pub mod adt;
use base_db::CrateId;
use hir_expand::{
name::Name, AstId, ExpandResult, HirFileId, InFile, MacroCallId, MacroCallKind, MacroDefKind,
};
use intern::{sym, Symbol};
use la_arena::{Idx, RawIdx};
use smallvec::SmallVec;
use syntax::{ast, Parse};
use triomphe::Arc;
use crate::{
db::DefDatabase,
expander::{Expander, Mark},
item_tree::{self, AssocItem, FnFlags, ItemTree, ItemTreeId, MacroCall, ModItem, TreeId},
macro_call_as_call_id,
nameres::{
attr_resolution::ResolvedAttr,
diagnostics::{DefDiagnostic, DefDiagnostics},
proc_macro::{parse_macro_name_and_helper_attrs, ProcMacroKind},
DefMap, MacroSubNs,
},
path::ImportAlias,
type_ref::{TraitRef, TypeBound, TypeRefId, TypesMap},
visibility::RawVisibility,
AssocItemId, AstIdWithPath, ConstId, ConstLoc, ExternCrateId, FunctionId, FunctionLoc,
HasModule, ImplId, Intern, ItemContainerId, ItemLoc, Lookup, Macro2Id, MacroRulesId, ModuleId,
ProcMacroId, StaticId, TraitAliasId, TraitId, TypeAliasId, TypeAliasLoc,
};
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct FunctionData {
pub name: Name,
pub params: Box<[TypeRefId]>,
pub ret_type: TypeRefId,
pub visibility: RawVisibility,
pub abi: Option<Symbol>,
pub legacy_const_generics_indices: Option<Box<Box<[u32]>>>,
pub rustc_allow_incoherent_impl: bool,
pub types_map: Arc<TypesMap>,
flags: FnFlags,
}
impl FunctionData {
pub(crate) fn fn_data_query(db: &dyn DefDatabase, func: FunctionId) -> Arc<FunctionData> {
let loc = func.lookup(db);
let krate = loc.container.module(db).krate;
let item_tree = loc.id.item_tree(db);
let func = &item_tree[loc.id.value];
let visibility = if let ItemContainerId::TraitId(trait_id) = loc.container {
trait_vis(db, trait_id)
} else {
item_tree[func.visibility].clone()
};
let crate_graph = db.crate_graph();
let cfg_options = &crate_graph[krate].cfg_options;
let attr_owner = |idx| {
item_tree::AttrOwner::Param(loc.id.value, Idx::from_raw(RawIdx::from(idx as u32)))
};
let mut flags = func.flags;
if flags.contains(FnFlags::HAS_SELF_PARAM) {
let is_cfgd_out =
!item_tree.attrs(db, krate, attr_owner(0usize)).is_cfg_enabled(cfg_options);
if is_cfgd_out {
cov_mark::hit!(cfgd_out_self_param);
flags.remove(FnFlags::HAS_SELF_PARAM);
}
}
if flags.contains(FnFlags::IS_VARARGS) {
if let Some((_, param)) = func.params.iter().enumerate().rev().find(|&(idx, _)| {
item_tree.attrs(db, krate, attr_owner(idx)).is_cfg_enabled(cfg_options)
}) {
if param.type_ref.is_some() {
flags.remove(FnFlags::IS_VARARGS);
}
} else {
flags.remove(FnFlags::IS_VARARGS);
}
}
let attrs = item_tree.attrs(db, krate, ModItem::from(loc.id.value).into());
let legacy_const_generics_indices = attrs
.by_key(&sym::rustc_legacy_const_generics)
.tt_values()
.next()
.map(parse_rustc_legacy_const_generics)
.filter(|it| !it.is_empty())
.map(Box::new);
let rustc_allow_incoherent_impl = attrs.by_key(&sym::rustc_allow_incoherent_impl).exists();
if flags.contains(FnFlags::HAS_UNSAFE_KW)
&& !crate_graph[krate].edition.at_least_2024()
&& attrs.by_key(&sym::rustc_deprecated_safe_2024).exists()
{
flags.remove(FnFlags::HAS_UNSAFE_KW);
}
Arc::new(FunctionData {
name: func.name.clone(),
params: func
.params
.iter()
.enumerate()
.filter(|&(idx, _)| {
item_tree.attrs(db, krate, attr_owner(idx)).is_cfg_enabled(cfg_options)
})
.filter_map(|(_, param)| param.type_ref)
.collect(),
ret_type: func.ret_type,
visibility,
abi: func.abi.clone(),
legacy_const_generics_indices,
