// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

syntax = "proto2";

package goproto.protoc.extension.ext;

import "cmd/protoc-gen-go/testdata/extensions/base/base.proto";
import "cmd/protoc-gen-go/testdata/extensions/extra/extra.proto";

option go_package = "google.golang.org/protobuf/cmd/protoc-gen-go/testdata/extensions/ext";

message Message {
  optional bytes data = 1;

  message M {}
}

enum Enum {
  ZERO = 0;
}

// Extend with various types.
extend goproto.protoc.extension.base.BaseMessage {
  optional bool extension_bool = 101;
  optional Enum extension_enum = 102;
  optional int32 extension_int32 = 103;
  optional sint32 extension_sint32 = 104;
  optional uint32 extension_uint32 = 105;
  optional int64 extension_int64 = 106;
  optional sint64 extension_sint64 = 107;
  optional uint64 extension_uint64 = 108;
  optional sfixed32 extension_sfixed32 = 109;
  optional fixed32 extension_fixed32 = 110;
  optional float extension_float = 111;
  optional sfixed64 extension_sfixed64 = 112;
  optional fixed64 extension_fixed64 = 113;
  optional double extension_double = 114;
  optional string extension_string = 115;
  optional bytes extension_bytes = 116;
  optional Message extension_Message = 117;
  optional Message.M extension_MessageM = 118;
  optional group ExtensionGroup = 119 {
    optional string extension_group = 120;
  }
}

// Extend with a foreign message.
extend goproto.protoc.extension.base.BaseMessage {
  optional goproto.protoc.extension.extra.ExtraMessage extra_message = 9;
}

// Extend in the scope of another type.
message ExtendingMessage {
  extend goproto.protoc.extension.base.BaseMessage {
    optional string extending_message_string = 200;
    optional ExtendingMessageSubmessage extending_message_submessage = 201;
  }
  message ExtendingMessageSubmessage {}
}

// Extend with repeated fields.
extend goproto.protoc.extension.base.BaseMessage {
  repeated bool repeated_x_bool = 301;
  repeated Enum repeated_x_enum = 302;
  repeated int32 repeated_x_int32 = 303;
  repeated sint32 repeated_x_sint32 = 304;
  repeated uint32 repeated_x_uint32 = 305;
  repeated int64 repeated_x_int64 = 306;
  repeated sint64 repeated_x_sint64 = 307;
  repeated uint64 repeated_x_uint64 = 308;
  repeated sfixed32 repeated_x_sfixed32 = 309;
  repeated fixed32 repeated_x_fixed32 = 310;
  repeated float repeated_x_float = 311;
  repeated sfixed64 repeated_x_sfixed64 = 312;
  repeated fixed64 repeated_x_fixed64 = 313;
  repeated double repeated_x_double = 314;
  repeated string repeated_x_string = 315;
  repeated bytes repeated_x_bytes = 316;
  repeated Message repeated_x_Message = 317;
  repeated group RepeatedGroup = 318 {
    repeated string repeated_x_group = 319;
  }
}

// An extension of an extension.
message Extendable {
  extensions 1 to max;
}
extend goproto.protoc.extension.base.BaseMessage {
  optional Extendable extendable_field = 400;
}
extend Extendable {
  optional string extendable_string_field = 1;
}

// Message set wire format.
message MessageSetWireFormatExtension {
  extend goproto.protoc.extension.base.MessageSetWireFormatMessage {
    optional MessageSetWireFormatExtension message_set_extension = 100;
  }
}

// Message set extension, not nested in a message.
extend goproto.protoc.extension.base.MessageSetWireFormatMessage {
  optional MessageSetWireFormatExtension message_set_extension = 101;
}