Generate a package name suffix ".nano" for nano messages

Also introducing an option javanano_use_deprecated_package to allow users to disable the suffix

src/google/protobuf/compiler/javanano/javanano_generator.cc

@@ -67,8 +67,15 @@ void UpdateParamsRecursively(Params& params,
       file->name(), file->options().java_outer_classname());
   }
   if (file->options().has_java_package()) {
+    string result = file->options().java_package();
+    if (!file->options().javanano_use_deprecated_package()) {
+      if (!result.empty()) {
+        result += ".";
+      }
+      result += "nano";
+    }
     params.set_java_package(
-      file->name(), file->options().java_package());
+      file->name(), result);
   }
   if (file->options().has_java_multiple_files()) {
     params.set_java_multiple_files(

src/google/protobuf/compiler/javanano/javanano_helpers.cc

@@ -200,6 +200,14 @@ string FileJavaPackage(const Params& params, const FileDescriptor* file) {
       if (!result.empty()) result += '.';
       result += file->package();
     }
+
+    if (!file->options().javanano_use_deprecated_package()) {
+      if (!result.empty()) {
+        result += ".";
+      }
+      result += "nano";
+    }
+
     return result;
   }
 }

src/google/protobuf/descriptor.pb.cc

@@ -311,7 +311,7 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
       GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(MethodDescriptorProto, _internal_metadata_),
       -1);
   FileOptions_descriptor_ = file->message_type(9);
-  static const int FileOptions_offsets_[15] = {
+  static const int FileOptions_offsets_[16] = {
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_package_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_outer_classname_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, java_multiple_files_),
@@ -326,6 +326,7 @@ void protobuf_AssignDesc_google_2fprotobuf_2fdescriptor_2eproto() {
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, cc_enable_arenas_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, objc_class_prefix_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, csharp_namespace_),
+    GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, javanano_use_deprecated_package_),
     GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(FileOptions, uninterpreted_option_),
   };
   FileOptions_reflection_ =
@@ -695,7 +696,7 @@ void protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto() {
     "_type\030\002 \001(\t\022\023\n\013output_type\030\003 \001(\t\022/\n\007opti"
     "ons\030\004 \001(\0132\036.google.protobuf.MethodOption"
     "s\022\037\n\020client_streaming\030\005 \001(\010:\005false\022\037\n\020se"
-    "rver_streaming\030\006 \001(\010:\005false\"\201\005\n\013FileOpti"
+    "rver_streaming\030\006 \001(\010:\005false\"\252\005\n\013FileOpti"
     "ons\022\024\n\014java_package\030\001 \001(\t\022\034\n\024java_outer_"
     "classname\030\010 \001(\t\022\"\n\023java_multiple_files\030\n"
     " \001(\010:\005false\022,\n\035java_generate_equals_and_"
@@ -708,55 +709,56 @@ void protobuf_AddDesc_google_2fprotobuf_2fdescriptor_2eproto() {
     "vices\030\022 \001(\010:\005false\022\031\n\ndeprecated\030\027 \001(\010:\005"
     "false\022\037\n\020cc_enable_arenas\030\037 \001(\010:\005false\022\031"
     "\n\021objc_class_prefix\030$ \001(\t\022\030\n\020csharp_name"
-    "space\030% \001(\t\022C\n\024uninterpreted_option\030\347\007 \003"
-    "(\0132$.google.protobuf.UninterpretedOption"
-    "\":\n\014OptimizeMode\022\t\n\005SPEED\020\001\022\r\n\tCODE_SIZE"
-    "\020\002\022\020\n\014LITE_RUNTIME\020\003*\t\010\350\007\020\200\200\200\200\002\"\346\001\n\016Mess"
-    "ageOptions\022&\n\027message_set_wire_format\030\001 "
