Auto merge of #16179 - nicolas-guichard:scip/new_fields, r=Veykril

SCIP: populate new SymbolInformation fields

Fixes #15919
This commit is contained in:
bors 2024-01-03 12:56:47 +00:00
commit 078183231b
6 changed files with 501 additions and 321 deletions

View file

@ -1,15 +1,12 @@
//! Logic for rendering the different hover messages
use std::fmt::Display;
use either::Either;
use hir::{
Adt, AsAssocItem, AttributeTemplate, CaptureKind, HasSource, HirDisplay, Layout, LayoutError,
Semantics, TypeInfo,
Adt, AsAssocItem, CaptureKind, HasSource, HirDisplay, Layout, LayoutError, Semantics, TypeInfo,
};
use ide_db::{
base_db::SourceDatabase,
defs::Definition,
documentation::{Documentation, HasDocs},
documentation::HasDocs,
famous_defs::FamousDefs,
generated::lints::{CLIPPY_LINTS, DEFAULT_LINTS, FEATURES},
syntax_helpers::insert_whitespace_into_node,
@ -20,9 +17,7 @@ use stdx::format_to;
use syntax::{
algo,
ast::{self, RecordPat},
match_ast, AstNode, Direction,
SyntaxKind::{LET_EXPR, LET_STMT},
SyntaxToken, T,
match_ast, AstNode, Direction, SyntaxToken, T,
};
use crate::{
@ -393,48 +388,23 @@ pub(super) fn definition(
config: &HoverConfig,
) -> Option<Markup> {
let mod_path = definition_mod_path(db, &def);
let (label, docs) = match def {
Definition::Macro(it) => label_and_docs(db, it),
Definition::Field(it) => label_and_layout_info_and_docs(
db,
it,
config,
|&it| it.layout(db),
|_| {
let var_def = it.parent_def(db);
match var_def {
hir::VariantDef::Struct(s) => {
Adt::from(s).layout(db).ok().and_then(|layout| layout.field_offset(it))
let label = def.label(db)?;
let docs = def.docs(db, famous_defs);
let value = match def {
Definition::Variant(it) => {
if !it.parent_enum(db).is_data_carrying(db) {
match it.eval(db) {
Ok(it) => {
Some(if it >= 10 { format!("{it} ({it:#X})") } else { format!("{it}") })
}
_ => None,
Err(_) => it.value(db).map(|it| format!("{it:?}")),
}
},
),
Definition::Module(it) => label_and_docs(db, it),
Definition::Function(it) => label_and_docs(db, it),
Definition::Adt(it) => {
label_and_layout_info_and_docs(db, it, config, |&it| it.layout(db), |_| None)
} else {
None
}
}
Definition::Variant(it) => label_value_and_layout_info_and_docs(
db,
it,
config,
|&it| {
if !it.parent_enum(db).is_data_carrying(db) {
match it.eval(db) {
Ok(it) => {
Some(if it >= 10 { format!("{it} ({it:#X})") } else { format!("{it}") })
}
Err(_) => it.value(db).map(|it| format!("{it:?}")),
}
} else {
None
}
},
|it| it.layout(db),
|layout| layout.enum_tag_size(),
),
Definition::Const(it) => label_value_and_docs(db, it, |it| {
Definition::Const(it) => {
let body = it.render_eval(db);
match body {
Ok(it) => Some(it),
@ -447,53 +417,59 @@ pub(super) fn definition(
Some(body.to_string())
}
}
}),
Definition::Static(it) => label_value_and_docs(db, it, |it| {
}
Definition::Static(it) => {
let source = it.source(db)?;
let mut body = source.value.body()?.syntax().clone();
if source.file_id.is_macro() {
body = insert_whitespace_into_node::insert_ws_into(body);
}
Some(body.to_string())
}),
Definition::Trait(it) => label_and_docs(db, it),
Definition::TraitAlias(it) => label_and_docs(db, it),
Definition::TypeAlias(it) => {
label_and_layout_info_and_docs(db, it, config, |&it| it.ty(db).layout(db), |_| None)
}
Definition::BuiltinType(it) => {
return famous_defs
.and_then(|fd| builtin(fd, it))
.or_else(|| Some(Markup::fenced_block(&it.name().display(db))))
}
Definition::Local(it) => return local(db, it, config),
Definition::SelfType(impl_def) => {
impl_def.self_ty(db).as_adt().map(|adt| label_and_docs(db, adt))?
