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

third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_field_base.cc

Index: third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_field_base.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_field_base.cc b/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_field_base.cc
deleted file mode 100644
index cd29bcf9c886b511b2b2e31553db9e1347c7437f..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/csharp/csharp_field_base.cc
+++ /dev/null
@@ -1,425 +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 <limits>
-#include <sstream>
-
-#include <google/protobuf/compiler/code_generator.h>
-#include <google/protobuf/compiler/plugin.h>
-#include <google/protobuf/descriptor.h>
-#include <google/protobuf/descriptor.pb.h>
-#include <google/protobuf/io/coded_stream.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/io/zero_copy_stream.h>
-#include <google/protobuf/stubs/mathlimits.h>
-#include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/wire_format.h>
-
-#include <google/protobuf/compiler/csharp/csharp_field_base.h>
-#include <google/protobuf/compiler/csharp/csharp_helpers.h>
-#include <google/protobuf/compiler/csharp/csharp_names.h>
-
-using google::protobuf::internal::scoped_ptr;
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace csharp {
-
-void FieldGeneratorBase::SetCommonFieldVariables(
-    map<string, string>* variables) {
-  // Note: this will be valid even though the tag emitted for packed and unpacked versions of
-  // repeated fields varies by wire format. The wire format is encoded in the bottom 3 bits, which
-  // never effects the tag size.
-  int tag_size = internal::WireFormat::TagSize(descriptor_->number(), descriptor_->type());
-  uint tag = internal::WireFormat::MakeTag(descriptor_);
-  uint8 tag_array[5];
-  io::CodedOutputStream::WriteTagToArray(tag, tag_array);
-  string tag_bytes = SimpleItoa(tag_array[0]);
-  for (int i = 1; i < tag_size; i++) {
-    tag_bytes += ", " + SimpleItoa(tag_array[i]);
-  }
-
-  (*variables)["access_level"] = class_access_level();
-  (*variables)["tag"] = SimpleItoa(tag);
-  (*variables)["tag_size"] = SimpleItoa(tag_size);
-  (*variables)["tag_bytes"] = tag_bytes;
-
-  (*variables)["property_name"] = property_name();
-  (*variables)["type_name"] = type_name();
-  (*variables)["name"] = name();
-  (*variables)["descriptor_name"] = descriptor_->name();
-  (*variables)["default_value"] = default_value();
-  if (has_default_value()) {
-    (*variables)["name_def_message"] =
-      (*variables)["name"] + "_ = " + (*variables)["default_value"];
-  } else {
-    (*variables)["name_def_message"] = (*variables)["name"] + "_";
-  }
-  (*variables)["capitalized_type_name"] = capitalized_type_name();
-  (*variables)["number"] = number();
-  (*variables)["has_property_check"] =
-    (*variables)["property_name"] + " != " + (*variables)["default_value"];
-  (*variables)["other_has_property_check"] = "other." +
-    (*variables)["property_name"] + " != " + (*variables)["default_value"];
-}
-
-void FieldGeneratorBase::SetCommonOneofFieldVariables(
-    map<string, string>* variables) {
-  (*variables)["oneof_name"] = oneof_name();
-  (*variables)["has_property_check"] = oneof_name() + "Case_ == " + oneof_property_name() +
-    "OneofCase." + property_name();
-  (*variables)["oneof_property_name"] = oneof_property_name();
-}
-
-FieldGeneratorBase::FieldGeneratorBase(const FieldDescriptor* descriptor,
-                                       int fieldOrdinal)
-    : SourceGeneratorBase(descriptor->file()),
-      descriptor_(descriptor),
-      fieldOrdinal_(fieldOrdinal) {
-  SetCommonFieldVariables(&variables_);
-}
-
-FieldGeneratorBase::~FieldGeneratorBase() {
-}
-
-void FieldGeneratorBase::GenerateFreezingCode(io::Printer* printer) {
-  // No-op: only message fields and repeated fields need
-  // special handling for freezing, so default to not generating any code.
-}
-
-void FieldGeneratorBase::GenerateCodecCode(io::Printer* printer) {
-    // No-op: expect this to be overridden by appropriate types.
-    // Could fail if we get called here though...
