Implement special case types in extern Rust argument position
diff --git a/macro/src/expand.rs b/macro/src/expand.rs
index e631e67..ac10b78 100644
--- a/macro/src/expand.rs
+++ b/macro/src/expand.rs
@@ -231,10 +231,21 @@
let args = efn.args.iter().map(|arg| expand_extern_arg(arg, types));
let vars = efn.args.iter().map(|arg| {
let ident = &arg.ident;
- if types.needs_indirect_abi(&arg.ty) {
+ let var = if types.needs_indirect_abi(&arg.ty) {
quote!(::std::ptr::read(#ident))
} else {
quote!(#ident)
+ };
+ match &arg.ty {
+ Type::Ident(ident) if ident == "String" => quote!(#var.into_string()),
+ Type::RustBox(_) => quote!(::std::boxed::Box::from_raw(#var)),
+ Type::UniquePtr(_) => quote!(::cxx::UniquePtr::from_raw(#var)),
+ Type::Ref(ty) => match &ty.inner {
+ Type::Ident(ident) if ident == "String" => quote!(#var.as_string()),
+ _ => var,
+ },
+ Type::Str(_) => quote!(#var.as_str()),
+ _ => var,
}
});
let mut outparam = None;