/*
 * Copyright (C) 2019 The Dagger Authors.
 *
 * 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.
 */

// Serialized forms of types used in the Dagger processor. The wire format of
// these types is not guaranteed to remain compatible over time; serialization
// is only expected to function correctly within an individual version of the
// Dagger processor.

syntax = "proto3";

package dagger.internal.codegen.serialization;
option java_package = "dagger.internal.codegen.serialization";
option java_multiple_files = true;

// TODO(ronshapiro): consider exposing some of these in
// dagger.model.serialization

// Serialized form of `dagger.internal.codegen.BindingRequest`
message BindingRequestProto {
  KeyProto key = 1;
  RequestKindWrapper.RequestKind request_kind = 2;
  FrameworkTypeWrapper.FrameworkType framework_type = 3;
}

message RequestKindWrapper {
  // Serialized form of `dagger.model.RequestKind`
  enum RequestKind {
    UNKNOWN = 0;
    INSTANCE = 1;
    PROVIDER = 2;
    LAZY = 3;
    PROVIDER_OF_LAZY = 4;
    MEMBERS_INJECTION = 5;
    PRODUCER = 6;
    PRODUCED = 7;
    FUTURE = 8;
  }
}

message FrameworkTypeWrapper {
  // Serialized form of `dagger.internal.codegen.FrameworkType`
  enum FrameworkType {
    UNKNOWN = 0;
    PROVIDER = 1;
    PRODUCER_NODE = 2;
  }
}

// Serialized form of `dagger.model.Key`
message KeyProto {
  TypeProto type = 1;
  AnnotationProto qualifier = 2;
  MultibindingContributionIdentifier multibinding_contribution_identifier =
      3;

  // Serialized form of `dagger.model.Key.MultibindingContributionIdentifier`
  message MultibindingContributionIdentifier {
    string module = 1;
    string binding_element = 2;
  }
}

// Serialized form of `javax.lang.model.type.TypeMirror`
message TypeProto {
  PrimitiveKind primitive_kind = 1;

  // The qualified name of the type. Absent if this is an inner type.
  string qualified_name = 2;

  // The enclosing type if this is an inner type, otherwise absent.
  TypeProto enclosing_type = 3;

  // Simple name of the type if this is an inner type, otherwise absent.
  string simple_name = 4;

  repeated TypeProto type_arguments = 5;

  message Wildcard {
    TypeProto extends_bound = 1;
    TypeProto super_bound = 2;
  }
  Wildcard wildcard = 6;

  int32 array_dimensions = 7;

  // Kinds of primitive types
  enum PrimitiveKind {
    UNKNOWN = 0;
    BOOLEAN = 1;
    BYTE = 2;
    SHORT = 3;
    CHAR = 4;
    INT = 5;
    FLOAT = 6;
    LONG = 7;
    DOUBLE = 8;
  }
}

// Serialized form of `javax.lang.model.element.AnnotationMirror`
message AnnotationProto {
  TypeProto annotation_type = 1;
  map<string, AnnotationValueProto> values = 2;
}

// Serialized form of `javax.lang.model.element.AnnotationValue`
message AnnotationValueProto {
  Kind kind = 1;
  bool boolean_value = 2;
  int32 int_value = 3;
  int64 long_value = 4;
  float float_value = 5;
  double double_value = 6;
  string string_value = 7;
  TypeProto class_literal = 8;
  TypeProto enum_type = 9;
  string enum_name = 10;
  AnnotationProto nested_annotation = 11;

  repeated AnnotationValueProto array_values = 12;

  // The type of annotation value
  enum Kind {
    UNKNOWN = 0;
    BOOLEAN = 1;
    BYTE = 2;
    SHORT = 3;
    CHAR = 4;
    INT = 5;
    FLOAT = 6;
    LONG = 7;
    DOUBLE = 8;
    STRING = 9;
    CLASS_LITERAL = 10;
    ENUM = 11;
    ANNOTATION = 12;
    ARRAY = 13;
  }
}

// Serialized form of `dagger.internal.codegen.ComponentRequirement`
message ComponentRequirementProto {
  oneof requirement {
    TypeProto dependency = 1;
    TypeProto module = 2;
    BoundInstanceRequirement bound_instance = 3;
  }

  message BoundInstanceRequirement {
    KeyProto key = 1;
    bool nullable = 2;
    string variable_name = 3;
  }
}