[clang] Use compile-command interpolation to provide commands for header files.

Summary: This uses the inferring wrapper introduced in D45006.

Subscribers: klimek, ilya-biryukov, jkorous-apple, ioeric, cfe-commits

Differential Revision: https://reviews.llvm.org/D45007

llvm-svn: 329582

1 files changed, 2 insertions, 0 deletions

diff --git a/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp b/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
index c1ad7291d01..f7c964cb4ae 100644
--- a/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
+++ b/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
@@ -86,6 +86,8 @@ DirectoryBasedGlobalCompilationDatabase::getCDBInDirLocked(PathRef Dir) const {
     return CachedIt->second.get();
   std::string Error = "";
   auto CDB = tooling::CompilationDatabase::loadFromDirectory(Dir, Error);
+  if (CDB)
+    CDB = tooling::inferMissingCompileCommands(std::move(CDB));
   auto Result = CDB.get();
   CompilationDatabases.insert(std::make_pair(Dir, std::move(CDB)));
   return Result;