Track the set of module maps read while building a .pcm file and reload those when preprocessing from that .pcm file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306628 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index 737f6fb3d4..9b94aadd76 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -1146,6 +1146,7 @@ private:
     time_t StoredTime;
     bool Overridden;
     bool Transient;
+    bool TopLevelModuleMap;
   };
 
   /// \brief Reads the stored information about an input file.
@@ -2249,6 +2250,12 @@ public:
           llvm::function_ref<void(const serialization::InputFile &IF,
                                   bool isSystem)> Visitor);
 
+  /// Visit all the top-level module maps loaded when building the given module
+  /// file.
+  void visitTopLevelModuleMaps(serialization::ModuleFile &MF,
+                               llvm::function_ref<
+                                   void(const FileEntry *)> Visitor);
+
   bool isProcessingUpdateRecords() { return ProcessingUpdateRecords; }
 };