1 files changed, 48 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/TopLevelFunctionTemplate.swift b/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/TopLevelFunctionTemplate.swift
new file mode 100644
index 0000000000..a2c6311931
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/TopLevelFunctionTemplate.swift
@@ -0,0 +1,48 @@
+{%- if func.is_async() %}
+
+public func {{ func.name()|fn_name }}({%- call swift::arg_list_decl(func) -%}) async {% call swift::throws(func) %}{% match func.return_type() %}{% when Some with (return_type) %} -> {{ return_type|type_name }}{% when None %}{% endmatch %} {
+    return {% call swift::try(func) %} await uniffiRustCallAsync(
+        rustFutureFunc: {
+            {{ func.ffi_func().name() }}(
+                {%- for arg in func.arguments() %}
+                {{ arg|lower_fn }}({{ arg.name()|var_name }}){% if !loop.last %},{% endif %}
+                {%- endfor %}
+            )
+        },
+        pollFunc: {{ func.ffi_rust_future_poll(ci) }},
+        completeFunc: {{ func.ffi_rust_future_complete(ci) }},
+        freeFunc: {{ func.ffi_rust_future_free(ci) }},
+        {%- match func.return_type() %}
+        {%- when Some(return_type) %}
+        liftFunc: {{ return_type|lift_fn }},
+        {%- when None %}
+        liftFunc: { $0 },
+        {%- endmatch %}
+        {%- match func.throws_type() %}
+        {%- when Some with (e) %}
+        errorHandler: {{ e|ffi_converter_name }}.lift
+        {%- else %}
+        errorHandler: nil
+        {% endmatch %}
+    )
+}
+
+{% else %}
+
+{%- match func.return_type() -%}
+{%- when Some with (return_type) %}
+
+public func {{ func.name()|fn_name }}({%- call swift::arg_list_decl(func) -%}) {% call swift::throws(func) %} -> {{ return_type|type_name }} {
+    return {% call swift::try(func) %} {{ return_type|lift_fn }}(
+        {% call swift::to_ffi_call(func) %}
+    )
+}
+
+{%- when None %}
+
+public func {{ func.name()|fn_name }}({% call swift::arg_list_decl(func) %}) {% call swift::throws(func) %} {
+    {% call swift::to_ffi_call(func) %}
+}
+
+{% endmatch %}
+{%- endif %}