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authorAleksey Kladov <[email protected]>2020-08-13 15:28:27 +0100
committerAleksey Kladov <[email protected]>2020-08-13 15:29:33 +0100
commitb28c54a2c239acd73f2eea80fda9ee3960d2c046 (patch)
tree1bf0ea193bdb3b16ff42c2c01118b13a4276b2bb /crates/ra_hir_def/src/resolver.rs
parentb7aa4898e0841ab8199643f89a0caa967b698ca8 (diff)
Rename ra_hir_def -> hir_def
Diffstat (limited to 'crates/ra_hir_def/src/resolver.rs')
-rw-r--r--crates/ra_hir_def/src/resolver.rs713
1 files changed, 0 insertions, 713 deletions
diff --git a/crates/ra_hir_def/src/resolver.rs b/crates/ra_hir_def/src/resolver.rs
deleted file mode 100644
index f8cc5e075..000000000
--- a/crates/ra_hir_def/src/resolver.rs
+++ /dev/null
@@ -1,713 +0,0 @@
1//! Name resolution façade.
2use std::sync::Arc;
3
4use base_db::CrateId;
5use hir_expand::{
6 name::{name, Name},
7 MacroDefId,
8};
9use rustc_hash::FxHashSet;
10
11use crate::{
12 body::scope::{ExprScopes, ScopeId},
13 body::Body,
14 builtin_type::BuiltinType,
15 db::DefDatabase,
16 expr::{ExprId, PatId},
17 generics::GenericParams,
18 item_scope::{BuiltinShadowMode, BUILTIN_SCOPE},
19 nameres::CrateDefMap,
20 path::{ModPath, PathKind},
21 per_ns::PerNs,
22 visibility::{RawVisibility, Visibility},
23 AdtId, AssocContainerId, ConstId, ContainerId, DefWithBodyId, EnumId, EnumVariantId,
24 FunctionId, GenericDefId, HasModule, ImplId, LocalModuleId, Lookup, ModuleDefId, ModuleId,
25 StaticId, StructId, TraitId, TypeAliasId, TypeParamId, VariantId,
26};
27
28#[derive(Debug, Clone, Default)]
29pub struct Resolver {
30 // FIXME: all usages generally call `.rev`, so maybe reverse once in consturciton?
31 scopes: Vec<Scope>,
32}
33
34// FIXME how to store these best
35#[derive(Debug, Clone)]
36struct ModuleItemMap {
37 crate_def_map: Arc<CrateDefMap>,
38 module_id: LocalModuleId,
39}
40
41#[derive(Debug, Clone)]
42struct ExprScope {
43 owner: DefWithBodyId,
44 expr_scopes: Arc<ExprScopes>,
45 scope_id: ScopeId,
46}
47
48#[derive(Debug, Clone)]
49enum Scope {
50 /// All the items and imported names of a module
51 ModuleScope(ModuleItemMap),
52 /// Brings the generic parameters of an item into scope
53 GenericParams { def: GenericDefId, params: Arc<GenericParams> },
54 /// Brings `Self` in `impl` block into scope
55 ImplDefScope(ImplId),
56 /// Brings `Self` in enum, struct and union definitions into scope
57 AdtScope(AdtId),
58 /// Local bindings
59 ExprScope(ExprScope),
60 /// Temporary hack to support local items.
61 LocalItemsScope(Arc<Body>),
62}
63
64#[derive(Debug, Clone, PartialEq, Eq, Hash)]
65pub enum TypeNs {
66 SelfType(ImplId),
67 GenericParam(TypeParamId),
68 AdtId(AdtId),
69 AdtSelfType(AdtId),
70 // Yup, enum variants are added to the types ns, but any usage of variant as
71 // type is an error.
72 EnumVariantId(EnumVariantId),
73 TypeAliasId(TypeAliasId),
74 BuiltinType(BuiltinType),
75 TraitId(TraitId),
76 // Module belong to type ns, but the resolver is used when all module paths
77 // are fully resolved.