}
Definition::GenericParam(it) => (it.display(db).to_string(), None),
Definition::Label(it) => return Some(Markup::fenced_block(&it.name(db).display(db))),
Definition::ExternCrateDecl(it) => label_and_docs(db, it),
// FIXME: We should be able to show more info about these
Definition::BuiltinAttr(it) => return render_builtin_attr(db, it),
Definition::ToolModule(it) => return Some(Markup::fenced_block(&it.name(db))),
Definition::DeriveHelper(it) => {
(format!("derive_helper {}", it.name(db).display(db)), None)
}
_ => None,
};
let docs = docs
.filter(|_| config.documentation)
.or_else(|| {
// docs are missing, for assoc items of trait impls try to fall back to the docs of the
// original item of the trait
let assoc = def.as_assoc_item(db)?;
let trait_ = assoc.containing_trait_impl(db)?;
let name = Some(assoc.name(db)?);
let item = trait_.items(db).into_iter().find(|it| it.name(db) == name)?;
item.docs(db)
})
.map(Into::into);
markup(docs, label, mod_path)
let layout_info = match def {
Definition::Field(it) => render_memory_layout(
config.memory_layout,
|| it.layout(db),
|_| {
let var_def = it.parent_def(db);
match var_def {
hir::VariantDef::Struct(s) => {
Adt::from(s).layout(db).ok().and_then(|layout| layout.field_offset(it))
}
_ => None,
}
},
|_| None,
),
Definition::Adt(it) => {
render_memory_layout(config.memory_layout, || it.layout(db), |_| None, |_| None)
}
Definition::Variant(it) => render_memory_layout(
config.memory_layout,
|| it.layout(db),
|_| None,
|layout| layout.enum_tag_size(),
),
Definition::TypeAlias(it) => {
render_memory_layout(config.memory_layout, || it.ty(db).layout(db), |_| None, |_| None)
}
Definition::Local(it) => {
render_memory_layout(config.memory_layout, || it.ty(db).layout(db), |_| None, |_| None)
}
_ => None,
};
let label = match (value, layout_info) {
(Some(value), Some(layout_info)) => format!("{label} = {value}{layout_info}"),
(Some(value), None) => format!("{label} = {value}"),
(None, Some(layout_info)) => format!("{label}{layout_info}"),
(None, None) => label,
};
markup(docs.map(Into::into), label, mod_path)
}
fn type_info(
@ -595,114 +571,16 @@ fn closure_ty(
Some(res)
}
fn render_builtin_attr(db: &RootDatabase, attr: hir::BuiltinAttr) -> Option<Markup> {
let name = attr.name(db);
let desc = format!("#[{name}]");
let AttributeTemplate { word, list, name_value_str } = match attr.template(db) {
Some(template) => template,
None => return Some(Markup::fenced_block(&attr.name(db))),
};
let mut docs = "Valid forms are:".to_owned();
if word {
format_to!(docs, "\n - #\\[{}]", name);
}
if let Some(list) = list {
format_to!(docs, "\n - #\\[{}({})]", name, list);
}
if let Some(name_value_str) = name_value_str {
format_to!(docs, "\n - #\\[{} = {}]", name, name_value_str);
}
markup(Some(docs.replace('*', "\\*")), desc, None)
}
fn label_and_docs<D>(db: &RootDatabase, def: D) -> (String, Option<Documentation>)
where
D: HasDocs + HirDisplay,
{
let label = def.display(db).to_string();
let docs = def.docs(db);
(label, docs)
}
fn label_and_layout_info_and_docs<D, E, E2>(
db: &RootDatabase,
def: D,
config: &HoverConfig,
layout_extractor: E,
layout_offset_extractor: E2,
) -> (String, Option<Documentation>)
where
D: HasDocs + HirDisplay,
E: Fn(&D) -> Result<Layout, LayoutError>,
E2: Fn(&Layout) -> Option<u64>,
{
let mut label = def.display(db).to_string();
if let Some(layout) = render_memory_layout(
config.memory_layout,
|| layout_extractor(&def),
layout_offset_extractor,
|_| None,
) {
format_to!(label, "{layout}");
}
let docs = def.docs(db);
(label, docs)
}
fn label_value_and_layout_info_and_docs<D, E, E2, E3, V>(
db: &RootDatabase,
def: D,
config: &HoverConfig,
