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Auto merge of #129789 - notriddle:notriddle/inline-stmt-local, r=GuillaumeGomez

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rustdoc: use strategic boxing to shrink `clean::Item`

* `inline_stmt_id` is never a cross-crate DefId, so save space by not storing it.
* Instead of two inner boxes for `Item`, use one.
This commit is contained in:
bors 2024-09-09 23:16:56 +00:00
commit 712463de61
28 changed files with 215 additions and 197 deletions
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22
src/librustdoc/clean/auto_trait.rs
View File

@ -115,17 +115,19 @@ fn synthesize_auto_trait_impl<'tcx>(
Some(clean::Item {
name: None,
attrs: Default::default(),
inner: Box::new(clean::ItemInner {
attrs: Default::default(),
kind: clean::ImplItem(Box::new(clean::Impl {
safety: hir::Safety::Safe,
generics,
trait_: Some(clean_trait_ref_with_constraints(cx, trait_ref, ThinVec::new())),
for_: clean_middle_ty(ty::Binder::dummy(ty), cx, None, None),
items: Vec::new(),
polarity,
kind: clean::ImplKind::Auto,
})),
}),
item_id: clean::ItemId::Auto { trait_: trait_def_id, for_: item_def_id },
kind: Box::new(clean::ImplItem(Box::new(clean::Impl {
safety: hir::Safety::Safe,
generics,
trait_: Some(clean_trait_ref_with_constraints(cx, trait_ref, ThinVec::new())),
for_: clean_middle_ty(ty::Binder::dummy(ty), cx, None, None),
items: Vec::new(),
polarity,
kind: clean::ImplKind::Auto,
}))),
cfg: None,
inline_stmt_id: None,
})

72
src/librustdoc/clean/blanket_impl.rs
View File

@ -84,42 +84,44 @@ pub(crate) fn synthesize_blanket_impls(
blanket_impls.push(clean::Item {
name: None,
attrs: Default::default(),
item_id: clean::ItemId::Blanket { impl_id: impl_def_id, for_: item_def_id },
kind: Box::new(clean::ImplItem(Box::new(clean::Impl {
safety: hir::Safety::Safe,
generics: clean_ty_generics(
cx,
tcx.generics_of(impl_def_id),
tcx.explicit_predicates_of(impl_def_id),
),
// FIXME(eddyb) compute both `trait_` and `for_` from
// the post-inference `trait_ref`, as it's more accurate.
trait_: Some(clean_trait_ref_with_constraints(
cx,
ty::Binder::dummy(trait_ref.instantiate_identity()),
ThinVec::new(),
)),
for_: clean_middle_ty(
ty::Binder::dummy(ty.instantiate_identity()),
cx,
None,
None,
),
items: tcx
.associated_items(impl_def_id)
.in_definition_order()
.filter(|item| !item.is_impl_trait_in_trait())
.map(|item| clean_middle_assoc_item(item, cx))
.collect(),
polarity: ty::ImplPolarity::Positive,
kind: clean::ImplKind::Blanket(Box::new(clean_middle_ty(
ty::Binder::dummy(trait_ref.instantiate_identity().self_ty()),
cx,
None,
None,
))),
}))),
inner: Box::new(clean::ItemInner {
attrs: Default::default(),
kind: clean::ImplItem(Box::new(clean::Impl {
safety: hir::Safety::Safe,
generics: clean_ty_generics(
cx,
tcx.generics_of(impl_def_id),
tcx.explicit_predicates_of(impl_def_id),
),
// FIXME(eddyb) compute both `trait_` and `for_` from
// the post-inference `trait_ref`, as it's more accurate.
trait_: Some(clean_trait_ref_with_constraints(
cx,
ty::Binder::dummy(trait_ref.instantiate_identity()),
ThinVec::new(),
)),
for_: clean_middle_ty(
ty::Binder::dummy(ty.instantiate_identity()),
cx,
None,
None,
),
items: tcx
.associated_items(impl_def_id)
.in_definition_order()
.filter(|item| !item.is_impl_trait_in_trait())
.map(|item| clean_middle_assoc_item(item, cx))
.collect(),
polarity: ty::ImplPolarity::Positive,
kind: clean::ImplKind::Blanket(Box::new(clean_middle_ty(
ty::Binder::dummy(trait_ref.instantiate_identity().self_ty()),
cx,
None,
None,
))),
})),
}),
cfg: None,
inline_stmt_id: None,
});

