check module path inner or outer

Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
This commit is contained in:
Hayashi Mikihiro 2025-05-07 00:36:17 +09:00
parent ab4ba5cd29
commit 778322eb31
10 changed files with 256 additions and 130 deletions

View file

@ -6,7 +6,7 @@
// FIXME: this badly needs rename/rewrite (matklad, 2020-02-06).
use crate::RootDatabase;
use crate::documentation::{Documentation, HasDocs};
use crate::documentation::{DocsRangeMap, Documentation, HasDocs};
use crate::famous_defs::FamousDefs;
use arrayvec::ArrayVec;
use either::Either;
@ -21,7 +21,7 @@ use hir::{
use span::Edition;
use stdx::{format_to, impl_from};
use syntax::{
SyntaxKind, SyntaxNode, SyntaxToken,
SyntaxKind, SyntaxNode, SyntaxToken, TextSize,
ast::{self, AstNode},
match_ast,
};
@ -210,29 +210,40 @@ impl Definition {
famous_defs: Option<&FamousDefs<'_, '_>>,
display_target: DisplayTarget,
) -> Option<Documentation> {
self.docs_with_rangemap(db, famous_defs, display_target).map(|(docs, _)| docs)
}
pub fn docs_with_rangemap(
&self,
db: &RootDatabase,
famous_defs: Option<&FamousDefs<'_, '_>>,
display_target: DisplayTarget,
) -> Option<(Documentation, Option<DocsRangeMap>)> {
let docs = match self {
Definition::Macro(it) => it.docs(db),
Definition::Field(it) => it.docs(db),
Definition::Module(it) => it.docs(db),
Definition::Crate(it) => it.docs(db),
Definition::Function(it) => it.docs(db),
Definition::Adt(it) => it.docs(db),
Definition::Variant(it) => it.docs(db),
Definition::Const(it) => it.docs(db),
Definition::Static(it) => it.docs(db),
Definition::Trait(it) => it.docs(db),
Definition::TraitAlias(it) => it.docs(db),
Definition::Macro(it) => it.docs_with_rangemap(db),
Definition::Field(it) => it.docs_with_rangemap(db),
Definition::Module(it) => it.docs_with_rangemap(db),
Definition::Crate(it) => it.docs_with_rangemap(db),
Definition::Function(it) => it.docs_with_rangemap(db),
Definition::Adt(it) => it.docs_with_rangemap(db),
Definition::Variant(it) => it.docs_with_rangemap(db),
Definition::Const(it) => it.docs_with_rangemap(db),
Definition::Static(it) => it.docs_with_rangemap(db),
Definition::Trait(it) => it.docs_with_rangemap(db),
Definition::TraitAlias(it) => it.docs_with_rangemap(db),
Definition::TypeAlias(it) => {
it.docs(db).or_else(|| {
it.docs_with_rangemap(db).or_else(|| {
// docs are missing, try to fall back to the docs of the aliased item.
let adt = it.ty(db).as_adt()?;
let docs = adt.docs(db)?;
let docs = format!(
"*This is the documentation for* `{}`\n\n{}",
adt.display(db, display_target),
docs.as_str()
let (docs, range_map) = adt.docs_with_rangemap(db)?;
let header_docs = format!(
"*This is the documentation for* `{}`\n\n",
adt.display(db, display_target)
);
Some(Documentation::new(docs))
let offset = TextSize::new(header_docs.len() as u32);
let range_map = range_map.shift_docstring_line_range(offset);
let docs = header_docs + docs.as_str();
Some((Documentation::new(docs), range_map))
})
}
Definition::BuiltinType(it) => {
@ -241,17 +252,17 @@ impl Definition {
let primitive_mod =
format!("prim_{}", it.name().display(fd.0.db, display_target.edition));
let doc_owner = find_std_module(fd, &primitive_mod, display_target.edition)?;
doc_owner.docs(fd.0.db)
doc_owner.docs_with_rangemap(fd.0.db)
})
}
Definition::BuiltinLifetime(StaticLifetime) => None,
Definition::Local(_) => None,
Definition::SelfType(impl_def) => {
impl_def.self_ty(db).as_adt().map(|adt| adt.docs(db))?
impl_def.self_ty(db).as_adt().map(|adt| adt.docs_with_rangemap(db))?
}
Definition::GenericParam(_) => None,
Definition::Label(_) => None,
Definition::ExternCrateDecl(it) => it.docs(db),
Definition::ExternCrateDecl(it) => it.docs_with_rangemap(db),
Definition::BuiltinAttr(it) => {
let name = it.name(db);
@ -276,7 +287,8 @@ impl Definition {
name_value_str
);
}
Some(Documentation::new(docs.replace('*', "\\*")))
return Some((Documentation::new(docs.replace('*', "\\*")), None));
}
Definition::ToolModule(_) => None,
Definition::DeriveHelper(_) => None,
@ -291,8 +303,9 @@ impl Definition {
let trait_ = assoc.implemented_trait(db)?;
let name = Some(assoc.name(db)?);
let item = trait_.items(db).into_iter().find(|it| it.name(db) == name)?;
item.docs(db)
item.docs_with_rangemap(db)
})
.map(|(docs, range_map)| (docs, Some(range_map)))
}
pub fn label(&self, db: &RootDatabase, display_target: DisplayTarget) -> String {

