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Restructure a confusing match

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This commit is contained in:
Noah Lev 2024-08-02 12:58:59 -07:00
parent 4e2084769b
commit 015aa8d0fb
1 changed files with 62 additions and 62 deletions
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124
src/librustdoc/formats/cache.rs
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@ -442,7 +442,7 @@ fn is_from_private_dep(tcx: TyCtxt<'_>, cache: &Cache, def_id: DefId) -> bool {
}
fn add_item_to_search_index(tcx: TyCtxt<'_>, cache: &mut Cache, item: &clean::Item, name: Symbol) {
let (parent, is_impl_child) = match *item.kind {
let ((parent_did, parent_path), is_impl_child) = match *item.kind {
clean::StrippedItem(..) => return,
clean::AssocConstItem(..) | clean::AssocTypeItem(..)
if cache.parent_stack.last().is_some_and(|parent| parent.is_trait_impl()) =>
@ -496,67 +496,59 @@ fn add_item_to_search_index(tcx: TyCtxt<'_>, cache: &mut Cache, item: &clean::It
_ => ((None, Some(&*cache.stack)), false),
};
match parent {
(parent, Some(path)) if is_impl_child || !cache.stripped_mod => {
debug_assert!(!item.is_stripped());
// A crate has a module at its root, containing all items,
// which should not be indexed. The crate-item itself is
// inserted later on when serializing the search-index.
if item.item_id.as_def_id().is_some_and(|idx| !idx.is_crate_root())
&& let ty = item.type_()
&& (ty != ItemType::StructField || u16::from_str_radix(name.as_str(), 10).is_err())
if let Some(parent_did) = parent_did
&& parent_path.is_none()
&& is_impl_child
{
// We have a parent, but we don't know where they're
// defined yet. Wait for later to index this item.
let impl_generics = clean_impl_generics(cache.parent_stack.last());
cache.orphan_impl_items.push(OrphanImplItem {
parent: parent_did,
item: item.clone(),
impl_generics,
impl_id: if let Some(ParentStackItem::Impl { item_id, .. }) = cache.parent_stack.last()
{
let desc = short_markdown_summary(&item.doc_value(), &item.link_names(cache));
// For searching purposes, a re-export is a duplicate if:
//
// - 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 {
&clean::ItemKind::ImportItem(ref import) => import.source.did,
_ => None,
})
.or_else(|| item.item_id.as_def_id());
// In case this is a field from a tuple struct, we don't add it into
// the search index because its name is something like "0", which is
// not useful for rustdoc search.
cache.search_index.push(IndexItem {
ty,
defid,
name,
path: join_with_double_colon(path),
desc,
parent,
parent_idx: None,
exact_path: None,
impl_id: if let Some(ParentStackItem::Impl { item_id, .. }) =
cache.parent_stack.last()
{
item_id.as_def_id()
} else {
None
},
search_type: get_function_type_for_search(
&item,
tcx,
clean_impl_generics(cache.parent_stack.last()).as_ref(),
parent,
cache,
),
aliases: item.attrs.get_doc_aliases(),
deprecation: item.deprecation(tcx),
});
}
}
(Some(parent), None) if is_impl_child => {
// We have a parent, but we don't know where they're
// defined yet. Wait for later to index this item.
let impl_generics = clean_impl_generics(cache.parent_stack.last());
cache.orphan_impl_items.push(OrphanImplItem {
parent,
item: item.clone(),
impl_generics,
item_id.as_def_id()
} else {
None
},
});
} else if let Some(path) = parent_path
&& (is_impl_child || !cache.stripped_mod)
{
debug_assert!(!item.is_stripped());
// A crate has a module at its root, containing all items,
// which should not be indexed. The crate-item itself is
// inserted later on when serializing the search-index.
if item.item_id.as_def_id().is_some_and(|idx| !idx.is_crate_root())
&& let ty = item.type_()
&& (ty != ItemType::StructField || u16::from_str_radix(name.as_str(), 10).is_err())
{
let desc = short_markdown_summary(&item.doc_value(), &item.link_names(cache));
// For searching purposes, a re-export is a duplicate if:
//
// - 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 {
&clean::ItemKind::ImportItem(ref import) => import.source.did,
_ => None,
})
.or_else(|| item.item_id.as_def_id());
// In case this is a field from a tuple struct, we don't add it into
// the search index because its name is something like "0", which is
// not useful for rustdoc search.
cache.search_index.push(IndexItem {
ty,
defid,
name,
path: join_with_double_colon(path),
desc,
parent: parent_did,
parent_idx: None,
exact_path: None,
impl_id: if let Some(ParentStackItem::Impl { item_id, .. }) =
cache.parent_stack.last()
{
@ -564,9 +556,17 @@ fn add_item_to_search_index(tcx: TyCtxt<'_>, cache: &mut Cache, item: &clean::It
} else {
None
},
search_type: get_function_type_for_search(
&item,
tcx,
clean_impl_generics(cache.parent_stack.last()).as_ref(),
parent_did,
cache,
),
aliases: item.attrs.get_doc_aliases(),
deprecation: item.deprecation(tcx),
});
}
_ => {}
}
}