_; |
| }; |
| |
| } // namespace objectivec |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #endif // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FILE_H__ |