[cfe-commits] r44578 - in /cfe/trunk: Basic/SourceManager.cpp include/clang/Basic/SourceManager.h

[Ted Kremenek]

Author: kremenek
Date: Tue Dec  4 13:39:02 2007
New Revision: 44578

URL: http://llvm.org/viewvc/llvm-project?rev=44578&view=rev
Log:
Implemented serialization of SrcMgr::ContentCache.

Modified:
    cfe/trunk/Basic/SourceManager.cpp
    cfe/trunk/include/clang/Basic/SourceManager.h

Modified: cfe/trunk/Basic/SourceManager.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Basic/SourceManager.cpp?rev=44578&r1=44577&r2=44578&view=diff

==============================================================================
--- cfe/trunk/Basic/SourceManager.cpp (original)
+++ cfe/trunk/Basic/SourceManager.cpp Tue Dec  4 13:39:02 2007
@@ -406,3 +406,57 @@
   std::cerr << NumFileBytesMapped << " bytes of files mapped, "
             << NumLineNumsComputed << " files with line #'s computed.\n";
 }
+
+//===----------------------------------------------------------------------===//
+// Serialization.
+//===----------------------------------------------------------------------===//
+
+void SrcMgr::ContentCache::Emit(llvm::Serializer& S,
+                                bool StoreBufferName,
+                                bool StoreBufferContents) const {
+  S.FlushRecord();
+  S.EmitPtr(this);
+  
+  if (StoreBufferName)
+    S.EmitCStr(Buffer->getBufferIdentifier());
+  
+  if (StoreBufferContents) {
+    // Emit the contents of the memory buffer.
+    // FIXME: use abbreviations to optimize this.
+    S.FlushRecord();
+
+    const char* p = Buffer->getBufferStart();
+    const char* e = Buffer->getBufferEnd();
+    
+    S.EmitInt(p-e);    
+
+    for ( ; p != e; ++p)
+      S.EmitInt(*p);
+
+    S.FlushRecord();
+  }
+}
+
+void SrcMgr::ContentCache::Read(llvm::Deserializer& D,
+                                std::vector<char>* BufferNameBuf,
+                                bool ReadBufferContents) {
+  D.RegisterPtr(this);
+  const char* BufferName = "";
+  
+  if (BufferNameBuf) {
+    D.ReadCStr(*BufferNameBuf);
+    BufferName = &(*BufferNameBuf)[0];
+  }
+  
+  if (ReadBufferContents) {
+    char *BufferName = D.ReadCStr();    
+    unsigned Size = D.ReadInt();    
+    Buffer = MemoryBuffer::getNewUninitMemBuffer(Size,BufferName);
+    char* p = const_cast<char*>(Buffer->getBufferStart());
+    const char* e = Buffer->getBufferEnd();
+    for ( ; p != e ; ++p )
+      *p = (char) D.ReadInt();    
+  }
+  else
+    Buffer = MemoryBuffer::getNewUninitMemBuffer(0,BufferName);
+}

Modified: cfe/trunk/include/clang/Basic/SourceManager.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/SourceManager.h?rev=44578&r1=44577&r2=44578&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/SourceManager.h (original)
+++ cfe/trunk/include/clang/Basic/SourceManager.h Tue Dec  4 13:39:02 2007
@@ -71,6 +71,14 @@
       NumLines = RHS.NumLines;      
     }
     
+    /// Emit - Emit this ContentCache to Bitcode.
+    void Emit(llvm::Serializer& S, bool StoreBufferName,
+              bool StoreBufferContents) const;
+    
+    /// Read - Reconstitute a ContentCache from Bitcode.
+    void Read(llvm::Deserializer& D, std::vector<char>* BufferNameBuf,
+              bool ReadBufferContents);
+
   private:
     // Disable assignments.
     ContentCache& operator=(const ContentCache& RHS);