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

third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_file.cc

Index: third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_file.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_file.cc b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_file.cc
deleted file mode 100644
index 3676ab9d19655903db2319053e52d8efb4745e3c..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_file.cc
+++ /dev/null
@@ -1,263 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// 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.
-
-// Author: kenton@google.com (Kenton Varda)
-//  Based on original Protocol Buffers design by
-//  Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <iostream>
-
-#include <google/protobuf/compiler/javanano/javanano_file.h>
-#include <google/protobuf/compiler/javanano/javanano_enum.h>
-#include <google/protobuf/compiler/javanano/javanano_extension.h>
-#include <google/protobuf/compiler/javanano/javanano_helpers.h>
-#include <google/protobuf/compiler/javanano/javanano_message.h>
-#include <google/protobuf/compiler/code_generator.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/io/zero_copy_stream.h>
-#include <google/protobuf/descriptor.pb.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace javanano {
-
-namespace {
-
-// Recursively searches the given message to see if it contains any extensions.
-bool UsesExtensions(const Message& message) {
-  const Reflection* reflection = message.GetReflection();
-
-  // We conservatively assume that unknown fields are extensions.
-  if (reflection->GetUnknownFields(message).field_count() > 0) return true;
-
-  vector<const FieldDescriptor*> fields;
-  reflection->ListFields(message, &fields);
-
-  for (int i = 0; i < fields.size(); i++) {
-    if (fields[i]->is_extension()) return true;
-
-    if (fields[i]->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
-      if (fields[i]->is_repeated()) {
-        int size = reflection->FieldSize(message, fields[i]);
-        for (int j = 0; j < size; j++) {
-          const Message& sub_message =
-            reflection->GetRepeatedMessage(message, fields[i], j);
-          if (UsesExtensions(sub_message)) return true;
-        }
-      } else {
-        const Message& sub_message = reflection->GetMessage(message, fields[i]);
-        if (UsesExtensions(sub_message)) return true;
-      }
-    }
-  }
-
-  return false;
-}
-
-}  // namespace
-
-FileGenerator::FileGenerator(const FileDescriptor* file, const Params& params)
-  : file_(file),
-    params_(params),
-    java_package_(FileJavaPackage(params, file)),
-    classname_(FileClassName(params, file)) {}
-
-FileGenerator::~FileGenerator() {}
-
-bool FileGenerator::Validate(string* error) {
-  // Check for extensions
-  FileDescriptorProto file_proto;
-  file_->CopyTo(&file_proto);
-  if (UsesExtensions(file_proto) && !params_.store_unknown_fields()) {
-    error->assign(file_->name());
-    error->append(
-        ": Java NANO_RUNTIME only supports extensions when the "
-        "'store_unknown_fields' generator option is 'true'.");
-    return false;
-  }
-
-  if (file_->service_count() != 0 && !params_.ignore_services()) {
-    error->assign(file_->name());
-    error->append(
-      ": Java NANO_RUNTIME does not support services\"");
-    return false;
-  }
-
-  if (!IsOuterClassNeeded(params_, file_)) {
-    return true;
-  }
-
-  // Check whether legacy javanano generator would omit the outer class.
-  if (!params_.has_java_outer_classname(file_->name())
-      && file_->message_type_count() == 1
-      && file_->enum_type_count() == 0 && file_->extension_count() == 0) {
-    cout << "INFO: " << file_->name() << ":" << endl;
-    cout << "Javanano generator has changed to align with java generator. "
-        "An outer class will be created for this file and the single message "
-        "in the file will become a nested class. Use java_multiple_files to "
-        "skip generating the outer class, or set an explicit "
-        "java_outer_classname to suppress this message." << endl;
-  }
-
-  // Check that no class name matches the file's class name.  This is a common
-  // problem that leads to Java compile errors that can be hard to understand.
-  // It's especially bad when using the java_multiple_files, since we would
-  // end up overwriting the outer class with one of the inner ones.