69
src/librustdoc/clean/inline.rs
View File

@ -5,7 +5,7 @@ use std::sync::Arc;
use rustc_data_structures::fx::FxHashSet;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{DefId, DefIdSet, LocalModDefId};
use rustc_hir::def_id::{DefId, DefIdSet, LocalDefId, LocalModDefId};
use rustc_hir::Mutability;
use rustc_metadata::creader::{CStore, LoadedMacro};
use rustc_middle::ty::fast_reject::SimplifiedType;
@ -43,7 +43,7 @@ pub(crate) fn try_inline(
cx: &mut DocContext<'_>,
res: Res,
name: Symbol,
attrs: Option<(&[ast::Attribute], Option<DefId>)>,
attrs: Option<(&[ast::Attribute], Option<LocalDefId>)>,
visited: &mut DefIdSet,
) -> Option<Vec<clean::Item>> {
let did = res.opt_def_id()?;
@ -152,14 +152,8 @@ pub(crate) fn try_inline(
};
cx.inlined.insert(did.into());
let mut item = crate::clean::generate_item_with_correct_attrs(
cx,
kind,
did,
name,
import_def_id.and_then(|def_id| def_id.as_local()),
None,
);
let mut item =
crate::clean::generate_item_with_correct_attrs(cx, kind, did, name, import_def_id, None);
// The visibility needs to reflect the one from the reexport and not from the "source" DefId.
item.inline_stmt_id = import_def_id;
ret.push(item);
@ -198,7 +192,7 @@ pub(crate) fn try_inline_glob(
visited,
inlined_names,
Some(&reexports),
Some((attrs, Some(import.owner_id.def_id.to_def_id()))),
Some((attrs, Some(import.owner_id.def_id))),
);
items.retain(|item| {
if let Some(name) = item.name {
@ -372,7 +366,7 @@ fn build_type_alias(
pub(crate) fn build_impls(
cx: &mut DocContext<'_>,
did: DefId,
attrs: Option<(&[ast::Attribute], Option<DefId>)>,
attrs: Option<(&[ast::Attribute], Option<LocalDefId>)>,
ret: &mut Vec<clean::Item>,
) {
let _prof_timer = cx.tcx.sess.prof.generic_activity("build_inherent_impls");
@ -405,7 +399,7 @@ pub(crate) fn build_impls(
pub(crate) fn merge_attrs(
cx: &mut DocContext<'_>,
old_attrs: &[ast::Attribute],
new_attrs: Option<(&[ast::Attribute], Option<DefId>)>,
new_attrs: Option<(&[ast::Attribute], Option<LocalDefId>)>,
) -> (clean::Attributes, Option<Arc<clean::cfg::Cfg>>) {
// NOTE: If we have additional attributes (from a re-export),
// always insert them first. This ensure that re-export
@ -416,7 +410,7 @@ pub(crate) fn merge_attrs(
both.extend_from_slice(old_attrs);
(
if let Some(item_id) = item_id {
Attributes::from_ast_with_additional(old_attrs, (inner, item_id))
Attributes::from_ast_with_additional(old_attrs, (inner, item_id.to_def_id()))
} else {
Attributes::from_ast(&both)
},
@ -431,7 +425,7 @@ pub(crate) fn merge_attrs(
pub(crate) fn build_impl(
cx: &mut DocContext<'_>,
did: DefId,
attrs: Option<(&[ast::Attribute], Option<DefId>)>,
attrs: Option<(&[ast::Attribute], Option<LocalDefId>)>,
ret: &mut Vec<clean::Item>,
) {
if !cx.inlined.insert(did.into()) {
@ -623,7 +617,7 @@ pub(crate) fn build_impl(
ImplKind::Normal
},
})),
Box::new(merged_attrs),
merged_attrs,
cfg,
));
}
@ -641,7 +635,7 @@ fn build_module_items(
visited: &mut DefIdSet,
inlined_names: &mut FxHashSet<(ItemType, Symbol)>,
allowed_def_ids: Option<&DefIdSet>,
attrs: Option<(&[ast::Attribute], Option<DefId>)>,
attrs: Option<(&[ast::Attribute], Option<LocalDefId>)>,
) -> Vec<clean::Item> {
let mut items = Vec::new();
@ -673,27 +667,29 @@ fn build_module_items(
let prim_ty = clean::PrimitiveType::from(p);
items.push(clean::Item {
name: None,
attrs: Box::default(),
// We can use the item's `DefId` directly since the only information ever used
// from it is `DefId.krate`.
item_id: ItemId::DefId(did),
kind: Box::new(clean::ImportItem(clean::Import::new_simple(
item.ident.name,
clean::ImportSource {
path: clean::Path {
res,
segments: thin_vec![clean::PathSegment {
name: prim_ty.as_sym(),
args: clean::GenericArgs::AngleBracketed {
args: Default::default(),
constraints: ThinVec::new(),
},
}],
inner: Box::new(clean::ItemInner {
attrs: Default::default(),
kind: clean::ImportItem(clean::Import::new_simple(
item.ident.name,
clean::ImportSource {
path: clean::Path {
res,
segments: thin_vec![clean::PathSegment {
name: prim_ty.as_sym(),
args: clean::GenericArgs::AngleBracketed {
args: Default::default(),
constraints: ThinVec::new(),
},
}],
},
did: None,
},
did: None,
},
true,
))),
true,
)),
}),
cfg: None,
inline_stmt_id: None,
});
@ -745,7 +741,7 @@ fn build_macro(
cx: &mut DocContext<'_>,
def_id: DefId,
name: Symbol,
import_def_id: Option<DefId>,
import_def_id: Option<LocalDefId>,
macro_kind: MacroKind,
is_doc_hidden: bool,
) -> clean::ItemKind {
@ -753,7 +749,8 @@ fn build_macro(
LoadedMacro::MacroDef(item_def, _) => match macro_kind {
MacroKind::Bang => {
if let ast::ItemKind::MacroDef(ref def) = item_def.kind {
let vis = cx.tcx.visibility(import_def_id.unwrap_or(def_id));
let vis =
cx.tcx.visibility(import_def_id.map(|d| d.to_def_id()).unwrap_or(def_id));
clean::MacroItem(clean::Macro {
source: utils::display_macro_source(
cx,

14
src/librustdoc/clean/mod.rs
View File

@ -203,8 +203,8 @@ fn generate_item_with_correct_attrs(
let attrs = Attributes::from_ast_iter(attrs.iter().map(|(attr, did)| (&**attr, *did)), false);
let name = renamed.or(Some(name));
let mut item = Item::from_def_id_and_attrs_and_parts(def_id, name, kind, Box::new(attrs), cfg);
item.inline_stmt_id = import_id.map(|local| local.to_def_id());
let mut item = Item::from_def_id_and_attrs_and_parts(def_id, name, kind, attrs, cfg);
item.inline_stmt_id = import_id;
item
}
@ -2927,7 +2927,7 @@ fn clean_extern_crate<'tcx>(
})
&& !cx.output_format.is_json();
let krate_owner_def_id = krate.owner_id.to_def_id();
let krate_owner_def_id = krate.owner_id.def_id;
if please_inline {
if let Some(items) = inline::try_inline(
cx,
@ -2941,7 +2941,7 @@ fn clean_extern_crate<'tcx>(
}
vec![Item::from_def_id_and_parts(
krate_owner_def_id,
krate_owner_def_id.to_def_id(),
Some(name),
ExternCrateItem { src: orig_name },
cx,
@ -2988,7 +2988,7 @@ fn clean_use_statement_inner<'tcx>(
let inline_attr = attrs.lists(sym::doc).get_word_attr(sym::inline);
let pub_underscore = visibility.is_public() && name == kw::Underscore;
let current_mod = cx.tcx.parent_module_from_def_id(import.owner_id.def_id);
let import_def_id = import.owner_id.def_id.to_def_id();
let import_def_id = import.owner_id.def_id;
// The parent of the module in which this import resides. This
// is the same as `current_mod` if that's already the top
@ -3071,7 +3071,7 @@ fn clean_use_statement_inner<'tcx>(
)
{
items.push(Item::from_def_id_and_parts(
import_def_id,
import_def_id.to_def_id(),
None,
ImportItem(Import::new_simple(name, resolve_use_source(cx, path), false)),
cx,
@ -3081,7 +3081,7 @@ fn clean_use_statement_inner<'tcx>(
Import::new_simple(name, resolve_use_source(cx, path), true)
};
vec![Item::from_def_id_and_parts(import_def_id, None, ImportItem(inner), cx)]
vec![Item::from_def_id_and_parts(import_def_id.to_def_id(), None, ImportItem(inner), cx)]
}
fn clean_maybe_renamed_foreign_item<'tcx>(

