1 files changed, 6 insertions, 0 deletions
diff --git a/src/shared/cplusplus/ASTfwd.h b/src/shared/cplusplus/ASTfwd.h
index ee5f8e876f..a4662226fa 100644
--- a/src/shared/cplusplus/ASTfwd.h
+++ b/src/shared/cplusplus/ASTfwd.h
@@ -171,6 +171,12 @@ class QtMethodAST;
 // ObjC++
 class IdentifierListAST;
 class ObjCClassDeclarationAST;
+class ObjCProtocolDeclarationAST;
+class ObjCProtocolDefinitionAST;
+class ObjCClassInterfaceDeclarationAST;
+class ObjCCategoryInterfaceDeclarationAST;
+class ObjCProtocolRefsAST;
+class ObjCMessageExpressionAST;
 
 CPLUSPLUS_END_NAMESPACE
 CPLUSPLUS_END_HEADER