From baff648fbb571d1bbf3f1c9ef9ca91142e99be3b Mon Sep 17 00:00:00 2001
From: TJ Yin <ytj@meta.com>
Date: Thu, 30 Jan 2025 01:19:10 -0800
Subject: [PATCH] Add @cpp.AllowLegacyDeprecatedTerseWritesRef to allow using
 cpp.Ref with deprecated_terse_writes cpp2 option

Summary: We will ban such usages without this annotation.

Reviewed By: thedavekwon

Differential Revision: D68802575

fbshipit-source-id: 16a60085e3951f0f3ce64e46040d210b9ef93cc9
---
 thrift/annotation/cpp.thrift | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/thrift/annotation/cpp.thrift b/thrift/annotation/cpp.thrift
index ef5163ea7ab08..9da69d73576c1 100644
--- a/thrift/annotation/cpp.thrift
+++ b/thrift/annotation/cpp.thrift
@@ -403,3 +403,13 @@ struct AllowLegacyNonOptionalRef {}
  */
 @scope.Field
 struct DeprecatedTerseWrite {}
+
+/**
+ * Allows the field to be annotated @cpp.Ref (or cpp[2].ref[_type]) even if it
+ * is deprecated_terse_writes field.
+ *
+ * This annotation is provided for a limited time, to exempt pre-existing fields
+ * while rolling out a stricter enforcement of the condition above.
+ */
+@scope.Field
+struct AllowLegacyDeprecatedTerseWritesRef {}