-}
-
-void FieldGeneratorBase::AddDeprecatedFlag(io::Printer* printer) {
-  if (descriptor_->options().deprecated())
-  {
-    printer->Print("[global::System.ObsoleteAttribute()]\n");
-  }
-}
-
-void FieldGeneratorBase::AddPublicMemberAttributes(io::Printer* printer) {
-  AddDeprecatedFlag(printer);
-}
-
-std::string FieldGeneratorBase::oneof_property_name() {
-  return UnderscoresToCamelCase(descriptor_->containing_oneof()->name(), true);
-}
-
-std::string FieldGeneratorBase::oneof_name() {
-  return UnderscoresToCamelCase(descriptor_->containing_oneof()->name(), false);
-}
-
-std::string FieldGeneratorBase::property_name() {
-  return GetPropertyName(descriptor_);
-}
-
-std::string FieldGeneratorBase::name() {
-  return UnderscoresToCamelCase(GetFieldName(descriptor_), false);
-}
-
-std::string FieldGeneratorBase::type_name() {
-  return type_name(descriptor_);
-}
-
-std::string FieldGeneratorBase::type_name(const FieldDescriptor* descriptor) {
-  switch (descriptor->type()) {
-    case FieldDescriptor::TYPE_ENUM:
-      return GetClassName(descriptor->enum_type());
-    case FieldDescriptor::TYPE_MESSAGE:
-    case FieldDescriptor::TYPE_GROUP:
-      if (IsWrapperType(descriptor)) {
-        const FieldDescriptor* wrapped_field = descriptor->message_type()->field(0);
-        string wrapped_field_type_name = type_name(wrapped_field);
-        // String and ByteString go to the same type; other wrapped types go to the
-        // nullable equivalent.
-        if (wrapped_field->type() == FieldDescriptor::TYPE_STRING ||
-            wrapped_field->type() == FieldDescriptor::TYPE_BYTES) {
-          return wrapped_field_type_name;
-        } else {
-          return wrapped_field_type_name + "?";
-        }
-      }
-      return GetClassName(descriptor->message_type());
-    case FieldDescriptor::TYPE_DOUBLE:
-      return "double";
-    case FieldDescriptor::TYPE_FLOAT:
-      return "float";
-    case FieldDescriptor::TYPE_INT64:
-      return "long";
-    case FieldDescriptor::TYPE_UINT64:
-      return "ulong";
-    case FieldDescriptor::TYPE_INT32:
-      return "int";
-    case FieldDescriptor::TYPE_FIXED64:
-      return "ulong";
-    case FieldDescriptor::TYPE_FIXED32:
-      return "uint";
-    case FieldDescriptor::TYPE_BOOL:
-      return "bool";
-    case FieldDescriptor::TYPE_STRING:
-      return "string";
-    case FieldDescriptor::TYPE_BYTES:
-      return "pb::ByteString";
-    case FieldDescriptor::TYPE_UINT32:
-      return "uint";
-    case FieldDescriptor::TYPE_SFIXED32:
-      return "int";
-    case FieldDescriptor::TYPE_SFIXED64:
-      return "long";
-    case FieldDescriptor::TYPE_SINT32:
-      return "int";
-    case FieldDescriptor::TYPE_SINT64:
-      return "long";
-    default:
-      GOOGLE_LOG(FATAL)<< "Unknown field type.";
-      return "";
-  }
-}
-
-bool FieldGeneratorBase::has_default_value() {
-  switch (descriptor_->type()) {
-    case FieldDescriptor::TYPE_ENUM:
-    case FieldDescriptor::TYPE_MESSAGE:
-    case FieldDescriptor::TYPE_GROUP:
-      return true;
-    case FieldDescriptor::TYPE_DOUBLE:
-      return descriptor_->default_value_double() != 0.0;
-    case FieldDescriptor::TYPE_FLOAT:
-      return descriptor_->default_value_float() != 0.0;
-    case FieldDescriptor::TYPE_INT64:
-      return descriptor_->default_value_int64() != 0L;
-    case FieldDescriptor::TYPE_UINT64:
-      return descriptor_->default_value_uint64() != 0L;
-    case FieldDescriptor::TYPE_INT32:
-      return descriptor_->default_value_int32() != 0;
-    case FieldDescriptor::TYPE_FIXED64:
-      return descriptor_->default_value_uint64() != 0L;
-    case FieldDescriptor::TYPE_FIXED32:
-      return descriptor_->default_value_uint32() != 0;
-    case FieldDescriptor::TYPE_BOOL:
-      return descriptor_->default_value_bool();
-    case FieldDescriptor::TYPE_STRING:
-      return true;
-    case FieldDescriptor::TYPE_BYTES:
-      return true;
-    case FieldDescriptor::TYPE_UINT32:
-      return descriptor_->default_value_uint32() != 0;
-    case FieldDescriptor::TYPE_SFIXED32:
-      return descriptor_->default_value_int32() != 0;
-    case FieldDescriptor::TYPE_SFIXED64:
-      return descriptor_->default_value_int64() != 0L;
-    case FieldDescriptor::TYPE_SINT32:
-      return descriptor_->default_value_int32() != 0;
-    case FieldDescriptor::TYPE_SINT64:
-      return descriptor_->default_value_int64() != 0L;
-    default:
-      GOOGLE_LOG(FATAL)<< "Unknown field type.";
-      return true;
-  }
-}
-
-bool FieldGeneratorBase::is_nullable_type() {
-  switch (descriptor_->type()) {
-    case FieldDescriptor::TYPE_ENUM:
-    case FieldDescriptor::TYPE_DOUBLE:
-    case FieldDescriptor::TYPE_FLOAT:
-    case FieldDescriptor::TYPE_INT64:
-    case FieldDescriptor::TYPE_UINT64:
-    case FieldDescriptor::TYPE_INT32:
-    case FieldDescriptor::TYPE_FIXED64:
-    case FieldDescriptor::TYPE_FIXED32:
-    case FieldDescriptor::TYPE_BOOL:
-    case FieldDescriptor::TYPE_UINT32:
-    case FieldDescriptor::TYPE_SFIXED32:
-    case FieldDescriptor::TYPE_SFIXED64:
-    case FieldDescriptor::TYPE_SINT32:
-    case FieldDescriptor::TYPE_SINT64:
-      return false;
-
-    case FieldDescriptor::TYPE_MESSAGE:
-    case FieldDescriptor::TYPE_GROUP:
-    case FieldDescriptor::TYPE_STRING:
-    case FieldDescriptor::TYPE_BYTES:
-      return true;
-
-    default:
-      GOOGLE_LOG(FATAL)<< "Unknown field type.";
-      return true;
-  }
-}
-
-bool AllPrintableAscii(const std::string& text) {
-  for(int i = 0; i < text.size(); i++) {
-    if (text[i] < 0x20 || text[i] > 0x7e) {
-      return false;
-    }
-  }
-  return true;
-}
-
-std::string FieldGeneratorBase::GetStringDefaultValueInternal() {
-  // No other default values needed for proto3...
-  return "\"\"";
-}
-
-std::string FieldGeneratorBase::GetBytesDefaultValueInternal() {
-  // No other default values needed for proto3...