63
src/librustdoc/clean/types.rs
View File

@ -320,14 +320,28 @@ pub(crate) struct Item {
/// The name of this item.
/// Optional because not every item has a name, e.g. impls.
pub(crate) name: Option<Symbol>,
pub(crate) attrs: Box<Attributes>,
pub(crate) inner: Box<ItemInner>,
pub(crate) item_id: ItemId,
/// This is the `LocalDefId` of the `use` statement if the item was inlined.
/// The crate metadata doesn't hold this information, so the `use` statement
/// always belongs to the current crate.
pub(crate) inline_stmt_id: Option<LocalDefId>,
pub(crate) cfg: Option<Arc<Cfg>>,
}
#[derive(Clone)]
pub(crate) struct ItemInner {
/// Information about this item that is specific to what kind of item it is.
/// E.g., struct vs enum vs function.
pub(crate) kind: Box<ItemKind>,
pub(crate) item_id: ItemId,
/// This is the `DefId` of the `use` statement if the item was inlined.
pub(crate) inline_stmt_id: Option<DefId>,
pub(crate) cfg: Option<Arc<Cfg>>,
pub(crate) kind: ItemKind,
pub(crate) attrs: Attributes,
}
impl std::ops::Deref for Item {
type Target = ItemInner;
fn deref(&self) -> &ItemInner {
&*self.inner
}
}
/// NOTE: this does NOT unconditionally print every item, to avoid thousands of lines of logs.
@ -389,9 +403,9 @@ impl Item {
}
pub(crate) fn span(&self, tcx: TyCtxt<'_>) -> Option<Span> {
let kind = match &*self.kind {
ItemKind::StrippedItem(k) => k,
_ => &*self.kind,
let kind = match &self.kind {
ItemKind::StrippedItem(k) => &*k,
_ => &self.kind,
};
match kind {
ItemKind::ModuleItem(Module { span, .. }) => Some(*span),
@ -436,7 +450,7 @@ impl Item {
def_id,
name,
kind,
Box::new(Attributes::from_ast(ast_attrs)),
Attributes::from_ast(ast_attrs),
ast_attrs.cfg(cx.tcx, &cx.cache.hidden_cfg),
)
}
@ -445,16 +459,15 @@ impl Item {
def_id: DefId,
name: Option<Symbol>,
kind: ItemKind,
attrs: Box<Attributes>,
attrs: Attributes,
cfg: Option<Arc<Cfg>>,
) -> Item {
trace!("name={name:?}, def_id={def_id:?} cfg={cfg:?}");
Item {
item_id: def_id.into(),
kind: Box::new(kind),
inner: Box::new(ItemInner { kind, attrs }),
name,
attrs,
cfg,
inline_stmt_id: None,
}
@ -522,16 +535,16 @@ impl Item {
self.type_() == ItemType::Variant
}
pub(crate) fn is_associated_type(&self) -> bool {
matches!(&*self.kind, AssocTypeItem(..) | StrippedItem(box AssocTypeItem(..)))
matches!(self.kind, AssocTypeItem(..) | StrippedItem(box AssocTypeItem(..)))
}
pub(crate) fn is_ty_associated_type(&self) -> bool {
matches!(&*self.kind, TyAssocTypeItem(..) | StrippedItem(box TyAssocTypeItem(..)))
matches!(self.kind, TyAssocTypeItem(..) | StrippedItem(box TyAssocTypeItem(..)))
}
pub(crate) fn is_associated_const(&self) -> bool {
matches!(&*self.kind, AssocConstItem(..) | StrippedItem(box AssocConstItem(..)))
matches!(self.kind, AssocConstItem(..) | StrippedItem(box AssocConstItem(..)))
}
pub(crate) fn is_ty_associated_const(&self) -> bool {
matches!(&*self.kind, TyAssocConstItem(..) | StrippedItem(box TyAssocConstItem(..)))
matches!(self.kind, TyAssocConstItem(..) | StrippedItem(box TyAssocConstItem(..)))
}
pub(crate) fn is_method(&self) -> bool {
self.type_() == ItemType::Method
@ -555,14 +568,14 @@ impl Item {
self.type_() == ItemType::Keyword
}
pub(crate) fn is_stripped(&self) -> bool {
match *self.kind {
match self.kind {
StrippedItem(..) => true,
ImportItem(ref i) => !i.should_be_displayed,
_ => false,
}
}
pub(crate) fn has_stripped_entries(&self) -> Option<bool> {
match *self.kind {
match self.kind {
StructItem(ref struct_) => Some(struct_.has_stripped_entries()),
UnionItem(ref union_) => Some(union_.has_stripped_entries()),
EnumItem(ref enum_) => Some(enum_.has_stripped_entries()),
@ -605,7 +618,7 @@ impl Item {
}
pub(crate) fn is_default(&self) -> bool {
match *self.kind {
match self.kind {
ItemKind::MethodItem(_, Some(defaultness)) => {
defaultness.has_value() && !defaultness.is_final()
}
@ -633,7 +646,7 @@ impl Item {
};
hir::FnHeader { safety: sig.safety(), abi: sig.abi(), constness, asyncness }
}
let header = match *self.kind {
let header = match self.kind {
ItemKind::ForeignFunctionItem(_, safety) => {
let def_id = self.def_id().unwrap();
let abi = tcx.fn_sig(def_id).skip_binder().abi();
@ -672,7 +685,7 @@ impl Item {
ItemId::DefId(def_id) => def_id,
};
match *self.kind {
match self.kind {
// Primitives and Keywords are written in the source code as private modules.
// The modules need to be private so that nobody actually uses them, but the
// keywords and primitives that they are documenting are public.
@ -702,7 +715,7 @@ impl Item {
_ => {}
}
let def_id = match self.inline_stmt_id {
Some(inlined) => inlined,
Some(inlined) => inlined.to_def_id(),
None => def_id,
};
Some(tcx.visibility(def_id))
@ -2559,13 +2572,13 @@ mod size_asserts {
use super::*;
// tidy-alphabetical-start
static_assert_size!(Crate, 64); // frequently moved by-value
static_assert_size!(Crate, 56); // frequently moved by-value
static_assert_size!(DocFragment, 32);
static_assert_size!(GenericArg, 32);
static_assert_size!(GenericArgs, 32);
static_assert_size!(GenericParamDef, 40);
static_assert_size!(Generics, 16);
static_assert_size!(Item, 56);
static_assert_size!(Item, 48);
static_assert_size!(ItemKind, 48);
static_assert_size!(PathSegment, 40);
static_assert_size!(Type, 32);

