[libclang] Introduce a new high level API for indexing clients that assumes

more of the work involved in indexing a translation unit and simplifies client
implementations.

Only C/ObjC for now, C++ (and comments) to come.

llvm-svn: 142233

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/tools/libclang/CXTranslationUnit.h b/clang/tools/libclang/CXTranslationUnit.h
index 2b8f977539c..47d7146116a 100644
--- a/clang/tools/libclang/CXTranslationUnit.h
+++ b/clang/tools/libclang/CXTranslationUnit.h
@@ -28,6 +28,23 @@ namespace cxtu {
 
 CXTranslationUnitImpl *MakeCXTranslationUnit(ASTUnit *TU);
 
+class CXTUOwner {
+  CXTranslationUnitImpl *TU;
+  
+public:
+  CXTUOwner(CXTranslationUnitImpl *tu) : TU(tu) { }
+  ~CXTUOwner();
+
+  CXTranslationUnitImpl *getTU() const { return TU; }
+
+  CXTranslationUnitImpl *takeTU() {
+    CXTranslationUnitImpl *retTU = TU;
+    TU = 0;
+    return retTU;
+  }
+};
+
+
 }} // end namespace clang::cxtu
 
 #endif