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Commit | Line | Data |
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ba9703b0 XL |
1 | use crate::arena::Arena; |
2 | use crate::hir::map::{Entry, HirOwnerData, Map}; | |
3 | use crate::hir::{Owner, OwnerNodes, ParentedNode}; | |
dfeec247 | 4 | use crate::ich::StableHashingContext; |
9fa01778 | 5 | use crate::middle::cstore::CrateStore; |
dfeec247 XL |
6 | use rustc_data_structures::fingerprint::Fingerprint; |
7 | use rustc_data_structures::fx::FxHashMap; | |
8 | use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; | |
60c5eb7d | 9 | use rustc_data_structures::svh::Svh; |
dfeec247 XL |
10 | use rustc_hir as hir; |
11 | use rustc_hir::def_id::CRATE_DEF_INDEX; | |
ba9703b0 XL |
12 | use rustc_hir::def_id::{LocalDefId, LOCAL_CRATE}; |
13 | use rustc_hir::definitions::{self, DefPathHash}; | |
dfeec247 XL |
14 | use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor}; |
15 | use rustc_hir::*; | |
ba9703b0 | 16 | use rustc_index::vec::{Idx, IndexVec}; |
dfeec247 XL |
17 | use rustc_session::{CrateDisambiguator, Session}; |
18 | use rustc_span::source_map::SourceMap; | |
19 | use rustc_span::{Span, Symbol, DUMMY_SP}; | |
b039eaaf | 20 | |
dfeec247 | 21 | use std::iter::repeat; |
ea8adc8c | 22 | |
dc9dc135 | 23 | /// A visitor that walks over the HIR and collects `Node`s into a HIR map. |
3b2f2976 | 24 | pub(super) struct NodeCollector<'a, 'hir> { |
ba9703b0 XL |
25 | arena: &'hir Arena<'hir>, |
26 | ||
a7813a04 | 27 | /// The crate |
dfeec247 | 28 | krate: &'hir Crate<'hir>, |
13cf67c4 XL |
29 | |
30 | /// Source map | |
31 | source_map: &'a SourceMap, | |
32 | ||
ba9703b0 XL |
33 | map: IndexVec<LocalDefId, HirOwnerData<'hir>>, |
34 | ||
a7813a04 | 35 | /// The parent of this node |
9fa01778 | 36 | parent_node: hir::HirId, |
3b2f2976 | 37 | |
ba9703b0 | 38 | current_dep_node_owner: LocalDefId, |
3b2f2976 | 39 | |
3b2f2976 | 40 | definitions: &'a definitions::Definitions, |
ea8adc8c XL |
41 | |
42 | hcx: StableHashingContext<'a>, | |
43 | ||
ba9703b0 XL |
44 | // We are collecting HIR hashes here so we can compute the |
45 | // crate hash from them later on. | |
0731742a XL |
46 | hir_body_nodes: Vec<(DefPathHash, Fingerprint)>, |
47 | } | |
48 | ||
ba9703b0 XL |
49 | fn insert_vec_map<K: Idx, V: Clone>(map: &mut IndexVec<K, Option<V>>, k: K, v: V) { |
50 | let i = k.index(); | |
51 | let len = map.len(); | |
52 | if i >= len { | |
53 | map.extend(repeat(None).take(i - len + 1)); | |
54 | } | |
6a06907d | 55 | debug_assert!(map[k].is_none()); |
ba9703b0 XL |
56 | map[k] = Some(v); |
57 | } | |
58 | ||
ba9703b0 | 59 | fn hash_body( |
9fa01778 | 60 | hcx: &mut StableHashingContext<'_>, |
0731742a | 61 | def_path_hash: DefPathHash, |
dfeec247 | 62 | item_like: impl for<'a> HashStable<StableHashingContext<'a>>, |
