Serialize DiagnosticOptions to the AST file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166572 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 16 insertions, 1 deletions

diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h
index 1cf118638c..6e3bd149de 100644
--- a/include/clang/Serialization/ASTBitCodes.h
+++ b/include/clang/Serialization/ASTBitCodes.h
@@ -261,7 +261,10 @@ namespace clang {
 
       /// \brief Offsets into the input-files block where input files
       /// reside.
-      INPUT_FILE_OFFSETS = 7
+      INPUT_FILE_OFFSETS = 7,
+
+      /// \brief Record code for the diagnostic options table.
+      DIAGNOSTIC_OPTIONS = 8
     };
 
     /// \brief Record types that occur within the input-files block
diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index e9920efaa8..ffebcb9712 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -63,6 +63,7 @@ class ASTUnit; // FIXME: Layering violation and egregious hack.
 class Attr;
 class Decl;
 class DeclContext;
+class DiagnosticOptions;
 class NestedNameSpecifier;
 class CXXBaseSpecifier;
 class CXXConstructorDecl;
@@ -120,6 +121,15 @@ public:
     return false;
   }
 
+  /// \brief Receives the diagnostic options.
+  ///
+  /// \returns true to indicate the diagnostic options are invalid, or false
+  /// otherwise.
+  virtual bool ReadDiagnosticOptions(const DiagnosticOptions &DiagOpts,
+                                     bool Complain) {
+    return false;
+  }
+
   /// \brief Receives the contents of the predefines buffer.
   ///
   /// \param Buffers Information about the predefines buffers.
@@ -913,6 +923,8 @@ private:
                                    ASTReaderListener &Listener);
   static bool ParseTargetOptions(const RecordData &Record, bool Complain,
                                  ASTReaderListener &Listener);
+  static bool ParseDiagnosticOptions(const RecordData &Record, bool Complain,
+                                     ASTReaderListener &Listener);
 
   struct RecordLocation {
     RecordLocation(ModuleFile *M, uint64_t O)