diff --git a/bin/protoc b/bin/protoc
index 56fc567..679a3b4 100755
--- a/bin/protoc
+++ b/bin/protoc
Binary files differ
diff --git a/build-common.sh b/build-common.sh
index 7b3a9aa..14c7cca 100755
--- a/build-common.sh
+++ b/build-common.sh
@@ -44,10 +44,9 @@
     # VS2013 x64 Native Tools Command Prompt
     case "$MSVS" in
     2013)
-        export PATH="$PATH_PREFIX/c/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin/amd64/":"$PATH_PREFIX/c/Program Files (x86)/Microsoft Visual Studio 12.0/Common7/IDE/":"$PATH"
-        export INCLUDE="C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\INCLUDE;C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\ATLMFC\\INCLUDE;C:\\Program Files (x86)\\Windows Kits\\8.1\\include\\shared;C:\\Program Files (x86)\\Windows Kits\\8.1\\include\\um;C:\\Program Files (x86)\\Windows Kits\\8.1\\include\\winrt;"
-        export LIB="C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\LIB\\amd64;C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\ATLMFC\\LIB\\amd64;C:\\Program Files (x86)\\Windows Kits\\8.1\\lib\\winv6.3\\um\\x64;"
-        export LIBPATH="C:\\Windows\\Microsoft.NET\\Framework64\\v4.0.30319;C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\LIB\\amd64;C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\VC\\ATLMFC\\LIB\\amd64;C:\\Program Files (x86)\\Windows Kits\\8.1\\References\\CommonConfiguration\\Neutral;C:\\Program Files (x86)\\Microsoft SDKs\\Windows\\v8.1\\ExtensionSDKs\\Microsoft.VCLibs\\12.0\\References\\CommonConfiguration\\neutral;"
+        devenv() {
+            cmd /c "${VS120COMNTOOLS}VsDevCmd.bat" '&' devenv.com "$@"
+        }
         INSTALL_VER=${VER}_${MSVS}
         ;;
     *)
diff --git a/build-protobuf.sh b/build-protobuf.sh
index 4b16392..ffcf59f 100755
--- a/build-protobuf.sh
+++ b/build-protobuf.sh
@@ -3,13 +3,12 @@
 # https://android.googlesource.com/platform/external/lldb-utils
 #
 # Download & build protobuf on the local machine
-# works on Linux
-# TODO: get it working on Windows and OS X
+# works on Linux, OS X, and Windows (Cygwin)
 # leaves output in /tmp/prebuilts/libprotobuf/$OS-x86
 # requires autoconf, automake, libtool, chrpath
 
 PROJ=libprotobuf
-VER=2.5.0
+VER=2.6.1
 
 source $(dirname "$0")/build-common.sh build-common.sh
 
@@ -29,14 +28,14 @@
 
 case "$OS" in
 	linux)
-		for TARGET in $INSTALL/{bin/protoc,lib/libprotoc.so.8}; do
+		for TARGET in $INSTALL/{bin/protoc,lib/libprotoc.so}; do
 			chrpath -r '$ORIGIN/../lib' $TARGET
 		done
 		;;
 	darwin)
-		for LIB in lib/libproto{c,buf{,-lite}}.8.dylib; do
+		for LIB in lib/libproto{c,buf{,-lite}}.9.dylib; do
 			install_name_tool -id @executable_path/../$LIB $INSTALL/$LIB
-			for TARGET in $INSTALL/{bin/protoc,lib/libprotoc.8.dylib}; do
+			for TARGET in $INSTALL/{bin/protoc,lib/libprotoc.dylib}; do
 				ABSOLUTE=$INSTALL/$LIB
 				RELATIVE=@executable_path/../$LIB
 				install_name_tool -change $ABSOLUTE $RELATIVE $TARGET
@@ -45,4 +44,6 @@
 		;;
 esac
 
+rm -rf $INSTALL/lib/{*.la,pkgconfig}
+
 commit_and_push
diff --git a/include/google/protobuf/compiler/code_generator.h b/include/google/protobuf/compiler/code_generator.h
index 252f68d..321a8cc 100644
--- a/include/google/protobuf/compiler/code_generator.h
+++ b/include/google/protobuf/compiler/code_generator.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -104,6 +104,9 @@
   // contain "." or ".." components.
   virtual io::ZeroCopyOutputStream* Open(const string& filename) = 0;
 
+  // Similar to Open() but the output will be appended to the file if exists
+  virtual io::ZeroCopyOutputStream* OpenForAppend(const string& filename);
+
   // Creates a ZeroCopyOutputStream which will insert code into the given file
   // at the given insertion point.  See plugin.proto (plugin.pb.h) for more
   // information on insertion points.  The default implementation
diff --git a/include/google/protobuf/compiler/command_line_interface.h b/include/google/protobuf/compiler/command_line_interface.h
index 86ea9bd..47f2891 100644
--- a/include/google/protobuf/compiler/command_line_interface.h
+++ b/include/google/protobuf/compiler/command_line_interface.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -48,8 +48,9 @@
 namespace google {
 namespace protobuf {
 
-class FileDescriptor;        // descriptor.h
+class Descriptor;            // descriptor.h
 class DescriptorPool;        // descriptor.h
+class FileDescriptor;        // descriptor.h
 class FileDescriptorProto;   // descriptor.pb.h
 template<typename T> class RepeatedPtrField;  // repeated_field.h
 
@@ -259,6 +260,22 @@
       set<const FileDescriptor*>* already_seen,
       RepeatedPtrField<FileDescriptorProto>* output);
 
+  // Implements the --print_free_field_numbers. This function prints free field
+  // numbers into stdout for the message and it's nested message types in
+  // post-order, i.e. nested types first. Printed range are left-right
+  // inclusive, i.e. [a, b].
+  //
+  // Groups:
+  // For historical reasons, groups are considered to share the same
+  // field number space with the parent message, thus it will not print free
+  // field numbers for groups. The field numbers used in the groups are
+  // excluded in the free field numbers of the parent message.
+  //
+  // Extension Ranges:
+  // Extension ranges are considered ocuppied field numbers and they will not be
+  // listed as free numbers in the output.
+  void PrintFreeFieldNumbers(const Descriptor* descriptor);
+
   // -----------------------------------------------------------------
 
   // The name of the executable as invoked (i.e. argv[0]).
@@ -295,11 +312,19 @@
   enum Mode {
     MODE_COMPILE,  // Normal mode:  parse .proto files and compile them.
     MODE_ENCODE,   // --encode:  read text from stdin, write binary to stdout.
-    MODE_DECODE    // --decode:  read binary from stdin, write text to stdout.
+    MODE_DECODE,   // --decode:  read binary from stdin, write text to stdout.
+    MODE_PRINT,    // Print mode: print info of the given .proto files and exit.
   };
 
   Mode mode_;
 
+  enum PrintMode {
+    PRINT_NONE,               // Not in MODE_PRINT
+    PRINT_FREE_FIELDS,        // --print_free_fields
+  };
+
+  PrintMode print_mode_;
+
   enum ErrorFormat {
     ERROR_FORMAT_GCC,   // GCC error output format (default).
     ERROR_FORMAT_MSVS   // Visual Studio output (--error_format=msvs).
diff --git a/include/google/protobuf/compiler/cpp/cpp_generator.h b/include/google/protobuf/compiler/cpp/cpp_generator.h
index a90e84d..3d517cf 100644
--- a/include/google/protobuf/compiler/cpp/cpp_generator.h
+++ b/include/google/protobuf/compiler/cpp/cpp_generator.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/compiler/importer.h b/include/google/protobuf/compiler/importer.h
index 7a62fa0..f010fd0 100644
--- a/include/google/protobuf/compiler/importer.h
+++ b/include/google/protobuf/compiler/importer.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -166,6 +166,9 @@
     return &pool_;
   }
 
+  void AddUnusedImportTrackFile(const string& file_name);
+  void ClearUnusedImportTrackFiles();
+
  private:
   SourceTreeDescriptorDatabase database_;
   DescriptorPool pool_;
@@ -204,6 +207,13 @@
   // contain "." or ".." components.
   virtual io::ZeroCopyInputStream* Open(const string& filename) = 0;
 
+  // If Open() returns NULL, calling this method immediately will return an
+  // description of the error.
+  // Subclasses should implement this method and return a meaningful value for
+  // better error reporting.
+  // TODO(xiaofeng): change this to a pure virtual function.
+  virtual string GetLastErrorMessage();
+
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(SourceTree);
 };
@@ -273,7 +283,9 @@
   bool VirtualFileToDiskFile(const string& virtual_file, string* disk_file);
 
   // implements SourceTree -------------------------------------------
-  io::ZeroCopyInputStream* Open(const string& filename);
+  virtual io::ZeroCopyInputStream* Open(const string& filename);
+
+  virtual string GetLastErrorMessage();
 
  private:
   struct Mapping {
@@ -285,6 +297,7 @@
       : virtual_path(virtual_path_param), disk_path(disk_path_param) {}
   };
   vector<Mapping> mappings_;
+  string last_error_message_;
 
   // Like Open(), but returns the on-disk path in disk_file if disk_file is
   // non-NULL and the file could be successfully opened.
diff --git a/include/google/protobuf/compiler/java/java_generator.h b/include/google/protobuf/compiler/java/java_generator.h
index 888b8d8..47f76be 100644
--- a/include/google/protobuf/compiler/java/java_generator.h
+++ b/include/google/protobuf/compiler/java/java_generator.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/compiler/parser.h b/include/google/protobuf/compiler/parser.h
index cfd3649..d0a2359 100644
--- a/include/google/protobuf/compiler/parser.h
+++ b/include/google/protobuf/compiler/parser.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -40,7 +40,6 @@
 #include <map>
 #include <string>
 #include <utility>
-#include <google/protobuf/stubs/common.h>
 #include <google/protobuf/descriptor.h>
 #include <google/protobuf/descriptor.pb.h>
 #include <google/protobuf/repeated_field.h>
@@ -233,6 +232,9 @@
     // location to the given token instead.
     void StartAt(const io::Tokenizer::Token& token);
 
+    // Start at the same location as some other LocationRecorder.
+    void StartAt(const LocationRecorder& other);
+
     // By default the location is considered to end at the previous token at
     // the time the LocationRecorder is destroyed.  EndAt() sets the end
     // location to the given token instead.
@@ -284,38 +286,50 @@
 
   // Parse various language high-level language construrcts.
   bool ParseMessageDefinition(DescriptorProto* message,
-                              const LocationRecorder& message_location);
+                              const LocationRecorder& message_location,
+                              const FileDescriptorProto* containing_file);
   bool ParseEnumDefinition(EnumDescriptorProto* enum_type,
-                           const LocationRecorder& enum_location);
+                           const LocationRecorder& enum_location,
+                           const FileDescriptorProto* containing_file);
   bool ParseServiceDefinition(ServiceDescriptorProto* service,
-                              const LocationRecorder& service_location);
+                              const LocationRecorder& service_location,
+                              const FileDescriptorProto* containing_file);
   bool ParsePackage(FileDescriptorProto* file,
-                    const LocationRecorder& root_location);
+                    const LocationRecorder& root_location,
+                    const FileDescriptorProto* containing_file);
   bool ParseImport(RepeatedPtrField<string>* dependency,
                    RepeatedField<int32>* public_dependency,
                    RepeatedField<int32>* weak_dependency,
-                   const LocationRecorder& root_location);
+                   const LocationRecorder& root_location,
+                   const FileDescriptorProto* containing_file);
   bool ParseOption(Message* options,
-                   const LocationRecorder& options_location);
+                   const LocationRecorder& options_location,
+                   const FileDescriptorProto* containing_file);
 
   // These methods parse the contents of a message, enum, or service type and
   // add them to the given object.  They consume the entire block including
   // the beginning and ending brace.
   bool ParseMessageBlock(DescriptorProto* message,
-                         const LocationRecorder& message_location);
+                         const LocationRecorder& message_location,
+                         const FileDescriptorProto* containing_file);
   bool ParseEnumBlock(EnumDescriptorProto* enum_type,
-                      const LocationRecorder& enum_location);
+                      const LocationRecorder& enum_location,
+                      const FileDescriptorProto* containing_file);
   bool ParseServiceBlock(ServiceDescriptorProto* service,
-                         const LocationRecorder& service_location);
+                         const LocationRecorder& service_location,
+                         const FileDescriptorProto* containing_file);
 
   // Parse one statement within a message, enum, or service block, inclunding
   // final semicolon.
   bool ParseMessageStatement(DescriptorProto* message,
-                             const LocationRecorder& message_location);
+                             const LocationRecorder& message_location,
+                             const FileDescriptorProto* containing_file);
   bool ParseEnumStatement(EnumDescriptorProto* message,
-                          const LocationRecorder& enum_location);
+                          const LocationRecorder& enum_location,
+                          const FileDescriptorProto* containing_file);
   bool ParseServiceStatement(ServiceDescriptorProto* message,
-                             const LocationRecorder& service_location);
+                             const LocationRecorder& service_location,
+                             const FileDescriptorProto* containing_file);
 
   // Parse a field of a message.  If the field is a group, its type will be
   // added to "messages".
@@ -329,11 +343,22 @@
                          RepeatedPtrField<DescriptorProto>* messages,
                          const LocationRecorder& parent_location,
                          int location_field_number_for_nested_type,
-                         const LocationRecorder& field_location);
+                         const LocationRecorder& field_location,
+                         const FileDescriptorProto* containing_file);
+
+  // Like ParseMessageField() but expects the label has already been filled in
+  // by the caller.
+  bool ParseMessageFieldNoLabel(FieldDescriptorProto* field,
+                                RepeatedPtrField<DescriptorProto>* messages,
+                                const LocationRecorder& parent_location,
+                                int location_field_number_for_nested_type,
+                                const LocationRecorder& field_location,
+                                const FileDescriptorProto* containing_file);
 
   // Parse an "extensions" declaration.
   bool ParseExtensions(DescriptorProto* message,
-                       const LocationRecorder& extensions_location);
+                       const LocationRecorder& extensions_location,
+                       const FileDescriptorProto* containing_file);
 
   // Parse an "extend" declaration.  (See also comments for
   // ParseMessageField().)
@@ -341,30 +366,46 @@
                    RepeatedPtrField<DescriptorProto>* messages,
                    const LocationRecorder& parent_location,
                    int location_field_number_for_nested_type,
-                   const LocationRecorder& extend_location);
+                   const LocationRecorder& extend_location,
+                   const FileDescriptorProto* containing_file);
+
+  // Parse a "oneof" declaration.  The caller is responsible for setting
+  // oneof_decl->label() since it will have had to parse the label before it
+  // knew it was parsing a oneof.
+  bool ParseOneof(OneofDescriptorProto* oneof_decl,
+                  DescriptorProto* containing_type,
+                  int oneof_index,
+                  const LocationRecorder& oneof_location,
+                  const LocationRecorder& containing_type_location,
+                  const FileDescriptorProto* containing_file);
 
   // Parse a single enum value within an enum block.
   bool ParseEnumConstant(EnumValueDescriptorProto* enum_value,
-                         const LocationRecorder& enum_value_location);
+                         const LocationRecorder& enum_value_location,
+                         const FileDescriptorProto* containing_file);
 
   // Parse enum constant options, i.e. the list in square brackets at the end
   // of the enum constant value definition.
   bool ParseEnumConstantOptions(EnumValueDescriptorProto* value,
-                                const LocationRecorder& enum_value_location);
+                                const LocationRecorder& enum_value_location,
+                                const FileDescriptorProto* containing_file);
 
   // Parse a single method within a service definition.
   bool ParseServiceMethod(MethodDescriptorProto* method,
-                          const LocationRecorder& method_location);
+                          const LocationRecorder& method_location,
+                          const FileDescriptorProto* containing_file);
 
 
   // Parse options of a single method or stream.
   bool ParseOptions(const LocationRecorder& parent_location,
+                    const FileDescriptorProto* containing_file,
                     const int optionsFieldNumber,
                     Message* mutable_options);
 
   // Parse "required", "optional", or "repeated" and fill in "label"
   // with the value.
-  bool ParseLabel(FieldDescriptorProto::Label* label);
+  bool ParseLabel(FieldDescriptorProto::Label* label,
+                  const FileDescriptorProto* containing_file);
 
   // Parse a type name and fill in "type" (if it is a primitive) or
   // "type_name" (if it is not) with the type parsed.
@@ -377,12 +418,14 @@
   // Parses field options, i.e. the stuff in square brackets at the end
   // of a field definition.  Also parses default value.
   bool ParseFieldOptions(FieldDescriptorProto* field,
-                         const LocationRecorder& field_location);
+                         const LocationRecorder& field_location,
+                         const FileDescriptorProto* containing_file);
 
   // Parse the "default" option.  This needs special handling because its
   // type is the field's type.
   bool ParseDefaultAssignment(FieldDescriptorProto* field,
-                              const LocationRecorder& field_location);
+                              const LocationRecorder& field_location,
+                              const FileDescriptorProto* containing_file);
 
   enum OptionStyle {
     OPTION_ASSIGNMENT,  // just "name = value"
@@ -394,6 +437,7 @@
   // is set to the parsed value.
   bool ParseOption(Message* options,
                    const LocationRecorder& options_location,
+                   const FileDescriptorProto* containing_file,
                    OptionStyle style);
 
   // Parses a single part of a multipart option name. A multipart name consists
@@ -401,7 +445,8 @@
   // of identifiers separated by dots and enclosed in parentheses. E.g.,
   // "foo.(bar.baz).qux".
   bool ParseOptionNamePart(UninterpretedOption* uninterpreted_option,
-                           const LocationRecorder& part_location);
+                           const LocationRecorder& part_location,
+                           const FileDescriptorProto* containing_file);
 
   // Parses a string surrounded by balanced braces.  Strips off the outer
   // braces and stores the enclosed string in *value.
diff --git a/include/google/protobuf/compiler/plugin.h b/include/google/protobuf/compiler/plugin.h
index 6fa2de1..679f9bd 100644
--- a/include/google/protobuf/compiler/plugin.h
+++ b/include/google/protobuf/compiler/plugin.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/compiler/plugin.pb.h b/include/google/protobuf/compiler/plugin.pb.h
index 68cc21c..65634da 100644
--- a/include/google/protobuf/compiler/plugin.pb.h
+++ b/include/google/protobuf/compiler/plugin.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 2005000
+#if GOOGLE_PROTOBUF_VERSION < 2006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 2005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 2006001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
@@ -89,7 +89,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -143,13 +142,11 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::google::protobuf::RepeatedPtrField< ::std::string> file_to_generate_;
   ::std::string* parameter_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto > proto_file_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-
   friend void LIBPROTOC_EXPORT protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
@@ -206,7 +203,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -260,13 +256,11 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::std::string* insertion_point_;
   ::std::string* content_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-
   friend void LIBPROTOC_EXPORT protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
@@ -323,7 +317,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -363,12 +356,10 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* error_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::compiler::CodeGeneratorResponse_File > file_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-
   friend void LIBPROTOC_EXPORT protobuf_AddDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fcompiler_2fplugin_2eproto();
@@ -391,39 +382,49 @@
   file_to_generate_.Clear();
 }
 inline const ::std::string& CodeGeneratorRequest::file_to_generate(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
   return file_to_generate_.Get(index);
 }
 inline ::std::string* CodeGeneratorRequest::mutable_file_to_generate(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
   return file_to_generate_.Mutable(index);
 }
 inline void CodeGeneratorRequest::set_file_to_generate(int index, const ::std::string& value) {
+  // @@protoc_insertion_point(field_set:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
   file_to_generate_.Mutable(index)->assign(value);
 }
 inline void CodeGeneratorRequest::set_file_to_generate(int index, const char* value) {
   file_to_generate_.Mutable(index)->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
 }
 inline void CodeGeneratorRequest::set_file_to_generate(int index, const char* value, size_t size) {
   file_to_generate_.Mutable(index)->assign(
     reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
 }
 inline ::std::string* CodeGeneratorRequest::add_file_to_generate() {
   return file_to_generate_.Add();
 }
 inline void CodeGeneratorRequest::add_file_to_generate(const ::std::string& value) {
   file_to_generate_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
 }
 inline void CodeGeneratorRequest::add_file_to_generate(const char* value) {
   file_to_generate_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add_char:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
 }
 inline void CodeGeneratorRequest::add_file_to_generate(const char* value, size_t size) {
   file_to_generate_.Add()->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_add_pointer:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
 }
 inline const ::google::protobuf::RepeatedPtrField< ::std::string>&
 CodeGeneratorRequest::file_to_generate() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
   return file_to_generate_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::std::string>*
 CodeGeneratorRequest::mutable_file_to_generate() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.compiler.CodeGeneratorRequest.file_to_generate)
   return &file_to_generate_;
 }
 
@@ -438,54 +439,59 @@
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void CodeGeneratorRequest::clear_parameter() {
-  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     parameter_->clear();
   }
   clear_has_parameter();
 }
 inline const ::std::string& CodeGeneratorRequest::parameter() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorRequest.parameter)
   return *parameter_;
 }
 inline void CodeGeneratorRequest::set_parameter(const ::std::string& value) {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.compiler.CodeGeneratorRequest.parameter)
 }
 inline void CodeGeneratorRequest::set_parameter(const char* value) {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.compiler.CodeGeneratorRequest.parameter)
 }
 inline void CodeGeneratorRequest::set_parameter(const char* value, size_t size) {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     parameter_ = new ::std::string;
   }
   parameter_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.compiler.CodeGeneratorRequest.parameter)
 }
 inline ::std::string* CodeGeneratorRequest::mutable_parameter() {
   set_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     parameter_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorRequest.parameter)
   return parameter_;
 }
 inline ::std::string* CodeGeneratorRequest::release_parameter() {
   clear_has_parameter();
-  if (parameter_ == &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = parameter_;
-    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void CodeGeneratorRequest::set_allocated_parameter(::std::string* parameter) {
-  if (parameter_ != &::google::protobuf::internal::kEmptyString) {
+  if (parameter_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete parameter_;
   }
   if (parameter) {
@@ -493,8 +499,9 @@
     parameter_ = parameter;
   } else {
     clear_has_parameter();
-    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    parameter_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.compiler.CodeGeneratorRequest.parameter)
 }
 
 // repeated .google.protobuf.FileDescriptorProto proto_file = 15;
@@ -505,20 +512,25 @@
   proto_file_.Clear();
 }
 inline const ::google::protobuf::FileDescriptorProto& CodeGeneratorRequest::proto_file(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorRequest.proto_file)
   return proto_file_.Get(index);
 }
 inline ::google::protobuf::FileDescriptorProto* CodeGeneratorRequest::mutable_proto_file(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorRequest.proto_file)
   return proto_file_.Mutable(index);
 }
 inline ::google::protobuf::FileDescriptorProto* CodeGeneratorRequest::add_proto_file() {
+  // @@protoc_insertion_point(field_add:google.protobuf.compiler.CodeGeneratorRequest.proto_file)
   return proto_file_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto >&
 CodeGeneratorRequest::proto_file() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.compiler.CodeGeneratorRequest.proto_file)
   return proto_file_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto >*
 CodeGeneratorRequest::mutable_proto_file() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.compiler.CodeGeneratorRequest.proto_file)
   return &proto_file_;
 }
 
@@ -537,54 +549,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void CodeGeneratorResponse_File::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& CodeGeneratorResponse_File::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorResponse.File.name)
   return *name_;
 }
 inline void CodeGeneratorResponse_File::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.compiler.CodeGeneratorResponse.File.name)
 }
 inline void CodeGeneratorResponse_File::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.compiler.CodeGeneratorResponse.File.name)
 }
 inline void CodeGeneratorResponse_File::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.compiler.CodeGeneratorResponse.File.name)
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorResponse.File.name)
   return name_;
 }
 inline ::std::string* CodeGeneratorResponse_File::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void CodeGeneratorResponse_File::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -592,8 +609,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.compiler.CodeGeneratorResponse.File.name)
 }
 
 // optional string insertion_point = 2;
@@ -607,54 +625,59 @@
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void CodeGeneratorResponse_File::clear_insertion_point() {
-  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     insertion_point_->clear();
   }
   clear_has_insertion_point();
 }
 inline const ::std::string& CodeGeneratorResponse_File::insertion_point() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorResponse.File.insertion_point)
   return *insertion_point_;
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const ::std::string& value) {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.compiler.CodeGeneratorResponse.File.insertion_point)
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const char* value) {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.compiler.CodeGeneratorResponse.File.insertion_point)
 }
 inline void CodeGeneratorResponse_File::set_insertion_point(const char* value, size_t size) {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     insertion_point_ = new ::std::string;
   }
   insertion_point_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.compiler.CodeGeneratorResponse.File.insertion_point)
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_insertion_point() {
   set_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     insertion_point_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorResponse.File.insertion_point)
   return insertion_point_;
 }
 inline ::std::string* CodeGeneratorResponse_File::release_insertion_point() {
   clear_has_insertion_point();
-  if (insertion_point_ == &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = insertion_point_;
-    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void CodeGeneratorResponse_File::set_allocated_insertion_point(::std::string* insertion_point) {
-  if (insertion_point_ != &::google::protobuf::internal::kEmptyString) {
+  if (insertion_point_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete insertion_point_;
   }
   if (insertion_point) {
@@ -662,8 +685,9 @@
     insertion_point_ = insertion_point;
   } else {
     clear_has_insertion_point();
-    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    insertion_point_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.compiler.CodeGeneratorResponse.File.insertion_point)
 }
 
 // optional string content = 15;
@@ -677,54 +701,59 @@
   _has_bits_[0] &= ~0x00000004u;
 }
 inline void CodeGeneratorResponse_File::clear_content() {
-  if (content_ != &::google::protobuf::internal::kEmptyString) {
+  if (content_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     content_->clear();
   }
   clear_has_content();
 }
 inline const ::std::string& CodeGeneratorResponse_File::content() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorResponse.File.content)
   return *content_;
 }
 inline void CodeGeneratorResponse_File::set_content(const ::std::string& value) {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     content_ = new ::std::string;
   }
   content_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.compiler.CodeGeneratorResponse.File.content)
 }
 inline void CodeGeneratorResponse_File::set_content(const char* value) {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     content_ = new ::std::string;
   }
   content_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.compiler.CodeGeneratorResponse.File.content)
 }
 inline void CodeGeneratorResponse_File::set_content(const char* value, size_t size) {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     content_ = new ::std::string;
   }
   content_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.compiler.CodeGeneratorResponse.File.content)
 }
 inline ::std::string* CodeGeneratorResponse_File::mutable_content() {
   set_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     content_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorResponse.File.content)
   return content_;
 }
 inline ::std::string* CodeGeneratorResponse_File::release_content() {
   clear_has_content();
-  if (content_ == &::google::protobuf::internal::kEmptyString) {
+  if (content_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = content_;
-    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void CodeGeneratorResponse_File::set_allocated_content(::std::string* content) {
-  if (content_ != &::google::protobuf::internal::kEmptyString) {
+  if (content_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete content_;
   }
   if (content) {
@@ -732,8 +761,9 @@
     content_ = content;
   } else {
     clear_has_content();
-    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    content_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.compiler.CodeGeneratorResponse.File.content)
 }
 
 // -------------------------------------------------------------------
@@ -751,54 +781,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void CodeGeneratorResponse::clear_error() {
-  if (error_ != &::google::protobuf::internal::kEmptyString) {
+  if (error_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     error_->clear();
   }
   clear_has_error();
 }
 inline const ::std::string& CodeGeneratorResponse::error() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorResponse.error)
   return *error_;
 }
 inline void CodeGeneratorResponse::set_error(const ::std::string& value) {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     error_ = new ::std::string;
   }
   error_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.compiler.CodeGeneratorResponse.error)
 }
 inline void CodeGeneratorResponse::set_error(const char* value) {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     error_ = new ::std::string;
   }
   error_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.compiler.CodeGeneratorResponse.error)
 }
 inline void CodeGeneratorResponse::set_error(const char* value, size_t size) {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     error_ = new ::std::string;
   }
   error_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.compiler.CodeGeneratorResponse.error)
 }
 inline ::std::string* CodeGeneratorResponse::mutable_error() {
   set_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     error_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorResponse.error)
   return error_;
 }
 inline ::std::string* CodeGeneratorResponse::release_error() {
   clear_has_error();
-  if (error_ == &::google::protobuf::internal::kEmptyString) {
+  if (error_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = error_;
-    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void CodeGeneratorResponse::set_allocated_error(::std::string* error) {
-  if (error_ != &::google::protobuf::internal::kEmptyString) {
+  if (error_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete error_;
   }
   if (error) {
@@ -806,8 +841,9 @@
     error_ = error;
   } else {
     clear_has_error();
-    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    error_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.compiler.CodeGeneratorResponse.error)
 }
 
 // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
@@ -818,20 +854,25 @@
   file_.Clear();
 }
 inline const ::google::protobuf::compiler::CodeGeneratorResponse_File& CodeGeneratorResponse::file(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.compiler.CodeGeneratorResponse.file)
   return file_.Get(index);
 }
 inline ::google::protobuf::compiler::CodeGeneratorResponse_File* CodeGeneratorResponse::mutable_file(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.compiler.CodeGeneratorResponse.file)
   return file_.Mutable(index);
 }
 inline ::google::protobuf::compiler::CodeGeneratorResponse_File* CodeGeneratorResponse::add_file() {
+  // @@protoc_insertion_point(field_add:google.protobuf.compiler.CodeGeneratorResponse.file)
   return file_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::compiler::CodeGeneratorResponse_File >&
 CodeGeneratorResponse::file() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.compiler.CodeGeneratorResponse.file)
   return file_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::compiler::CodeGeneratorResponse_File >*
 CodeGeneratorResponse::mutable_file() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.compiler.CodeGeneratorResponse.file)
   return &file_;
 }
 
diff --git a/include/google/protobuf/compiler/plugin.proto b/include/google/protobuf/compiler/plugin.proto
index 77b888f..b65379d 100644
--- a/include/google/protobuf/compiler/plugin.proto
+++ b/include/google/protobuf/compiler/plugin.proto
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/compiler/python/python_generator.h b/include/google/protobuf/compiler/python/python_generator.h
index a3f22ce..f86e9ea 100644
--- a/include/google/protobuf/compiler/python/python_generator.h
+++ b/include/google/protobuf/compiler/python/python_generator.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -94,8 +94,11 @@
   void PrintNestedDescriptors(const Descriptor& containing_descriptor) const;
 
   void PrintMessages() const;
-  void PrintMessage(const Descriptor& message_descriptor) const;
-  void PrintNestedMessages(const Descriptor& containing_descriptor) const;
+  void PrintMessage(const Descriptor& message_descriptor, const string& prefix,
+                    vector<string>* to_register) const;
+  void PrintNestedMessages(const Descriptor& containing_descriptor,
+                           const string& prefix,
+                           vector<string>* to_register) const;
 
   void FixForeignFieldsInDescriptors() const;
   void FixForeignFieldsInDescriptor(
@@ -105,6 +108,8 @@
                                const FieldDescriptor& field,
                                const string& python_dict_name) const;
   void AddMessageToFileDescriptor(const Descriptor& descriptor) const;
+  void AddEnumToFileDescriptor(const EnumDescriptor& descriptor) const;
+  void AddExtensionToFileDescriptor(const FieldDescriptor& descriptor) const;
   string FieldReferencingExpression(const Descriptor* containing_type,
                                     const FieldDescriptor& field,
                                     const string& python_dict_name) const;
diff --git a/include/google/protobuf/descriptor.h b/include/google/protobuf/descriptor.h
index 33e3af7..67afc77 100644
--- a/include/google/protobuf/descriptor.h
+++ b/include/google/protobuf/descriptor.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -54,14 +54,11 @@
 #ifndef GOOGLE_PROTOBUF_DESCRIPTOR_H__
 #define GOOGLE_PROTOBUF_DESCRIPTOR_H__
 
+#include <set>
 #include <string>
 #include <vector>
 #include <google/protobuf/stubs/common.h>
 
-// TYPE_BOOL is defined in the MacOS's ConditionalMacros.h.
-#ifdef TYPE_BOOL
-#undef TYPE_BOOL
-#endif  // TYPE_BOOL
 
 namespace google {
 namespace protobuf {
@@ -69,6 +66,7 @@
 // Defined in this file.
 class Descriptor;
 class FieldDescriptor;
+class OneofDescriptor;
 class EnumDescriptor;
 class EnumValueDescriptor;
 class ServiceDescriptor;
@@ -80,6 +78,7 @@
 // Defined in descriptor.proto
 class DescriptorProto;
 class FieldDescriptorProto;
+class OneofDescriptorProto;
 class EnumDescriptorProto;
 class EnumValueDescriptorProto;
 class ServiceDescriptorProto;
@@ -163,6 +162,11 @@
   // will be suitable for re-parsing.
   string DebugString() const;
 
+  // Returns true if this is a placeholder for an unknown type. This will
+  // only be the case if this descriptor comes from a DescriptorPool
+  // with AllowUnknownDependencies() set.
+  bool is_placeholder() const;
+
   // Field stuff -----------------------------------------------------
 
   // The number of fields in this message type.
@@ -190,6 +194,15 @@
   const FieldDescriptor* FindFieldByCamelcaseName(
       const string& camelcase_name) const;
 
+  // The number of oneofs in this message type.
+  int oneof_decl_count() const;
+  // Get a oneof by index, where 0 <= index < oneof_decl_count().
+  // These are returned in the order they were defined in the .proto file.
+  const OneofDescriptor* oneof_decl(int index) const;
+
+  // Looks up a oneof by name.  Returns NULL if no such oneof exists.
+  const OneofDescriptor* FindOneofByName(const string& name) const;
+
   // Nested type stuff -----------------------------------------------
 
   // The number of nested types in this message type.
@@ -236,6 +249,9 @@
   // Returns true if the number is in one of the extension ranges.
   bool IsExtensionNumber(int number) const;
 
+  // Returns NULL if no extension range contains the given number.
+  const ExtensionRange* FindExtensionRangeContainingNumber(int number) const;
+
   // The number of extensions -- extending *other* messages -- that were
   // defined nested within this message type's scope.
   int extension_count() const;
@@ -286,6 +302,8 @@
 
   int field_count_;
   FieldDescriptor* fields_;
+  int oneof_decl_count_;
+  OneofDescriptor* oneof_decls_;
   int nested_type_count_;
   Descriptor* nested_types_;
   int enum_type_count_;
@@ -303,6 +321,7 @@
   friend class DescriptorBuilder;
   friend class EnumDescriptor;
   friend class FieldDescriptor;
+  friend class OneofDescriptor;
   friend class MethodDescriptor;
   friend class FileDescriptor;
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Descriptor);
@@ -473,6 +492,13 @@
   // this is the extended type.  Never NULL.
   const Descriptor* containing_type() const;
 
+  // If the field is a member of a oneof, this is the one, otherwise this is
+  // NULL.
+  const OneofDescriptor* containing_oneof() const;
+
+  // If the field is a member of a oneof, returns the index in that oneof.
+  int index_in_oneof() const;
+
   // An extension may be declared within the scope of another message.  If this
   // field is an extension (is_extension() is true), then extension_scope()
   // returns that message, or NULL if the extension was declared at global
@@ -481,10 +507,10 @@
   const Descriptor* extension_scope() const;
 
   // If type is TYPE_MESSAGE or TYPE_GROUP, returns a descriptor for the
-  // message or the group type.  Otherwise, undefined.
+  // message or the group type.  Otherwise, returns null.
   const Descriptor* message_type() const;
   // If type is TYPE_ENUM, returns a descriptor for the enum.  Otherwise,
-  // undefined.
+  // returns null.
   const EnumDescriptor* enum_type() const;
 
   // EXPERIMENTAL; DO NOT USE.
@@ -510,6 +536,12 @@
   // Helper method to get the CppType for a particular Type.
   static CppType TypeToCppType(Type type);
 
+  // Helper method to get the name of a Type.
+  static const char* TypeName(Type type);
+
+  // Helper method to get the name of a CppType.
+  static const char* CppTypeName(CppType cpp_type);
+
   // Return true iff [packed = true] is valid for fields of this type.
   static inline bool IsTypePackable(Type field_type);
 
@@ -524,7 +556,9 @@
   typedef FieldOptions OptionsType;
 
