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

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

Index: third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum.cc b/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum.cc
deleted file mode 100644
index d6f01c60ac4eefea718398640604c02c9d60736d..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum.cc
+++ /dev/null
@@ -1,198 +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.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 {
-
-EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor)
-    : descriptor_(descriptor),
-      name_(EnumName(descriptor_)) {
-  for (int i = 0; i < descriptor_->value_count(); i++) {
-    const EnumValueDescriptor* value = descriptor_->value(i);
-    const EnumValueDescriptor* canonical_value =
-        descriptor_->FindValueByNumber(value->number());
-
-    if (value == canonical_value) {
-      base_values_.push_back(value);
-    }
-    all_values_.push_back(value);
-  }
-}
-
-EnumGenerator::~EnumGenerator() {}
-
-void EnumGenerator::GenerateHeader(io::Printer* printer) {
-  string enum_comments;
-  SourceLocation location;
-  if (descriptor_->GetSourceLocation(&location)) {
-    enum_comments = BuildCommentsString(location);
-  } else {
-    enum_comments = "";
-  }
-
-  printer->Print(
-      "#pragma mark - Enum $name$\n"
-      "\n",
-      "name", name_);
-
-  printer->Print("$comments$typedef GPB_ENUM($name$) {\n",
-                 "comments", enum_comments,
-                 "name", name_);
-  printer->Indent();
-
-  if (HasPreservingUnknownEnumSemantics(descriptor_->file())) {
-    // Include the unknown value.
-    printer->Print(
-      "$name$_GPBUnrecognizedEnumeratorValue = kGPBUnrecognizedEnumeratorValue,\n",
-      "name", name_);
-  }
-
-  for (int i = 0; i < all_values_.size(); i++) {
-    SourceLocation location;
-    if (all_values_[i]->GetSourceLocation(&location)) {
-      string comments = BuildCommentsString(location).c_str();
-      if (comments.length() > 0) {
-        if (i > 0) {
-          printer->Print("\n");
-        }
-        printer->Print(comments.c_str());
-      }
-    }
-
-    printer->Print(
-        "$name$ = $value$,\n",
-        "name", EnumValueName(all_values_[i]),
-        "value", SimpleItoa(all_values_[i]->number()));
-  }
-  printer->Outdent();
-  printer->Print(
-      "};\n"
-      "\n"
-      "GPBEnumDescriptor *$name$_EnumDescriptor(void);\n"
-      "\n"
-      "BOOL $name$_IsValidValue(int32_t value);\n"
-      "\n",
-      "name", name_);
-}
-
-void EnumGenerator::GenerateSource(io::Printer* printer) {
-  printer->Print(
-      "#pragma mark - Enum $name$\n"
-      "\n",
-      "name", name_);
-
-  printer->Print(
-      "GPBEnumDescriptor *$name$_EnumDescriptor(void) {\n"
-      "  static GPBEnumDescriptor *descriptor = NULL;\n"
-      "  if (!descriptor) {\n"
-      "    static GPBMessageEnumValueDescription values[] = {\n",
-      "name", name_);
-  printer->Indent();
-  printer->Indent();
-  printer->Indent();
-
-  // Note: For the TextFormat decode info, we can't use the enum value as
-  // the key because protocol buffer enums have 'allow_alias', which lets
-  // a value be used more than once. Instead, the index into the list of
-  // enum value descriptions is used. Note: start with -1 so the first one
-  // will be zero.
-  TextFormatDecodeData text_format_decode_data;
-  int enum_value_description_key = -1;
-
-  for (int i = 0; i < all_values_.size(); i++) {
-    ++enum_value_description_key;
-    string short_name(EnumValueShortName(all_values_[i]));
-    printer->Print("{ .name = \"$short_name$\", .number = $name$ },\n",
-                   "short_name", short_name,
-                   "name", EnumValueName(all_values_[i]));
-    if (UnCamelCaseEnumShortName(short_name) != all_values_[i]->name()) {
-      text_format_decode_data.AddString(enum_value_description_key, short_name,
-                                        all_values_[i]->name());
-    }
-  }
-  printer->Outdent();
-  printer->Outdent();
-  printer->Outdent();
-  printer->Print("    };\n");
-  if (text_format_decode_data.num_entries() == 0) {
-    printer->Print(
-        "    descriptor = [GPBEnumDescriptor allocDescriptorForName:GPBNSStringifySymbol($name$)\n"
-        "                                                   values:values\n"
-        "                                               valueCount:sizeof(values) / sizeof(GPBMessageEnumValueDescription)\n"
-        "                                             enumVerifier:$name$_IsValidValue];\n",
-        "name", name_);
-    } else {
-      printer->Print(
-        "    static const char *extraTextFormatInfo = \"$extraTextFormatInfo$\";\n"
-        "    descriptor = [GPBEnumDescriptor allocDescriptorForName:GPBNSStringifySymbol($name$)\n"
-        "                                                   values:values\n"
-        "                                               valueCount:sizeof(values) / sizeof(GPBMessageEnumValueDescription)\n"
-        "                                             enumVerifier:$name$_IsValidValue\n"
-        "                                      extraTextFormatInfo:extraTextFormatInfo];\n",
-        "name", name_,
-        "extraTextFormatInfo", CEscape(text_format_decode_data.Data()));
-    }
-    printer->Print(
-      "  }\n"
-      "  return descriptor;\n"
-      "}\n\n");
-
-  printer->Print(
-      "BOOL $name$_IsValidValue(int32_t value__) {\n"
-      "  switch (value__) {\n",
-      "name", name_);
-
-  for (int i = 0; i < base_values_.size(); i++) {
-    printer->Print(
-        "    case $name$:\n",
-        "name", EnumValueName(base_values_[i]));
-  }
-
-  printer->Print(
-      "      return YES;\n"
-      "    default:\n"
-      "      return NO;\n"
-      "  }\n"
-      "}\n\n");
-}
-}  // namespace objectivec
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google