6
src/librustdoc/clean/utils.rs
View File

@ -36,7 +36,7 @@ pub(crate) fn krate(cx: &mut DocContext<'_>) -> Crate {
// understood by rustdoc.
let mut module = clean_doc_module(&module, cx);
match *module.kind {
match module.kind {
ItemKind::ModuleItem(ref module) => {
for it in &module.items {
// `compiler_builtins` should be masked too, but we can't apply
@ -60,7 +60,7 @@ pub(crate) fn krate(cx: &mut DocContext<'_>) -> Crate {
let primitives = local_crate.primitives(cx.tcx);
let keywords = local_crate.keywords(cx.tcx);
{
let ItemKind::ModuleItem(ref mut m) = *module.kind else { unreachable!() };
let ItemKind::ModuleItem(ref mut m) = &mut module.inner.kind else { unreachable!() };
m.items.extend(primitives.iter().map(|&(def_id, prim)| {
Item::from_def_id_and_parts(
def_id,
@ -281,7 +281,7 @@ pub(crate) fn build_deref_target_impls(
let tcx = cx.tcx;
for item in items {
let target = match *item.kind {
let target = match item.kind {
ItemKind::AssocTypeItem(ref t, _) => &t.type_,
_ => continue,
};

10
src/librustdoc/fold.rs
View File

@ -1,8 +1,8 @@
use crate::clean::*;
pub(crate) fn strip_item(mut item: Item) -> Item {
if !matches!(*item.kind, StrippedItem(..)) {
item.kind = Box::new(StrippedItem(item.kind));
if !matches!(item.inner.kind, StrippedItem(..)) {
item.inner.kind = StrippedItem(Box::new(item.inner.kind));
}
item
}
@ -99,10 +99,10 @@ pub(crate) trait DocFolder: Sized {
/// don't override!
fn fold_item_recur(&mut self, mut item: Item) -> Item {
item.kind = Box::new(match *item.kind {
item.inner.kind = match item.inner.kind {
StrippedItem(box i) => StrippedItem(Box::new(self.fold_inner_recur(i))),
_ => self.fold_inner_recur(*item.kind),
});
_ => self.fold_inner_recur(item.inner.kind),
};
item
}

26
src/librustdoc/formats/cache.rs
View File

@ -216,7 +216,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
// If this is a stripped module,
// we don't want it or its children in the search index.
let orig_stripped_mod = match *item.kind {
let orig_stripped_mod = match item.kind {
clean::StrippedItem(box clean::ModuleItem(..)) => {
mem::replace(&mut self.cache.stripped_mod, true)
}
@ -232,7 +232,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
// If the impl is from a masked crate or references something from a
// masked crate then remove it completely.
if let clean::ImplItem(ref i) = *item.kind
if let clean::ImplItem(ref i) = item.kind
&& (self.cache.masked_crates.contains(&item.item_id.krate())
|| i.trait_
.as_ref()
@ -246,9 +246,9 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
// Propagate a trait method's documentation to all implementors of the
// trait.
if let clean::TraitItem(ref t) = *item.kind {
if let clean::TraitItem(ref t) = item.kind {
self.cache.traits.entry(item.item_id.expect_def_id()).or_insert_with(|| (**t).clone());
} else if let clean::ImplItem(ref i) = *item.kind
} else if let clean::ImplItem(ref i) = item.kind
&& let Some(trait_) = &i.trait_
&& !i.kind.is_blanket()
{
@ -263,7 +263,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
// Index this method for searching later on.
let search_name = if !item.is_stripped() {
item.name.or_else(|| {
if let clean::ImportItem(ref i) = *item.kind
if let clean::ImportItem(ref i) = item.kind
&& let clean::ImportKind::Simple(s) = i.kind
{
Some(s)
@ -287,7 +287,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
_ => false,
};
match *item.kind {
match item.kind {
clean::StructItem(..)
| clean::EnumItem(..)
| clean::TypeAliasItem(..)
@ -350,7 +350,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
}
// Maintain the parent stack.
let (item, parent_pushed) = match *item.kind {
let (item, parent_pushed) = match item.kind {
clean::TraitItem(..)
| clean::EnumItem(..)
| clean::ForeignTypeItem
@ -367,7 +367,11 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
// Once we've recursively found all the generics, hoard off all the
// implementations elsewhere.
let ret = if let clean::Item { kind: box clean::ImplItem(ref i), .. } = item {
let ret = if let clean::Item {
inner: box clean::ItemInner { kind: clean::ImplItem(ref i), .. },
..
} = item
{
// Figure out the id of this impl. This may map to a
// primitive rather than always to a struct/enum.
// Note: matching twice to restrict the lifetime of the `i` borrow.
@ -436,7 +440,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
fn add_item_to_search_index(tcx: TyCtxt<'_>, cache: &mut Cache, item: &clean::Item, name: Symbol) {
// Item has a name, so it must also have a DefId (can't be an impl, let alone a blanket or auto impl).
let item_def_id = item.item_id.as_def_id().unwrap();
let (parent_did, parent_path) = match *item.kind {
let (parent_did, parent_path) = match item.kind {
clean::StrippedItem(..) => return,
clean::AssocConstItem(..) | clean::AssocTypeItem(..)
if cache.parent_stack.last().is_some_and(|parent| parent.is_trait_impl()) =>
@ -528,7 +532,7 @@ fn add_item_to_search_index(tcx: TyCtxt<'_>, cache: &mut Cache, item: &clean::It
// - It's either an inline, or a true re-export
// - It's got the same name
// - Both of them have the same exact path
let defid = match &*item.kind {
let defid = match &item.kind {
clean::ItemKind::ImportItem(import) => import.source.did.unwrap_or(item_def_id),
_ => item_def_id,
};
@ -605,7 +609,7 @@ enum ParentStackItem {
impl ParentStackItem {
fn new(item: &clean::Item) -> Self {
match &*item.kind {
match &item.kind {
clean::ItemKind::ImplItem(box clean::Impl { for_, trait_, generics, kind, .. }) => {
ParentStackItem::Impl {
for_: for_.clone(),

2
src/librustdoc/formats/item_type.rs
View File

@ -70,7 +70,7 @@ impl Serialize for ItemType {
impl<'a> From<&'a clean::Item> for ItemType {
fn from(item: &'a clean::Item) -> ItemType {
let kind = match *item.kind {
let kind = match item.kind {
clean::StrippedItem(box ref item) => item,
ref kind => kind,
};

