3 pub(crate) fn strip_item(mut item: Item) -> Item {
4 if !matches!(*item.kind, StrippedItem(..)) {
5 item.kind = Box::new(StrippedItem(item.kind));
10 pub(crate) trait DocFolder: Sized {
11 fn fold_item(&mut self, item: Item) -> Option<Item> {
12 Some(self.fold_item_recur(item))
16 fn fold_inner_recur(&mut self, kind: ItemKind) -> ItemKind {
18 StrippedItem(..) => unreachable!(),
19 ModuleItem(i) => ModuleItem(self.fold_mod(i)),
20 StructItem(mut i) => {
21 i.fields = i.fields.into_iter().filter_map(|x| self.fold_item(x)).collect();
25 i.fields = i.fields.into_iter().filter_map(|x| self.fold_item(x)).collect();
29 i.variants = i.variants.into_iter().filter_map(|x| self.fold_item(x)).collect();
33 i.items = i.items.into_iter().filter_map(|x| self.fold_item(x)).collect();
37 i.items = i.items.into_iter().filter_map(|x| self.fold_item(x)).collect();
40 VariantItem(Variant { kind, discriminant }) => {
41 let kind = match kind {
42 VariantKind::Struct(mut j) => {
43 j.fields = j.fields.into_iter().filter_map(|x| self.fold_item(x)).collect();
44 VariantKind::Struct(j)
46 VariantKind::Tuple(fields) => {
47 let fields = fields.into_iter().filter_map(|x| self.fold_item(x)).collect();
48 VariantKind::Tuple(fields)
50 VariantKind::CLike => VariantKind::CLike,
53 VariantItem(Variant { kind, discriminant })
55 ExternCrateItem { src: _ }
66 | ForeignFunctionItem(_)
67 | ForeignStaticItem(_)
72 | TyAssocConstItem(..)
76 | KeywordItem => kind,
81 fn fold_item_recur(&mut self, mut item: Item) -> Item {
82 item.kind = Box::new(match *item.kind {
83 StrippedItem(box i) => StrippedItem(Box::new(self.fold_inner_recur(i))),
84 _ => self.fold_inner_recur(*item.kind),
89 fn fold_mod(&mut self, m: Module) -> Module {
92 items: m.items.into_iter().filter_map(|i| self.fold_item(i)).collect(),
96 fn fold_crate(&mut self, mut c: Crate) -> Crate {
97 c.module = self.fold_item(c.module).unwrap();
99 let external_traits = { std::mem::take(&mut *c.external_traits.borrow_mut()) };
100 for (k, mut v) in external_traits {
101 v.items = v.items.into_iter().filter_map(|i| self.fold_item(i)).collect();
102 c.external_traits.borrow_mut().insert(k, v);