   // See Descriptor::DebugString().
-  void DebugString(int depth, string *contents) const;
+  enum PrintLabelFlag { PRINT_LABEL, OMIT_LABEL };
+  void DebugString(int depth, PrintLabelFlag print_label_flag,
+                   string* contents) const;
 
   // formats the default value appropriately and returns it as a string.
   // Must have a default value to call this. If quote_string_type is true, then
@@ -544,7 +578,9 @@
   Type type_;
   Label label_;
   bool is_extension_;
+  int index_in_oneof_;
   const Descriptor* containing_type_;
+  const OneofDescriptor* containing_oneof_;
   const Descriptor* extension_scope_;
   const Descriptor* message_type_;
   const EnumDescriptor* enum_type_;
@@ -581,9 +617,66 @@
   friend class DescriptorBuilder;
   friend class FileDescriptor;
   friend class Descriptor;
+  friend class OneofDescriptor;
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldDescriptor);
 };
 
+// Describes a oneof defined in a message type.
+class LIBPROTOBUF_EXPORT OneofDescriptor {
+ public:
+  const string& name() const;       // Name of this oneof.
+  const string& full_name() const;  // Fully-qualified name of the oneof.
+
+  // Index of this oneof within the message's oneof array.
+  int index() const;
+
+  // The Descriptor for the message containing this oneof.
+  const Descriptor* containing_type() const;
+
+  // The number of (non-extension) fields which are members of this oneof.
+  int field_count() const;
+  // Get a member of this oneof, in the order in which they were declared in the
+  // .proto file.  Does not include extensions.
+  const FieldDescriptor* field(int index) const;
+
+  // See Descriptor::CopyTo().
+  void CopyTo(OneofDescriptorProto* proto) const;
+
+  // See Descriptor::DebugString().
+  string DebugString() const;
+
+  // Source Location ---------------------------------------------------
+
+  // Updates |*out_location| to the source location of the complete
+  // extent of this oneof declaration.  Returns false and leaves
+  // |*out_location| unchanged iff location information was not available.
+  bool GetSourceLocation(SourceLocation* out_location) const;
+
+ private:
+  // See Descriptor::DebugString().
+  void DebugString(int depth, string* contents) const;
+
+  // Walks up the descriptor tree to generate the source location path
+  // to this descriptor from the file root.
+  void GetLocationPath(vector<int>* output) const;
+
+  const string* name_;
+  const string* full_name_;
+  const Descriptor* containing_type_;
+  bool is_extendable_;
+  int field_count_;
+  const FieldDescriptor** fields_;
+  // IMPORTANT:  If you add a new field, make sure to search for all instances
+  // of Allocate<OneofDescriptor>() and AllocateArray<OneofDescriptor>()
+  // in descriptor.cc and update them to initialize the field.
+
+  // Must be constructed using DescriptorPool.
+  OneofDescriptor() {}
+  friend class DescriptorBuilder;
+  friend class Descriptor;
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(OneofDescriptor);
+};
+
 // Describes an enum type defined in a .proto file.  To get the EnumDescriptor
 // for a generated enum type, call TypeName_descriptor().  Use DescriptorPool
 // to construct your own descriptors.
@@ -630,6 +723,11 @@
   // See Descriptor::DebugString().
   string DebugString() const;
 
+  // Returns true if this is a placeholder for an unknown enum. This will
+  // only be the case if this descriptor comes from a DescriptorPool
+  // with AllowUnknownDependencies() set.
+  bool is_placeholder() const;
+
   // Source Location ---------------------------------------------------
 
   // Updates |*out_location| to the source location of the complete
@@ -984,6 +1082,11 @@
   // See Descriptor::DebugString().
   string DebugString() const;
 
+  // Returns true if this is a placeholder for an unknown file. This will
+  // only be the case if this descriptor comes from a DescriptorPool
+  // with AllowUnknownDependencies() set.
+  bool is_placeholder() const;
+
  private:
   // Source Location ---------------------------------------------------
 
@@ -1013,6 +1116,7 @@
   int service_count_;
   ServiceDescriptor* services_;
   int extension_count_;
+  bool is_placeholder_;
   FieldDescriptor* extensions_;
   const FileOptions* options_;
 
@@ -1026,6 +1130,7 @@
   friend class DescriptorBuilder;
   friend class Descriptor;
   friend class FieldDescriptor;
+  friend class OneofDescriptor;
   friend class EnumDescriptor;
   friend class EnumValueDescriptor;
   friend class MethodDescriptor;
@@ -1083,6 +1188,10 @@
   //   to GOOGLE_LOG(ERROR).  Remember that files are built on-demand, so this
   //   ErrorCollector may be called from any thread that calls one of the
   //   Find*By*() methods.
+  // - The DescriptorDatabase must not be mutated during the lifetime of
+  //   the DescriptorPool. Even if the client takes care to avoid data races,
+  //   changes to the content of the DescriptorDatabase may not be reflected
+  //   in subsequent lookups in the DescriptorPool.
   class ErrorCollector;
   explicit DescriptorPool(DescriptorDatabase* fallback_database,
                           ErrorCollector* error_collector = NULL);
@@ -1113,6 +1222,7 @@
   const Descriptor* FindMessageTypeByName(const string& name) const;
   const FieldDescriptor* FindFieldByName(const string& name) const;
   const FieldDescriptor* FindExtensionByName(const string& name) const;
+  const OneofDescriptor* FindOneofByName(const string& name) const;
   const EnumDescriptor* FindEnumTypeByName(const string& name) const;
   const EnumValueDescriptor* FindEnumValueByName(const string& name) const;
   const ServiceDescriptor* FindServiceByName(const string& name) const;
@@ -1157,7 +1267,8 @@
       OTHER              // some other problem
     };
 
-    // Reports an error in the FileDescriptorProto.
+    // Reports an error in the FileDescriptorProto. Use this function if the
+    // problem occured should interrupt building the FileDescriptorProto.
     virtual void AddError(
       const string& filename,      // File name in which the error occurred.
       const string& element_name,  // Full name of the erroneous element.
@@ -1166,6 +1277,16 @@
       const string& message        // Human-readable error message.
       ) = 0;
 
+    // Reports a warning in the FileDescriptorProto. Use this function if the
+    // problem occured should NOT interrupt building the FileDescriptorProto.
+    virtual void AddWarning(
+      const string& filename,      // File name in which the error occurred.
+      const string& element_name,  // Full name of the erroneous element.
+      const Message* descriptor,   // Descriptor of the erroneous element.
+      ErrorLocation location,      // One of the location constants, above.
+      const string& message        // Human-readable error message.
+      ) {}
+
    private:
     GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ErrorCollector);
   };
@@ -1186,7 +1307,8 @@
   // to types or other files that are not found in the DescriptorPool (or its
   // backing DescriptorDatabase, if any).  If you call
   // AllowUnknownDependencies(), however, then unknown types and files
-  // will be replaced by placeholder descriptors.  This can allow you to
+  // will be replaced by placeholder descriptors (which can be identified by
+  // the is_placeholder() method).  This can allow you to
   // perform some useful operations with a .proto file even if you do not
   // have access to other .proto files on which it depends.  However, some
   // heuristics must be used to fill in the gaps in information, and these
@@ -1195,10 +1317,15 @@
   // or an enum, as well as what package it resides in.  Furthermore,
   // placeholder types will not be discoverable via FindMessageTypeByName()
   // and similar methods, which could confuse some descriptor-based algorithms.
-  // Generally, the results of this option should only be relied upon for
-  // debugging purposes.
+  // Generally, the results of this option should be handled with extreme care.
   void AllowUnknownDependencies() { allow_unknown_ = true; }
 
+  // By default, weak imports are allowed to be missing, in which case we will
+  // use a placeholder for the dependency and convert the field to be an Empty
+  // message field. If you call EnforceWeakDependencies(true), however, the
+  // DescriptorPool will report a import not found error.
+  void EnforceWeakDependencies(bool enforce) { enforce_weak_ = enforce; }
+
   // Internal stuff --------------------------------------------------
   // These methods MUST NOT be called from outside the proto2 library.
   // These methods may contain hidden pitfalls and may be removed in a
@@ -1254,6 +1381,12 @@
   // lazy descriptor initialization behavior.
   bool InternalIsFileLoaded(const string& filename) const;
 
+
+  // Add a file to unused_import_track_files_. DescriptorBuilder will log
+  // warnings for those files if there is any unused import.
+  void AddUnusedImportTrackFile(const string& file_name);
+  void ClearUnusedImportTrackFiles();
+
  private:
   friend class Descriptor;
   friend class FieldDescriptor;
@@ -1298,6 +1431,8 @@
 
   bool enforce_dependencies_;
   bool allow_unknown_;
+  bool enforce_weak_;
+  std::set<string> unused_import_track_files_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(DescriptorPool);
 };
@@ -1325,10 +1460,12 @@
 PROTOBUF_DEFINE_ACCESSOR(Descriptor, containing_type, const Descriptor*)
 
 PROTOBUF_DEFINE_ACCESSOR(Descriptor, field_count, int)
+PROTOBUF_DEFINE_ACCESSOR(Descriptor, oneof_decl_count, int)
 PROTOBUF_DEFINE_ACCESSOR(Descriptor, nested_type_count, int)
 PROTOBUF_DEFINE_ACCESSOR(Descriptor, enum_type_count, int)
 
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, field, const FieldDescriptor*)
+PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, oneof_decl, const OneofDescriptor*)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, nested_type, const Descriptor*)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, enum_type, const EnumDescriptor*)
 
@@ -1338,7 +1475,8 @@
                                const Descriptor::ExtensionRange*)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(Descriptor, extension,
                                const FieldDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(Descriptor, MessageOptions)
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(Descriptor, MessageOptions);
+PROTOBUF_DEFINE_ACCESSOR(Descriptor, is_placeholder, bool)
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(FieldDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(FieldDescriptor, full_name)
@@ -1350,6 +1488,9 @@
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, type, FieldDescriptor::Type)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, label, FieldDescriptor::Label)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, containing_type, const Descriptor*)
+PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, containing_oneof,
+                         const OneofDescriptor*)
+PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, index_in_oneof, int)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, extension_scope, const Descriptor*)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, message_type, const Descriptor*)
 PROTOBUF_DEFINE_ACCESSOR(FieldDescriptor, enum_type, const EnumDescriptor*)
@@ -1368,6 +1509,11 @@
                          const EnumValueDescriptor*)
 PROTOBUF_DEFINE_STRING_ACCESSOR(FieldDescriptor, default_value_string)
 
+PROTOBUF_DEFINE_STRING_ACCESSOR(OneofDescriptor, name)
+PROTOBUF_DEFINE_STRING_ACCESSOR(OneofDescriptor, full_name)
+PROTOBUF_DEFINE_ACCESSOR(OneofDescriptor, containing_type, const Descriptor*)
+PROTOBUF_DEFINE_ACCESSOR(OneofDescriptor, field_count, int)
+
 PROTOBUF_DEFINE_STRING_ACCESSOR(EnumDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(EnumDescriptor, full_name)
 PROTOBUF_DEFINE_ACCESSOR(EnumDescriptor, file, const FileDescriptor*)
@@ -1375,7 +1521,8 @@
 PROTOBUF_DEFINE_ACCESSOR(EnumDescriptor, value_count, int)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(EnumDescriptor, value,
                                const EnumValueDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(EnumDescriptor, EnumOptions)
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(EnumDescriptor, EnumOptions);
+PROTOBUF_DEFINE_ACCESSOR(EnumDescriptor, is_placeholder, bool)
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(EnumValueDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(EnumValueDescriptor, full_name)
@@ -1389,14 +1536,14 @@
 PROTOBUF_DEFINE_ACCESSOR(ServiceDescriptor, method_count, int)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(ServiceDescriptor, method,
                                const MethodDescriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(ServiceDescriptor, ServiceOptions)
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(ServiceDescriptor, ServiceOptions);
 
 PROTOBUF_DEFINE_STRING_ACCESSOR(MethodDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(MethodDescriptor, full_name)
 PROTOBUF_DEFINE_ACCESSOR(MethodDescriptor, service, const ServiceDescriptor*)
 PROTOBUF_DEFINE_ACCESSOR(MethodDescriptor, input_type, const Descriptor*)
 PROTOBUF_DEFINE_ACCESSOR(MethodDescriptor, output_type, const Descriptor*)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(MethodDescriptor, MethodOptions)
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(MethodDescriptor, MethodOptions);
 PROTOBUF_DEFINE_STRING_ACCESSOR(FileDescriptor, name)
 PROTOBUF_DEFINE_STRING_ACCESSOR(FileDescriptor, package)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, pool, const DescriptorPool*)
@@ -1407,7 +1554,8 @@
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, enum_type_count, int)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, service_count, int)
 PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, extension_count, int)
-PROTOBUF_DEFINE_OPTIONS_ACCESSOR(FileDescriptor, FileOptions)
+PROTOBUF_DEFINE_OPTIONS_ACCESSOR(FileDescriptor, FileOptions);
+PROTOBUF_DEFINE_ACCESSOR(FileDescriptor, is_placeholder, bool)
 
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(FileDescriptor, message_type, const Descriptor*)
 PROTOBUF_DEFINE_ARRAY_ACCESSOR(FileDescriptor, enum_type, const EnumDescriptor*)
@@ -1422,6 +1570,10 @@
 
 // A few accessors differ from the macros...
 
+inline bool Descriptor::IsExtensionNumber(int number) const {
+  return FindExtensionRangeContainingNumber(number) != NULL;
+}
+
 inline bool FieldDescriptor::is_required() const {
   return label() == LABEL_REQUIRED;
 }
@@ -1442,40 +1594,44 @@
 // in the parent's array of children.
 inline int FieldDescriptor::index() const {
   if (!is_extension_) {
-    return this - containing_type_->fields_;
+    return static_cast<int>(this - containing_type_->fields_);
   } else if (extension_scope_ != NULL) {
-    return this - extension_scope_->extensions_;
+    return static_cast<int>(this - extension_scope_->extensions_);
   } else {
-    return this - file_->extensions_;
+    return static_cast<int>(this - file_->extensions_);
   }
 }
 
 inline int Descriptor::index() const {
   if (containing_type_ == NULL) {
-    return this - file_->message_types_;
+    return static_cast<int>(this - file_->message_types_);
   } else {
-    return this - containing_type_->nested_types_;
+    return static_cast<int>(this - containing_type_->nested_types_);
   }
 }
 
+inline int OneofDescriptor::index() const {
+  return static_cast<int>(this - containing_type_->oneof_decls_);
+}
+
 inline int EnumDescriptor::index() const {
   if (containing_type_ == NULL) {
-    return this - file_->enum_types_;
+    return static_cast<int>(this - file_->enum_types_);
   } else {
-    return this - containing_type_->enum_types_;
+    return static_cast<int>(this - containing_type_->enum_types_);
   }
 }
 
 inline int EnumValueDescriptor::index() const {
-  return this - type_->values_;
+  return static_cast<int>(this - type_->values_);
 }
 
 inline int ServiceDescriptor::index() const {
-  return this - file_->services_;
+  return static_cast<int>(this - file_->services_);
 }
 
 inline int MethodDescriptor::index() const {
-  return this - service_->methods_;
+  return static_cast<int>(this - service_->methods_);
 }
 
 inline const char* FieldDescriptor::type_name() const {
@@ -1494,6 +1650,14 @@
   return kTypeToCppTypeMap[type];
 }
 
+inline const char* FieldDescriptor::TypeName(Type type) {
+  return kTypeToName[type];
+}
+
+inline const char* FieldDescriptor::CppTypeName(CppType cpp_type) {
+  return kCppTypeToName[cpp_type];
+}
+
 inline bool FieldDescriptor::IsTypePackable(Type field_type) {
   return (field_type != FieldDescriptor::TYPE_STRING &&
           field_type != FieldDescriptor::TYPE_GROUP &&
@@ -1515,6 +1679,12 @@
   return dependencies_[weak_dependencies_[index]];
 }
 
+// Can't use PROTOBUF_DEFINE_ARRAY_ACCESSOR because fields_ is actually an array
+// of pointers rather than the usual array of objects.
+inline const FieldDescriptor* OneofDescriptor::field(int index) const {
+  return fields_[index];
+}
+
 }  // namespace protobuf
 
 }  // namespace google
diff --git a/include/google/protobuf/descriptor.pb.h b/include/google/protobuf/descriptor.pb.h
index 07cf807..4552181 100644
--- a/include/google/protobuf/descriptor.pb.h
+++ b/include/google/protobuf/descriptor.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 2005000
+#if GOOGLE_PROTOBUF_VERSION < 2006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 2005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 2006001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
@@ -40,6 +40,7 @@
 class DescriptorProto;
 class DescriptorProto_ExtensionRange;
 class FieldDescriptorProto;
+class OneofDescriptorProto;
 class EnumDescriptorProto;
 class EnumValueDescriptorProto;
 class ServiceDescriptorProto;
@@ -200,7 +201,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -224,11 +224,9 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto > file_;
-
+  ::google::protobuf::uint32 _has_bits_[1];
   mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto > file_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -285,7 +283,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -435,6 +432,8 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::std::string* package_;
   ::google::protobuf::RepeatedPtrField< ::std::string> dependency_;
@@ -446,10 +445,6 @@
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto > extension_;
   ::google::protobuf::FileOptions* options_;
   ::google::protobuf::SourceCodeInfo* source_code_info_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(11 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -506,7 +501,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -536,12 +530,10 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::google::protobuf::int32 start_;
   ::google::protobuf::int32 end_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -598,7 +590,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -679,6 +670,18 @@
   inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto_ExtensionRange >*
       mutable_extension_range();
 
+  // repeated .google.protobuf.OneofDescriptorProto oneof_decl = 8;
+  inline int oneof_decl_size() const;
+  inline void clear_oneof_decl();
+  static const int kOneofDeclFieldNumber = 8;
+  inline const ::google::protobuf::OneofDescriptorProto& oneof_decl(int index) const;
+  inline ::google::protobuf::OneofDescriptorProto* mutable_oneof_decl(int index);
+  inline ::google::protobuf::OneofDescriptorProto* add_oneof_decl();
+  inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::OneofDescriptorProto >&
+      oneof_decl() const;
+  inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::OneofDescriptorProto >*
+      mutable_oneof_decl();
+
   // optional .google.protobuf.MessageOptions options = 7;
   inline bool has_options() const;
   inline void clear_options();
@@ -697,17 +700,16 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto > field_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto > extension_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto > nested_type_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto > enum_type_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto_ExtensionRange > extension_range_;
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::OneofDescriptorProto > oneof_decl_;
   ::google::protobuf::MessageOptions* options_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -764,7 +766,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -905,6 +906,13 @@
   inline ::std::string* release_default_value();
   inline void set_allocated_default_value(::std::string* default_value);
 
+  // optional int32 oneof_index = 9;
+  inline bool has_oneof_index() const;
+  inline void clear_oneof_index();
+  static const int kOneofIndexFieldNumber = 9;
+  inline ::google::protobuf::int32 oneof_index() const;
+  inline void set_oneof_index(::google::protobuf::int32 value);
+
   // optional .google.protobuf.FieldOptions options = 8;
   inline bool has_options() const;
   inline void clear_options();
@@ -930,23 +938,24 @@
   inline void clear_has_extendee();
   inline void set_has_default_value();
   inline void clear_has_default_value();
+  inline void set_has_oneof_index();
+  inline void clear_has_oneof_index();
   inline void set_has_options();
   inline void clear_has_options();
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::google::protobuf::int32 number_;
   int label_;
   ::std::string* type_name_;
   ::std::string* extendee_;
+  int type_;
+  ::google::protobuf::int32 oneof_index_;
   ::std::string* default_value_;
   ::google::protobuf::FieldOptions* options_;
-  int type_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(8 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -956,6 +965,90 @@
 };
 // -------------------------------------------------------------------
 
+class LIBPROTOBUF_EXPORT OneofDescriptorProto : public ::google::protobuf::Message {
+ public:
+  OneofDescriptorProto();
+  virtual ~OneofDescriptorProto();
+
+  OneofDescriptorProto(const OneofDescriptorProto& from);
+
+  inline OneofDescriptorProto& operator=(const OneofDescriptorProto& from) {
+    CopyFrom(from);
+    return *this;
+  }
+
+  inline const ::google::protobuf::UnknownFieldSet& unknown_fields() const {
+    return _unknown_fields_;
+  }
+
+  inline ::google::protobuf::UnknownFieldSet* mutable_unknown_fields() {
+    return &_unknown_fields_;
+  }
+
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const OneofDescriptorProto& default_instance();
+
+  void Swap(OneofDescriptorProto* other);
+
+  // implements Message ----------------------------------------------
+
+  OneofDescriptorProto* New() const;
+  void CopyFrom(const ::google::protobuf::Message& from);
+  void MergeFrom(const ::google::protobuf::Message& from);
+  void CopyFrom(const OneofDescriptorProto& from);
+  void MergeFrom(const OneofDescriptorProto& from);
+  void Clear();
+  bool IsInitialized() const;
+
+  int ByteSize() const;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input);
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const;
+  ::google::protobuf::uint8* SerializeWithCachedSizesToArray(::google::protobuf::uint8* output) const;
+  int GetCachedSize() const { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const;
+  public:
+  ::google::protobuf::Metadata GetMetadata() const;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // optional string name = 1;
+  inline bool has_name() const;
+  inline void clear_name();
+  static const int kNameFieldNumber = 1;
+  inline const ::std::string& name() const;
+  inline void set_name(const ::std::string& value);
+  inline void set_name(const char* value);
+  inline void set_name(const char* value, size_t size);
+  inline ::std::string* mutable_name();
+  inline ::std::string* release_name();
+  inline void set_allocated_name(::std::string* name);
+
+  // @@protoc_insertion_point(class_scope:google.protobuf.OneofDescriptorProto)
+ private:
+  inline void set_has_name();
+  inline void clear_has_name();
+
+  ::google::protobuf::UnknownFieldSet _unknown_fields_;
+
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
+  ::std::string* name_;
+  friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
+  friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
+
+  void InitAsDefaultInstance();
+  static OneofDescriptorProto* default_instance_;
+};
+// -------------------------------------------------------------------
+
 class LIBPROTOBUF_EXPORT EnumDescriptorProto : public ::google::protobuf::Message {
  public:
   EnumDescriptorProto();
@@ -1003,7 +1096,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1052,13 +1144,11 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValueDescriptorProto > value_;
   ::google::protobuf::EnumOptions* options_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1115,7 +1205,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1161,13 +1250,11 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::google::protobuf::EnumValueOptions* options_;
   ::google::protobuf::int32 number_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1224,7 +1311,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1273,13 +1359,11 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::MethodDescriptorProto > method_;
   ::google::protobuf::ServiceOptions* options_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1336,7 +1420,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1401,14 +1484,12 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_;
   ::std::string* input_type_;
   ::std::string* output_type_;
   ::google::protobuf::MethodOptions* options_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(4 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1465,7 +1546,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1535,6 +1615,13 @@
   inline bool java_generate_equals_and_hash() const;
   inline void set_java_generate_equals_and_hash(bool value);
 
+  // optional bool java_string_check_utf8 = 27 [default = false];
+  inline bool has_java_string_check_utf8() const;
+  inline void clear_java_string_check_utf8();
+  static const int kJavaStringCheckUtf8FieldNumber = 27;
+  inline bool java_string_check_utf8() const;
+  inline void set_java_string_check_utf8(bool value);
+
   // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
   inline bool has_optimize_for() const;
   inline void clear_optimize_for();
@@ -1575,6 +1662,13 @@
   inline bool py_generic_services() const;
   inline void set_py_generic_services(bool value);
 
+  // optional bool deprecated = 23 [default = false];
+  inline bool has_deprecated() const;
+  inline void clear_deprecated();
+  static const int kDeprecatedFieldNumber = 23;
+  inline bool deprecated() const;
+  inline void set_deprecated(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1598,6 +1692,8 @@
   inline void clear_has_java_multiple_files();
   inline void set_has_java_generate_equals_and_hash();
   inline void clear_has_java_generate_equals_and_hash();
+  inline void set_has_java_string_check_utf8();
+  inline void clear_has_java_string_check_utf8();
   inline void set_has_optimize_for();
   inline void clear_has_optimize_for();
   inline void set_has_go_package();
@@ -1608,25 +1704,27 @@
   inline void clear_has_java_generic_services();
   inline void set_has_py_generic_services();
   inline void clear_has_py_generic_services();
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* java_package_;
   ::std::string* java_outer_classname_;
-  int optimize_for_;
   bool java_multiple_files_;
   bool java_generate_equals_and_hash_;
+  bool java_string_check_utf8_;
   bool cc_generic_services_;
-  bool java_generic_services_;
+  int optimize_for_;
   ::std::string* go_package_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+  bool java_generic_services_;
   bool py_generic_services_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(10 + 31) / 32];
-
+  bool deprecated_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1683,7 +1781,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1704,6 +1801,13 @@
   inline bool no_standard_descriptor_accessor() const;
   inline void set_no_standard_descriptor_accessor(bool value);
 
+  // optional bool deprecated = 3 [default = false];
+  inline bool has_deprecated() const;
+  inline void clear_deprecated();
+  static const int kDeprecatedFieldNumber = 3;
+  inline bool deprecated() const;
+  inline void set_deprecated(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -1723,18 +1827,19 @@
   inline void clear_has_message_set_wire_format();
   inline void set_has_no_standard_descriptor_accessor();
   inline void clear_has_no_standard_descriptor_accessor();
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
   bool message_set_wire_format_;
   bool no_standard_descriptor_accessor_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(3 + 31) / 32];
-
+  bool deprecated_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1791,7 +1896,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -1902,6 +2006,8 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   int ctype_;
   bool packed_;
   bool lazy_;
@@ -1909,10 +2015,6 @@
   bool weak_;
   ::std::string* experimental_map_key_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -1969,20 +2071,26 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
-  // optional bool allow_alias = 2 [default = true];
+  // optional bool allow_alias = 2;
   inline bool has_allow_alias() const;
   inline void clear_allow_alias();
   static const int kAllowAliasFieldNumber = 2;
   inline bool allow_alias() const;
   inline void set_allow_alias(bool value);
 
+  // optional bool deprecated = 3 [default = false];
+  inline bool has_deprecated() const;
+  inline void clear_deprecated();
+  static const int kDeprecatedFieldNumber = 3;
+  inline bool deprecated() const;
+  inline void set_deprecated(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -2000,17 +2108,18 @@
  private:
   inline void set_has_allow_alias();
   inline void clear_has_allow_alias();
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
   bool allow_alias_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-
+  bool deprecated_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2067,13 +2176,19 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
+  // optional bool deprecated = 1 [default = false];
+  inline bool has_deprecated() const;
+  inline void clear_deprecated();
+  static const int kDeprecatedFieldNumber = 1;
+  inline bool deprecated() const;
+  inline void set_deprecated(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -2089,16 +2204,17 @@
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(EnumValueOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.EnumValueOptions)
  private:
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
-
+  ::google::protobuf::uint32 _has_bits_[1];
   mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+  bool deprecated_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2155,13 +2271,19 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
+  // optional bool deprecated = 33 [default = false];
+  inline bool has_deprecated() const;
+  inline void clear_deprecated();
+  static const int kDeprecatedFieldNumber = 33;
+  inline bool deprecated() const;
+  inline void set_deprecated(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -2177,16 +2299,17 @@
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(ServiceOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.ServiceOptions)
  private:
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
-
+  ::google::protobuf::uint32 _has_bits_[1];
   mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+  bool deprecated_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2243,13 +2366,19 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
 
   // accessors -------------------------------------------------------
 
+  // optional bool deprecated = 33 [default = false];
+  inline bool has_deprecated() const;
+  inline void clear_deprecated();
+  static const int kDeprecatedFieldNumber = 33;
+  inline bool deprecated() const;
+  inline void set_deprecated(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   inline int uninterpreted_option_size() const;
   inline void clear_uninterpreted_option();
@@ -2265,16 +2394,17 @@
   GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(MethodOptions)
   // @@protoc_insertion_point(class_scope:google.protobuf.MethodOptions)
  private:
+  inline void set_has_deprecated();
+  inline void clear_has_deprecated();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
-
+  ::google::protobuf::uint32 _has_bits_[1];
   mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
+  bool deprecated_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2331,7 +2461,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -2366,12 +2495,10 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::std::string* name_part_;
   bool is_extension_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(2 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2428,7 +2555,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -2523,6 +2649,8 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption_NamePart > name_;
   ::std::string* identifier_value_;
   ::google::protobuf::uint64 positive_int_value_;
@@ -2530,10 +2658,6 @@
   double double_value_;
   ::std::string* string_value_;
   ::std::string* aggregate_value_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(7 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2590,7 +2714,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -2654,16 +2777,14 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
+  ::google::protobuf::uint32 _has_bits_[1];
+  mutable int _cached_size_;
   ::google::protobuf::RepeatedField< ::google::protobuf::int32 > path_;
   mutable int _path_cached_byte_size_;
   ::google::protobuf::RepeatedField< ::google::protobuf::int32 > span_;
   mutable int _span_cached_byte_size_;
   ::std::string* leading_comments_;
   ::std::string* trailing_comments_;
-
-  mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(4 + 31) / 32];
-
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2720,7 +2841,6 @@
   void SharedDtor();
   void SetCachedSize(int size) const;
   public:
-
   ::google::protobuf::Metadata GetMetadata() const;
 
   // nested types ----------------------------------------------------
@@ -2746,11 +2866,9 @@
 
   ::google::protobuf::UnknownFieldSet _unknown_fields_;
 
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location > location_;
-
+  ::google::protobuf::uint32 _has_bits_[1];
   mutable int _cached_size_;
-  ::google::protobuf::uint32 _has_bits_[(1 + 31) / 32];
-
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location > location_;
   friend void LIBPROTOBUF_EXPORT protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto();
   friend void protobuf_ShutdownFile_google_2fprotobuf_2fdescriptor_2eproto();
@@ -2773,20 +2891,25 @@
   file_.Clear();
 }
 inline const ::google::protobuf::FileDescriptorProto& FileDescriptorSet::file(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorSet.file)
   return file_.Get(index);
 }
 inline ::google::protobuf::FileDescriptorProto* FileDescriptorSet::mutable_file(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorSet.file)
   return file_.Mutable(index);
 }
 inline ::google::protobuf::FileDescriptorProto* FileDescriptorSet::add_file() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorSet.file)
   return file_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto >&
 FileDescriptorSet::file() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorSet.file)
   return file_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FileDescriptorProto >*
 FileDescriptorSet::mutable_file() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorSet.file)
   return &file_;
 }
 
@@ -2805,54 +2928,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void FileDescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& FileDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.name)
   return *name_;
 }
 inline void FileDescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileDescriptorProto.name)
 }
 inline void FileDescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FileDescriptorProto.name)
 }
 inline void FileDescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FileDescriptorProto.name)
 }
 inline ::std::string* FileDescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.name)
   return name_;
 }
 inline ::std::string* FileDescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FileDescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -2860,8 +2988,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileDescriptorProto.name)
 }
 
 // optional string package = 2;
@@ -2875,54 +3004,59 @@
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void FileDescriptorProto::clear_package() {
-  if (package_ != &::google::protobuf::internal::kEmptyString) {
+  if (package_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     package_->clear();
   }
   clear_has_package();
 }
 inline const ::std::string& FileDescriptorProto::package() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.package)
   return *package_;
 }
 inline void FileDescriptorProto::set_package(const ::std::string& value) {
   set_has_package();
-  if (package_ == &::google::protobuf::internal::kEmptyString) {
+  if (package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     package_ = new ::std::string;
   }
   package_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileDescriptorProto.package)
 }
 inline void FileDescriptorProto::set_package(const char* value) {
   set_has_package();
-  if (package_ == &::google::protobuf::internal::kEmptyString) {
+  if (package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     package_ = new ::std::string;
   }
   package_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FileDescriptorProto.package)
 }
 inline void FileDescriptorProto::set_package(const char* value, size_t size) {
   set_has_package();
-  if (package_ == &::google::protobuf::internal::kEmptyString) {
+  if (package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     package_ = new ::std::string;
   }
   package_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FileDescriptorProto.package)
 }
 inline ::std::string* FileDescriptorProto::mutable_package() {
   set_has_package();
-  if (package_ == &::google::protobuf::internal::kEmptyString) {
+  if (package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     package_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.package)
   return package_;
 }
 inline ::std::string* FileDescriptorProto::release_package() {
   clear_has_package();
-  if (package_ == &::google::protobuf::internal::kEmptyString) {
+  if (package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = package_;
-    package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    package_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FileDescriptorProto::set_allocated_package(::std::string* package) {
-  if (package_ != &::google::protobuf::internal::kEmptyString) {
+  if (package_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete package_;
   }
   if (package) {
@@ -2930,8 +3064,9 @@
     package_ = package;
   } else {
     clear_has_package();
-    package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    package_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileDescriptorProto.package)
 }
 
 // repeated string dependency = 3;
@@ -2942,39 +3077,49 @@
   dependency_.Clear();
 }
 inline const ::std::string& FileDescriptorProto::dependency(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.dependency)
   return dependency_.Get(index);
 }
 inline ::std::string* FileDescriptorProto::mutable_dependency(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.dependency)
   return dependency_.Mutable(index);
 }
 inline void FileDescriptorProto::set_dependency(int index, const ::std::string& value) {
+  // @@protoc_insertion_point(field_set:google.protobuf.FileDescriptorProto.dependency)
   dependency_.Mutable(index)->assign(value);
 }
 inline void FileDescriptorProto::set_dependency(int index, const char* value) {
   dependency_.Mutable(index)->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FileDescriptorProto.dependency)
 }
 inline void FileDescriptorProto::set_dependency(int index, const char* value, size_t size) {
   dependency_.Mutable(index)->assign(
     reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FileDescriptorProto.dependency)
 }
 inline ::std::string* FileDescriptorProto::add_dependency() {
   return dependency_.Add();
 }
 inline void FileDescriptorProto::add_dependency(const ::std::string& value) {
   dependency_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.dependency)
 }
 inline void FileDescriptorProto::add_dependency(const char* value) {
   dependency_.Add()->assign(value);
+  // @@protoc_insertion_point(field_add_char:google.protobuf.FileDescriptorProto.dependency)
 }
 inline void FileDescriptorProto::add_dependency(const char* value, size_t size) {
   dependency_.Add()->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_add_pointer:google.protobuf.FileDescriptorProto.dependency)
 }
 inline const ::google::protobuf::RepeatedPtrField< ::std::string>&
 FileDescriptorProto::dependency() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.dependency)
   return dependency_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::std::string>*
 FileDescriptorProto::mutable_dependency() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.dependency)
   return &dependency_;
 }
 
@@ -2986,20 +3131,25 @@
   public_dependency_.Clear();
 }
 inline ::google::protobuf::int32 FileDescriptorProto::public_dependency(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.public_dependency)
   return public_dependency_.Get(index);
 }
 inline void FileDescriptorProto::set_public_dependency(int index, ::google::protobuf::int32 value) {
   public_dependency_.Set(index, value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileDescriptorProto.public_dependency)
 }
 inline void FileDescriptorProto::add_public_dependency(::google::protobuf::int32 value) {
   public_dependency_.Add(value);
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.public_dependency)
 }
 inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
 FileDescriptorProto::public_dependency() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.public_dependency)
   return public_dependency_;
 }
 inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
 FileDescriptorProto::mutable_public_dependency() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.public_dependency)
   return &public_dependency_;
 }
 
@@ -3011,20 +3161,25 @@
   weak_dependency_.Clear();
 }
 inline ::google::protobuf::int32 FileDescriptorProto::weak_dependency(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.weak_dependency)
   return weak_dependency_.Get(index);
 }
 inline void FileDescriptorProto::set_weak_dependency(int index, ::google::protobuf::int32 value) {
   weak_dependency_.Set(index, value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileDescriptorProto.weak_dependency)
 }
 inline void FileDescriptorProto::add_weak_dependency(::google::protobuf::int32 value) {
   weak_dependency_.Add(value);
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.weak_dependency)
 }
 inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
 FileDescriptorProto::weak_dependency() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.weak_dependency)
   return weak_dependency_;
 }
 inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
 FileDescriptorProto::mutable_weak_dependency() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.weak_dependency)
   return &weak_dependency_;
 }
 
