Map Vecs to slices when constructing a getter for a public field

[ldk-c-bindings] / c-bindings-gen / src / main.rs

diff --git a/c-bindings-gen/src/main.rs b/c-bindings-gen/src/main.rs
index 5ac8380819d9ad51605775d78381e54f223035da..bfadca0ed8dc415be471efa712a620ac21c3fedf 100644 (file)
--- a/c-bindings-gen/src/main.rs
+++ b/c-bindings-gen/src/main.rs
@@ -618,20 +618,19 @@ fn writeln_struct<'a, 'b, W: std::io::Write>(w: &mut W, s: &'a syn::ItemStruct,
                                }
 
                                if let Some(ident) = &field.ident {
-                                       let ref_type = syn::Type::Reference(syn::TypeReference {
-                                               and_token: syn::Token!(&)(Span::call_site()), lifetime: None, mutability: None,
-                                               elem: Box::new(field.ty.clone()) });
-                                       if types.understood_c_type(&ref_type, Some(&gen_types)) {
-                                               writeln_arg_docs(w, &field.attrs, "", types, Some(&gen_types), vec![].drain(..), Some(&ref_type));
-                                               write!(w, "#[no_mangle]\npub extern \"C\" fn {}_get_{}(this_ptr: &{}) -> ", struct_name, ident, struct_name).unwrap();
-                                               types.write_c_type(w, &ref_type, Some(&gen_types), true);
-                                               write!(w, " {{\n\tlet mut inner_val = &mut this_ptr.get_native_mut_ref().{};\n\t", ident).unwrap();
-                                               let local_var = types.write_to_c_conversion_new_var(w, &format_ident!("inner_val"), &ref_type, Some(&gen_types), true);
-                                               if local_var { write!(w, "\n\t").unwrap(); }
-                                               types.write_to_c_conversion_inline_prefix(w, &ref_type, Some(&gen_types), true);
-                                               write!(w, "inner_val").unwrap();
-                                               types.write_to_c_conversion_inline_suffix(w, &ref_type, Some(&gen_types), true);
-                                               writeln!(w, "\n}}").unwrap();
+                                       if let Some(ref_type) = types.create_ownable_reference(&field.ty, Some(&gen_types)) {
+                                               if types.understood_c_type(&ref_type, Some(&gen_types)) {
+                                                       writeln_arg_docs(w, &field.attrs, "", types, Some(&gen_types), vec![].drain(..), Some(&ref_type));
+                                                       write!(w, "#[no_mangle]\npub extern \"C\" fn {}_get_{}(this_ptr: &{}) -> ", struct_name, ident, struct_name).unwrap();
+                                                       types.write_c_type(w, &ref_type, Some(&gen_types), true);
+                                                       write!(w, " {{\n\tlet mut inner_val = &mut this_ptr.get_native_mut_ref().{};\n\t", ident).unwrap();
+                                                       let local_var = types.write_to_c_conversion_new_var(w, &format_ident!("inner_val"), &ref_type, Some(&gen_types), true);
+                                                       if local_var { write!(w, "\n\t").unwrap(); }
+                                                       types.write_to_c_conversion_inline_prefix(w, &ref_type, Some(&gen_types), true);
+                                                       write!(w, "inner_val").unwrap();
+                                                       types.write_to_c_conversion_inline_suffix(w, &ref_type, Some(&gen_types), true);
+                                                       writeln!(w, "\n}}").unwrap();
+                                               }
                                        }
 
                                        if types.understood_c_type(&field.ty, Some(&gen_types)) {