value_extractor: E,
layout_extractor: E2,
layout_tag_extractor: E3,
) -> (String, Option<Documentation>)
where
D: HasDocs + HirDisplay,
E: Fn(&D) -> Option<V>,
E2: Fn(&D) -> Result<Layout, LayoutError>,
E3: Fn(&Layout) -> Option<usize>,
V: Display,
{
let value = value_extractor(&def);
let mut label = match value {
Some(value) => format!("{} = {value}", def.display(db)),
None => def.display(db).to_string(),
};
if let Some(layout) = render_memory_layout(
config.memory_layout,
|| layout_extractor(&def),
|_| None,
layout_tag_extractor,
) {
format_to!(label, "{layout}");
}
let docs = def.docs(db);
(label, docs)
}
fn label_value_and_docs<D, E, V>(
db: &RootDatabase,
def: D,
value_extractor: E,
) -> (String, Option<Documentation>)
where
D: HasDocs + HirDisplay,
E: Fn(&D) -> Option<V>,
V: Display,
{
let label = if let Some(value) = value_extractor(&def) {
format!("{} = {value}", def.display(db))
} else {
def.display(db).to_string()
};
let docs = def.docs(db);
(label, docs)
}
fn definition_mod_path(db: &RootDatabase, def: &Definition) -> Option<String> {
if let Definition::GenericParam(_) = def {
if matches!(
def,
Definition::GenericParam(_)
| Definition::BuiltinType(_)
| Definition::Local(_)
| Definition::Label(_)
| Definition::BuiltinAttr(_)
| Definition::ToolModule(_)
) {
return None;
}
def.module(db).map(|module| path(db, module, definition_owner_name(db, def)))
@ -724,14 +602,6 @@ fn markup(docs: Option<String>, desc: String, mod_path: Option<String>) -> Optio
Some(buf.into())
}
fn builtin(famous_defs: &FamousDefs<'_, '_>, builtin: hir::BuiltinType) -> Option<Markup> {
// std exposes prim_{} modules with docstrings on the root to document the builtins
let primitive_mod = format!("prim_{}", builtin.name().display(famous_defs.0.db));
let doc_owner = find_std_module(famous_defs, &primitive_mod)?;
let docs = doc_owner.docs(famous_defs.0.db)?;
markup(Some(docs.into()), builtin.name().display(famous_defs.0.db).to_string(), None)
}
fn find_std_module(famous_defs: &FamousDefs<'_, '_>, name: &str) -> Option<hir::Module> {
let db = famous_defs.0.db;
let std_crate = famous_defs.std()?;
@ -741,34 +611,6 @@ fn find_std_module(famous_defs: &FamousDefs<'_, '_>, name: &str) -> Option<hir::
})
}
fn local(db: &RootDatabase, it: hir::Local, config: &HoverConfig) -> Option<Markup> {
let ty = it.ty(db);
let ty = ty.display_truncated(db, None);
let is_mut = if it.is_mut(db) { "mut " } else { "" };
let mut desc = match it.primary_source(db).into_ident_pat() {
Some(ident) => {
let name = it.name(db);
let let_kw = if ident
.syntax()
.parent()
.map_or(false, |p| p.kind() == LET_STMT || p.kind() == LET_EXPR)
{
"let "
} else {
""
};
format!("{let_kw}{is_mut}{}: {ty}", name.display(db))
}
None => format!("{is_mut}self: {ty}"),
};
if let Some(layout) =
render_memory_layout(config.memory_layout, || it.ty(db).layout(db), |_| None, |_| None)
{
format_to!(desc, "{layout}");
}
markup(None, desc, None)
}
fn render_memory_layout(
config: Option<MemoryLayoutHoverConfig>,
layout: impl FnOnce() -> Result<Layout, LayoutError>,

View file

@ -99,7 +99,10 @@ pub use crate::{
},
join_lines::JoinLinesConfig,
markup::Markup,
moniker::{MonikerDescriptorKind, MonikerKind, MonikerResult, PackageInformation},
moniker::{
MonikerDescriptorKind, MonikerKind, MonikerResult, PackageInformation,
SymbolInformationKind,
},
move_item::Direction,
navigation_target::{NavigationTarget, UpmappingResult},
prime_caches::ParallelPrimeCachesProgress,

View file

@ -1,7 +1,7 @@
//! This module generates [moniker](https://microsoft.github.io/language-server-protocol/specifications/lsif/0.6.0/specification/#exportsImports)
//! for LSIF and LSP.