@@ -3036,20 +3191,25 @@
   message_type_.Clear();
 }
 inline const ::google::protobuf::DescriptorProto& FileDescriptorProto::message_type(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.message_type)
   return message_type_.Get(index);
 }
 inline ::google::protobuf::DescriptorProto* FileDescriptorProto::mutable_message_type(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.message_type)
   return message_type_.Mutable(index);
 }
 inline ::google::protobuf::DescriptorProto* FileDescriptorProto::add_message_type() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.message_type)
   return message_type_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto >&
 FileDescriptorProto::message_type() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.message_type)
   return message_type_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto >*
 FileDescriptorProto::mutable_message_type() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.message_type)
   return &message_type_;
 }
 
@@ -3061,20 +3221,25 @@
   enum_type_.Clear();
 }
 inline const ::google::protobuf::EnumDescriptorProto& FileDescriptorProto::enum_type(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.enum_type)
   return enum_type_.Get(index);
 }
 inline ::google::protobuf::EnumDescriptorProto* FileDescriptorProto::mutable_enum_type(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.enum_type)
   return enum_type_.Mutable(index);
 }
 inline ::google::protobuf::EnumDescriptorProto* FileDescriptorProto::add_enum_type() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.enum_type)
   return enum_type_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto >&
 FileDescriptorProto::enum_type() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.enum_type)
   return enum_type_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto >*
 FileDescriptorProto::mutable_enum_type() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.enum_type)
   return &enum_type_;
 }
 
@@ -3086,20 +3251,25 @@
   service_.Clear();
 }
 inline const ::google::protobuf::ServiceDescriptorProto& FileDescriptorProto::service(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.service)
   return service_.Get(index);
 }
 inline ::google::protobuf::ServiceDescriptorProto* FileDescriptorProto::mutable_service(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.service)
   return service_.Mutable(index);
 }
 inline ::google::protobuf::ServiceDescriptorProto* FileDescriptorProto::add_service() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.service)
   return service_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::ServiceDescriptorProto >&
 FileDescriptorProto::service() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.service)
   return service_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::ServiceDescriptorProto >*
 FileDescriptorProto::mutable_service() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.service)
   return &service_;
 }
 
@@ -3111,20 +3281,25 @@
   extension_.Clear();
 }
 inline const ::google::protobuf::FieldDescriptorProto& FileDescriptorProto::extension(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.extension)
   return extension_.Get(index);
 }
 inline ::google::protobuf::FieldDescriptorProto* FileDescriptorProto::mutable_extension(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.extension)
   return extension_.Mutable(index);
 }
 inline ::google::protobuf::FieldDescriptorProto* FileDescriptorProto::add_extension() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FileDescriptorProto.extension)
   return extension_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >&
 FileDescriptorProto::extension() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileDescriptorProto.extension)
   return extension_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >*
 FileDescriptorProto::mutable_extension() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileDescriptorProto.extension)
   return &extension_;
 }
 
@@ -3143,11 +3318,13 @@
   clear_has_options();
 }
 inline const ::google::protobuf::FileOptions& FileDescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::FileOptions* FileDescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::FileOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::FileOptions* FileDescriptorProto::release_options() {
@@ -3164,6 +3341,7 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileDescriptorProto.options)
 }
 
 // optional .google.protobuf.SourceCodeInfo source_code_info = 9;
@@ -3181,11 +3359,13 @@
   clear_has_source_code_info();
 }
 inline const ::google::protobuf::SourceCodeInfo& FileDescriptorProto::source_code_info() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileDescriptorProto.source_code_info)
   return source_code_info_ != NULL ? *source_code_info_ : *default_instance_->source_code_info_;
 }
 inline ::google::protobuf::SourceCodeInfo* FileDescriptorProto::mutable_source_code_info() {
   set_has_source_code_info();
   if (source_code_info_ == NULL) source_code_info_ = new ::google::protobuf::SourceCodeInfo;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileDescriptorProto.source_code_info)
   return source_code_info_;
 }
 inline ::google::protobuf::SourceCodeInfo* FileDescriptorProto::release_source_code_info() {
@@ -3202,6 +3382,7 @@
   } else {
     clear_has_source_code_info();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileDescriptorProto.source_code_info)
 }
 
 // -------------------------------------------------------------------
@@ -3223,11 +3404,13 @@
   clear_has_start();
 }
 inline ::google::protobuf::int32 DescriptorProto_ExtensionRange::start() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.ExtensionRange.start)
   return start_;
 }
 inline void DescriptorProto_ExtensionRange::set_start(::google::protobuf::int32 value) {
   set_has_start();
   start_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.DescriptorProto.ExtensionRange.start)
 }
 
 // optional int32 end = 2;
@@ -3245,11 +3428,13 @@
   clear_has_end();
 }
 inline ::google::protobuf::int32 DescriptorProto_ExtensionRange::end() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.ExtensionRange.end)
   return end_;
 }
 inline void DescriptorProto_ExtensionRange::set_end(::google::protobuf::int32 value) {
   set_has_end();
   end_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.DescriptorProto.ExtensionRange.end)
 }
 
 // -------------------------------------------------------------------
@@ -3267,54 +3452,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void DescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& DescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.name)
   return *name_;
 }
 inline void DescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.DescriptorProto.name)
 }
 inline void DescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.DescriptorProto.name)
 }
 inline void DescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.DescriptorProto.name)
 }
 inline ::std::string* DescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.name)
   return name_;
 }
 inline ::std::string* DescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void DescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -3322,8 +3512,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.DescriptorProto.name)
 }
 
 // repeated .google.protobuf.FieldDescriptorProto field = 2;
@@ -3334,20 +3525,25 @@
   field_.Clear();
 }
 inline const ::google::protobuf::FieldDescriptorProto& DescriptorProto::field(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.field)
   return field_.Get(index);
 }
 inline ::google::protobuf::FieldDescriptorProto* DescriptorProto::mutable_field(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.field)
   return field_.Mutable(index);
 }
 inline ::google::protobuf::FieldDescriptorProto* DescriptorProto::add_field() {
+  // @@protoc_insertion_point(field_add:google.protobuf.DescriptorProto.field)
   return field_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >&
 DescriptorProto::field() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.DescriptorProto.field)
   return field_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >*
 DescriptorProto::mutable_field() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.DescriptorProto.field)
   return &field_;
 }
 
@@ -3359,20 +3555,25 @@
   extension_.Clear();
 }
 inline const ::google::protobuf::FieldDescriptorProto& DescriptorProto::extension(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.extension)
   return extension_.Get(index);
 }
 inline ::google::protobuf::FieldDescriptorProto* DescriptorProto::mutable_extension(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.extension)
   return extension_.Mutable(index);
 }
 inline ::google::protobuf::FieldDescriptorProto* DescriptorProto::add_extension() {
+  // @@protoc_insertion_point(field_add:google.protobuf.DescriptorProto.extension)
   return extension_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >&
 DescriptorProto::extension() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.DescriptorProto.extension)
   return extension_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::FieldDescriptorProto >*
 DescriptorProto::mutable_extension() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.DescriptorProto.extension)
   return &extension_;
 }
 
@@ -3384,20 +3585,25 @@
   nested_type_.Clear();
 }
 inline const ::google::protobuf::DescriptorProto& DescriptorProto::nested_type(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.nested_type)
   return nested_type_.Get(index);
 }
 inline ::google::protobuf::DescriptorProto* DescriptorProto::mutable_nested_type(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.nested_type)
   return nested_type_.Mutable(index);
 }
 inline ::google::protobuf::DescriptorProto* DescriptorProto::add_nested_type() {
+  // @@protoc_insertion_point(field_add:google.protobuf.DescriptorProto.nested_type)
   return nested_type_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto >&
 DescriptorProto::nested_type() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.DescriptorProto.nested_type)
   return nested_type_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto >*
 DescriptorProto::mutable_nested_type() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.DescriptorProto.nested_type)
   return &nested_type_;
 }
 
@@ -3409,20 +3615,25 @@
   enum_type_.Clear();
 }
 inline const ::google::protobuf::EnumDescriptorProto& DescriptorProto::enum_type(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.enum_type)
   return enum_type_.Get(index);
 }
 inline ::google::protobuf::EnumDescriptorProto* DescriptorProto::mutable_enum_type(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.enum_type)
   return enum_type_.Mutable(index);
 }
 inline ::google::protobuf::EnumDescriptorProto* DescriptorProto::add_enum_type() {
+  // @@protoc_insertion_point(field_add:google.protobuf.DescriptorProto.enum_type)
   return enum_type_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto >&
 DescriptorProto::enum_type() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.DescriptorProto.enum_type)
   return enum_type_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumDescriptorProto >*
 DescriptorProto::mutable_enum_type() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.DescriptorProto.enum_type)
   return &enum_type_;
 }
 
@@ -3434,43 +3645,80 @@
   extension_range_.Clear();
 }
 inline const ::google::protobuf::DescriptorProto_ExtensionRange& DescriptorProto::extension_range(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.extension_range)
   return extension_range_.Get(index);
 }
 inline ::google::protobuf::DescriptorProto_ExtensionRange* DescriptorProto::mutable_extension_range(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.extension_range)
   return extension_range_.Mutable(index);
 }
 inline ::google::protobuf::DescriptorProto_ExtensionRange* DescriptorProto::add_extension_range() {
+  // @@protoc_insertion_point(field_add:google.protobuf.DescriptorProto.extension_range)
   return extension_range_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto_ExtensionRange >&
 DescriptorProto::extension_range() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.DescriptorProto.extension_range)
   return extension_range_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::DescriptorProto_ExtensionRange >*
 DescriptorProto::mutable_extension_range() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.DescriptorProto.extension_range)
   return &extension_range_;
 }
 
+// repeated .google.protobuf.OneofDescriptorProto oneof_decl = 8;
+inline int DescriptorProto::oneof_decl_size() const {
+  return oneof_decl_.size();
+}
+inline void DescriptorProto::clear_oneof_decl() {
+  oneof_decl_.Clear();
+}
+inline const ::google::protobuf::OneofDescriptorProto& DescriptorProto::oneof_decl(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.oneof_decl)
+  return oneof_decl_.Get(index);
+}
+inline ::google::protobuf::OneofDescriptorProto* DescriptorProto::mutable_oneof_decl(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.oneof_decl)
+  return oneof_decl_.Mutable(index);
+}
+inline ::google::protobuf::OneofDescriptorProto* DescriptorProto::add_oneof_decl() {
+  // @@protoc_insertion_point(field_add:google.protobuf.DescriptorProto.oneof_decl)
+  return oneof_decl_.Add();
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::OneofDescriptorProto >&
+DescriptorProto::oneof_decl() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.DescriptorProto.oneof_decl)
+  return oneof_decl_;
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::OneofDescriptorProto >*
+DescriptorProto::mutable_oneof_decl() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.DescriptorProto.oneof_decl)
+  return &oneof_decl_;
+}
+
 // optional .google.protobuf.MessageOptions options = 7;
 inline bool DescriptorProto::has_options() const {
-  return (_has_bits_[0] & 0x00000040u) != 0;
+  return (_has_bits_[0] & 0x00000080u) != 0;
 }
 inline void DescriptorProto::set_has_options() {
-  _has_bits_[0] |= 0x00000040u;
+  _has_bits_[0] |= 0x00000080u;
 }
 inline void DescriptorProto::clear_has_options() {
-  _has_bits_[0] &= ~0x00000040u;
+  _has_bits_[0] &= ~0x00000080u;
 }
 inline void DescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::MessageOptions::Clear();
   clear_has_options();
 }
 inline const ::google::protobuf::MessageOptions& DescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.DescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::MessageOptions* DescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::MessageOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.DescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::MessageOptions* DescriptorProto::release_options() {
@@ -3487,6 +3735,7 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.DescriptorProto.options)
 }
 
 // -------------------------------------------------------------------
@@ -3504,54 +3753,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void FieldDescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& FieldDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.name)
   return *name_;
 }
 inline void FieldDescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.name)
 }
 inline void FieldDescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FieldDescriptorProto.name)
 }
 inline void FieldDescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FieldDescriptorProto.name)
 }
 inline ::std::string* FieldDescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldDescriptorProto.name)
   return name_;
 }
 inline ::std::string* FieldDescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FieldDescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -3559,8 +3813,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FieldDescriptorProto.name)
 }
 
 // optional int32 number = 3;
@@ -3578,11 +3833,13 @@
   clear_has_number();
 }
 inline ::google::protobuf::int32 FieldDescriptorProto::number() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.number)
   return number_;
 }
 inline void FieldDescriptorProto::set_number(::google::protobuf::int32 value) {
   set_has_number();
   number_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.number)
 }
 
 // optional .google.protobuf.FieldDescriptorProto.Label label = 4;
@@ -3600,12 +3857,14 @@
   clear_has_label();
 }
 inline ::google::protobuf::FieldDescriptorProto_Label FieldDescriptorProto::label() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.label)
   return static_cast< ::google::protobuf::FieldDescriptorProto_Label >(label_);
 }
 inline void FieldDescriptorProto::set_label(::google::protobuf::FieldDescriptorProto_Label value) {
   assert(::google::protobuf::FieldDescriptorProto_Label_IsValid(value));
   set_has_label();
   label_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.label)
 }
 
 // optional .google.protobuf.FieldDescriptorProto.Type type = 5;
@@ -3623,12 +3882,14 @@
   clear_has_type();
 }
 inline ::google::protobuf::FieldDescriptorProto_Type FieldDescriptorProto::type() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.type)
   return static_cast< ::google::protobuf::FieldDescriptorProto_Type >(type_);
 }
 inline void FieldDescriptorProto::set_type(::google::protobuf::FieldDescriptorProto_Type value) {
   assert(::google::protobuf::FieldDescriptorProto_Type_IsValid(value));
   set_has_type();
   type_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.type)
 }
 
 // optional string type_name = 6;
@@ -3642,54 +3903,59 @@
   _has_bits_[0] &= ~0x00000010u;
 }
 inline void FieldDescriptorProto::clear_type_name() {
-  if (type_name_ != &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     type_name_->clear();
   }
   clear_has_type_name();
 }
 inline const ::std::string& FieldDescriptorProto::type_name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.type_name)
   return *type_name_;
 }
 inline void FieldDescriptorProto::set_type_name(const ::std::string& value) {
   set_has_type_name();
-  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     type_name_ = new ::std::string;
   }
   type_name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.type_name)
 }
 inline void FieldDescriptorProto::set_type_name(const char* value) {
   set_has_type_name();
-  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     type_name_ = new ::std::string;
   }
   type_name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FieldDescriptorProto.type_name)
 }
 inline void FieldDescriptorProto::set_type_name(const char* value, size_t size) {
   set_has_type_name();
-  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     type_name_ = new ::std::string;
   }
   type_name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FieldDescriptorProto.type_name)
 }
 inline ::std::string* FieldDescriptorProto::mutable_type_name() {
   set_has_type_name();
-  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     type_name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldDescriptorProto.type_name)
   return type_name_;
 }
 inline ::std::string* FieldDescriptorProto::release_type_name() {
   clear_has_type_name();
-  if (type_name_ == &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = type_name_;
-    type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FieldDescriptorProto::set_allocated_type_name(::std::string* type_name) {
-  if (type_name_ != &::google::protobuf::internal::kEmptyString) {
+  if (type_name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete type_name_;
   }
   if (type_name) {
@@ -3697,8 +3963,9 @@
     type_name_ = type_name;
   } else {
     clear_has_type_name();
-    type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    type_name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FieldDescriptorProto.type_name)
 }
 
 // optional string extendee = 2;
@@ -3712,54 +3979,59 @@
   _has_bits_[0] &= ~0x00000020u;
 }
 inline void FieldDescriptorProto::clear_extendee() {
-  if (extendee_ != &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     extendee_->clear();
   }
   clear_has_extendee();
 }
 inline const ::std::string& FieldDescriptorProto::extendee() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.extendee)
   return *extendee_;
 }
 inline void FieldDescriptorProto::set_extendee(const ::std::string& value) {
   set_has_extendee();
-  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     extendee_ = new ::std::string;
   }
   extendee_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.extendee)
 }
 inline void FieldDescriptorProto::set_extendee(const char* value) {
   set_has_extendee();
-  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     extendee_ = new ::std::string;
   }
   extendee_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FieldDescriptorProto.extendee)
 }
 inline void FieldDescriptorProto::set_extendee(const char* value, size_t size) {
   set_has_extendee();
-  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     extendee_ = new ::std::string;
   }
   extendee_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FieldDescriptorProto.extendee)
 }
 inline ::std::string* FieldDescriptorProto::mutable_extendee() {
   set_has_extendee();
-  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     extendee_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldDescriptorProto.extendee)
   return extendee_;
 }
 inline ::std::string* FieldDescriptorProto::release_extendee() {
   clear_has_extendee();
-  if (extendee_ == &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = extendee_;
-    extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FieldDescriptorProto::set_allocated_extendee(::std::string* extendee) {
-  if (extendee_ != &::google::protobuf::internal::kEmptyString) {
+  if (extendee_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete extendee_;
   }
   if (extendee) {
@@ -3767,8 +4039,9 @@
     extendee_ = extendee;
   } else {
     clear_has_extendee();
-    extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    extendee_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FieldDescriptorProto.extendee)
 }
 
 // optional string default_value = 7;
@@ -3782,54 +4055,59 @@
   _has_bits_[0] &= ~0x00000040u;
 }
 inline void FieldDescriptorProto::clear_default_value() {
-  if (default_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     default_value_->clear();
   }
   clear_has_default_value();
 }
 inline const ::std::string& FieldDescriptorProto::default_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.default_value)
   return *default_value_;
 }
 inline void FieldDescriptorProto::set_default_value(const ::std::string& value) {
   set_has_default_value();
-  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     default_value_ = new ::std::string;
   }
   default_value_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.default_value)
 }
 inline void FieldDescriptorProto::set_default_value(const char* value) {
   set_has_default_value();
-  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     default_value_ = new ::std::string;
   }
   default_value_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FieldDescriptorProto.default_value)
 }
 inline void FieldDescriptorProto::set_default_value(const char* value, size_t size) {
   set_has_default_value();
-  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     default_value_ = new ::std::string;
   }
   default_value_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FieldDescriptorProto.default_value)
 }
 inline ::std::string* FieldDescriptorProto::mutable_default_value() {
   set_has_default_value();
-  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     default_value_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldDescriptorProto.default_value)
   return default_value_;
 }
 inline ::std::string* FieldDescriptorProto::release_default_value() {
   clear_has_default_value();
-  if (default_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = default_value_;
-    default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FieldDescriptorProto::set_allocated_default_value(::std::string* default_value) {
-  if (default_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (default_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete default_value_;
   }
   if (default_value) {
@@ -3837,30 +4115,57 @@
     default_value_ = default_value;
   } else {
     clear_has_default_value();
-    default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    default_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FieldDescriptorProto.default_value)
+}
+
+// optional int32 oneof_index = 9;
+inline bool FieldDescriptorProto::has_oneof_index() const {
+  return (_has_bits_[0] & 0x00000080u) != 0;
+}
+inline void FieldDescriptorProto::set_has_oneof_index() {
+  _has_bits_[0] |= 0x00000080u;
+}
+inline void FieldDescriptorProto::clear_has_oneof_index() {
+  _has_bits_[0] &= ~0x00000080u;
+}
+inline void FieldDescriptorProto::clear_oneof_index() {
+  oneof_index_ = 0;
+  clear_has_oneof_index();
+}
+inline ::google::protobuf::int32 FieldDescriptorProto::oneof_index() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.oneof_index)
+  return oneof_index_;
+}
+inline void FieldDescriptorProto::set_oneof_index(::google::protobuf::int32 value) {
+  set_has_oneof_index();
+  oneof_index_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldDescriptorProto.oneof_index)
 }
 
 // optional .google.protobuf.FieldOptions options = 8;
 inline bool FieldDescriptorProto::has_options() const {
-  return (_has_bits_[0] & 0x00000080u) != 0;
+  return (_has_bits_[0] & 0x00000100u) != 0;
 }
 inline void FieldDescriptorProto::set_has_options() {
-  _has_bits_[0] |= 0x00000080u;
+  _has_bits_[0] |= 0x00000100u;
 }
 inline void FieldDescriptorProto::clear_has_options() {
-  _has_bits_[0] &= ~0x00000080u;
+  _has_bits_[0] &= ~0x00000100u;
 }
 inline void FieldDescriptorProto::clear_options() {
   if (options_ != NULL) options_->::google::protobuf::FieldOptions::Clear();
   clear_has_options();
 }
 inline const ::google::protobuf::FieldOptions& FieldDescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldDescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::FieldOptions* FieldDescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::FieldOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldDescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::FieldOptions* FieldDescriptorProto::release_options() {
@@ -3877,6 +4182,87 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FieldDescriptorProto.options)
+}
+
+// -------------------------------------------------------------------
+
+// OneofDescriptorProto
+
+// optional string name = 1;
+inline bool OneofDescriptorProto::has_name() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void OneofDescriptorProto::set_has_name() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void OneofDescriptorProto::clear_has_name() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void OneofDescriptorProto::clear_name() {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_->clear();
+  }
+  clear_has_name();
+}
+inline const ::std::string& OneofDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.OneofDescriptorProto.name)
+  return *name_;
+}
+inline void OneofDescriptorProto::set_name(const ::std::string& value) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.OneofDescriptorProto.name)
+}
+inline void OneofDescriptorProto::set_name(const char* value) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.OneofDescriptorProto.name)
+}
+inline void OneofDescriptorProto::set_name(const char* value, size_t size) {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.OneofDescriptorProto.name)
+}
+inline ::std::string* OneofDescriptorProto::mutable_name() {
+  set_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    name_ = new ::std::string;
+  }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.OneofDescriptorProto.name)
+  return name_;
+}
+inline ::std::string* OneofDescriptorProto::release_name() {
+  clear_has_name();
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    return NULL;
+  } else {
+    ::std::string* temp = name_;
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+    return temp;
+  }
+}
+inline void OneofDescriptorProto::set_allocated_name(::std::string* name) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
+    delete name_;
+  }
+  if (name) {
+    set_has_name();
+    name_ = name;
+  } else {
+    clear_has_name();
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.OneofDescriptorProto.name)
 }
 
 // -------------------------------------------------------------------
@@ -3894,54 +4280,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void EnumDescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& EnumDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumDescriptorProto.name)
   return *name_;
 }
 inline void EnumDescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.EnumDescriptorProto.name)
 }
 inline void EnumDescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.EnumDescriptorProto.name)
 }
 inline void EnumDescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.EnumDescriptorProto.name)
 }
 inline ::std::string* EnumDescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumDescriptorProto.name)
   return name_;
 }
 inline ::std::string* EnumDescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void EnumDescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -3949,8 +4340,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.EnumDescriptorProto.name)
 }
 
 // repeated .google.protobuf.EnumValueDescriptorProto value = 2;
@@ -3961,20 +4353,25 @@
   value_.Clear();
 }
 inline const ::google::protobuf::EnumValueDescriptorProto& EnumDescriptorProto::value(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumDescriptorProto.value)
   return value_.Get(index);
 }
 inline ::google::protobuf::EnumValueDescriptorProto* EnumDescriptorProto::mutable_value(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumDescriptorProto.value)
   return value_.Mutable(index);
 }
 inline ::google::protobuf::EnumValueDescriptorProto* EnumDescriptorProto::add_value() {
+  // @@protoc_insertion_point(field_add:google.protobuf.EnumDescriptorProto.value)
   return value_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValueDescriptorProto >&
 EnumDescriptorProto::value() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.EnumDescriptorProto.value)
   return value_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValueDescriptorProto >*
 EnumDescriptorProto::mutable_value() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.EnumDescriptorProto.value)
   return &value_;
 }
 
@@ -3993,11 +4390,13 @@
   clear_has_options();
 }
 inline const ::google::protobuf::EnumOptions& EnumDescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumDescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::EnumOptions* EnumDescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::EnumOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumDescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::EnumOptions* EnumDescriptorProto::release_options() {
@@ -4014,6 +4413,7 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.EnumDescriptorProto.options)
 }
 
 // -------------------------------------------------------------------
@@ -4031,54 +4431,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void EnumValueDescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& EnumValueDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumValueDescriptorProto.name)
   return *name_;
 }
 inline void EnumValueDescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.EnumValueDescriptorProto.name)
 }
 inline void EnumValueDescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.EnumValueDescriptorProto.name)
 }
 inline void EnumValueDescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.EnumValueDescriptorProto.name)
 }
 inline ::std::string* EnumValueDescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumValueDescriptorProto.name)
   return name_;
 }
 inline ::std::string* EnumValueDescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void EnumValueDescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -4086,8 +4491,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.EnumValueDescriptorProto.name)
 }
 
 // optional int32 number = 2;
@@ -4105,11 +4511,13 @@
   clear_has_number();
 }
 inline ::google::protobuf::int32 EnumValueDescriptorProto::number() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumValueDescriptorProto.number)
   return number_;
 }
 inline void EnumValueDescriptorProto::set_number(::google::protobuf::int32 value) {
   set_has_number();
   number_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.EnumValueDescriptorProto.number)
 }
 
 // optional .google.protobuf.EnumValueOptions options = 3;
@@ -4127,11 +4535,13 @@
   clear_has_options();
 }
 inline const ::google::protobuf::EnumValueOptions& EnumValueDescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumValueDescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::EnumValueOptions* EnumValueDescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::EnumValueOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumValueDescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::EnumValueOptions* EnumValueDescriptorProto::release_options() {
@@ -4148,6 +4558,7 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.EnumValueDescriptorProto.options)
 }
 
 // -------------------------------------------------------------------
@@ -4165,54 +4576,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void ServiceDescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& ServiceDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.ServiceDescriptorProto.name)
   return *name_;
 }
 inline void ServiceDescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.ServiceDescriptorProto.name)
 }
 inline void ServiceDescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.ServiceDescriptorProto.name)
 }
 inline void ServiceDescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.ServiceDescriptorProto.name)
 }
 inline ::std::string* ServiceDescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.ServiceDescriptorProto.name)
   return name_;
 }
 inline ::std::string* ServiceDescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void ServiceDescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -4220,8 +4636,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.ServiceDescriptorProto.name)
 }
 
 // repeated .google.protobuf.MethodDescriptorProto method = 2;
@@ -4232,20 +4649,25 @@
   method_.Clear();
 }
 inline const ::google::protobuf::MethodDescriptorProto& ServiceDescriptorProto::method(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.ServiceDescriptorProto.method)
   return method_.Get(index);
 }
 inline ::google::protobuf::MethodDescriptorProto* ServiceDescriptorProto::mutable_method(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.ServiceDescriptorProto.method)
   return method_.Mutable(index);
 }
 inline ::google::protobuf::MethodDescriptorProto* ServiceDescriptorProto::add_method() {
+  // @@protoc_insertion_point(field_add:google.protobuf.ServiceDescriptorProto.method)
   return method_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::MethodDescriptorProto >&
 ServiceDescriptorProto::method() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.ServiceDescriptorProto.method)
   return method_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::MethodDescriptorProto >*
 ServiceDescriptorProto::mutable_method() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.ServiceDescriptorProto.method)
   return &method_;
 }
 
@@ -4264,11 +4686,13 @@
   clear_has_options();
 }
 inline const ::google::protobuf::ServiceOptions& ServiceDescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.ServiceDescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::ServiceOptions* ServiceDescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::ServiceOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.ServiceDescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::ServiceOptions* ServiceDescriptorProto::release_options() {
@@ -4285,6 +4709,7 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.ServiceDescriptorProto.options)
 }
 
 // -------------------------------------------------------------------
@@ -4302,54 +4727,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void MethodDescriptorProto::clear_name() {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_->clear();
   }
   clear_has_name();
 }
 inline const ::std::string& MethodDescriptorProto::name() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MethodDescriptorProto.name)
   return *name_;
 }
 inline void MethodDescriptorProto::set_name(const ::std::string& value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.MethodDescriptorProto.name)
 }
 inline void MethodDescriptorProto::set_name(const char* value) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.MethodDescriptorProto.name)
 }
 inline void MethodDescriptorProto::set_name(const char* value, size_t size) {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
   name_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.MethodDescriptorProto.name)
 }
 inline ::std::string* MethodDescriptorProto::mutable_name() {
   set_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.MethodDescriptorProto.name)
   return name_;
 }
 inline ::std::string* MethodDescriptorProto::release_name() {
   clear_has_name();
-  if (name_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_;
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void MethodDescriptorProto::set_allocated_name(::std::string* name) {
-  if (name_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_;
   }
   if (name) {
@@ -4357,8 +4787,9 @@
     name_ = name;
   } else {
     clear_has_name();
-    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.MethodDescriptorProto.name)
 }
 
 // optional string input_type = 2;
@@ -4372,54 +4803,59 @@
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void MethodDescriptorProto::clear_input_type() {
-  if (input_type_ != &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     input_type_->clear();
   }
   clear_has_input_type();
 }
 inline const ::std::string& MethodDescriptorProto::input_type() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MethodDescriptorProto.input_type)
   return *input_type_;
 }
 inline void MethodDescriptorProto::set_input_type(const ::std::string& value) {
   set_has_input_type();
-  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     input_type_ = new ::std::string;
   }
   input_type_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.MethodDescriptorProto.input_type)
 }
 inline void MethodDescriptorProto::set_input_type(const char* value) {
   set_has_input_type();
-  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     input_type_ = new ::std::string;
   }
   input_type_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.MethodDescriptorProto.input_type)
 }
 inline void MethodDescriptorProto::set_input_type(const char* value, size_t size) {
   set_has_input_type();
-  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     input_type_ = new ::std::string;
   }
   input_type_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.MethodDescriptorProto.input_type)
 }
 inline ::std::string* MethodDescriptorProto::mutable_input_type() {
   set_has_input_type();
-  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     input_type_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.MethodDescriptorProto.input_type)
   return input_type_;
 }
 inline ::std::string* MethodDescriptorProto::release_input_type() {
   clear_has_input_type();
-  if (input_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = input_type_;
-    input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void MethodDescriptorProto::set_allocated_input_type(::std::string* input_type) {
-  if (input_type_ != &::google::protobuf::internal::kEmptyString) {
+  if (input_type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete input_type_;
   }
   if (input_type) {
@@ -4427,8 +4863,9 @@
     input_type_ = input_type;
   } else {
     clear_has_input_type();
-    input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    input_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.MethodDescriptorProto.input_type)
 }
 
 // optional string output_type = 3;
@@ -4442,54 +4879,59 @@
   _has_bits_[0] &= ~0x00000004u;
 }
 inline void MethodDescriptorProto::clear_output_type() {
-  if (output_type_ != &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     output_type_->clear();
   }
   clear_has_output_type();
 }
 inline const ::std::string& MethodDescriptorProto::output_type() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MethodDescriptorProto.output_type)
   return *output_type_;
 }
 inline void MethodDescriptorProto::set_output_type(const ::std::string& value) {
   set_has_output_type();
-  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     output_type_ = new ::std::string;
   }
   output_type_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.MethodDescriptorProto.output_type)
 }
 inline void MethodDescriptorProto::set_output_type(const char* value) {
   set_has_output_type();
-  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     output_type_ = new ::std::string;
   }
   output_type_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.MethodDescriptorProto.output_type)
 }
 inline void MethodDescriptorProto::set_output_type(const char* value, size_t size) {
   set_has_output_type();
-  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     output_type_ = new ::std::string;
   }
   output_type_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.MethodDescriptorProto.output_type)
 }
 inline ::std::string* MethodDescriptorProto::mutable_output_type() {
   set_has_output_type();
-  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     output_type_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.MethodDescriptorProto.output_type)
   return output_type_;
 }
 inline ::std::string* MethodDescriptorProto::release_output_type() {
   clear_has_output_type();
-  if (output_type_ == &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = output_type_;
-    output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void MethodDescriptorProto::set_allocated_output_type(::std::string* output_type) {
-  if (output_type_ != &::google::protobuf::internal::kEmptyString) {
+  if (output_type_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete output_type_;
   }
   if (output_type) {
@@ -4497,8 +4939,9 @@
     output_type_ = output_type;
   } else {
     clear_has_output_type();
-    output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    output_type_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.MethodDescriptorProto.output_type)
 }
 
 // optional .google.protobuf.MethodOptions options = 4;
@@ -4516,11 +4959,13 @@
   clear_has_options();
 }
 inline const ::google::protobuf::MethodOptions& MethodDescriptorProto::options() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MethodDescriptorProto.options)
   return options_ != NULL ? *options_ : *default_instance_->options_;
 }
 inline ::google::protobuf::MethodOptions* MethodDescriptorProto::mutable_options() {
   set_has_options();
   if (options_ == NULL) options_ = new ::google::protobuf::MethodOptions;
+  // @@protoc_insertion_point(field_mutable:google.protobuf.MethodDescriptorProto.options)
   return options_;
 }
 inline ::google::protobuf::MethodOptions* MethodDescriptorProto::release_options() {
@@ -4537,6 +4982,7 @@
   } else {
     clear_has_options();
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.MethodDescriptorProto.options)
 }
 
 // -------------------------------------------------------------------
@@ -4554,54 +5000,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void FileOptions::clear_java_package() {
-  if (java_package_ != &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_package_->clear();
   }
   clear_has_java_package();
 }
 inline const ::std::string& FileOptions::java_package() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.java_package)
   return *java_package_;
 }
 inline void FileOptions::set_java_package(const ::std::string& value) {
   set_has_java_package();
-  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_package_ = new ::std::string;
   }
   java_package_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.java_package)
 }
 inline void FileOptions::set_java_package(const char* value) {
   set_has_java_package();
-  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_package_ = new ::std::string;
   }
   java_package_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FileOptions.java_package)
 }
 inline void FileOptions::set_java_package(const char* value, size_t size) {
   set_has_java_package();
-  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_package_ = new ::std::string;
   }
   java_package_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FileOptions.java_package)
 }
 inline ::std::string* FileOptions::mutable_java_package() {
   set_has_java_package();
-  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_package_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileOptions.java_package)
   return java_package_;
 }
 inline ::std::string* FileOptions::release_java_package() {
   clear_has_java_package();
-  if (java_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = java_package_;
-    java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FileOptions::set_allocated_java_package(::std::string* java_package) {
-  if (java_package_ != &::google::protobuf::internal::kEmptyString) {
+  if (java_package_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete java_package_;
   }
   if (java_package) {
@@ -4609,8 +5060,9 @@
     java_package_ = java_package;
   } else {
     clear_has_java_package();
-    java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    java_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileOptions.java_package)
 }
 
 // optional string java_outer_classname = 8;
@@ -4624,54 +5076,59 @@
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void FileOptions::clear_java_outer_classname() {
-  if (java_outer_classname_ != &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_outer_classname_->clear();
   }
   clear_has_java_outer_classname();
 }
 inline const ::std::string& FileOptions::java_outer_classname() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.java_outer_classname)
   return *java_outer_classname_;
 }
 inline void FileOptions::set_java_outer_classname(const ::std::string& value) {
   set_has_java_outer_classname();
-  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_outer_classname_ = new ::std::string;
   }
   java_outer_classname_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.java_outer_classname)
 }
 inline void FileOptions::set_java_outer_classname(const char* value) {
   set_has_java_outer_classname();
-  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_outer_classname_ = new ::std::string;
   }
   java_outer_classname_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FileOptions.java_outer_classname)
 }
 inline void FileOptions::set_java_outer_classname(const char* value, size_t size) {
   set_has_java_outer_classname();
-  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_outer_classname_ = new ::std::string;
   }
   java_outer_classname_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FileOptions.java_outer_classname)
 }
 inline ::std::string* FileOptions::mutable_java_outer_classname() {
   set_has_java_outer_classname();
-  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     java_outer_classname_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileOptions.java_outer_classname)
   return java_outer_classname_;
 }
 inline ::std::string* FileOptions::release_java_outer_classname() {
   clear_has_java_outer_classname();
-  if (java_outer_classname_ == &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = java_outer_classname_;
-    java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FileOptions::set_allocated_java_outer_classname(::std::string* java_outer_classname) {
-  if (java_outer_classname_ != &::google::protobuf::internal::kEmptyString) {
+  if (java_outer_classname_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete java_outer_classname_;
   }
   if (java_outer_classname) {
@@ -4679,8 +5136,9 @@
     java_outer_classname_ = java_outer_classname;
   } else {
     clear_has_java_outer_classname();
-    java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    java_outer_classname_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileOptions.java_outer_classname)
 }
 
