Added support in serializer and deserializer to create arbitrary blocks.

Added detection of end-of-stream in deserializer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43736 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/include/llvm/Bitcode/Serialize.h b/include/llvm/Bitcode/Serialize.h
index a465beca9d..74637f5d87 100644
--- a/include/llvm/Bitcode/Serialize.h
+++ b/include/llvm/Bitcode/Serialize.h
@@ -25,7 +25,7 @@ namespace llvm {
 class Serializer {
   BitstreamWriter& Stream;
   SmallVector<uint64_t,10> Record;
-  bool inBlock;
+  unsigned BlockLevel;
   
   typedef DenseMap<const void*,unsigned> MapTy;
   MapTy PtrMap;
@@ -56,6 +56,9 @@ public:
 
   void Flush() { if (inRecord()) EmitRecord(); }
   
+  void EnterBlock(unsigned BlockID = 8, unsigned CodeLen = 3);
+  void ExitBlock();    
+  
 private:
   void EmitRecord();
   inline bool inRecord() { return Record.size() > 0; }