1 files changed, 30 insertions, 0 deletions
diff --git a/lib/Core/File.cpp b/lib/Core/File.cpp
new file mode 100644
index 000000000000..dbac86b368aa
--- /dev/null
+++ b/lib/Core/File.cpp
@@ -0,0 +1,30 @@
+//===- Core/File.cpp - A Container of Atoms -------------------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lld/Core/File.h"
+#include "lld/Core/LLVM.h"
+#include <mutex>
+
+namespace lld {
+
+File::~File() {}
+
+File::atom_collection_empty<DefinedAtom>       File::_noDefinedAtoms;
+File::atom_collection_empty<UndefinedAtom>     File::_noUndefinedAtoms;
+File::atom_collection_empty<SharedLibraryAtom> File::_noSharedLibraryAtoms;
+File::atom_collection_empty<AbsoluteAtom>      File::_noAbsoluteAtoms;
+
+std::error_code File::parse() {
+  std::lock_guard<std::mutex> lock(_parseMutex);
+  if (!_lastError.hasValue())
+    _lastError = doParse();
+  return _lastError.getValue();
+}
+
+} // namespace lld