 // optional bool java_multiple_files = 10 [default = false];
@@ -4698,11 +5156,13 @@
   clear_has_java_multiple_files();
 }
 inline bool FileOptions::java_multiple_files() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.java_multiple_files)
   return java_multiple_files_;
 }
 inline void FileOptions::set_java_multiple_files(bool value) {
   set_has_java_multiple_files();
   java_multiple_files_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.java_multiple_files)
 }
 
 // optional bool java_generate_equals_and_hash = 20 [default = false];
@@ -4720,95 +5180,128 @@
   clear_has_java_generate_equals_and_hash();
 }
 inline bool FileOptions::java_generate_equals_and_hash() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.java_generate_equals_and_hash)
   return java_generate_equals_and_hash_;
 }
 inline void FileOptions::set_java_generate_equals_and_hash(bool value) {
   set_has_java_generate_equals_and_hash();
   java_generate_equals_and_hash_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.java_generate_equals_and_hash)
+}
+
+// optional bool java_string_check_utf8 = 27 [default = false];
+inline bool FileOptions::has_java_string_check_utf8() const {
+  return (_has_bits_[0] & 0x00000010u) != 0;
+}
+inline void FileOptions::set_has_java_string_check_utf8() {
+  _has_bits_[0] |= 0x00000010u;
+}
+inline void FileOptions::clear_has_java_string_check_utf8() {
+  _has_bits_[0] &= ~0x00000010u;
+}
+inline void FileOptions::clear_java_string_check_utf8() {
+  java_string_check_utf8_ = false;
+  clear_has_java_string_check_utf8();
+}
+inline bool FileOptions::java_string_check_utf8() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.java_string_check_utf8)
+  return java_string_check_utf8_;
+}
+inline void FileOptions::set_java_string_check_utf8(bool value) {
+  set_has_java_string_check_utf8();
+  java_string_check_utf8_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.java_string_check_utf8)
 }
 
 // optional .google.protobuf.FileOptions.OptimizeMode optimize_for = 9 [default = SPEED];
 inline bool FileOptions::has_optimize_for() const {
-  return (_has_bits_[0] & 0x00000010u) != 0;
+  return (_has_bits_[0] & 0x00000020u) != 0;
 }
 inline void FileOptions::set_has_optimize_for() {
-  _has_bits_[0] |= 0x00000010u;
+  _has_bits_[0] |= 0x00000020u;
 }
 inline void FileOptions::clear_has_optimize_for() {
-  _has_bits_[0] &= ~0x00000010u;
+  _has_bits_[0] &= ~0x00000020u;
 }
 inline void FileOptions::clear_optimize_for() {
   optimize_for_ = 1;
   clear_has_optimize_for();
 }
 inline ::google::protobuf::FileOptions_OptimizeMode FileOptions::optimize_for() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.optimize_for)
   return static_cast< ::google::protobuf::FileOptions_OptimizeMode >(optimize_for_);
 }
 inline void FileOptions::set_optimize_for(::google::protobuf::FileOptions_OptimizeMode value) {
   assert(::google::protobuf::FileOptions_OptimizeMode_IsValid(value));
   set_has_optimize_for();
   optimize_for_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.optimize_for)
 }
 
 // optional string go_package = 11;
 inline bool FileOptions::has_go_package() const {
-  return (_has_bits_[0] & 0x00000020u) != 0;
+  return (_has_bits_[0] & 0x00000040u) != 0;
 }
 inline void FileOptions::set_has_go_package() {
-  _has_bits_[0] |= 0x00000020u;
+  _has_bits_[0] |= 0x00000040u;
 }
 inline void FileOptions::clear_has_go_package() {
-  _has_bits_[0] &= ~0x00000020u;
+  _has_bits_[0] &= ~0x00000040u;
 }
 inline void FileOptions::clear_go_package() {
-  if (go_package_ != &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     go_package_->clear();
   }
   clear_has_go_package();
 }
 inline const ::std::string& FileOptions::go_package() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.go_package)
   return *go_package_;
 }
 inline void FileOptions::set_go_package(const ::std::string& value) {
   set_has_go_package();
-  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     go_package_ = new ::std::string;
   }
   go_package_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.go_package)
 }
 inline void FileOptions::set_go_package(const char* value) {
   set_has_go_package();
-  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     go_package_ = new ::std::string;
   }
   go_package_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FileOptions.go_package)
 }
 inline void FileOptions::set_go_package(const char* value, size_t size) {
   set_has_go_package();
-  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     go_package_ = new ::std::string;
   }
   go_package_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FileOptions.go_package)
 }
 inline ::std::string* FileOptions::mutable_go_package() {
   set_has_go_package();
-  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     go_package_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileOptions.go_package)
   return go_package_;
 }
 inline ::std::string* FileOptions::release_go_package() {
   clear_has_go_package();
-  if (go_package_ == &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = go_package_;
-    go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FileOptions::set_allocated_go_package(::std::string* go_package) {
-  if (go_package_ != &::google::protobuf::internal::kEmptyString) {
+  if (go_package_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete go_package_;
   }
   if (go_package) {
@@ -4816,74 +5309,105 @@
     go_package_ = go_package;
   } else {
     clear_has_go_package();
-    go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    go_package_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileOptions.go_package)
 }
 
 // optional bool cc_generic_services = 16 [default = false];
 inline bool FileOptions::has_cc_generic_services() const {
-  return (_has_bits_[0] & 0x00000040u) != 0;
+  return (_has_bits_[0] & 0x00000080u) != 0;
 }
 inline void FileOptions::set_has_cc_generic_services() {
-  _has_bits_[0] |= 0x00000040u;
+  _has_bits_[0] |= 0x00000080u;
 }
 inline void FileOptions::clear_has_cc_generic_services() {
-  _has_bits_[0] &= ~0x00000040u;
+  _has_bits_[0] &= ~0x00000080u;
 }
 inline void FileOptions::clear_cc_generic_services() {
   cc_generic_services_ = false;
   clear_has_cc_generic_services();
 }
 inline bool FileOptions::cc_generic_services() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.cc_generic_services)
   return cc_generic_services_;
 }
 inline void FileOptions::set_cc_generic_services(bool value) {
   set_has_cc_generic_services();
   cc_generic_services_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.cc_generic_services)
 }
 
 // optional bool java_generic_services = 17 [default = false];
 inline bool FileOptions::has_java_generic_services() const {
-  return (_has_bits_[0] & 0x00000080u) != 0;
+  return (_has_bits_[0] & 0x00000100u) != 0;
 }
 inline void FileOptions::set_has_java_generic_services() {
-  _has_bits_[0] |= 0x00000080u;
+  _has_bits_[0] |= 0x00000100u;
 }
 inline void FileOptions::clear_has_java_generic_services() {
-  _has_bits_[0] &= ~0x00000080u;
+  _has_bits_[0] &= ~0x00000100u;
 }
 inline void FileOptions::clear_java_generic_services() {
   java_generic_services_ = false;
   clear_has_java_generic_services();
 }
 inline bool FileOptions::java_generic_services() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.java_generic_services)
   return java_generic_services_;
 }
 inline void FileOptions::set_java_generic_services(bool value) {
   set_has_java_generic_services();
   java_generic_services_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.java_generic_services)
 }
 
 // optional bool py_generic_services = 18 [default = false];
 inline bool FileOptions::has_py_generic_services() const {
-  return (_has_bits_[0] & 0x00000100u) != 0;
+  return (_has_bits_[0] & 0x00000200u) != 0;
 }
 inline void FileOptions::set_has_py_generic_services() {
-  _has_bits_[0] |= 0x00000100u;
+  _has_bits_[0] |= 0x00000200u;
 }
 inline void FileOptions::clear_has_py_generic_services() {
-  _has_bits_[0] &= ~0x00000100u;
+  _has_bits_[0] &= ~0x00000200u;
 }
 inline void FileOptions::clear_py_generic_services() {
   py_generic_services_ = false;
   clear_has_py_generic_services();
 }
 inline bool FileOptions::py_generic_services() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.py_generic_services)
   return py_generic_services_;
 }
 inline void FileOptions::set_py_generic_services(bool value) {
   set_has_py_generic_services();
   py_generic_services_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.py_generic_services)
+}
+
+// optional bool deprecated = 23 [default = false];
+inline bool FileOptions::has_deprecated() const {
+  return (_has_bits_[0] & 0x00000400u) != 0;
+}
+inline void FileOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000400u;
+}
+inline void FileOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000400u;
+}
+inline void FileOptions::clear_deprecated() {
+  deprecated_ = false;
+  clear_has_deprecated();
+}
+inline bool FileOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.deprecated)
+  return deprecated_;
+}
+inline void FileOptions::set_deprecated(bool value) {
+  set_has_deprecated();
+  deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.deprecated)
 }
 
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
@@ -4894,20 +5418,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& FileOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* FileOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FileOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* FileOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FileOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 FileOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FileOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 FileOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FileOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -4930,11 +5459,13 @@
   clear_has_message_set_wire_format();
 }
 inline bool MessageOptions::message_set_wire_format() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MessageOptions.message_set_wire_format)
   return message_set_wire_format_;
 }
 inline void MessageOptions::set_message_set_wire_format(bool value) {
   set_has_message_set_wire_format();
   message_set_wire_format_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.MessageOptions.message_set_wire_format)
 }
 
 // optional bool no_standard_descriptor_accessor = 2 [default = false];
@@ -4952,11 +5483,37 @@
   clear_has_no_standard_descriptor_accessor();
 }
 inline bool MessageOptions::no_standard_descriptor_accessor() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MessageOptions.no_standard_descriptor_accessor)
   return no_standard_descriptor_accessor_;
 }
 inline void MessageOptions::set_no_standard_descriptor_accessor(bool value) {
   set_has_no_standard_descriptor_accessor();
   no_standard_descriptor_accessor_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.MessageOptions.no_standard_descriptor_accessor)
+}
+
+// optional bool deprecated = 3 [default = false];
+inline bool MessageOptions::has_deprecated() const {
+  return (_has_bits_[0] & 0x00000004u) != 0;
+}
+inline void MessageOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000004u;
+}
+inline void MessageOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000004u;
+}
+inline void MessageOptions::clear_deprecated() {
+  deprecated_ = false;
+  clear_has_deprecated();
+}
+inline bool MessageOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MessageOptions.deprecated)
+  return deprecated_;
+}
+inline void MessageOptions::set_deprecated(bool value) {
+  set_has_deprecated();
+  deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.MessageOptions.deprecated)
 }
 
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
@@ -4967,20 +5524,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& MessageOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MessageOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* MessageOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.MessageOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* MessageOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.MessageOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 MessageOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.MessageOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 MessageOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.MessageOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -5003,12 +5565,14 @@
   clear_has_ctype();
 }
 inline ::google::protobuf::FieldOptions_CType FieldOptions::ctype() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.ctype)
   return static_cast< ::google::protobuf::FieldOptions_CType >(ctype_);
 }
 inline void FieldOptions::set_ctype(::google::protobuf::FieldOptions_CType value) {
   assert(::google::protobuf::FieldOptions_CType_IsValid(value));
   set_has_ctype();
   ctype_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldOptions.ctype)
 }
 
 // optional bool packed = 2;
@@ -5026,11 +5590,13 @@
   clear_has_packed();
 }
 inline bool FieldOptions::packed() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.packed)
   return packed_;
 }
 inline void FieldOptions::set_packed(bool value) {
   set_has_packed();
   packed_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldOptions.packed)
 }
 
 // optional bool lazy = 5 [default = false];
@@ -5048,11 +5614,13 @@
   clear_has_lazy();
 }
 inline bool FieldOptions::lazy() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.lazy)
   return lazy_;
 }
 inline void FieldOptions::set_lazy(bool value) {
   set_has_lazy();
   lazy_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldOptions.lazy)
 }
 
 // optional bool deprecated = 3 [default = false];
@@ -5070,11 +5638,13 @@
   clear_has_deprecated();
 }
 inline bool FieldOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.deprecated)
   return deprecated_;
 }
 inline void FieldOptions::set_deprecated(bool value) {
   set_has_deprecated();
   deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldOptions.deprecated)
 }
 
 // optional string experimental_map_key = 9;
@@ -5088,54 +5658,59 @@
   _has_bits_[0] &= ~0x00000010u;
 }
 inline void FieldOptions::clear_experimental_map_key() {
-  if (experimental_map_key_ != &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     experimental_map_key_->clear();
   }
   clear_has_experimental_map_key();
 }
 inline const ::std::string& FieldOptions::experimental_map_key() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.experimental_map_key)
   return *experimental_map_key_;
 }
 inline void FieldOptions::set_experimental_map_key(const ::std::string& value) {
   set_has_experimental_map_key();
-  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     experimental_map_key_ = new ::std::string;
   }
   experimental_map_key_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldOptions.experimental_map_key)
 }
 inline void FieldOptions::set_experimental_map_key(const char* value) {
   set_has_experimental_map_key();
-  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     experimental_map_key_ = new ::std::string;
   }
   experimental_map_key_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.FieldOptions.experimental_map_key)
 }
 inline void FieldOptions::set_experimental_map_key(const char* value, size_t size) {
   set_has_experimental_map_key();
-  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     experimental_map_key_ = new ::std::string;
   }
   experimental_map_key_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.FieldOptions.experimental_map_key)
 }
 inline ::std::string* FieldOptions::mutable_experimental_map_key() {
   set_has_experimental_map_key();
-  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     experimental_map_key_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldOptions.experimental_map_key)
   return experimental_map_key_;
 }
 inline ::std::string* FieldOptions::release_experimental_map_key() {
   clear_has_experimental_map_key();
-  if (experimental_map_key_ == &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = experimental_map_key_;
-    experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void FieldOptions::set_allocated_experimental_map_key(::std::string* experimental_map_key) {
-  if (experimental_map_key_ != &::google::protobuf::internal::kEmptyString) {
+  if (experimental_map_key_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete experimental_map_key_;
   }
   if (experimental_map_key) {
@@ -5143,8 +5718,9 @@
     experimental_map_key_ = experimental_map_key;
   } else {
     clear_has_experimental_map_key();
-    experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    experimental_map_key_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.FieldOptions.experimental_map_key)
 }
 
 // optional bool weak = 10 [default = false];
@@ -5162,11 +5738,13 @@
   clear_has_weak();
 }
 inline bool FieldOptions::weak() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.weak)
   return weak_;
 }
 inline void FieldOptions::set_weak(bool value) {
   set_has_weak();
   weak_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FieldOptions.weak)
 }
 
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
@@ -5177,20 +5755,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& FieldOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FieldOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* FieldOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.FieldOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* FieldOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.FieldOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 FieldOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.FieldOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 FieldOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.FieldOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -5198,7 +5781,7 @@
 
 // EnumOptions
 
-// optional bool allow_alias = 2 [default = true];
+// optional bool allow_alias = 2;
 inline bool EnumOptions::has_allow_alias() const {
   return (_has_bits_[0] & 0x00000001u) != 0;
 }
@@ -5209,15 +5792,41 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void EnumOptions::clear_allow_alias() {
-  allow_alias_ = true;
+  allow_alias_ = false;
   clear_has_allow_alias();
 }
 inline bool EnumOptions::allow_alias() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumOptions.allow_alias)
   return allow_alias_;
 }
 inline void EnumOptions::set_allow_alias(bool value) {
   set_has_allow_alias();
   allow_alias_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.EnumOptions.allow_alias)
+}
+
+// optional bool deprecated = 3 [default = false];
+inline bool EnumOptions::has_deprecated() const {
+  return (_has_bits_[0] & 0x00000002u) != 0;
+}
+inline void EnumOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000002u;
+}
+inline void EnumOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000002u;
+}
+inline void EnumOptions::clear_deprecated() {
+  deprecated_ = false;
+  clear_has_deprecated();
+}
+inline bool EnumOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumOptions.deprecated)
+  return deprecated_;
+}
+inline void EnumOptions::set_deprecated(bool value) {
+  set_has_deprecated();
+  deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.EnumOptions.deprecated)
 }
 
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
@@ -5228,20 +5837,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& EnumOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* EnumOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* EnumOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.EnumOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 EnumOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.EnumOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 EnumOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.EnumOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -5249,6 +5863,30 @@
 
 // EnumValueOptions
 
+// optional bool deprecated = 1 [default = false];
+inline bool EnumValueOptions::has_deprecated() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void EnumValueOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void EnumValueOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void EnumValueOptions::clear_deprecated() {
+  deprecated_ = false;
+  clear_has_deprecated();
+}
+inline bool EnumValueOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumValueOptions.deprecated)
+  return deprecated_;
+}
+inline void EnumValueOptions::set_deprecated(bool value) {
+  set_has_deprecated();
+  deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.EnumValueOptions.deprecated)
+}
+
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 inline int EnumValueOptions::uninterpreted_option_size() const {
   return uninterpreted_option_.size();
@@ -5257,20 +5895,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& EnumValueOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.EnumValueOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* EnumValueOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.EnumValueOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* EnumValueOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.EnumValueOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 EnumValueOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.EnumValueOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 EnumValueOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.EnumValueOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -5278,6 +5921,30 @@
 
 // ServiceOptions
 
+// optional bool deprecated = 33 [default = false];
+inline bool ServiceOptions::has_deprecated() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void ServiceOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void ServiceOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void ServiceOptions::clear_deprecated() {
+  deprecated_ = false;
+  clear_has_deprecated();
+}
+inline bool ServiceOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.ServiceOptions.deprecated)
+  return deprecated_;
+}
+inline void ServiceOptions::set_deprecated(bool value) {
+  set_has_deprecated();
+  deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.ServiceOptions.deprecated)
+}
+
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 inline int ServiceOptions::uninterpreted_option_size() const {
   return uninterpreted_option_.size();
@@ -5286,20 +5953,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& ServiceOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.ServiceOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* ServiceOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.ServiceOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* ServiceOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.ServiceOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 ServiceOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.ServiceOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 ServiceOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.ServiceOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -5307,6 +5979,30 @@
 
 // MethodOptions
 
+// optional bool deprecated = 33 [default = false];
+inline bool MethodOptions::has_deprecated() const {
+  return (_has_bits_[0] & 0x00000001u) != 0;
+}
+inline void MethodOptions::set_has_deprecated() {
+  _has_bits_[0] |= 0x00000001u;
+}
+inline void MethodOptions::clear_has_deprecated() {
+  _has_bits_[0] &= ~0x00000001u;
+}
+inline void MethodOptions::clear_deprecated() {
+  deprecated_ = false;
+  clear_has_deprecated();
+}
+inline bool MethodOptions::deprecated() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MethodOptions.deprecated)
+  return deprecated_;
+}
+inline void MethodOptions::set_deprecated(bool value) {
+  set_has_deprecated();
+  deprecated_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.MethodOptions.deprecated)
+}
+
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 inline int MethodOptions::uninterpreted_option_size() const {
   return uninterpreted_option_.size();
@@ -5315,20 +6011,25 @@
   uninterpreted_option_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption& MethodOptions::uninterpreted_option(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.MethodOptions.uninterpreted_option)
   return uninterpreted_option_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption* MethodOptions::mutable_uninterpreted_option(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.MethodOptions.uninterpreted_option)
   return uninterpreted_option_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption* MethodOptions::add_uninterpreted_option() {
+  // @@protoc_insertion_point(field_add:google.protobuf.MethodOptions.uninterpreted_option)
   return uninterpreted_option_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >&
 MethodOptions::uninterpreted_option() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.MethodOptions.uninterpreted_option)
   return uninterpreted_option_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption >*
 MethodOptions::mutable_uninterpreted_option() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.MethodOptions.uninterpreted_option)
   return &uninterpreted_option_;
 }
 
@@ -5347,54 +6048,59 @@
   _has_bits_[0] &= ~0x00000001u;
 }
 inline void UninterpretedOption_NamePart::clear_name_part() {
-  if (name_part_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_part_->clear();
   }
   clear_has_name_part();
 }
 inline const ::std::string& UninterpretedOption_NamePart::name_part() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.NamePart.name_part)
   return *name_part_;
 }
 inline void UninterpretedOption_NamePart::set_name_part(const ::std::string& value) {
   set_has_name_part();
-  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_part_ = new ::std::string;
   }
   name_part_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.NamePart.name_part)
 }
 inline void UninterpretedOption_NamePart::set_name_part(const char* value) {
   set_has_name_part();
-  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_part_ = new ::std::string;
   }
   name_part_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.UninterpretedOption.NamePart.name_part)
 }
 inline void UninterpretedOption_NamePart::set_name_part(const char* value, size_t size) {
   set_has_name_part();
-  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_part_ = new ::std::string;
   }
   name_part_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.UninterpretedOption.NamePart.name_part)
 }
 inline ::std::string* UninterpretedOption_NamePart::mutable_name_part() {
   set_has_name_part();
-  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     name_part_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.UninterpretedOption.NamePart.name_part)
   return name_part_;
 }
 inline ::std::string* UninterpretedOption_NamePart::release_name_part() {
   clear_has_name_part();
-  if (name_part_ == &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = name_part_;
-    name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void UninterpretedOption_NamePart::set_allocated_name_part(::std::string* name_part) {
-  if (name_part_ != &::google::protobuf::internal::kEmptyString) {
+  if (name_part_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete name_part_;
   }
   if (name_part) {
@@ -5402,8 +6108,9 @@
     name_part_ = name_part;
   } else {
     clear_has_name_part();
-    name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    name_part_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.UninterpretedOption.NamePart.name_part)
 }
 
 // required bool is_extension = 2;
@@ -5421,11 +6128,13 @@
   clear_has_is_extension();
 }
 inline bool UninterpretedOption_NamePart::is_extension() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.NamePart.is_extension)
   return is_extension_;
 }
 inline void UninterpretedOption_NamePart::set_is_extension(bool value) {
   set_has_is_extension();
   is_extension_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.NamePart.is_extension)
 }
 
 // -------------------------------------------------------------------
@@ -5440,20 +6149,25 @@
   name_.Clear();
 }
 inline const ::google::protobuf::UninterpretedOption_NamePart& UninterpretedOption::name(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.name)
   return name_.Get(index);
 }
 inline ::google::protobuf::UninterpretedOption_NamePart* UninterpretedOption::mutable_name(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.UninterpretedOption.name)
   return name_.Mutable(index);
 }
 inline ::google::protobuf::UninterpretedOption_NamePart* UninterpretedOption::add_name() {
+  // @@protoc_insertion_point(field_add:google.protobuf.UninterpretedOption.name)
   return name_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption_NamePart >&
 UninterpretedOption::name() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.UninterpretedOption.name)
   return name_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption_NamePart >*
 UninterpretedOption::mutable_name() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.UninterpretedOption.name)
   return &name_;
 }
 
@@ -5468,54 +6182,59 @@
   _has_bits_[0] &= ~0x00000002u;
 }
 inline void UninterpretedOption::clear_identifier_value() {
-  if (identifier_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     identifier_value_->clear();
   }
   clear_has_identifier_value();
 }
 inline const ::std::string& UninterpretedOption::identifier_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.identifier_value)
   return *identifier_value_;
 }
 inline void UninterpretedOption::set_identifier_value(const ::std::string& value) {
   set_has_identifier_value();
-  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     identifier_value_ = new ::std::string;
   }
   identifier_value_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.identifier_value)
 }
 inline void UninterpretedOption::set_identifier_value(const char* value) {
   set_has_identifier_value();
-  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     identifier_value_ = new ::std::string;
   }
   identifier_value_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.UninterpretedOption.identifier_value)
 }
 inline void UninterpretedOption::set_identifier_value(const char* value, size_t size) {
   set_has_identifier_value();
-  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     identifier_value_ = new ::std::string;
   }
   identifier_value_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.UninterpretedOption.identifier_value)
 }
 inline ::std::string* UninterpretedOption::mutable_identifier_value() {
   set_has_identifier_value();
-  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     identifier_value_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.UninterpretedOption.identifier_value)
   return identifier_value_;
 }
 inline ::std::string* UninterpretedOption::release_identifier_value() {
   clear_has_identifier_value();
-  if (identifier_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = identifier_value_;
-    identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void UninterpretedOption::set_allocated_identifier_value(::std::string* identifier_value) {
-  if (identifier_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (identifier_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete identifier_value_;
   }
   if (identifier_value) {
@@ -5523,8 +6242,9 @@
     identifier_value_ = identifier_value;
   } else {
     clear_has_identifier_value();
-    identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    identifier_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.UninterpretedOption.identifier_value)
 }
 
 // optional uint64 positive_int_value = 4;
@@ -5542,11 +6262,13 @@
   clear_has_positive_int_value();
 }
 inline ::google::protobuf::uint64 UninterpretedOption::positive_int_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.positive_int_value)
   return positive_int_value_;
 }
 inline void UninterpretedOption::set_positive_int_value(::google::protobuf::uint64 value) {
   set_has_positive_int_value();
   positive_int_value_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.positive_int_value)
 }
 
 // optional int64 negative_int_value = 5;
@@ -5564,11 +6286,13 @@
   clear_has_negative_int_value();
 }
 inline ::google::protobuf::int64 UninterpretedOption::negative_int_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.negative_int_value)
   return negative_int_value_;
 }
 inline void UninterpretedOption::set_negative_int_value(::google::protobuf::int64 value) {
   set_has_negative_int_value();
   negative_int_value_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.negative_int_value)
 }
 
 // optional double double_value = 6;
@@ -5586,11 +6310,13 @@
   clear_has_double_value();
 }
 inline double UninterpretedOption::double_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.double_value)
   return double_value_;
 }
 inline void UninterpretedOption::set_double_value(double value) {
   set_has_double_value();
   double_value_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.double_value)
 }
 
 // optional bytes string_value = 7;
@@ -5604,54 +6330,59 @@
   _has_bits_[0] &= ~0x00000020u;
 }
 inline void UninterpretedOption::clear_string_value() {
-  if (string_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     string_value_->clear();
   }
   clear_has_string_value();
 }
 inline const ::std::string& UninterpretedOption::string_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.string_value)
   return *string_value_;
 }
 inline void UninterpretedOption::set_string_value(const ::std::string& value) {
   set_has_string_value();
-  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     string_value_ = new ::std::string;
   }
   string_value_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.string_value)
 }
 inline void UninterpretedOption::set_string_value(const char* value) {
   set_has_string_value();
-  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     string_value_ = new ::std::string;
   }
   string_value_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.UninterpretedOption.string_value)
 }
 inline void UninterpretedOption::set_string_value(const void* value, size_t size) {
   set_has_string_value();
-  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     string_value_ = new ::std::string;
   }
   string_value_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.UninterpretedOption.string_value)
 }
 inline ::std::string* UninterpretedOption::mutable_string_value() {
   set_has_string_value();
-  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     string_value_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.UninterpretedOption.string_value)
   return string_value_;
 }
 inline ::std::string* UninterpretedOption::release_string_value() {
   clear_has_string_value();
-  if (string_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = string_value_;
-    string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void UninterpretedOption::set_allocated_string_value(::std::string* string_value) {
-  if (string_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (string_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete string_value_;
   }
   if (string_value) {
@@ -5659,8 +6390,9 @@
     string_value_ = string_value;
   } else {
     clear_has_string_value();
-    string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    string_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.UninterpretedOption.string_value)
 }
 
 // optional string aggregate_value = 8;
@@ -5674,54 +6406,59 @@
   _has_bits_[0] &= ~0x00000040u;
 }
 inline void UninterpretedOption::clear_aggregate_value() {
-  if (aggregate_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     aggregate_value_->clear();
   }
   clear_has_aggregate_value();
 }
 inline const ::std::string& UninterpretedOption::aggregate_value() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.UninterpretedOption.aggregate_value)
   return *aggregate_value_;
 }
 inline void UninterpretedOption::set_aggregate_value(const ::std::string& value) {
   set_has_aggregate_value();
-  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     aggregate_value_ = new ::std::string;
   }
   aggregate_value_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.UninterpretedOption.aggregate_value)
 }
 inline void UninterpretedOption::set_aggregate_value(const char* value) {
   set_has_aggregate_value();
-  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     aggregate_value_ = new ::std::string;
   }
   aggregate_value_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.UninterpretedOption.aggregate_value)
 }
 inline void UninterpretedOption::set_aggregate_value(const char* value, size_t size) {
   set_has_aggregate_value();
-  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     aggregate_value_ = new ::std::string;
   }
   aggregate_value_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.UninterpretedOption.aggregate_value)
 }
 inline ::std::string* UninterpretedOption::mutable_aggregate_value() {
   set_has_aggregate_value();
-  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     aggregate_value_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.UninterpretedOption.aggregate_value)
   return aggregate_value_;
 }
 inline ::std::string* UninterpretedOption::release_aggregate_value() {
   clear_has_aggregate_value();
-  if (aggregate_value_ == &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = aggregate_value_;
-    aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void UninterpretedOption::set_allocated_aggregate_value(::std::string* aggregate_value) {
-  if (aggregate_value_ != &::google::protobuf::internal::kEmptyString) {
+  if (aggregate_value_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete aggregate_value_;
   }
   if (aggregate_value) {
@@ -5729,8 +6466,9 @@
     aggregate_value_ = aggregate_value;
   } else {
     clear_has_aggregate_value();
-    aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    aggregate_value_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.UninterpretedOption.aggregate_value)
 }
 
 // -------------------------------------------------------------------
@@ -5745,20 +6483,25 @@
   path_.Clear();
 }
 inline ::google::protobuf::int32 SourceCodeInfo_Location::path(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.SourceCodeInfo.Location.path)
   return path_.Get(index);
 }
 inline void SourceCodeInfo_Location::set_path(int index, ::google::protobuf::int32 value) {
   path_.Set(index, value);
+  // @@protoc_insertion_point(field_set:google.protobuf.SourceCodeInfo.Location.path)
 }
 inline void SourceCodeInfo_Location::add_path(::google::protobuf::int32 value) {
   path_.Add(value);
+  // @@protoc_insertion_point(field_add:google.protobuf.SourceCodeInfo.Location.path)
 }
 inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
 SourceCodeInfo_Location::path() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.SourceCodeInfo.Location.path)
   return path_;
 }
 inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
 SourceCodeInfo_Location::mutable_path() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.SourceCodeInfo.Location.path)
   return &path_;
 }
 
@@ -5770,20 +6513,25 @@
   span_.Clear();
 }
 inline ::google::protobuf::int32 SourceCodeInfo_Location::span(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.SourceCodeInfo.Location.span)
   return span_.Get(index);
 }
 inline void SourceCodeInfo_Location::set_span(int index, ::google::protobuf::int32 value) {
   span_.Set(index, value);
+  // @@protoc_insertion_point(field_set:google.protobuf.SourceCodeInfo.Location.span)
 }
 inline void SourceCodeInfo_Location::add_span(::google::protobuf::int32 value) {
   span_.Add(value);
+  // @@protoc_insertion_point(field_add:google.protobuf.SourceCodeInfo.Location.span)
 }
 inline const ::google::protobuf::RepeatedField< ::google::protobuf::int32 >&
 SourceCodeInfo_Location::span() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.SourceCodeInfo.Location.span)
   return span_;
 }
 inline ::google::protobuf::RepeatedField< ::google::protobuf::int32 >*
 SourceCodeInfo_Location::mutable_span() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.SourceCodeInfo.Location.span)
   return &span_;
 }
 
@@ -5798,54 +6546,59 @@
   _has_bits_[0] &= ~0x00000004u;
 }
 inline void SourceCodeInfo_Location::clear_leading_comments() {
-  if (leading_comments_ != &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     leading_comments_->clear();
   }
   clear_has_leading_comments();
 }
 inline const ::std::string& SourceCodeInfo_Location::leading_comments() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.SourceCodeInfo.Location.leading_comments)
   return *leading_comments_;
 }
 inline void SourceCodeInfo_Location::set_leading_comments(const ::std::string& value) {
   set_has_leading_comments();
-  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     leading_comments_ = new ::std::string;
   }
   leading_comments_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.SourceCodeInfo.Location.leading_comments)
 }
 inline void SourceCodeInfo_Location::set_leading_comments(const char* value) {
   set_has_leading_comments();
-  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     leading_comments_ = new ::std::string;
   }
   leading_comments_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.SourceCodeInfo.Location.leading_comments)
 }
 inline void SourceCodeInfo_Location::set_leading_comments(const char* value, size_t size) {
   set_has_leading_comments();
-  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     leading_comments_ = new ::std::string;
   }
   leading_comments_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.SourceCodeInfo.Location.leading_comments)
 }
 inline ::std::string* SourceCodeInfo_Location::mutable_leading_comments() {
   set_has_leading_comments();
-  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     leading_comments_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.SourceCodeInfo.Location.leading_comments)
   return leading_comments_;
 }
 inline ::std::string* SourceCodeInfo_Location::release_leading_comments() {
   clear_has_leading_comments();
-  if (leading_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = leading_comments_;
-    leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void SourceCodeInfo_Location::set_allocated_leading_comments(::std::string* leading_comments) {
-  if (leading_comments_ != &::google::protobuf::internal::kEmptyString) {
+  if (leading_comments_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete leading_comments_;
   }
   if (leading_comments) {
@@ -5853,8 +6606,9 @@
     leading_comments_ = leading_comments;
   } else {
     clear_has_leading_comments();
-    leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    leading_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.SourceCodeInfo.Location.leading_comments)
 }
 
 // optional string trailing_comments = 4;
@@ -5868,54 +6622,59 @@
   _has_bits_[0] &= ~0x00000008u;
 }
 inline void SourceCodeInfo_Location::clear_trailing_comments() {
-  if (trailing_comments_ != &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     trailing_comments_->clear();
   }
   clear_has_trailing_comments();
 }
 inline const ::std::string& SourceCodeInfo_Location::trailing_comments() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.SourceCodeInfo.Location.trailing_comments)
   return *trailing_comments_;
 }
 inline void SourceCodeInfo_Location::set_trailing_comments(const ::std::string& value) {
   set_has_trailing_comments();
-  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     trailing_comments_ = new ::std::string;
   }
   trailing_comments_->assign(value);
+  // @@protoc_insertion_point(field_set:google.protobuf.SourceCodeInfo.Location.trailing_comments)
 }
 inline void SourceCodeInfo_Location::set_trailing_comments(const char* value) {
   set_has_trailing_comments();
-  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     trailing_comments_ = new ::std::string;
   }
   trailing_comments_->assign(value);
+  // @@protoc_insertion_point(field_set_char:google.protobuf.SourceCodeInfo.Location.trailing_comments)
 }
 inline void SourceCodeInfo_Location::set_trailing_comments(const char* value, size_t size) {
   set_has_trailing_comments();
-  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     trailing_comments_ = new ::std::string;
   }
   trailing_comments_->assign(reinterpret_cast<const char*>(value), size);
+  // @@protoc_insertion_point(field_set_pointer:google.protobuf.SourceCodeInfo.Location.trailing_comments)
 }
 inline ::std::string* SourceCodeInfo_Location::mutable_trailing_comments() {
   set_has_trailing_comments();
-  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     trailing_comments_ = new ::std::string;
   }
+  // @@protoc_insertion_point(field_mutable:google.protobuf.SourceCodeInfo.Location.trailing_comments)
   return trailing_comments_;
 }
 inline ::std::string* SourceCodeInfo_Location::release_trailing_comments() {
   clear_has_trailing_comments();
-  if (trailing_comments_ == &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ == &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     return NULL;
   } else {
     ::std::string* temp = trailing_comments_;
-    trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     return temp;
   }
 }
 inline void SourceCodeInfo_Location::set_allocated_trailing_comments(::std::string* trailing_comments) {
-  if (trailing_comments_ != &::google::protobuf::internal::kEmptyString) {
+  if (trailing_comments_ != &::google::protobuf::internal::GetEmptyStringAlreadyInited()) {
     delete trailing_comments_;
   }
   if (trailing_comments) {
@@ -5923,8 +6682,9 @@
     trailing_comments_ = trailing_comments;
   } else {
     clear_has_trailing_comments();
-    trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::kEmptyString);
+    trailing_comments_ = const_cast< ::std::string*>(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   }
+  // @@protoc_insertion_point(field_set_allocated:google.protobuf.SourceCodeInfo.Location.trailing_comments)
 }
 
 // -------------------------------------------------------------------
@@ -5939,20 +6699,25 @@
   location_.Clear();
 }
 inline const ::google::protobuf::SourceCodeInfo_Location& SourceCodeInfo::location(int index) const {
+  // @@protoc_insertion_point(field_get:google.protobuf.SourceCodeInfo.location)
   return location_.Get(index);
 }
 inline ::google::protobuf::SourceCodeInfo_Location* SourceCodeInfo::mutable_location(int index) {
+  // @@protoc_insertion_point(field_mutable:google.protobuf.SourceCodeInfo.location)
   return location_.Mutable(index);
 }
 inline ::google::protobuf::SourceCodeInfo_Location* SourceCodeInfo::add_location() {
+  // @@protoc_insertion_point(field_add:google.protobuf.SourceCodeInfo.location)
   return location_.Add();
 }
 inline const ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location >&
 SourceCodeInfo::location() const {
+  // @@protoc_insertion_point(field_list:google.protobuf.SourceCodeInfo.location)
   return location_;
 }
 inline ::google::protobuf::RepeatedPtrField< ::google::protobuf::SourceCodeInfo_Location >*
 SourceCodeInfo::mutable_location() {
+  // @@protoc_insertion_point(field_mutable_list:google.protobuf.SourceCodeInfo.location)
   return &location_;
 }
 
@@ -5966,18 +6731,22 @@
 namespace google {
 namespace protobuf {
 
+template <> struct is_proto_enum< ::google::protobuf::FieldDescriptorProto_Type> : ::google::protobuf::internal::true_type {};
 template <>
 inline const EnumDescriptor* GetEnumDescriptor< ::google::protobuf::FieldDescriptorProto_Type>() {
   return ::google::protobuf::FieldDescriptorProto_Type_descriptor();
 }
+template <> struct is_proto_enum< ::google::protobuf::FieldDescriptorProto_Label> : ::google::protobuf::internal::true_type {};
 template <>
 inline const EnumDescriptor* GetEnumDescriptor< ::google::protobuf::FieldDescriptorProto_Label>() {
   return ::google::protobuf::FieldDescriptorProto_Label_descriptor();
 }
+template <> struct is_proto_enum< ::google::protobuf::FileOptions_OptimizeMode> : ::google::protobuf::internal::true_type {};
 template <>
 inline const EnumDescriptor* GetEnumDescriptor< ::google::protobuf::FileOptions_OptimizeMode>() {
   return ::google::protobuf::FileOptions_OptimizeMode_descriptor();
 }
+template <> struct is_proto_enum< ::google::protobuf::FieldOptions_CType> : ::google::protobuf::internal::true_type {};
 template <>
 inline const EnumDescriptor* GetEnumDescriptor< ::google::protobuf::FieldOptions_CType>() {
   return ::google::protobuf::FieldOptions_CType_descriptor();
diff --git a/include/google/protobuf/descriptor.proto b/include/google/protobuf/descriptor.proto
index a785f79..a753601 100644
--- a/include/google/protobuf/descriptor.proto
+++ b/include/google/protobuf/descriptor.proto
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -96,6 +96,8 @@
   }
   repeated ExtensionRange extension_range = 5;
 
+  repeated OneofDescriptorProto oneof_decl = 8;
+
   optional MessageOptions options = 7;
 }
 
@@ -143,7 +145,7 @@
   optional Label label = 4;
 
   // If type_name is set, this need not be set.  If both this and type_name
-  // are set, this must be either TYPE_ENUM or TYPE_MESSAGE.
+  // are set, this must be one of TYPE_ENUM, TYPE_MESSAGE or TYPE_GROUP.
   optional Type type = 5;
 
   // For message and enum types, this is the name of the type.  If the name
@@ -164,9 +166,20 @@
   // TODO(kenton):  Base-64 encode?
   optional string default_value = 7;
 
+  // If set, gives the index of a oneof in the containing type's oneof_decl
+  // list.  This field is a member of that oneof.  Extensions of a oneof should
+  // not set this since the oneof to which they belong will be inferred based
+  // on the extension range containing the extension's field number.
+  optional int32 oneof_index = 9;
+
   optional FieldOptions options = 8;
 }
 
+// Describes a oneof.
+message OneofDescriptorProto {
+  optional string name = 1;
+}
+
 // Describes an enum type.
 message EnumDescriptorProto {
   optional string name = 1;
@@ -233,7 +246,7 @@
 //   number. You can declare multiple options with only one extension number by
 //   putting them in a sub-message. See the Custom Options section of the docs
 //   for examples:
-//   http://code.google.com/apis/protocolbuffers/docs/proto.html#options
+//   https://developers.google.com/protocol-buffers/docs/proto#options
 //   If this turns out to be popular, a web service will be set up
 //   to automatically assign option numbers.
 
