protoc_plugin/test/protos/map_field.proto

// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
// for details. 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 protobuf_unittest;

message TestMap {
    message MessageValue {
        optional int32 value = 1;
        optional int32 second_value = 2 [default = 42];
    }

    enum EnumValue {
        DEFAULT = 0;
        BAR = 1;
        BAZ = 2;
        ZOP = 3;
    }

    map<int32, int32>        int32_to_int32_field = 1;
    map<int32, string>       int32_to_string_field = 2;
    map<int32, bytes>        int32_to_bytes_field = 3;
    map<int32, EnumValue>    int32_to_enum_field = 4;
    map<int32, MessageValue> int32_to_message_field = 5;
    map<string, int32>       string_to_int32_field = 6;
    map<uint32, int32>       uint32_to_int32_field = 7;
    map<int64, int32>        int64_to_int32_field = 8;
    map<uint64, int32>       uint64_to_int32_field = 9;
}

message Inner  {
    map<string, string> inner_map = 1;
}

message Outer {
    optional Inner i = 1;
}

message Desugared {
    message Int32ToString {
        optional int32 key = 1;
        optional string value = 2;
    }
    message StringToInt32 {
        optional string key = 1;
        optional int32 value = 2;
    }
    repeated Int32ToString int32_to_string_field = 2;
    repeated StringToInt32 string_to_int32_field = 6;
}