types_map: func.types_map.clone(),
flags,
rustc_allow_incoherent_impl,
})
}
pub fn has_body(&self) -> bool {
self.flags.contains(FnFlags::HAS_BODY)
}
pub fn has_self_param(&self) -> bool {
self.flags.contains(FnFlags::HAS_SELF_PARAM)
}
pub fn is_default(&self) -> bool {
self.flags.contains(FnFlags::HAS_DEFAULT_KW)
}
pub fn is_const(&self) -> bool {
self.flags.contains(FnFlags::HAS_CONST_KW)
}
pub fn is_async(&self) -> bool {
self.flags.contains(FnFlags::HAS_ASYNC_KW)
}
pub fn is_unsafe(&self) -> bool {
self.flags.contains(FnFlags::HAS_UNSAFE_KW)
}
pub fn is_safe(&self) -> bool {
self.flags.contains(FnFlags::HAS_SAFE_KW)
}
pub fn is_varargs(&self) -> bool {
self.flags.contains(FnFlags::IS_VARARGS)
}
}
fn parse_rustc_legacy_const_generics(tt: &crate::tt::Subtree) -> Box<[u32]> {
let mut indices = Vec::new();
for args in tt.token_trees.chunks(2) {
match &args[0] {
tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => match lit.symbol.as_str().parse() {
Ok(index) => indices.push(index),
Err(_) => break,
},
_ => break,
}
if let Some(comma) = args.get(1) {
match comma {
tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) if punct.char == ',' => {}
_ => break,
}
}
}
indices.into_boxed_slice()
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TypeAliasData {
pub name: Name,
pub type_ref: Option<TypeRefId>,
pub visibility: RawVisibility,
pub is_extern: bool,
pub rustc_has_incoherent_inherent_impls: bool,
pub rustc_allow_incoherent_impl: bool,
pub bounds: Box<[TypeBound]>,
pub types_map: Arc<TypesMap>,
}
impl TypeAliasData {
pub(crate) fn type_alias_data_query(
db: &dyn DefDatabase,
typ: TypeAliasId,
) -> Arc<TypeAliasData> {
let loc = typ.lookup(db);
let item_tree = loc.id.item_tree(db);
let typ = &item_tree[loc.id.value];
let visibility = if let ItemContainerId::TraitId(trait_id) = loc.container {
trait_vis(db, trait_id)
} else {
item_tree[typ.visibility].clone()
};
let attrs = item_tree.attrs(
db,
loc.container.module(db).krate(),
ModItem::from(loc.id.value).into(),
);
let rustc_has_incoherent_inherent_impls =
attrs.by_key(&sym::rustc_has_incoherent_inherent_impls).exists();
let rustc_allow_incoherent_impl = attrs.by_key(&sym::rustc_allow_incoherent_impl).exists();
Arc::new(TypeAliasData {
name: typ.name.clone(),
type_ref: typ.type_ref,
visibility,
is_extern: matches!(loc.container, ItemContainerId::ExternBlockId(_)),
rustc_has_incoherent_inherent_impls,
rustc_allow_incoherent_impl,
bounds: typ.bounds.clone(),
types_map: typ.types_map.clone(),
})
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TraitData {
pub name: Name,
pub items: Vec<(Name, AssocItemId)>,
pub is_auto: bool,
pub is_unsafe: bool,
pub rustc_has_incoherent_inherent_impls: bool,
pub skip_array_during_method_dispatch: bool,
pub skip_boxed_slice_during_method_dispatch: bool,
pub fundamental: bool,
pub visibility: RawVisibility,
pub macro_calls: Option<Box<Vec<(AstId<ast::Item>, MacroCallId)>>>,
}
impl TraitData {
#[inline]
pub(crate) fn trait_data_query(db: &dyn DefDatabase, tr: TraitId) -> Arc<TraitData> {
db.trait_data_with_diagnostics(tr).0
}
pub(crate) fn trait_data_with_diagnostics_query(
db: &dyn DefDatabase,
tr: TraitId,
) -> (Arc<TraitData>, DefDiagnostics) {
let ItemLoc { container: module_id, id: tree_id } = tr.lookup(db);
let item_tree = tree_id.item_tree(db);
let tr_def = &item_tree[tree_id.value];
let name = tr_def.name.clone();
let is_auto = tr_def.is_auto;
