]>
Commit | Line | Data |
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74b04a01 | 1 | use crate::dep_graph::SerializedDepNodeIndex; |
dfeec247 | 2 | use crate::mir::interpret::{GlobalId, LitToConstInput}; |
532ac7d7 XL |
3 | use crate::traits; |
4 | use crate::traits::query::{ | |
dfeec247 XL |
5 | CanonicalPredicateGoal, CanonicalProjectionGoal, CanonicalTyGoal, |
6 | CanonicalTypeOpAscribeUserTypeGoal, CanonicalTypeOpEqGoal, CanonicalTypeOpNormalizeGoal, | |
7 | CanonicalTypeOpProvePredicateGoal, CanonicalTypeOpSubtypeGoal, | |
532ac7d7 | 8 | }; |
dfeec247 | 9 | use crate::ty::query::queries; |
ba9703b0 | 10 | use crate::ty::subst::{GenericArg, SubstsRef}; |
dfeec247 | 11 | use crate::ty::{self, ParamEnvAnd, Ty, TyCtxt}; |
ba9703b0 | 12 | use rustc_hir::def_id::{CrateNum, DefId, LocalDefId}; |
f9f354fc | 13 | use rustc_query_system::query::QueryDescription; |
532ac7d7 | 14 | |
dfeec247 | 15 | use rustc_span::symbol::Symbol; |
532ac7d7 | 16 | use std::borrow::Cow; |
dfeec247 | 17 | |
f035d41b | 18 | fn describe_as_module(def_id: LocalDefId, tcx: TyCtxt<'_>) -> String { |
dfeec247 | 19 | if def_id.is_top_level_module() { |
74b04a01 | 20 | "top-level module".to_string() |
dfeec247 | 21 | } else { |
f035d41b | 22 | format!("module `{}`", tcx.def_path_str(def_id.to_def_id())) |
dfeec247 XL |
23 | } |
24 | } | |
532ac7d7 | 25 | |
532ac7d7 XL |
26 | // Each of these queries corresponds to a function pointer field in the |
27 | // `Providers` struct for requesting a value of that type, and a method | |
28 | // on `tcx: TyCtxt` (and `tcx.at(span)`) for doing that request in a way | |
29 | // which memoizes and does dep-graph tracking, wrapping around the actual | |
30 | // `Providers` that the driver creates (using several `rustc_*` crates). | |
31 | // | |
32 | // The result type of each query must implement `Clone`, and additionally | |
33 | // `ty::query::values::Value`, which produces an appropriate placeholder | |
34 | // (error) value if the query resulted in a query cycle. | |
35 | // Queries marked with `fatal_cycle` do not need the latter implementation, | |
36 | // as they will raise an fatal error on query cycles instead. | |
37 | rustc_queries! { | |
60c5eb7d XL |
38 | Other { |
39 | query trigger_delay_span_bug(key: DefId) -> () { | |
40 | desc { "trigger a delay span bug" } | |
41 | } | |
42 | } | |
43 | ||
532ac7d7 | 44 | Other { |
1b1a35ee XL |
45 | /// Represents crate as a whole (as distinct from the top-level crate module). |
46 | /// If you call `hir_crate` (e.g., indirectly by calling `tcx.hir().krate()`), | |
47 | /// we will have to assume that any change means that you need to be recompiled. | |
48 | /// This is because the `hir_crate` query gives you access to all other items. | |
49 | /// To avoid this fate, do not call `tcx.hir().krate()`; instead, | |
50 | /// prefer wrappers like `tcx.visit_all_items_in_krate()`. | |
74b04a01 XL |
51 | query hir_crate(key: CrateNum) -> &'tcx Crate<'tcx> { |
52 | eval_always | |
53 | no_hash | |
54 | desc { "get the crate HIR" } | |
55 | } | |
56 | ||
1b1a35ee XL |
57 | /// The indexed HIR. This can be conveniently accessed by `tcx.hir()`. |
58 | /// Avoid calling this query directly. | |
ba9703b0 XL |
59 | query index_hir(_: CrateNum) -> &'tcx map::IndexedHir<'tcx> { |
60 | eval_always | |
61 | no_hash | |
62 | desc { "index HIR" } | |
63 | } | |
64 | ||
1b1a35ee XL |
65 | /// The items in a module. |
66 | /// | |
67 | /// This can be conveniently accessed by `tcx.hir().visit_item_likes_in_module`. | |
68 | /// Avoid calling this query directly. | |
ba9703b0 XL |
69 | query hir_module_items(key: LocalDefId) -> &'tcx hir::ModuleItems { |
70 | eval_always | |
71 | desc { |tcx| "HIR module items in `{}`", tcx.def_path_str(key.to_def_id()) } | |
72 | } | |
73 | ||
1b1a35ee XL |
74 | /// Gives access to the HIR node for the HIR owner `key`. |
75 | /// | |
76 | /// This can be conveniently accessed by methods on `tcx.hir()`. | |
77 | /// Avoid calling this query directly. | |
ba9703b0 XL |
78 | query hir_owner(key: LocalDefId) -> Option<&'tcx crate::hir::Owner<'tcx>> { |
79 | eval_always | |
80 | desc { |tcx| "HIR owner of `{}`", tcx.def_path_str(key.to_def_id()) } | |
81 | } | |
82 | ||
1b1a35ee XL |
83 | /// Gives access to the HIR nodes and bodies inside the HIR owner `key`. |
84 | /// | |
85 | /// This can be conveniently accessed by methods on `tcx.hir()`. | |
86 | /// Avoid calling this query directly. | |
ba9703b0 XL |
87 | query hir_owner_nodes(key: LocalDefId) -> Option<&'tcx crate::hir::OwnerNodes<'tcx>> { |
88 | eval_always | |
89 | desc { |tcx| "HIR owner items in `{}`", tcx.def_path_str(key.to_def_id()) } | |
90 | } | |
91 | ||
3dfed10e XL |
92 | /// Computes the `DefId` of the corresponding const parameter in case the `key` is a |
93 | /// const argument and returns `None` otherwise. | |
94 | /// | |
29967ef6 | 95 | /// ```ignore (incomplete) |
3dfed10e XL |
96 | /// let a = foo::<7>(); |
97 | /// // ^ Calling `opt_const_param_of` for this argument, | |
98 | /// | |
99 | /// fn foo<const N: usize>() | |
100 | /// // ^ returns this `DefId`. | |
101 | /// | |
102 | /// fn bar() { | |
103 | /// // ^ While calling `opt_const_param_of` for other bodies returns `None`. | |
104 | /// } | |
105 | /// ``` | |
106 | // It looks like caching this query on disk actually slightly | |
107 | // worsened performance in #74376. | |
108 | // | |
109 | // Once const generics are more prevalently used, we might want to | |
110 | // consider only caching calls returning `Some`. | |
111 | query opt_const_param_of(key: LocalDefId) -> Option<DefId> { | |
112 | desc { |tcx| "computing the optional const parameter of `{}`", tcx.def_path_str(key.to_def_id()) } | |
113 | } | |
114 | ||
532ac7d7 XL |
115 | /// Records the type of every item. |
116 | query type_of(key: DefId) -> Ty<'tcx> { | |
f9f354fc | 117 | desc { |tcx| "computing type of `{}`", tcx.def_path_str(key) } |
dc9dc135 | 118 | cache_on_disk_if { key.is_local() } |
532ac7d7 XL |
119 | } |
120 | ||
74b04a01 XL |
121 | query analysis(key: CrateNum) -> Result<(), ErrorReported> { |
122 | eval_always | |
123 | desc { "running analysis passes on this crate" } | |
124 | } | |
125 | ||
532ac7d7 XL |
126 | /// Maps from the `DefId` of an item (trait/struct/enum/fn) to its |
127 | /// associated generics. | |
f9f354fc XL |
128 | query generics_of(key: DefId) -> ty::Generics { |
129 | desc { |tcx| "computing generics of `{}`", tcx.def_path_str(key) } | |
130 | storage(ArenaCacheSelector<'tcx>) | |
dc9dc135 | 131 | cache_on_disk_if { key.is_local() } |
532ac7d7 XL |
132 | load_cached(tcx, id) { |
133 | let generics: Option<ty::Generics> = tcx.queries.on_disk_cache | |
134 | .try_load_query_result(tcx, id); | |
f9f354fc | 135 | generics |
532ac7d7 XL |
136 | } |
137 | } | |
138 | ||
139 | /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the | |
140 | /// predicates (where-clauses) that must be proven true in order | |
141 | /// to reference it. This is almost always the "predicates query" | |
142 | /// that you want. | |
143 | /// | |
144 | /// `predicates_of` builds on `predicates_defined_on` -- in fact, | |
145 | /// it is almost always the same as that query, except for the | |
146 | /// case of traits. For traits, `predicates_of` contains | |
147 | /// an additional `Self: Trait<...>` predicate that users don't | |
148 | /// actually write. This reflects the fact that to invoke the | |
149 | /// trait (e.g., via `Default::default`) you must supply types | |
150 | /// that actually implement the trait. (However, this extra | |
151 | /// predicate gets in the way of some checks, which are intended | |
152 | /// to operate over only the actual where-clauses written by the | |
153 | /// user.) | |
e74abb32 | 154 | query predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> { |
f9f354fc | 155 | desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) } |
dc9dc135 XL |
156 | cache_on_disk_if { key.is_local() } |
157 | } | |
532ac7d7 | 158 | |
29967ef6 XL |
159 | /// Returns the list of bounds that can be used for |
160 | /// `SelectionCandidate::ProjectionCandidate(_)` and | |
f035d41b | 161 | /// `ProjectionTyCandidate::TraitDef`. |
29967ef6 XL |
162 | /// Specifically this is the bounds written on the trait's type |
163 | /// definition, or those after the `impl` keyword | |
f035d41b | 164 | /// |
29967ef6 | 165 | /// ```ignore (incomplete) |
f035d41b | 166 | /// type X: Bound + 'lt |
29967ef6 | 167 | /// // ^^^^^^^^^^^ |
f035d41b | 168 | /// impl Debug + Display |
29967ef6 XL |
169 | /// // ^^^^^^^^^^^^^^^ |
170 | /// ``` | |
f035d41b XL |
171 | /// |
172 | /// `key` is the `DefId` of the associated type or opaque type. | |
29967ef6 XL |
173 | /// |
174 | /// Bounds from the parent (e.g. with nested impl trait) are not included. | |
175 | query explicit_item_bounds(key: DefId) -> &'tcx [(ty::Predicate<'tcx>, Span)] { | |
176 | desc { |tcx| "finding item bounds for `{}`", tcx.def_path_str(key) } | |
177 | } | |
178 | ||
179 | /// Elaborated version of the predicates from `explicit_item_bounds`. | |
180 | /// | |
181 | /// For example: | |
182 | /// | |
183 | /// ``` | |
184 | /// trait MyTrait { | |
185 | /// type MyAType: Eq + ?Sized; | |
186 | /// } | |
187 | /// ``` | |
188 | /// | |
189 | /// `explicit_item_bounds` returns `[<Self as MyTrait>::MyAType: Eq]`, | |
190 | /// and `item_bounds` returns | |
191 | /// ```text | |
192 | /// [ | |
193 | /// <Self as Trait>::MyAType: Eq, | |
194 | /// <Self as Trait>::MyAType: PartialEq<<Self as Trait>::MyAType> | |
195 | /// ] | |
196 | /// ``` | |
197 | /// | |
198 | /// Bounds from the parent (e.g. with nested impl trait) are not included. | |
199 | query item_bounds(key: DefId) -> &'tcx ty::List<ty::Predicate<'tcx>> { | |
