// 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;

import "src/main/protobuf/build.proto";

option java_package = "com.google.devtools.build.lib.analysis";
option java_outer_classname = "AnalysisProtosV2";

// 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;
  repeated PathFragment path_fragments = 8;
}

// Represents a single artifact, whether it's a source file or a derived output
// file.
message Artifact {
  // Identifier for this artifact; this is a uint32, only valid for this
  // particular dump of the analysis.
  uint32 id = 1;

  // The id of the PathFragment that represents the relative path of the file
  // within the execution root.
  uint32 path_fragment_id = 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.
  uint32 target_id = 1;

  // The aspects that were responsible for the creation of the action (if any).
  // In the case of aspect-on-aspect, AspectDescriptors are listed in
  // topological order of the dependency graph.
  // e.g. [A, B] would imply that aspect A is applied on top of aspect B.
  repeated uint32 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.
  uint32 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 and `--include_pruned_outputs` is disabled, the contents of
  // this set might differ before and after execution.
  repeated uint32 input_dep_set_ids = 8;

  // The list of Artifact IDs that represent the output files that this action
  // will generate.
  repeated uint32 output_ids = 9;

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

  // Execution info for the action.  Remote execution services may use this
  // information to modify the execution environment, but actions will
  // generally not be aware of it.
  repeated KeyValuePair execution_info = 11;

  // The list of param files. This will be only set if explicitly requested.
  repeated ParamFile param_files = 12;

  // The id to an Artifact that is the primary output of this action.
  uint32 primary_output_id = 13;

  // The execution platform for this action. Empty if the action has no
  // execution platform.
  string execution_platform = 14;

  // The template content of the action, if it is TemplateExpand action.
  string template_content = 15;

  // The list of substitution should be performed on the template. The key is
  // the string to be substituted and the value is the string to be substituted
  // to.
  repeated KeyValuePair substitutions = 16;

  // The contents of the file for the ctx.actions.write() action
  // (guarded by the --include_file_write_contents flag).
  string file_contents = 17;

  // The target of the symlink created by UnresolvedSymlink actions.
  // For regular Symlink actions, the target is represented as an input.
  string unresolved_symlink_target = 18;

  // If FileWrite actions should make their output executable.
  // (ctx.actions.write(is_executable=True))
  bool is_executable = 19;

  reserved 20;
}

// Represents a single target (without configuration information) that is
// associated with an action.
message Target {
  // Identifier for this target; this is a uint32, only valid for this
  // particular dump of the analysis.
  uint32 id = 1;

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

  // Class of the rule.
  uint32 rule_class_id = 3;
}

message RuleClass {
  // Identifier for this rule class; this is a uint32, only valid for
  // this particular dump of the analysis.
  uint32 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 a uint32, only valid
  // for the particular dump of the analysis.
  uint32 id = 1;

  // The name of the corresponding aspect. For native aspects, it's the Java
  // class name, for Starlark 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 a uint32, only
  // valid for the particular dump of the analysis.
  uint32 id = 1;

  // Other transitively included named set of files.
  repeated uint32 transitive_dep_set_ids = 2;

  // The list of input artifact IDs that are immediately contained in this set.
  repeated uint32 direct_artifact_ids = 3;
}

message Configuration {
  // Identifier for this configuration; this is a uint32, only valid for
  // the particular dump of the analysis.
  uint32 id = 1;

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

  // The platform string.
  string platform_name = 3;

  // The checksum representation of the configuration options;
  string checksum = 4;

  // Whether this configuration is used for building tools.
  bool is_tool = 5;

  // The configuration fragments that are a part of this configuration.
  repeated Fragment fragments = 6;

  // The union of all the FragmentOptions associated with the Fragments that are
  // a part of this configuration. These are returned separately from the
  // fragments field because a set of FragmentOptions can be referenced by more
  // than one Fragment, and we wish to avoid returning the same FragmentOptions
  // repeatedly. These are sorted by the FragmentOptions name field.
  repeated FragmentOptions fragment_options = 7;
}

// A configuration fragment
// (http://bazel.build/rules/lib/fragments).
message Fragment {
  // The name of the Fragment.
  string name = 1;

  // The names of the FragmentOptions associated with this fragment in sorted
  // order.
  repeated string fragment_option_names = 2;
}

// A set of fragment options.
message FragmentOptions {
  // The name of this set of fragment options.
  string name = 1;

  // The options themselves, in sorted order by name.
  repeated Option options = 2;
}

// A fragment option.
message Option {
  // The name of the option.
  optional string name = 1;

  // The value of the option.
  optional string value = 2;
}

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

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

message ConfiguredTarget {
  // The target. We use blaze_query.Target defined in build.proto instead of
  // the Target defined in this file because blaze_query.Target is much heavier
  // and will output proto results similar to what users are familiar with from
  // regular blaze query.
  blaze_query.Target target = 1;

  // DEPRECATED. Use configuration_id instead.
  Configuration configuration = 2 [deprecated = true];

  // The id of the configuration this target is configured for. The actual
  // Configuration message can be found in CqueryResults. If the target doesn't
  // have a configuration, the value will be 0.
  uint32 configuration_id = 3;
}

// Container for cquery results
message CqueryResult {
  // All the configuredtargets returns by cquery
  repeated ConfiguredTarget results = 1;

  // All the Configurations referenced by results.
  repeated Configuration configurations = 2;
}

// Content of a param file.
message ParamFile {
  // The exec path of the param file artifact.
  string exec_path = 1;

  // The arguments in the param file.
  // Each argument corresponds to a line in the param file.
  repeated string arguments = 2;
}

// The path fragment that makes up a full path.
message PathFragment {
  // Identifier for this path fragment.
  uint32 id = 1;

  // The label of the section in the path.
  string label = 2;

  // The id of the parent path fragment.
  uint32 parent_id = 3;
}