let is_unsafe = tr_def.is_unsafe;
let visibility = item_tree[tr_def.visibility].clone();
let attrs = item_tree.attrs(db, module_id.krate(), ModItem::from(tree_id.value).into());
let mut skip_array_during_method_dispatch =
attrs.by_key(&sym::rustc_skip_array_during_method_dispatch).exists();
let mut skip_boxed_slice_during_method_dispatch = false;
for tt in attrs.by_key(&sym::rustc_skip_during_method_dispatch).tt_values() {
for tt in tt.token_trees.iter() {
if let crate::tt::TokenTree::Leaf(tt::Leaf::Ident(ident)) = tt {
skip_array_during_method_dispatch |= ident.sym == sym::array;
skip_boxed_slice_during_method_dispatch |= ident.sym == sym::boxed_slice;
}
}
}
let rustc_has_incoherent_inherent_impls =
attrs.by_key(&sym::rustc_has_incoherent_inherent_impls).exists();
let fundamental = attrs.by_key(&sym::fundamental).exists();
let mut collector =
AssocItemCollector::new(db, module_id, tree_id.file_id(), ItemContainerId::TraitId(tr));
collector.collect(&item_tree, tree_id.tree_id(), &tr_def.items);
let (items, macro_calls, diagnostics) = collector.finish();
(
Arc::new(TraitData {
name,
macro_calls,
items,
is_auto,
is_unsafe,
visibility,
skip_array_during_method_dispatch,
skip_boxed_slice_during_method_dispatch,
rustc_has_incoherent_inherent_impls,
fundamental,
}),
DefDiagnostics::new(diagnostics),
)
}
pub fn associated_types(&self) -> impl Iterator<Item = TypeAliasId> + '_ {
self.items.iter().filter_map(|(_name, item)| match item {
AssocItemId::TypeAliasId(t) => Some(*t),
_ => None,
})
}
pub fn associated_type_by_name(&self, name: &Name) -> Option<TypeAliasId> {
self.items.iter().find_map(|(item_name, item)| match item {
AssocItemId::TypeAliasId(t) if item_name == name => Some(*t),
_ => None,
})
}
pub fn method_by_name(&self, name: &Name) -> Option<FunctionId> {
self.items.iter().find_map(|(item_name, item)| match item {
AssocItemId::FunctionId(t) if item_name == name => Some(*t),
_ => None,
})
}
pub fn attribute_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ {
self.macro_calls.iter().flat_map(|it| it.iter()).copied()
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TraitAliasData {
pub name: Name,
pub visibility: RawVisibility,
}
impl TraitAliasData {
pub(crate) fn trait_alias_query(db: &dyn DefDatabase, id: TraitAliasId) -> Arc<TraitAliasData> {
let loc = id.lookup(db);
let item_tree = loc.id.item_tree(db);
let alias = &item_tree[loc.id.value];
let visibility = item_tree[alias.visibility].clone();
Arc::new(TraitAliasData { name: alias.name.clone(), visibility })
}
}
#[derive(Debug, PartialEq, Eq)]
pub struct ImplData {
pub target_trait: Option<TraitRef>,
pub self_ty: TypeRefId,
pub items: Box<[AssocItemId]>,
pub is_negative: bool,
pub is_unsafe: bool,
pub macro_calls: Option<Box<Vec<(AstId<ast::Item>, MacroCallId)>>>,
pub types_map: Arc<TypesMap>,
}
impl ImplData {
#[inline]
pub(crate) fn impl_data_query(db: &dyn DefDatabase, id: ImplId) -> Arc<ImplData> {
db.impl_data_with_diagnostics(id).0
}
pub(crate) fn impl_data_with_diagnostics_query(
db: &dyn DefDatabase,
id: ImplId,
) -> (Arc<ImplData>, DefDiagnostics) {
let _p = tracing::info_span!("impl_data_with_diagnostics_query").entered();
let ItemLoc { container: module_id, id: tree_id } = id.lookup(db);
let item_tree = tree_id.item_tree(db);
let impl_def = &item_tree[tree_id.value];
let target_trait = impl_def.target_trait;
let self_ty = impl_def.self_ty;