200 | desc { |tcx| "elaborating item bounds for `{}`", tcx.def_path_str(key) } | |
f035d41b XL |
201 | } |
202 | ||
1b1a35ee XL |
203 | query projection_ty_from_predicates(key: (DefId, DefId)) -> Option<ty::ProjectionTy<'tcx>> { |
204 | desc { |tcx| "finding projection type inside predicates of `{}`", tcx.def_path_str(key.0) } | |
205 | } | |
206 | ||
f9f354fc | 207 | query native_libraries(_: CrateNum) -> Lrc<Vec<NativeLib>> { |
532ac7d7 XL |
208 | desc { "looking up the native libraries of a linked crate" } |
209 | } | |
210 | ||
f9f354fc XL |
211 | query lint_levels(_: CrateNum) -> LintLevelMap { |
212 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
213 | eval_always |
214 | desc { "computing the lint levels for items in this crate" } | |
215 | } | |
74b04a01 | 216 | |
ba9703b0 | 217 | query parent_module_from_def_id(key: LocalDefId) -> LocalDefId { |
74b04a01 | 218 | eval_always |
ba9703b0 | 219 | desc { |tcx| "parent module of `{}`", tcx.def_path_str(key.to_def_id()) } |
74b04a01 | 220 | } |
29967ef6 XL |
221 | |
222 | /// Internal helper query. Use `tcx.expansion_that_defined` instead | |
223 | query expn_that_defined(key: DefId) -> rustc_span::ExpnId { | |
224 | desc { |tcx| "expansion that defined `{}`", tcx.def_path_str(key) } | |
225 | } | |
532ac7d7 XL |
226 | } |
227 | ||
228 | Codegen { | |
229 | query is_panic_runtime(_: CrateNum) -> bool { | |
230 | fatal_cycle | |
231 | desc { "checking if the crate is_panic_runtime" } | |
232 | } | |
233 | } | |
234 | ||
235 | Codegen { | |
236 | /// Set of all the `DefId`s in this crate that have MIR associated with | |
237 | /// them. This includes all the body owners, but also things like struct | |
238 | /// constructors. | |
f9f354fc XL |
239 | query mir_keys(_: CrateNum) -> FxHashSet<LocalDefId> { |
240 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
241 | desc { "getting a list of all mir_keys" } |
242 | } | |
243 | ||
dc9dc135 | 244 | /// Maps DefId's that have an associated `mir::Body` to the result |
60c5eb7d XL |
245 | /// of the MIR const-checking pass. This is the set of qualifs in |
246 | /// the final value of a `const`. | |
247 | query mir_const_qualif(key: DefId) -> mir::ConstQualifs { | |
e74abb32 | 248 | desc { |tcx| "const checking `{}`", tcx.def_path_str(key) } |
dc9dc135 | 249 | cache_on_disk_if { key.is_local() } |
532ac7d7 | 250 | } |
3dfed10e XL |
251 | query mir_const_qualif_const_arg( |
252 | key: (LocalDefId, DefId) | |
253 | ) -> mir::ConstQualifs { | |
254 | desc { | |
255 | |tcx| "const checking the const argument `{}`", | |
256 | tcx.def_path_str(key.0.to_def_id()) | |
257 | } | |
258 | } | |
532ac7d7 XL |
259 | |
260 | /// Fetch the MIR for a given `DefId` right after it's built - this includes | |
261 | /// unreachable code. | |
3dfed10e XL |
262 | query mir_built(key: ty::WithOptConstParam<LocalDefId>) -> &'tcx Steal<mir::Body<'tcx>> { |
263 | desc { |tcx| "building MIR for `{}`", tcx.def_path_str(key.did.to_def_id()) } | |
74b04a01 | 264 | } |
532ac7d7 XL |
265 | |
266 | /// Fetch the MIR for a given `DefId` up till the point where it is | |
f9f354fc | 267 | /// ready for const qualification. |
532ac7d7 XL |
268 | /// |
269 | /// See the README for the `mir` module for details. | |
3dfed10e XL |
270 | query mir_const(key: ty::WithOptConstParam<LocalDefId>) -> &'tcx Steal<mir::Body<'tcx>> { |
271 | desc { | |
272 | |tcx| "processing MIR for {}`{}`", | |
273 | if key.const_param_did.is_some() { "the const argument " } else { "" }, | |
274 | tcx.def_path_str(key.did.to_def_id()), | |
275 | } | |
532ac7d7 XL |
276 | no_hash |
277 | } | |
278 | ||
1b1a35ee XL |
279 | /// Try to build an abstract representation of the given constant. |
280 | query mir_abstract_const( | |
281 | key: DefId | |
282 | ) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> { | |
283 | desc { | |
284 | |tcx| "building an abstract representation for {}", tcx.def_path_str(key), | |
285 | } | |
286 | } | |
287 | /// Try to build an abstract representation of the given constant. | |
288 | query mir_abstract_const_of_const_arg( | |
289 | key: (LocalDefId, DefId) | |
290 | ) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> { | |
291 | desc { | |
292 | |tcx| | |
293 | "building an abstract representation for the const argument {}", | |
294 | tcx.def_path_str(key.0.to_def_id()), | |
295 | } | |
296 | } | |
297 | ||
298 | query try_unify_abstract_consts(key: ( | |
299 | (ty::WithOptConstParam<DefId>, SubstsRef<'tcx>), | |
300 | (ty::WithOptConstParam<DefId>, SubstsRef<'tcx>) | |
301 | )) -> bool { | |
302 | desc { | |
303 | |tcx| "trying to unify the generic constants {} and {}", | |
304 | tcx.def_path_str(key.0.0.did), tcx.def_path_str(key.1.0.did) | |
305 | } | |
306 | } | |
307 | ||
3dfed10e XL |
308 | query mir_drops_elaborated_and_const_checked( |
309 | key: ty::WithOptConstParam<LocalDefId> | |
310 | ) -> &'tcx Steal<mir::Body<'tcx>> { | |
f035d41b | 311 | no_hash |
3dfed10e | 312 | desc { |tcx| "elaborating drops for `{}`", tcx.def_path_str(key.did.to_def_id()) } |
f035d41b XL |
313 | } |
314 | ||
3dfed10e | 315 | query mir_promoted(key: ty::WithOptConstParam<LocalDefId>) -> |
e1599b0c | 316 | ( |
3dfed10e XL |
317 | &'tcx Steal<mir::Body<'tcx>>, |
318 | &'tcx Steal<IndexVec<mir::Promoted, mir::Body<'tcx>>> | |
e1599b0c | 319 | ) { |
532ac7d7 | 320 | no_hash |
3dfed10e XL |
321 | desc { |
322 | |tcx| "processing {}`{}`", | |
323 | if key.const_param_did.is_some() { "the const argument " } else { "" }, | |
324 | tcx.def_path_str(key.did.to_def_id()), | |
325 | } | |
532ac7d7 XL |
326 | } |
327 | ||
328 | /// MIR after our optimization passes have run. This is MIR that is ready | |
329 | /// for codegen. This is also the only query that can fetch non-local MIR, at present. | |
3dfed10e | 330 | query optimized_mir(key: DefId) -> &'tcx mir::Body<'tcx> { |
f9f354fc | 331 | desc { |tcx| "optimizing MIR for `{}`", tcx.def_path_str(key) } |
dc9dc135 | 332 | cache_on_disk_if { key.is_local() } |
532ac7d7 | 333 | } |
3dfed10e XL |
334 | query optimized_mir_of_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::Body<'tcx> { |
335 | desc { | |
336 | |tcx| "optimizing MIR for the const argument `{}`", | |
337 | tcx.def_path_str(key.0.to_def_id()) | |
338 | } | |
339 | } | |
416331ca | 340 | |
f035d41b XL |
341 | /// Returns coverage summary info for a function, after executing the `InstrumentCoverage` |
342 | /// MIR pass (assuming the -Zinstrument-coverage option is enabled). | |
343 | query coverageinfo(key: DefId) -> mir::CoverageInfo { | |
344 | desc { |tcx| "retrieving coverage info from MIR for `{}`", tcx.def_path_str(key) } | |
345 | storage(ArenaCacheSelector<'tcx>) | |
346 | cache_on_disk_if { key.is_local() } | |
347 | } | |
348 | ||
3dfed10e XL |
349 | /// The `DefId` is the `DefId` of the containing MIR body. Promoteds do not have their own |
350 | /// `DefId`. This function returns all promoteds in the specified body. The body references | |
351 | /// promoteds by the `DefId` and the `mir::Promoted` index. This is necessary, because | |
352 | /// after inlining a body may refer to promoteds from other bodies. In that case you still | |
353 | /// need to use the `DefId` of the original body. | |
354 | query promoted_mir(key: DefId) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> { | |
f9f354fc | 355 | desc { |tcx| "optimizing promoted MIR for `{}`", tcx.def_path_str(key) } |
e1599b0c | 356 | cache_on_disk_if { key.is_local() } |
e1599b0c | 357 | } |
3dfed10e XL |
358 | query promoted_mir_of_const_arg( |
359 | key: (LocalDefId, DefId) | |
360 | ) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> { | |
361 | desc { | |
362 | |tcx| "optimizing promoted MIR for the const argument `{}`", | |
363 | tcx.def_path_str(key.0.to_def_id()), | |
364 | } | |
365 | } | |
532ac7d7 XL |
366 | } |
367 | ||
368 | TypeChecking { | |
1b1a35ee XL |
369 | /// Erases regions from `ty` to yield a new type. |
370 | /// Normally you would just use `tcx.erase_regions(&value)`, | |
371 | /// however, which uses this query as a kind of cache. | |
532ac7d7 XL |
372 | query erase_regions_ty(ty: Ty<'tcx>) -> Ty<'tcx> { |
373 | // This query is not expected to have input -- as a result, it | |
374 | // is not a good candidates for "replay" because it is essentially a | |
375 | // pure function of its input (and hence the expectation is that | |
376 | // no caller would be green **apart** from just these | |
377 | // queries). Making it anonymous avoids hashing the result, which | |
378 | // may save a bit of time. | |
379 | anon | |
532ac7d7 XL |
380 | desc { "erasing regions from `{:?}`", ty } |
381 | } | |
532ac7d7 XL |
382 | } |
383 | ||
384 | Linking { | |
f9f354fc XL |
385 | query wasm_import_module_map(_: CrateNum) -> FxHashMap<DefId, String> { |
386 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
387 | desc { "wasm import module map" } |
388 | } | |
389 | } | |
390 | ||
391 | Other { | |
392 | /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the | |
393 | /// predicates (where-clauses) directly defined on it. This is | |
394 | /// equal to the `explicit_predicates_of` predicates plus the | |
395 | /// `inferred_outlives_of` predicates. | |
f9f354fc XL |
396 | query predicates_defined_on(key: DefId) -> ty::GenericPredicates<'tcx> { |
397 | desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) } | |
398 | } | |
532ac7d7 | 399 | |
29967ef6 XL |
400 | /// Returns everything that looks like a predicate written explicitly |
401 | /// by the user on a trait item. | |
402 | /// | |
403 | /// Traits are unusual, because predicates on associated types are | |
404 | /// converted into bounds on that type for backwards compatibility: | |
405 | /// | |
406 | /// trait X where Self::U: Copy { type U; } | |
407 | /// | |
408 | /// becomes | |
409 | /// | |
410 | /// trait X { type U: Copy; } | |
