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

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

Index: third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc
deleted file mode 100644
index 30a13ddb9032677a5a522720bf6e2b295216ba2c..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc
+++ /dev/null
@@ -1,144 +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_enum_field.h>
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace objectivec {
-
-namespace {
-void SetEnumVariables(const FieldDescriptor* descriptor,
-                      map<string, string>* variables) {
-  string type = EnumName(descriptor->enum_type());
-  (*variables)["storage_type"] = type;
-  // For non repeated fields, if it was defined in a different file, the
-  // property decls need to use "enum NAME" rather than just "NAME" to support
-  // the forward declaration of the enums.
-  if (!descriptor->is_repeated() &&
-      (descriptor->file() != descriptor->enum_type()->file())) {
-    (*variables)["property_type"] = "enum " + type;
-  }
-  (*variables)["enum_verifier"] = type + "_IsValidValue";
-  (*variables)["enum_desc_func"] = type + "_EnumDescriptor";
-
-  const Descriptor* msg_descriptor = descriptor->containing_type();
-  (*variables)["owning_message_class"] = ClassName(msg_descriptor);
-}
-}  // namespace
-
-EnumFieldGenerator::EnumFieldGenerator(const FieldDescriptor* descriptor)
-    : SingleFieldGenerator(descriptor) {
-  SetEnumVariables(descriptor, &variables_);
-}
-
-EnumFieldGenerator::~EnumFieldGenerator() {}
-
-void EnumFieldGenerator::GenerateFieldDescriptionTypeSpecific(
-    io::Printer* printer) const {
-  printer->Print(
-      variables_,
-      "  .dataTypeSpecific.enumDescFunc = $enum_desc_func$,\n");
-}
-
-void EnumFieldGenerator::GenerateCFunctionDeclarations(
-    io::Printer* printer) const {
-  if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) {
-    return;
-  }
-
-  printer->Print(
-      variables_,
-      "int32_t $owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message);\n"
-      "void Set$owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message, int32_t value);\n"
-      "\n");
-}
-
-void EnumFieldGenerator::GenerateCFunctionImplementations(
-    io::Printer* printer) const {
-  if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) return;
-
-  printer->Print(
-      variables_,
-      "int32_t $owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message) {\n"
-      "  GPBDescriptor *descriptor = [$owning_message_class$ descriptor];\n"
-      "  GPBFieldDescriptor *field = [descriptor fieldWithNumber:$field_number_name$];\n"
-      "  return GPBGetMessageInt32Field(message, field);\n"
-      "}\n"
-      "\n"
-      "void Set$owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message, int32_t value) {\n"
-      "  GPBDescriptor *descriptor = [$owning_message_class$ descriptor];\n"
-      "  GPBFieldDescriptor *field = [descriptor fieldWithNumber:$field_number_name$];\n"
-      "  GPBSetInt32IvarWithFieldInternal(message, field, value, descriptor.file.syntax);\n"
-      "}\n"
-      "\n");
-}
-
-void EnumFieldGenerator::DetermineForwardDeclarations(
-    set<string>* fwd_decls) const {
-  // If it is an enum defined in a different file, then we'll need a forward
-  // declaration for it.  When it is in our file, all the enums are output
-  // before the message, so it will be declared before it is needed.
-  if (descriptor_->file() != descriptor_->enum_type()->file()) {
-    // Enum name is already in "storage_type".
-    const string& name = variable("storage_type");
-    fwd_decls->insert("GPB_ENUM_FWD_DECLARE(" + name + ")");
-  }
-}
-
-RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator(
-    const FieldDescriptor* descriptor)
-    : RepeatedFieldGenerator(descriptor) {
-  SetEnumVariables(descriptor, &variables_);
-  variables_["array_storage_type"] = "GPBEnumArray";
-}
-
-RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {}
-
-void RepeatedEnumFieldGenerator::GenerateFieldDescriptionTypeSpecific(
-    io::Printer* printer) const {
-  printer->Print(
-      variables_,
-      "  .dataTypeSpecific.enumDescFunc = $enum_desc_func$,\n");
-}
-
-}  // namespace objectivec
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google