@@ -263,11 +276,26 @@
   optional bool java_multiple_files = 10 [default=false];
 
   // If set true, then the Java code generator will generate equals() and
-  // hashCode() methods for all messages defined in the .proto file. This is
-  // purely a speed optimization, as the AbstractMessage base class includes
-  // reflection-based implementations of these methods.
+  // hashCode() methods for all messages defined in the .proto file.
+  // - In the full runtime, this is purely a speed optimization, as the
+  // AbstractMessage base class includes reflection-based implementations of
+  // these methods.
+  //- In the lite runtime, setting this option changes the semantics of
+  // equals() and hashCode() to more closely match those of the full runtime;
+  // the generated methods compute their results based on field values rather
+  // than object identity. (Implementations should not assume that hashcodes
+  // will be consistent across runtimes or versions of the protocol compiler.)
   optional bool java_generate_equals_and_hash = 20 [default=false];
 
+  // If set true, then the Java2 code generator will generate code that
+  // throws an exception whenever an attempt is made to assign a non-UTF-8
+  // byte sequence to a string field.
+  // Message reflection will do the same.
+  // However, an extension field still accepts non-UTF-8 byte sequences.
+  // This option has no effect on when used with the lite runtime.
+  optional bool java_string_check_utf8 = 27 [default=false];
+
+
   // Generated classes can be optimized for speed or code size.
   enum OptimizeMode {
     SPEED = 1;        // Generate complete code for parsing, serialization,
@@ -297,6 +325,13 @@
   optional bool java_generic_services = 17 [default=false];
   optional bool py_generic_services = 18 [default=false];
 
+  // Is this file deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for everything in the file, or it will be completely ignored; in the very
+  // least, this is a formalization for deprecating files.
+  optional bool deprecated = 23 [default=false];
+
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -330,6 +365,12 @@
   // from proto1 easier; new code should avoid fields named "descriptor".
   optional bool no_standard_descriptor_accessor = 2 [default=false];
 
+  // Is this message deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the message, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating messages.
+  optional bool deprecated = 3 [default=false];
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -412,6 +453,8 @@
   // For Google-internal migration only. Do not use.
   optional bool weak = 10 [default=false];
 
+
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -421,9 +464,15 @@
 
 message EnumOptions {
 
-  // Set this option to false to disallow mapping different tag names to a same
+  // Set this option to true to allow mapping different tag names to the same
   // value.
-  optional bool allow_alias = 2 [default=true];
+  optional bool allow_alias = 2;
+
+  // Is this enum deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the enum, or it will be completely ignored; in the very least, this
+  // is a formalization for deprecating enums.
+  optional bool deprecated = 3 [default=false];
 
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
@@ -433,6 +482,12 @@
 }
 
 message EnumValueOptions {
+  // Is this enum value deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the enum value, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating enum values.
+  optional bool deprecated = 1 [default=false];
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -447,6 +502,12 @@
   //   we were already using them long before we decided to release Protocol
   //   Buffers.
 
+  // Is this service deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the service, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating services.
+  optional bool deprecated = 33 [default=false];
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
@@ -461,6 +522,12 @@
   //   we were already using them long before we decided to release Protocol
   //   Buffers.
 
+  // Is this method deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the method, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating methods.
+  optional bool deprecated = 33 [default=false];
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;
 
diff --git a/include/google/protobuf/descriptor_database.h b/include/google/protobuf/descriptor_database.h
index 2ccb145..934e402 100644
--- a/include/google/protobuf/descriptor_database.h
+++ b/include/google/protobuf/descriptor_database.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -96,11 +96,12 @@
   //
   // This method has a default implementation that always returns
   // false.
-  virtual bool FindAllExtensionNumbers(const string& extendee_type,
-                                       vector<int>* output) {
+  virtual bool FindAllExtensionNumbers(const string& /* extendee_type */,
+                                       vector<int>* /* output */) {
     return false;
   }
 
+
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(DescriptorDatabase);
 };
@@ -356,6 +357,7 @@
   bool FindAllExtensionNumbers(const string& extendee_type,
                                vector<int>* output);
 
+
  private:
   vector<DescriptorDatabase*> sources_;
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MergedDescriptorDatabase);
diff --git a/include/google/protobuf/dynamic_message.h b/include/google/protobuf/dynamic_message.h
index b3d1e5d..10ed700 100644
--- a/include/google/protobuf/dynamic_message.h
+++ b/include/google/protobuf/dynamic_message.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -38,6 +38,8 @@
 #ifndef GOOGLE_PROTOBUF_DYNAMIC_MESSAGE_H__
 #define GOOGLE_PROTOBUF_DYNAMIC_MESSAGE_H__
 
+#include <memory>
+
 #include <google/protobuf/message.h>
 #include <google/protobuf/stubs/common.h>
 
@@ -127,6 +129,16 @@
   friend class DynamicMessage;
   const Message* GetPrototypeNoLock(const Descriptor* type);
 
+  // Construct default oneof instance for reflection usage if oneof
+  // is defined.
+  static void ConstructDefaultOneofInstance(const Descriptor* type,
+                                            const int offsets[],
+                                            void* default_oneof_instance);
+  // Delete default oneof instance. Called by ~DynamicMessageFactory.
+  static void DeleteDefaultOneofInstance(const Descriptor* type,
+                                         const int offsets[],
+                                         void* default_oneof_instance);
+
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(DynamicMessageFactory);
 };
 
diff --git a/include/google/protobuf/extension_set.h b/include/google/protobuf/extension_set.h
index df8f1f3..d7ec519 100644
--- a/include/google/protobuf/extension_set.h
+++ b/include/google/protobuf/extension_set.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -46,6 +46,8 @@
 
 #include <google/protobuf/stubs/common.h>
 
+#include <google/protobuf/repeated_field.h>
+
 namespace google {
 
 namespace protobuf {
@@ -62,10 +64,7 @@
   }
   namespace internal {
     class FieldSkipper;                                  // wire_format_lite.h
-    class RepeatedPtrFieldBase;                          // repeated_field.h
   }
-  template <typename Element> class RepeatedField;     // repeated_field.h
-  template <typename Element> class RepeatedPtrField;  // repeated_field.h
 }
 
 namespace protobuf {
@@ -138,6 +137,9 @@
   const MessageLite* containing_type_;
 };
 
+// A FieldSkipper used for parsing MessageSet.
+class MessageSetFieldSkipper;
+
 // Note:  extension_set_heavy.cc defines DescriptorPoolExtensionFinder for
 // finding extensions from a DescriptorPool.
 
@@ -265,6 +267,20 @@
 
   // repeated fields -------------------------------------------------
 
+  // Fetches a RepeatedField extension by number; returns |default_value|
+  // if no such extension exists. User should not touch this directly; it is
+  // used by the GetRepeatedExtension() method.
+  const void* GetRawRepeatedField(int number, const void* default_value) const;
+  // Fetches a mutable version of a RepeatedField extension by number,
+  // instantiating one if none exists. Similar to above, user should not use
+  // this directly; it underlies MutableRepeatedExtension().
+  void* MutableRawRepeatedField(int number, FieldType field_type,
+                                bool packed, const FieldDescriptor* desc);
+
+  // This is an overload of MutableRawRepeatedField to maintain compatibility
+  // with old code using a previous API. This version of
+  // MutableRawRepeatedField() will GOOGLE_CHECK-fail on a missing extension.
+  // (E.g.: borg/clients/internal/proto1/proto2_reflection.cc.)
   void* MutableRawRepeatedField(int number);
 
   int32  GetRepeatedInt32 (int number, int index) const;
@@ -323,6 +339,7 @@
   void Clear();
   void MergeFrom(const ExtensionSet& other);
   void Swap(ExtensionSet* other);
+  void SwapExtension(ExtensionSet* other, int number);
   bool IsInitialized() const;
 
   // Parses a single extension from the input. The input should start out
@@ -342,12 +359,15 @@
   bool ParseField(uint32 tag, io::CodedInputStream* input,
                   const Message* containing_type,
                   UnknownFieldSet* unknown_fields);
+  bool ParseField(uint32 tag, io::CodedInputStream* input,
+                  const MessageLite* containing_type,
+                  io::CodedOutputStream* unknown_fields);
 
   // Parse an entire message in MessageSet format.  Such messages have no
   // fields, only extensions.
   bool ParseMessageSet(io::CodedInputStream* input,
                        ExtensionFinder* extension_finder,
-                       FieldSkipper* field_skipper);
+                       MessageSetFieldSkipper* field_skipper);
 
   // Specific versions for lite or full messages (constructs the appropriate
   // FieldSkipper automatically).
@@ -505,23 +525,38 @@
 
 
   // Returns true and fills field_number and extension if extension is found.
+  // Note to support packed repeated field compatibility, it also fills whether
+  // the tag on wire is packed, which can be different from
+  // extension->is_packed (whether packed=true is specified).
   bool FindExtensionInfoFromTag(uint32 tag, ExtensionFinder* extension_finder,
-                                int* field_number, ExtensionInfo* extension);
+                                int* field_number, ExtensionInfo* extension,
+                                bool* was_packed_on_wire);
+
+  // Returns true and fills extension if extension is found.
+  // Note to support packed repeated field compatibility, it also fills whether
+  // the tag on wire is packed, which can be different from
+  // extension->is_packed (whether packed=true is specified).
+  bool FindExtensionInfoFromFieldNumber(int wire_type, int field_number,
+                                        ExtensionFinder* extension_finder,
+                                        ExtensionInfo* extension,
+                                        bool* was_packed_on_wire);
 
   // Parses a single extension from the input. The input should start out
   // positioned immediately after the wire tag. This method is called in
-  // ParseField() after field number is extracted from the wire tag and
-  // ExtensionInfo is found by the field number.
+  // ParseField() after field number and was_packed_on_wire is extracted from
+  // the wire tag and ExtensionInfo is found by the field number.
   bool ParseFieldWithExtensionInfo(int field_number,
+                                   bool was_packed_on_wire,
                                    const ExtensionInfo& extension,
                                    io::CodedInputStream* input,
                                    FieldSkipper* field_skipper);
 
   // Like ParseField(), but this method may parse singular message extensions
   // lazily depending on the value of FLAGS_eagerly_parse_message_sets.
-  bool ParseFieldMaybeLazily(uint32 tag, io::CodedInputStream* input,
+  bool ParseFieldMaybeLazily(int wire_type, int field_number,
+                             io::CodedInputStream* input,
                              ExtensionFinder* extension_finder,
-                             FieldSkipper* field_skipper);
+                             MessageSetFieldSkipper* field_skipper);
 
   // Gets the extension with the given number, creating it if it does not
   // already exist.  Returns true if the extension did not already exist.
@@ -532,7 +567,7 @@
   // tag has been read.
   bool ParseMessageSetItem(io::CodedInputStream* input,
                            ExtensionFinder* extension_finder,
-                           FieldSkipper* field_skipper);
+                           MessageSetFieldSkipper* field_skipper);
 
 
   // Hack:  RepeatedPtrFieldBase declares ExtensionSet as a friend.  This
@@ -587,6 +622,16 @@
 //    public:
 //     typedef ? ConstType;
 //     typedef ? MutableType;
+//     // TypeTraits for singular fields and repeated fields will define the
+//     // symbol "Singular" or "Repeated" respectively. These two symbols will
+//     // be used in extension accessors to distinguish between singular
+//     // extensions and repeated extensions. If the TypeTraits for the passed
+//     // in extension doesn't have the expected symbol defined, it means the
+//     // user is passing a repeated extension to a singular accessor, or the
+//     // opposite. In that case the C++ compiler will generate an error
+//     // message "no matching member function" to inform the user.
+//     typedef ? Singular
+//     typedef ? Repeated
 //
 //     static inline ConstType Get(int number, const ExtensionSet& set);
 //     static inline void Set(int number, ConstType value, ExtensionSet* set);
@@ -625,6 +670,8 @@
 class PrimitiveTypeTraits {
  public:
   typedef Type ConstType;
+  typedef Type MutableType;
+  typedef PrimitiveTypeTraits<Type> Singular;
 
   static inline ConstType Get(int number, const ExtensionSet& set,
                               ConstType default_value);
@@ -636,11 +683,41 @@
 class RepeatedPrimitiveTypeTraits {
  public:
   typedef Type ConstType;
+  typedef Type MutableType;
+  typedef RepeatedPrimitiveTypeTraits<Type> Repeated;
+
+  typedef RepeatedField<Type> RepeatedFieldType;
 
   static inline Type Get(int number, const ExtensionSet& set, int index);
   static inline void Set(int number, int index, Type value, ExtensionSet* set);
   static inline void Add(int number, FieldType field_type,
                          bool is_packed, Type value, ExtensionSet* set);
+
+  static inline const RepeatedField<ConstType>&
+      GetRepeated(int number, const ExtensionSet& set);
+  static inline RepeatedField<Type>*
+      MutableRepeated(int number, FieldType field_type,
+                      bool is_packed, ExtensionSet* set);
+
+  static const RepeatedFieldType* GetDefaultRepeatedField();
+};
+
+// Declared here so that this can be friended below.
+void InitializeDefaultRepeatedFields();
+void DestroyDefaultRepeatedFields();
+
+class LIBPROTOBUF_EXPORT RepeatedPrimitiveGenericTypeTraits {
+ private:
+  template<typename Type> friend class RepeatedPrimitiveTypeTraits;
+  friend void InitializeDefaultRepeatedFields();
+  friend void DestroyDefaultRepeatedFields();
+  static const RepeatedField<int32>* default_repeated_field_int32_;
+  static const RepeatedField<int64>* default_repeated_field_int64_;
+  static const RepeatedField<uint32>* default_repeated_field_uint32_;
+  static const RepeatedField<uint64>* default_repeated_field_uint64_;
+  static const RepeatedField<double>* default_repeated_field_double_;
+  static const RepeatedField<float>* default_repeated_field_float_;
+  static const RepeatedField<bool>* default_repeated_field_bool_;
 };
 
 #define PROTOBUF_DEFINE_PRIMITIVE_TYPE(TYPE, METHOD)                       \
@@ -665,6 +742,26 @@
     int number, FieldType field_type, bool is_packed,                      \
     TYPE value, ExtensionSet* set) {                                       \
   set->Add##METHOD(number, field_type, is_packed, value, NULL);            \
+}                                                                          \
+template<> inline const RepeatedField<TYPE>*                               \
+    RepeatedPrimitiveTypeTraits<TYPE>::GetDefaultRepeatedField() {         \
+  return RepeatedPrimitiveGenericTypeTraits::                              \
+      default_repeated_field_##TYPE##_;                                    \
+}                                                                          \
+template<> inline const RepeatedField<TYPE>&                               \
+    RepeatedPrimitiveTypeTraits<TYPE>::GetRepeated(int number,             \
+                                               const ExtensionSet& set) {  \
+  return *reinterpret_cast<const RepeatedField<TYPE>*>(                    \
+                            set.GetRawRepeatedField(                       \
+                                number, GetDefaultRepeatedField()));       \
+}                                                                          \
+template<> inline RepeatedField<TYPE>*                                     \
+    RepeatedPrimitiveTypeTraits<TYPE>::MutableRepeated(int number,         \
+                                                   FieldType field_type,   \
+                                                   bool is_packed,         \
+                                                   ExtensionSet* set) {    \
+  return reinterpret_cast<RepeatedField<TYPE>*>(                           \
+      set->MutableRawRepeatedField(number, field_type, is_packed, NULL));  \
 }
 
 PROTOBUF_DEFINE_PRIMITIVE_TYPE( int32,  Int32)
@@ -685,6 +782,7 @@
  public:
   typedef const string& ConstType;
   typedef string* MutableType;
+  typedef StringTypeTraits Singular;
 
   static inline const string& Get(int number, const ExtensionSet& set,
                                   ConstType default_value) {
@@ -704,6 +802,9 @@
  public:
   typedef const string& ConstType;
   typedef string* MutableType;
+  typedef RepeatedStringTypeTraits Repeated;
+
+  typedef RepeatedPtrField<string> RepeatedFieldType;
 
   static inline const string& Get(int number, const ExtensionSet& set,
                                   int index) {
@@ -725,6 +826,28 @@
                             ExtensionSet* set) {
     return set->AddString(number, field_type, NULL);
   }
+  static inline const RepeatedPtrField<string>&
+      GetRepeated(int number, const ExtensionSet& set) {
+    return *reinterpret_cast<const RepeatedPtrField<string>*>(
+        set.GetRawRepeatedField(number, GetDefaultRepeatedField()));
+  }
+
+  static inline RepeatedPtrField<string>*
+      MutableRepeated(int number, FieldType field_type,
+                      bool is_packed, ExtensionSet* set) {
+    return reinterpret_cast<RepeatedPtrField<string>*>(
+        set->MutableRawRepeatedField(number, field_type,
+                                     is_packed, NULL));
+  }
+
+  static const RepeatedFieldType* GetDefaultRepeatedField() {
+    return default_repeated_field_;
+  }
+
+ private:
+  friend void InitializeDefaultRepeatedFields();
+  friend void DestroyDefaultRepeatedFields();
+  static const RepeatedFieldType *default_repeated_field_;
 };
 
 // -------------------------------------------------------------------
@@ -736,6 +859,8 @@
 class EnumTypeTraits {
  public:
   typedef Type ConstType;
+  typedef Type MutableType;
+  typedef EnumTypeTraits<Type, IsValid> Singular;
 
   static inline ConstType Get(int number, const ExtensionSet& set,
                               ConstType default_value) {
@@ -752,6 +877,10 @@
 class RepeatedEnumTypeTraits {
  public:
   typedef Type ConstType;
+  typedef Type MutableType;
+  typedef RepeatedEnumTypeTraits<Type, IsValid> Repeated;
+
+  typedef RepeatedField<Type> RepeatedFieldType;
 
   static inline ConstType Get(int number, const ExtensionSet& set, int index) {
     return static_cast<Type>(set.GetRepeatedEnum(number, index));
@@ -766,6 +895,35 @@
     GOOGLE_DCHECK(IsValid(value));
     set->AddEnum(number, field_type, is_packed, value, NULL);
   }
+  static inline const RepeatedField<Type>& GetRepeated(int number,
+                                                       const ExtensionSet&
+                                                       set) {
+    // Hack: the `Extension` struct stores a RepeatedField<int> for enums.
+    // RepeatedField<int> cannot implicitly convert to RepeatedField<EnumType>
+    // so we need to do some casting magic. See message.h for similar
+    // contortions for non-extension fields.
+    return *reinterpret_cast<const RepeatedField<Type>*>(
+        set.GetRawRepeatedField(number, GetDefaultRepeatedField()));
+  }
+
+  static inline RepeatedField<Type>* MutableRepeated(int number,
+                                                     FieldType field_type,
+                                                     bool is_packed,
+                                                     ExtensionSet* set) {
+    return reinterpret_cast<RepeatedField<Type>*>(
+        set->MutableRawRepeatedField(number, field_type, is_packed, NULL));
+  }
+
+  static const RepeatedFieldType* GetDefaultRepeatedField() {
+    // Hack: as noted above, repeated enum fields are internally stored as a
+    // RepeatedField<int>. We need to be able to instantiate global static
+    // objects to return as default (empty) repeated fields on non-existent
+    // extensions. We would not be able to know a-priori all of the enum types
+    // (values of |Type|) to instantiate all of these, so we just re-use int32's
+    // default repeated field object.
+    return reinterpret_cast<const RepeatedField<Type>*>(
+        RepeatedPrimitiveTypeTraits<int32>::GetDefaultRepeatedField());
+  }
 };
 
 // -------------------------------------------------------------------
@@ -779,6 +937,7 @@
  public:
   typedef const Type& ConstType;
   typedef Type* MutableType;
+  typedef MessageTypeTraits<Type> Singular;
 
   static inline ConstType Get(int number, const ExtensionSet& set,
                               ConstType default_value) {
@@ -794,18 +953,24 @@
                                   MutableType message, ExtensionSet* set) {
     set->SetAllocatedMessage(number, field_type, NULL, message);
   }
-  static inline MutableType Release(int number, FieldType field_type,
+  static inline MutableType Release(int number, FieldType /* field_type */,
                                     ExtensionSet* set) {
     return static_cast<Type*>(set->ReleaseMessage(
         number, Type::default_instance()));
   }
 };
 
+// forward declaration
+class RepeatedMessageGenericTypeTraits;
+
 template <typename Type>
 class RepeatedMessageTypeTraits {
  public:
   typedef const Type& ConstType;
   typedef Type* MutableType;
+  typedef RepeatedMessageTypeTraits<Type> Repeated;
+
+  typedef RepeatedPtrField<Type> RepeatedFieldType;
 
   static inline ConstType Get(int number, const ExtensionSet& set, int index) {
     return static_cast<const Type&>(set.GetRepeatedMessage(number, index));
@@ -818,8 +983,47 @@
     return static_cast<Type*>(
         set->AddMessage(number, field_type, Type::default_instance(), NULL));
   }
+  static inline const RepeatedPtrField<Type>& GetRepeated(int number,
+                                                          const ExtensionSet&
+                                                          set) {
+    // See notes above in RepeatedEnumTypeTraits::GetRepeated(): same
+    // casting hack applies here, because a RepeatedPtrField<MessageLite>
+    // cannot naturally become a RepeatedPtrType<Type> even though Type is
+    // presumably a message. google::protobuf::Message goes through similar contortions
+    // with a reinterpret_cast<>.
+    return *reinterpret_cast<const RepeatedPtrField<Type>*>(
+        set.GetRawRepeatedField(number, GetDefaultRepeatedField()));
+  }
+  static inline RepeatedPtrField<Type>* MutableRepeated(int number,
+                                                        FieldType field_type,
+                                                        bool is_packed,
+                                                        ExtensionSet* set) {
+    return reinterpret_cast<RepeatedPtrField<Type>*>(
+        set->MutableRawRepeatedField(number, field_type, is_packed, NULL));
+  }
+
+  static const RepeatedFieldType* GetDefaultRepeatedField();
 };
 
+// This class exists only to hold a generic default empty repeated field for all
+// message-type repeated field extensions.
+class LIBPROTOBUF_EXPORT RepeatedMessageGenericTypeTraits {
+ public:
+  typedef RepeatedPtrField< ::google::protobuf::MessageLite*> RepeatedFieldType;
+ private:
+  template<typename Type> friend class RepeatedMessageTypeTraits;
+  friend void InitializeDefaultRepeatedFields();
+  friend void DestroyDefaultRepeatedFields();
+  static const RepeatedFieldType* default_repeated_field_;
+};
+
+template<typename Type> inline
+    const typename RepeatedMessageTypeTraits<Type>::RepeatedFieldType*
+    RepeatedMessageTypeTraits<Type>::GetDefaultRepeatedField() {
+  return reinterpret_cast<const RepeatedFieldType*>(
+      RepeatedMessageGenericTypeTraits::default_repeated_field_);
+}
+
 // -------------------------------------------------------------------
 // ExtensionIdentifier
 
@@ -902,7 +1106,7 @@
   template <typename _proto_TypeTraits,                                       \
             ::google::protobuf::internal::FieldType _field_type,                        \
             bool _is_packed>                                                  \
-  inline typename _proto_TypeTraits::ConstType GetExtension(                  \
+  inline typename _proto_TypeTraits::Singular::ConstType GetExtension(        \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const {   \
     return _proto_TypeTraits::Get(id.number(), _extensions_,                  \
@@ -912,7 +1116,7 @@
   template <typename _proto_TypeTraits,                                       \
             ::google::protobuf::internal::FieldType _field_type,                        \
             bool _is_packed>                                                  \
-  inline typename _proto_TypeTraits::MutableType MutableExtension(            \
+  inline typename _proto_TypeTraits::Singular::MutableType MutableExtension(  \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
     return _proto_TypeTraits::Mutable(id.number(), _field_type,               \
@@ -925,7 +1129,7 @@
   inline void SetExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
-      typename _proto_TypeTraits::ConstType value) {                          \
+      typename _proto_TypeTraits::Singular::ConstType value) {                \
     _proto_TypeTraits::Set(id.number(), _field_type, value, &_extensions_);   \
   }                                                                           \
                                                                               \
@@ -935,14 +1139,14 @@
   inline void SetAllocatedExtension(                                          \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
-      typename _proto_TypeTraits::MutableType value) {                        \
+      typename _proto_TypeTraits::Singular::MutableType value) {              \
     _proto_TypeTraits::SetAllocated(id.number(), _field_type,                 \
                                     value, &_extensions_);                    \
   }                                                                           \
   template <typename _proto_TypeTraits,                                       \
             ::google::protobuf::internal::FieldType _field_type,                        \
             bool _is_packed>                                                  \
-  inline typename _proto_TypeTraits::MutableType ReleaseExtension(            \
+  inline typename _proto_TypeTraits::Singular::MutableType ReleaseExtension(  \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
     return _proto_TypeTraits::Release(id.number(), _field_type,               \
@@ -953,7 +1157,7 @@
   template <typename _proto_TypeTraits,                                       \
             ::google::protobuf::internal::FieldType _field_type,                        \
             bool _is_packed>                                                  \
-  inline typename _proto_TypeTraits::ConstType GetExtension(                  \
+  inline typename _proto_TypeTraits::Repeated::ConstType GetExtension(        \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       int index) const {                                                      \
@@ -963,7 +1167,7 @@
   template <typename _proto_TypeTraits,                                       \
             ::google::protobuf::internal::FieldType _field_type,                        \
             bool _is_packed>                                                  \
-  inline typename _proto_TypeTraits::MutableType MutableExtension(            \
+  inline typename _proto_TypeTraits::Repeated::MutableType MutableExtension(  \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
       int index) {                                                            \
@@ -976,14 +1180,14 @@
   inline void SetExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
-      int index, typename _proto_TypeTraits::ConstType value) {               \
+      int index, typename _proto_TypeTraits::Repeated::ConstType value) {     \
     _proto_TypeTraits::Set(id.number(), index, value, &_extensions_);         \
   }                                                                           \
                                                                               \
   template <typename _proto_TypeTraits,                                       \
             ::google::protobuf::internal::FieldType _field_type,                        \
             bool _is_packed>                                                  \
-  inline typename _proto_TypeTraits::MutableType AddExtension(                \
+  inline typename _proto_TypeTraits::Repeated::MutableType AddExtension(      \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) {         \
     return _proto_TypeTraits::Add(id.number(), _field_type, &_extensions_);   \
@@ -995,9 +1199,32 @@
   inline void AddExtension(                                                   \
       const ::google::protobuf::internal::ExtensionIdentifier<                          \
         CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id,           \
-      typename _proto_TypeTraits::ConstType value) {                          \
+      typename _proto_TypeTraits::Repeated::ConstType value) {                \
     _proto_TypeTraits::Add(id.number(), _field_type, _is_packed,              \
                            value, &_extensions_);                             \
+  }                                                                           \
+                                                                              \
+  template <typename _proto_TypeTraits,                                       \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
+  inline const typename _proto_TypeTraits::Repeated::RepeatedFieldType&       \
+      GetRepeatedExtension(                                                   \
+          const ::google::protobuf::internal::ExtensionIdentifier<                      \
+            CLASSNAME, _proto_TypeTraits, _field_type,                        \
+            _is_packed>& id) const {                                          \
+    return _proto_TypeTraits::GetRepeated(id.number(), _extensions_);         \
+  }                                                                           \
+                                                                              \
+  template <typename _proto_TypeTraits,                                       \
+            ::google::protobuf::internal::FieldType _field_type,                        \
+            bool _is_packed>                                                  \
+  inline typename _proto_TypeTraits::Repeated::RepeatedFieldType*             \
+      MutableRepeatedExtension(                                               \
+          const ::google::protobuf::internal::ExtensionIdentifier<                      \
+              CLASSNAME, _proto_TypeTraits, _field_type,                      \
+              _is_packed>& id) {                                              \
+    return _proto_TypeTraits::MutableRepeated(id.number(), _field_type,       \
+                                              _is_packed, &_extensions_);     \
   }
 
 }  // namespace internal
diff --git a/include/google/protobuf/generated_enum_reflection.h b/include/google/protobuf/generated_enum_reflection.h
index a09a540..3852cea 100644
--- a/include/google/protobuf/generated_enum_reflection.h
+++ b/include/google/protobuf/generated_enum_reflection.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -41,6 +41,8 @@
 
 #include <string>
 
+#include <google/protobuf/stubs/template_util.h>
+
 namespace google {
 namespace protobuf {
   class EnumDescriptor;
@@ -48,6 +50,10 @@
 
 namespace protobuf {
 
+// This type trait can be used to cause templates to only match proto2 enum
+// types.
+template <typename T> struct is_proto_enum : ::google::protobuf::internal::false_type {};
+
 // Returns the EnumDescriptor for enum type E, which must be a
 // proto-declared enum type.  Code generated by the protocol compiler
 // will include specializations of this template for each enum type declared.
diff --git a/include/google/protobuf/generated_message_reflection.h b/include/google/protobuf/generated_message_reflection.h
index c1c142f..b6671ad 100644
--- a/include/google/protobuf/generated_message_reflection.h
+++ b/include/google/protobuf/generated_message_reflection.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -61,6 +61,7 @@
 
 namespace protobuf {
 namespace internal {
+class DefaultEmptyOneof;
 
 // Defined in this file.
 class GeneratedMessageReflection;
@@ -134,6 +135,42 @@
                              const DescriptorPool* pool,
                              MessageFactory* factory,
                              int object_size);
+
+  // Similar with the construction above. Call this construction if the
+  // message has oneof definition.
+  // Parameters:
+  //   offsets:       An array of ints giving the byte offsets.
+  //                  For each oneof field, the offset is relative to the
+  //                  default_oneof_instance. These can be computed at compile
+  //                  time using the
+  //                  PROTO2_GENERATED_DEFAULT_ONEOF_FIELD_OFFSET() macro.
+  //                  For each none oneof field, the offset is related to
+  //                  the start of the message object.  These can be computed
+  //                  at compile time using the
+  //                  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET() macro.
+  //                  Besides offsets for all fields, this array also contains
+  //                  offsets for oneof unions. The offset of the i-th oneof
+  //                  union is offsets[descriptor->field_count() + i].
+  //   default_oneof_instance: The default instance of the oneofs. It is a
+  //                  struct holding the default value of all oneof fields
+  //                  for this message. It is only used to obtain pointers
+  //                  to default instances of oneof fields, which Get
+  //                  methods will return if the field is not set.
+  //   oneof_case_offset:  Offset in the message of an array of uint32s of
+  //                  size descriptor->oneof_decl_count().  Each uint32
+  //                  indicates what field is set for each oneof.
+  //   other parameters are the same with the construction above.
+  GeneratedMessageReflection(const Descriptor* descriptor,
+                             const Message* default_instance,
+                             const int offsets[],
+                             int has_bits_offset,
+                             int unknown_fields_offset,
+                             int extensions_offset,
+                             const void* default_oneof_instance,
+                             int oneof_case_offset,
+                             const DescriptorPool* pool,
+                             MessageFactory* factory,
+                             int object_size);
   ~GeneratedMessageReflection();
 
   // implements Reflection -------------------------------------------
@@ -146,11 +183,16 @@
   bool HasField(const Message& message, const FieldDescriptor* field) const;
   int FieldSize(const Message& message, const FieldDescriptor* field) const;
   void ClearField(Message* message, const FieldDescriptor* field) const;
+  bool HasOneof(const Message& message,
+                const OneofDescriptor* oneof_descriptor) const;
+  void ClearOneof(Message* message, const OneofDescriptor* field) const;
   void RemoveLast(Message* message, const FieldDescriptor* field) const;
   Message* ReleaseLast(Message* message, const FieldDescriptor* field) const;
   void Swap(Message* message1, Message* message2) const;
+  void SwapFields(Message* message1, Message* message2,
+                  const vector<const FieldDescriptor*>& fields) const;
   void SwapElements(Message* message, const FieldDescriptor* field,
-            int index1, int index2) const;
+                    int index1, int index2) const;
   void ListFields(const Message& message,
                   vector<const FieldDescriptor*>* output) const;
 