78 // ModuleId(ModuleId)
79}
80
81#[derive(Debug, Clone, PartialEq, Eq, Hash)]
82pub enum ResolveValueResult {
83 ValueNs(ValueNs),
84 Partial(TypeNs, usize),
85}
86
87#[derive(Debug, Clone, PartialEq, Eq, Hash)]
88pub enum ValueNs {
89 ImplSelf(ImplId),
90 LocalBinding(PatId),
91 FunctionId(FunctionId),
92 ConstId(ConstId),
93 StaticId(StaticId),
94 StructId(StructId),
95 EnumVariantId(EnumVariantId),
96}
97
98impl Resolver {
99 /// Resolve known trait from std, like `std::futures::Future`
100 pub fn resolve_known_trait(&self, db: &dyn DefDatabase, path: &ModPath) -> Option<TraitId> {
101 let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?;
102 match res {
103 ModuleDefId::TraitId(it) => Some(it),
104 _ => None,
105 }
106 }
107
108 /// Resolve known struct from std, like `std::boxed::Box`
109 pub fn resolve_known_struct(&self, db: &dyn DefDatabase, path: &ModPath) -> Option<StructId> {
110 let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?;
111 match res {
112 ModuleDefId::AdtId(AdtId::StructId(it)) => Some(it),
113 _ => None,
114 }
115 }
116
117 /// Resolve known enum from std, like `std::result::Result`
118 pub fn resolve_known_enum(&self, db: &dyn DefDatabase, path: &ModPath) -> Option<EnumId> {
119 let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?;
120 match res {
121 ModuleDefId::AdtId(AdtId::EnumId(it)) => Some(it),
122 _ => None,
123 }
124 }
125
126 fn resolve_module_path(
127 &self,
128 db: &dyn DefDatabase,
129 path: &ModPath,
130 shadow: BuiltinShadowMode,
131 ) -> PerNs {
132 let (item_map, module) = match self.module_scope() {
133 Some(it) => it,
134 None => return PerNs::none(),
135 };
136 let (module_res, segment_index) = item_map.resolve_path(db, module, &path, shadow);
137 if segment_index.is_some() {
138 return PerNs::none();
139 }
140 module_res
141 }
142
143 pub fn resolve_module_path_in_items(&self, db: &dyn DefDatabase, path: &ModPath) -> PerNs {
144 self.resolve_module_path(db, path, BuiltinShadowMode::Module)
145 }
146
147 pub fn resolve_path_in_type_ns(
148 &self,
149 db: &dyn DefDatabase,
150 path: &ModPath,
151 ) -> Option<(TypeNs, Option<usize>)> {
152 let first_name = path.segments.first()?;
153 let skip_to_mod = path.kind != PathKind::Plain;
154 for scope in self.scopes.iter().rev() {
155 match scope {
156 Scope::ExprScope(_) => continue,
157 Scope::GenericParams { .. }
158 | Scope::ImplDefScope(_)
159 | Scope::LocalItemsScope(_)
160 if skip_to_mod =>
161 {
162 continue
163 }
164
165 Scope::GenericParams { params, def } => {
166 if let Some(local_id) = params.find_by_name(first_name) {
167 let idx = if path.segments.len() == 1 { None } else { Some(1) };
168 return Some((
169 TypeNs::GenericParam(TypeParamId { local_id, parent: *def }),
170 idx,
171 ));
172 }
173 }
174 Scope::ImplDefScope(impl_) => {
175 if first_name == &name![Self] {
176 let idx = if path.segments.len() == 1 { None } else { Some(1) };
177 return Some((TypeNs::SelfType(*impl_), idx));
