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@ -44,6 +44,7 @@ |
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#include "absl/container/flat_hash_map.h" |
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#include "absl/container/flat_hash_set.h" |
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#include "absl/strings/str_cat.h" |
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#include "absl/strings/str_join.h" |
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#include "google/protobuf/compiler/objectivec/enum.h" |
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#include "google/protobuf/compiler/objectivec/extension.h" |
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#include "google/protobuf/compiler/objectivec/import_writer.h" |
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@ -242,155 +243,172 @@ FileGenerator::FileGenerator(const FileDescriptor* file, |
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} |
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void FileGenerator::GenerateHeader(io::Printer* printer) const { |
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std::vector<std::string> headers; |
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// Generated files bundled with the library get minimal imports, everything
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// else gets the wrapper so everything is usable.
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if (is_bundled_proto_) { |
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headers.push_back("GPBDescriptor.h"); |
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headers.push_back("GPBMessage.h"); |
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headers.push_back("GPBRootObject.h"); |
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for (int i = 0; i < file_->dependency_count(); i++) { |
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const std::string header_name = BundledFileName(file_->dependency(i)); |
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headers.push_back(header_name); |
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} |
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} else { |
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headers.push_back("GPBProtocolBuffers.h"); |
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} |
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PrintFileRuntimePreamble(printer, headers); |
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// Add some verification that the generated code matches the source the
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// code is being compiled with.
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// NOTE: This captures the raw numeric values at the time the generator was
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// compiled, since that will be the versions for the ObjC runtime at that
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// time. The constants in the generated code will then get their values at
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// at compile time (so checking against the headers being used to compile).
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// clang-format off
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printer->Print( |
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"#if GOOGLE_PROTOBUF_OBJC_VERSION < $google_protobuf_objc_version$\n" |
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"#error This file was generated by a newer version of protoc which is incompatible with your Protocol Buffer library sources.\n" |
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"#endif\n" |
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"#if $google_protobuf_objc_version$ < GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION\n" |
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"#error This file was generated by an older version of protoc which is incompatible with your Protocol Buffer library sources.\n" |
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"#endif\n" |
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"\n", |
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"google_protobuf_objc_version", absl::StrCat(GOOGLE_PROTOBUF_OBJC_VERSION)); |
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// clang-format on
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// The bundled protos (WKTs) don't use of forward declarations.
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bool headers_use_forward_declarations = |
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generation_options_.headers_use_forward_declarations && |
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!is_bundled_proto_; |
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{ |
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ImportWriter import_writer( |
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generation_options_.generate_for_named_framework, |
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generation_options_.named_framework_to_proto_path_mappings_path, |
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generation_options_.runtime_import_prefix, |
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/* include_wkt_imports = */ false); |
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const std::string header_extension(kHeaderExtension); |
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if (headers_use_forward_declarations) { |
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// #import any headers for "public imports" in the proto file.
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for (int i = 0; i < file_->public_dependency_count(); i++) { |
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import_writer.AddFile(file_->public_dependency(i), header_extension); |
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} |
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} else { |
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for (int i = 0; i < file_->dependency_count(); i++) { |
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import_writer.AddFile(file_->dependency(i), header_extension); |
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} |
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} |
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import_writer.Emit(printer); |
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} |
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ImportWriter import_writer( |
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generation_options_.generate_for_named_framework, |
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generation_options_.named_framework_to_proto_path_mappings_path, |
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generation_options_.runtime_import_prefix, |
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/* for_bundled_proto = */ is_bundled_proto_); |
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const std::string header_extension(kHeaderExtension); |
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// Note:
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// deprecated-declarations suppression is only needed if some place in this
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// proto file is something deprecated or if it references something from
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// another file that is deprecated.