View file

@ -34,11 +34,13 @@ impl From<Documentation> for String {
pub trait HasDocs: HasAttrs {
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation>;
fn docs_with_rangemap(self, db: &dyn HirDatabase) -> Option<(Documentation, DocsRangeMap)>;
fn resolve_doc_path(
self,
db: &dyn HirDatabase,
link: &str,
ns: Option<hir::Namespace>,
is_inner_doc: bool,
) -> Option<hir::DocLinkDef>;
}
/// A struct to map text ranges from [`Documentation`] back to TextRanges in the syntax tree.
@ -53,7 +55,7 @@ pub struct DocsRangeMap {
impl DocsRangeMap {
/// Maps a [`TextRange`] relative to the documentation string back to its AST range
pub fn map(&self, range: TextRange) -> Option<InFile<TextRange>> {
pub fn map(&self, range: TextRange) -> Option<(InFile<TextRange>, AttrId)> {
let found = self.mapping.binary_search_by(|(probe, ..)| probe.ordering(range)).ok()?;
let (line_docs_range, idx, original_line_src_range) = self.mapping[found];
if !line_docs_range.contains_range(range) {
@ -71,7 +73,7 @@ impl DocsRangeMap {
text_range.end() + original_line_src_range.start() + relative_range.start(),
string.syntax().text_range().len().min(range.len()),
);
Some(InFile { file_id, value: range })
Some((InFile { file_id, value: range }, idx))
}
Either::Right(comment) => {
let text_range = comment.syntax().text_range();
@ -82,10 +84,22 @@ impl DocsRangeMap {
+ relative_range.start(),
text_range.len().min(range.len()),
);
Some(InFile { file_id, value: range })
Some((InFile { file_id, value: range }, idx))
}
}
}
pub fn shift_docstring_line_range(self, offset: TextSize) -> DocsRangeMap {
let mapping = self
.mapping
.into_iter()
.map(|(buf_offset, id, base_offset)| {
let buf_offset = buf_offset.checked_add(offset).unwrap();
(buf_offset, id, base_offset)
})
.collect_vec();
DocsRangeMap { source_map: self.source_map, mapping }
}
}
pub fn docs_with_rangemap(
@ -161,13 +175,20 @@ macro_rules! impl_has_docs {
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
docs_from_attrs(&self.attrs(db)).map(Documentation)
}
fn docs_with_rangemap(
self,
db: &dyn HirDatabase,
) -> Option<(Documentation, DocsRangeMap)> {
docs_with_rangemap(db, &self.attrs(db))
}
fn resolve_doc_path(
self,
db: &dyn HirDatabase,
link: &str,
ns: Option<hir::Namespace>
ns: Option<hir::Namespace>,
is_inner_doc: bool,
) -> Option<hir::DocLinkDef> {
resolve_doc_path_on(db, self, link, ns)
resolve_doc_path_on(db, self, link, ns, is_inner_doc)
}
}
)*};
@ -184,13 +205,21 @@ macro_rules! impl_has_docs_enum {
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
hir::$enum::$variant(self).docs(db)