178 }
179 }
180 Scope::AdtScope(adt) => {
181 if first_name == &name![Self] {
182 let idx = if path.segments.len() == 1 { None } else { Some(1) };
183 return Some((TypeNs::AdtSelfType(*adt), idx));
184 }
185 }
186 Scope::ModuleScope(m) => {
187 let (module_def, idx) = m.crate_def_map.resolve_path(
188 db,
189 m.module_id,
190 &path,
191 BuiltinShadowMode::Other,
192 );
193 let res = to_type_ns(module_def)?;
194 return Some((res, idx));
195 }
196 Scope::LocalItemsScope(body) => {
197 let def = body.item_scope.get(first_name);
198 if let Some(res) = to_type_ns(def) {
199 return Some((res, None));
200 }
201 }
202 }
203 }
204 return None;
205 fn to_type_ns(per_ns: PerNs) -> Option<TypeNs> {
206 let res = match per_ns.take_types()? {
207 ModuleDefId::AdtId(it) => TypeNs::AdtId(it),
208 ModuleDefId::EnumVariantId(it) => TypeNs::EnumVariantId(it),
209
210 ModuleDefId::TypeAliasId(it) => TypeNs::TypeAliasId(it),
211 ModuleDefId::BuiltinType(it) => TypeNs::BuiltinType(it),
212
213 ModuleDefId::TraitId(it) => TypeNs::TraitId(it),
214
215 ModuleDefId::FunctionId(_)
216 | ModuleDefId::ConstId(_)
217 | ModuleDefId::StaticId(_)
218 | ModuleDefId::ModuleId(_) => return None,
219 };
220 Some(res)
221 }
222 }
223
224 pub fn resolve_path_in_type_ns_fully(
225 &self,
226 db: &dyn DefDatabase,
227 path: &ModPath,
228 ) -> Option<TypeNs> {
229 let (res, unresolved) = self.resolve_path_in_type_ns(db, path)?;
230 if unresolved.is_some() {
231 return None;
232 }
233 Some(res)
234 }
235
236 pub fn resolve_visibility(
237 &self,
238 db: &dyn DefDatabase,
239 visibility: &RawVisibility,
240 ) -> Option<Visibility> {
241 match visibility {
242 RawVisibility::Module(_) => {
243 let (item_map, module) = match self.module_scope() {
244 Some(it) => it,
245 None => return None,
246 };
247 item_map.resolve_visibility(db, module, visibility)
248 }
249 RawVisibility::Public => Some(Visibility::Public),
250 }
251 }
252
253 pub fn resolve_path_in_value_ns(
254 &self,
255 db: &dyn DefDatabase,
256 path: &ModPath,
257 ) -> Option<ResolveValueResult> {
258 let n_segments = path.segments.len();
259 let tmp = name![self];
260 let first_name = if path.is_self() { &tmp } else { &path.segments.first()? };
261 let skip_to_mod = path.kind != PathKind::Plain && !path.is_self();
262 for scope in self.scopes.iter().rev() {
263 match scope {
264 Scope::AdtScope(_)
265 | Scope::ExprScope(_)
266 | Scope::GenericParams { .. }
267 | Scope::ImplDefScope(_)
268 | Scope::LocalItemsScope(_)
269 if skip_to_mod =>
270 {
271 continue
272 }
273
274 Scope::ExprScope(scope) if n_segments <= 1 => {
275 let entry = scope
276 .expr_scopes
277 .entries(scope.scope_id)
278 .iter()
279 .find(|entry| entry.name() == first_name);
280
281 if let Some(e) = entry {
282 return Some(ResolveValueResult::ValueNs(ValueNs::LocalBinding(e.pat())));
283 }
284 }
285 Scope::ExprScope(_) => continue,
286
287 Scope::GenericParams { params, def } if n_segments > 1 => {
