[index] index field references in __builtin_offset

rdar://35109556

llvm-svn: 317593

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/lib/Index/IndexBody.cpp b/clang/lib/Index/IndexBody.cpp
index 6bbd3810250..a54d2cbb929 100644
--- a/clang/lib/Index/IndexBody.cpp
+++ b/clang/lib/Index/IndexBody.cpp
@@ -427,6 +427,17 @@ public:
 
     return true;
   }
+
+  bool VisitOffsetOfExpr(OffsetOfExpr *S) {
+    for (unsigned I = 0, E = S->getNumComponents(); I != E; ++I) {
+      const OffsetOfNode &Component = S->getComponent(I);
+      if (Component.getKind() == OffsetOfNode::Field)
+        IndexCtx.handleReference(Component.getField(), Component.getLocStart(),
+                                 Parent, ParentDC, SymbolRoleSet(), {});
+      // FIXME: Try to resolve dependent field references.
+    }
+    return true;
+  }
 };
 
 } // anonymous namespace