411 | /// | |
412 | /// `explicit_predicates_of` and `explicit_item_bounds` will then take | |
413 | /// the appropriate subsets of the predicates here. | |
414 | query trait_explicit_predicates_and_bounds(key: LocalDefId) -> ty::GenericPredicates<'tcx> { | |
415 | desc { |tcx| "computing explicit predicates of trait `{}`", tcx.def_path_str(key.to_def_id()) } | |
416 | } | |
417 | ||
dc9dc135 | 418 | /// Returns the predicates written explicitly by the user. |
f9f354fc XL |
419 | query explicit_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> { |
420 | desc { |tcx| "computing explicit predicates of `{}`", tcx.def_path_str(key) } | |
421 | } | |
532ac7d7 XL |
422 | |
423 | /// Returns the inferred outlives predicates (e.g., for `struct | |
424 | /// Foo<'a, T> { x: &'a T }`, this would return `T: 'a`). | |
f9f354fc XL |
425 | query inferred_outlives_of(key: DefId) -> &'tcx [(ty::Predicate<'tcx>, Span)] { |
426 | desc { |tcx| "computing inferred outlives predicates of `{}`", tcx.def_path_str(key) } | |
427 | } | |
532ac7d7 XL |
428 | |
429 | /// Maps from the `DefId` of a trait to the list of | |
430 | /// super-predicates. This is a subset of the full list of | |
431 | /// predicates. We store these in a separate map because we must | |
432 | /// evaluate them even during type conversion, often before the | |
433 | /// full predicates are available (note that supertraits have | |
434 | /// additional acyclicity requirements). | |
e74abb32 | 435 | query super_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> { |
532ac7d7 XL |
436 | desc { |tcx| "computing the supertraits of `{}`", tcx.def_path_str(key) } |
437 | } | |
438 | ||
439 | /// To avoid cycles within the predicates of a single item we compute | |
440 | /// per-type-parameter predicates for resolving `T::AssocTy`. | |
f9f354fc | 441 | query type_param_predicates(key: (DefId, LocalDefId)) -> ty::GenericPredicates<'tcx> { |
532ac7d7 | 442 | desc { |tcx| "computing the bounds for type parameter `{}`", { |
3dfed10e | 443 | let id = tcx.hir().local_def_id_to_hir_id(key.1); |
532ac7d7 XL |
444 | tcx.hir().ty_param_name(id) |
445 | }} | |
446 | } | |
447 | ||
f9f354fc XL |
448 | query trait_def(key: DefId) -> ty::TraitDef { |
449 | desc { |tcx| "computing trait definition for `{}`", tcx.def_path_str(key) } | |
450 | storage(ArenaCacheSelector<'tcx>) | |
451 | } | |
452 | query adt_def(key: DefId) -> &'tcx ty::AdtDef { | |
453 | desc { |tcx| "computing ADT definition for `{}`", tcx.def_path_str(key) } | |
454 | } | |
455 | query adt_destructor(key: DefId) -> Option<ty::Destructor> { | |
456 | desc { |tcx| "computing `Drop` impl for `{}`", tcx.def_path_str(key) } | |
457 | } | |
532ac7d7 XL |
458 | |
459 | // The cycle error here should be reported as an error by `check_representable`. | |
460 | // We consider the type as Sized in the meanwhile to avoid | |
461 | // further errors (done in impl Value for AdtSizedConstraint). | |
462 | // Use `cycle_delay_bug` to delay the cycle error here to be emitted later | |
463 | // in case we accidentally otherwise don't emit an error. | |
464 | query adt_sized_constraint( | |
f9f354fc | 465 | key: DefId |
532ac7d7 | 466 | ) -> AdtSizedConstraint<'tcx> { |
f9f354fc | 467 | desc { |tcx| "computing `Sized` constraints for `{}`", tcx.def_path_str(key) } |
532ac7d7 XL |
468 | cycle_delay_bug |
469 | } | |
470 | ||
471 | query adt_dtorck_constraint( | |
f9f354fc XL |
472 | key: DefId |
473 | ) -> Result<DtorckConstraint<'tcx>, NoSolution> { | |
474 | desc { |tcx| "computing drop-check constraints for `{}`", tcx.def_path_str(key) } | |
475 | } | |
532ac7d7 | 476 | |
dc9dc135 XL |
477 | /// Returns `true` if this is a const fn, use the `is_const_fn` to know whether your crate |
478 | /// actually sees it as const fn (e.g., the const-fn-ness might be unstable and you might | |
479 | /// not have the feature gate active). | |
532ac7d7 XL |
480 | /// |
481 | /// **Do not call this function manually.** It is only meant to cache the base data for the | |
482 | /// `is_const_fn` function. | |
483 | query is_const_fn_raw(key: DefId) -> bool { | |
484 | desc { |tcx| "checking if item is const fn: `{}`", tcx.def_path_str(key) } | |
485 | } | |
486 | ||
74b04a01 XL |
487 | /// Returns `true` if this is a const `impl`. **Do not call this function manually.** |
488 | /// | |
489 | /// This query caches the base data for the `is_const_impl` helper function, which also | |
490 | /// takes into account stability attributes (e.g., `#[rustc_const_unstable]`). | |
491 | query is_const_impl_raw(key: DefId) -> bool { | |
492 | desc { |tcx| "checking if item is const impl: `{}`", tcx.def_path_str(key) } | |
493 | } | |
494 | ||
e1599b0c XL |
495 | query asyncness(key: DefId) -> hir::IsAsync { |
496 | desc { |tcx| "checking if the function is async: `{}`", tcx.def_path_str(key) } | |
497 | } | |
498 | ||
dc9dc135 | 499 | /// Returns `true` if calls to the function may be promoted. |
532ac7d7 XL |
500 | /// |
501 | /// This is either because the function is e.g., a tuple-struct or tuple-variant | |
502 | /// constructor, or because it has the `#[rustc_promotable]` attribute. The attribute should | |
503 | /// be removed in the future in favour of some form of check which figures out whether the | |
504 | /// function does not inspect the bits of any of its arguments (so is essentially just a | |
505 | /// constructor function). | |
f9f354fc XL |
506 | query is_promotable_const_fn(key: DefId) -> bool { |
507 | desc { |tcx| "checking if item is promotable: `{}`", tcx.def_path_str(key) } | |
508 | } | |
532ac7d7 | 509 | |
dc9dc135 | 510 | /// Returns `true` if this is a foreign item (i.e., linked via `extern { ... }`). |
f9f354fc XL |
511 | query is_foreign_item(key: DefId) -> bool { |
512 | desc { |tcx| "checking if `{}` is a foreign item", tcx.def_path_str(key) } | |
513 | } | |
532ac7d7 | 514 | |
48663c56 | 515 | /// Returns `Some(mutability)` if the node pointed to by `def_id` is a static item. |
f9f354fc XL |
516 | query static_mutability(def_id: DefId) -> Option<hir::Mutability> { |
517 | desc { |tcx| "looking up static mutability of `{}`", tcx.def_path_str(def_id) } | |
518 | } | |
48663c56 | 519 | |
74b04a01 | 520 | /// Returns `Some(generator_kind)` if the node pointed to by `def_id` is a generator. |
f9f354fc XL |
521 | query generator_kind(def_id: DefId) -> Option<hir::GeneratorKind> { |
522 | desc { |tcx| "looking up generator kind of `{}`", tcx.def_path_str(def_id) } | |
523 | } | |
74b04a01 | 524 | |
dc9dc135 | 525 | /// Gets a map with the variance of every item; use `item_variance` instead. |
f9f354fc XL |
526 | query crate_variances(_: CrateNum) -> ty::CrateVariancesMap<'tcx> { |
527 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
528 | desc { "computing the variances for items in this crate" } |
529 | } | |
530 | ||
dc9dc135 | 531 | /// Maps from the `DefId` of a type or region parameter to its (inferred) variance. |
f9f354fc XL |
532 | query variances_of(def_id: DefId) -> &'tcx [ty::Variance] { |
533 | desc { |tcx| "computing the variances of `{}`", tcx.def_path_str(def_id) } | |
534 | } | |
532ac7d7 XL |
535 | } |
536 | ||
537 | TypeChecking { | |
dc9dc135 | 538 | /// Maps from thee `DefId` of a type to its (inferred) outlives. |
532ac7d7 | 539 | query inferred_outlives_crate(_: CrateNum) |
f9f354fc XL |
540 | -> ty::CratePredicatesMap<'tcx> { |
541 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
542 | desc { "computing the inferred outlives predicates for items in this crate" } |
543 | } | |
544 | } | |
545 | ||
546 | Other { | |
dc9dc135 | 547 | /// Maps from an impl/trait `DefId to a list of the `DefId`s of its items. |
f9f354fc XL |
548 | query associated_item_def_ids(key: DefId) -> &'tcx [DefId] { |
549 | desc { |tcx| "collecting associated items of `{}`", tcx.def_path_str(key) } | |
550 | } | |
532ac7d7 | 551 | |
dc9dc135 | 552 | /// Maps from a trait item to the trait item "descriptor". |
f9f354fc XL |
553 | query associated_item(key: DefId) -> ty::AssocItem { |
554 | desc { |tcx| "computing associated item data for `{}`", tcx.def_path_str(key) } | |
555 | storage(ArenaCacheSelector<'tcx>) | |
556 | } | |
532ac7d7 | 557 | |
74b04a01 | 558 | /// Collects the associated items defined on a trait or impl. |
f9f354fc XL |
559 | query associated_items(key: DefId) -> ty::AssociatedItems<'tcx> { |
560 | storage(ArenaCacheSelector<'tcx>) | |
74b04a01 XL |
561 | desc { |tcx| "collecting associated items of {}", tcx.def_path_str(key) } |
562 | } | |
563 | ||
f9f354fc XL |
564 | query impl_trait_ref(key: DefId) -> Option<ty::TraitRef<'tcx>> { |
565 | desc { |tcx| "computing trait implemented by `{}`", tcx.def_path_str(key) } | |
566 | } | |
567 | query impl_polarity(key: DefId) -> ty::ImplPolarity { | |
568 | desc { |tcx| "computing implementation polarity of `{}`", tcx.def_path_str(key) } | |
569 | } | |
532ac7d7 | 570 | |
f9f354fc XL |
571 | query issue33140_self_ty(key: DefId) -> Option<ty::Ty<'tcx>> { |
572 | desc { |tcx| "computing Self type wrt issue #33140 `{}`", tcx.def_path_str(key) } | |
573 | } | |
532ac7d7 XL |
574 | } |
575 | ||
576 | TypeChecking { | |
dc9dc135 | 577 | /// Maps a `DefId` of a type to a list of its inherent impls. |
532ac7d7 XL |
578 | /// Contains implementations of methods that are inherent to a type. |
579 | /// Methods in these implementations don't need to be exported. | |
f9f354fc XL |
580 | query inherent_impls(key: DefId) -> &'tcx [DefId] { |
581 | desc { |tcx| "collecting inherent impls for `{}`", tcx.def_path_str(key) } | |
532ac7d7 XL |
582 | eval_always |
583 | } | |
584 | } | |
585 | ||
586 | TypeChecking { | |
3dfed10e XL |
587 | /// The result of unsafety-checking this `LocalDefId`. |
588 | query unsafety_check_result(key: LocalDefId) -> &'tcx mir::UnsafetyCheckResult { | |