use hir::{AsAssocItem, AssocItemContainer, Crate, DescendPreference, Semantics};
use hir::{Adt, AsAssocItem, AssocItemContainer, Crate, DescendPreference, MacroKind, Semantics};
use ide_db::{
base_db::{CrateOrigin, FilePosition, LangCrateOrigin},
defs::{Definition, IdentClass},
@ -25,6 +25,62 @@ pub enum MonikerDescriptorKind {
Meta,
}
// Subset of scip_types::SymbolInformation::Kind
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum SymbolInformationKind {
AssociatedType,
Attribute,
Constant,
Enum,
EnumMember,
Field,
Function,
Macro,
Method,
Module,
Parameter,
SelfParameter,
StaticMethod,
StaticVariable,
Struct,
Trait,
TraitMethod,
Type,
TypeAlias,
TypeParameter,
Union,
Variable,
}
impl From<SymbolInformationKind> for MonikerDescriptorKind {
fn from(value: SymbolInformationKind) -> Self {
match value {
SymbolInformationKind::AssociatedType => Self::TypeParameter,
SymbolInformationKind::Attribute => Self::Macro,
SymbolInformationKind::Constant => Self::Term,
SymbolInformationKind::Enum => Self::Type,
SymbolInformationKind::EnumMember => Self::Type,
SymbolInformationKind::Field => Self::Term,
SymbolInformationKind::Function => Self::Method,
SymbolInformationKind::Macro => Self::Macro,
SymbolInformationKind::Method => Self::Method,
SymbolInformationKind::Module => Self::Namespace,
SymbolInformationKind::Parameter => Self::Parameter,
SymbolInformationKind::SelfParameter => Self::Parameter,
SymbolInformationKind::StaticMethod => Self::Method,
SymbolInformationKind::StaticVariable => Self::Meta,
SymbolInformationKind::Struct => Self::Type,
SymbolInformationKind::Trait => Self::Type,
SymbolInformationKind::TraitMethod => Self::Method,
SymbolInformationKind::Type => Self::Type,
SymbolInformationKind::TypeAlias => Self::Type,
SymbolInformationKind::TypeParameter => Self::TypeParameter,
SymbolInformationKind::Union => Self::Type,
SymbolInformationKind::Variable => Self::Term,
}
}
}
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct MonikerDescriptor {
pub name: String,
@ -112,6 +168,69 @@ pub(crate) fn moniker(
Some(RangeInfo::new(original_token.text_range(), navs))
}
pub(crate) fn def_to_kind(db: &RootDatabase, def: Definition) -> SymbolInformationKind {
use SymbolInformationKind::*;
match def {
Definition::Macro(it) => match it.kind(db) {
MacroKind::Declarative => Macro,
MacroKind::Derive => Attribute,
MacroKind::BuiltIn => Macro,
MacroKind::Attr => Attribute,
MacroKind::ProcMacro => Macro,
},
Definition::Field(..) => Field,
Definition::Module(..) => Module,
Definition::Function(it) => {
if it.as_assoc_item(db).is_some() {
if it.has_self_param(db) {
if it.has_body(db) {
Method
} else {
TraitMethod
}
} else {
StaticMethod
}
} else {
Function
}
}
Definition::Adt(Adt::Struct(..)) => Struct,
Definition::Adt(Adt::Union(..)) => Union,
Definition::Adt(Adt::Enum(..)) => Enum,