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// clang-format off
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printer->Print( |
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"// @@protoc_insertion_point(imports)\n" |
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"\n" |
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"#pragma clang diagnostic push\n" |
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"#pragma clang diagnostic ignored \"-Wdeprecated-declarations\"\n" |
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"\n" |
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"CF_EXTERN_C_BEGIN\n" |
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"\n"); |
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// clang-format on
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absl::btree_set<std::string> fwd_decls; |
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for (const auto& generator : message_generators_) { |
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generator->DetermineForwardDeclarations( |
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&fwd_decls, |
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/* include_external_types = */ headers_use_forward_declarations); |
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} |
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for (const auto& fwd_decl : fwd_decls) { |
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printer->Print("$value$;\n", "value", fwd_decl); |
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} |
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if (fwd_decls.begin() != fwd_decls.end()) { |
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printer->Print("\n"); |
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} |
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printer->Print( |
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"NS_ASSUME_NONNULL_BEGIN\n" |
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"\n"); |
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// need to write out all enums first
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for (const auto& generator : enum_generators_) { |
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generator->GenerateHeader(printer); |
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// Generated files bundled with the library get minimal imports, everything
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// else gets the wrapper so everything is usable.
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if (is_bundled_proto_) { |
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import_writer.AddRuntimeImport("GPBDescriptor.h"); |
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import_writer.AddRuntimeImport("GPBMessage.h"); |
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import_writer.AddRuntimeImport("GPBRootObject.h"); |
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} else { |
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import_writer.AddRuntimeImport("GPBProtocolBuffers.h"); |
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} |
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// For extensions to chain together, the Root gets created even if there
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// are no extensions.
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printer->Print( |
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// clang-format off
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"#pragma mark - $root_class_name$\n" |
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"\n" |
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"/**\n" |
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" * Exposes the extension registry for this file.\n" |
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" *\n" |
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" * The base class provides:\n" |
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" * @code\n" |
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" * + (GPBExtensionRegistry *)extensionRegistry;\n" |
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" * @endcode\n" |
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" * which is a @c GPBExtensionRegistry that includes all the extensions defined by\n" |
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" * this file and all files that it depends on.\n" |
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" **/\n" |
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"GPB_FINAL @interface $root_class_name$ : GPBRootObject\n" |
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"@end\n" |
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"\n", |
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// clang-format off
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"root_class_name", root_class_name_); |
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// The dynamic methods block is only needed if there are extensions that are
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// file level scoped (not message scoped). The first file_->extension_count()
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// of extension_generators_ are the file scoped ones.
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if (file_->extension_count()) { |
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printer->Print( |
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"@interface $root_class_name$ (DynamicMethods)\n", |
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"root_class_name", root_class_name_); |
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for (int i = 0; i < file_->extension_count(); i++) { |
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extension_generators_[i]->GenerateMembersHeader(printer); |
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if (headers_use_forward_declarations) { |
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// #import any headers for "public imports" in the proto file.
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for (int i = 0; i < file_->public_dependency_count(); i++) { |
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import_writer.AddFile(file_->public_dependency(i), header_extension); |
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} |
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} else { |
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for (int i = 0; i < file_->dependency_count(); i++) { |
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import_writer.AddFile(file_->dependency(i), header_extension); |
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} |
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printer->Print("@end\n\n"); |
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} // file_->extension_count()
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for (const auto& generator : message_generators_) { |
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generator->GenerateMessageHeader(printer); |
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} |
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// clang-format off
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printer->Print( |
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"NS_ASSUME_NONNULL_END\n" |
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"\n" |
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"CF_EXTERN_C_END\n" |
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"\n" |
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"#pragma clang diagnostic pop\n" |
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"\n" |
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"// @@protoc_insertion_point(global_scope)\n" |
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"\n" |
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"// clange-format on\n"); |
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// clang-format on
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printer->Emit( |
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{ |
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// Avoid the directive within the string below being seen by the
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// tool.
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{"clangfmt", "clang-format"}, |
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{"filename", file_->name()}, |
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// For extensions to chain together, the Root gets created even if
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// there are no extensions.
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{"root_class_name", root_class_name_}, |
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{"runtime_imports", |
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[&] { |
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import_writer.EmitRuntimeImports( |
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printer, /* default_cpp_symbol = */ !is_bundled_proto_); |
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}}, |
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// Add some verification that the generated code matches the source
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// the code is being compiled with.
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//
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// NOTE: Where used, this captures the raw numeric values at the
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// time the generator was compiled, since that will be the versions
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// for the ObjC runtime at that time. The constants in the
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// generated code will then get their values at at compile time (so
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// checking against the headers being used to compile).