f9f354fc XL |
589 | desc { |tcx| "unsafety-checking `{}`", tcx.def_path_str(key.to_def_id()) } |
590 | cache_on_disk_if { true } | |
3dfed10e XL |
591 | } |
592 | query unsafety_check_result_for_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::UnsafetyCheckResult { | |
593 | desc { | |
594 | |tcx| "unsafety-checking the const argument `{}`", | |
595 | tcx.def_path_str(key.0.to_def_id()) | |
596 | } | |
dc9dc135 | 597 | } |
532ac7d7 | 598 | |
f9f354fc XL |
599 | /// HACK: when evaluated, this reports a "unsafe derive on repr(packed)" error. |
600 | /// | |
601 | /// Unsafety checking is executed for each method separately, but we only want | |
602 | /// to emit this error once per derive. As there are some impls with multiple | |
603 | /// methods, we use a query for deduplication. | |
604 | query unsafe_derive_on_repr_packed(key: LocalDefId) -> () { | |
605 | desc { |tcx| "processing `{}`", tcx.def_path_str(key.to_def_id()) } | |
606 | } | |
532ac7d7 | 607 | |
f9f354fc XL |
608 | /// The signature of functions. |
609 | query fn_sig(key: DefId) -> ty::PolyFnSig<'tcx> { | |
610 | desc { |tcx| "computing function signature of `{}`", tcx.def_path_str(key) } | |
611 | } | |
532ac7d7 XL |
612 | } |
613 | ||
614 | Other { | |
f9f354fc | 615 | query lint_mod(key: LocalDefId) -> () { |
f035d41b | 616 | desc { |tcx| "linting {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
617 | } |
618 | ||
dc9dc135 | 619 | /// Checks the attributes in the module. |
f035d41b | 620 | query check_mod_attrs(key: LocalDefId) -> () { |
dfeec247 | 621 | desc { |tcx| "checking attributes in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
622 | } |
623 | ||
f035d41b | 624 | query check_mod_unstable_api_usage(key: LocalDefId) -> () { |
dfeec247 | 625 | desc { |tcx| "checking for unstable API usage in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
626 | } |
627 | ||
60c5eb7d | 628 | /// Checks the const bodies in the module for illegal operations (e.g. `if` or `loop`). |
f035d41b | 629 | query check_mod_const_bodies(key: LocalDefId) -> () { |
dfeec247 | 630 | desc { |tcx| "checking consts in {}", describe_as_module(key, tcx) } |
60c5eb7d XL |
631 | } |
632 | ||
dc9dc135 | 633 | /// Checks the loops in the module. |
f035d41b | 634 | query check_mod_loops(key: LocalDefId) -> () { |
dfeec247 | 635 | desc { |tcx| "checking loops in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
636 | } |
637 | ||
f035d41b | 638 | query check_mod_item_types(key: LocalDefId) -> () { |
dfeec247 | 639 | desc { |tcx| "checking item types in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
640 | } |
641 | ||
f9f354fc | 642 | query check_mod_privacy(key: LocalDefId) -> () { |
f035d41b | 643 | desc { |tcx| "checking privacy in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
644 | } |
645 | ||
f035d41b | 646 | query check_mod_intrinsics(key: LocalDefId) -> () { |
dfeec247 | 647 | desc { |tcx| "checking intrinsics in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
648 | } |
649 | ||
f035d41b | 650 | query check_mod_liveness(key: LocalDefId) -> () { |
dfeec247 | 651 | desc { |tcx| "checking liveness of variables in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
652 | } |
653 | ||
f035d41b | 654 | query check_mod_impl_wf(key: LocalDefId) -> () { |
dfeec247 | 655 | desc { |tcx| "checking that impls are well-formed in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
656 | } |
657 | ||
f035d41b | 658 | query collect_mod_item_types(key: LocalDefId) -> () { |
dfeec247 | 659 | desc { |tcx| "collecting item types in {}", describe_as_module(key, tcx) } |
532ac7d7 XL |
660 | } |
661 | ||
dc9dc135 | 662 | /// Caches `CoerceUnsized` kinds for impls on custom types. |
f9f354fc XL |
663 | query coerce_unsized_info(key: DefId) |
664 | -> ty::adjustment::CoerceUnsizedInfo { | |
665 | desc { |tcx| "computing CoerceUnsized info for `{}`", tcx.def_path_str(key) } | |
666 | } | |
532ac7d7 XL |
667 | } |
668 | ||
669 | TypeChecking { | |
670 | query typeck_item_bodies(_: CrateNum) -> () { | |
671 | desc { "type-checking all item bodies" } | |
672 | } | |
673 | ||
3dfed10e | 674 | query typeck(key: LocalDefId) -> &'tcx ty::TypeckResults<'tcx> { |
f9f354fc XL |
675 | desc { |tcx| "type-checking `{}`", tcx.def_path_str(key.to_def_id()) } |
676 | cache_on_disk_if { true } | |
532ac7d7 | 677 | } |
3dfed10e XL |
678 | query typeck_const_arg( |
679 | key: (LocalDefId, DefId) | |
680 | ) -> &'tcx ty::TypeckResults<'tcx> { | |
681 | desc { | |
682 | |tcx| "type-checking the const argument `{}`", | |
683 | tcx.def_path_str(key.0.to_def_id()), | |
684 | } | |
685 | } | |
686 | query diagnostic_only_typeck(key: LocalDefId) -> &'tcx ty::TypeckResults<'tcx> { | |
f9f354fc XL |
687 | desc { |tcx| "type-checking `{}`", tcx.def_path_str(key.to_def_id()) } |
688 | cache_on_disk_if { true } | |
dfeec247 | 689 | load_cached(tcx, id) { |
3dfed10e | 690 | let typeck_results: Option<ty::TypeckResults<'tcx>> = tcx |
dfeec247 XL |
691 | .queries.on_disk_cache |
692 | .try_load_query_result(tcx, id); | |
693 | ||
3dfed10e | 694 | typeck_results.map(|x| &*tcx.arena.alloc(x)) |
dfeec247 XL |
695 | } |
696 | } | |
532ac7d7 XL |
697 | } |
698 | ||
699 | Other { | |
f035d41b | 700 | query used_trait_imports(key: LocalDefId) -> &'tcx FxHashSet<LocalDefId> { |
f9f354fc XL |
701 | desc { |tcx| "used_trait_imports `{}`", tcx.def_path_str(key.to_def_id()) } |
702 | cache_on_disk_if { true } | |
dc9dc135 | 703 | } |
532ac7d7 XL |
704 | } |
705 | ||
706 | TypeChecking { | |
3dfed10e | 707 | query has_typeck_results(def_id: DefId) -> bool { |
f9f354fc XL |
708 | desc { |tcx| "checking whether `{}` has a body", tcx.def_path_str(def_id) } |
709 | } | |
532ac7d7 XL |
710 | |
711 | query coherent_trait(def_id: DefId) -> () { | |
712 | desc { |tcx| "coherence checking all impls of trait `{}`", tcx.def_path_str(def_id) } | |
713 | } | |
714 | } | |
715 | ||
716 | BorrowChecking { | |
dc9dc135 | 717 | /// Borrow-checks the function body. If this is a closure, returns |
532ac7d7 | 718 | /// additional requirements that the closure's creator must verify. |
3dfed10e | 719 | query mir_borrowck(key: LocalDefId) -> &'tcx mir::BorrowCheckResult<'tcx> { |
f9f354fc | 720 | desc { |tcx| "borrow-checking `{}`", tcx.def_path_str(key.to_def_id()) } |
74b04a01 | 721 | cache_on_disk_if(tcx, opt_result) { |
f9f354fc XL |
722 | tcx.is_closure(key.to_def_id()) |
723 | || opt_result.map_or(false, |r| !r.concrete_opaque_types.is_empty()) | |
74b04a01 | 724 | } |
dc9dc135 | 725 | } |
3dfed10e XL |
726 | query mir_borrowck_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::BorrowCheckResult<'tcx> { |
727 | desc { | |
728 | |tcx| "borrow-checking the const argument`{}`", | |
729 | tcx.def_path_str(key.0.to_def_id()) | |
730 | } | |
731 | } | |
532ac7d7 XL |
732 | } |
733 | ||
734 | TypeChecking { | |
735 | /// Gets a complete map from all types to their inherent impls. | |
736 | /// Not meant to be used directly outside of coherence. | |
737 | /// (Defined only for `LOCAL_CRATE`.) | |
738 | query crate_inherent_impls(k: CrateNum) | |
f9f354fc XL |
739 | -> CrateInherentImpls { |
740 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
741 | eval_always |
742 | desc { "all inherent impls defined in crate `{:?}`", k } | |
743 | } | |
744 | ||
745 | /// Checks all types in the crate for overlap in their inherent impls. Reports errors. | |
746 | /// Not meant to be used directly outside of coherence. | |
747 | /// (Defined only for `LOCAL_CRATE`.) | |
748 | query crate_inherent_impls_overlap_check(_: CrateNum) | |
749 | -> () { | |
750 | eval_always | |
751 | desc { "check for overlap between inherent impls defined in this crate" } | |
752 | } | |
753 | } | |
754 | ||
755 | Other { | |
1b1a35ee | 756 | /// Evaluates a constant and returns the computed allocation. |
532ac7d7 | 757 | /// |
1b1a35ee XL |
758 | /// **Do not use this** directly, use the `tcx.eval_static_initializer` wrapper. |
759 | query eval_to_allocation_raw(key: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>) | |
760 | -> EvalToAllocationRawResult<'tcx> { | |
532ac7d7 | 761 | desc { |tcx| |
1b1a35ee | 762 | "const-evaluating + checking `{}`", |
3dfed10e | 763 | key.value.display(tcx) |
532ac7d7 | 764 | } |
1b1a35ee | 765 | cache_on_disk_if { true } |
532ac7d7 XL |
766 | } |
767 | ||
1b1a35ee XL |
768 | /// Evaluates const items or anonymous constants |
769 | /// (such as enum variant explicit discriminants or array lengths) | |
770 | /// into a representation suitable for the type system and const generics. | |
dfeec247 XL |
771 | /// |
772 | /// **Do not use this** directly, use one of the following wrappers: `tcx.const_eval_poly`, | |
74b04a01 | 773 | /// `tcx.const_eval_resolve`, `tcx.const_eval_instance`, or `tcx.const_eval_global_id`. |
1b1a35ee XL |
774 | query eval_to_const_value_raw(key: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>) |
775 | -> EvalToConstValueResult<'tcx> { | |
532ac7d7 | 776 | desc { |tcx| |
1b1a35ee | 777 | "simplifying constant for the type system `{}`", |
3dfed10e | 778 | key.value.display(tcx) |
532ac7d7 | 779 | } |
1b1a35ee | 780 | cache_on_disk_if { true } |
532ac7d7 | 781 | } |
dc9dc135 | 782 | |
ba9703b0 | 783 | /// Destructure a constant ADT or array into its variant index and its |
dfeec247 XL |
784 | /// field values. |
785 | query destructure_const( | |
786 | key: ty::ParamEnvAnd<'tcx, &'tcx ty::Const<'tcx>> | |
787 | ) -> mir::DestructuredConst<'tcx> { | |
dfeec247 XL |
788 | desc { "destructure constant" } |
789 | } | |
790 | ||
1b1a35ee XL |
791 | /// Dereference a constant reference or raw pointer and turn the result into a constant |
792 | /// again. | |
793 | query deref_const( | |
794 | key: ty::ParamEnvAnd<'tcx, &'tcx ty::Const<'tcx>> | |
795 | ) -> &'tcx ty::Const<'tcx> { | |