2
src/librustdoc/formats/mod.rs
View File

@ -16,7 +16,7 @@ pub(crate) struct Impl {
impl Impl {
pub(crate) fn inner_impl(&self) -> &clean::Impl {
match *self.impl_item.kind {
match self.impl_item.kind {
clean::ImplItem(ref impl_) => impl_,
_ => panic!("non-impl item found in impl"),
}

2
src/librustdoc/formats/renderer.rs
View File

@ -77,7 +77,7 @@ pub(crate) fn run_format<'tcx, T: FormatRenderer<'tcx>>(
cx.mod_item_in(&item)?;
let (clean::StrippedItem(box clean::ModuleItem(module)) | clean::ModuleItem(module)) =
*item.kind
item.inner.kind
else {
unreachable!()
};

2
src/librustdoc/html/render/context.rs
View File

@ -800,7 +800,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
// Render sidebar-items.js used throughout this module.
if !self.render_redirect_pages {
let (clean::StrippedItem(box clean::ModuleItem(ref module))
| clean::ModuleItem(ref module)) = *item.kind
| clean::ModuleItem(ref module)) = item.kind
else {
unreachable!()
};

22
src/librustdoc/html/render/mod.rs
View File

@ -620,7 +620,7 @@ fn document_full_inner<'a, 'cx: 'a>(
}
}
let kind = match &*item.kind {
let kind = match &item.kind {
clean::ItemKind::StrippedItem(box kind) | kind => kind,
};
@ -1072,7 +1072,7 @@ fn render_assoc_item(
cx: &mut Context<'_>,
render_mode: RenderMode,
) {
match &*item.kind {
match &item.kind {
clean::StrippedItem(..) => {}
clean::TyMethodItem(m) => {
assoc_method(w, item, &m.generics, &m.decl, link, parent, cx, render_mode)
@ -1350,7 +1350,7 @@ fn render_deref_methods(
.inner_impl()
.items
.iter()
.find_map(|item| match *item.kind {
.find_map(|item| match item.kind {
clean::AssocTypeItem(box ref t, _) => Some(match *t {
clean::TypeAlias { item_type: Some(ref type_), .. } => (type_, &t.type_),
_ => (&t.type_, &t.type_),
@ -1381,7 +1381,7 @@ fn render_deref_methods(
}
fn should_render_item(item: &clean::Item, deref_mut_: bool, tcx: TyCtxt<'_>) -> bool {
let self_type_opt = match *item.kind {
let self_type_opt = match item.kind {
clean::MethodItem(ref method, _) => method.decl.receiver_type(),
clean::TyMethodItem(ref method) => method.decl.receiver_type(),
_ => None,
@ -1491,7 +1491,7 @@ fn notable_traits_decl(ty: &clean::Type, cx: &Context<'_>) -> (String, String) {
write!(&mut out, "<div class=\"where\">{}</div>", impl_.print(false, cx));
for it in &impl_.items {
if let clean::AssocTypeItem(ref tydef, ref _bounds) = *it.kind {
if let clean::AssocTypeItem(ref tydef, ref _bounds) = it.kind {
out.push_str("<div class=\"where\"> ");
let empty_set = FxHashSet::default();
let src_link = AssocItemLink::GotoSource(trait_did.into(), &empty_set);
@ -1659,7 +1659,7 @@ fn render_impl(
let method_toggle_class = if item_type.is_method() { " method-toggle" } else { "" };
write!(w, "<details class=\"toggle{method_toggle_class}\" open><summary>");
}
match &*item.kind {
match &item.kind {
clean::MethodItem(..) | clean::TyMethodItem(_) => {
// Only render when the method is not static or we allow static methods
if render_method_item {
@ -1690,7 +1690,7 @@ fn render_impl(
w.write_str("</h4></section>");
}
}
clean::TyAssocConstItem(generics, ty) => {
clean::TyAssocConstItem(ref generics, ref ty) => {
let source_id = format!("{item_type}.{name}");
let id = cx.derive_id(&source_id);
write!(w, "<section id=\"{id}\" class=\"{item_type}{in_trait_class}\">");
@ -1734,7 +1734,7 @@ fn render_impl(
);
w.write_str("</h4></section>");
}
clean::TyAssocTypeItem(generics, bounds) => {
clean::TyAssocTypeItem(ref generics, ref bounds) => {
let source_id = format!("{item_type}.{name}");
let id = cx.derive_id(&source_id);
write!(w, "<section id=\"{id}\" class=\"{item_type}{in_trait_class}\">");
@ -1808,7 +1808,7 @@ fn render_impl(
if !impl_.is_negative_trait_impl() {
for trait_item in &impl_.items {
match *trait_item.kind {
match trait_item.kind {
clean::MethodItem(..) | clean::TyMethodItem(_) => methods.push(trait_item),
clean::TyAssocTypeItem(..) | clean::AssocTypeItem(..) => {
assoc_types.push(trait_item)
@ -2051,7 +2051,7 @@ pub(crate) fn render_impl_summary(
write!(w, "{}", inner_impl.print(use_absolute, cx));
if show_def_docs {
for it in &inner_impl.items {
if let clean::AssocTypeItem(ref tydef, ref _bounds) = *it.kind {
if let clean::AssocTypeItem(ref tydef, ref _bounds) = it.kind {
w.write_str("<div class=\"where\"> ");
assoc_type(
w,
@ -2172,7 +2172,7 @@ fn get_id_for_impl<'tcx>(tcx: TyCtxt<'tcx>, impl_id: ItemId) -> String {
}
fn extract_for_impl_name(item: &clean::Item, cx: &Context<'_>) -> Option<(String, String)> {
match *item.kind {
match item.kind {
clean::ItemKind::ImplItem(ref i) if i.trait_.is_some() => {
// Alternative format produces no URLs,
// so this parameter does nothing.