@@ -179,6 +221,11 @@
                             const FieldDescriptor* field,
                             MessageFactory* factory = NULL) const;
 
+  const FieldDescriptor* GetOneofFieldDescriptor(
+      const Message& message,
+      const OneofDescriptor* oneof_descriptor) const;
+
+ public:
   void SetInt32 (Message* message,
                  const FieldDescriptor* field, int32  value) const;
   void SetInt64 (Message* message,
@@ -200,6 +247,9 @@
                  const EnumValueDescriptor* value) const;
   Message* MutableMessage(Message* message, const FieldDescriptor* field,
                           MessageFactory* factory = NULL) const;
+  void SetAllocatedMessage(Message* message,
+                           Message* sub_message,
+                           const FieldDescriptor* field) const;
   Message* ReleaseMessage(Message* message, const FieldDescriptor* field,
                           MessageFactory* factory = NULL) const;
 
@@ -293,9 +343,11 @@
 
   const Descriptor* descriptor_;
   const Message* default_instance_;
+  const void* default_oneof_instance_;
   const int* offsets_;
 
   int has_bits_offset_;
+  int oneof_case_offset_;
   int unknown_fields_offset_;
   int extensions_offset_;
   int object_size_;
@@ -311,9 +363,17 @@
                           const FieldDescriptor* field) const;
   template <typename Type>
   inline const Type& DefaultRaw(const FieldDescriptor* field) const;
+  template <typename Type>
+  inline const Type& DefaultOneofRaw(const FieldDescriptor* field) const;
 
   inline const uint32* GetHasBits(const Message& message) const;
   inline uint32* MutableHasBits(Message* message) const;
+  inline uint32 GetOneofCase(
+      const Message& message,
+      const OneofDescriptor* oneof_descriptor) const;
+  inline uint32* MutableOneofCase(
+      Message* message,
+      const OneofDescriptor* oneof_descriptor) const;
   inline const ExtensionSet& GetExtensionSet(const Message& message) const;
   inline ExtensionSet* MutableExtensionSet(Message* message) const;
 
@@ -323,6 +383,26 @@
                      const FieldDescriptor* field) const;
   inline void ClearBit(Message* message,
                        const FieldDescriptor* field) const;
+  inline void SwapBit(Message* message1,
+                      Message* message2,
+                      const FieldDescriptor* field) const;
+
+  // This function only swaps the field. Should swap corresponding has_bit
+  // before or after using this function.
+  void SwapField(Message* message1,
+                 Message* message2,
+                 const FieldDescriptor* field) const;
+
+  void SwapOneofField(Message* message1,
+                      Message* message2,
+                      const OneofDescriptor* oneof_descriptor) const;
+
+  inline bool HasOneofField(const Message& message,
+                            const FieldDescriptor* field) const;
+  inline void SetOneofCase(Message* message,
+                           const FieldDescriptor* field) const;
+  inline void ClearOneofField(Message* message,
+                              const FieldDescriptor* field) const;
 
   template <typename Type>
   inline const Type& GetField(const Message& message,
@@ -376,9 +456,14 @@
 // be confused by an unaligned pointer.
 #define GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(TYPE, FIELD)    \
   static_cast<int>(                                           \
-    reinterpret_cast<const char*>(                            \
-      &reinterpret_cast<const TYPE*>(16)->FIELD) -            \
-    reinterpret_cast<const char*>(16))
+      reinterpret_cast<const char*>(                          \
+          &reinterpret_cast<const TYPE*>(16)->FIELD) -        \
+      reinterpret_cast<const char*>(16))
+
+#define PROTO2_GENERATED_DEFAULT_ONEOF_FIELD_OFFSET(ONEOF, FIELD)     \
+  static_cast<int>(                                                   \
+      reinterpret_cast<const char*>(&(ONEOF->FIELD))                  \
+      - reinterpret_cast<const char*>(ONEOF))
 
 // There are some places in proto2 where dynamic_cast would be useful as an
 // optimization.  For example, take Message::MergeFrom(const Message& other).
diff --git a/include/google/protobuf/generated_message_util.h b/include/google/protobuf/generated_message_util.h
index b2fb8f0..678f92a 100644
--- a/include/google/protobuf/generated_message_util.h
+++ b/include/google/protobuf/generated_message_util.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -38,13 +38,18 @@
 #ifndef GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
 #define GOOGLE_PROTOBUF_GENERATED_MESSAGE_UTIL_H__
 
+#include <assert.h>
 #include <string>
 
+#include <google/protobuf/stubs/once.h>
+
 #include <google/protobuf/stubs/common.h>
 namespace google {
+
 namespace protobuf {
 namespace internal {
 
+
 // Annotation for the compiler to emit a deprecation message if a field marked
 // with option 'deprecated=true' is used in the code, or for other things in
 // generated code which are deprecated.
@@ -59,8 +64,26 @@
 LIBPROTOBUF_EXPORT double Infinity();
 LIBPROTOBUF_EXPORT double NaN();
 
-// Constant used for empty default strings.
-LIBPROTOBUF_EXPORT extern const ::std::string kEmptyString;
+// TODO(jieluo): Change to template. We have tried to use template,
+// but it causes net/rpc/python:rpcutil_test fail (the empty string will
+// init twice). It may related to swig. Change to template after we
+// found the solution.
+
+// Default empty string object. Don't use the pointer directly. Instead, call
+// GetEmptyString() to get the reference.
+LIBPROTOBUF_EXPORT extern const ::std::string* empty_string_;
+LIBPROTOBUF_EXPORT extern ProtobufOnceType empty_string_once_init_;
+LIBPROTOBUF_EXPORT void InitEmptyString();
+
+
+LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyStringAlreadyInited() {
+  assert(empty_string_ != NULL);
+  return *empty_string_;
+}
+LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyString() {
+  ::google::protobuf::GoogleOnceInit(&empty_string_once_init_, &InitEmptyString);
+  return GetEmptyStringAlreadyInited();
+}
 
 // Defined in generated_message_reflection.cc -- not actually part of the lite
 // library.
@@ -70,6 +93,19 @@
 // get the declaration from this file.
 LIBPROTOBUF_EXPORT int StringSpaceUsedExcludingSelf(const string& str);
 
+
+// True if IsInitialized() is true for all elements of t.  Type is expected
+// to be a RepeatedPtrField<some message type>.  It's useful to have this
+// helper here to keep the protobuf compiler from ever having to emit loops in
+// IsInitialized() methods.  We want the C++ compiler to inline this or not
+// as it sees fit.
+template <class Type> bool AllAreInitialized(const Type& t) {
+  for (int i = t.size(); --i >= 0; ) {
+    if (!t.Get(i).IsInitialized()) return false;
+  }
+  return true;
+}
+
 }  // namespace internal
 }  // namespace protobuf
 
diff --git a/include/google/protobuf/io/coded_stream.h b/include/google/protobuf/io/coded_stream.h
index 66cbee0..81fabb1 100644
--- a/include/google/protobuf/io/coded_stream.h
+++ b/include/google/protobuf/io/coded_stream.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -233,11 +233,22 @@
   // Read a tag.  This calls ReadVarint32() and returns the result, or returns
   // zero (which is not a valid tag) if ReadVarint32() fails.  Also, it updates
   // the last tag value, which can be checked with LastTagWas().
-  // Always inline because this is only called in once place per parse loop
+  // Always inline because this is only called in one place per parse loop
   // but it is called for every iteration of said loop, so it should be fast.
   // GCC doesn't want to inline this by default.
   uint32 ReadTag() GOOGLE_ATTRIBUTE_ALWAYS_INLINE;
 
+  // This usually a faster alternative to ReadTag() when cutoff is a manifest
+  // constant.  It does particularly well for cutoff >= 127.  The first part
+  // of the return value is the tag that was read, though it can also be 0 in
+  // the cases where ReadTag() would return 0.  If the second part is true
+  // then the tag is known to be in [0, cutoff].  If not, the tag either is
+  // above cutoff or is 0.  (There's intentional wiggle room when tag is 0,
+  // because that can arise in several ways, and for best performance we want
+  // to avoid an extra "is tag == 0?" check here.)
+  inline std::pair<uint32, bool> ReadTagWithCutoff(uint32 cutoff)
+      GOOGLE_ATTRIBUTE_ALWAYS_INLINE;
+
   // Usually returns true if calling ReadVarint32() now would produce the given
   // value.  Will always return false if ReadVarint32() would not return the
   // given value.  If ExpectTag() returns true, it also advances past
@@ -264,8 +275,8 @@
   // zero, and ConsumedEntireMessage() will return true.
   bool ExpectAtEnd();
 
-  // If the last call to ReadTag() returned the given value, returns true.
-  // Otherwise, returns false;
+  // If the last call to ReadTag() or ReadTagWithCutoff() returned the
+  // given value, returns true.  Otherwise, returns false;
   //
   // This is needed because parsers for some types of embedded messages
   // (with field type TYPE_GROUP) don't actually know that they've reached the
@@ -333,7 +344,7 @@
   // cause integer overflows is 512MB.  The default limit is 64MB.  Apps
   // should set shorter limits if possible.  If warning_threshold is not -1,
   // a warning will be printed to stderr after warning_threshold bytes are
-  // read.  For backwards compatibility all negative values get squached to -1,
+  // read.  For backwards compatibility all negative values get squashed to -1,
   // as other negative values might have special internal meanings.
   // An error will always be printed to stderr if the limit is reached.
   //
@@ -356,6 +367,10 @@
   //   something unusual.
   void SetTotalBytesLimit(int total_bytes_limit, int warning_threshold);
 
+  // The Total Bytes Limit minus the Current Position, or -1 if there
+  // is no Total Bytes Limit.
+  int BytesUntilTotalBytesLimit() const;
+
   // Recursion Limit -------------------------------------------------
   // To prevent corrupt or malicious messages from causing stack overflows,
   // we must keep track of the depth of recursion when parsing embedded
@@ -466,7 +481,7 @@
   int overflow_bytes_;
 
   // LastTagWas() stuff.
-  uint32 last_tag_;         // result of last ReadTag().
+  uint32 last_tag_;         // result of last ReadTag() or ReadTagWithCutoff().
 
   // This is set true by ReadTag{Fallback/Slow}() if it is called when exactly
   // at EOF, or by ExpectAtEnd() when it returns true.  This happens when we
@@ -638,6 +653,9 @@
 
   // Write raw bytes, copying them from the given buffer.
   void WriteRaw(const void* buffer, int size);
+  // Like WriteRaw()  but will try to write aliased data if aliasing is
+  // turned on.
+  void WriteRawMaybeAliased(const void* data, int size);
   // Like WriteRaw()  but writing directly to the target array.
   // This is _not_ inlined, as the compiler often optimizes memcpy into inline
   // copy loops. Since this gets called by every field with string or bytes
@@ -649,8 +667,21 @@
   void WriteString(const string& str);
   // Like WriteString()  but writing directly to the target array.
   static uint8* WriteStringToArray(const string& str, uint8* target);
+  // Write the varint-encoded size of str followed by str.
+  static uint8* WriteStringWithSizeToArray(const string& str, uint8* target);
 
 
+  // Instructs the CodedOutputStream to allow the underlying
+  // ZeroCopyOutputStream to hold pointers to the original structure instead of
+  // copying, if it supports it (i.e. output->AllowsAliasing() is true).  If the
+  // underlying stream does not support aliasing, then enabling it has no
+  // affect.  For now, this only affects the behavior of
+  // WriteRawMaybeAliased().
+  //
+  // NOTE: It is caller's responsibility to ensure that the chunk of memory
+  // remains live until all of the data has been consumed from the stream.
+  void EnableAliasing(bool enabled);
+
   // Write a 32-bit little-endian integer.
   void WriteLittleEndian32(uint32 value);
   // Like WriteLittleEndian32()  but writing directly to the target array.
@@ -725,6 +756,7 @@
   int buffer_size_;
   int total_bytes_;  // Sum of sizes of all buffers seen so far.
   bool had_error_;   // Whether an error occurred during output.
+  bool aliasing_enabled_;  // See EnableAliasing().
 
   // Advance the buffer by a given number of bytes.
   void Advance(int amount);
@@ -733,6 +765,10 @@
   // Advance(buffer_size_).
   bool Refresh();
 
+  // Like WriteRaw() but may avoid copying if the underlying
+  // ZeroCopyOutputStream supports it.
+  void WriteAliasedRaw(const void* buffer, int size);
+
   static uint8* WriteVarint32FallbackToArray(uint32 value, uint8* target);
 
   // Always-inlined versions of WriteVarint* functions so that code can be
@@ -850,6 +886,45 @@
   }
 }
 
+inline std::pair<uint32, bool> CodedInputStream::ReadTagWithCutoff(
+    uint32 cutoff) {
+  // In performance-sensitive code we can expect cutoff to be a compile-time
+  // constant, and things like "cutoff >= kMax1ByteVarint" to be evaluated at
+  // compile time.
+  if (GOOGLE_PREDICT_TRUE(buffer_ < buffer_end_)) {
+    // Hot case: buffer_ non_empty, buffer_[0] in [1, 128).
+    // TODO(gpike): Is it worth rearranging this? E.g., if the number of fields
+    // is large enough then is it better to check for the two-byte case first?
+    if (static_cast<int8>(buffer_[0]) > 0) {
+      const uint32 kMax1ByteVarint = 0x7f;
+      uint32 tag = last_tag_ = buffer_[0];
+      Advance(1);
+      return make_pair(tag, cutoff >= kMax1ByteVarint || tag <= cutoff);
+    }
+    // Other hot case: cutoff >= 0x80, buffer_ has at least two bytes available,
+    // and tag is two bytes.  The latter is tested by bitwise-and-not of the
+    // first byte and the second byte.
+    if (cutoff >= 0x80 &&
+        GOOGLE_PREDICT_TRUE(buffer_ + 1 < buffer_end_) &&
+        GOOGLE_PREDICT_TRUE((buffer_[0] & ~buffer_[1]) >= 0x80)) {
+      const uint32 kMax2ByteVarint = (0x7f << 7) + 0x7f;
+      uint32 tag = last_tag_ = (1u << 7) * buffer_[1] + (buffer_[0] - 0x80);
+      Advance(2);
+      // It might make sense to test for tag == 0 now, but it is so rare that
+      // that we don't bother.  A varint-encoded 0 should be one byte unless
+      // the encoder lost its mind.  The second part of the return value of
+      // this function is allowed to be either true or false if the tag is 0,
+      // so we don't have to check for tag == 0.  We may need to check whether
+      // it exceeds cutoff.
+      bool at_or_below_cutoff = cutoff >= kMax2ByteVarint || tag <= cutoff;
+      return make_pair(tag, at_or_below_cutoff);
+    }
+  }
+  // Slow path
+  last_tag_ = ReadTagFallback();
+  return make_pair(last_tag_, static_cast<uint32>(last_tag_ - 1) < cutoff);
+}
+
 inline bool CodedInputStream::LastTagWas(uint32 expected) {
   return last_tag_ == expected;
 }
@@ -1029,6 +1104,15 @@
   WriteRaw(str.data(), static_cast<int>(str.size()));
 }
 
+inline void CodedOutputStream::WriteRawMaybeAliased(
+    const void* data, int size) {
+  if (aliasing_enabled_) {
+    WriteAliasedRaw(data, size);
+  } else {
+    WriteRaw(data, size);
+  }
+}
+
 inline uint8* CodedOutputStream::WriteStringToArray(
     const string& str, uint8* target) {
   return WriteRawToArray(str.data(), static_cast<int>(str.size()), target);
diff --git a/include/google/protobuf/io/gzip_stream.h b/include/google/protobuf/io/gzip_stream.h
index 365e9ea..c7ccc26 100644
--- a/include/google/protobuf/io/gzip_stream.h
+++ b/include/google/protobuf/io/gzip_stream.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -118,7 +118,7 @@
     ZLIB = 2,
   };
 
-  struct LIBPROTOBUF_EXPORT Options {
+  struct Options {
     // Defaults to GZIP.
     Format format;
 
diff --git a/include/google/protobuf/io/printer.h b/include/google/protobuf/io/printer.h
index 5be4854..f06cbf2 100644
--- a/include/google/protobuf/io/printer.h
+++ b/include/google/protobuf/io/printer.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/io/strtod.h b/include/google/protobuf/io/strtod.h
new file mode 100644
index 0000000..c2efc8d
--- /dev/null
+++ b/include/google/protobuf/io/strtod.h
@@ -0,0 +1,50 @@
+// 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.
+
+// A locale-independent version of strtod(), used to parse floating
+// point default values in .proto files, where the decimal separator
+// is always a dot.
+
+#ifndef GOOGLE_PROTOBUF_IO_STRTOD_H__
+#define GOOGLE_PROTOBUF_IO_STRTOD_H__
+
+namespace google {
+namespace protobuf {
+namespace io {
+
+// A locale-independent version of the standard strtod(), which always
+// uses a dot as the decimal separator.
+double NoLocaleStrtod(const char* str, char** endptr);
+
+}  // namespace io
+}  // namespace protobuf
+
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_IO_STRTOD_H__
diff --git a/include/google/protobuf/io/tokenizer.h b/include/google/protobuf/io/tokenizer.h
index d85b82f..8c6220a 100644
--- a/include/google/protobuf/io/tokenizer.h
+++ b/include/google/protobuf/io/tokenizer.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -67,7 +67,8 @@
   // Indicates that there was a warning in the input at the given line and
   // column numbers.  The numbers are zero-based, so you may want to add
   // 1 to each before printing them.
-  virtual void AddWarning(int line, int column, const string& message) { }
+  virtual void AddWarning(int /* line */, int /* column */,
+                          const string& /* message */) { }
 
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ErrorCollector);
@@ -228,6 +229,21 @@
   // Sets the comment style.
   void set_comment_style(CommentStyle style) { comment_style_ = style; }
 
+  // Whether to require whitespace between a number and a field name.
+  // Default is true. Do not use this; for Google-internal cleanup only.
+  void set_require_space_after_number(bool require) {
+    require_space_after_number_ = require;
+  }
+
+  // Whether to allow string literals to span multiple lines. Default is false.
+  // Do not use this; for Google-internal cleanup only.
+  void set_allow_multiline_strings(bool allow) {
+    allow_multiline_strings_ = allow;
+  }
+
+  // External helper: validate an identifier.
+  static bool IsIdentifier(const string& text);
+
   // -----------------------------------------------------------------
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Tokenizer);
@@ -258,6 +274,8 @@
   // Options.
   bool allow_f_after_float_;
   CommentStyle comment_style_;
+  bool require_space_after_number_;
+  bool allow_multiline_strings_;
 
   // Since we count columns we need to interpret tabs somehow.  We'll take
   // the standard 8-character definition for lack of any way to do better.
diff --git a/include/google/protobuf/io/zero_copy_stream.h b/include/google/protobuf/io/zero_copy_stream.h
index db5326f..52650fc 100644
--- a/include/google/protobuf/io/zero_copy_stream.h
+++ b/include/google/protobuf/io/zero_copy_stream.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -226,6 +226,16 @@
   // Returns the total number of bytes written since this object was created.
   virtual int64 ByteCount() const = 0;
 
+  // Write a given chunk of data to the output.  Some output streams may
+  // implement this in a way that avoids copying. Check AllowsAliasing() before
+  // calling WriteAliasedRaw(). It will GOOGLE_CHECK fail if WriteAliasedRaw() is
+  // called on a stream that does not allow aliasing.
+  //
+  // NOTE: It is caller's responsibility to ensure that the chunk of memory
+  // remains live until all of the data has been consumed from the stream.
+  virtual bool WriteAliasedRaw(const void* data, int size);
+  virtual bool AllowsAliasing() const { return false; }
+
 
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ZeroCopyOutputStream);
diff --git a/include/google/protobuf/io/zero_copy_stream_impl.h b/include/google/protobuf/io/zero_copy_stream_impl.h
index 9fedb00..0746fa6 100644
--- a/include/google/protobuf/io/zero_copy_stream_impl.h
+++ b/include/google/protobuf/io/zero_copy_stream_impl.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -344,6 +344,7 @@
  private:
   ZeroCopyInputStream* input_;
   int64 limit_;  // Decreases as we go, becomes negative if we overshoot.
+  int64 prior_bytes_read_;  // Bytes read on underlying stream at construction
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(LimitingInputStream);
 };
diff --git a/include/google/protobuf/io/zero_copy_stream_impl_lite.h b/include/google/protobuf/io/zero_copy_stream_impl_lite.h
index 153f543..e18da72 100644
--- a/include/google/protobuf/io/zero_copy_stream_impl_lite.h
+++ b/include/google/protobuf/io/zero_copy_stream_impl_lite.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -48,6 +48,7 @@
 #include <iosfwd>
 #include <google/protobuf/io/zero_copy_stream.h>
 #include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/stl_util.h>
 
 
 namespace google {
@@ -333,6 +334,19 @@
 
 // ===================================================================
 
+// Return a pointer to mutable characters underlying the given string.  The
+// return value is valid until the next time the string is resized.  We
+// trust the caller to treat the return value as an array of length s->size().
+inline char* mutable_string_data(string* s) {
+#ifdef LANG_CXX11
+  // This should be simpler & faster than string_as_array() because the latter
+  // is guaranteed to return NULL when *s is empty, so it has to check for that.
+  return &(*s)[0];
+#else
+  return string_as_array(s);
+#endif
+}
+
 }  // namespace io
 }  // namespace protobuf
 
diff --git a/include/google/protobuf/message.h b/include/google/protobuf/message.h
index 0f90bc1..9593560 100644
--- a/include/google/protobuf/message.h
+++ b/include/google/protobuf/message.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -110,15 +110,9 @@
 #ifndef GOOGLE_PROTOBUF_MESSAGE_H__
 #define GOOGLE_PROTOBUF_MESSAGE_H__
 
-#include <vector>
-#include <string>
-
-#ifdef __DECCXX
-// HP C++'s iosfwd doesn't work.
-#include <iostream>
-#else
 #include <iosfwd>
-#endif
+#include <string>
+#include <vector>
 
 #include <google/protobuf/message_lite.h>
 
@@ -126,6 +120,8 @@
 #include <google/protobuf/descriptor.h>
 
 
+#define GOOGLE_PROTOBUF_HAS_ONEOF
+
 namespace google {
 namespace protobuf {
 
@@ -184,9 +180,10 @@
   virtual void CopyFrom(const Message& from);
 
   // Merge the fields from the given message into this message.  Singular
-  // fields will be overwritten, except for embedded messages which will
-  // be merged.  Repeated fields will be concatenated.  The given message
-  // must be of the same type as this message (i.e. the exact same class).
+  // fields will be overwritten, if specified in from, except for embedded
+  // messages which will be merged.  Repeated fields will be concatenated.
+  // The given message must be of the same type as this message (i.e. the
+  // exact same class).
   virtual void MergeFrom(const Message& from);
 
   // Verifies that IsInitialized() returns true.  GOOGLE_CHECK-fails otherwise, with
@@ -388,6 +385,26 @@
   virtual void ClearField(Message* message,
                           const FieldDescriptor* field) const = 0;
 
+  // Check if the oneof is set. Returns ture if any field in oneof
+  // is set, false otherwise.
+  // TODO(jieluo) - make it pure virtual after updating all
+  // the subclasses.
+  virtual bool HasOneof(const Message& message,
+                        const OneofDescriptor* oneof_descriptor) const {
+    return false;
+  }
+
+  virtual void ClearOneof(Message* message,
+                          const OneofDescriptor* oneof_descriptor) const {}
+
+  // Returns the field descriptor if the oneof is set. NULL otherwise.
+  // TODO(jieluo) - make it pure virtual.
+  virtual const FieldDescriptor* GetOneofFieldDescriptor(
+      const Message& message,
+      const OneofDescriptor* oneof_descriptor) const {
+    return NULL;
+  }
+
   // Removes the last element of a repeated field.
   // We don't provide a way to remove any element other than the last
   // because it invites inefficient use, such as O(n^2) filtering loops
@@ -405,11 +422,17 @@
   // Swap the complete contents of two messages.
   virtual void Swap(Message* message1, Message* message2) const = 0;
 
+  // Swap fields listed in fields vector of two messages.
+  virtual void SwapFields(Message* message1,
+                          Message* message2,
+                          const vector<const FieldDescriptor*>& fields)
+      const = 0;
+
   // Swap two elements of a repeated field.
   virtual void SwapElements(Message* message,
-                    const FieldDescriptor* field,
-                    int index1,
-                    int index2) const = 0;
+                            const FieldDescriptor* field,
+                            int index1,
+                            int index2) const = 0;
 
   // List all fields of the message which are currently set.  This includes
   // extensions.  Singular fields will only be listed if HasField(field) would
@@ -502,6 +525,13 @@
   virtual Message* MutableMessage(Message* message,
                                   const FieldDescriptor* field,
                                   MessageFactory* factory = NULL) const = 0;
+  // Replaces the message specified by 'field' with the already-allocated object
+  // sub_message, passing ownership to the message.  If the field contained a
+  // message, that message is deleted.  If sub_message is NULL, the field is
+  // cleared.
+  virtual void SetAllocatedMessage(Message* message,
+                                   Message* sub_message,
+                                   const FieldDescriptor* field) const = 0;
   // Releases the message specified by 'field' and returns the pointer,
   // ReleaseMessage() will return the message the message object if it exists.
   // Otherwise, it may or may not return NULL.  In any case, if the return value
@@ -699,7 +729,7 @@
   // Calling this method twice with the same Descriptor returns the same
   // object.  The returned object remains property of the factory.  Also, any
   // objects created by calling the prototype's New() method share some data
-  // with the prototype, so these must be destoyed before the MessageFactory
+  // with the prototype, so these must be destroyed before the MessageFactory
   // is destroyed.
   //
   // The given descriptor must outlive the returned message, and hence must
@@ -757,7 +787,6 @@
     const Message& message, const FieldDescriptor* field) const; \
                                                                  \
 template<>                                                       \
-LIBPROTOBUF_EXPORT                                               \
 RepeatedField<TYPE>* Reflection::MutableRepeatedField<TYPE>(     \
     Message* message, const FieldDescriptor* field) const;
 
diff --git a/include/google/protobuf/message_lite.h b/include/google/protobuf/message_lite.h
index 1ec3068..027cabf 100644
--- a/include/google/protobuf/message_lite.h
+++ b/include/google/protobuf/message_lite.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -109,7 +109,8 @@
 
   // Parsing ---------------------------------------------------------
   // Methods for parsing in protocol buffer format.  Most of these are
-  // just simple wrappers around MergeFromCodedStream().
+  // just simple wrappers around MergeFromCodedStream().  Clear() will be called
+  // before merging the input.
 
   // Fill the message with a protocol buffer parsed from the given input
   // stream.  Returns false on a read error or if the input is in the
diff --git a/include/google/protobuf/reflection_ops.h b/include/google/protobuf/reflection_ops.h
index 60165c2..4775911 100644
--- a/include/google/protobuf/reflection_ops.h
+++ b/include/google/protobuf/reflection_ops.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/repeated_field.h b/include/google/protobuf/repeated_field.h
index 570d4b7..5005183 100644
--- a/include/google/protobuf/repeated_field.h
+++ b/include/google/protobuf/repeated_field.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -46,7 +46,11 @@
 #ifndef GOOGLE_PROTOBUF_REPEATED_FIELD_H__
 #define GOOGLE_PROTOBUF_REPEATED_FIELD_H__
 
+#ifdef _MSC_VER
+// This is required for min/max on VS2013 only.
 #include <algorithm>
+#endif
+
 #include <string>
 #include <iterator>
 #include <google/protobuf/stubs/common.h>
@@ -72,6 +76,22 @@
 
 // A utility function for logging that doesn't need any template types.
 void LogIndexOutOfBounds(int index, int size);
+
+template <typename Iter>
+inline int CalculateReserve(Iter begin, Iter end, std::forward_iterator_tag) {
+  return std::distance(begin, end);
+}
+
+template <typename Iter>
+inline int CalculateReserve(Iter begin, Iter end, std::input_iterator_tag) {
+  return -1;
+}
+
+template <typename Iter>
+inline int CalculateReserve(Iter begin, Iter end) {
+  typedef typename std::iterator_traits<Iter>::iterator_category Category;
+  return CalculateReserve(begin, end, Category());
+}
 }  // namespace internal
 
 
@@ -90,6 +110,7 @@
 
   RepeatedField& operator=(const RepeatedField& other);
 
+  bool empty() const;
   int size() const;
 
   const Element& Get(int index) const;
@@ -121,6 +142,11 @@
   Element* AddAlreadyReserved();
   int Capacity() const;
 
+  // Like STL resize.  Uses value to fill appended elements.
+  // Like Truncate() if new_size <= size(), otherwise this is
+  // O(new_size - size()).
+  void Resize(int new_size, const Element& value);
+
   // Gets the underlying array.  This pointer is possibly invalidated by
   // any add or remove operation.
   Element* mutable_data();
@@ -245,6 +271,7 @@
   template <typename TypeHandler>
   void Destroy();
 
+  bool empty() const;
   int size() const;
 
   template <typename TypeHandler>
@@ -309,8 +336,6 @@
   typename TypeHandler::Type* ReleaseCleared();
 
  private:
-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedPtrFieldBase);
-
   static const int kInitialSize = 0;
 
   void** elements_;
@@ -326,6 +351,8 @@
   static inline const typename TypeHandler::Type* cast(const void* element) {
     return reinterpret_cast<const typename TypeHandler::Type*>(element);
   }
+
+  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedPtrFieldBase);
 };
 
 template <typename GenericType>
@@ -383,7 +410,7 @@
   static void Clear(string* value) { value->clear(); }
   static void Merge(const string& from, string* to) { *to = from; }
   static const Type& default_instance() {
-    return ::google::protobuf::internal::kEmptyString;
+    return ::google::protobuf::internal::GetEmptyString();
   }
 };
 
@@ -410,6 +437,7 @@
 
   RepeatedPtrField& operator=(const RepeatedPtrField& other);
 
+  bool empty() const;
   int size() const;
 
   const Element& Get(int index) const;
@@ -568,8 +596,16 @@
   : elements_(NULL),
     current_size_(0),
     total_size_(kInitialSize) {
-  for (; begin != end; ++begin) {
-    Add(*begin);
+  int reserve = internal::CalculateReserve(begin, end);
+  if (reserve != -1) {
+    Reserve(reserve);
+    for (; begin != end; ++begin) {
+      AddAlreadyReserved(*begin);
+    }
+  } else {
+    for (; begin != end; ++begin) {
+      Add(*begin);
+    }
   }
 }
 
@@ -587,6 +623,11 @@
 }
 
 template <typename Element>
+inline bool RepeatedField<Element>::empty() const {
+  return current_size_ == 0;
+}
+
+template <typename Element>
 inline int RepeatedField<Element>::size() const {
   return current_size_;
 }
@@ -608,20 +649,33 @@
   return &elements_[current_size_++];
 }
 
+template<typename Element>
+inline void RepeatedField<Element>::Resize(int new_size, const Element& value) {
+  GOOGLE_DCHECK_GE(new_size, 0);
+  if (new_size > size()) {
+    Reserve(new_size);
+    std::fill(&elements_[current_size_], &elements_[new_size], value);
+  }
+  current_size_ = new_size;
+}
+
 template <typename Element>
 inline const Element& RepeatedField<Element>::Get(int index) const {
+  GOOGLE_DCHECK_GE(index, 0);
   GOOGLE_DCHECK_LT(index, size());
   return elements_[index];
 }
 
 template <typename Element>
 inline Element* RepeatedField<Element>::Mutable(int index) {
+  GOOGLE_DCHECK_GE(index, 0);
   GOOGLE_DCHECK_LT(index, size());
   return elements_ + index;
 }
 
 template <typename Element>
 inline void RepeatedField<Element>::Set(int index, const Element& value) {
+  GOOGLE_DCHECK_GE(index, 0);
   GOOGLE_DCHECK_LT(index, size());
   elements_[index] = value;
 }
@@ -672,6 +726,7 @@
 
 template <typename Element>
 inline void RepeatedField<Element>::MergeFrom(const RepeatedField& other) {
+  GOOGLE_CHECK_NE(&other, this);
   if (other.current_size_ != 0) {
     Reserve(current_size_ + other.current_size_);
     CopyArray(elements_ + current_size_, other.elements_, other.current_size_);
@@ -681,6 +736,7 @@
 
 template <typename Element>
 inline void RepeatedField<Element>::CopyFrom(const RepeatedField& other) {
+  if (&other == this) return;
   Clear();
   MergeFrom(other);
 }
@@ -714,7 +770,8 @@
 
 template <typename Element>
 void RepeatedField<Element>::SwapElements(int index1, int index2) {
-  std::swap(elements_[index1], elements_[index2]);
+  using std::swap;  // enable ADL with fallback
+  swap(elements_[index1], elements_[index2]);
 }
 
 template <typename Element>
@@ -814,6 +871,10 @@
   delete [] elements_;
 }
 
+inline bool RepeatedPtrFieldBase::empty() const {
+  return current_size_ == 0;
+}
+
 inline int RepeatedPtrFieldBase::size() const {
   return current_size_;
 }
@@ -821,6 +882,7 @@
 template <typename TypeHandler>
 inline const typename TypeHandler::Type&
 RepeatedPtrFieldBase::Get(int index) const {
+  GOOGLE_DCHECK_GE(index, 0);
   GOOGLE_DCHECK_LT(index, size());
   return *cast<TypeHandler>(elements_[index]);
 }
@@ -829,6 +891,7 @@
 template <typename TypeHandler>
 inline typename TypeHandler::Type*
 RepeatedPtrFieldBase::Mutable(int index) {
+  GOOGLE_DCHECK_GE(index, 0);
   GOOGLE_DCHECK_LT(index, size());
   return cast<TypeHandler>(elements_[index]);
 }
@@ -839,8 +902,8 @@
     return cast<TypeHandler>(elements_[current_size_++]);
   }
   if (allocated_size_ == total_size_) Reserve(total_size_ + 1);
-  ++allocated_size_;
   typename TypeHandler::Type* result = TypeHandler::New();
+  ++allocated_size_;
   elements_[current_size_++] = result;
   return result;
 }
@@ -861,6 +924,7 @@
 
 template <typename TypeHandler>
 inline void RepeatedPtrFieldBase::MergeFrom(const RepeatedPtrFieldBase& other) {
+  GOOGLE_CHECK_NE(&other, this);
   Reserve(current_size_ + other.current_size_);
   for (int i = 0; i < other.current_size_; i++) {
     TypeHandler::Merge(other.template Get<TypeHandler>(i), Add<TypeHandler>());
@@ -869,6 +933,7 @@
 
 template <typename TypeHandler>
 inline void RepeatedPtrFieldBase::CopyFrom(const RepeatedPtrFieldBase& other) {
+  if (&other == this) return;
   RepeatedPtrFieldBase::Clear<TypeHandler>();
   RepeatedPtrFieldBase::MergeFrom<TypeHandler>(other);
 }
@@ -901,7 +966,8 @@
 }
 
 inline void RepeatedPtrFieldBase::SwapElements(int index1, int index2) {
-  std::swap(elements_[index1], elements_[index2]);
+  using std::swap;  // enable ADL with fallback
+  swap(elements_[index1], elements_[index2]);
 }
 
 template <typename TypeHandler>
@@ -1001,7 +1067,8 @@
 
 template <typename Element>
 inline RepeatedPtrField<Element>::RepeatedPtrField(
-    const RepeatedPtrField& other) {
+    const RepeatedPtrField& other)
+    : RepeatedPtrFieldBase() {
   CopyFrom(other);
 }
 