Definition::Variant(..) => EnumMember,
Definition::Const(..) => Constant,
Definition::Static(..) => StaticVariable,
Definition::Trait(..) => Trait,
Definition::TraitAlias(..) => Trait,
Definition::TypeAlias(it) => {
if it.as_assoc_item(db).is_some() {
AssociatedType
} else {
TypeAlias
}
}
Definition::BuiltinType(..) => Type,
Definition::SelfType(..) => TypeAlias,
Definition::GenericParam(..) => TypeParameter,
Definition::Local(it) => {
if it.is_self(db) {
SelfParameter
} else if it.is_param(db) {
Parameter
} else {
Variable
}
}
Definition::Label(..) => Variable, // For lack of a better variant
Definition::DeriveHelper(..) => Attribute,
Definition::BuiltinAttr(..) => Attribute,
Definition::ToolModule(..) => Module,
Definition::ExternCrateDecl(..) => Module,
}
}
pub(crate) fn def_to_moniker(
db: &RootDatabase,
def: Definition,
@ -134,7 +253,7 @@ pub(crate) fn def_to_moniker(
description.extend(module.path_to_root(db).into_iter().filter_map(|x| {
Some(MonikerDescriptor {
name: x.name(db)?.display(db).to_string(),
desc: MonikerDescriptorKind::Namespace,
desc: def_to_kind(db, x.into()).into(),
})
}));
@ -147,7 +266,7 @@ pub(crate) fn def_to_moniker(
// we have to include the trait name as part of the moniker for uniqueness.
description.push(MonikerDescriptor {
name: trait_.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
desc: def_to_kind(db, trait_.into()).into(),
});
}
AssocItemContainer::Impl(impl_) => {
@ -156,14 +275,14 @@ pub(crate) fn def_to_moniker(
if let Some(adt) = impl_.self_ty(db).as_adt() {
description.push(MonikerDescriptor {
name: adt.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
desc: def_to_kind(db, adt.into()).into(),
});
}
if let Some(trait_) = impl_.trait_(db) {
description.push(MonikerDescriptor {
name: trait_.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
desc: def_to_kind(db, trait_.into()).into(),
});
}
}
@ -173,21 +292,26 @@ pub(crate) fn def_to_moniker(
if let Definition::Field(it) = def {
description.push(MonikerDescriptor {
name: it.parent_def(db).name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
desc: def_to_kind(db, it.parent_def(db).into()).into(),
});
}
// Qualify locals/parameters by their parent definition name.
if let Definition::Local(it) = def {
let parent_name = it.parent(db).name(db);
if let Some(name) = parent_name {
description.push(MonikerDescriptor {
name: name.display(db).to_string(),
desc: MonikerDescriptorKind::Method,
});
let parent = Definition::try_from(it.parent(db)).ok();
if let Some(parent) = parent {
let parent_name = parent.name(db);
if let Some(name) = parent_name {
description.push(MonikerDescriptor {
name: name.display(db).to_string(),
desc: def_to_kind(db, parent).into(),
});
}
}
}
let desc = def_to_kind(db, def).into();
let name_desc = match def {
// These are handled by top-level guard (for performance).
