diff options
Diffstat (limited to 'third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc')
| -rw-r--r-- | third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc deleted file mode 100644 index 7ad127bb3b..0000000000 --- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc +++ /dev/null @@ -1,564 +0,0 @@ -// 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. - -#include <google/protobuf/compiler/objectivec/objectivec_file.h> -#include <google/protobuf/compiler/objectivec/objectivec_enum.h> -#include <google/protobuf/compiler/objectivec/objectivec_extension.h> -#include <google/protobuf/compiler/objectivec/objectivec_message.h> -#include <google/protobuf/compiler/code_generator.h> -#include <google/protobuf/io/printer.h> -#include <google/protobuf/io/zero_copy_stream_impl.h> -#include <google/protobuf/stubs/stl_util.h> -#include <google/protobuf/stubs/strutil.h> -#include <algorithm> // std::find() -#include <iostream> -#include <sstream> - -// NOTE: src/google/protobuf/compiler/plugin.cc makes use of cerr for some -// error cases, so it seems to be ok to use as a back door for errors. - -namespace google { -namespace protobuf { -namespace compiler { -namespace objectivec { - -namespace { - -// This is also found in GPBBootstrap.h, and needs to be kept in sync. -const int32 GOOGLE_PROTOBUF_OBJC_VERSION = 30002; - -const char* kHeaderExtension = ".pbobjc.h"; - -// Checks if a message contains any extension definitions (on the message or -// a nested message under it). -bool MessageContainsExtensions(const Descriptor* message) { - if (message->extension_count() > 0) { - return true; - } - for (int i = 0; i < message->nested_type_count(); i++) { - if (MessageContainsExtensions(message->nested_type(i))) { - return true; - } - } - return false; -} - -// Checks if the file contains any extensions definitions (at the root or -// nested under a message). -bool FileContainsExtensions(const FileDescriptor* file) { - if (file->extension_count() > 0) { - return true; - } - for (int i = 0; i < file->message_type_count(); i++) { - if (MessageContainsExtensions(file->message_type(i))) { - return true; - } - } - return false; -} - -// Helper for CollectMinimalFileDepsContainingExtensionsWorker that marks all -// deps as visited and prunes them from the needed files list. -void PruneFileAndDepsMarkingAsVisited( - const FileDescriptor* file, - vector<const FileDescriptor*>* files, - set<const FileDescriptor*>* files_visited) { - vector<const FileDescriptor*>::iterator iter = - std::find(files->begin(), files->end(), file); - if (iter != files->end()) { - files->erase(iter); - } - files_visited->insert(file); - for (int i = 0; i < file->dependency_count(); i++) { - PruneFileAndDepsMarkingAsVisited(file->dependency(i), files, files_visited); - } -} - -// Helper for CollectMinimalFileDepsContainingExtensions. -void CollectMinimalFileDepsContainingExtensionsWorker( - const FileDescriptor* file, - vector<const FileDescriptor*>* files, - set<const FileDescriptor*>* files_visited) { - if (files_visited->find(file) != files_visited->end()) { - return; - } - files_visited->insert(file); - - if (FileContainsExtensions(file)) { - files->push_back(file); - for (int i = 0; i < file->dependency_count(); i++) { - const FileDescriptor* dep = file->dependency(i); - PruneFileAndDepsMarkingAsVisited(dep, files, files_visited); - } - } else { - for (int i = 0; i < file->dependency_count(); i++) { - const FileDescriptor* dep = file->dependency(i); - CollectMinimalFileDepsContainingExtensionsWorker(dep, files, - files_visited); - } - } -} - -// Collect the deps of the given file that contain extensions. This can be used to -// create the chain of roots that need to be wired together. -// -// NOTE: If any changes are made to this and the supporting functions, you will -// need to manually validate what the generated code is for the test files: -// objectivec/Tests/unittest_extension_chain_*.proto -// There are comments about what the expected code should be line and limited -// testing objectivec/Tests/GPBUnittestProtos2.m around compilation (#imports -// specifically). -void CollectMinimalFileDepsContainingExtensions( - const FileDescriptor* file, - vector<const FileDescriptor*>* files) { - set<const FileDescriptor*> files_visited; - for (int i = 0; i < file->dependency_count(); i++) { - const FileDescriptor* dep = file->dependency(i); - CollectMinimalFileDepsContainingExtensionsWorker(dep, files, - &files_visited); - } -} - -bool IsDirectDependency(const FileDescriptor* dep, const FileDescriptor* file) { - for (int i = 0; i < file->dependency_count(); i++) { - if (dep == file->dependency(i)) { - return true; - } - } - return false; -} - -} // namespace - -FileGenerator::FileGenerator(const FileDescriptor *file, const Options& options) - : file_(file), - root_class_name_(FileClassName(file)), - options_(options) { - for (int i = 0; i < file_->enum_type_count(); i++) { - EnumGenerator *generator = new EnumGenerator(file_->enum_type(i)); - enum_generators_.push_back(generator); - } - for (int i = 0; i < file_->message_type_count(); i++) { - MessageGenerator *generator = - new MessageGenerator(root_class_name_, file_->message_type(i), options_); - message_generators_.push_back(generator); - } - for (int i = 0; i < file_->extension_count(); i++) { - ExtensionGenerator *generator = - new ExtensionGenerator(root_class_name_, file_->extension(i)); - extension_generators_.push_back(generator); - } -} - -FileGenerator::~FileGenerator() { - STLDeleteContainerPointers(enum_generators_.begin(), enum_generators_.end()); - STLDeleteContainerPointers(message_generators_.begin(), - message_generators_.end()); - STLDeleteContainerPointers(extension_generators_.begin(), - extension_generators_.end()); -} - -void FileGenerator::GenerateHeader(io::Printer *printer) { - PrintFileRuntimePreamble(printer, "GPBProtocolBuffers.h"); - - // Add some verification that the generated code matches the source the - // code is being compiled with. - // NOTE: This captures the raw numeric values at the time the generator was - // compiled, since that will be the versions for the ObjC runtime at that - // time. The constants in the generated code will then get their values at - // at compile time (so checking against the headers being used to compile). - printer->Print( - "#if GOOGLE_PROTOBUF_OBJC_VERSION < $google_protobuf_objc_version$\n" - "#error This file was generated by a newer version of protoc which is incompatible with your Protocol Buffer library sources.\n" - "#endif\n" - "#if $google_protobuf_objc_version$ < GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION\n" - "#error This file was generated by an older version of protoc which is incompatible with your Protocol Buffer library sources.\n" - "#endif\n" - "\n", - "google_protobuf_objc_version", SimpleItoa(GOOGLE_PROTOBUF_OBJC_VERSION)); - - // #import any headers for "public imports" in the proto file. - { - ImportWriter import_writer( - options_.generate_for_named_framework, - options_.named_framework_to_proto_path_mappings_path); - const string header_extension(kHeaderExtension); - for (int i = 0; i < file_->public_dependency_count(); i++) { - import_writer.AddFile(file_->public_dependency(i), header_extension); - } - import_writer.Print(printer); - } - - // Note: - // deprecated-declarations suppression is only needed if some place in this - // proto file is something deprecated or if it references something from - // another file that is deprecated. - printer->Print( - "// @@protoc_insertion_point(imports)\n" - "\n" - "#pragma clang diagnostic push\n" - "#pragma clang diagnostic ignored \"-Wdeprecated-declarations\"\n" - "\n" - "CF_EXTERN_C_BEGIN\n" - "\n"); - - set<string> fwd_decls; - for (vector<MessageGenerator *>::iterator iter = message_generators_.begin(); - iter != message_generators_.end(); ++iter) { - (*iter)->DetermineForwardDeclarations(&fwd_decls); - } - for (set<string>::const_iterator i(fwd_decls.begin()); - i != fwd_decls.end(); ++i) { - printer->Print("$value$;\n", "value", *i); - } - if (fwd_decls.begin() != fwd_decls.end()) { - printer->Print("\n"); - } - - printer->Print( - "NS_ASSUME_NONNULL_BEGIN\n" - "\n"); - - // need to write out all enums first - for (vector<EnumGenerator *>::iterator iter = enum_generators_.begin(); - iter != enum_generators_.end(); ++iter) { - (*iter)->GenerateHeader(printer); - } - - for (vector<MessageGenerator *>::iterator iter = message_generators_.begin(); - iter != message_generators_.end(); ++iter) { - (*iter)->GenerateEnumHeader(printer); - } - - // For extensions to chain together, the Root gets created even if there - // are no extensions. - printer->Print( - "#pragma mark - $root_class_name$\n" - "\n" - "/**\n" - " * Exposes the extension registry for this file.\n" - " *\n" - " * The base class provides:\n" - " * @code\n" - " * + (GPBExtensionRegistry *)extensionRegistry;\n" - " * @endcode\n" - " * which is a @c GPBExtensionRegistry that includes all the extensions defined by\n" - " * this file and all files that it depends on.