-  bool found_conflict = false;
-  for (int i = 0; !found_conflict && i < file_->message_type_count(); i++) {
-    if (file_->message_type(i)->name() == classname_) {
-      found_conflict = true;
-    }
-  }
-  if (params_.java_enum_style()) {
-    for (int i = 0; !found_conflict && i < file_->enum_type_count(); i++) {
-      if (file_->enum_type(i)->name() == classname_) {
-        found_conflict = true;
-      }
-    }
-  }
-  if (found_conflict) {
-    error->assign(file_->name());
-    error->append(
-      ": Cannot generate Java output because the file's outer class name, \"");
-    error->append(classname_);
-    error->append(
-      "\", matches the name of one of the types declared inside it.  "
-      "Please either rename the type or use the java_outer_classname "
-      "option to specify a different outer class name for the .proto file.");
-    return false;
-  }
-  return true;
-}
-
-void FileGenerator::Generate(io::Printer* printer) {
-  // We don't import anything because we refer to all classes by their
-  // fully-qualified names in the generated source.
-  printer->Print(
-    "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n");
-  if (!java_package_.empty()) {
-    printer->Print(
-      "\n"
-      "package $package$;\n",
-      "package", java_package_);
-  }
-
-  // Note: constants (from enums, emitted in the loop below) may have the same names as constants
-  // in the nested classes. This causes Java warnings, but is not fatal, so we suppress those
-  // warnings here in the top-most class declaration.
-  printer->Print(
-    "\n"
-    "@SuppressWarnings(\"hiding\")\n"
-    "public interface $classname$ {\n",
-    "classname", classname_);
-  printer->Indent();
-
-  // -----------------------------------------------------------------
-
-  // Extensions.
-  for (int i = 0; i < file_->extension_count(); i++) {
-    ExtensionGenerator(file_->extension(i), params_).Generate(printer);
-  }
-
-  // Enums.
-  for (int i = 0; i < file_->enum_type_count(); i++) {
-    EnumGenerator(file_->enum_type(i), params_).Generate(printer);
-  }
-
-  // Messages.
-  if (!params_.java_multiple_files(file_->name())) {
-    for (int i = 0; i < file_->message_type_count(); i++) {
-      MessageGenerator(file_->message_type(i), params_).Generate(printer);
-    }
-  }
-
-  // Static variables.
-  for (int i = 0; i < file_->message_type_count(); i++) {
-    // TODO(kenton):  Reuse MessageGenerator objects?
-    MessageGenerator(file_->message_type(i), params_).GenerateStaticVariables(printer);
-  }
-
-  printer->Outdent();
-  printer->Print(
-    "}\n");
-}
-
-template<typename GeneratorClass, typename DescriptorClass>
-static void GenerateSibling(const string& package_dir,
-                            const string& java_package,
-                            const DescriptorClass* descriptor,
-                            GeneratorContext* output_directory,
-                            vector<string>* file_list,
-                            const Params& params) {
-  string filename = package_dir + descriptor->name() + ".java";
-  file_list->push_back(filename);
-
-  scoped_ptr<io::ZeroCopyOutputStream> output(
-    output_directory->Open(filename));
-  io::Printer printer(output.get(), '$');
-
-  printer.Print(
-    "// Generated by the protocol buffer compiler.  DO NOT EDIT!\n");
-  if (!java_package.empty()) {
-    printer.Print(
-      "\n"
-      "package $package$;\n",
-      "package", java_package);
-  }
-
-  GeneratorClass(descriptor, params).Generate(&printer);
-}
-
-void FileGenerator::GenerateSiblings(const string& package_dir,
-                                     GeneratorContext* output_directory,
-                                     vector<string>* file_list) {
-  if (params_.java_multiple_files(file_->name())) {
-    for (int i = 0; i < file_->message_type_count(); i++) {
-      GenerateSibling<MessageGenerator>(package_dir, java_package_,
-                                        file_->message_type(i),
-                                        output_directory, file_list, params_);
-    }
-
-    if (params_.java_enum_style()) {
-      for (int i = 0; i < file_->enum_type_count(); i++) {
-        GenerateSibling<EnumGenerator>(package_dir, java_package_,
-                                       file_->enum_type(i),
-                                       output_directory, file_list, params_);
-      }
-    }
-  }
-}
-
-}  // namespace javanano
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google