288 if let Some(local_id) = params.find_by_name(first_name) {
289 let ty = TypeNs::GenericParam(TypeParamId { local_id, parent: *def });
290 return Some(ResolveValueResult::Partial(ty, 1));
291 }
292 }
293 Scope::GenericParams { .. } => continue,
294
295 Scope::ImplDefScope(impl_) => {
296 if first_name == &name![Self] {
297 if n_segments > 1 {
298 let ty = TypeNs::SelfType(*impl_);
299 return Some(ResolveValueResult::Partial(ty, 1));
300 } else {
301 return Some(ResolveValueResult::ValueNs(ValueNs::ImplSelf(*impl_)));
302 }
303 }
304 }
305 Scope::AdtScope(adt) => {
306 if n_segments == 1 {
307 // bare `Self` doesn't work in the value namespace in a struct/enum definition
308 continue;
309 }
310 if first_name == &name![Self] {
311 let ty = TypeNs::AdtSelfType(*adt);
312 return Some(ResolveValueResult::Partial(ty, 1));
313 }
314 }
315
316 Scope::ModuleScope(m) => {
317 let (module_def, idx) = m.crate_def_map.resolve_path(
318 db,
319 m.module_id,
320 &path,
321 BuiltinShadowMode::Other,
322 );
323 return match idx {
324 None => {
325 let value = to_value_ns(module_def)?;
326 Some(ResolveValueResult::ValueNs(value))
327 }
328 Some(idx) => {
329 let ty = match module_def.take_types()? {
330 ModuleDefId::AdtId(it) => TypeNs::AdtId(it),
331 ModuleDefId::TraitId(it) => TypeNs::TraitId(it),
332 ModuleDefId::TypeAliasId(it) => TypeNs::TypeAliasId(it),
333 ModuleDefId::BuiltinType(it) => TypeNs::BuiltinType(it),
334
335 ModuleDefId::ModuleId(_)
336 | ModuleDefId::FunctionId(_)
337 | ModuleDefId::EnumVariantId(_)
338 | ModuleDefId::ConstId(_)
339 | ModuleDefId::StaticId(_) => return None,
340 };
341 Some(ResolveValueResult::Partial(ty, idx))
342 }
343 };
344 }
345 Scope::LocalItemsScope(body) => {
346 // we don't bother looking in the builtin scope here because there are no builtin values
347 let def = to_value_ns(body.item_scope.get(first_name));
348
349 if let Some(res) = def {
350 return Some(ResolveValueResult::ValueNs(res));
351 }
352 }
353 }
354 }
355 return None;
356
357 fn to_value_ns(per_ns: PerNs) -> Option<ValueNs> {
358 let res = match per_ns.take_values()? {
359 ModuleDefId::FunctionId(it) => ValueNs::FunctionId(it),
360 ModuleDefId::AdtId(AdtId::StructId(it)) => ValueNs::StructId(it),
361 ModuleDefId::EnumVariantId(it) => ValueNs::EnumVariantId(it),
362 ModuleDefId::ConstId(it) => ValueNs::ConstId(it),
363 ModuleDefId::StaticId(it) => ValueNs::StaticId(it),
364
365 ModuleDefId::AdtId(AdtId::EnumId(_))
366 | ModuleDefId::AdtId(AdtId::UnionId(_))
367 | ModuleDefId::TraitId(_)
368 | ModuleDefId::TypeAliasId(_)
369 | ModuleDefId::BuiltinType(_)
370 | ModuleDefId::ModuleId(_) => return None,
371 };
372 Some(res)
373 }
374 }
375
376 pub fn resolve_path_in_value_ns_fully(
377 &self,
378 db: &dyn DefDatabase,
379 path: &ModPath,
380 ) -> Option<ValueNs> {
381 match self.resolve_path_in_value_ns(db, path)? {
382 ResolveValueResult::ValueNs(it) => Some(it),
383 ResolveValueResult::Partial(..) => None,
384 }
385 }
386