-    "\001(\010:\005false\022.\n\037no_standard_descriptor_acc"
-    "essor\030\002 \001(\010:\005false\022\031\n\ndeprecated\030\003 \001(\010:\005"
-    "false\022\021\n\tmap_entry\030\007 \001(\010\022C\n\024uninterprete"
-    "d_option\030\347\007 \003(\0132$.google.protobuf.Uninte"
-    "rpretedOption*\t\010\350\007\020\200\200\200\200\002\"\230\003\n\014FieldOption"
-    "s\022:\n\005ctype\030\001 \001(\0162#.google.protobuf.Field"
-    "Options.CType:\006STRING\022\016\n\006packed\030\002 \001(\010\022\?\n"
-    "\006jstype\030\006 \001(\0162$.google.protobuf.FieldOpt"
-    "ions.JSType:\tJS_NORMAL\022\023\n\004lazy\030\005 \001(\010:\005fa"
-    "lse\022\031\n\ndeprecated\030\003 \001(\010:\005false\022\023\n\004weak\030\n"
-    " \001(\010:\005false\022C\n\024uninterpreted_option\030\347\007 \003"
-    "(\0132$.google.protobuf.UninterpretedOption"
-    "\"/\n\005CType\022\n\n\006STRING\020\000\022\010\n\004CORD\020\001\022\020\n\014STRIN"
-    "G_PIECE\020\002\"5\n\006JSType\022\r\n\tJS_NORMAL\020\000\022\r\n\tJS"
-    "_STRING\020\001\022\r\n\tJS_NUMBER\020\002*\t\010\350\007\020\200\200\200\200\002\"\215\001\n\013"
-    "EnumOptions\022\023\n\013allow_alias\030\002 \001(\010\022\031\n\ndepr"
-    "ecated\030\003 \001(\010:\005false\022C\n\024uninterpreted_opt"
-    "ion\030\347\007 \003(\0132$.google.protobuf.Uninterpret"
-    "edOption*\t\010\350\007\020\200\200\200\200\002\"}\n\020EnumValueOptions\022"
-    "\031\n\ndeprecated\030\001 \001(\010:\005false\022C\n\024uninterpre"
-    "ted_option\030\347\007 \003(\0132$.google.protobuf.Unin"
-    "terpretedOption*\t\010\350\007\020\200\200\200\200\002\"{\n\016ServiceOpt"
-    "ions\022\031\n\ndeprecated\030! \001(\010:\005false\022C\n\024unint"
-    "erpreted_option\030\347\007 \003(\0132$.google.protobuf"
-    ".UninterpretedOption*\t\010\350\007\020\200\200\200\200\002\"z\n\rMetho"
-    "dOptions\022\031\n\ndeprecated\030! \001(\010:\005false\022C\n\024u"
-    "ninterpreted_option\030\347\007 \003(\0132$.google.prot"
-    "obuf.UninterpretedOption*\t\010\350\007\020\200\200\200\200\002\"\236\002\n\023"
-    "UninterpretedOption\022;\n\004name\030\002 \003(\0132-.goog"
-    "le.protobuf.UninterpretedOption.NamePart"
-    "\022\030\n\020identifier_value\030\003 \001(\t\022\032\n\022positive_i"
-    "nt_value\030\004 \001(\004\022\032\n\022negative_int_value\030\005 \001"
-    "(\003\022\024\n\014double_value\030\006 \001(\001\022\024\n\014string_value"
-    "\030\007 \001(\014\022\027\n\017aggregate_value\030\010 \001(\t\0323\n\010NameP"
-    "art\022\021\n\tname_part\030\001 \002(\t\022\024\n\014is_extension\030\002"
-    " \002(\010\"\325\001\n\016SourceCodeInfo\022:\n\010location\030\001 \003("
-    "\0132(.google.protobuf.SourceCodeInfo.Locat"
-    "ion\032\206\001\n\010Location\022\020\n\004path\030\001 \003(\005B\002\020\001\022\020\n\004sp"
-    "an\030\002 \003(\005B\002\020\001\022\030\n\020leading_comments\030\003 \001(\t\022\031"
-    "\n\021trailing_comments\030\004 \001(\t\022!\n\031leading_det"
-    "ached_comments\030\006 \003(\tBe\n\023com.google.proto"
-    "bufB\020DescriptorProtosH\001Z\ndescriptor\242\002\003GP"
-    "B\252\002\'Google.ProtocolBuffers.DescriptorPro"
-    "tos", 4963);
+    "space\030% \001(\t\022\'\n\037javanano_use_deprecated_p"
+    "ackage\030& \001(\010\022C\n\024uninterpreted_option\030\347\007 "
+    "\003(\0132$.google.protobuf.UninterpretedOptio"
+    "n\":\n\014OptimizeMode\022\t\n\005SPEED\020\001\022\r\n\tCODE_SIZ"
+    "E\020\002\022\020\n\014LITE_RUNTIME\020\003*\t\010\350\007\020\200\200\200\200\002\"\346\001\n\016Mes"
+    "sageOptions\022&\n\027message_set_wire_format\030\001"
+    " \001(\010:\005false\022.\n\037no_standard_descriptor_ac"