796 | desc { "deref constant" } | |
797 | } | |
798 | ||
74b04a01 | 799 | query const_caller_location(key: (rustc_span::Symbol, u32, u32)) -> ConstValue<'tcx> { |
e74abb32 XL |
800 | desc { "get a &core::panic::Location referring to a span" } |
801 | } | |
dfeec247 XL |
802 | |
803 | query lit_to_const( | |
804 | key: LitToConstInput<'tcx> | |
805 | ) -> Result<&'tcx ty::Const<'tcx>, LitToConstError> { | |
dfeec247 XL |
806 | desc { "converting literal to const" } |
807 | } | |
532ac7d7 XL |
808 | } |
809 | ||
810 | TypeChecking { | |
e74abb32 | 811 | query check_match(key: DefId) { |
f9f354fc | 812 | desc { |tcx| "match-checking `{}`", tcx.def_path_str(key) } |
dc9dc135 XL |
813 | cache_on_disk_if { key.is_local() } |
814 | } | |
532ac7d7 XL |
815 | |
816 | /// Performs part of the privacy check and computes "access levels". | |
dc9dc135 | 817 | query privacy_access_levels(_: CrateNum) -> &'tcx AccessLevels { |
532ac7d7 XL |
818 | eval_always |
819 | desc { "privacy access levels" } | |
820 | } | |
821 | query check_private_in_public(_: CrateNum) -> () { | |
822 | eval_always | |
823 | desc { "checking for private elements in public interfaces" } | |
824 | } | |
825 | } | |
826 | ||
827 | Other { | |
3dfed10e XL |
828 | query reachable_set(_: CrateNum) -> FxHashSet<LocalDefId> { |
829 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
830 | desc { "reachability" } |
831 | } | |
832 | ||
833 | /// Per-body `region::ScopeTree`. The `DefId` should be the owner `DefId` for the body; | |
834 | /// in the case of closures, this will be redirected to the enclosing function. | |
f9f354fc XL |
835 | query region_scope_tree(def_id: DefId) -> &'tcx region::ScopeTree { |
836 | desc { |tcx| "computing drop scopes for `{}`", tcx.def_path_str(def_id) } | |
837 | } | |
532ac7d7 | 838 | |
f9f354fc XL |
839 | query mir_shims(key: ty::InstanceDef<'tcx>) -> mir::Body<'tcx> { |
840 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
841 | desc { |tcx| "generating MIR shim for `{}`", tcx.def_path_str(key.def_id()) } |
842 | } | |
843 | ||
dfeec247 XL |
844 | /// The `symbol_name` query provides the symbol name for calling a |
845 | /// given instance from the local crate. In particular, it will also | |
846 | /// look up the correct symbol name of instances from upstream crates. | |
3dfed10e | 847 | query symbol_name(key: ty::Instance<'tcx>) -> ty::SymbolName<'tcx> { |
532ac7d7 | 848 | desc { "computing the symbol for `{}`", key } |
dc9dc135 | 849 | cache_on_disk_if { true } |
532ac7d7 XL |
850 | } |
851 | ||
f9f354fc XL |
852 | query def_kind(def_id: DefId) -> DefKind { |
853 | desc { |tcx| "looking up definition kind of `{}`", tcx.def_path_str(def_id) } | |
854 | } | |
855 | query def_span(def_id: DefId) -> Span { | |
856 | desc { |tcx| "looking up span for `{}`", tcx.def_path_str(def_id) } | |
532ac7d7 XL |
857 | // FIXME(mw): DefSpans are not really inputs since they are derived from |
858 | // HIR. But at the moment HIR hashing still contains some hacks that allow | |
859 | // to make type debuginfo to be source location independent. Declaring | |
860 | // DefSpan an input makes sure that changes to these are always detected | |
861 | // regardless of HIR hashing. | |
862 | eval_always | |
863 | } | |
f9f354fc XL |
864 | query lookup_stability(def_id: DefId) -> Option<&'tcx attr::Stability> { |
865 | desc { |tcx| "looking up stability of `{}`", tcx.def_path_str(def_id) } | |
866 | } | |
867 | query lookup_const_stability(def_id: DefId) -> Option<&'tcx attr::ConstStability> { | |
868 | desc { |tcx| "looking up const stability of `{}`", tcx.def_path_str(def_id) } | |
869 | } | |
870 | query lookup_deprecation_entry(def_id: DefId) -> Option<DeprecationEntry> { | |
871 | desc { |tcx| "checking whether `{}` is deprecated", tcx.def_path_str(def_id) } | |
872 | } | |
873 | query item_attrs(def_id: DefId) -> &'tcx [ast::Attribute] { | |
874 | desc { |tcx| "collecting attributes of `{}`", tcx.def_path_str(def_id) } | |
875 | } | |
532ac7d7 XL |
876 | } |
877 | ||
878 | Codegen { | |
f9f354fc XL |
879 | query codegen_fn_attrs(def_id: DefId) -> CodegenFnAttrs { |
880 | desc { |tcx| "computing codegen attributes of `{}`", tcx.def_path_str(def_id) } | |
881 | storage(ArenaCacheSelector<'tcx>) | |
dc9dc135 XL |
882 | cache_on_disk_if { true } |
883 | } | |
532ac7d7 XL |
884 | } |
885 | ||
886 | Other { | |
f035d41b | 887 | query fn_arg_names(def_id: DefId) -> &'tcx [rustc_span::symbol::Ident] { |
f9f354fc XL |
888 | desc { |tcx| "looking up function parameter names for `{}`", tcx.def_path_str(def_id) } |
889 | } | |
532ac7d7 XL |
890 | /// Gets the rendered value of the specified constant or associated constant. |
891 | /// Used by rustdoc. | |
f9f354fc XL |
892 | query rendered_const(def_id: DefId) -> String { |
893 | desc { |tcx| "rendering constant intializer of `{}`", tcx.def_path_str(def_id) } | |
894 | } | |
895 | query impl_parent(def_id: DefId) -> Option<DefId> { | |
896 | desc { |tcx| "computing specialization parent impl of `{}`", tcx.def_path_str(def_id) } | |
897 | } | |
532ac7d7 XL |
898 | } |
899 | ||
900 | TypeChecking { | |
f9f354fc XL |
901 | query trait_of_item(def_id: DefId) -> Option<DefId> { |
902 | desc { |tcx| "finding trait defining `{}`", tcx.def_path_str(def_id) } | |
903 | } | |
532ac7d7 XL |
904 | } |
905 | ||
906 | Codegen { | |
907 | query is_mir_available(key: DefId) -> bool { | |
908 | desc { |tcx| "checking if item has mir available: `{}`", tcx.def_path_str(key) } | |
909 | } | |
910 | } | |
911 | ||
912 | Other { | |
913 | query vtable_methods(key: ty::PolyTraitRef<'tcx>) | |
48663c56 | 914 | -> &'tcx [Option<(DefId, SubstsRef<'tcx>)>] { |
532ac7d7 XL |
915 | desc { |tcx| "finding all methods for trait {}", tcx.def_path_str(key.def_id()) } |
916 | } | |
917 | } | |
918 | ||
919 | Codegen { | |
920 | query codegen_fulfill_obligation( | |
921 | key: (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>) | |
f035d41b | 922 | ) -> Result<ImplSource<'tcx, ()>, ErrorReported> { |
dc9dc135 | 923 | cache_on_disk_if { true } |
532ac7d7 XL |
924 | desc { |tcx| |
925 | "checking if `{}` fulfills its obligations", | |
926 | tcx.def_path_str(key.1.def_id()) | |
927 | } | |
928 | } | |
929 | } | |
930 | ||
931 | TypeChecking { | |
ba9703b0 XL |
932 | query all_local_trait_impls(key: CrateNum) -> &'tcx BTreeMap<DefId, Vec<hir::HirId>> { |
933 | desc { "local trait impls" } | |
934 | } | |
f9f354fc XL |
935 | query trait_impls_of(key: DefId) -> ty::trait_def::TraitImpls { |
936 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
937 | desc { |tcx| "trait impls of `{}`", tcx.def_path_str(key) } |
938 | } | |
f9f354fc XL |
939 | query specialization_graph_of(key: DefId) -> specialization_graph::Graph { |
940 | storage(ArenaCacheSelector<'tcx>) | |
74b04a01 | 941 | desc { |tcx| "building specialization graph of trait `{}`", tcx.def_path_str(key) } |
dc9dc135 XL |
942 | cache_on_disk_if { true } |
943 | } | |
ba9703b0 | 944 | query object_safety_violations(key: DefId) -> &'tcx [traits::ObjectSafetyViolation] { |
532ac7d7 XL |
945 | desc { |tcx| "determine object safety of trait `{}`", tcx.def_path_str(key) } |
946 | } | |
947 | ||
948 | /// Gets the ParameterEnvironment for a given item; this environment | |
f9f354fc | 949 | /// will be in "user-facing" mode, meaning that it is suitable for |
532ac7d7 XL |
950 | /// type-checking etc, and it does not normalize specializable |
951 | /// associated types. This is almost always what you want, | |
952 | /// unless you are doing MIR optimizations, in which case you | |
f9f354fc XL |
953 | query param_env(def_id: DefId) -> ty::ParamEnv<'tcx> { |
954 | desc { |tcx| "computing normalized predicates of `{}`", tcx.def_path_str(def_id) } | |
955 | } | |
532ac7d7 | 956 | |
3dfed10e XL |
957 | /// Like `param_env`, but returns the `ParamEnv in `Reveal::All` mode. |
958 | /// Prefer this over `tcx.param_env(def_id).with_reveal_all_normalized(tcx)`, | |
959 | /// as this method is more efficient. | |
960 | query param_env_reveal_all_normalized(def_id: DefId) -> ty::ParamEnv<'tcx> { | |
961 | desc { |tcx| "computing revealed normalized predicates of `{}`", tcx.def_path_str(def_id) } | |
962 | } | |
963 | ||
532ac7d7 XL |
964 | /// Trait selection queries. These are best used by invoking `ty.is_copy_modulo_regions()`, |
965 | /// `ty.is_copy()`, etc, since that will prune the environment where possible. | |
966 | query is_copy_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { | |
532ac7d7 XL |
967 | desc { "computing whether `{}` is `Copy`", env.value } |
968 | } | |
74b04a01 | 969 | /// Query backing `TyS::is_sized`. |
532ac7d7 | 970 | query is_sized_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { |
532ac7d7 XL |
971 | desc { "computing whether `{}` is `Sized`", env.value } |
972 | } | |
74b04a01 | 973 | /// Query backing `TyS::is_freeze`. |
532ac7d7 | 974 | query is_freeze_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { |
532ac7d7 XL |
975 | desc { "computing whether `{}` is freeze", env.value } |
976 | } | |
74b04a01 XL |
977 | /// Query backing `TyS::needs_drop`. |
978 | query needs_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { | |
532ac7d7 XL |
979 | desc { "computing whether `{}` needs drop", env.value } |
980 | } | |
981 | ||
f035d41b XL |
982 | /// Query backing `TyS::is_structural_eq_shallow`. |
983 | /// | |
984 | /// This is only correct for ADTs. Call `is_structural_eq_shallow` to handle all types | |
985 | /// correctly. | |
986 | query has_structural_eq_impls(ty: Ty<'tcx>) -> bool { | |
987 | desc { | |
988 | "computing whether `{:?}` implements `PartialStructuralEq` and `StructuralEq`", | |
989 | ty | |
990 | } | |
991 | } | |
992 | ||
74b04a01 XL |
993 | /// A list of types where the ADT requires drop if and only if any of |
