// 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";

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

package goproto.protoc.extension.ext;

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;
}