+    "cessor\030\002 \001(\010:\005false\022\031\n\ndeprecated\030\003 \001(\010:"
+    "\005false\022\021\n\tmap_entry\030\007 \001(\010\022C\n\024uninterpret"
+    "ed_option\030\347\007 \003(\0132$.google.protobuf.Unint"
+    "erpretedOption*\t\010\350\007\020\200\200\200\200\002\"\230\003\n\014FieldOptio"
+    "ns\022:\n\005ctype\030\001 \001(\0162#.google.protobuf.Fiel"
+    "dOptions.CType:\006STRING\022\016\n\006packed\030\002 \001(\010\022\?"
+    "\n\006jstype\030\006 \001(\0162$.google.protobuf.FieldOp"
+    "tions.JSType:\tJS_NORMAL\022\023\n\004lazy\030\005 \001(\010:\005f"
+    "alse\022\031\n\ndeprecated\030\003 \001(\010:\005false\022\023\n\004weak\030"
+    "\n \001(\010:\005false\022C\n\024uninterpreted_option\030\347\007 "
+    "\003(\0132$.google.protobuf.UninterpretedOptio"
+    "n\"/\n\005CType\022\n\n\006STRING\020\000\022\010\n\004CORD\020\001\022\020\n\014STRI"
+    "NG_PIECE\020\002\"5\n\006JSType\022\r\n\tJS_NORMAL\020\000\022\r\n\tJ"
+    "S_STRING\020\001\022\r\n\tJS_NUMBER\020\002*\t\010\350\007\020\200\200\200\200\002\"\215\001\n"
+    "\013EnumOptions\022\023\n\013allow_alias\030\002 \001(\010\022\031\n\ndep"
+    "recated\030\003 \001(\010:\005false\022C\n\024uninterpreted_op"
+    "tion\030\347\007 \003(\0132$.google.protobuf.Uninterpre"
+    "tedOption*\t\010\350\007\020\200\200\200\200\002\"}\n\020EnumValueOptions"
+    "\022\031\n\ndeprecated\030\001 \001(\010:\005false\022C\n\024uninterpr"
+    "eted_option\030\347\007 \003(\0132$.google.protobuf.Uni"
+    "nterpretedOption*\t\010\350\007\020\200\200\200\200\002\"{\n\016ServiceOp"
+    "tions\022\031\n\ndeprecated\030! \001(\010:\005false\022C\n\024unin"
+    "terpreted_option\030\347\007 \003(\0132$.google.protobu"
+    "f.UninterpretedOption*\t\010\350\007\020\200\200\200\200\002\"z\n\rMeth"
+    "odOptions\022\031\n\ndeprecated\030! \001(\010:\005false\022C\n\024"
+    "uninterpreted_option\030\347\007 \003(\0132$.google.pro"
+    "tobuf.UninterpretedOption*\t\010\350\007\020\200\200\200\200\002\"\236\002\n"
+    "\023UninterpretedOption\022;\n\004name\030\002 \003(\0132-.goo"
+    "gle.protobuf.UninterpretedOption.NamePar"
+    "t\022\030\n\020identifier_value\030\003 \001(\t\022\032\n\022positive_"
+    "int_value\030\004 \001(\004\022\032\n\022negative_int_value\030\005 "
+    "\001(\003\022\024\n\014double_value\030\006 \001(\001\022\024\n\014string_valu"
+    "e\030\007 \001(\014\022\027\n\017aggregate_value\030\010 \001(\t\0323\n\010Name"
+    "Part\022\021\n\tname_part\030\001 \002(\t\022\024\n\014is_extension\030"
+    "\002 \002(\010\"\325\001\n\016SourceCodeInfo\022:\n\010location\030\001 \003"
+    "(\0132(.google.protobuf.SourceCodeInfo.Loca"
+    "tion\032\206\001\n\010Location\022\020\n\004path\030\001 \003(\005B\002\020\001\022\020\n\004s"
+    "pan\030\002 \003(\005B\002\020\001\022\030\n\020leading_comments\030\003 \001(\t\022"
+    "\031\n\021trailing_comments\030\004 \001(\t\022!\n\031leading_de"
+    "tached_comments\030\006 \003(\tBh\n\023com.google.prot"
+    "obufB\020DescriptorProtosH\001Z\ndescriptor\242\002\003G"
+    "PB\252\002\'Google.ProtocolBuffers.DescriptorPr"
+    "otos\260\002\001", 5007);
   ::google::protobuf::MessageFactory::InternalRegisterGeneratedFile(
     "google/protobuf/descriptor.proto", &protobuf_RegisterTypes);
   FileDescriptorSet::default_instance_ = new FileDescriptorSet();
@@ -7598,6 +7600,7 @@ const int FileOptions::kDeprecatedFieldNumber;
 const int FileOptions::kCcEnableArenasFieldNumber;
 const int FileOptions::kObjcClassPrefixFieldNumber;
 const int FileOptions::kCsharpNamespaceFieldNumber;
+const int FileOptions::kJavananoUseDeprecatedPackageFieldNumber;
 const int FileOptions::kUninterpretedOptionFieldNumber;
 #endif  // !_MSC_VER
 
@@ -7635,6 +7638,7 @@ void FileOptions::SharedCtor() {
   cc_enable_arenas_ = false;
   objc_class_prefix_.UnsafeSetDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
   csharp_namespace_.UnsafeSetDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  javanano_use_deprecated_package_ = false;
   ::memset(_has_bits_, 0, sizeof(_has_bits_));
 }
 
@@ -7701,8 +7705,8 @@ void FileOptions::Clear() {
       go_package_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     }
   }
-  if (_has_bits_[8 / 32] & 16128u) {
-    ZR_(java_generic_services_, cc_enable_arenas_);
+  if (_has_bits_[8 / 32] & 32512u) {
+    ZR_(java_generic_services_, javanano_use_deprecated_package_);
     if (has_objc_class_prefix()) {
       objc_class_prefix_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
     }
@@ -7951,6 +7955,21 @@ bool FileOptions::MergePartialFromCodedStream(
         } else {
           goto handle_unusual;
         }
+        if (input->ExpectTag(304)) goto parse_javanano_use_deprecated_package;
+        break;
+      }
+
+      // optional bool javanano_use_deprecated_package = 38;
+      case 38: {
+        if (tag == 304) {
+         parse_javanano_use_deprecated_package:
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &javanano_use_deprecated_package_)));
+          set_has_javanano_use_deprecated_package();
+        } else {
+          goto handle_unusual;
+        }
         if (input->ExpectTag(7994)) goto parse_uninterpreted_option;
         break;
       }
@@ -8098,6 +8117,11 @@ void FileOptions::SerializeWithCachedSizes(
       37, this->csharp_namespace(), output);
   }
 
+  // optional bool javanano_use_deprecated_package = 38;
+  if (has_javanano_use_deprecated_package()) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(38, this->javanano_use_deprecated_package(), output);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (unsigned int i = 0, n = this->uninterpreted_option_size(); i < n; i++) {
     ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
@@ -8219,6 +8243,11 @@ void FileOptions::SerializeWithCachedSizes(
         37, this->csharp_namespace(), target);
   }
 