\n" - " **/\n" - "@interface $root_class_name$ : GPBRootObject\n" - "@end\n" - "\n", - "root_class_name", root_class_name_); - - if (extension_generators_.size() > 0) { - // The dynamic methods block is only needed if there are extensions. - printer->Print( - "@interface $root_class_name$ (DynamicMethods)\n", - "root_class_name", root_class_name_); - - for (vector<ExtensionGenerator *>::iterator iter = - extension_generators_.begin(); - iter != extension_generators_.end(); ++iter) { - (*iter)->GenerateMembersHeader(printer); - } - - printer->Print("@end\n\n"); - } // extension_generators_.size() > 0 - - for (vector<MessageGenerator *>::iterator iter = message_generators_.begin(); - iter != message_generators_.end(); ++iter) { - (*iter)->GenerateMessageHeader(printer); - } - - printer->Print( - "NS_ASSUME_NONNULL_END\n" - "\n" - "CF_EXTERN_C_END\n" - "\n" - "#pragma clang diagnostic pop\n" - "\n" - "// @@protoc_insertion_point(global_scope)\n"); -} - -void FileGenerator::GenerateSource(io::Printer *printer) { - // #import the runtime support. - PrintFileRuntimePreamble(printer, "GPBProtocolBuffers_RuntimeSupport.h"); - - vector<const FileDescriptor*> deps_with_extensions; - CollectMinimalFileDepsContainingExtensions(file_, &deps_with_extensions); - - { - ImportWriter import_writer( - options_.generate_for_named_framework, - options_.named_framework_to_proto_path_mappings_path); - const string header_extension(kHeaderExtension); - - // #import the header for this proto file. - import_writer.AddFile(file_, header_extension); - - // #import the headers for anything that a plain dependency of this proto - // file (that means they were just an include, not a "public" include). - set<string> public_import_names; - for (int i = 0; i < file_->public_dependency_count(); i++) { - public_import_names.insert(file_->public_dependency(i)->name()); - } - for (int i = 0; i < file_->dependency_count(); i++) { - const FileDescriptor *dep = file_->dependency(i); - bool public_import = (public_import_names.count(dep->name()) != 0); - if (!public_import) { - import_writer.AddFile(dep, header_extension); - } - } - - // If any indirect dependency provided extensions, it needs to be directly - // imported so it can get merged into the root's extensions registry. - // See the Note by CollectMinimalFileDepsContainingExtensions before - // changing this. - for (vector<const FileDescriptor *>::iterator iter = - deps_with_extensions.begin(); - iter != deps_with_extensions.end(); ++iter) { - if (!IsDirectDependency(*iter, file_)) { - import_writer.AddFile(*iter, header_extension); - } - } - - import_writer.Print(printer); - } - - bool includes_oneof = false; - for (vector<MessageGenerator *>::iterator iter = message_generators_.begin(); - iter != message_generators_.end(); ++iter) { - if ((*iter)->IncludesOneOfDefinition()) { - includes_oneof = true; - break; - } - } - - // Note: - // deprecated-declarations suppression is only needed if some place in this - // proto file is something deprecated or if it references something from - // another file that is deprecated. - printer->Print( - "// @@protoc_insertion_point(imports)\n" - "\n" - "#pragma clang diagnostic push\n" - "#pragma clang diagnostic ignored \"-Wdeprecated-declarations\"\n"); - if (includes_oneof) { - // The generated code for oneof's uses direct ivar access, suppress the - // warning incase developer turn that on in the context they compile the - // generated code. - printer->Print( - "#pragma clang diagnostic ignored \"-Wdirect-ivar-access\"\n"); - } - - printer->Print( - "\n" - "#pragma mark - $root_class_name$\n" - "\n" - "@implementation $root_class_name$\n\n", - "root_class_name", root_class_name_); - - const bool file_contains_extensions = FileContainsExtensions(file_); - - // If there were any extensions or this file has any dependencies, output - // a registry to override to create the file specific registry. - if (file_contains_extensions || !deps_with_extensions.empty()) { - printer->Print( - "+ (GPBExtensionRegistry*)extensionRegistry {\n" - " // This is called by +initialize so there is no need to worry\n" - " // about thread safety and initialization of registry.