[libclang] Do index 'extern' declarations inside functions.

rdar://12257073

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163563 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 1 deletions

diff --git a/tools/libclang/IndexBody.cpp b/tools/libclang/IndexBody.cpp
index acf8838940..3614206dee 100644
--- a/tools/libclang/IndexBody.cpp
+++ b/tools/libclang/IndexBody.cpp
@@ -130,8 +130,20 @@ public:
   }
 
   bool VisitDeclStmt(DeclStmt *S) {
-    if (IndexCtx.shouldIndexFunctionLocalSymbols())
+    if (IndexCtx.shouldIndexFunctionLocalSymbols()) {
       IndexCtx.indexDeclGroupRef(S->getDeclGroup());
+      return true;
+    }
+
+    DeclGroupRef DG = S->getDeclGroup();
+    for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I) {
+      const Decl *D = *I;
+      if (!D)
+        continue;
+      if (!IndexCtx.isFunctionLocalDecl(D))
+        IndexCtx.indexTopLevelDecl(D);
+    }
+
     return true;
   }