+  // optional bool javanano_use_deprecated_package = 38;
+  if (has_javanano_use_deprecated_package()) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(38, this->javanano_use_deprecated_package(), target);
+  }
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   for (unsigned int i = 0, n = this->uninterpreted_option_size(); i < n; i++) {
     target = ::google::protobuf::internal::WireFormatLite::
@@ -8290,7 +8319,7 @@ int FileOptions::ByteSize() const {
     }
 
   }
-  if (_has_bits_[8 / 32] & 16128u) {
+  if (_has_bits_[8 / 32] & 32512u) {
     // optional bool java_generic_services = 17 [default = false];
     if (has_java_generic_services()) {
       total_size += 2 + 1;
@@ -8325,6 +8354,11 @@ int FileOptions::ByteSize() const {
           this->csharp_namespace());
     }
 
+    // optional bool javanano_use_deprecated_package = 38;
+    if (has_javanano_use_deprecated_package()) {
+      total_size += 2 + 1;
+    }
+
   }
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   total_size += 2 * this->uninterpreted_option_size();
@@ -8412,6 +8446,9 @@ void FileOptions::MergeFrom(const FileOptions& from) {
       set_has_csharp_namespace();
       csharp_namespace_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.csharp_namespace_);
     }
+    if (from.has_javanano_use_deprecated_package()) {
+      set_javanano_use_deprecated_package(from.javanano_use_deprecated_package());
+    }
   }
   _extensions_.MergeFrom(from._extensions_);
   if (from._internal_metadata_.have_unknown_fields()) {
@@ -8457,6 +8494,7 @@ void FileOptions::InternalSwap(FileOptions* other) {
   std::swap(cc_enable_arenas_, other->cc_enable_arenas_);
   objc_class_prefix_.Swap(&other->objc_class_prefix_);
   csharp_namespace_.Swap(&other->csharp_namespace_);
+  std::swap(javanano_use_deprecated_package_, other->javanano_use_deprecated_package_);
   uninterpreted_option_.UnsafeArenaSwap(&other->uninterpreted_option_);
   std::swap(_has_bits_[0], other->_has_bits_[0]);
   _internal_metadata_.Swap(&other->_internal_metadata_);
@@ -8957,6 +8995,30 @@ void FileOptions::clear_csharp_namespace() {
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileOptions.csharp_namespace)
 }
 
+// optional bool javanano_use_deprecated_package = 38;
+bool FileOptions::has_javanano_use_deprecated_package() const {
+  return (_has_bits_[0] & 0x00004000u) != 0;
+}
+void FileOptions::set_has_javanano_use_deprecated_package() {
+  _has_bits_[0] |= 0x00004000u;
+}
+void FileOptions::clear_has_javanano_use_deprecated_package() {
+  _has_bits_[0] &= ~0x00004000u;
+}
+void FileOptions::clear_javanano_use_deprecated_package() {
+  javanano_use_deprecated_package_ = false;
+  clear_has_javanano_use_deprecated_package();
+}
+ bool FileOptions::javanano_use_deprecated_package() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.javanano_use_deprecated_package)
+  return javanano_use_deprecated_package_;
+}
+ void FileOptions::set_javanano_use_deprecated_package(bool value) {
+  set_has_javanano_use_deprecated_package();
+  javanano_use_deprecated_package_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.javanano_use_deprecated_package)
+}
+
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 int FileOptions::uninterpreted_option_size() const {
   return uninterpreted_option_.size();

src/google/protobuf/descriptor.pb.h

@@ -2000,6 +2000,13 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   ::std::string* release_csharp_namespace();
   void set_allocated_csharp_namespace(::std::string* csharp_namespace);
 