@@ -1009,6 +1076,10 @@
 template <typename Iter>
 inline RepeatedPtrField<Element>::RepeatedPtrField(
     Iter begin, const Iter& end) {
+  int reserve = internal::CalculateReserve(begin, end);
+  if (reserve != -1) {
+    Reserve(reserve);
+  }
   for (; begin != end; ++begin) {
     *Add() = *begin;
   }
@@ -1028,6 +1099,11 @@
 }
 
 template <typename Element>
+inline bool RepeatedPtrField<Element>::empty() const {
+  return RepeatedPtrFieldBase::empty();
+}
+
+template <typename Element>
 inline int RepeatedPtrField<Element>::size() const {
   return RepeatedPtrFieldBase::size();
 }
@@ -1182,6 +1258,10 @@
   typedef std::iterator<
           std::random_access_iterator_tag, Element> superclass;
 
+  // Shadow the value_type in std::iterator<> because const_iterator::value_type
+  // needs to be T, not const T.
+  typedef typename remove_const<Element>::type value_type;
+
   // Let the compiler know that these are type names, so we don't have to
   // write "typename" in front of them everywhere.
   typedef typename superclass::reference reference;
@@ -1273,6 +1353,10 @@
   typedef std::iterator<
           std::random_access_iterator_tag, Element*> superclass;
 
+  // Shadow the value_type in std::iterator<> because const_iterator::value_type
+  // needs to be T, not const T.
+  typedef typename remove_const<Element*>::type value_type;
+
   // Let the compiler know that these are type names, so we don't have to
   // write "typename" in front of them everywhere.
   typedef typename superclass::reference reference;
diff --git a/include/google/protobuf/service.h b/include/google/protobuf/service.h
index a6a7d16..cc0b45d 100644
--- a/include/google/protobuf/service.h
+++ b/include/google/protobuf/service.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops.h b/include/google/protobuf/stubs/atomicops.h
index b8581fa..b1336e3 100644
--- a/include/google/protobuf/stubs/atomicops.h
+++ b/include/google/protobuf/stubs/atomicops.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -66,9 +66,10 @@
 #ifdef GOOGLE_PROTOBUF_ARCH_64_BIT
 // We need to be able to go between Atomic64 and AtomicWord implicitly.  This
 // means Atomic64 and AtomicWord should be the same type on 64-bit.
-#if defined(GOOGLE_PROTOBUF_OS_NACL)
+#if defined(__ILP32__) || defined(GOOGLE_PROTOBUF_OS_NACL) || defined(GOOGLE_PROTOBUF_ARCH_SPARC)
 // NaCl's intptr_t is not actually 64-bits on 64-bit!
 // http://code.google.com/p/nativeclient/issues/detail?id=1162
+// sparcv9's pointer type is 32bits
 typedef int64 Atomic64;
 #else
 typedef intptr_t Atomic64;
@@ -120,6 +121,9 @@
                                 Atomic32 old_value,
                                 Atomic32 new_value);
 
+#if defined(__MINGW32__) && defined(MemoryBarrier)
+#undef MemoryBarrier
+#endif
 void MemoryBarrier();
 void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value);
 void Acquire_Store(volatile Atomic32* ptr, Atomic32 value);
@@ -160,14 +164,21 @@
 #define GOOGLE_PROTOBUF_ATOMICOPS_ERROR \
 #error "Atomic operations are not supported on your platform"
 
+// ThreadSanitizer, http://clang.llvm.org/docs/ThreadSanitizer.html.
+#if defined(THREAD_SANITIZER)
+#include <google/protobuf/stubs/atomicops_internals_tsan.h>
 // MSVC.
-#if defined(_MSC_VER)
+#elif defined(_MSC_VER)
 #if defined(GOOGLE_PROTOBUF_ARCH_IA32) || defined(GOOGLE_PROTOBUF_ARCH_X64)
 #include <google/protobuf/stubs/atomicops_internals_x86_msvc.h>
 #else
 GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 #endif
 
+// Solaris
+#elif defined(GOOGLE_PROTOBUF_OS_SOLARIS)
+#include <google/protobuf/stubs/atomicops_internals_solaris.h>
+
 // Apple.
 #elif defined(GOOGLE_PROTOBUF_OS_APPLE)
 #include <google/protobuf/stubs/atomicops_internals_macosx.h>
@@ -176,14 +187,24 @@
 #elif defined(__GNUC__)
 #if defined(GOOGLE_PROTOBUF_ARCH_IA32) || defined(GOOGLE_PROTOBUF_ARCH_X64)
 #include <google/protobuf/stubs/atomicops_internals_x86_gcc.h>
-#elif defined(GOOGLE_PROTOBUF_ARCH_ARM)
+#elif defined(GOOGLE_PROTOBUF_ARCH_ARM) && defined(__linux__)
 #include <google/protobuf/stubs/atomicops_internals_arm_gcc.h>
+#elif defined(GOOGLE_PROTOBUF_ARCH_AARCH64)
+#include <google/protobuf/stubs/atomicops_internals_arm64_gcc.h>
 #elif defined(GOOGLE_PROTOBUF_ARCH_ARM_QNX)
 #include <google/protobuf/stubs/atomicops_internals_arm_qnx.h>
-#elif defined(GOOGLE_PROTOBUF_ARCH_MIPS)
+#elif defined(GOOGLE_PROTOBUF_ARCH_MIPS) || defined(GOOGLE_PROTOBUF_ARCH_MIPS64)
 #include <google/protobuf/stubs/atomicops_internals_mips_gcc.h>
-#elif defined(__pnacl__)
+#elif defined(__native_client__)
 #include <google/protobuf/stubs/atomicops_internals_pnacl.h>
+#elif (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4))
+#include <google/protobuf/stubs/atomicops_internals_generic_gcc.h>
+#elif defined(__clang__)
+#if __has_extension(c_atomic)
+#include <google/protobuf/stubs/atomicops_internals_generic_gcc.h>
+#else
+GOOGLE_PROTOBUF_ATOMICOPS_ERROR
+#endif
 #else
 GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 #endif
diff --git a/include/google/protobuf/stubs/atomicops_internals_arm64_gcc.h b/include/google/protobuf/stubs/atomicops_internals_arm64_gcc.h
new file mode 100644
index 0000000..0a2d2b8
--- /dev/null
+++ b/include/google/protobuf/stubs/atomicops_internals_arm64_gcc.h
@@ -0,0 +1,325 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2012 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.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM64_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM64_GCC_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline void MemoryBarrier() {
+  __asm__ __volatile__ ("dmb ish" ::: "memory");  // NOLINT
+}
+
+// NoBarrier versions of the operation include "memory" in the clobber list.
+// This is not required for direct usage of the NoBarrier versions of the
+// operations. However this is required for correctness when they are used as
+// part of the Acquire or Release versions, to ensure that nothing from outside
+// the call is reordered between the operation and the memory barrier. This does
+// not change the code generated, so has no or minimal impact on the
+// NoBarrier operations.
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 prev;
+  int32_t temp;
+
+  __asm__ __volatile__ (  // NOLINT
+    "0:                                    \n\t"
+    "ldxr %w[prev], %[ptr]                 \n\t"  // Load the previous value.
+    "cmp %w[prev], %w[old_value]           \n\t"
+    "bne 1f                                \n\t"
+    "stxr %w[temp], %w[new_value], %[ptr]  \n\t"  // Try to store the new value.
+    "cbnz %w[temp], 0b                     \n\t"  // Retry if it did not work.
+    "1:                                    \n\t"
+    : [prev]"=&r" (prev),
+      [temp]"=&r" (temp),
+      [ptr]"+Q" (*ptr)
+    : [old_value]"IJr" (old_value),
+      [new_value]"r" (new_value)
+    : "cc", "memory"
+  );  // NOLINT
+
+  return prev;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  Atomic32 result;
+  int32_t temp;
+
+  __asm__ __volatile__ (  // NOLINT
+    "0:                                    \n\t"
+    "ldxr %w[result], %[ptr]               \n\t"  // Load the previous value.
+    "stxr %w[temp], %w[new_value], %[ptr]  \n\t"  // Try to store the new value.
+    "cbnz %w[temp], 0b                     \n\t"  // Retry if it did not work.
+    : [result]"=&r" (result),
+      [temp]"=&r" (temp),
+      [ptr]"+Q" (*ptr)
+    : [new_value]"r" (new_value)
+    : "memory"
+  );  // NOLINT
+
+  return result;
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  Atomic32 result;
+  int32_t temp;
+
+  __asm__ __volatile__ (  // NOLINT
+    "0:                                       \n\t"
+    "ldxr %w[result], %[ptr]                  \n\t"  // Load the previous value.
+    "add %w[result], %w[result], %w[increment]\n\t"
+    "stxr %w[temp], %w[result], %[ptr]        \n\t"  // Try to store the result.
+    "cbnz %w[temp], 0b                        \n\t"  // Retry on failure.
+    : [result]"=&r" (result),
+      [temp]"=&r" (temp),
+      [ptr]"+Q" (*ptr)
+    : [increment]"IJr" (increment)
+    : "memory"
+  );  // NOLINT
+
+  return result;
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                        Atomic32 increment) {
+  MemoryBarrier();
+  Atomic32 result = NoBarrier_AtomicIncrement(ptr, increment);
+  MemoryBarrier();
+
+  return result;
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  Atomic32 prev = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+
+  return prev;
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  MemoryBarrier();
+  Atomic32 prev = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+
+  return prev;
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  __asm__ __volatile__ (  // NOLINT
+    "stlr %w[value], %[ptr]  \n\t"
+    : [ptr]"=Q" (*ptr)
+    : [value]"r" (value)
+    : "memory"
+  );  // NOLINT
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return *ptr;
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  Atomic32 value;
+
+  __asm__ __volatile__ (  // NOLINT
+    "ldar %w[value], %[ptr]  \n\t"
+    : [value]"=r" (value)
+    : [ptr]"Q" (*ptr)
+    : "memory"
+  );  // NOLINT
+
+  return value;
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+// 64-bit versions of the operations.
+// See the 32-bit versions for comments.
+
+inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                         Atomic64 old_value,
+                                         Atomic64 new_value) {
+  Atomic64 prev;
+  int32_t temp;
+
+  __asm__ __volatile__ (  // NOLINT
+    "0:                                    \n\t"
+    "ldxr %[prev], %[ptr]                  \n\t"
+    "cmp %[prev], %[old_value]             \n\t"
+    "bne 1f                                \n\t"
+    "stxr %w[temp], %[new_value], %[ptr]   \n\t"
+    "cbnz %w[temp], 0b                     \n\t"
+    "1:                                    \n\t"
+    : [prev]"=&r" (prev),
+      [temp]"=&r" (temp),
+      [ptr]"+Q" (*ptr)
+    : [old_value]"IJr" (old_value),
+      [new_value]"r" (new_value)
+    : "cc", "memory"
+  );  // NOLINT
+
+  return prev;
+}
+
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                         Atomic64 new_value) {
+  Atomic64 result;
+  int32_t temp;
+
+  __asm__ __volatile__ (  // NOLINT
+    "0:                                    \n\t"
+    "ldxr %[result], %[ptr]                \n\t"
+    "stxr %w[temp], %[new_value], %[ptr]   \n\t"
+    "cbnz %w[temp], 0b                     \n\t"
+    : [result]"=&r" (result),
+      [temp]"=&r" (temp),
+      [ptr]"+Q" (*ptr)
+    : [new_value]"r" (new_value)
+    : "memory"
+  );  // NOLINT
+
+  return result;
+}
+
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 increment) {
+  Atomic64 result;
+  int32_t temp;
+
+  __asm__ __volatile__ (  // NOLINT
+    "0:                                     \n\t"
+    "ldxr %[result], %[ptr]                 \n\t"
+    "add %[result], %[result], %[increment] \n\t"
+    "stxr %w[temp], %[result], %[ptr]       \n\t"
+    "cbnz %w[temp], 0b                      \n\t"
+    : [result]"=&r" (result),
+      [temp]"=&r" (temp),
+      [ptr]"+Q" (*ptr)
+    : [increment]"IJr" (increment)
+    : "memory"
+  );  // NOLINT
+
+  return result;
+}
+
+inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
+                                        Atomic64 increment) {
+  MemoryBarrier();
+  Atomic64 result = NoBarrier_AtomicIncrement(ptr, increment);
+  MemoryBarrier();
+
+  return result;
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  Atomic64 prev = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+
+  return prev;
+}
+
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  MemoryBarrier();
+  Atomic64 prev = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+
+  return prev;
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+  __asm__ __volatile__ (  // NOLINT
+    "stlr %x[value], %[ptr]  \n\t"
+    : [ptr]"=Q" (*ptr)
+    : [value]"r" (value)
+    : "memory"
+  );  // NOLINT
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+  return *ptr;
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+  Atomic64 value;
+
+  __asm__ __volatile__ (  // NOLINT
+    "ldar %x[value], %[ptr]  \n\t"
+    : [value]"=r" (value)
+    : [ptr]"Q" (*ptr)
+    : "memory"
+  );  // NOLINT
+
+  return value;
+}
+
+inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ARM64_GCC_H_
diff --git a/include/google/protobuf/stubs/atomicops_internals_arm_gcc.h b/include/google/protobuf/stubs/atomicops_internals_arm_gcc.h
index 1f4dedc..90e727b 100644
--- a/include/google/protobuf/stubs/atomicops_internals_arm_gcc.h
+++ b/include/google/protobuf/stubs/atomicops_internals_arm_gcc.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops_internals_arm_qnx.h b/include/google/protobuf/stubs/atomicops_internals_arm_qnx.h
index f050769..17dfaa5 100644
--- a/include/google/protobuf/stubs/atomicops_internals_arm_qnx.h
+++ b/include/google/protobuf/stubs/atomicops_internals_arm_qnx.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops_internals_atomicword_compat.h b/include/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
index e9d8679..eb198ff 100644
--- a/include/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
+++ b/include/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops_internals_generic_gcc.h b/include/google/protobuf/stubs/atomicops_internals_generic_gcc.h
new file mode 100644
index 0000000..dd7abf6
--- /dev/null
+++ b/include/google/protobuf/stubs/atomicops_internals_generic_gcc.h
@@ -0,0 +1,137 @@
+// Copyright 2013 Red Hat Inc.  All rights reserved.
+//
+// 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 Red Hat 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.
+
+// This file is an internal atomic implementation, use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+                              __ATOMIC_RELAXED, __ATOMIC_RELAXED);
+  return old_value;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
+                                         Atomic32 new_value) {
+  return __atomic_exchange_n(ptr, new_value, __ATOMIC_RELAXED);
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
+                                          Atomic32 increment) {
+  return __atomic_add_fetch(ptr, increment, __ATOMIC_RELAXED);
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
+                                        Atomic32 increment) {
+  return __atomic_add_fetch(ptr, increment, __ATOMIC_SEQ_CST);
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  __atomic_compare_exchange(ptr, &old_value, &new_value, true,
+                            __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
+  return old_value;
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+                              __ATOMIC_RELEASE, __ATOMIC_ACQUIRE);
+  return old_value;
+}
+
+inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
+  __atomic_store_n(ptr, value, __ATOMIC_RELAXED);
+}
+
+inline void MemoryBarrier() {
+  __sync_synchronize();
+}
+
+inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
+  __atomic_store_n(ptr, value, __ATOMIC_SEQ_CST);
+}
+
+inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
+  __atomic_store_n(ptr, value, __ATOMIC_RELEASE);
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
+  return __atomic_load_n(ptr, __ATOMIC_RELAXED);
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
+  return __atomic_load_n(ptr, __ATOMIC_ACQUIRE);
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
+  return __atomic_load_n(ptr, __ATOMIC_SEQ_CST);
+}
+
+#ifdef __LP64__
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+  __atomic_store_n(ptr, value, __ATOMIC_RELEASE);
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+  return __atomic_load_n(ptr, __ATOMIC_ACQUIRE);
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+                              __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
+  return old_value;
+}
+
+inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                         Atomic64 old_value,
+                                         Atomic64 new_value) {
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+                              __ATOMIC_RELAXED, __ATOMIC_RELAXED);
+  return old_value;
+}
+
+#endif // defined(__LP64__)
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_
diff --git a/include/google/protobuf/stubs/atomicops_internals_macosx.h b/include/google/protobuf/stubs/atomicops_internals_macosx.h
index f9b7581..7963324 100644
--- a/include/google/protobuf/stubs/atomicops_internals_macosx.h
+++ b/include/google/protobuf/stubs/atomicops_internals_macosx.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops_internals_mips_gcc.h b/include/google/protobuf/stubs/atomicops_internals_mips_gcc.h
index dc46851..e3cd14c 100644
--- a/include/google/protobuf/stubs/atomicops_internals_mips_gcc.h
+++ b/include/google/protobuf/stubs/atomicops_internals_mips_gcc.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -78,7 +78,7 @@
   __asm__ __volatile__(".set push\n"
                        ".set noreorder\n"
                        "1:\n"
-                       "ll %1, %2\n"  // old = *ptr
+                       "ll %1, %4\n"  // old = *ptr
                        "move %0, %3\n"  // temp = new_value
                        "sc %0, %2\n"  // *ptr = temp (with atomic check)
                        "beqz %0, 1b\n"  // start again on atomic error
@@ -100,7 +100,7 @@
   __asm__ __volatile__(".set push\n"
                        ".set noreorder\n"
                        "1:\n"
-                       "ll %0, %2\n"  // temp = *ptr
+                       "ll %0, %4\n"  // temp = *ptr
                        "addu %1, %0, %3\n"  // temp2 = temp + increment
                        "sc %1, %2\n"  // *ptr = temp2 (with atomic check)
                        "beqz %1, 1b\n"  // start again on atomic error
@@ -178,6 +178,132 @@
   return *ptr;
 }
 
+#if defined(__LP64__)
+// 64-bit versions of the atomic ops.
+
+inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
+                                         Atomic64 old_value,
+                                         Atomic64 new_value) {
+  Atomic64 prev, tmp;
+  __asm__ __volatile__(".set push\n"
+                       ".set noreorder\n"
+                       "1:\n"
+                       "lld %0, %5\n"  // prev = *ptr
+                       "bne %0, %3, 2f\n"  // if (prev != old_value) goto 2
+                       "move %2, %4\n"  // tmp = new_value
+                       "scd %2, %1\n"  // *ptr = tmp (with atomic check)
+                       "beqz %2, 1b\n"  // start again on atomic error
+                       "nop\n"  // delay slot nop
+                       "2:\n"
+                       ".set pop\n"
+                       : "=&r" (prev), "=m" (*ptr), "=&r" (tmp)
+                       : "Ir" (old_value), "r" (new_value), "m" (*ptr)
+                       : "memory");
+  return prev;
+}
+
+// Atomically store new_value into *ptr, returning the previous value held in
+// *ptr.  This routine implies no memory barriers.
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                         Atomic64 new_value) {
+  Atomic64 temp, old;
+  __asm__ __volatile__(".set push\n"
+                       ".set noreorder\n"
+                       "1:\n"
+                       "lld %1, %4\n"  // old = *ptr
+                       "move %0, %3\n"  // temp = new_value
+                       "scd %0, %2\n"  // *ptr = temp (with atomic check)
+                       "beqz %0, 1b\n"  // start again on atomic error
+                       "nop\n"  // delay slot nop
+                       ".set pop\n"
+                       : "=&r" (temp), "=&r" (old), "=m" (*ptr)
+                       : "r" (new_value), "m" (*ptr)
+                       : "memory");
+
+  return old;
+}
+
+// Atomically increment *ptr by "increment".  Returns the new value of
+// *ptr with the increment applied.  This routine implies no memory barriers.
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 increment) {
+  Atomic64 temp, temp2;
+
+  __asm__ __volatile__(".set push\n"
+                       ".set noreorder\n"
+                       "1:\n"
+                       "lld %0, %4\n"  // temp = *ptr
+                       "daddu %1, %0, %3\n"  // temp2 = temp + increment
+                       "scd %1, %2\n"  // *ptr = temp2 (with atomic check)
+                       "beqz %1, 1b\n"  // start again on atomic error
+                       "daddu %1, %0, %3\n"  // temp2 = temp + increment
+                       ".set pop\n"
+                       : "=&r" (temp), "=&r" (temp2), "=m" (*ptr)
+                       : "Ir" (increment), "m" (*ptr)
+                       : "memory");
+  // temp2 now holds the final value.
+  return temp2;
+}
+
+inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
+                                        Atomic64 increment) {
+  MemoryBarrier();
+  Atomic64 res = NoBarrier_AtomicIncrement(ptr, increment);
+  MemoryBarrier();
+  return res;
+}
+
+// "Acquire" operations
+// ensure that no later memory access can be reordered ahead of the operation.
+// "Release" operations ensure that no previous memory access can be reordered
+// after the operation.  "Barrier" operations have both "Acquire" and "Release"
+// semantics.   A MemoryBarrier() has "Barrier" semantics, but does no memory
+// access.
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  Atomic64 res = NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+  MemoryBarrier();
+  return res;
+}
+
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  MemoryBarrier();
+  return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+}
+
+inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
+  *ptr = value;
+  MemoryBarrier();
+}
+
+inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
+  MemoryBarrier();
+  *ptr = value;
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+  return *ptr;
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
+  Atomic64 value = *ptr;
+  MemoryBarrier();
+  return value;
+}
+
+inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
+  MemoryBarrier();
+  return *ptr;
+}
+#endif
+
 }  // namespace internal
 }  // namespace protobuf
 }  // namespace google
diff --git a/include/google/protobuf/stubs/atomicops_internals_pnacl.h b/include/google/protobuf/stubs/atomicops_internals_pnacl.h
index 04a91a8..b10ac02 100644
--- a/include/google/protobuf/stubs/atomicops_internals_pnacl.h
+++ b/include/google/protobuf/stubs/atomicops_internals_pnacl.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops_internals_tsan.h b/include/google/protobuf/stubs/atomicops_internals_tsan.h
new file mode 100644
index 0000000..0c90354
--- /dev/null
+++ b/include/google/protobuf/stubs/atomicops_internals_tsan.h
@@ -0,0 +1,219 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2013 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.
+
+// This file is an internal atomic implementation for compiler-based
+// ThreadSanitizer (http://clang.llvm.org/docs/ThreadSanitizer.html).
+// Use atomicops.h instead.
+
+#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_TSAN_H_
+#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_TSAN_H_
+
+#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
+
+#include <sanitizer/tsan_interface_atomic.h>
+
+namespace google {
+namespace protobuf {
+namespace internal {
+
+inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32 *ptr,
+                                         Atomic32 old_value,
+                                         Atomic32 new_value) {
+  Atomic32 cmp = old_value;
+  __tsan_atomic32_compare_exchange_strong(ptr, &cmp, new_value,
+      __tsan_memory_order_relaxed, __tsan_memory_order_relaxed);
+  return cmp;
+}
+
+inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32 *ptr,
+                                         Atomic32 new_value) {
+  return __tsan_atomic32_exchange(ptr, new_value,
+      __tsan_memory_order_relaxed);
+}
+
+inline Atomic32 Acquire_AtomicExchange(volatile Atomic32 *ptr,
+                                       Atomic32 new_value) {
+  return __tsan_atomic32_exchange(ptr, new_value,
+      __tsan_memory_order_acquire);
+}
+
+inline Atomic32 Release_AtomicExchange(volatile Atomic32 *ptr,
+                                       Atomic32 new_value) {
+  return __tsan_atomic32_exchange(ptr, new_value,
+      __tsan_memory_order_release);
+}
+
+inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32 *ptr,
+                                          Atomic32 increment) {
+  return increment + __tsan_atomic32_fetch_add(ptr, increment,
+      __tsan_memory_order_relaxed);
+}
+
+inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32 *ptr,
+                                        Atomic32 increment) {
+  return increment + __tsan_atomic32_fetch_add(ptr, increment,
+      __tsan_memory_order_acq_rel);
+}
+
+inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32 *ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  Atomic32 cmp = old_value;
+  __tsan_atomic32_compare_exchange_strong(ptr, &cmp, new_value,
+      __tsan_memory_order_acquire, __tsan_memory_order_acquire);
+  return cmp;
+}
+
+inline Atomic32 Release_CompareAndSwap(volatile Atomic32 *ptr,
+                                       Atomic32 old_value,
+                                       Atomic32 new_value) {
+  Atomic32 cmp = old_value;
+  __tsan_atomic32_compare_exchange_strong(ptr, &cmp, new_value,
+      __tsan_memory_order_release, __tsan_memory_order_relaxed);
+  return cmp;
+}
+
+inline void NoBarrier_Store(volatile Atomic32 *ptr, Atomic32 value) {
+  __tsan_atomic32_store(ptr, value, __tsan_memory_order_relaxed);
+}
+
+inline void Acquire_Store(volatile Atomic32 *ptr, Atomic32 value) {
+  __tsan_atomic32_store(ptr, value, __tsan_memory_order_relaxed);
+  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
+}
+
+inline void Release_Store(volatile Atomic32 *ptr, Atomic32 value) {
+  __tsan_atomic32_store(ptr, value, __tsan_memory_order_release);
+}
+
+inline Atomic32 NoBarrier_Load(volatile const Atomic32 *ptr) {
+  return __tsan_atomic32_load(ptr, __tsan_memory_order_relaxed);
+}
+
+inline Atomic32 Acquire_Load(volatile const Atomic32 *ptr) {
+  return __tsan_atomic32_load(ptr, __tsan_memory_order_acquire);
+}
+
+inline Atomic32 Release_Load(volatile const Atomic32 *ptr) {
+  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
+  return __tsan_atomic32_load(ptr, __tsan_memory_order_relaxed);
+}
+
+inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64 *ptr,
+                                         Atomic64 old_value,
+                                         Atomic64 new_value) {
+  Atomic64 cmp = old_value;
+  __tsan_atomic64_compare_exchange_strong(ptr, &cmp, new_value,
+      __tsan_memory_order_relaxed, __tsan_memory_order_relaxed);
+  return cmp;
+}
+
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64 *ptr,
+                                         Atomic64 new_value) {
+  return __tsan_atomic64_exchange(ptr, new_value, __tsan_memory_order_relaxed);
+}
+
+inline Atomic64 Acquire_AtomicExchange(volatile Atomic64 *ptr,
+                                       Atomic64 new_value) {
+  return __tsan_atomic64_exchange(ptr, new_value, __tsan_memory_order_acquire);
+}
+
+inline Atomic64 Release_AtomicExchange(volatile Atomic64 *ptr,
+                                       Atomic64 new_value) {
+  return __tsan_atomic64_exchange(ptr, new_value, __tsan_memory_order_release);
+}
+
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64 *ptr,
+                                          Atomic64 increment) {
+  return increment + __tsan_atomic64_fetch_add(ptr, increment,
+      __tsan_memory_order_relaxed);
+}
+
+inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64 *ptr,
+                                        Atomic64 increment) {
+  return increment + __tsan_atomic64_fetch_add(ptr, increment,
+      __tsan_memory_order_acq_rel);
+}
+
+inline void NoBarrier_Store(volatile Atomic64 *ptr, Atomic64 value) {
+  __tsan_atomic64_store(ptr, value, __tsan_memory_order_relaxed);
+}
+
+inline void Acquire_Store(volatile Atomic64 *ptr, Atomic64 value) {
+  __tsan_atomic64_store(ptr, value, __tsan_memory_order_relaxed);
+  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
+}
+
+inline void Release_Store(volatile Atomic64 *ptr, Atomic64 value) {
+  __tsan_atomic64_store(ptr, value, __tsan_memory_order_release);
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64 *ptr) {
+  return __tsan_atomic64_load(ptr, __tsan_memory_order_relaxed);
+}
+
+inline Atomic64 Acquire_Load(volatile const Atomic64 *ptr) {
+  return __tsan_atomic64_load(ptr, __tsan_memory_order_acquire);
+}
+
+inline Atomic64 Release_Load(volatile const Atomic64 *ptr) {
+  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
+  return __tsan_atomic64_load(ptr, __tsan_memory_order_relaxed);
+}
+
+inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64 *ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  Atomic64 cmp = old_value;
+  __tsan_atomic64_compare_exchange_strong(ptr, &cmp, new_value,
+      __tsan_memory_order_acquire, __tsan_memory_order_acquire);
+  return cmp;
+}
+
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64 *ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  Atomic64 cmp = old_value;
+  __tsan_atomic64_compare_exchange_strong(ptr, &cmp, new_value,
+      __tsan_memory_order_release, __tsan_memory_order_relaxed);
+  return cmp;
+}
+
+inline void MemoryBarrier() {
+  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
+}
+
+}  // namespace internal
+}  // namespace protobuf
+}  // namespace google
+
+#undef ATOMICOPS_COMPILER_BARRIER
+
+#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_TSAN_H_
diff --git a/include/google/protobuf/stubs/atomicops_internals_x86_gcc.h b/include/google/protobuf/stubs/atomicops_internals_x86_gcc.h
index 5324dfb..edccc59 100644
--- a/include/google/protobuf/stubs/atomicops_internals_x86_gcc.h
+++ b/include/google/protobuf/stubs/atomicops_internals_x86_gcc.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/atomicops_internals_x86_msvc.h b/include/google/protobuf/stubs/atomicops_internals_x86_msvc.h
index 6f9869d..e53a641 100644
--- a/include/google/protobuf/stubs/atomicops_internals_x86_msvc.h
+++ b/include/google/protobuf/stubs/atomicops_internals_x86_msvc.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
diff --git a/include/google/protobuf/stubs/common.h b/include/google/protobuf/stubs/common.h
index f287ddf..f096fa9 100644
--- a/include/google/protobuf/stubs/common.h
+++ b/include/google/protobuf/stubs/common.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -113,24 +113,24 @@
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 2005000
+#define GOOGLE_PROTOBUF_VERSION 2006001
 
 // The minimum library version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2005000
+#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2006000
 
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code
 // generator.
-static const int kMinHeaderVersionForLibrary = 2005000;
+static const int kMinHeaderVersionForLibrary = 2006000;
 
 // The minimum protoc version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2005000
+#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2006000
 
 // The minimum header version which works with the current version of
 // protoc.  This constant should only be used in VerifyVersion().
-static const int kMinHeaderVersionForProtoc = 2005000;
+static const int kMinHeaderVersionForProtoc = 2006000;
 
 // Verifies that the headers and libraries are compatible.  Use the macro
 // below to call this.
@@ -685,6 +685,7 @@
 #undef GOOGLE_LOG_IF
 
 #undef GOOGLE_CHECK
+#undef GOOGLE_CHECK_OK
 #undef GOOGLE_CHECK_EQ
 #undef GOOGLE_CHECK_NE
 #undef GOOGLE_CHECK_LT
@@ -711,6 +712,7 @@
 
 #define GOOGLE_CHECK(EXPRESSION) \
   GOOGLE_LOG_IF(FATAL, !(EXPRESSION)) << "CHECK failed: " #EXPRESSION ": "
+#define GOOGLE_CHECK_OK(A) GOOGLE_CHECK(A)
 #define GOOGLE_CHECK_EQ(A, B) GOOGLE_CHECK((A) == (B))
 #define GOOGLE_CHECK_NE(A, B) GOOGLE_CHECK((A) != (B))
 #define GOOGLE_CHECK_LT(A, B) GOOGLE_CHECK((A) <  (B))
@@ -720,7 +722,8 @@
 
 namespace internal {
 template<typename T>
-T* CheckNotNull(const char *file, int line, const char *name, T* val) {
+T* CheckNotNull(const char* /* file */, int /* line */,
+                const char* name, T* val) {
   if (val == NULL) {
     GOOGLE_LOG(FATAL) << name;
   }
diff --git a/include/google/protobuf/stubs/once.h b/include/google/protobuf/stubs/once.h
index 7fbc117..cc62bba 100644
--- a/include/google/protobuf/stubs/once.h
+++ b/include/google/protobuf/stubs/once.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -139,6 +139,24 @@
 
 #endif  // GOOGLE_PROTOBUF_NO_THREAD_SAFETY
 
+class GoogleOnceDynamic {
+ public:
+  GoogleOnceDynamic() : state_(GOOGLE_PROTOBUF_ONCE_INIT) { }
+
+  // If this->Init() has not been called before by any thread,
+  // execute (*func_with_arg)(arg) then return.
+  // Otherwise, wait until that prior invocation has finished
+  // executing its function, then return.
+  template<typename T>
+  void Init(void (*func_with_arg)(T*), T* arg) {
+    GoogleOnceInit<T>(&this->state_,
+                      func_with_arg,
+                      arg);
+  }
+ private:
+  ProtobufOnceType state_;
+};
+
 #define GOOGLE_PROTOBUF_DECLARE_ONCE(NAME) \
   ::google::protobuf::ProtobufOnceType NAME = GOOGLE_PROTOBUF_ONCE_INIT
 
diff --git a/include/google/protobuf/stubs/platform_macros.h b/include/google/protobuf/stubs/platform_macros.h
index b1df60e..7956d07 100644
--- a/include/google/protobuf/stubs/platform_macros.h
+++ b/include/google/protobuf/stubs/platform_macros.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2012 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -33,6 +33,9 @@
 
 #include <google/protobuf/stubs/common.h>
 
+#define GOOGLE_PROTOBUF_PLATFORM_ERROR \
+#error "Host platform was not detected as supported by protobuf"
+
 // Processor architecture detection.  For more info on what's defined, see:
 //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
 //   http://www.agner.org/optimize/calling_conventions.pdf
@@ -49,22 +52,52 @@
 #elif defined(__ARMEL__)
 #define GOOGLE_PROTOBUF_ARCH_ARM 1
 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(__aarch64__)
+#define GOOGLE_PROTOBUF_ARCH_AARCH64 1
+#define GOOGLE_PROTOBUF_ARCH_64_BIT 1
 #elif defined(__MIPSEL__)
+#if defined(__LP64__)
+#define GOOGLE_PROTOBUF_ARCH_MIPS64 1
+#define GOOGLE_PROTOBUF_ARCH_64_BIT 1
+#else
 #define GOOGLE_PROTOBUF_ARCH_MIPS 1
 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#endif
 #elif defined(__pnacl__)
 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1
-#elif defined(__ppc__)
-#define GOOGLE_PROTOBUF_ARCH_PPC 1
-#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#elif defined(sparc)
+#define GOOGLE_PROTOBUF_ARCH_SPARC 1
+#ifdef SOLARIS_64BIT_ENABLED
+#define GOOGLE_PROTOBUF_ARCH_64_BIT 1
 #else
-#error Host architecture was not detected as supported by protobuf
+#define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+#endif
+#elif defined(__GNUC__)
+# if (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4))
+// We fallback to the generic Clang/GCC >= 4.7 implementation in atomicops.h
+# elif defined(__clang__)
+#  if !__has_extension(c_atomic)
+GOOGLE_PROTOBUF_PLATFORM_ERROR
+#  endif
+// We fallback to the generic Clang/GCC >= 4.7 implementation in atomicops.h
+# endif
+# if __LP64__
+#  define GOOGLE_PROTOBUF_ARCH_64_BIT 1
+# else
+#  define GOOGLE_PROTOBUF_ARCH_32_BIT 1
+# endif
+#else
+GOOGLE_PROTOBUF_PLATFORM_ERROR
 #endif
 
 #if defined(__APPLE__)
 #define GOOGLE_PROTOBUF_OS_APPLE
 #elif defined(__native_client__)
 #define GOOGLE_PROTOBUF_OS_NACL
+#elif defined(sun)
+#define GOOGLE_PROTOBUF_OS_SOLARIS
 #endif
 
