1 files changed, 14 insertions, 2 deletions
diff --git a/src/TypeUtils.h b/src/TypeUtils.h
index b025d333..c2d9c527 100644
--- a/src/TypeUtils.h
+++ b/src/TypeUtils.h
@@ -124,13 +124,25 @@ namespace TypeUtils
         return at && at->getDeducedType().isNull();
     }
 
+    inline const clang::Type * unpealAuto(clang::QualType q)
+    {
+        if (q.isNull())
+            return nullptr;
+
+        if (auto t = llvm::dyn_cast<clang::AutoType>(q.getTypePtr()))
+            return t->getDeducedType().getTypePtrOrNull();
+
+        return q.getTypePtr();
+    }
+
     /**
      * Returns true if childDecl is a descent from parentDecl
      **/
-    CLAZYLIB_EXPORT bool derivesFrom(clang::CXXRecordDecl *derived, clang::CXXRecordDecl *possibleBase);
+    CLAZYLIB_EXPORT bool derivesFrom(const clang::CXXRecordDecl *derived, const clang::CXXRecordDecl *possibleBase,
+                                     std::vector<clang::CXXRecordDecl*> *baseClasses = nullptr);
 
     // Overload
-    CLAZYLIB_EXPORT bool derivesFrom(clang::CXXRecordDecl *derived, const std::string &possibleBase);
+    CLAZYLIB_EXPORT bool derivesFrom(const clang::CXXRecordDecl *derived, const std::string &possibleBase);
 
     // Overload
     CLAZYLIB_EXPORT bool derivesFrom(clang::QualType derived, const std::string &possibleBase);