+  // optional bool javanano_use_deprecated_package = 38;
+  bool has_javanano_use_deprecated_package() const;
+  void clear_javanano_use_deprecated_package();
+  static const int kJavananoUseDeprecatedPackageFieldNumber = 38;
+  bool javanano_use_deprecated_package() const;
+  void set_javanano_use_deprecated_package(bool value);
+
   // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
   int uninterpreted_option_size() const;
   void clear_uninterpreted_option();
@@ -2043,6 +2050,8 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   inline void clear_has_objc_class_prefix();
   inline void set_has_csharp_namespace();
   inline void clear_has_csharp_namespace();
+  inline void set_has_javanano_use_deprecated_package();
+  inline void clear_has_javanano_use_deprecated_package();
 
   ::google::protobuf::internal::ExtensionSet _extensions_;
 
@@ -2057,13 +2066,14 @@ class LIBPROTOBUF_EXPORT FileOptions : public ::google::protobuf::Message {
   bool cc_generic_services_;
   int optimize_for_;
   ::google::protobuf::internal::ArenaStringPtr go_package_;
-  ::google::protobuf::internal::ArenaStringPtr objc_class_prefix_;
-  ::google::protobuf::internal::ArenaStringPtr csharp_namespace_;
-  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
   bool java_generic_services_;
   bool py_generic_services_;
   bool deprecated_;
   bool cc_enable_arenas_;
+  bool javanano_use_deprecated_package_;
+  ::google::protobuf::internal::ArenaStringPtr objc_class_prefix_;
+  ::google::protobuf::internal::ArenaStringPtr csharp_namespace_;
+  ::google::protobuf::RepeatedPtrField< ::google::protobuf::UninterpretedOption > uninterpreted_option_;
   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();
@@ -5892,6 +5902,30 @@ inline void FileOptions::set_allocated_csharp_namespace(::std::string* csharp_na
   // @@protoc_insertion_point(field_set_allocated:google.protobuf.FileOptions.csharp_namespace)
 }
 
+// optional bool javanano_use_deprecated_package = 38;
+inline bool FileOptions::has_javanano_use_deprecated_package() const {
+  return (_has_bits_[0] & 0x00004000u) != 0;
+}
+inline void FileOptions::set_has_javanano_use_deprecated_package() {
+  _has_bits_[0] |= 0x00004000u;
+}
+inline void FileOptions::clear_has_javanano_use_deprecated_package() {
+  _has_bits_[0] &= ~0x00004000u;
+}
+inline void FileOptions::clear_javanano_use_deprecated_package() {
+  javanano_use_deprecated_package_ = false;
+  clear_has_javanano_use_deprecated_package();
+}
+inline bool FileOptions::javanano_use_deprecated_package() const {
+  // @@protoc_insertion_point(field_get:google.protobuf.FileOptions.javanano_use_deprecated_package)
+  return javanano_use_deprecated_package_;
+}
+inline void FileOptions::set_javanano_use_deprecated_package(bool value) {
+  set_has_javanano_use_deprecated_package();
+  javanano_use_deprecated_package_ = value;
+  // @@protoc_insertion_point(field_set:google.protobuf.FileOptions.javanano_use_deprecated_package)
+}
+
 // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 inline int FileOptions::uninterpreted_option_size() const {
   return uninterpreted_option_.size();

src/google/protobuf/descriptor.proto

@@ -42,6 +42,7 @@ syntax = "proto2";
 package google.protobuf;
 option go_package = "descriptor";
 option java_package = "com.google.protobuf";
+option javanano_use_deprecated_package = true;
 option java_outer_classname = "DescriptorProtos";
 option csharp_namespace = "Google.ProtocolBuffers.DescriptorProtos";
 option objc_class_prefix = "GPB";
@@ -369,6 +370,10 @@ message FileOptions {
   // Namespace for generated classes; defaults to the package.
   optional string csharp_namespace = 37;
 
+  // Whether the nano proto compiler should generate in the deprecated non-nano
+  // suffixed package.
+  optional bool javanano_use_deprecated_package = 38;
+
   // The parser stores options it doesn't recognize here. See above.
   repeated UninterpretedOption uninterpreted_option = 999;