let is_negative = impl_def.is_negative;
let is_unsafe = impl_def.is_unsafe;
let mut collector =
AssocItemCollector::new(db, module_id, tree_id.file_id(), ItemContainerId::ImplId(id));
collector.collect(&item_tree, tree_id.tree_id(), &impl_def.items);
let (items, macro_calls, diagnostics) = collector.finish();
let items = items.into_iter().map(|(_, item)| item).collect();
(
Arc::new(ImplData {
target_trait,
self_ty,
items,
is_negative,
is_unsafe,
macro_calls,
types_map: impl_def.types_map.clone(),
}),
DefDiagnostics::new(diagnostics),
)
}
pub fn attribute_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ {
self.macro_calls.iter().flat_map(|it| it.iter()).copied()
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Macro2Data {
pub name: Name,
pub visibility: RawVisibility,
pub helpers: Option<Box<[Name]>>,
}
impl Macro2Data {
pub(crate) fn macro2_data_query(db: &dyn DefDatabase, makro: Macro2Id) -> Arc<Macro2Data> {
let loc = makro.lookup(db);
let item_tree = loc.id.item_tree(db);
let makro = &item_tree[loc.id.value];
let helpers = item_tree
.attrs(db, loc.container.krate(), ModItem::from(loc.id.value).into())
.by_key(&sym::rustc_builtin_macro)
.tt_values()
.next()
.and_then(|attr| parse_macro_name_and_helper_attrs(&attr.token_trees))
.map(|(_, helpers)| helpers);
Arc::new(Macro2Data {
name: makro.name.clone(),
visibility: item_tree[makro.visibility].clone(),
helpers,
})
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct MacroRulesData {
pub name: Name,
pub macro_export: bool,
}
impl MacroRulesData {
pub(crate) fn macro_rules_data_query(
db: &dyn DefDatabase,
makro: MacroRulesId,
) -> Arc<MacroRulesData> {
let loc = makro.lookup(db);
let item_tree = loc.id.item_tree(db);
let makro = &item_tree[loc.id.value];
let macro_export = item_tree
.attrs(db, loc.container.krate(), ModItem::from(loc.id.value).into())
.by_key(&sym::macro_export)
.exists();
Arc::new(MacroRulesData { name: makro.name.clone(), macro_export })
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ProcMacroData {
pub name: Name,
pub helpers: Option<Box<[Name]>>,
}
impl ProcMacroData {
pub(crate) fn proc_macro_data_query(
db: &dyn DefDatabase,
makro: ProcMacroId,
) -> Arc<ProcMacroData> {
let loc = makro.lookup(db);
let item_tree = loc.id.item_tree(db);
let makro = &item_tree[loc.id.value];
let (name, helpers) = if let Some(def) = item_tree
.attrs(db, loc.container.krate(), ModItem::from(loc.id.value).into())
.parse_proc_macro_decl(&makro.name)
{
(
def.name,
match def.kind {
ProcMacroKind::Derive { helpers } => Some(helpers),
ProcMacroKind::Bang | ProcMacroKind::Attr => None,
},
)
} else {
stdx::never!("proc macro declaration is not a proc macro");
(makro.name.clone(), None)
};
Arc::new(ProcMacroData { name, helpers })
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ExternCrateDeclData {
pub name: Name,
pub alias: Option<ImportAlias>,
pub visibility: RawVisibility,
pub crate_id: Option<CrateId>,
}
impl ExternCrateDeclData {
pub(crate) fn extern_crate_decl_data_query(
db: &dyn DefDatabase,
extern_crate: ExternCrateId,
) -> Arc<ExternCrateDeclData> {
let loc = extern_crate.lookup(db);
let item_tree = loc.id.item_tree(db);
let extern_crate = &item_tree[loc.id.value];
let name = extern_crate.name.clone();
let krate = loc.container.krate();
let crate_id = if name == sym::self_.clone() {
Some(krate)
} else {
db.crate_graph()[krate].dependencies.iter().find_map(|dep| {
