DNS

rs_bindings_from_cc/generate_bindings/database/code_snippet.rs

@@ -604,6 +604,13 @@ pub fn generated_items_to_tokens(
                         __COMMENT__ "Generated due to CRUBIT_OWNED_POINTEE annotation."
                         #[repr(transparent)]
                         pub struct #owned_type_name(::core::ptr::NonNull<#ident>);
+
+                        impl Drop for #owned_type_name {
+                            fn drop(&mut self) {
+                                __COMMENT__ "The DropImpl method must be implemented in a user-written .rs file that's included using additional_rust_srcs"
+                                self.DropImpl();
+                            }
+                        }
                     }
                 });
 

rs_bindings_from_cc/test/annotations/owned_ptr_rs_api.rs

@@ -39,6 +39,12 @@ unsafe impl ::cxx::ExternType for RawThing {
 // Generated due to CRUBIT_OWNED_POINTEE annotation.
 #[repr(transparent)]
 pub struct OwnedThing(::core::ptr::NonNull<RawThing>);
+impl Drop for OwnedThing {
+    fn drop(&mut self) {
+        // The DropImpl method must be implemented in a user-written .rs file that's included using additional_rust_srcs
+        self.DropImpl();
+    }
+}
 
 /// Generated from: rs_bindings_from_cc/test/annotations/owned_ptr.h;l=18
 impl From<i32> for RawThing {

rs_bindings_from_cc/test/annotations/owned_ptr_rust_thing.rs

@@ -2,8 +2,8 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-impl Drop for crate::OwnedThing {
-    fn drop(&mut self) {
+impl crate::OwnedThing {
+    pub(crate) fn DropImpl(&mut self) {
         unsafe {
             crate::RawThing::Close(self.0.as_mut());
         }