994 | /// those types require drop. If the ADT is known to always need drop | |
995 | /// then `Err(AlwaysRequiresDrop)` is returned. | |
f9f354fc XL |
996 | query adt_drop_tys(def_id: DefId) -> Result<&'tcx ty::List<Ty<'tcx>>, AlwaysRequiresDrop> { |
997 | desc { |tcx| "computing when `{}` needs drop", tcx.def_path_str(def_id) } | |
74b04a01 XL |
998 | cache_on_disk_if { true } |
999 | } | |
1000 | ||
532ac7d7 XL |
1001 | query layout_raw( |
1002 | env: ty::ParamEnvAnd<'tcx, Ty<'tcx>> | |
ba9703b0 | 1003 | ) -> Result<&'tcx rustc_target::abi::Layout, ty::layout::LayoutError<'tcx>> { |
532ac7d7 XL |
1004 | desc { "computing layout of `{}`", env.value } |
1005 | } | |
1006 | } | |
1007 | ||
1008 | Other { | |
1009 | query dylib_dependency_formats(_: CrateNum) | |
dc9dc135 | 1010 | -> &'tcx [(CrateNum, LinkagePreference)] { |
532ac7d7 XL |
1011 | desc { "dylib dependency formats of crate" } |
1012 | } | |
e74abb32 XL |
1013 | |
1014 | query dependency_formats(_: CrateNum) | |
1015 | -> Lrc<crate::middle::dependency_format::Dependencies> | |
1016 | { | |
1017 | desc { "get the linkage format of all dependencies" } | |
1018 | } | |
532ac7d7 XL |
1019 | } |
1020 | ||
1021 | Codegen { | |
1022 | query is_compiler_builtins(_: CrateNum) -> bool { | |
1023 | fatal_cycle | |
1024 | desc { "checking if the crate is_compiler_builtins" } | |
1025 | } | |
1026 | query has_global_allocator(_: CrateNum) -> bool { | |
1027 | fatal_cycle | |
1028 | desc { "checking if the crate has_global_allocator" } | |
1029 | } | |
1030 | query has_panic_handler(_: CrateNum) -> bool { | |
1031 | fatal_cycle | |
1032 | desc { "checking if the crate has_panic_handler" } | |
1033 | } | |
532ac7d7 XL |
1034 | query is_profiler_runtime(_: CrateNum) -> bool { |
1035 | fatal_cycle | |
416331ca | 1036 | desc { "query a crate is `#![profiler_runtime]`" } |
532ac7d7 XL |
1037 | } |
1038 | query panic_strategy(_: CrateNum) -> PanicStrategy { | |
1039 | fatal_cycle | |
1040 | desc { "query a crate's configured panic strategy" } | |
1041 | } | |
1042 | query is_no_builtins(_: CrateNum) -> bool { | |
1043 | fatal_cycle | |
416331ca | 1044 | desc { "test whether a crate has `#![no_builtins]`" } |
532ac7d7 | 1045 | } |
dc9dc135 XL |
1046 | query symbol_mangling_version(_: CrateNum) -> SymbolManglingVersion { |
1047 | fatal_cycle | |
1048 | desc { "query a crate's symbol mangling version" } | |
1049 | } | |
532ac7d7 | 1050 | |
f9f354fc | 1051 | query extern_crate(def_id: DefId) -> Option<&'tcx ExternCrate> { |
532ac7d7 XL |
1052 | eval_always |
1053 | desc { "getting crate's ExternCrateData" } | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | TypeChecking { | |
1058 | query specializes(_: (DefId, DefId)) -> bool { | |
532ac7d7 XL |
1059 | desc { "computing whether impls specialize one another" } |
1060 | } | |
ba9703b0 | 1061 | query in_scope_traits_map(_: LocalDefId) |
dc9dc135 | 1062 | -> Option<&'tcx FxHashMap<ItemLocalId, StableVec<TraitCandidate>>> { |
532ac7d7 XL |
1063 | eval_always |
1064 | desc { "traits in scope at a block" } | |
1065 | } | |
1066 | } | |
1067 | ||
1068 | Other { | |
f035d41b XL |
1069 | query module_exports(def_id: LocalDefId) -> Option<&'tcx [Export<LocalDefId>]> { |
1070 | desc { |tcx| "looking up items exported by `{}`", tcx.def_path_str(def_id.to_def_id()) } | |
532ac7d7 XL |
1071 | eval_always |
1072 | } | |
1073 | } | |
1074 | ||
1075 | TypeChecking { | |
f9f354fc XL |
1076 | query impl_defaultness(def_id: DefId) -> hir::Defaultness { |
1077 | desc { |tcx| "looking up whether `{}` is a default impl", tcx.def_path_str(def_id) } | |
1078 | } | |
532ac7d7 | 1079 | |
f9f354fc XL |
1080 | query check_item_well_formed(key: LocalDefId) -> () { |
1081 | desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) } | |
1082 | } | |
1083 | query check_trait_item_well_formed(key: LocalDefId) -> () { | |
1084 | desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) } | |
1085 | } | |
1086 | query check_impl_item_well_formed(key: LocalDefId) -> () { | |
1087 | desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) } | |
1088 | } | |
532ac7d7 XL |
1089 | } |
1090 | ||
f9f354fc | 1091 | |
532ac7d7 | 1092 | Linking { |
dc9dc135 | 1093 | // The `DefId`s of all non-generic functions and statics in the given crate |
532ac7d7 XL |
1094 | // that can be reached from outside the crate. |
1095 | // | |
1096 | // We expect this items to be available for being linked to. | |
1097 | // | |
dc9dc135 | 1098 | // This query can also be called for `LOCAL_CRATE`. In this case it will |
532ac7d7 XL |
1099 | // compute which items will be reachable to other crates, taking into account |
1100 | // the kind of crate that is currently compiled. Crates with only a | |
1101 | // C interface have fewer reachable things. | |
1102 | // | |
1103 | // Does not include external symbols that don't have a corresponding DefId, | |
1104 | // like the compiler-generated `main` function and so on. | |
1105 | query reachable_non_generics(_: CrateNum) | |
f9f354fc XL |
1106 | -> DefIdMap<SymbolExportLevel> { |
1107 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1108 | desc { "looking up the exported symbols of a crate" } |
1109 | } | |
f9f354fc XL |
1110 | query is_reachable_non_generic(def_id: DefId) -> bool { |
1111 | desc { |tcx| "checking whether `{}` is an exported symbol", tcx.def_path_str(def_id) } | |
1112 | } | |
1113 | query is_unreachable_local_definition(def_id: DefId) -> bool { | |
1114 | desc { |tcx| | |
1115 | "checking whether `{}` is reachable from outside the crate", | |
1116 | tcx.def_path_str(def_id), | |
1117 | } | |
1118 | } | |
532ac7d7 XL |
1119 | } |
1120 | ||
1121 | Codegen { | |
dfeec247 XL |
1122 | /// The entire set of monomorphizations the local crate can safely link |
1123 | /// to because they are exported from upstream crates. Do not depend on | |
1124 | /// this directly, as its value changes anytime a monomorphization gets | |
1125 | /// added or removed in any upstream crate. Instead use the narrower | |
1126 | /// `upstream_monomorphizations_for`, `upstream_drop_glue_for`, or, even | |
1127 | /// better, `Instance::upstream_monomorphization()`. | |
532ac7d7 XL |
1128 | query upstream_monomorphizations( |
1129 | k: CrateNum | |
f9f354fc XL |
1130 | ) -> DefIdMap<FxHashMap<SubstsRef<'tcx>, CrateNum>> { |
1131 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1132 | desc { "collecting available upstream monomorphizations `{:?}`", k } |
1133 | } | |
dfeec247 XL |
1134 | |
1135 | /// Returns the set of upstream monomorphizations available for the | |
1136 | /// generic function identified by the given `def_id`. The query makes | |
1137 | /// sure to make a stable selection if the same monomorphization is | |
1138 | /// available in multiple upstream crates. | |
1139 | /// | |
1140 | /// You likely want to call `Instance::upstream_monomorphization()` | |
1141 | /// instead of invoking this query directly. | |
f9f354fc XL |
1142 | query upstream_monomorphizations_for(def_id: DefId) |
1143 | -> Option<&'tcx FxHashMap<SubstsRef<'tcx>, CrateNum>> { | |
1144 | desc { |tcx| | |
1145 | "collecting available upstream monomorphizations for `{}`", | |
1146 | tcx.def_path_str(def_id), | |
1147 | } | |
1148 | } | |
dfeec247 XL |
1149 | |
1150 | /// Returns the upstream crate that exports drop-glue for the given | |
1151 | /// type (`substs` is expected to be a single-item list containing the | |
1152 | /// type one wants drop-glue for). | |
1153 | /// | |
1154 | /// This is a subset of `upstream_monomorphizations_for` in order to | |
1155 | /// increase dep-tracking granularity. Otherwise adding or removing any | |
1156 | /// type with drop-glue in any upstream crate would invalidate all | |
1157 | /// functions calling drop-glue of an upstream type. | |
1158 | /// | |
1159 | /// You likely want to call `Instance::upstream_monomorphization()` | |
1160 | /// instead of invoking this query directly. | |
1161 | /// | |
1162 | /// NOTE: This query could easily be extended to also support other | |
1163 | /// common functions that have are large set of monomorphizations | |
1164 | /// (like `Clone::clone` for example). | |
1165 | query upstream_drop_glue_for(substs: SubstsRef<'tcx>) -> Option<CrateNum> { | |
1166 | desc { "available upstream drop-glue for `{:?}`", substs } | |
dfeec247 | 1167 | } |
532ac7d7 XL |
1168 | } |
1169 | ||
1170 | Other { | |
29967ef6 | 1171 | query foreign_modules(_: CrateNum) -> Lrc<FxHashMap<DefId, ForeignModule>> { |
532ac7d7 XL |
1172 | desc { "looking up the foreign modules of a linked crate" } |
1173 | } | |
1174 | ||
1175 | /// Identifies the entry-point (e.g., the `main` function) for a given | |
1176 | /// crate, returning `None` if there is no entry point (such as for library crates). | |
f9f354fc | 1177 | query entry_fn(_: CrateNum) -> Option<(LocalDefId, EntryFnType)> { |
532ac7d7 XL |
1178 | desc { "looking up the entry function of a crate" } |
1179 | } | |
1180 | query plugin_registrar_fn(_: CrateNum) -> Option<DefId> { | |
1181 | desc { "looking up the plugin registrar for a crate" } | |
1182 | } | |
1183 | query proc_macro_decls_static(_: CrateNum) -> Option<DefId> { | |
1184 | desc { "looking up the derive registrar for a crate" } | |
1185 | } | |
1186 | query crate_disambiguator(_: CrateNum) -> CrateDisambiguator { | |
1187 | eval_always | |
1188 | desc { "looking up the disambiguator a crate" } | |
1189 | } | |
1190 | query crate_hash(_: CrateNum) -> Svh { | |
1191 | eval_always | |
1192 | desc { "looking up the hash a crate" } | |
1193 | } | |
e74abb32 XL |
1194 | query crate_host_hash(_: CrateNum) -> Option<Svh> { |
1195 | eval_always | |
1196 | desc { "looking up the hash of a host version of a crate" } | |
1197 | } | |
532ac7d7 XL |
1198 | query original_crate_name(_: CrateNum) -> Symbol { |
1199 | eval_always | |