38
src/librustdoc/html/render/print_item.rs
View File

@ -178,7 +178,7 @@ fn print_where_clause_and_check<'a, 'tcx: 'a>(
pub(super) fn print_item(cx: &mut Context<'_>, item: &clean::Item, buf: &mut Buffer) {
debug_assert!(!item.is_stripped());
let typ = match *item.kind {
let typ = match item.kind {
clean::ModuleItem(_) => {
if item.is_crate() {
"Crate "
@ -252,7 +252,7 @@ pub(super) fn print_item(cx: &mut Context<'_>, item: &clean::Item, buf: &mut Buf
item_vars.render_into(buf).unwrap();
match &*item.kind {
match &item.kind {
clean::ModuleItem(ref m) => item_module(buf, cx, item, &m.items),
clean::FunctionItem(ref f) | clean::ForeignFunctionItem(ref f, _) => {
item_function(buf, cx, item, f)
@ -411,7 +411,7 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items:
);
}
match *myitem.kind {
match myitem.kind {
clean::ExternCrateItem { ref src } => {
use crate::html::format::anchor;
@ -477,7 +477,7 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items:
continue;
}
let unsafety_flag = match *myitem.kind {
let unsafety_flag = match myitem.kind {
clean::FunctionItem(_) | clean::ForeignFunctionItem(..)
if myitem.fn_header(tcx).unwrap().safety == hir::Safety::Unsafe =>
{
@ -1439,7 +1439,7 @@ fn item_union(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean:
self.s
.fields
.iter()
.filter_map(|f| match *f.kind {
.filter_map(|f| match f.kind {
clean::StructFieldItem(ref ty) => Some((f, ty)),
_ => None,
})
@ -1457,7 +1457,7 @@ fn print_tuple_struct_fields<'a, 'cx: 'a>(
display_fn(|f| {
if !s.is_empty()
&& s.iter().all(|field| {
matches!(*field.kind, clean::StrippedItem(box clean::StructFieldItem(..)))
matches!(field.kind, clean::StrippedItem(box clean::StructFieldItem(..)))
})
{
return f.write_str("<span class=\"comment\">/* private fields */</span>");
@ -1467,7 +1467,7 @@ fn print_tuple_struct_fields<'a, 'cx: 'a>(
if i > 0 {
f.write_str(", ")?;
}
match *ty.kind {
match ty.kind {
clean::StrippedItem(box clean::StructFieldItem(_)) => f.write_str("_")?,
clean::StructFieldItem(ref ty) => write!(f, "{}", ty.print(cx))?,
_ => unreachable!(),
@ -1521,7 +1521,7 @@ fn should_show_enum_discriminant(
) -> bool {
let mut has_variants_with_value = false;
for variant in variants {
if let clean::VariantItem(ref var) = *variant.kind
if let clean::VariantItem(ref var) = variant.kind
&& matches!(var.kind, clean::VariantKind::CLike)
{
has_variants_with_value |= var.discriminant.is_some();
@ -1592,7 +1592,7 @@ fn render_enum_fields(
continue;
}
w.write_str(TAB);
match *v.kind {
match v.kind {
clean::VariantItem(ref var) => match var.kind {
clean::VariantKind::CLike => display_c_like_variant(
w,
@ -1659,7 +1659,7 @@ fn item_variants(
" rightside",
);
w.write_str("<h3 class=\"code-header\">");
if let clean::VariantItem(ref var) = *variant.kind
if let clean::VariantItem(ref var) = variant.kind
&& let clean::VariantKind::CLike = var.kind
{
display_c_like_variant(
@ -1675,7 +1675,7 @@ fn item_variants(
w.write_str(variant.name.unwrap().as_str());
}
let clean::VariantItem(variant_data) = &*variant.kind else { unreachable!() };
let clean::VariantItem(variant_data) = &variant.kind else { unreachable!() };
if let clean::VariantKind::Tuple(ref s) = variant_data.kind {
write!(w, "({})", print_tuple_struct_fields(cx, s));
@ -1716,7 +1716,7 @@ fn item_variants(
document_non_exhaustive(variant)
);
for field in fields {
match *field.kind {
match field.kind {
clean::StrippedItem(box clean::StructFieldItem(_)) => {}
clean::StructFieldItem(ref ty) => {
let id = cx.derive_id(format!(
@ -1886,7 +1886,7 @@ fn item_fields(
) {
let mut fields = fields
.iter()
.filter_map(|f| match *f.kind {
.filter_map(|f| match f.kind {
clean::StructFieldItem(ref ty) => Some((f, ty)),
_ => None,
})
@ -2196,14 +2196,14 @@ fn render_union<'a, 'cx: 'a>(
write!(f, "{{\n")?;
let count_fields =
fields.iter().filter(|field| matches!(*field.kind, clean::StructFieldItem(..))).count();
fields.iter().filter(|field| matches!(field.kind, clean::StructFieldItem(..))).count();
let toggle = should_hide_fields(count_fields);
if toggle {
toggle_open(&mut f, format_args!("{count_fields} fields"));
}
for field in fields {
if let clean::StructFieldItem(ref ty) = *field.kind {
if let clean::StructFieldItem(ref ty) = field.kind {
write!(
f,
" {}{}: {},\n",
@ -2279,14 +2279,14 @@ fn render_struct_fields(
w.write_str("{");
}
let count_fields =
fields.iter().filter(|f| matches!(*f.kind, clean::StructFieldItem(..))).count();
fields.iter().filter(|f| matches!(f.kind, clean::StructFieldItem(..))).count();
let has_visible_fields = count_fields > 0;
let toggle = should_hide_fields(count_fields);
if toggle {
toggle_open(&mut w, format_args!("{count_fields} fields"));
}
for field in fields {
if let clean::StructFieldItem(ref ty) = *field.kind {
if let clean::StructFieldItem(ref ty) = field.kind {
write!(
w,
"\n{tab} {vis}{name}: {ty},",
@ -2314,7 +2314,7 @@ fn render_struct_fields(
w.write_str("(");
if !fields.is_empty()
&& fields.iter().all(|field| {
matches!(*field.kind, clean::StrippedItem(box clean::StructFieldItem(..)))
matches!(field.kind, clean::StrippedItem(box clean::StructFieldItem(..)))
})
{
write!(w, "<span class=\"comment\">/* private fields */</span>");
@ -2323,7 +2323,7 @@ fn render_struct_fields(
if i > 0 {
w.write_str(", ");
}
match *field.kind {
match field.kind {
clean::StrippedItem(box clean::StructFieldItem(..)) => write!(w, "_"),
clean::StructFieldItem(ref ty) => {
write!(w, "{}{}", visibility_print_with_space(field, cx), ty.print(cx),)