if dep.name.symbol() == name.symbol() {
Some(dep.crate_id)
} else {
None
}
})
};
Arc::new(Self {
name,
visibility: item_tree[extern_crate.visibility].clone(),
alias: extern_crate.alias.clone(),
crate_id,
})
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ConstData {
pub name: Option<Name>,
pub type_ref: TypeRefId,
pub visibility: RawVisibility,
pub rustc_allow_incoherent_impl: bool,
pub has_body: bool,
pub types_map: Arc<TypesMap>,
}
impl ConstData {
pub(crate) fn const_data_query(db: &dyn DefDatabase, konst: ConstId) -> Arc<ConstData> {
let loc = konst.lookup(db);
let item_tree = loc.id.item_tree(db);
let konst = &item_tree[loc.id.value];
let visibility = if let ItemContainerId::TraitId(trait_id) = loc.container {
trait_vis(db, trait_id)
} else {
item_tree[konst.visibility].clone()
};
let rustc_allow_incoherent_impl = item_tree
.attrs(db, loc.container.module(db).krate(), ModItem::from(loc.id.value).into())
.by_key(&sym::rustc_allow_incoherent_impl)
.exists();
Arc::new(ConstData {
name: konst.name.clone(),
type_ref: konst.type_ref,
visibility,
rustc_allow_incoherent_impl,
has_body: konst.has_body,
types_map: konst.types_map.clone(),
})
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct StaticData {
pub name: Name,
pub type_ref: TypeRefId,
pub visibility: RawVisibility,
pub mutable: bool,
pub is_extern: bool,
pub has_safe_kw: bool,
pub has_unsafe_kw: bool,
pub types_map: Arc<TypesMap>,
}
impl StaticData {
pub(crate) fn static_data_query(db: &dyn DefDatabase, konst: StaticId) -> Arc<StaticData> {
let loc = konst.lookup(db);
let item_tree = loc.id.item_tree(db);
let statik = &item_tree[loc.id.value];
Arc::new(StaticData {
name: statik.name.clone(),
type_ref: statik.type_ref,
visibility: item_tree[statik.visibility].clone(),
mutable: statik.mutable,
is_extern: matches!(loc.container, ItemContainerId::ExternBlockId(_)),
has_safe_kw: statik.has_safe_kw,
has_unsafe_kw: statik.has_unsafe_kw,
types_map: statik.types_map.clone(),
})
}
}
struct AssocItemCollector<'a> {
db: &'a dyn DefDatabase,
module_id: ModuleId,
def_map: Arc<DefMap>,
diagnostics: Vec<DefDiagnostic>,
container: ItemContainerId,
expander: Expander,
items: Vec<(Name, AssocItemId)>,
macro_calls: Vec<(AstId<ast::Item>, MacroCallId)>,
}
impl<'a> AssocItemCollector<'a> {
fn new(
db: &'a dyn DefDatabase,
module_id: ModuleId,
file_id: HirFileId,
container: ItemContainerId,
) -> Self {
Self {
db,
module_id,
def_map: module_id.def_map(db),
container,
expander: Expander::new(db, file_id, module_id),
items: Vec::new(),
macro_calls: Vec::new(),
diagnostics: Vec::new(),
}
}
fn finish(
self,
) -> (
Vec<(Name, AssocItemId)>,
Option<Box<Vec<(AstId<ast::Item>, MacroCallId)>>>,
Vec<DefDiagnostic>,
) {
(
self.items,
if self.macro_calls.is_empty() { None } else { Some(Box::new(self.macro_calls)) },
self.diagnostics,
)
}
fn collect(&mut self, item_tree: &ItemTree, tree_id: TreeId, assoc_items: &[AssocItem]) {
let container = self.container;
self.items.reserve(assoc_items.len());
'items: for &item in assoc_items {
let attrs = item_tree.attrs(self.db, self.module_id.krate, ModItem::from(item).into());
if !attrs.is_cfg_enabled(self.expander.cfg_options()) {
self.diagnostics.push(DefDiagnostic::unconfigured_code(
self.module_id.local_id,
tree_id,
ModItem::from(item).into(),
attrs.cfg().unwrap(),
self.expander.cfg_options().clone(),
));
continue;
}
'attrs: for attr in &*attrs {
let ast_id =