+#undef GOOGLE_PROTOBUF_PLATFORM_ERROR
+
 #endif  // GOOGLE_PROTOBUF_PLATFORM_MACROS_H_
diff --git a/include/google/protobuf/stubs/stl_util.h b/include/google/protobuf/stubs/stl_util.h
new file mode 100644
index 0000000..9e4c82a
--- /dev/null
+++ b/include/google/protobuf/stubs/stl_util.h
@@ -0,0 +1,121 @@
+// 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.
+
+// from google3/util/gtl/stl_util.h
+
+#ifndef GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__
+#define GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__
+
+#include <google/protobuf/stubs/common.h>
+
+namespace google {
+namespace protobuf {
+
+// STLDeleteContainerPointers()
+//  For a range within a container of pointers, calls delete
+//  (non-array version) on these pointers.
+// NOTE: for these three functions, we could just implement a DeleteObject
+// functor and then call for_each() on the range and functor, but this
+// requires us to pull in all of algorithm.h, which seems expensive.
+// For hash_[multi]set, it is important that this deletes behind the iterator
+// because the hash_set may call the hash function on the iterator when it is
+// advanced, which could result in the hash function trying to deference a
+// stale pointer.
+template <class ForwardIterator>
+void STLDeleteContainerPointers(ForwardIterator begin,
+                                ForwardIterator end) {
+  while (begin != end) {
+    ForwardIterator temp = begin;
+    ++begin;
+    delete *temp;
+  }
+}
+
+// Inside Google, this function implements a horrible, disgusting hack in which
+// we reach into the string's private implementation and resize it without
+// initializing the new bytes.  In some cases doing this can significantly
+// improve performance.  However, since it's totally non-portable it has no
+// place in open source code.  Feel free to fill this function in with your
+// own disgusting hack if you want the perf boost.
+inline void STLStringResizeUninitialized(string* s, size_t new_size) {
+  s->resize(new_size);
+}
+
+// Return a mutable char* pointing to a string's internal buffer,
+// which may not be null-terminated. Writing through this pointer will
+// modify the string.
+//
+// string_as_array(&str)[i] is valid for 0 <= i < str.size() until the
+// next call to a string method that invalidates iterators.
+//
+// As of 2006-04, there is no standard-blessed way of getting a
+// mutable reference to a string's internal buffer. However, issue 530
+// (http://www.open-std.org/JTC1/SC22/WG21/docs/lwg-active.html#530)
+// proposes this as the method. According to Matt Austern, this should
+// already work on all current implementations.
+inline char* string_as_array(string* str) {
+  // DO NOT USE const_cast<char*>(str->data())! See the unittest for why.
+  return str->empty() ? NULL : &*str->begin();
+}
+
+// STLDeleteElements() deletes all the elements in an STL container and clears
+// the container.  This function is suitable for use with a vector, set,
+// hash_set, or any other STL container which defines sensible begin(), end(),
+// and clear() methods.
+//
+// If container is NULL, this function is a no-op.
+//
+// As an alternative to calling STLDeleteElements() directly, consider
+// ElementDeleter (defined below), which ensures that your container's elements
+// are deleted when the ElementDeleter goes out of scope.
+template <class T>
+void STLDeleteElements(T *container) {
+  if (!container) return;
+  STLDeleteContainerPointers(container->begin(), container->end());
+  container->clear();
+}
+
+// Given an STL container consisting of (key, value) pairs, STLDeleteValues
+// deletes all the "value" components and clears the container.  Does nothing
+// in the case it's given a NULL pointer.
+
+template <class T>
+void STLDeleteValues(T *v) {
+  if (!v) return;
+  for (typename T::iterator i = v->begin(); i != v->end(); ++i) {
+    delete i->second;
+  }
+  v->clear();
+}
+
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__
diff --git a/include/google/protobuf/text_format.h b/include/google/protobuf/text_format.h
index 01f3ffb..2954941 100644
--- a/include/google/protobuf/text_format.h
+++ b/include/google/protobuf/text_format.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -39,11 +39,13 @@
 #define GOOGLE_PROTOBUF_TEXT_FORMAT_H__
 
 #include <map>
+#include <memory>
 #include <string>
 #include <vector>
+
 #include <google/protobuf/stubs/common.h>
-#include <google/protobuf/message.h>
 #include <google/protobuf/descriptor.h>
+#include <google/protobuf/message.h>
 
 namespace google {
 namespace protobuf {
@@ -85,6 +87,41 @@
                                       int index,
                                       string* output);
 
+  // The default printer that converts scalar values from fields into
+  // their string representation.
+  // You can derive from this FieldValuePrinter if you want to have
+  // fields to be printed in a different way and register it at the
+  // Printer.
+  class LIBPROTOBUF_EXPORT FieldValuePrinter {
+   public:
+    FieldValuePrinter();
+    virtual ~FieldValuePrinter();
+    virtual string PrintBool(bool val) const;
+    virtual string PrintInt32(int32 val) const;
+    virtual string PrintUInt32(uint32 val) const;
+    virtual string PrintInt64(int64 val) const;
+    virtual string PrintUInt64(uint64 val) const;
+    virtual string PrintFloat(float val) const;
+    virtual string PrintDouble(double val) const;
+    virtual string PrintString(const string& val) const;
+    virtual string PrintBytes(const string& val) const;
+    virtual string PrintEnum(int32 val, const string& name) const;
+    virtual string PrintFieldName(const Message& message,
+                                  const Reflection* reflection,
+                                  const FieldDescriptor* field) const;
+    virtual string PrintMessageStart(const Message& message,
+                                     int field_index,
+                                     int field_count,
+                                     bool single_line_mode) const;
+    virtual string PrintMessageEnd(const Message& message,
+                                   int field_index,
+                                   int field_count,
+                                   bool single_line_mode) const;
+
+   private:
+    GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldValuePrinter);
+  };
+
   // Class for those users which require more fine-grained control over how
   // a protobuffer message is printed out.
   class LIBPROTOBUF_EXPORT Printer {
@@ -120,6 +157,15 @@
       single_line_mode_ = single_line_mode;
     }
 
+    bool IsInSingleLineMode() {
+      return single_line_mode_;
+    }
+
+    // If use_field_number is true, uses field number instead of field name.
+    void SetUseFieldNumber(bool use_field_number) {
+      use_field_number_ = use_field_number;
+    }
+
     // Set true to print repeated primitives in a format like:
     //   field_name: [1, 2, 3, 4]
     // instead of printing each value on its own line.  Short format applies
@@ -132,11 +178,41 @@
     // Set true to output UTF-8 instead of ASCII.  The only difference
     // is that bytes >= 0x80 in string fields will not be escaped,
     // because they are assumed to be part of UTF-8 multi-byte
-    // sequences.
-    void SetUseUtf8StringEscaping(bool as_utf8) {
-      utf8_string_escaping_ = as_utf8;
+    // sequences. This will change the default FieldValuePrinter.
+    void SetUseUtf8StringEscaping(bool as_utf8);
+
+    // Set the default FieldValuePrinter that is used for all fields that
+    // don't have a field-specific printer registered.
+    // Takes ownership of the printer.
+    void SetDefaultFieldValuePrinter(const FieldValuePrinter* printer);
+
+    // Sets whether we want to hide unknown fields or not.
+    // Usually unknown fields are printed in a generic way that includes the
+    // tag number of the field instead of field name. However, sometimes it
+    // is useful to be able to print the message without unknown fields (e.g.
+    // for the python protobuf version to maintain consistency between its pure
+    // python and c++ implementations).
+    void SetHideUnknownFields(bool hide) {
+      hide_unknown_fields_ = hide;
     }
 
+    // If print_message_fields_in_index_order is true, print fields of a proto
+    // message using the order defined in source code instead of the field
+    // number. By default, use the field number order.
+    void SetPrintMessageFieldsInIndexOrder(
+        bool print_message_fields_in_index_order) {
+      print_message_fields_in_index_order_ =
+          print_message_fields_in_index_order;
+    }
+
+    // Register a custom field-specific FieldValuePrinter for fields
+    // with a particular FieldDescriptor.
+    // Returns "true" if the registration succeeded, or "false", if there is
+    // already a printer for that FieldDescriptor.
+    // Takes ownership of the printer on successful registration.
+    bool RegisterFieldValuePrinter(const FieldDescriptor* field,
+                                   const FieldValuePrinter* printer);
+
    private:
     // Forward declaration of an internal class used to print the text
     // output to the OutputStream (see text_format.cc for implementation).
@@ -184,9 +260,18 @@
 
     bool single_line_mode_;
 
+    bool use_field_number_;
+
     bool use_short_repeated_primitives_;
 
-    bool utf8_string_escaping_;
+    bool hide_unknown_fields_;
+
+    bool print_message_fields_in_index_order_;
+
+    scoped_ptr<const FieldValuePrinter> default_field_value_printer_;
+    typedef map<const FieldDescriptor*,
+                const FieldValuePrinter*> CustomPrinterMap;
+    CustomPrinterMap custom_printers_;
   };
 
   // Parses a text-format protocol message from the given input stream to
@@ -314,12 +399,24 @@
       allow_partial_ = allow;
     }
 
+    // Allow field names to be matched case-insensitively.
+    // This is not advisable if there are fields that only differ in case, or
+    // if you want to enforce writing in the canonical form.
+    // This is 'false' by default.
+    void AllowCaseInsensitiveField(bool allow) {
+      allow_case_insensitive_field_ = allow;
+    }
+
     // Like TextFormat::ParseFieldValueFromString
     bool ParseFieldValueFromString(const string& input,
                                    const FieldDescriptor* field,
                                    Message* output);
 
 
+    void AllowFieldNumber(bool allow) {
+      allow_field_number_ = allow;
+    }
+
    private:
     // Forward declaration of an internal class used to parse text
     // representations (see text_format.cc for implementation).
@@ -335,9 +432,15 @@
     Finder* finder_;
     ParseInfoTree* parse_info_tree_;
     bool allow_partial_;
+    bool allow_case_insensitive_field_;
     bool allow_unknown_field_;
+    bool allow_unknown_enum_;
+    bool allow_field_number_;
+    bool allow_relaxed_whitespace_;
+    bool allow_singular_overwrites_;
   };
 
+
  private:
   // Hack: ParseInfoTree declares TextFormat as a friend which should extend
   // the friendship to TextFormat::Parser::ParserImpl, but unfortunately some
@@ -358,6 +461,7 @@
   info_tree->RecordLocation(field, location);
 }
 
+
 inline TextFormat::ParseInfoTree* TextFormat::CreateNested(
     ParseInfoTree* info_tree, const FieldDescriptor* field) {
   return info_tree->CreateNested(field);
diff --git a/include/google/protobuf/unknown_field_set.h b/include/google/protobuf/unknown_field_set.h
index 825bba8..ba202eb 100644
--- a/include/google/protobuf/unknown_field_set.h
+++ b/include/google/protobuf/unknown_field_set.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -42,7 +42,6 @@
 #include <string>
 #include <vector>
 #include <google/protobuf/stubs/common.h>
-// TODO(jasonh): some people seem to rely on protobufs to include this for them!
 
 namespace google {
 namespace protobuf {
@@ -53,7 +52,7 @@
   }
   namespace internal {
     class WireFormat;               // wire_format.h
-    class UnknownFieldSetFieldSkipperUsingCord;
+    class MessageSetFieldSkipperUsingCord;
                                     // extension_set_heavy.cc
   }
 
@@ -139,7 +138,7 @@
   bool ParseFromZeroCopyStream(io::ZeroCopyInputStream* input);
   bool ParseFromArray(const void* data, int size);
   inline bool ParseFromString(const string& data) {
-    return ParseFromArray(data.data(), data.size());
+    return ParseFromArray(data.data(), static_cast<int>(data.size()));
   }
 
  private:
@@ -202,9 +201,12 @@
   // Make a deep copy of any pointers in this UnknownField.
   void DeepCopy();
 
+  // Set the wire type of this UnknownField. Should only be used when this
+  // UnknownField is being created.
+  inline void SetType(Type type);
 
-  unsigned int number_ : 29;
-  unsigned int type_   : 3;
+  uint32 number_;
+  uint32 type_;
   union {
     uint64 varint_;
     uint32 fixed32_;
@@ -234,7 +236,7 @@
 }
 
 inline int UnknownFieldSet::field_count() const {
-  return (fields_ == NULL) ? 0 : fields_->size();
+  return (fields_ == NULL) ? 0 : static_cast<int>(fields_->size());
 }
 inline const UnknownField& UnknownFieldSet::field(int index) const {
   return (*fields_)[index];
@@ -254,57 +256,62 @@
   return static_cast<Type>(type_);
 }
 
-inline uint64 UnknownField::varint () const {
-  assert(type_ == TYPE_VARINT);
+inline uint64 UnknownField::varint() const {
+  assert(type() == TYPE_VARINT);
   return varint_;
 }
 inline uint32 UnknownField::fixed32() const {
-  assert(type_ == TYPE_FIXED32);
+  assert(type() == TYPE_FIXED32);
   return fixed32_;
 }
 inline uint64 UnknownField::fixed64() const {
-  assert(type_ == TYPE_FIXED64);
+  assert(type() == TYPE_FIXED64);
   return fixed64_;
 }
 inline const string& UnknownField::length_delimited() const {
-  assert(type_ == TYPE_LENGTH_DELIMITED);
+  assert(type() == TYPE_LENGTH_DELIMITED);
   return *length_delimited_.string_value_;
 }
 inline const UnknownFieldSet& UnknownField::group() const {
-  assert(type_ == TYPE_GROUP);
+  assert(type() == TYPE_GROUP);
   return *group_;
 }
 
 inline void UnknownField::set_varint(uint64 value) {
-  assert(type_ == TYPE_VARINT);
+  assert(type() == TYPE_VARINT);
   varint_ = value;
 }
 inline void UnknownField::set_fixed32(uint32 value) {
-  assert(type_ == TYPE_FIXED32);
+  assert(type() == TYPE_FIXED32);
   fixed32_ = value;
 }
 inline void UnknownField::set_fixed64(uint64 value) {
-  assert(type_ == TYPE_FIXED64);
+  assert(type() == TYPE_FIXED64);
   fixed64_ = value;
 }
 inline void UnknownField::set_length_delimited(const string& value) {
-  assert(type_ == TYPE_LENGTH_DELIMITED);
+  assert(type() == TYPE_LENGTH_DELIMITED);
   length_delimited_.string_value_->assign(value);
 }
 inline string* UnknownField::mutable_length_delimited() {
-  assert(type_ == TYPE_LENGTH_DELIMITED);
+  assert(type() == TYPE_LENGTH_DELIMITED);
   return length_delimited_.string_value_;
 }
 inline UnknownFieldSet* UnknownField::mutable_group() {
-  assert(type_ == TYPE_GROUP);
+  assert(type() == TYPE_GROUP);
   return group_;
 }
 
 inline int UnknownField::GetLengthDelimitedSize() const {
-  GOOGLE_DCHECK_EQ(TYPE_LENGTH_DELIMITED, type_);
-  return length_delimited_.string_value_->size();
+  GOOGLE_DCHECK_EQ(TYPE_LENGTH_DELIMITED, type());
+  return static_cast<int>(length_delimited_.string_value_->size());
 }
 
+inline void UnknownField::SetType(Type type) {
+  type_ = type;
+}
+
+
 }  // namespace protobuf
 
 }  // namespace google
diff --git a/include/google/protobuf/wire_format.h b/include/google/protobuf/wire_format.h
index 6cc9002..9f26eb2 100644
--- a/include/google/protobuf/wire_format.h
+++ b/include/google/protobuf/wire_format.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -79,7 +79,7 @@
   static inline WireFormatLite::WireType WireTypeForField(
       const FieldDescriptor* field);
 
-  // Given a FieldSescriptor::Type return its WireType
+  // Given a FieldDescriptor::Type return its WireType
   static inline WireFormatLite::WireType WireTypeForFieldType(
       FieldDescriptor::Type type);
 
@@ -180,7 +180,7 @@
   // of packed repeated fields.
   static uint32 MakeTag(const FieldDescriptor* field);
 
-  // Parse a single field.  The input should start out positioned immidately
+  // Parse a single field.  The input should start out positioned immediately
   // after the tag.
   static bool ParseAndMergeField(
       uint32 tag,
@@ -228,14 +228,34 @@
   };
 
   // Verifies that a string field is valid UTF8, logging an error if not.
+  // This function will not be called by newly generated protobuf code
+  // but remains present to support existing code.
   static void VerifyUTF8String(const char* data, int size, Operation op);
+  // The NamedField variant takes a field name in order to produce an
+  // informative error message if verification fails.
+  static void VerifyUTF8StringNamedField(const char* data,
+                                         int size,
+                                         Operation op,
+                                         const char* field_name);
 
  private:
   // Verifies that a string field is valid UTF8, logging an error if not.
   static void VerifyUTF8StringFallback(
       const char* data,
       int size,
-      Operation op);
+      Operation op,
+      const char* field_name);
+
+  // Skip a MessageSet field.
+  static bool SkipMessageSetField(io::CodedInputStream* input,
+                                  uint32 field_number,
+                                  UnknownFieldSet* unknown_fields);
+
+  // Parse a MessageSet field.
+  static bool ParseAndMergeMessageSetField(uint32 field_number,
+                                           const FieldDescriptor* field,
+                                           Message* message,
+                                           io::CodedInputStream* input);
 
 
 
@@ -293,13 +313,21 @@
 inline void WireFormat::VerifyUTF8String(const char* data, int size,
     WireFormat::Operation op) {
 #ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
-  WireFormat::VerifyUTF8StringFallback(data, size, op);
+  WireFormat::VerifyUTF8StringFallback(data, size, op, NULL);
 #else
   // Avoid the compiler warning about unsued variables.
   (void)data; (void)size; (void)op;
 #endif
 }
 
+inline void WireFormat::VerifyUTF8StringNamedField(
+    const char* data, int size, WireFormat::Operation op,
+    const char* field_name) {
+#ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
+  WireFormat::VerifyUTF8StringFallback(data, size, op, field_name);
+#endif
+}
+
 
 }  // namespace internal
 }  // namespace protobuf
diff --git a/include/google/protobuf/wire_format_lite.h b/include/google/protobuf/wire_format_lite.h
index cb4fc91..21aa488 100644
--- a/include/google/protobuf/wire_format_lite.h
+++ b/include/google/protobuf/wire_format_lite.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -163,11 +163,22 @@
   // records to an UnknownFieldSet.
   static bool SkipField(io::CodedInputStream* input, uint32 tag);
 
+  // Skips a field value with the given tag.  The input should start
+  // positioned immediately after the tag. Skipped values are recorded to a
+  // CodedOutputStream.
+  static bool SkipField(io::CodedInputStream* input, uint32 tag,
+                        io::CodedOutputStream* output);
+
   // Reads and ignores a message from the input.  Skipped values are simply
   // discarded, not recorded anywhere.  See WireFormat::SkipMessage() for a
   // version that records to an UnknownFieldSet.
   static bool SkipMessage(io::CodedInputStream* input);
 
+  // Reads and ignores a message from the input.  Skipped values are recorded
+  // to a CodedOutputStream.
+  static bool SkipMessage(io::CodedInputStream* input,
+                          io::CodedOutputStream* output);
+
 // This macro does the same thing as WireFormatLite::MakeTag(), but the
 // result is usable as a compile-time constant, which makes it usable
 // as a switch case or a template input.  WireFormatLite::MakeTag() is more
@@ -228,9 +239,9 @@
   // that file to use these.
 
 // Avoid ugly line wrapping
-#define input  io::CodedInputStream*  input
-#define output io::CodedOutputStream* output
-#define field_number int field_number
+#define input  io::CodedInputStream*  input_arg
+#define output io::CodedOutputStream* output_arg
+#define field_number int field_number_arg
 #define INL GOOGLE_ATTRIBUTE_ALWAYS_INLINE
 
   // Read fields, not including tags.  The assumption is that you already
@@ -340,6 +351,10 @@
 
   static void WriteString(field_number, const string& value, output);
   static void WriteBytes (field_number, const string& value, output);
+  static void WriteStringMaybeAliased(
+      field_number, const string& value, output);
+  static void WriteBytesMaybeAliased(
+      field_number, const string& value, output);
 
   static void WriteGroup(
     field_number, const MessageLite& value, output);
@@ -490,6 +505,12 @@
       google::protobuf::io::CodedInputStream* input,
       RepeatedField<CType>* value) GOOGLE_ATTRIBUTE_ALWAYS_INLINE;
 
+  // Like ReadRepeatedFixedSizePrimitive but for packed primitive fields.
+  template <typename CType, enum FieldType DeclaredType>
+  static inline bool ReadPackedFixedSizePrimitive(
+      google::protobuf::io::CodedInputStream* input,
+      RepeatedField<CType>* value) GOOGLE_ATTRIBUTE_ALWAYS_INLINE;
+
   static const CppType kFieldTypeToCppTypeMap[];
   static const WireFormatLite::WireType kWireTypeForFieldType[];
 
@@ -518,6 +539,24 @@
   virtual void SkipUnknownEnum(int field_number, int value);
 };
 
+// Subclass of FieldSkipper which saves skipped fields to a CodedOutputStream.
+
+class LIBPROTOBUF_EXPORT CodedOutputStreamFieldSkipper : public FieldSkipper {
+ public:
+  explicit CodedOutputStreamFieldSkipper(io::CodedOutputStream* unknown_fields)
+      : unknown_fields_(unknown_fields) {}
+  virtual ~CodedOutputStreamFieldSkipper() {}
+
+  // implements FieldSkipper -----------------------------------------
+  virtual bool SkipField(io::CodedInputStream* input, uint32 tag);
+  virtual bool SkipMessage(io::CodedInputStream* input);
+  virtual void SkipUnknownEnum(int field_number, int value);
+
+ protected:
+  io::CodedOutputStream* unknown_fields_;
+};
+
+
 // inline methods ====================================================
 
 inline WireFormatLite::CppType
diff --git a/include/google/protobuf/wire_format_lite_inl.h b/include/google/protobuf/wire_format_lite_inl.h
index 641cc92..4e8ac9b 100644
--- a/include/google/protobuf/wire_format_lite_inl.h
+++ b/include/google/protobuf/wire_format_lite_inl.h
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -36,6 +36,11 @@
 #ifndef GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_INL_H__
 #define GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_INL_H__
 
+#ifdef _MSC_VER
+// This is required for min/max on VS2013 only.
+#include <algorithm>
+#endif
+
 #include <string>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message_lite.h>
@@ -150,8 +155,8 @@
 inline bool WireFormatLite::ReadPrimitive<bool, WireFormatLite::TYPE_BOOL>(
     io::CodedInputStream* input,
     bool* value) {
-  uint32 temp;
-  if (!input->ReadVarint32(&temp)) return false;
+  uint64 temp;
+  if (!input->ReadVarint64(&temp)) return false;
   *value = temp != 0;
   return true;
 }
@@ -221,10 +226,11 @@
 }
 
 template <typename CType, enum WireFormatLite::FieldType DeclaredType>
-inline bool WireFormatLite::ReadRepeatedPrimitive(int, // tag_size, unused.
-                                               uint32 tag,
-                                               io::CodedInputStream* input,
-                                               RepeatedField<CType>* values) {
+inline bool WireFormatLite::ReadRepeatedPrimitive(
+    int,  // tag_size, unused.
+    uint32 tag,
+    io::CodedInputStream* input,
+    RepeatedField<CType>* values) {
   CType value;
   if (!ReadPrimitive<CType, DeclaredType>(input, &value)) return false;
   values->Add(value);
@@ -284,7 +290,7 @@
   return true;
 }
 
-// Specializations of ReadRepeatedPrimitive for the fixed size types, which use 
+// Specializations of ReadRepeatedPrimitive for the fixed size types, which use
 // the optimized code path.
 #define READ_REPEATED_FIXED_SIZE_PRIMITIVE(CPPTYPE, DECLARED_TYPE)             \
 template <>                                                                    \
@@ -334,6 +340,86 @@
 }
 
 template <typename CType, enum WireFormatLite::FieldType DeclaredType>
+inline bool WireFormatLite::ReadPackedFixedSizePrimitive(
+    io::CodedInputStream* input, RepeatedField<CType>* values) {
+  uint32 length;
+  if (!input->ReadVarint32(&length)) return false;
+  const uint32 old_entries = values->size();
+  const uint32 new_entries = length / sizeof(CType);
+  const uint32 new_bytes = new_entries * sizeof(CType);
+  if (new_bytes != length) return false;
+  // We would *like* to pre-allocate the buffer to write into (for
+  // speed), but *must* avoid performing a very large allocation due
+  // to a malicious user-supplied "length" above.  So we have a fast
+  // path that pre-allocates when the "length" is less than a bound.
+  // We determine the bound by calling BytesUntilTotalBytesLimit() and
+  // BytesUntilLimit().  These return -1 to mean "no limit set".
+  // There are four cases:
+  // TotalBytesLimit  Limit
+  // -1               -1     Use slow path.
+  // -1               >= 0   Use fast path if length <= Limit.
+  // >= 0             -1     Use slow path.
+  // >= 0             >= 0   Use fast path if length <= min(both limits).
+  int64 bytes_limit = input->BytesUntilTotalBytesLimit();
+  if (bytes_limit == -1) {
+    bytes_limit = input->BytesUntilLimit();
+  } else {
+    bytes_limit =
+        min(bytes_limit, static_cast<int64>(input->BytesUntilLimit()));
+  }
+  if (bytes_limit >= new_bytes) {
+    // Fast-path that pre-allocates *values to the final size.
+#if defined(PROTOBUF_LITTLE_ENDIAN)
+    values->Resize(old_entries + new_entries, 0);
+    // values->mutable_data() may change after Resize(), so do this after:
+    void* dest = reinterpret_cast<void*>(values->mutable_data() + old_entries);
+    if (!input->ReadRaw(dest, new_bytes)) {
+      values->Truncate(old_entries);
+      return false;
+    }
+#else
+    values->Reserve(old_entries + new_entries);
+    CType value;
+    for (int i = 0; i < new_entries; ++i) {
+      if (!ReadPrimitive<CType, DeclaredType>(input, &value)) return false;
+      values->AddAlreadyReserved(value);
+    }
+#endif
+  } else {
+    // This is the slow-path case where "length" may be too large to
+    // safely allocate.  We read as much as we can into *values
+    // without pre-allocating "length" bytes.
+    CType value;
+    for (uint32 i = 0; i < new_entries; ++i) {
+      if (!ReadPrimitive<CType, DeclaredType>(input, &value)) return false;
+      values->Add(value);
+    }
+  }
+  return true;
+}
+
+// Specializations of ReadPackedPrimitive for the fixed size types, which use
+// an optimized code path.
+#define READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(CPPTYPE, DECLARED_TYPE)      \
+template <>                                                                    \
+inline bool WireFormatLite::ReadPackedPrimitive<                               \
+  CPPTYPE, WireFormatLite::DECLARED_TYPE>(                                     \
+    io::CodedInputStream* input,                                               \
+    RepeatedField<CPPTYPE>* values) {                                          \
+  return ReadPackedFixedSizePrimitive<                                         \
+      CPPTYPE, WireFormatLite::DECLARED_TYPE>(input, values);                  \
+}
+
+READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(uint32, TYPE_FIXED32);
+READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(uint64, TYPE_FIXED64);
+READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(int32, TYPE_SFIXED32);
+READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(int64, TYPE_SFIXED64);
+READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(float, TYPE_FLOAT);
+READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE(double, TYPE_DOUBLE);
+
+#undef READ_REPEATED_PACKED_FIXED_SIZE_PRIMITIVE
+
+template <typename CType, enum WireFormatLite::FieldType DeclaredType>
 bool WireFormatLite::ReadPackedPrimitiveNoInline(io::CodedInputStream* input,
                                                  RepeatedField<CType>* values) {
   return ReadPackedPrimitive<CType, DeclaredType>(input, values);
@@ -660,15 +746,13 @@
   //   WriteString() to avoid code duplication.  If the implementations become
   //   different, you will need to update that usage.
   target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target);
-  target = io::CodedOutputStream::WriteVarint32ToArray(value.size(), target);
-  return io::CodedOutputStream::WriteStringToArray(value, target);
+  return io::CodedOutputStream::WriteStringWithSizeToArray(value, target);
 }
 inline uint8* WireFormatLite::WriteBytesToArray(int field_number,
                                                 const string& value,
                                                 uint8* target) {
   target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target);
-  target = io::CodedOutputStream::WriteVarint32ToArray(value.size(), target);
-  return io::CodedOutputStream::WriteStringToArray(value, target);
+  return io::CodedOutputStream::WriteStringWithSizeToArray(value, target);
 }
 
 
diff --git a/lib/libprotobuf-lite.8.dylib b/lib/libprotobuf-lite.8.dylib
deleted file mode 100755
index 5b599a6..0000000
--- a/lib/libprotobuf-lite.8.dylib
+++ /dev/null
Binary files differ
diff --git a/lib/libprotobuf-lite.9.dylib b/lib/libprotobuf-lite.9.dylib
new file mode 100755
index 0000000..5721231
--- /dev/null
+++ b/lib/libprotobuf-lite.9.dylib
Binary files differ
diff --git a/lib/libprotobuf-lite.a b/lib/libprotobuf-lite.a
index 5dc37f7..92b21d9 100644
--- a/lib/libprotobuf-lite.a
+++ b/lib/libprotobuf-lite.a
Binary files differ
diff --git a/lib/libprotobuf-lite.dylib b/lib/libprotobuf-lite.dylib
index 3484cfa..3e34c1a 120000
--- a/lib/libprotobuf-lite.dylib
+++ b/lib/libprotobuf-lite.dylib
@@ -1 +1 @@
-libprotobuf-lite.8.dylib
\ No newline at end of file
+libprotobuf-lite.9.dylib
\ No newline at end of file
diff --git a/lib/libprotobuf-lite.la b/lib/libprotobuf-lite.la
deleted file mode 100755
index 22e4c6c..0000000
--- a/lib/libprotobuf-lite.la
+++ /dev/null
@@ -1,41 +0,0 @@
-# libprotobuf-lite.la - a libtool library file
-# Generated by libtool (GNU libtool) 2.4.6
-#
-# Please DO NOT delete this file!
-# It is necessary for linking the library.
-
-# The name that we can dlopen(3).
-dlname='libprotobuf-lite.8.dylib'
-
-# Names of this library.
-library_names='libprotobuf-lite.8.dylib libprotobuf-lite.dylib'
-
-# The name of the static archive.
-old_library='libprotobuf-lite.a'
-
-# Linker flags that cannot go in dependency_libs.
-inherited_linker_flags=' '
-
-# Libraries that this one depends upon.
-dependency_libs=' -lz'
-
-# Names of additional weak libraries provided by this library
-weak_library_names=''
-
-# Version information for libprotobuf-lite.
-current=8
-age=0
-revision=0
-
-# Is this an already installed library?
-installed=yes
-
-# Should we warn about portability when linking against -modules?
-shouldnotlink=no
-
-# Files to dlopen/dlpreopen
-dlopen=''
-dlpreopen=''
-
-# Directory that this library needs to be installed in:
-libdir='/tmp/libprotobuf-chaorenl/install/lib'
diff --git a/lib/libprotobuf.8.dylib b/lib/libprotobuf.8.dylib
deleted file mode 100755
index 65f178a..0000000
--- a/lib/libprotobuf.8.dylib
+++ /dev/null
Binary files differ
diff --git a/lib/libprotobuf.9.dylib b/lib/libprotobuf.9.dylib
new file mode 100755
index 0000000..460d2f4
--- /dev/null
+++ b/lib/libprotobuf.9.dylib
Binary files differ
diff --git a/lib/libprotobuf.a b/lib/libprotobuf.a
index 3d68280..7cf5527 100644
--- a/lib/libprotobuf.a
+++ b/lib/libprotobuf.a
Binary files differ
diff --git a/lib/libprotobuf.dylib b/lib/libprotobuf.dylib
index 4282cde..e5791d1 120000
--- a/lib/libprotobuf.dylib
+++ b/lib/libprotobuf.dylib
@@ -1 +1 @@
-libprotobuf.8.dylib
\ No newline at end of file
+libprotobuf.9.dylib
\ No newline at end of file
diff --git a/lib/libprotobuf.la b/lib/libprotobuf.la
deleted file mode 100755
index 1a93f04..0000000
--- a/lib/libprotobuf.la
+++ /dev/null
@@ -1,41 +0,0 @@
-# libprotobuf.la - a libtool library file
-# Generated by libtool (GNU libtool) 2.4.6
-#
-# Please DO NOT delete this file!
-# It is necessary for linking the library.
-
-# The name that we can dlopen(3).
-dlname='libprotobuf.8.dylib'
-
-# Names of this library.
-library_names='libprotobuf.8.dylib libprotobuf.dylib'
-
-# The name of the static archive.
-old_library='libprotobuf.a'
-
-# Linker flags that cannot go in dependency_libs.
-inherited_linker_flags=' '
-
-# Libraries that this one depends upon.
-dependency_libs=' -lz'
-
-# Names of additional weak libraries provided by this library
-weak_library_names=''
-
-# Version information for libprotobuf.
-current=8
-age=0
-revision=0
-
-# Is this an already installed library?
-installed=yes
-
-# Should we warn about portability when linking against -modules?
-shouldnotlink=no
-
-# Files to dlopen/dlpreopen
-dlopen=''
-dlpreopen=''
-
-# Directory that this library needs to be installed in:
-libdir='/tmp/libprotobuf-chaorenl/install/lib'
diff --git a/lib/libprotoc.8.dylib b/lib/libprotoc.8.dylib
deleted file mode 100755
index c3fe71e..0000000
--- a/lib/libprotoc.8.dylib
+++ /dev/null
Binary files differ
diff --git a/lib/libprotoc.9.dylib b/lib/libprotoc.9.dylib
new file mode 100755
index 0000000..7ac4a3f
--- /dev/null
+++ b/lib/libprotoc.9.dylib
Binary files differ
diff --git a/lib/libprotoc.a b/lib/libprotoc.a
index 45f4728..2abba9a 100644
--- a/lib/libprotoc.a
+++ b/lib/libprotoc.a
Binary files differ
diff --git a/lib/libprotoc.dylib b/lib/libprotoc.dylib
index cb30aec..e738fd8 120000
--- a/lib/libprotoc.dylib
+++ b/lib/libprotoc.dylib
@@ -1 +1 @@
-libprotoc.8.dylib
\ No newline at end of file
+libprotoc.9.dylib
\ No newline at end of file
diff --git a/lib/libprotoc.la b/lib/libprotoc.la
deleted file mode 100755
index bf059ab..0000000
--- a/lib/libprotoc.la
+++ /dev/null
@@ -1,41 +0,0 @@
-# libprotoc.la - a libtool library file
-# Generated by libtool (GNU libtool) 2.4.6
-#
-# Please DO NOT delete this file!
-# It is necessary for linking the library.
-
-# The name that we can dlopen(3).
-dlname='libprotoc.8.dylib'
-
-# Names of this library.
-library_names='libprotoc.8.dylib libprotoc.dylib'
-
-# The name of the static archive.
-old_library='libprotoc.a'
-
-# Linker flags that cannot go in dependency_libs.
-inherited_linker_flags=' '
-
-# Libraries that this one depends upon.
-dependency_libs=' /tmp/libprotobuf-chaorenl/install/lib/libprotobuf.la -lz'
-
-# Names of additional weak libraries provided by this library
-weak_library_names=''
-
-# Version information for libprotoc.
-current=8
-age=0
-revision=0
-
-# Is this an already installed library?
-installed=yes
-
-# Should we warn about portability when linking against -modules?
-shouldnotlink=no
-
-# Files to dlopen/dlpreopen
-dlopen=''
-dlpreopen=''
-
-# Directory that this library needs to be installed in:
-libdir='/tmp/libprotobuf-chaorenl/install/lib'
diff --git a/lib/pkgconfig/protobuf-lite.pc b/lib/pkgconfig/protobuf-lite.pc
deleted file mode 100644
index 15235dd..0000000
--- a/lib/pkgconfig/protobuf-lite.pc
+++ /dev/null
@@ -1,13 +0,0 @@
-prefix=/tmp/libprotobuf-chaorenl/install
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: Protocol Buffers
-Description: Google's Data Interchange Format
-Version: 2.5.0
-Libs: -L${libdir} -lprotobuf-lite -D_THREAD_SAFE  
-Cflags: -I${includedir} -D_THREAD_SAFE 
-# Commented out because it crashes pkg-config *sigh*:
-#   http://bugs.freedesktop.org/show_bug.cgi?id=13265
-# Conflicts: protobuf
diff --git a/lib/pkgconfig/protobuf.pc b/lib/pkgconfig/protobuf.pc
deleted file mode 100644
index 495f819..0000000
--- a/lib/pkgconfig/protobuf.pc
+++ /dev/null
@@ -1,14 +0,0 @@
-prefix=/tmp/libprotobuf-chaorenl/install
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: Protocol Buffers
-Description: Google's Data Interchange Format
-Version: 2.5.0
-Libs: -L${libdir} -lprotobuf -D_THREAD_SAFE  
-Libs.private: -lz 
-Cflags: -I${includedir} -D_THREAD_SAFE 
-# Commented out because it crashes pkg-config *sigh*:
-#   http://bugs.freedesktop.org/show_bug.cgi?id=13265
-# Conflicts: protobuf-lite