// Copyright 2017 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto2";

package bazel.tools.desugar;

option optimize_for = LITE_RUNTIME;  // less generated C++ code
// option java_api_version = 2;
option java_package = "com.google.devtools.build.android.desugar.proto";

// Top-level message that describes a desugared Jar file.
message DesugarDepsInfo {
  repeated Dependency assume_present = 1;
  repeated Dependency missing_interface = 2;
  repeated InterfaceDetails interface_with_supertypes = 3;
  repeated InterfaceWithCompanion interface_with_companion = 4;
  // Next ID: 5
}

// Dependency between two types, may be transitive or direct.
message Dependency {
  optional Type origin = 1;
  optional Type target = 2;
  // Next ID: 3
}

// Summary of relevant information about an interface, to avoid parsing it.
message InterfaceDetails {
  optional Type origin = 1;
  repeated Type extended_interface = 2;
  // Next ID: 3
}

// Details about an interface with a companion class.  This helps distinguishing
// interfaces with default methods, which are a subset, and can also be used to
// check for the presence of expected companion classes.
message InterfaceWithCompanion {
  optional Type origin = 1;
  optional int32 num_default_methods = 2;
  // Next ID: 3
}

// Wrapper around a JVMS 4.2.1 binary class or interface name.
message Type {
  // JVMS 4.2.1 binary class name, e.g., java/lang/String, similar to how a
  // class or interface name would appear in bytecode.
  optional string binary_name = 1;
  // Next ID: 2
}