1200 | desc { "looking up the original name a crate" } | |
1201 | } | |
1202 | query extra_filename(_: CrateNum) -> String { | |
1203 | eval_always | |
1204 | desc { "looking up the extra filename for a crate" } | |
1205 | } | |
f035d41b XL |
1206 | query crate_extern_paths(_: CrateNum) -> Vec<PathBuf> { |
1207 | eval_always | |
1208 | desc { "looking up the paths for extern crates" } | |
1209 | } | |
532ac7d7 XL |
1210 | } |
1211 | ||
1212 | TypeChecking { | |
1213 | query implementations_of_trait(_: (CrateNum, DefId)) | |
3dfed10e | 1214 | -> &'tcx [(DefId, Option<ty::fast_reject::SimplifiedType>)] { |
532ac7d7 XL |
1215 | desc { "looking up implementations of a trait in a crate" } |
1216 | } | |
1217 | query all_trait_implementations(_: CrateNum) | |
3dfed10e | 1218 | -> &'tcx [(DefId, Option<ty::fast_reject::SimplifiedType>)] { |
532ac7d7 XL |
1219 | desc { "looking up all (?) trait implementations" } |
1220 | } | |
1221 | } | |
1222 | ||
1223 | Other { | |
1224 | query dllimport_foreign_items(_: CrateNum) | |
f9f354fc XL |
1225 | -> FxHashSet<DefId> { |
1226 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1227 | desc { "dllimport_foreign_items" } |
1228 | } | |
f9f354fc XL |
1229 | query is_dllimport_foreign_item(def_id: DefId) -> bool { |
1230 | desc { |tcx| "is_dllimport_foreign_item({})", tcx.def_path_str(def_id) } | |
1231 | } | |
1232 | query is_statically_included_foreign_item(def_id: DefId) -> bool { | |
1233 | desc { |tcx| "is_statically_included_foreign_item({})", tcx.def_path_str(def_id) } | |
1234 | } | |
1235 | query native_library_kind(def_id: DefId) | |
1236 | -> Option<NativeLibKind> { | |
1237 | desc { |tcx| "native_library_kind({})", tcx.def_path_str(def_id) } | |
1238 | } | |
532ac7d7 XL |
1239 | } |
1240 | ||
1241 | Linking { | |
1242 | query link_args(_: CrateNum) -> Lrc<Vec<String>> { | |
1243 | eval_always | |
1244 | desc { "looking up link arguments for a crate" } | |
1245 | } | |
1246 | } | |
1247 | ||
1248 | BorrowChecking { | |
e1599b0c | 1249 | /// Lifetime resolution. See `middle::resolve_lifetimes`. |
f9f354fc XL |
1250 | query resolve_lifetimes(_: CrateNum) -> ResolveLifetimes { |
1251 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1252 | desc { "resolving lifetimes" } |
1253 | } | |
ba9703b0 | 1254 | query named_region_map(_: LocalDefId) -> |
dc9dc135 | 1255 | Option<&'tcx FxHashMap<ItemLocalId, Region>> { |
532ac7d7 XL |
1256 | desc { "looking up a named region" } |
1257 | } | |
ba9703b0 | 1258 | query is_late_bound_map(_: LocalDefId) -> |
dc9dc135 | 1259 | Option<&'tcx FxHashSet<ItemLocalId>> { |
532ac7d7 XL |
1260 | desc { "testing if a region is late bound" } |
1261 | } | |
ba9703b0 | 1262 | query object_lifetime_defaults_map(_: LocalDefId) |
dc9dc135 | 1263 | -> Option<&'tcx FxHashMap<ItemLocalId, Vec<ObjectLifetimeDefault>>> { |
532ac7d7 XL |
1264 | desc { "looking up lifetime defaults for a region" } |
1265 | } | |
1266 | } | |
1267 | ||
1268 | TypeChecking { | |
f9f354fc | 1269 | query visibility(def_id: DefId) -> ty::Visibility { |
29967ef6 | 1270 | eval_always |
f9f354fc XL |
1271 | desc { |tcx| "computing visibility of `{}`", tcx.def_path_str(def_id) } |
1272 | } | |
532ac7d7 XL |
1273 | } |
1274 | ||
1275 | Other { | |
3dfed10e | 1276 | query dep_kind(_: CrateNum) -> CrateDepKind { |
532ac7d7 XL |
1277 | eval_always |
1278 | desc { "fetching what a dependency looks like" } | |
1279 | } | |
1280 | query crate_name(_: CrateNum) -> Symbol { | |
1281 | eval_always | |
1282 | desc { "fetching what a crate is named" } | |
1283 | } | |
f9f354fc XL |
1284 | query item_children(def_id: DefId) -> &'tcx [Export<hir::HirId>] { |
1285 | desc { |tcx| "collecting child items of `{}`", tcx.def_path_str(def_id) } | |
1286 | } | |
1287 | query extern_mod_stmt_cnum(def_id: LocalDefId) -> Option<CrateNum> { | |
1288 | desc { |tcx| "computing crate imported by `{}`", tcx.def_path_str(def_id.to_def_id()) } | |
1289 | } | |
532ac7d7 | 1290 | |
f9f354fc XL |
1291 | query get_lib_features(_: CrateNum) -> LibFeatures { |
1292 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1293 | eval_always |
1294 | desc { "calculating the lib features map" } | |
1295 | } | |
1296 | query defined_lib_features(_: CrateNum) | |
dc9dc135 | 1297 | -> &'tcx [(Symbol, Option<Symbol>)] { |
532ac7d7 XL |
1298 | desc { "calculating the lib features defined in a crate" } |
1299 | } | |
e1599b0c XL |
1300 | /// Returns the lang items defined in another crate by loading it from metadata. |
1301 | // FIXME: It is illegal to pass a `CrateNum` other than `LOCAL_CRATE` here, just get rid | |
1302 | // of that argument? | |
f9f354fc XL |
1303 | query get_lang_items(_: CrateNum) -> LanguageItems { |
1304 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1305 | eval_always |
1306 | desc { "calculating the lang items map" } | |
1307 | } | |
e1599b0c XL |
1308 | |
1309 | /// Returns all diagnostic items defined in all crates. | |
f9f354fc XL |
1310 | query all_diagnostic_items(_: CrateNum) -> FxHashMap<Symbol, DefId> { |
1311 | storage(ArenaCacheSelector<'tcx>) | |
e1599b0c XL |
1312 | eval_always |
1313 | desc { "calculating the diagnostic items map" } | |
1314 | } | |
1315 | ||
1316 | /// Returns the lang items defined in another crate by loading it from metadata. | |
dc9dc135 | 1317 | query defined_lang_items(_: CrateNum) -> &'tcx [(DefId, usize)] { |
532ac7d7 XL |
1318 | desc { "calculating the lang items defined in a crate" } |
1319 | } | |
e1599b0c XL |
1320 | |
1321 | /// Returns the diagnostic items defined in a crate. | |
f9f354fc XL |
1322 | query diagnostic_items(_: CrateNum) -> FxHashMap<Symbol, DefId> { |
1323 | storage(ArenaCacheSelector<'tcx>) | |
e1599b0c XL |
1324 | desc { "calculating the diagnostic items map in a crate" } |
1325 | } | |
1326 | ||
dc9dc135 | 1327 | query missing_lang_items(_: CrateNum) -> &'tcx [LangItem] { |
532ac7d7 XL |
1328 | desc { "calculating the missing lang items in a crate" } |
1329 | } | |
1330 | query visible_parent_map(_: CrateNum) | |
f9f354fc XL |
1331 | -> DefIdMap<DefId> { |
1332 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1333 | desc { "calculating the visible parent map" } |
1334 | } | |
1b1a35ee XL |
1335 | query trimmed_def_paths(_: CrateNum) |
1336 | -> FxHashMap<DefId, Symbol> { | |
1337 | storage(ArenaCacheSelector<'tcx>) | |
1338 | desc { "calculating trimmed def paths" } | |
1339 | } | |
532ac7d7 XL |
1340 | query missing_extern_crate_item(_: CrateNum) -> bool { |
1341 | eval_always | |
1342 | desc { "seeing if we're missing an `extern crate` item for this crate" } | |
1343 | } | |
1344 | query used_crate_source(_: CrateNum) -> Lrc<CrateSource> { | |
1345 | eval_always | |
1346 | desc { "looking at the source for a crate" } | |
1347 | } | |
dc9dc135 | 1348 | query postorder_cnums(_: CrateNum) -> &'tcx [CrateNum] { |
532ac7d7 XL |
1349 | eval_always |
1350 | desc { "generating a postorder list of CrateNums" } | |
1351 | } | |
1352 | ||
f9f354fc XL |
1353 | query upvars_mentioned(def_id: DefId) -> Option<&'tcx FxIndexMap<hir::HirId, hir::Upvar>> { |
1354 | desc { |tcx| "collecting upvars mentioned in `{}`", tcx.def_path_str(def_id) } | |
532ac7d7 XL |
1355 | eval_always |
1356 | } | |
f9f354fc | 1357 | query maybe_unused_trait_import(def_id: LocalDefId) -> bool { |
532ac7d7 | 1358 | eval_always |
f9f354fc | 1359 | desc { |tcx| "maybe_unused_trait_import for `{}`", tcx.def_path_str(def_id.to_def_id()) } |
532ac7d7 XL |
1360 | } |
1361 | query maybe_unused_extern_crates(_: CrateNum) | |
f9f354fc | 1362 | -> &'tcx [(LocalDefId, Span)] { |
532ac7d7 XL |
1363 | eval_always |
1364 | desc { "looking up all possibly unused extern crates" } | |
1365 | } | |
f9f354fc XL |
1366 | query names_imported_by_glob_use(def_id: LocalDefId) |
1367 | -> &'tcx FxHashSet<Symbol> { | |
532ac7d7 | 1368 | eval_always |
f9f354fc | 1369 | desc { |tcx| "names_imported_by_glob_use for `{}`", tcx.def_path_str(def_id.to_def_id()) } |
532ac7d7 XL |
1370 | } |
1371 | ||
f9f354fc XL |
1372 | query stability_index(_: CrateNum) -> stability::Index<'tcx> { |
1373 | storage(ArenaCacheSelector<'tcx>) | |
532ac7d7 XL |
1374 | eval_always |
1375 | desc { "calculating the stability index for the local crate" } | |
1376 | } | |
dc9dc135 | 1377 | query all_crate_nums(_: CrateNum) -> &'tcx [CrateNum] { |
532ac7d7 XL |
1378 | eval_always |
1379 | desc { "fetching all foreign CrateNum instances" } | |
1380 | } | |
1381 | ||
1382 | /// A vector of every trait accessible in the whole crate | |
1383 | /// (i.e., including those from subcrates). This is used only for | |
1384 | /// error reporting. | |
dc9dc135 | 1385 | query all_traits(_: CrateNum) -> &'tcx [DefId] { |
532ac7d7 XL |
1386 | desc { "fetching all foreign and local traits" } |
1387 | } | |
1388 | } | |
1389 | ||
1390 | Linking { | |
dfeec247 XL |
1391 | /// The list of symbols exported from the given crate. |
1392 | /// | |
1393 | /// - All names contained in `exported_symbols(cnum)` are guaranteed to | |
1394 | /// correspond to a publicly visible symbol in `cnum` machine code. | |
1395 | /// - The `exported_symbols` sets of different crates do not intersect. | |
532ac7d7 | 1396 | query exported_symbols(_: CrateNum) |
ba9703b0 | 1397 | -> &'tcx [(ExportedSymbol<'tcx>, SymbolExportLevel)] { |
532ac7d7 XL |
1398 | desc { "exported_symbols" } |
1399 | } | |
1400 | } | |
1401 | ||
1402 | Codegen { | |
1403 | query collect_and_partition_mono_items(_: CrateNum) | |
ba9703b0 | 1404 | -> (&'tcx DefIdSet, &'tcx [CodegenUnit<'tcx>]) { |
532ac7d7 XL |
1405 | eval_always |
1406 | desc { "collect_and_partition_mono_items" } | |
1407 | } | |
f9f354fc XL |
1408 | query is_codegened_item(def_id: DefId) -> bool { |
1409 | desc { |tcx| "determining whether `{}` needs codegen", tcx.def_path_str(def_id) } | |
1410 | } | |
