1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/swift/gen_swift/external.rs b/third_party/rust/uniffi_bindgen/src/bindings/swift/gen_swift/external.rs
new file mode 100644
index 0000000000..0b6728ba84
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/bindings/swift/gen_swift/external.rs
@@ -0,0 +1,36 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use super::CodeType;
+
+#[derive(Debug)]
+pub struct ExternalCodeType {
+    name: String,
+}
+
+impl ExternalCodeType {
+    pub fn new(name: String) -> Self {
+        ExternalCodeType { name }
+    }
+}
+
+impl CodeType for ExternalCodeType {
+    fn type_label(&self) -> String {
+        self.name.clone()
+    }
+
+    fn canonical_name(&self) -> String {
+        format!("Type{}", self.name)
+    }
+
+    // lower and lift need to call public function which were generated for
+    // the original types.
+    fn lower(&self) -> String {
+        format!("{}_lower", self.ffi_converter_name())
+    }
+
+    fn lift(&self) -> String {
+        format!("{}_lift", self.ffi_converter_name())
+    }
+}