Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc

Index: third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc
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 e60ae5a6ee4ab6c70008ed836444016cd656cb7b..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc
+++ /dev/null
@@ -1,371 +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 <sstream>
-
-namespace google {
-namespace protobuf {
-
-// This is also found in GPBBootstrap.h, and needs to be kept in sync.  It
-// is the version check done to ensure generated code works with the current
-// runtime being used.
-const int32 GOOGLE_PROTOBUF_OBJC_GEN_VERSION = 30000;
-
-namespace compiler {
-namespace objectivec {
-
-FileGenerator::FileGenerator(const FileDescriptor *file)
-    : file_(file),
-      root_class_name_(FileClassName(file)),
-      is_public_dep_(false) {
-  // Validate the objc prefix.
-  ValidateObjCClassPrefix(file_);
-
-  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));
-    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(dependency_generators_.begin(),
-                             dependency_generators_.end());
-  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) {
-  printer->Print(
-      "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
-      "// source: $filename$\n"
-      "\n",
-      "filename", file_->name());
-
-  printer->Print(
-      "#import \"GPBProtocolBuffers.h\"\n"
-      "\n");
-
-  // Add some verification that the generated code matches the source the
-  // code is being compiled with.
-  printer->Print(
-      "#if GOOGLE_PROTOBUF_OBJC_GEN_VERSION != $protoc_gen_objc_version$\n"
-      "#error This file was generated by a different version of protoc-gen-objc which is incompatible with your Protocol Buffer sources.\n"
-      "#endif\n"
-      "\n",
-      "protoc_gen_objc_version",
-      SimpleItoa(GOOGLE_PROTOBUF_OBJC_GEN_VERSION));
-
-  const vector<FileGenerator *> &dependency_generators = DependencyGenerators();
-  for (vector<FileGenerator *>::const_iterator iter =
-           dependency_generators.begin();
-       iter != dependency_generators.end(); ++iter) {
-    if ((*iter)->IsPublicDependency()) {
-      printer->Print("#import \"$header$.pbobjc.h\"\n",
-                     "header", (*iter)->Path());
-    }
-  }
-
-  printer->Print(
-      "// @@protoc_insertion_point(imports)\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"
-      "@interface $root_class_name$ : GPBRootObject\n"
-      "\n"
-      "// The base class provides:\n"
-      "//   + (GPBExtensionRegistry *)extensionRegistry;\n"
-      "// which is an GPBExtensionRegistry that includes all the extensions defined by\n"
-      "// this file and all files that it depends on.\n"
-      "\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"
-      "// @@protoc_insertion_point(global_scope)\n");
-}
-
-void FileGenerator::GenerateSource(io::Printer *printer) {
-  printer->Print(
-      "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
-      "// source: $filename$\n"
-      "\n",
-      "filename", file_->name());
-
-  string header_file = Path() + ".pbobjc.h";
-  printer->Print(
-      "#import \"GPBProtocolBuffers_RuntimeSupport.h\"\n"
-      "#import \"$header_file$\"\n",
-      "header_file", header_file);
-  const vector<FileGenerator *> &dependency_generators =
-      DependencyGenerators();
-  for (vector<FileGenerator *>::const_iterator iter =
-           dependency_generators.begin();
-       iter != dependency_generators.end(); ++iter) {
-    if (!(*iter)->IsPublicDependency()) {
-      printer->Print("#import \"$header$.pbobjc.h\"\n",
-                     "header", (*iter)->Path());
-    }
-  }
-  printer->Print(
-      "// @@protoc_insertion_point(imports)\n"
-      "\n");
-
-  printer->Print(
-      "#pragma mark - $root_class_name$\n"
-      "\n"
-      "@implementation $root_class_name$\n\n",
-      "root_class_name", root_class_name_);
-
-  // Generate the extension initialization structures for the top level and
-  // any nested messages.
-  ostringstream extensions_stringstream;
-  if (file_->extension_count() + file_->message_type_count() > 0) {
-    io::OstreamOutputStream extensions_outputstream(&extensions_stringstream);
-    io::Printer extensions_printer(&extensions_outputstream, '$');
-    for (vector<ExtensionGenerator *>::iterator iter =
-             extension_generators_.begin();
-         iter != extension_generators_.end(); ++iter) {
-      (*iter)->GenerateStaticVariablesInitialization(&extensions_printer);
-    }
-    for (vector<MessageGenerator *>::iterator iter =
-             message_generators_.begin();
-         iter != message_generators_.end(); ++iter) {
-      (*iter)->GenerateStaticVariablesInitialization(&extensions_printer);
-    }
-    extensions_stringstream.flush();
-  }
-
-  // If there were any extensions or this file has any dependencies, output
-  // a registry to override to create the file specific registry.
-  const string& extensions_str = extensions_stringstream.str();
-  if (extensions_str.length() > 0 || file_->dependency_count() > 0) {
-    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"
-        "    GPBDebugCheckRuntimeVersion();\n"
-        "    registry = [[GPBExtensionRegistry alloc] init];\n");
-
-    printer->Indent();
-    printer->Indent();
-
-    if (extensions_str.length() > 0) {
-      printer->Print(
-          "static GPBExtensionDescription descriptions[] = {\n");
-      printer->Indent();
-      printer->Print(extensions_str.c_str());
-      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");
-    }
-
-    const vector<FileGenerator *> &dependency_generators =
-        DependencyGenerators();
-    for (vector<FileGenerator *>::const_iterator iter =
-             dependency_generators.begin();
-         iter != dependency_generators.end(); ++iter) {
-      printer->Print(
-          "[registry addExtensions:[$dependency$ extensionRegistry]];\n",
-          "dependency", (*iter)->RootClassName());
-    }
-
-    printer->Outdent();
-    printer->Outdent();
-
-    printer->Print(
-        "  }\n"
-        "  return registry;\n"
-        "}\n"
-        "\n");
-  }
-
-  printer->Print("@end\n\n");
-
-  // File descriptor only needed if there are messages to use it.
-  if (message_generators_.size() > 0) {
-    string syntax;
-    switch (file_->syntax()) {
-      case FileDescriptor::SYNTAX_UNKNOWN:
-        syntax = "GPBFileSyntaxUnknown";
-        break;
-      case FileDescriptor::SYNTAX_PROTO2:
-        syntax = "GPBFileSyntaxProto2";
-        break;
-      case FileDescriptor::SYNTAX_PROTO3:
-        syntax = "GPBFileSyntaxProto3";
-        break;
-    }
-    printer->Print(
-        "#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"
-        "    GPBDebugCheckRuntimeVersion();\n"
-        "    descriptor = [[GPBFileDescriptor alloc] initWithPackage:@\"$package$\"\n"
-        "                                                     syntax:$syntax$];\n"
-        "  }\n"
-        "  return descriptor;\n"
-        "}\n"
-        "\n",
-        "root_class_name", root_class_name_,
-        "package", file_->package(),
-        "syntax", syntax);
-  }
-
-  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"
-    "// @@protoc_insertion_point(global_scope)\n");
-}
-
-const string FileGenerator::Path() const { return FilePath(file_); }
-
-const vector<FileGenerator *> &FileGenerator::DependencyGenerators() {
-  if (file_->dependency_count() != dependency_generators_.size()) {
-    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++) {
-      FileGenerator *generator = new FileGenerator(file_->dependency(i));
-      const string& name = file_->dependency(i)->name();
-      bool public_import = (public_import_names.count(name) != 0);
-      generator->SetIsPublicDependency(public_import);
-      dependency_generators_.push_back(generator);
-    }
-  }
-  return dependency_generators_;
-}
-
-}  // namespace objectivec
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google