387 pub fn resolve_path_as_macro(
388 &self,
389 db: &dyn DefDatabase,
390 path: &ModPath,
391 ) -> Option<MacroDefId> {
392 // Search item scope legacy macro first
393 if let Some(def) = self.resolve_local_macro_def(path) {
394 return Some(def);
395 }
396
397 let (item_map, module) = self.module_scope()?;
398 item_map.resolve_path(db, module, &path, BuiltinShadowMode::Other).0.take_macros()
399 }
400
401 pub fn process_all_names(&self, db: &dyn DefDatabase, f: &mut dyn FnMut(Name, ScopeDef)) {
402 for scope in self.scopes.iter().rev() {
403 scope.process_names(db, f);
404 }
405 }
406
407 pub fn traits_in_scope(&self, db: &dyn DefDatabase) -> FxHashSet<TraitId> {
408 let mut traits = FxHashSet::default();
409 for scope in &self.scopes {
410 if let Scope::ModuleScope(m) = scope {
411 if let Some(prelude) = m.crate_def_map.prelude {
412 let prelude_def_map = db.crate_def_map(prelude.krate);
413 traits.extend(prelude_def_map[prelude.local_id].scope.traits());
414 }
415 traits.extend(m.crate_def_map[m.module_id].scope.traits());
416 }
417 }
418 traits
419 }
420
421 fn module_scope(&self) -> Option<(&CrateDefMap, LocalModuleId)> {
422 self.scopes.iter().rev().find_map(|scope| match scope {
423 Scope::ModuleScope(m) => Some((&*m.crate_def_map, m.module_id)),
424
425 _ => None,
426 })
427 }
428
429 fn resolve_local_macro_def(&self, path: &ModPath) -> Option<MacroDefId> {
430 let name = path.as_ident()?;
431 self.scopes.iter().rev().find_map(|scope| {
432 if let Scope::LocalItemsScope(body) = scope {
433 return body.item_scope.get_legacy_macro(name);
434 }
435 None
436 })
437 }
438
439 pub fn module(&self) -> Option<ModuleId> {
440 let (def_map, local_id) = self.module_scope()?;
441 Some(ModuleId { krate: def_map.krate, local_id })
442 }
443
444 pub fn krate(&self) -> Option<CrateId> {
445 self.module_scope().map(|t| t.0.krate)
446 }
447
448 pub fn where_predicates_in_scope<'a>(
449 &'a self,
450 ) -> impl Iterator<Item = &'a crate::generics::WherePredicate> + 'a {
451 self.scopes
452 .iter()
453 .rev()
454 .filter_map(|scope| match scope {
455 Scope::GenericParams { params, .. } => Some(params),
456 _ => None,
457 })
458 .flat_map(|params| params.where_predicates.iter())
459 }
460
461 pub fn generic_def(&self) -> Option<GenericDefId> {
462 self.scopes.iter().rev().find_map(|scope| match scope {
463 Scope::GenericParams { def, .. } => Some(*def),
464 _ => None,
465 })
466 }
467
468 pub fn body_owner(&self) -> Option<DefWithBodyId> {
469 self.scopes.iter().rev().find_map(|scope| match scope {
470 Scope::ExprScope(it) => Some(it.owner),
471 _ => None,
472 })
473 }
474}
475
476pub enum ScopeDef {
477 PerNs(PerNs),
478 ImplSelfType(ImplId),
479 AdtSelfType(AdtId),
480 GenericParam(TypeParamId),
481 Local(PatId),
482}
483
484impl Scope {
485 fn process_names(&self, db: &dyn DefDatabase, f: &mut dyn FnMut(Name, ScopeDef)) {
486 match self {
487 Scope::ModuleScope(m) => {
488 // FIXME: should we provide `self` here?