4
src/librustdoc/html/render/search_index.rs
View File

@ -758,7 +758,7 @@ pub(crate) fn get_function_type_for_search<'tcx>(
None
}
});
let (mut inputs, mut output, where_clause) = match *item.kind {
let (mut inputs, mut output, where_clause) = match item.kind {
clean::FunctionItem(ref f) | clean::MethodItem(ref f, _) | clean::TyMethodItem(ref f) => {
get_fn_inputs_and_outputs(f, tcx, impl_or_trait_generics, cache)
}
@ -1132,7 +1132,7 @@ fn simplify_fn_type<'tcx, 'a>(
&& trait_.items.iter().any(|at| at.is_ty_associated_type())
{
for assoc_ty in &trait_.items {
if let clean::ItemKind::TyAssocTypeItem(_generics, bounds) = &*assoc_ty.kind
if let clean::ItemKind::TyAssocTypeItem(_generics, bounds) = &assoc_ty.kind
&& let Some(name) = assoc_ty.name
{
let idx = -isize::try_from(rgen.len() + 1).unwrap();

10
src/librustdoc/html/render/sidebar.rs
View File

@ -119,7 +119,7 @@ pub(crate) mod filters {
pub(super) fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) {
let mut ids = IdMap::new();
let mut blocks: Vec<LinkBlock<'_>> = docblock_toc(cx, it, &mut ids).into_iter().collect();
match *it.kind {
match it.kind {
clean::StructItem(ref s) => sidebar_struct(cx, it, s, &mut blocks),
clean::TraitItem(ref t) => sidebar_trait(cx, it, t, &mut blocks),
clean::PrimitiveItem(_) => sidebar_primitive(cx, it, &mut blocks),
@ -143,7 +143,7 @@ pub(super) fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buf
// crate title is displayed as part of logo lockup
let (title_prefix, title) = if !blocks.is_empty() && !it.is_crate() {
(
match *it.kind {
match it.kind {
clean::ModuleItem(..) => "Module ",
_ => "",
},
@ -181,7 +181,7 @@ pub(super) fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buf
fn get_struct_fields_name<'a>(fields: &'a [clean::Item]) -> Vec<Link<'a>> {
let mut fields = fields
.iter()
.filter(|f| matches!(*f.kind, clean::StructFieldItem(..)))
.filter(|f| matches!(f.kind, clean::StructFieldItem(..)))
.filter_map(|f| {
f.name.as_ref().map(|name| Link::new(format!("structfield.{name}"), name.as_str()))
})
@ -467,7 +467,7 @@ fn sidebar_deref_methods<'a>(
debug!("found Deref: {impl_:?}");
if let Some((target, real_target)) =
impl_.inner_impl().items.iter().find_map(|item| match *item.kind {
impl_.inner_impl().items.iter().find_map(|item| match item.kind {
clean::AssocTypeItem(box ref t, _) => Some(match *t {
clean::TypeAlias { item_type: Some(ref type_), .. } => (type_, &t.type_),
_ => (&t.type_, &t.type_),
@ -587,7 +587,7 @@ fn sidebar_module(
&& it
.name
.or_else(|| {
if let clean::ImportItem(ref i) = *it.kind
if let clean::ImportItem(ref i) = it.kind
&& let clean::ImportKind::Simple(s) = i.kind
{
Some(s)

2
src/librustdoc/html/render/write_shared.rs
View File

@ -783,7 +783,7 @@ impl<'cx, 'cache> DocVisitor for TypeImplCollector<'cx, 'cache> {
fn visit_item(&mut self, it: &Item) {
self.visit_item_recur(it);
let cache = self.cache;
let ItemKind::TypeAliasItem(ref t) = *it.kind else { return };
let ItemKind::TypeAliasItem(ref t) = it.kind else { return };
let Some(self_did) = it.item_id.as_def_id() else { return };
if !self.visited_aliases.insert(self_did) {
return;

6
src/librustdoc/json/conversions.rs
View File

@ -49,7 +49,7 @@ impl JsonRenderer<'_> {
let visibility = item.visibility(self.tcx);
let clean::Item { name, item_id, .. } = item;
let id = id_from_item(&item, self.tcx);
let inner = match *item.kind {
let inner = match item.kind {
clean::KeywordItem => return None,
clean::StrippedItem(ref inner) => {
match &**inner {
@ -294,7 +294,7 @@ pub(crate) fn id_from_item_inner(
}
pub(crate) fn id_from_item(item: &clean::Item, tcx: TyCtxt<'_>) -> Id {
match *item.kind {
match item.kind {
clean::ItemKind::ImportItem(ref import) => {
let extra =
import.source.did.map(ItemId::from).map(|i| id_from_item_inner(i, tcx, None, None));
@ -310,7 +310,7 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum {
let is_crate = item.is_crate();
let header = item.fn_header(tcx);
match *item.kind {
match item.inner.kind {
ModuleItem(m) => {
ItemEnum::Module(Module { is_crate, items: ids(m.items, tcx), is_stripped: false })
}

2
src/librustdoc/json/import_finder.rs
View File

@ -24,7 +24,7 @@ struct ImportFinder {
impl DocFolder for ImportFinder {
fn fold_item(&mut self, i: Item) -> Option<Item> {
match *i.kind {
match i.kind {
clean::ImportItem(Import { source: ImportSource { did: Some(did), .. }, .. }) => {
self.imported.insert(did);
Some(i)

4
src/librustdoc/json/mod.rs
View File

@ -85,7 +85,7 @@ impl<'tcx> JsonRenderer<'tcx> {
// document primitive items in an arbitrary crate by using
// `rustc_doc_primitive`.
let mut is_primitive_impl = false;
if let clean::types::ItemKind::ImplItem(ref impl_) = *item.kind
if let clean::types::ItemKind::ImplItem(ref impl_) = item.kind
&& impl_.trait_.is_none()
&& let clean::types::Type::Primitive(_) = impl_.for_
{
@ -164,7 +164,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
// Flatten items that recursively store other items. We include orphaned items from
// stripped modules and etc that are otherwise reachable.
if let ItemKind::StrippedItem(inner) = &*item.kind {
if let ItemKind::StrippedItem(inner) = &item.kind {
inner.inner_items().for_each(|i| self.item(i.clone()).unwrap());
}

2
src/librustdoc/passes/calculate_doc_coverage.rs
View File

@ -195,7 +195,7 @@ impl<'a, 'b> DocVisitor for CoverageCalculator<'a, 'b> {
return;
}
match *i.kind {
match i.kind {
clean::StrippedItem(..) => {
// don't count items in stripped modules
return;

2
src/librustdoc/passes/check_doc_test_visibility.rs
View File

@ -57,7 +57,7 @@ impl crate::doctest::DocTestVisitor for Tests {
pub(crate) fn should_have_doc_example(cx: &DocContext<'_>, item: &clean::Item) -> bool {
if !cx.cache.effective_visibilities.is_directly_public(cx.tcx, item.item_id.expect_def_id())
|| matches!(
*item.kind,
item.kind,
clean::StructFieldItem(_)
| clean::VariantItem(_)
| clean::AssocConstItem(..)