AstId::new(self.expander.current_file_id(), item.ast_id(item_tree).upcast());
let ast_id_with_path = AstIdWithPath { path: attr.path.clone(), ast_id };
match self.def_map.resolve_attr_macro(
self.db,
self.module_id.local_id,
ast_id_with_path,
attr,
) {
Ok(ResolvedAttr::Macro(call_id)) => {
let loc = self.db.lookup_intern_macro_call(call_id);
if let MacroDefKind::ProcMacro(_, exp, _) = loc.def.kind {
if let Some(err) = exp.as_expand_error(self.module_id.krate) {
self.diagnostics.push(DefDiagnostic::macro_error(
self.module_id.local_id,
ast_id,
(*attr.path).clone(),
err,
));
continue 'attrs;
}
}
self.macro_calls.push((ast_id, call_id));
let res =
self.expander.enter_expand_id::<ast::MacroItems>(self.db, call_id);
self.collect_macro_items(res);
continue 'items;
}
Ok(_) => (),
Err(_) => {
self.diagnostics.push(DefDiagnostic::unresolved_macro_call(
self.module_id.local_id,
MacroCallKind::Attr {
ast_id,
attr_args: None,
invoc_attr_index: attr.id,
},
attr.path().clone(),
));
}
}
}
self.collect_item(item_tree, tree_id, container, item);
}
}
fn collect_item(
&mut self,
item_tree: &ItemTree,
tree_id: TreeId,
container: ItemContainerId,
item: AssocItem,
) {
match item {
AssocItem::Function(id) => {
let item = &item_tree[id];
let def =
FunctionLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((item.name.clone(), def.into()));
}
AssocItem::TypeAlias(id) => {
let item = &item_tree[id];
let def =
TypeAliasLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((item.name.clone(), def.into()));
}
AssocItem::Const(id) => {
let item = &item_tree[id];
let Some(name) = item.name.clone() else { return };
let def = ConstLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((name, def.into()));
}
AssocItem::MacroCall(call) => {
let file_id = self.expander.current_file_id();
let MacroCall { ast_id, expand_to, ctxt, ref path } = item_tree[call];
let module = self.expander.module.local_id;
let resolver = |path: &_| {
self.def_map
.resolve_path(
self.db,
module,
path,
crate::item_scope::BuiltinShadowMode::Other,
Some(MacroSubNs::Bang),
)
.0
.take_macros()
.map(|it| self.db.macro_def(it))
};
match macro_call_as_call_id(
self.db.upcast(),
&AstIdWithPath::new(file_id, ast_id, Clone::clone(path)),
ctxt,
expand_to,
self.expander.krate(),
resolver,
) {
Ok(Some(call_id)) => {
let res =
self.expander.enter_expand_id::<ast::MacroItems>(self.db, call_id);
self.macro_calls.push((InFile::new(file_id, ast_id.upcast()), call_id));
self.collect_macro_items(res);
}
Ok(None) => (),
Err(_) => {
self.diagnostics.push(DefDiagnostic::unresolved_macro_call(
self.module_id.local_id,
MacroCallKind::FnLike {
ast_id: InFile::new(file_id, ast_id),
expand_to,
eager: None,
},
Clone::clone(path),
));
}
}
}
}
}
fn collect_macro_items(&mut self, res: ExpandResult<Option<(Mark, Parse<ast::MacroItems>)>>) {
let Some((mark, _parse)) = res.value else { return };
let tree_id = item_tree::TreeId::new(self.expander.current_file_id(), None);
let item_tree = tree_id.item_tree(self.db);
let iter: SmallVec<[_; 2]> =
item_tree.top_level_items().iter().filter_map(ModItem::as_assoc_item).collect();
self.collect(&item_tree, tree_id, &iter);
self.expander.exit(mark);
}
}
fn trait_vis(db: &dyn DefDatabase, trait_id: TraitId) -> RawVisibility {
let ItemLoc { id: tree_id, .. } = trait_id.lookup(db);
let item_tree = tree_id.item_tree(db);
let tr_def = &item_tree[tree_id.value];
item_tree[tr_def.visibility].clone()
}