[libclang] Introduce a new function to apply the indexing callbacks on an existing

CXTranslationUnit, mainly to be used for indexing a PCH.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144623 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 9 deletions

diff --git a/tools/libclang/IndexDecl.cpp b/tools/libclang/IndexDecl.cpp
index 58f449d3cc..67f6703e75 100644
--- a/tools/libclang/IndexDecl.cpp
+++ b/tools/libclang/IndexDecl.cpp
@@ -172,17 +172,19 @@ void IndexingContext::indexDeclContext(const DeclContext *DC) {
   }
 }
 
-void IndexingContext::indexDeclGroupRef(DeclGroupRef DG) {
-  for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I) {
-    Decl *D = *I;
-    if (isNotFromSourceFile(D->getLocation()))
-      return;
+void IndexingContext::indexTopLevelDecl(Decl *D) {
+  if (isNotFromSourceFile(D->getLocation()))
+    return;
 
-    if (isa<ObjCMethodDecl>(D))
-      continue; // Wait for the objc container.
+  if (isa<ObjCMethodDecl>(D))
+    return; // Wait for the objc container.
 
-    indexDecl(D);
-  }
+  indexDecl(D);
+}
+
+void IndexingContext::indexDeclGroupRef(DeclGroupRef DG) {
+  for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I)
+    indexTopLevelDecl(*I);
 }
 
 void IndexingContext::indexTUDeclsInObjCContainer() {