}
fn docs_with_rangemap(
self,
db: &dyn HirDatabase,
) -> Option<(Documentation, DocsRangeMap)> {
hir::$enum::$variant(self).docs_with_rangemap(db)
}
fn resolve_doc_path(
self,
db: &dyn HirDatabase,
link: &str,
ns: Option<hir::Namespace>
ns: Option<hir::Namespace>,
is_inner_doc: bool,
) -> Option<hir::DocLinkDef> {
hir::$enum::$variant(self).resolve_doc_path(db, link, ns)
hir::$enum::$variant(self).resolve_doc_path(db, link, ns, is_inner_doc)
}
}
)*};
@ -207,16 +236,25 @@ impl HasDocs for hir::AssocItem {
}
}
fn docs_with_rangemap(self, db: &dyn HirDatabase) -> Option<(Documentation, DocsRangeMap)> {
match self {
hir::AssocItem::Function(it) => it.docs_with_rangemap(db),
hir::AssocItem::Const(it) => it.docs_with_rangemap(db),
hir::AssocItem::TypeAlias(it) => it.docs_with_rangemap(db),
}
}
fn resolve_doc_path(
self,
db: &dyn HirDatabase,
link: &str,
ns: Option<hir::Namespace>,
is_inner_doc: bool,
) -> Option<hir::DocLinkDef> {
match self {
hir::AssocItem::Function(it) => it.resolve_doc_path(db, link, ns),
hir::AssocItem::Const(it) => it.resolve_doc_path(db, link, ns),
hir::AssocItem::TypeAlias(it) => it.resolve_doc_path(db, link, ns),
hir::AssocItem::Function(it) => it.resolve_doc_path(db, link, ns, is_inner_doc),
hir::AssocItem::Const(it) => it.resolve_doc_path(db, link, ns, is_inner_doc),
hir::AssocItem::TypeAlias(it) => it.resolve_doc_path(db, link, ns, is_inner_doc),
}
}
}
@ -238,13 +276,36 @@ impl HasDocs for hir::ExternCrateDecl {
}
.map(Documentation::new)
}
fn docs_with_rangemap(self, db: &dyn HirDatabase) -> Option<(Documentation, DocsRangeMap)> {
let crate_docs = docs_with_rangemap(db, &self.resolved_crate(db)?.root_module().attrs(db));
let decl_docs = docs_with_rangemap(db, &self.attrs(db));
match (decl_docs, crate_docs) {
(None, None) => None,
(Some(decl_docs), None) => Some(decl_docs),
(None, Some(crate_docs)) => Some(crate_docs),
(
Some((Documentation(mut decl_docs), mut decl_range_map)),
Some((Documentation(crate_docs), crate_range_map)),
) => {
decl_docs.push('\n');
decl_docs.push('\n');
let offset = TextSize::new(decl_docs.len() as u32);
decl_docs += &crate_docs;
let crate_range_map = crate_range_map.shift_docstring_line_range(offset);
decl_range_map.mapping.extend(crate_range_map.mapping);
Some((Documentation(decl_docs), decl_range_map))
}
}
}
fn resolve_doc_path(
self,
db: &dyn HirDatabase,
link: &str,
ns: Option<hir::Namespace>,
is_inner_doc: bool,
) -> Option<hir::DocLinkDef> {
resolve_doc_path_on(db, self, link, ns)
resolve_doc_path_on(db, self, link, ns, is_inner_doc)
}
}