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

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

Index: third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
deleted file mode 100644
index 3cb874828e991295b26b8d2e16e34eb8079d647b..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
+++ /dev/null
@@ -1,138 +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 <map>
-#include <string>
-
-#include <google/protobuf/compiler/objectivec/objectivec_oneof.h>
-#include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace objectivec {
-
-OneofGenerator::OneofGenerator(const OneofDescriptor* descriptor)
-    : descriptor_(descriptor) {
-  variables_["enum_name"] = OneofEnumName(descriptor_);
-  variables_["name"] = OneofName(descriptor_);
-  variables_["capitalized_name"] = OneofNameCapitalized(descriptor_);
-  variables_["raw_index"] = SimpleItoa(descriptor_->index());
-  const Descriptor* msg_descriptor = descriptor_->containing_type();
-  variables_["owning_message_class"] = ClassName(msg_descriptor);
-
-  string comments;
-  SourceLocation location;
-  if (descriptor_->GetSourceLocation(&location)) {
-    comments = BuildCommentsString(location);
-  } else {
-    comments = "";
-  }
-  variables_["comments"] = comments;
-}
-
-OneofGenerator::~OneofGenerator() {}
-
-void OneofGenerator::SetOneofIndexBase(int index_base) {
-  int index = descriptor_->index() + index_base;
-  // Flip the sign to mark it as a oneof.
-  variables_["index"] = SimpleItoa(-index);
-}
-
-void OneofGenerator::GenerateCaseEnum(io::Printer* printer) {
-  printer->Print(
-      variables_,
-      "typedef GPB_ENUM($enum_name$) {\n");
-  printer->Indent();
-  printer->Print(
-      variables_,
-      "$enum_name$_GPBUnsetOneOfCase = 0,\n");
-  string enum_name = variables_["enum_name"];
-  for (int j = 0; j < descriptor_->field_count(); j++) {
-    const FieldDescriptor* field = descriptor_->field(j);
-    string field_name = FieldNameCapitalized(field);
-    printer->Print(
-        "$enum_name$_$field_name$ = $field_number$,\n",
-        "enum_name", enum_name,
-        "field_name", field_name,
-        "field_number", SimpleItoa(field->number()));
-  }
-  printer->Outdent();
-  printer->Print(
-      "};\n"
-      "\n");
-}
-
-void OneofGenerator::GeneratePublicCasePropertyDeclaration(
-    io::Printer* printer) {
-  printer->Print(
-      variables_,
-      "$comments$"
-      "@property(nonatomic, readonly) $enum_name$ $name$OneOfCase;\n"
-      "\n");
-}
-
-void OneofGenerator::GenerateClearFunctionDeclaration(io::Printer* printer) {
-  printer->Print(
-      variables_,
-      "void $owning_message_class$_Clear$capitalized_name$OneOfCase($owning_message_class$ *message);\n");
-}
-
-void OneofGenerator::GeneratePropertyImplementation(io::Printer* printer) {
-  printer->Print(
-      variables_,
-      "@dynamic $name$OneOfCase;\n");
-}
-
-void OneofGenerator::GenerateClearFunctionImplementation(io::Printer* printer) {
-  printer->Print(
-      variables_,
-      "void $owning_message_class$_Clear$capitalized_name$OneOfCase($owning_message_class$ *message) {\n"
-      "  GPBDescriptor *descriptor = [message descriptor];\n"
-      "  GPBOneofDescriptor *oneof = descriptor->oneofs_[$raw_index$];\n"
-      "  GPBMaybeClearOneof(message, oneof, 0);\n"
-      "}\n");
-}
-
-void OneofGenerator::GenerateDescription(io::Printer* printer) {
-  printer->Print(
-      variables_,
-      "{\n"
-      "  .name = \"$name$\",\n"
-      "  .index = $index$,\n"
-      "},\n");
-}
-
-}  // namespace objectivec
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google