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extract function: doc_attributes to find def from inner doc

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Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
This commit is contained in:
Hayashi Mikihiro 2025-05-07 02:56:03 +09:00
parent cc0e3acd91
commit 0235ff883f
1 changed files with 26 additions and 8 deletions
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34
crates/ide/src/doc_links.rs
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@ -12,7 +12,9 @@ use pulldown_cmark_to_cmark::{Options as CMarkOptions, cmark_resume_with_options
use stdx::format_to;
use url::Url;
use hir::{Adt, AsAssocItem, AssocItem, AssocItemContainer, HasAttrs, db::HirDatabase, sym};
use hir::{
Adt, AsAssocItem, AssocItem, AssocItemContainer, AttrsWithOwner, HasAttrs, db::HirDatabase, sym,
};
use ide_db::{
RootDatabase,
base_db::{CrateOrigin, LangCrateOrigin, ReleaseChannel, RootQueryDb},
@ -322,13 +324,7 @@ impl DocCommentToken {
};
let token_start = t.text_range().start();
let abs_in_expansion_offset = token_start + relative_comment_offset + descended_prefix_len;
let (attributes, def) = if is_inner && node.kind() != SOURCE_FILE {
let parent = node.parent()?;
doc_attributes(sema, &parent).unwrap_or(doc_attributes(sema, &parent.parent()?)?)
}else {
doc_attributes(sema, &node)?
};
let (attributes, def) = Self::doc_attributes(sema, &node, is_inner)?;
let (docs, doc_mapping) = docs_with_rangemap(sema.db, &attributes)?;
let (in_expansion_range, link, ns, is_inner) =
extract_definitions_from_docs(&docs).into_iter().find_map(|(range, link, ns)| {
@ -343,6 +339,28 @@ impl DocCommentToken {
cb(def, node, absolute_range)
})
}
/// When we hover a inner doc item, this find a attached definition.
/// ```
/// // node == ITEM_LIST
/// // node.parent == EXPR_BLOCK
/// // node.parent().parent() == FN
/// fn f() {
/// //! [`S$0`]
/// }
/// ```
fn doc_attributes(
sema: &Semantics<'_, RootDatabase>,
node: &SyntaxNode,
is_inner_doc: bool,
) -> Option<(AttrsWithOwner, Definition)> {
if is_inner_doc && node.kind() != SOURCE_FILE {
let parent = node.parent()?;
doc_attributes(sema, &parent).or(doc_attributes(sema, &parent.parent()?))
} else {
doc_attributes(sema, node)
}
}
}
fn broken_link_clone_cb(link: BrokenLink<'_>) -> Option<(CowStr<'_>, CowStr<'_>)> {