10
src/librustdoc/passes/collect_trait_impls.rs
View File

@ -160,13 +160,13 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) ->
// scan through included items ahead of time to splice in Deref targets to the "valid" sets
for it in new_items_external.iter().chain(new_items_local.iter()) {
if let ImplItem(box Impl { ref for_, ref trait_, ref items, .. }) = *it.kind
if let ImplItem(box Impl { ref for_, ref trait_, ref items, .. }) = it.kind
&& trait_.as_ref().map(|t| t.def_id()) == tcx.lang_items().deref_trait()
&& cleaner.keep_impl(for_, true)
{
let target = items
.iter()
.find_map(|item| match *item.kind {
.find_map(|item| match item.kind {
AssocTypeItem(ref t, _) => Some(&t.type_),
_ => None,
})
@ -200,7 +200,7 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) ->
// Filter out external items that are not needed
new_items_external.retain(|it| {
if let ImplItem(box Impl { ref for_, ref trait_, ref kind, .. }) = *it.kind {
if let ImplItem(box Impl { ref for_, ref trait_, ref kind, .. }) = it.kind {
cleaner.keep_impl(
for_,
trait_.as_ref().map(|t| t.def_id()) == tcx.lang_items().deref_trait(),
@ -211,7 +211,7 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) ->
}
});
if let ModuleItem(Module { items, .. }) = &mut *krate.module.kind {
if let ModuleItem(Module { items, .. }) = &mut krate.module.inner.kind {
items.extend(synth_impls);
items.extend(new_items_external);
items.extend(new_items_local);
@ -258,7 +258,7 @@ impl<'cache> DocVisitor for ItemAndAliasCollector<'cache> {
fn visit_item(&mut self, i: &Item) {
self.items.insert(i.item_id);
if let TypeAliasItem(alias) = &*i.kind
if let TypeAliasItem(alias) = &i.inner.kind
&& let Some(did) = alias.type_.def_id(self.cache)
{
self.items.insert(ItemId::DefId(did));

2
src/librustdoc/passes/propagate_doc_cfg.rs
View File

@ -31,7 +31,7 @@ impl<'a, 'tcx> CfgPropagator<'a, 'tcx> {
// Some items need to merge their attributes with their parents' otherwise a few of them
// (mostly `cfg` ones) will be missing.
fn merge_with_parent_attributes(&mut self, item: &mut Item) {
let check_parent = match &*item.kind {
let check_parent = match &item.kind {
// impl blocks can be in different modules with different cfg and we need to get them
// as well.
ItemKind::ImplItem(_) => false,

2
src/librustdoc/passes/strip_aliased_non_local.rs
View File

@ -23,7 +23,7 @@ struct AliasedNonLocalStripper<'tcx> {
impl<'tcx> DocFolder for AliasedNonLocalStripper<'tcx> {
fn fold_item(&mut self, i: Item) -> Option<Item> {
Some(match *i.kind {
Some(match i.kind {
clean::TypeAliasItem(..) => {
let mut stripper = NonLocalStripper { tcx: self.tcx };
// don't call `fold_item` as that could strip the type-alias it-self

4
src/librustdoc/passes/strip_hidden.rs
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@ -89,7 +89,7 @@ impl<'a, 'tcx> Stripper<'a, 'tcx> {
impl<'a, 'tcx> DocFolder for Stripper<'a, 'tcx> {
fn fold_item(&mut self, i: Item) -> Option<Item> {
let has_doc_hidden = i.is_doc_hidden();
let is_impl_or_exported_macro = match *i.kind {
let is_impl_or_exported_macro = match i.kind {
clean::ImplItem(..) => true,
// If the macro has the `#[macro_export]` attribute, it means it's accessible at the
// crate level so it should be handled differently.
@ -138,7 +138,7 @@ impl<'a, 'tcx> DocFolder for Stripper<'a, 'tcx> {
// module it's defined in. Both of these are marked "stripped," and
// not included in the final docs, but since they still have an effect
// on the final doc, cannot be completely removed from the Clean IR.
match *i.kind {
match i.kind {
clean::StructFieldItem(..) | clean::ModuleItem(..) | clean::VariantItem(..) => {
// We need to recurse into stripped modules to
// strip things like impl methods but when doing so

8
src/librustdoc/passes/stripper.rs
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@ -39,7 +39,7 @@ fn is_item_reachable(
impl<'a, 'tcx> DocFolder for Stripper<'a, 'tcx> {
fn fold_item(&mut self, i: Item) -> Option<Item> {
match *i.kind {
match i.kind {
clean::StrippedItem(..) => {
// We need to recurse into stripped modules to strip things
// like impl methods but when doing so we must not add any
@ -130,7 +130,7 @@ impl<'a, 'tcx> DocFolder for Stripper<'a, 'tcx> {
clean::KeywordItem => {}
}
let fastreturn = match *i.kind {
let fastreturn = match i.kind {
// nothing left to do for traits (don't want to filter their
// methods out, visibility controlled by the trait)
clean::TraitItem(..) => true,
@ -195,7 +195,7 @@ impl<'a> ImplStripper<'a, '_> {
impl<'a> DocFolder for ImplStripper<'a, '_> {
fn fold_item(&mut self, i: Item) -> Option<Item> {
if let clean::ImplItem(ref imp) = *i.kind {
if let clean::ImplItem(ref imp) = i.kind {
// Impl blocks can be skipped if they are: empty; not a trait impl; and have no
// documentation.
//
@ -272,7 +272,7 @@ impl<'tcx> ImportStripper<'tcx> {
impl<'tcx> DocFolder for ImportStripper<'tcx> {
fn fold_item(&mut self, i: Item) -> Option<Item> {
match *i.kind {
match &i.kind {
clean::ImportItem(imp)
if !self.document_hidden && self.import_should_be_hidden(&i, &imp) =>
{

4
src/librustdoc/visit.rs
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@ -48,8 +48,8 @@ pub(crate) trait DocVisitor: Sized {
/// don't override!
fn visit_item_recur(&mut self, item: &Item) {
match &*item.kind {
StrippedItem(i) => self.visit_inner_recur(i),
match &item.kind {
StrippedItem(i) => self.visit_inner_recur(&*i),
_ => self.visit_inner_recur(&item.kind),
}
}