// Copyright 2018 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 = "proto3";

package analysis;

option java_package = "com.google.devtools.build.lib.analysis";
option java_outer_classname = "AnalysisProtos";

// Container for the action graph properties.
message ActionGraphContainer {
  repeated Artifact artifacts = 1;
  repeated Action actions = 2;
  repeated Target targets = 3;
  repeated DepSetOfFiles dep_set_of_files = 4;
  repeated Configuration configuration = 5;
  repeated AspectDescriptor aspect_descriptors = 6;
  repeated RuleClass rule_classes = 7;
}

// Represents a single artifact, whether it's a source file or a derived output
// file.
message Artifact {
  // Identifier for this artifact; this is an opaque string, only valid for this
  // particular dump of the analysis.
  string id = 1;

  // The relative path of the file within the execution root.
  string exec_path = 2;

  // True iff the artifact is a tree artifact, i.e. the above exec_path refers
  // a directory.
  bool is_tree_artifact = 3;
}

// Represents a single action, which is a function from Artifact(s) to
// Artifact(s).
message Action {
  // The target that was responsible for the creation of the action.
  string target_id = 1;

  // The aspects that were responsible for the creation of the action (if any).
  repeated string aspect_descriptor_ids = 2;

  // Encodes all significant behavior that might affect the output. The key
  // must change if the work performed by the execution of this action changes.
  // Note that the key doesn't include checksums of the input files.
  string action_key = 3;

  // The mnemonic for this kind of action.
  string mnemonic = 4;

  // The configuration under which this action is executed.
  string configuration_id = 5;

  // The command line arguments of the action. This will be only set if
  // explicitly requested.
  repeated string arguments = 6;

  // The list of environment variables to be set before executing the command.
  repeated KeyValuePair environment_variables = 7;

  // The set of input dep sets that the action depends upon. If the action does
  // input discovery, the contents of this set might change during execution.
  repeated string input_dep_set_ids = 8;

  // The list of Artifact IDs that represent the output files that this action
  // will generate.
  repeated string output_ids = 9;

  // True iff the action does input discovery during execution.
  bool discovers_inputs = 10;
}

// Represents a single target (without configuration information) that is
// associated with an action.
message Target {
  // Identifier for this target; this is an opaque string, only valid for this
  // particular dump of the analysis.
  string id = 1;

  // Label of the target, e.g. //foo:bar.
  string label = 2;

  // Class of the rule.
  string rule_class_id = 3;
}

message RuleClass {
  // Identifier for this rule class; this is an opaque string, only valid for
  // this particular dump of the analysis.
  string id = 1;

  // Name of the rule class, e.g. cc_library.
  string name = 2;
}

// Represents an invocation specific descriptor of an aspect.
message AspectDescriptor {
  // Identifier for this aspect descriptor; this is an opaque string, only valid
  // for the particular dump of the analysis.
  string id = 1;

  // The name of the corresponding aspect. For native aspects, it's the Java
  // class name, for Skylark aspects it's the bzl file followed by a % sign
  // followed by the name of the aspect.
  string name = 2;

  // The list of parameters bound to a particular invocation of that aspect on
  // a target. Note that aspects can be executed multiple times on the same
  // target in different order.
  repeated KeyValuePair parameters = 3;
}

message DepSetOfFiles {
  // Identifier for this named set of files; this is an opaque string, only
  // valid for the particular dump of the analysis.
  string id = 1;

  // Other transitively included named set of files.
  repeated string transitive_dep_set_ids = 2;

  // The list of input artifact IDs that are immediately contained in this set.
  repeated string direct_artifact_ids = 3;
}

message Configuration {
  // Identifier for this configuration; this is an opaque string, only valid for
  // the particular dump of the analysis.
  string id = 1;

  // The mnemonic representing the build configuration.
  string mnemonic = 2;

  // The platform string.
  string platform_name = 3;
}

message KeyValuePair {
  // The variable name.
  string key = 1;

  // The variable value.
  string value = 2;
}