Definition::GenericParam(_)
@ -201,67 +325,51 @@ pub(crate) fn def_to_moniker(
return None;
}
MonikerDescriptor {
name: local.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Parameter,
}
MonikerDescriptor { name: local.name(db).display(db).to_string(), desc }
}
Definition::Macro(m) => {
MonikerDescriptor { name: m.name(db).display(db).to_string(), desc }
}
Definition::Function(f) => {
MonikerDescriptor { name: f.name(db).display(db).to_string(), desc }
}
Definition::Variant(v) => {
MonikerDescriptor { name: v.name(db).display(db).to_string(), desc }
}
Definition::Const(c) => {
MonikerDescriptor { name: c.name(db)?.display(db).to_string(), desc }
}
Definition::Trait(trait_) => {
MonikerDescriptor { name: trait_.name(db).display(db).to_string(), desc }
}
Definition::TraitAlias(ta) => {
MonikerDescriptor { name: ta.name(db).display(db).to_string(), desc }
}
Definition::TypeAlias(ta) => {
MonikerDescriptor { name: ta.name(db).display(db).to_string(), desc }
}
Definition::Module(m) => {
MonikerDescriptor { name: m.name(db)?.display(db).to_string(), desc }
}
Definition::BuiltinType(b) => {
MonikerDescriptor { name: b.name().display(db).to_string(), desc }
}
Definition::Macro(m) => MonikerDescriptor {
name: m.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Macro,
},
Definition::Function(f) => MonikerDescriptor {
name: f.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Method,
},
Definition::Variant(v) => MonikerDescriptor {
name: v.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
},
Definition::Const(c) => MonikerDescriptor {
name: c.name(db)?.display(db).to_string(),
desc: MonikerDescriptorKind::Term,
},
Definition::Trait(trait_) => MonikerDescriptor {
name: trait_.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
},
Definition::TraitAlias(ta) => MonikerDescriptor {
name: ta.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
},
Definition::TypeAlias(ta) => MonikerDescriptor {
name: ta.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::TypeParameter,
},
Definition::Module(m) => MonikerDescriptor {
name: m.name(db)?.display(db).to_string(),
desc: MonikerDescriptorKind::Namespace,
},
Definition::BuiltinType(b) => MonikerDescriptor {
name: b.name().display(db).to_string(),
desc: MonikerDescriptorKind::Type,
},
Definition::SelfType(imp) => MonikerDescriptor {
name: imp.self_ty(db).as_adt()?.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
},
Definition::Field(it) => MonikerDescriptor {
name: it.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Term,
},
Definition::Adt(adt) => MonikerDescriptor {
name: adt.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Type,
},
Definition::Static(s) => MonikerDescriptor {
name: s.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Meta,
},
Definition::ExternCrateDecl(m) => MonikerDescriptor {
name: m.name(db).display(db).to_string(),
desc: MonikerDescriptorKind::Namespace,
desc,
},
Definition::Field(it) => {
MonikerDescriptor { name: it.name(db).display(db).to_string(), desc }
}
Definition::Adt(adt) => {
MonikerDescriptor { name: adt.name(db).display(db).to_string(), desc }
}
Definition::Static(s) => {
MonikerDescriptor { name: s.name(db).display(db).to_string(), desc }
}
Definition::ExternCrateDecl(m) => {
MonikerDescriptor { name: m.name(db).display(db).to_string(), desc }
}
};
description.push(name_desc);

View file

@ -17,7 +17,7 @@ use crate::navigation_target::UpmappingResult;
use crate::{
hover::hover_for_definition,
inlay_hints::AdjustmentHintsMode,
moniker::{def_to_moniker, MonikerResult},
moniker::{def_to_kind, def_to_moniker, MonikerResult, SymbolInformationKind},
parent_module::crates_for,
Analysis, Fold, HoverConfig, HoverResult, InlayHint, InlayHintsConfig, TryToNav,
};
@ -46,6 +46,10 @@ pub struct TokenStaticData {
pub definition: Option<FileRange>,
pub references: Vec<ReferenceData>,
pub moniker: Option<MonikerResult>,
pub display_name: Option<String>,
pub enclosing_moniker: Option<MonikerResult>,
pub signature: Option<String>,
pub kind: SymbolInformationKind,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
@ -172,6 +176,12 @@ impl StaticIndex<'_> {
}),
references: vec![],
moniker: current_crate.and_then(|cc| def_to_moniker(self.db, def, cc)),
display_name: def.name(self.db).map(|name| name.display(self.db).to_string()),
enclosing_moniker: current_crate
.zip(def.enclosing_definition(self.db))
.and_then(|(cc, enclosing_def)| def_to_moniker(self.db, enclosing_def, cc)),
signature: def.label(self.db),
kind: def_to_kind(self.db, def),
});
self.def_map.insert(def, it);
it