Implemented serialization of SrcMgr::ContentCache.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44578 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Basic/SourceManager.cpp b/Basic/SourceManager.cpp
index 03fa203..0b3af98 100644
--- a/Basic/SourceManager.cpp
+++ b/Basic/SourceManager.cpp
@@ -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);
+}