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{"google_protobuf_objc_version", GOOGLE_PROTOBUF_OBJC_VERSION}, |
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{"file_imports", [&] { import_writer.EmitFileImports(printer); }}, |
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{"fwd_decls", |
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[&] { |
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absl::btree_set<std::string> fwd_decls; |
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for (const auto& generator : message_generators_) { |
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generator->DetermineForwardDeclarations( |
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&fwd_decls, |
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/* include_external_types = */ |
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headers_use_forward_declarations); |
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} |
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if (!fwd_decls.empty()) { |
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printer->Emit({{"decls", absl::StrJoin(fwd_decls, "\n")}}, |
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R"objc( |
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$decls$ |
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)objc"); |
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} |
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}}, |
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{"enums", |
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[&] { |
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for (const auto& generator : enum_generators_) { |
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generator->GenerateHeader(printer); |
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} |
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}}, |
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{"root_extensions", |
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[&] { |
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// The dynamic methods block is only needed if there are
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// extensions that are file level scoped (not message scoped).
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// The first file_->extension_count() of extension_generators_
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// are the file scoped ones.
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if (file_->extension_count()) { |
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printer->Emit( |
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{ |
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{"extension_methods", |
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[&] { |
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for (int i = 0; i < file_->extension_count(); i++) { |
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extension_generators_[i]->GenerateMembersHeader( |
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printer); |
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} |
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}}, |
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}, |
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R"objc( |
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@interface $root_class_name$ (DynamicMethods) |
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$extension_methods$; |
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@end |
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)objc"); |
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} // file_->extension_count()
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}}, |
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{"messages", |
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[&] { |
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for (const auto& generator : message_generators_) { |
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generator->GenerateMessageHeader(printer); |
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} |
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}}, |
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}, |
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R"objc( |
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// Generated by the protocol buffer compiler. DO NOT EDIT!
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// $clangfmt$ off
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// source: $filename$
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$runtime_imports$ |
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#if GOOGLE_PROTOBUF_OBJC_VERSION < $google_protobuf_objc_version$ |
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#error This file was generated by a newer version of protoc which is incompatible with your Protocol Buffer library sources. |
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#endif |
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#if $google_protobuf_objc_version$ < GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION |
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#error This file was generated by an older version of protoc which is incompatible with your Protocol Buffer library sources. |
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#endif |
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$file_imports$ |
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// @@protoc_insertion_point(imports)
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#pragma clang diagnostic push |
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#pragma clang diagnostic ignored "-Wdeprecated-declarations" |
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CF_EXTERN_C_BEGIN |
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$fwd_decls$; |
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NS_ASSUME_NONNULL_BEGIN |
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$enums$; |
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#pragma mark - $root_class_name$ |
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/**
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* Exposes the extension registry for this file. |
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* |
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* The base class provides: |
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* @code |
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* + (GPBExtensionRegistry *)extensionRegistry; |
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* @endcode |
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* which is a @c GPBExtensionRegistry that includes all the extensions defined by |
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* this file and all files that it depends on. |
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**/ |
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GPB_FINAL @interface $root_class_name$ : GPBRootObject |
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@end |
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$root_extensions$; |
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$messages$; |
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NS_ASSUME_NONNULL_END |
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CF_EXTERN_C_END |
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#pragma clang diagnostic pop |
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// @@protoc_insertion_point(global_scope)
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// $clangfmt$ on
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)objc"); |
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} |
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void FileGenerator::GenerateSource(io::Printer* printer) const { |
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@ -455,7 +473,7 @@ void FileGenerator::GenerateSource(io::Printer* printer) const { |
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} |
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} |
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import_writer.Emit(printer); |
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import_writer.EmitFileImports(printer); |
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} |
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bool includes_oneof = false; |
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|
@ -712,7 +730,8 @@ void FileGenerator::PrintFileRuntimePreamble( |
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|
} else { |
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|
|
ImportWriter::EmitRuntimeImports(printer, headers_to_import, |
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|
|
generation_options_.runtime_import_prefix, |
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true); |
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/* is_bundled_proto = */ false, |
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/* default_cpp_symbol = */ true); |
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} |
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printer->Print("\n"); |
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Protobuf Team Bot
2 years ago
committed by
Copybara-Service