489 // f(
490 // Name::self_param(),
491 // PerNs::types(Resolution::Def {
492 // def: m.module.into(),
493 // }),
494 // );
495 m.crate_def_map[m.module_id].scope.entries().for_each(|(name, def)| {
496 f(name.clone(), ScopeDef::PerNs(def));
497 });
498 m.crate_def_map[m.module_id].scope.legacy_macros().for_each(|(name, macro_)| {
499 f(name.clone(), ScopeDef::PerNs(PerNs::macros(macro_, Visibility::Public)));
500 });
501 m.crate_def_map.extern_prelude.iter().for_each(|(name, &def)| {
502 f(name.clone(), ScopeDef::PerNs(PerNs::types(def, Visibility::Public)));
503 });
504 BUILTIN_SCOPE.iter().for_each(|(name, &def)| {
505 f(name.clone(), ScopeDef::PerNs(def));
506 });
507 if let Some(prelude) = m.crate_def_map.prelude {
508 let prelude_def_map = db.crate_def_map(prelude.krate);
509 prelude_def_map[prelude.local_id].scope.entries().for_each(|(name, def)| {
510 f(name.clone(), ScopeDef::PerNs(def));
511 });
512 }
513 }
514 Scope::LocalItemsScope(body) => body.item_scope.entries().for_each(|(name, def)| {
515 f(name.clone(), ScopeDef::PerNs(def));
516 }),
517 Scope::GenericParams { params, def } => {
518 for (local_id, param) in params.types.iter() {
519 if let Some(name) = &param.name {
520 f(
521 name.clone(),
522 ScopeDef::GenericParam(TypeParamId { local_id, parent: *def }),
523 )
524 }
525 }
526 }
527 Scope::ImplDefScope(i) => {
528 f(name![Self], ScopeDef::ImplSelfType(*i));
529 }
530 Scope::AdtScope(i) => {
531 f(name![Self], ScopeDef::AdtSelfType(*i));
532 }
533 Scope::ExprScope(scope) => {
534 scope.expr_scopes.entries(scope.scope_id).iter().for_each(|e| {
535 f(e.name().clone(), ScopeDef::Local(e.pat()));
536 });
537 }
538 }
539 }
540}
541
542// needs arbitrary_self_types to be a method... or maybe move to the def?
543pub fn resolver_for_expr(db: &dyn DefDatabase, owner: DefWithBodyId, expr_id: ExprId) -> Resolver {
544 let scopes = db.expr_scopes(owner);
545 resolver_for_scope(db, owner, scopes.scope_for(expr_id))
546}
547
548pub fn resolver_for_scope(
549 db: &dyn DefDatabase,
550 owner: DefWithBodyId,
551 scope_id: Option<ScopeId>,
552) -> Resolver {
553 let mut r = owner.resolver(db);
554 r = r.push_local_items_scope(db.body(owner));
555 let scopes = db.expr_scopes(owner);
556 let scope_chain = scopes.scope_chain(scope_id).collect::<Vec<_>>();
557 for scope in scope_chain.into_iter().rev() {
558 r = r.push_expr_scope(owner, Arc::clone(&scopes), scope);
559 }
560 r
561}
562
563impl Resolver {
564 fn push_scope(mut self, scope: Scope) -> Resolver {
565 self.scopes.push(scope);
566 self
567 }
568
569 fn push_generic_params_scope(self, db: &dyn DefDatabase, def: GenericDefId) -> Resolver {
570 let params = db.generic_params(def);
571 self.push_scope(Scope::GenericParams { def, params })
572 }
573
574 fn push_impl_def_scope(self, impl_def: ImplId) -> Resolver {
575 self.push_scope(Scope::ImplDefScope(impl_def))
576 }
577
578 fn push_module_scope(
579 self,
580 crate_def_map: Arc<CrateDefMap>,
581 module_id: LocalModuleId,
582 ) -> Resolver {
583 self.push_scope(Scope::ModuleScope(ModuleItemMap { crate_def_map, module_id }))
584 }
585
586 fn push_local_items_scope(self, body: Arc<Body>) -> Resolver {
587 self.push_scope(Scope::LocalItemsScope(body))
588 }
589
590 fn push_expr_scope(
591 self,
592 owner: DefWithBodyId,
593 expr_scopes: Arc<ExprScopes>,
594 scope_id: ScopeId,
595 ) -> Resolver {
596 self.push_scope(Scope::ExprScope(ExprScope { owner, expr_scopes, scope_id }))
597 }
598}
599
600pub trait HasResolver: Copy {
601 /// Builds a resolver for type references inside this def.