-  return "pb::ByteString.Empty";
-}
-
-std::string FieldGeneratorBase::default_value() {
-    return default_value(descriptor_);
-}
-
-std::string FieldGeneratorBase::default_value(const FieldDescriptor* descriptor) {
-  switch (descriptor->type()) {
-    case FieldDescriptor::TYPE_ENUM:
-      return type_name() + "." + descriptor->default_value_enum()->name();
-    case FieldDescriptor::TYPE_MESSAGE:
-    case FieldDescriptor::TYPE_GROUP:
-      if (IsWrapperType(descriptor)) {
-        const FieldDescriptor* wrapped_field = descriptor->message_type()->field(0);
-        return default_value(wrapped_field);
-      } else {
-        return "null";
-      }
-    case FieldDescriptor::TYPE_DOUBLE: {
-      double value = descriptor->default_value_double();
-      if (value == numeric_limits<double>::infinity()) {
-        return "double.PositiveInfinity";
-      } else if (value == -numeric_limits<double>::infinity()) {
-        return "double.NegativeInfinity";
-      } else if (MathLimits<double>::IsNaN(value)) {
-        return "double.NaN";
-      }
-      return SimpleDtoa(value) + "D";
-    }
-    case FieldDescriptor::TYPE_FLOAT: {
-      float value = descriptor->default_value_float();
-      if (value == numeric_limits<float>::infinity()) {
-        return "float.PositiveInfinity";
-      } else if (value == -numeric_limits<float>::infinity()) {
-        return "float.NegativeInfinity";
-      } else if (MathLimits<float>::IsNaN(value)) {
-        return "float.NaN";
-      }
-      return SimpleFtoa(value) + "F";
-    }
-    case FieldDescriptor::TYPE_INT64:
-      return SimpleItoa(descriptor->default_value_int64()) + "L";
-    case FieldDescriptor::TYPE_UINT64:
-      return SimpleItoa(descriptor->default_value_uint64()) + "UL";
-    case FieldDescriptor::TYPE_INT32:
-      return SimpleItoa(descriptor->default_value_int32());
-    case FieldDescriptor::TYPE_FIXED64:
-      return SimpleItoa(descriptor->default_value_uint64()) + "UL";
-    case FieldDescriptor::TYPE_FIXED32:
-      return SimpleItoa(descriptor->default_value_uint32());
-    case FieldDescriptor::TYPE_BOOL:
-      if (descriptor->default_value_bool()) {
-        return "true";
-      } else {
-        return "false";
-      }
-    case FieldDescriptor::TYPE_STRING:
-      return GetStringDefaultValueInternal();
-    case FieldDescriptor::TYPE_BYTES:
-      return GetBytesDefaultValueInternal();
-    case FieldDescriptor::TYPE_UINT32:
-      return SimpleItoa(descriptor->default_value_uint32());
-    case FieldDescriptor::TYPE_SFIXED32:
-      return SimpleItoa(descriptor->default_value_int32());
-    case FieldDescriptor::TYPE_SFIXED64:
-      return SimpleItoa(descriptor->default_value_int64()) + "L";
-    case FieldDescriptor::TYPE_SINT32:
-      return SimpleItoa(descriptor->default_value_int32());
-    case FieldDescriptor::TYPE_SINT64:
-      return SimpleItoa(descriptor->default_value_int64()) + "L";
-    default:
-      GOOGLE_LOG(FATAL)<< "Unknown field type.";
-      return "";
-  }
-}
-
-std::string FieldGeneratorBase::number() {
-  return SimpleItoa(descriptor_->number());
-}
-
-std::string FieldGeneratorBase::capitalized_type_name() {
-  switch (descriptor_->type()) {
-    case FieldDescriptor::TYPE_ENUM:
-      return "Enum";
-    case FieldDescriptor::TYPE_MESSAGE:
-      return "Message";
-    case FieldDescriptor::TYPE_GROUP:
-      return "Group";
-    case FieldDescriptor::TYPE_DOUBLE:
-      return "Double";
-    case FieldDescriptor::TYPE_FLOAT:
-      return "Float";
-    case FieldDescriptor::TYPE_INT64:
-      return "Int64";
-    case FieldDescriptor::TYPE_UINT64:
-      return "UInt64";
-    case FieldDescriptor::TYPE_INT32:
-      return "Int32";
-    case FieldDescriptor::TYPE_FIXED64:
-      return "Fixed64";
-    case FieldDescriptor::TYPE_FIXED32:
-      return "Fixed32";
-    case FieldDescriptor::TYPE_BOOL:
-      return "Bool";
-    case FieldDescriptor::TYPE_STRING:
-      return "String";
-    case FieldDescriptor::TYPE_BYTES:
-      return "Bytes";
-    case FieldDescriptor::TYPE_UINT32:
-      return "UInt32";
-    case FieldDescriptor::TYPE_SFIXED32:
-      return "SFixed32";
-    case FieldDescriptor::TYPE_SFIXED64:
-      return "SFixed64";
-    case FieldDescriptor::TYPE_SINT32:
-      return "SInt32";
-    case FieldDescriptor::TYPE_SINT64:
-      return "SInt64";
-    default:
-      GOOGLE_LOG(FATAL)<< "Unknown field type.";
-      return "";
-  }
-}
-
-}  // namespace csharp
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google