ba9703b0 | 1411 | query codegen_unit(_: Symbol) -> &'tcx CodegenUnit<'tcx> { |
532ac7d7 XL |
1412 | desc { "codegen_unit" } |
1413 | } | |
3dfed10e XL |
1414 | query unused_generic_params(key: DefId) -> FiniteBitSet<u32> { |
1415 | cache_on_disk_if { key.is_local() } | |
1416 | desc { | |
1417 | |tcx| "determining which generic parameters are unused by `{}`", | |
1418 | tcx.def_path_str(key) | |
1419 | } | |
1420 | } | |
532ac7d7 XL |
1421 | query backend_optimization_level(_: CrateNum) -> OptLevel { |
1422 | desc { "optimization level used by backend" } | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | Other { | |
1427 | query output_filenames(_: CrateNum) -> Arc<OutputFilenames> { | |
1428 | eval_always | |
1429 | desc { "output_filenames" } | |
1430 | } | |
1431 | } | |
1432 | ||
1433 | TypeChecking { | |
1434 | /// Do not call this query directly: invoke `normalize` instead. | |
1435 | query normalize_projection_ty( | |
1436 | goal: CanonicalProjectionGoal<'tcx> | |
1437 | ) -> Result< | |
48663c56 | 1438 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, NormalizationResult<'tcx>>>, |
532ac7d7 XL |
1439 | NoSolution, |
1440 | > { | |
532ac7d7 XL |
1441 | desc { "normalizing `{:?}`", goal } |
1442 | } | |
1443 | ||
1444 | /// Do not call this query directly: invoke `normalize_erasing_regions` instead. | |
ba9703b0 XL |
1445 | query normalize_generic_arg_after_erasing_regions( |
1446 | goal: ParamEnvAnd<'tcx, GenericArg<'tcx>> | |
1447 | ) -> GenericArg<'tcx> { | |
1448 | desc { "normalizing `{}`", goal.value } | |
532ac7d7 XL |
1449 | } |
1450 | ||
1451 | query implied_outlives_bounds( | |
1452 | goal: CanonicalTyGoal<'tcx> | |
1453 | ) -> Result< | |
48663c56 | 1454 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Vec<OutlivesBound<'tcx>>>>, |
532ac7d7 XL |
1455 | NoSolution, |
1456 | > { | |
532ac7d7 XL |
1457 | desc { "computing implied outlives bounds for `{:?}`", goal } |
1458 | } | |
1459 | ||
1460 | /// Do not call this query directly: invoke `infcx.at().dropck_outlives()` instead. | |
1461 | query dropck_outlives( | |
1462 | goal: CanonicalTyGoal<'tcx> | |
1463 | ) -> Result< | |
48663c56 | 1464 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, DropckOutlivesResult<'tcx>>>, |
532ac7d7 XL |
1465 | NoSolution, |
1466 | > { | |
532ac7d7 XL |
1467 | desc { "computing dropck types for `{:?}`", goal } |
1468 | } | |
1469 | ||
1470 | /// Do not call this query directly: invoke `infcx.predicate_may_hold()` or | |
1471 | /// `infcx.predicate_must_hold()` instead. | |
1472 | query evaluate_obligation( | |
1473 | goal: CanonicalPredicateGoal<'tcx> | |
1474 | ) -> Result<traits::EvaluationResult, traits::OverflowError> { | |
532ac7d7 XL |
1475 | desc { "evaluating trait selection obligation `{}`", goal.value.value } |
1476 | } | |
1477 | ||
f9f354fc | 1478 | query evaluate_goal( |
1b1a35ee | 1479 | goal: traits::CanonicalChalkEnvironmentAndGoal<'tcx> |
f9f354fc XL |
1480 | ) -> Result< |
1481 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>, | |
1482 | NoSolution | |
1483 | > { | |
1484 | desc { "evaluating trait selection obligation `{}`", goal.value } | |
1485 | } | |
1486 | ||
1487 | query type_implements_trait( | |
1488 | key: (DefId, Ty<'tcx>, SubstsRef<'tcx>, ty::ParamEnv<'tcx>, ) | |
1489 | ) -> bool { | |
1490 | desc { "evaluating `type_implements_trait` `{:?}`", key } | |
1491 | } | |
1492 | ||
532ac7d7 XL |
1493 | /// Do not call this query directly: part of the `Eq` type-op |
1494 | query type_op_ascribe_user_type( | |
1495 | goal: CanonicalTypeOpAscribeUserTypeGoal<'tcx> | |
1496 | ) -> Result< | |
48663c56 | 1497 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>, |
532ac7d7 XL |
1498 | NoSolution, |
1499 | > { | |
532ac7d7 XL |
1500 | desc { "evaluating `type_op_ascribe_user_type` `{:?}`", goal } |
1501 | } | |
1502 | ||
1503 | /// Do not call this query directly: part of the `Eq` type-op | |
1504 | query type_op_eq( | |
1505 | goal: CanonicalTypeOpEqGoal<'tcx> | |
1506 | ) -> Result< | |
48663c56 | 1507 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>, |
532ac7d7 XL |
1508 | NoSolution, |
1509 | > { | |
532ac7d7 XL |
1510 | desc { "evaluating `type_op_eq` `{:?}`", goal } |
1511 | } | |
1512 | ||
1513 | /// Do not call this query directly: part of the `Subtype` type-op | |
1514 | query type_op_subtype( | |
1515 | goal: CanonicalTypeOpSubtypeGoal<'tcx> | |
1516 | ) -> Result< | |
48663c56 | 1517 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>, |
532ac7d7 XL |
1518 | NoSolution, |
1519 | > { | |
532ac7d7 XL |
1520 | desc { "evaluating `type_op_subtype` `{:?}`", goal } |
1521 | } | |
1522 | ||
1523 | /// Do not call this query directly: part of the `ProvePredicate` type-op | |
1524 | query type_op_prove_predicate( | |
1525 | goal: CanonicalTypeOpProvePredicateGoal<'tcx> | |
1526 | ) -> Result< | |
48663c56 | 1527 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>, |
532ac7d7 XL |
1528 | NoSolution, |
1529 | > { | |
532ac7d7 XL |
1530 | desc { "evaluating `type_op_prove_predicate` `{:?}`", goal } |
1531 | } | |
1532 | ||
1533 | /// Do not call this query directly: part of the `Normalize` type-op | |
1534 | query type_op_normalize_ty( | |
1535 | goal: CanonicalTypeOpNormalizeGoal<'tcx, Ty<'tcx>> | |
1536 | ) -> Result< | |
48663c56 | 1537 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Ty<'tcx>>>, |
532ac7d7 XL |
1538 | NoSolution, |
1539 | > { | |
532ac7d7 XL |
1540 | desc { "normalizing `{:?}`", goal } |
1541 | } | |
1542 | ||
1543 | /// Do not call this query directly: part of the `Normalize` type-op | |
1544 | query type_op_normalize_predicate( | |
1545 | goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::Predicate<'tcx>> | |
1546 | ) -> Result< | |
48663c56 | 1547 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::Predicate<'tcx>>>, |
532ac7d7 XL |
1548 | NoSolution, |
1549 | > { | |
532ac7d7 XL |
1550 | desc { "normalizing `{:?}`", goal } |
1551 | } | |
1552 | ||
1553 | /// Do not call this query directly: part of the `Normalize` type-op | |
1554 | query type_op_normalize_poly_fn_sig( | |
1555 | goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::PolyFnSig<'tcx>> | |
1556 | ) -> Result< | |
48663c56 | 1557 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::PolyFnSig<'tcx>>>, |
532ac7d7 XL |
1558 | NoSolution, |
1559 | > { | |
532ac7d7 XL |
1560 | desc { "normalizing `{:?}`", goal } |
1561 | } | |
1562 | ||
1563 | /// Do not call this query directly: part of the `Normalize` type-op | |
1564 | query type_op_normalize_fn_sig( | |
1565 | goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::FnSig<'tcx>> | |
1566 | ) -> Result< | |
48663c56 | 1567 | &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::FnSig<'tcx>>>, |
532ac7d7 XL |
1568 | NoSolution, |
1569 | > { | |
532ac7d7 XL |
1570 | desc { "normalizing `{:?}`", goal } |
1571 | } | |
1572 | ||
3dfed10e | 1573 | query subst_and_check_impossible_predicates(key: (DefId, SubstsRef<'tcx>)) -> bool { |
532ac7d7 | 1574 | desc { |tcx| |
3dfed10e | 1575 | "impossible substituted predicates:`{}`", |
532ac7d7 XL |
1576 | tcx.def_path_str(key.0) |
1577 | } | |
1578 | } | |
1579 | ||
1580 | query method_autoderef_steps( | |
1581 | goal: CanonicalTyGoal<'tcx> | |
1582 | ) -> MethodAutoderefStepsResult<'tcx> { | |
532ac7d7 XL |
1583 | desc { "computing autoderef types for `{:?}`", goal } |
1584 | } | |
1585 | } | |
1586 | ||
1587 | Other { | |
f035d41b | 1588 | query supported_target_features(_: CrateNum) -> FxHashMap<String, Option<Symbol>> { |
f9f354fc | 1589 | storage(ArenaCacheSelector<'tcx>) |
532ac7d7 | 1590 | eval_always |
f035d41b | 1591 | desc { "looking up supported target features" } |
532ac7d7 XL |
1592 | } |
1593 | ||
1b1a35ee | 1594 | /// Get an estimate of the size of an InstanceDef based on its MIR for CGU partitioning. |
532ac7d7 XL |
1595 | query instance_def_size_estimate(def: ty::InstanceDef<'tcx>) |
1596 | -> usize { | |
532ac7d7 XL |
1597 | desc { |tcx| "estimating size for `{}`", tcx.def_path_str(def.def_id()) } |
1598 | } | |
1599 | ||
60c5eb7d | 1600 | query features_query(_: CrateNum) -> &'tcx rustc_feature::Features { |
532ac7d7 XL |
1601 | eval_always |
1602 | desc { "looking up enabled feature gates" } | |
1603 | } | |
ba9703b0 | 1604 | |
f9f354fc XL |
1605 | /// Attempt to resolve the given `DefId` to an `Instance`, for the |
1606 | /// given generics args (`SubstsRef`), returning one of: | |
1607 | /// * `Ok(Some(instance))` on success | |
1608 | /// * `Ok(None)` when the `SubstsRef` are still too generic, | |
1609 | /// and therefore don't allow finding the final `Instance` | |
1610 | /// * `Err(ErrorReported)` when the `Instance` resolution process | |
1611 | /// couldn't complete due to errors elsewhere - this is distinct | |
1612 | /// from `Ok(None)` to avoid misleading diagnostics when an error | |
1613 | /// has already been/will be emitted, for the original cause | |
1614 | query resolve_instance( | |
1615 | key: ty::ParamEnvAnd<'tcx, (DefId, SubstsRef<'tcx>)> | |
1616 | ) -> Result<Option<ty::Instance<'tcx>>, ErrorReported> { | |
1617 | desc { "resolving instance `{}`", ty::Instance::new(key.value.0, key.value.1) } | |
ba9703b0 | 1618 | } |
3dfed10e XL |
1619 | |
1620 | query resolve_instance_of_const_arg( | |
1621 | key: ty::ParamEnvAnd<'tcx, (LocalDefId, DefId, SubstsRef<'tcx>)> | |
1622 | ) -> Result<Option<ty::Instance<'tcx>>, ErrorReported> { | |
1623 | desc { | |
1624 | "resolving instance of the const argument `{}`", | |
1625 | ty::Instance::new(key.value.0.to_def_id(), key.value.2), | |
1626 | } | |
1627 | } | |
1628 | ||
1629 | query normalize_opaque_types(key: &'tcx ty::List<ty::Predicate<'tcx>>) -> &'tcx ty::List<ty::Predicate<'tcx>> { | |
1630 | desc { "normalizing opaque types in {:?}", key } | |
1631 | } | |
532ac7d7 XL |
1632 | } |
1633 | } |