1 files changed, 16 insertions, 5 deletions
diff --git a/include/clang/Tooling/CompilationDatabase.h b/include/clang/Tooling/CompilationDatabase.h
index aa07cc30e5f5..dea046a2dc7c 100644
--- a/include/clang/Tooling/CompilationDatabase.h
+++ b/include/clang/Tooling/CompilationDatabase.h
@@ -1,9 +1,8 @@
 //===- CompilationDatabase.h ------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -60,9 +59,15 @@ struct CompileCommand {
   /// The output file associated with the command.
   std::string Output;
 
+  /// If this compile command was guessed rather than read from an authoritative
+  /// source, a short human-readable explanation.
+  /// e.g. "inferred from foo/bar.h".
+  std::string Heuristic;
+
   friend bool operator==(const CompileCommand &LHS, const CompileCommand &RHS) {
     return LHS.Directory == RHS.Directory && LHS.Filename == RHS.Filename &&
-           LHS.CommandLine == RHS.CommandLine && LHS.Output == RHS.Output;
+           LHS.CommandLine == RHS.CommandLine && LHS.Output == RHS.Output &&
+           LHS.Heuristic == RHS.Heuristic;
   }
 
   friend bool operator!=(const CompileCommand &LHS, const CompileCommand &RHS) {
@@ -208,6 +213,12 @@ private:
 std::unique_ptr<CompilationDatabase>
     inferMissingCompileCommands(std::unique_ptr<CompilationDatabase>);
 
+/// Returns a wrapped CompilationDatabase that will add -target and -mode flags
+/// to commandline when they can be deduced from argv[0] of commandline returned
+/// by underlying database.
+std::unique_ptr<CompilationDatabase>
+inferTargetAndDriverMode(std::unique_ptr<CompilationDatabase> Base);
+
 } // namespace tooling
 } // namespace clang