Drop `#[no_mangle]` from `*_write_void` to make cbindgen not export
[ldk-c-bindings] / c-bindings-gen / src / main.rs
index c00b32d356a7865a026cc8e7f9ef5ae67837823d..6853534624427a7b0a5fcb8295f8b4999254e672 100644 (file)
@@ -95,7 +95,6 @@ fn maybe_convert_trait_impl<W: std::io::Write>(w: &mut W, trait_path: &syn::Path
 
                                writeln!(w, "}}").unwrap();
                                if has_inner {
-                                       writeln!(w, "#[no_mangle]").unwrap();
                                        writeln!(w, "pub(crate) extern \"C\" fn {}_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {{", for_obj).unwrap();
                                        writeln!(w, "\tcrate::c_types::serialize_obj(unsafe {{ &*(obj as *const native{}) }})", for_obj).unwrap();
                                        writeln!(w, "}}").unwrap();
@@ -1254,15 +1253,22 @@ fn writeln_impl<W: std::io::Write>(w: &mut W, w_uses: &mut HashSet<String, NonRa
                                                        writeln!(w, "extern \"C\" fn {}_{}_cloned(new_obj: &mut crate::{}) {{", trait_obj.ident, ident, full_trait_path).unwrap();
                                                        writeln!(w, "\tnew_obj.this_arg = {}_clone_void(new_obj.this_arg);", ident).unwrap();
                                                        writeln!(w, "\tnew_obj.free = Some({}_free_void);", ident).unwrap();
-                                                       walk_supertraits!(trait_obj, Some(&types), (
-                                                               (s, t, _) => {
-                                                                       if types.crate_types.traits.get(s).is_some() {
-                                                                               assert!(!types.is_clonable(s)); // We don't currently support cloning with a clonable supertrait
-                                                                               writeln!(w, "\tnew_obj.{}.this_arg = new_obj.this_arg;", t).unwrap();
-                                                                               writeln!(w, "\tnew_obj.{}.free = None;", t).unwrap();
+
+                                                       fn seek_supertraits<W: std::io::Write>(w: &mut W, pfx: &str, tr: &syn::ItemTrait, types: &TypeResolver) {
+                                                               walk_supertraits!(tr, Some(types), (
+                                                                       (s, t, _) => {
+                                                                               if types.crate_types.traits.get(s).is_some() {
+                                                                                       assert!(!types.is_clonable(s)); // We don't currently support cloning with a clonable supertrait
+                                                                                       writeln!(w, "\tnew_obj.{}{}.this_arg = new_obj.this_arg;", pfx, t).unwrap();
+                                                                                       writeln!(w, "\tnew_obj.{}{}.free = None;", pfx, t).unwrap();
+                                                                                       let tr = types.crate_types.traits.get(s).unwrap();
+                                                                                       let resolver = get_module_type_resolver!(s, types.crate_types);
+                                                                                       seek_supertraits(w, &format!("{}.", t), tr, &resolver);
+                                                                               }
                                                                        }
-                                                               }
-                                                       ) );
+                                                               ) );
+                                                       }
+                                                       seek_supertraits(w, "", trait_obj, types);
                                                        writeln!(w, "}}").unwrap();
                                                }
                                                write!(w, "\n").unwrap();