\n" - " static GPBExtensionRegistry* registry = nil;\n" - " if (!registry) {\n" - " GPB_DEBUG_CHECK_RUNTIME_VERSIONS();\n" - " registry = [[GPBExtensionRegistry alloc] init];\n"); - - printer->Indent(); - printer->Indent(); - - if (file_contains_extensions) { - printer->Print( - "static GPBExtensionDescription descriptions[] = {\n"); - printer->Indent(); - for (vector<ExtensionGenerator *>::iterator iter = - extension_generators_.begin(); - iter != extension_generators_.end(); ++iter) { - (*iter)->GenerateStaticVariablesInitialization(printer); - } - for (vector<MessageGenerator *>::iterator iter = - message_generators_.begin(); - iter != message_generators_.end(); ++iter) { - (*iter)->GenerateStaticVariablesInitialization(printer); - } - printer->Outdent(); - printer->Print( - "};\n" - "for (size_t i = 0; i < sizeof(descriptions) / sizeof(descriptions[0]); ++i) {\n" - " GPBExtensionDescriptor *extension =\n" - " [[GPBExtensionDescriptor alloc] initWithExtensionDescription:&descriptions[i]];\n" - " [registry addExtension:extension];\n" - " [self globallyRegisterExtension:extension];\n" - " [extension release];\n" - "}\n"); - } - - if (deps_with_extensions.empty()) { - printer->Print( - "// None of the imports (direct or indirect) defined extensions, so no need to add\n" - "// them to this registry.\n"); - } else { - printer->Print( - "// Merge in the imports (direct or indirect) that defined extensions.\n"); - for (vector<const FileDescriptor *>::iterator iter = - deps_with_extensions.begin(); - iter != deps_with_extensions.end(); ++iter) { - const string root_class_name(FileClassName((*iter))); - printer->Print( - "[registry addExtensions:[$dependency$ extensionRegistry]];\n", - "dependency", root_class_name); - } - } - - printer->Outdent(); - printer->Outdent(); - - printer->Print( - " }\n" - " return registry;\n" - "}\n"); - } else { - if (file_->dependency_count() > 0) { - printer->Print( - "// No extensions in the file and none of the imports (direct or indirect)\n" - "// defined extensions, so no need to generate +extensionRegistry.\n"); - } else { - printer->Print( - "// No extensions in the file and no imports, so no need to generate\n" - "// +extensionRegistry.\n"); - } - } - - printer->Print("\n@end\n\n"); - - // File descriptor only needed if there are messages to use it. - if (message_generators_.size() > 0) { - map<string, string> vars; - vars["root_class_name"] = root_class_name_; - vars["package"] = file_->package(); - vars["objc_prefix"] = FileClassPrefix(file_); - switch (file_->syntax()) { - case FileDescriptor::SYNTAX_UNKNOWN: - vars["syntax"] = "GPBFileSyntaxUnknown"; - break; - case FileDescriptor::SYNTAX_PROTO2: - vars["syntax"] = "GPBFileSyntaxProto2"; - break; - case FileDescriptor::SYNTAX_PROTO3: - vars["syntax"] = "GPBFileSyntaxProto3"; - break; - } - printer->Print(vars, - "#pragma mark - $root_class_name$_FileDescriptor\n" - "\n" - "static GPBFileDescriptor *$root_class_name$_FileDescriptor(void) {\n" - " // This is called by +initialize so there is no need to worry\n" - " // about thread safety of the singleton.\n" - " static GPBFileDescriptor *descriptor = NULL;\n" - " if (!descriptor) {\n" - " GPB_DEBUG_CHECK_RUNTIME_VERSIONS();\n"); - if (vars["objc_prefix"].size() > 0) { - printer->Print( - vars, - " descriptor = [[GPBFileDescriptor alloc] initWithPackage:@\"$package$\"\n" - " objcPrefix:@\"$objc_prefix$\"\n" - " syntax:$syntax$];\n"); - } else { - printer->Print( - vars, - " descriptor = [[GPBFileDescriptor alloc] initWithPackage:@\"$package$\"\n" - " syntax:$syntax$];\n"); - } - printer->Print( - " }\n" - " return descriptor;\n" - "}\n" - "\n"); - } - - for (vector<EnumGenerator *>::iterator iter = enum_generators_.begin(); - iter != enum_generators_.end(); ++iter) { - (*iter)->GenerateSource(printer); - } - for (vector<MessageGenerator *>::iterator iter = message_generators_.begin(); - iter != message_generators_.end(); ++iter) { - (*iter)->GenerateSource(printer); - } - - printer->Print( - "\n" - "#pragma clang diagnostic pop\n" - "\n" - "// @@protoc_insertion_point(global_scope)\n"); -} - -// Helper to print the import of the runtime support at the top of generated -// files. This currently only supports the runtime coming from a framework -// as defined by the official CocoaPod. -void FileGenerator::PrintFileRuntimePreamble( - io::Printer* printer, const string& header_to_import) const { - printer->Print( - "// Generated by the protocol buffer compiler. DO NOT EDIT!\n" - "// source: $filename$\n" - "\n", - "filename", file_->name()); - - const string framework_name(ProtobufLibraryFrameworkName); - const string cpp_symbol(ProtobufFrameworkImportSymbol(framework_name)); - printer->Print( - "// This CPP symbol can be defined to use imports that match up to the framework\n" - "// imports needed when using CocoaPods.\n" - "#if !defined($cpp_symbol$)\n" - " #define $cpp_symbol$ 0\n" - "#endif\n" - "\n" - "#if $cpp_symbol$\n" - " #import <$framework_name$/$header$>\n" - "#else\n" - " #import \"$header$\"\n" - "#endif\n" - "\n", - "cpp_symbol", cpp_symbol, - "header", header_to_import, - "framework_name", framework_name); -} - -} // namespace objectivec -} // namespace compiler -} // namespace protobuf -} // namespace google |