602 fn resolver(self, db: &dyn DefDatabase) -> Resolver;
603}
604
605impl HasResolver for ModuleId {
606 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
607 let def_map = db.crate_def_map(self.krate);
608 Resolver::default().push_module_scope(def_map, self.local_id)
609 }
610}
611
612impl HasResolver for TraitId {
613 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
614 self.lookup(db).container.resolver(db).push_generic_params_scope(db, self.into())
615 }
616}
617
618impl<T: Into<AdtId> + Copy> HasResolver for T {
619 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
620 let def = self.into();
621 def.module(db)
622 .resolver(db)
623 .push_generic_params_scope(db, def.into())
624 .push_scope(Scope::AdtScope(def))
625 }
626}
627
628impl HasResolver for FunctionId {
629 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
630 self.lookup(db).container.resolver(db).push_generic_params_scope(db, self.into())
631 }
632}
633
634impl HasResolver for ConstId {
635 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
636 self.lookup(db).container.resolver(db)
637 }
638}
639
640impl HasResolver for StaticId {
641 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
642 self.lookup(db).container.resolver(db)
643 }
644}
645
646impl HasResolver for TypeAliasId {
647 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
648 self.lookup(db).container.resolver(db).push_generic_params_scope(db, self.into())
649 }
650}
651
652impl HasResolver for ImplId {
653 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
654 self.lookup(db)
655 .container
656 .resolver(db)
657 .push_generic_params_scope(db, self.into())
658 .push_impl_def_scope(self)
659 }
660}
661
662impl HasResolver for DefWithBodyId {
663 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
664 match self {
665 DefWithBodyId::ConstId(c) => c.resolver(db),
666 DefWithBodyId::FunctionId(f) => f.resolver(db),
667 DefWithBodyId::StaticId(s) => s.resolver(db),
668 }
669 }
670}
671
672impl HasResolver for ContainerId {
673 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
674 match self {
675 ContainerId::ModuleId(it) => it.resolver(db),
676 ContainerId::DefWithBodyId(it) => it.module(db).resolver(db),
677 }
678 }
679}
680
681impl HasResolver for AssocContainerId {
682 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
683 match self {
684 AssocContainerId::ContainerId(it) => it.resolver(db),
685 AssocContainerId::TraitId(it) => it.resolver(db),
686 AssocContainerId::ImplId(it) => it.resolver(db),
687 }
688 }
689}
690
691impl HasResolver for GenericDefId {
692 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
693 match self {
694 GenericDefId::FunctionId(inner) => inner.resolver(db),
695 GenericDefId::AdtId(adt) => adt.resolver(db),
696 GenericDefId::TraitId(inner) => inner.resolver(db),
697 GenericDefId::TypeAliasId(inner) => inner.resolver(db),
698 GenericDefId::ImplId(inner) => inner.resolver(db),
699 GenericDefId::EnumVariantId(inner) => inner.parent.resolver(db),
700 GenericDefId::ConstId(inner) => inner.resolver(db),
701 }
702 }
703}
704
705impl HasResolver for VariantId {
706 fn resolver(self, db: &dyn DefDatabase) -> Resolver {
707 match self {
708 VariantId::EnumVariantId(it) => it.parent.resolver(db),
709 VariantId::StructId(it) => it.resolver(db),
710 VariantId::UnionId(it) => it.resolver(db),
711 }
712 }
713}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-16 16:59:58 +0100