1 files changed, 8 insertions, 2 deletions
diff --git a/include/clang/Lex/ModuleMap.h b/include/clang/Lex/ModuleMap.h
index 46136725d87a..0fd6abe2f7d0 100644
--- a/include/clang/Lex/ModuleMap.h
+++ b/include/clang/Lex/ModuleMap.h
@@ -546,14 +546,20 @@ public:
   /// \param HomeDir The directory in which relative paths within this module
   ///        map file will be resolved.
   ///
+  /// \param ID The FileID of the file to process, if we've already entered it.
+  ///
+  /// \param Offset [inout] On input the offset at which to start parsing. On
+  ///        output, the offset at which the module map terminated.
+  ///
   /// \param ExternModuleLoc The location of the "extern module" declaration
   ///        that caused us to load this module map file, if any.
   ///
   /// \returns true if an error occurred, false otherwise.
   bool parseModuleMapFile(const FileEntry *File, bool IsSystem,
-                          const DirectoryEntry *HomeDir,
+                          const DirectoryEntry *HomeDir, FileID ID = FileID(),
+                          unsigned *Offset = nullptr,
                           SourceLocation ExternModuleLoc = SourceLocation());
-    
+
   /// \brief Dump the contents of the module map, for debugging purposes.
   void dump();