[libclang] When indexing a field in a C++ class, return an entity
of kind CXIdxEntity_CXXInstanceVariable. rdar://10522503.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index 2745ac9..564ac56 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -4031,7 +4031,8 @@
   CXIdxEntity_CXXConstructor        = 22,
   CXIdxEntity_CXXDestructor         = 23,
   CXIdxEntity_CXXConversionFunction = 24,
-  CXIdxEntity_CXXTypeAlias          = 25
+  CXIdxEntity_CXXTypeAlias          = 25,
+  CXIdxEntity_CXXInstanceVariable   = 26
 
 } CXIdxEntityKind;
 
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index 903bfc5..7d571a0 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -1641,6 +1641,7 @@
   case CXIdxEntity_CXXNamespace: return "namespace";
   case CXIdxEntity_CXXNamespaceAlias: return "namespace-alias";
   case CXIdxEntity_CXXStaticVariable: return "c++-static-var";
+  case CXIdxEntity_CXXInstanceVariable: return "c++-instance-var";
   case CXIdxEntity_CXXStaticMethod: return "c++-static-method";
   case CXIdxEntity_CXXInstanceMethod: return "c++-instance-method";
   case CXIdxEntity_CXXConstructor: return "constructor";
diff --git a/tools/libclang/IndexingContext.cpp b/tools/libclang/IndexingContext.cpp
index b5da646..f597797 100644
--- a/tools/libclang/IndexingContext.cpp
+++ b/tools/libclang/IndexingContext.cpp
@@ -736,7 +736,12 @@
         EntityInfo.kind = CXIdxEntity_CXXStaticVariable;
       break;
     case Decl::Field:
-      EntityInfo.kind = CXIdxEntity_Field; break;
+      EntityInfo.kind = CXIdxEntity_Field;
+      if (const CXXRecordDecl *
+            CXXRec = dyn_cast<CXXRecordDecl>(D->getDeclContext()))
+        if (!CXXRec->isPOD())
+          EntityInfo.kind = CXIdxEntity_CXXInstanceVariable;
+      break;
     case Decl::EnumConstant:
       EntityInfo.kind = CXIdxEntity_EnumConstant; break;
     case Decl::ObjCInterface: