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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/librustdoc/visit.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librustdoc/visit.rs')
-rw-r--r--src/librustdoc/visit.rs72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/librustdoc/visit.rs b/src/librustdoc/visit.rs
new file mode 100644
index 000000000..0bb41977c
--- /dev/null
+++ b/src/librustdoc/visit.rs
@@ -0,0 +1,72 @@
+use crate::clean::*;
+
+pub(crate) trait DocVisitor: Sized {
+ fn visit_item(&mut self, item: &Item) {
+ self.visit_item_recur(item)
+ }
+
+ /// don't override!
+ fn visit_inner_recur(&mut self, kind: &ItemKind) {
+ match kind {
+ StrippedItem(..) => unreachable!(),
+ ModuleItem(i) => {
+ self.visit_mod(i);
+ }
+ StructItem(i) => i.fields.iter().for_each(|x| self.visit_item(x)),
+ UnionItem(i) => i.fields.iter().for_each(|x| self.visit_item(x)),
+ EnumItem(i) => i.variants.iter().for_each(|x| self.visit_item(x)),
+ TraitItem(i) => i.items.iter().for_each(|x| self.visit_item(x)),
+ ImplItem(i) => i.items.iter().for_each(|x| self.visit_item(x)),
+ VariantItem(i) => match i {
+ Variant::Struct(j) => j.fields.iter().for_each(|x| self.visit_item(x)),
+ Variant::Tuple(fields) => fields.iter().for_each(|x| self.visit_item(x)),
+ Variant::CLike => {}
+ },
+ ExternCrateItem { src: _ }
+ | ImportItem(_)
+ | FunctionItem(_)
+ | TypedefItem(_)
+ | OpaqueTyItem(_)
+ | StaticItem(_)
+ | ConstantItem(_)
+ | TraitAliasItem(_)
+ | TyMethodItem(_)
+ | MethodItem(_, _)
+ | StructFieldItem(_)
+ | ForeignFunctionItem(_)
+ | ForeignStaticItem(_)
+ | ForeignTypeItem
+ | MacroItem(_)
+ | ProcMacroItem(_)
+ | PrimitiveItem(_)
+ | TyAssocConstItem(..)
+ | AssocConstItem(..)
+ | TyAssocTypeItem(..)
+ | AssocTypeItem(..)
+ | KeywordItem => {}
+ }
+ }
+
+ /// don't override!
+ fn visit_item_recur(&mut self, item: &Item) {
+ match &*item.kind {
+ StrippedItem(i) => self.visit_inner_recur(i),
+ _ => self.visit_inner_recur(&item.kind),
+ }
+ }
+
+ fn visit_mod(&mut self, m: &Module) {
+ m.items.iter().for_each(|i| self.visit_item(i))
+ }
+
+ fn visit_crate(&mut self, c: &Crate) {
+ self.visit_item(&c.module);
+
+ // FIXME: make this a simple by-ref for loop once external_traits is cleaned up
+ let external_traits = { std::mem::take(&mut *c.external_traits.borrow_mut()) };
+ for (k, v) in external_traits {
+ v.trait_.items.iter().for_each(|i| self.visit_item(i));
+ c.external_traits.borrow_mut().insert(k, v);
+ }
+ }
+}