/*
 * Copyright 2015 Google Inc. 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 kythe.proto;
option java_package = "com.google.devtools.kythe.proto";

// C++-specific details used in a CompilationUnit.
// Its type is "kythe.io/proto/kythe.proto.CxxCompilationUnitDetails".
message CxxCompilationUnitDetails {
  // A path used to search for compilation resources.
  message HeaderSearchDir {
    // The path to search in. If relative, is relative to working_directory.
    string path = 1;
    // The kind of data stored in this directory.
    // For C++, {0 = user code, 1 = system code, 2 = "extern C" system code}.
    int32 characteristic_kind = 2;
    // If true, this directory is a framework.
    bool is_framework = 3;
  }

  // Configuration for header search. This may be a function
  // of more state than is reflected in the environment and compiler
  // arguments.
  message HeaderSearchInfo {
    // For C-family languages, the index of the first directory to require <>s.
    int32 first_angled_dir = 1;
    // For C-family languages, the index of the first directory to have the
    // 'system_header' property.
    int32 first_system_dir = 2;
    // All search directories, ordered as {quoted, angled, system}.
    repeated HeaderSearchDir dir = 3;
  }

  HeaderSearchInfo header_search_info = 1;

  // Overrides the default assignment for the 'system_header' property for
  // C-family languages for both quoted and angled includes. The last matching
  // entry has effect.
  message SystemHeaderPrefix {
    // Matches if the include path has this string as a prefix.
    string prefix = 1;
    // Controls whether the matched path has the 'system_header' property.
    bool is_system_header = 2;
  }

  repeated SystemHeaderPrefix system_header_prefix = 2;
}