0731742a | 63 | hir_body_nodes: &mut Vec<(DefPathHash, Fingerprint)>, |
ba9703b0 | 64 | ) -> Fingerprint { |
6a06907d XL |
65 | let hash = { |
66 | let mut stable_hasher = StableHasher::new(); | |
67 | hcx.while_hashing_hir_bodies(true, |hcx| { | |
68 | item_like.hash_stable(hcx, &mut stable_hasher); | |
69 | }); | |
70 | stable_hasher.finish() | |
71 | }; | |
0731742a | 72 | hir_body_nodes.push((def_path_hash, hash)); |
ba9703b0 | 73 | hash |
b039eaaf SL |
74 | } |
75 | ||
dfeec247 XL |
76 | fn upstream_crates(cstore: &dyn CrateStore) -> Vec<(Symbol, Fingerprint, Svh)> { |
77 | let mut upstream_crates: Vec<_> = cstore | |
78 | .crates_untracked() | |
79 | .iter() | |
80 | .map(|&cnum| { | |
81 | let name = cstore.crate_name_untracked(cnum); | |
82 | let disambiguator = cstore.crate_disambiguator_untracked(cnum).to_fingerprint(); | |
83 | let hash = cstore.crate_hash_untracked(cnum); | |
84 | (name, disambiguator, hash) | |
85 | }) | |
86 | .collect(); | |
87 | upstream_crates.sort_unstable_by_key(|&(name, dis, _)| (name.as_str(), dis)); | |
88 | upstream_crates | |
89 | } | |
90 | ||
3b2f2976 | 91 | impl<'a, 'hir> NodeCollector<'a, 'hir> { |
60c5eb7d XL |
92 | pub(super) fn root( |
93 | sess: &'a Session, | |
ba9703b0 | 94 | arena: &'hir Arena<'hir>, |
dfeec247 | 95 | krate: &'hir Crate<'hir>, |
60c5eb7d | 96 | definitions: &'a definitions::Definitions, |
60c5eb7d XL |
97 | mut hcx: StableHashingContext<'a>, |
98 | ) -> NodeCollector<'a, 'hir> { | |
ba9703b0 XL |
99 | let root_mod_def_path_hash = |
100 | definitions.def_path_hash(LocalDefId { local_def_index: CRATE_DEF_INDEX }); | |
ea8adc8c | 101 | |
0731742a XL |
102 | let mut hir_body_nodes = Vec::new(); |
103 | ||
ba9703b0 | 104 | let hash = { |
ea8adc8c | 105 | let Crate { |
ba9703b0 | 106 | ref item, |
ea8adc8c XL |
107 | // These fields are handled separately: |
108 | exported_macros: _, | |
416331ca | 109 | non_exported_macro_attrs: _, |
ea8adc8c XL |
110 | items: _, |
111 | trait_items: _, | |
112 | impl_items: _, | |
fc512014 | 113 | foreign_items: _, |
ea8adc8c XL |
114 | bodies: _, |
115 | trait_impls: _, | |
ea8adc8c | 116 | body_ids: _, |
0731742a | 117 | modules: _, |
74b04a01 | 118 | proc_macros: _, |
f035d41b | 119 | trait_map: _, |
6a06907d | 120 | attrs: _, |
ea8adc8c XL |
121 | } = *krate; |
122 | ||
ba9703b0 | 123 | hash_body(&mut hcx, root_mod_def_path_hash, item, &mut hir_body_nodes) |
0731742a | 124 | }; |
ea8adc8c | 125 | |
b039eaaf | 126 | let mut collector = NodeCollector { |
ba9703b0 | 127 | arena, |
041b39d2 | 128 | krate, |
0731742a | 129 | source_map: sess.source_map(), |
9fa01778 | 130 | parent_node: hir::CRATE_HIR_ID, |
ba9703b0 | 131 | current_dep_node_owner: LocalDefId { local_def_index: CRATE_DEF_INDEX }, |
3b2f2976 | 132 | definitions, |
ea8adc8c XL |
133 | hcx, |
134 | hir_body_nodes, | |
ba9703b0 XL |
135 | map: (0..definitions.def_index_count()) |
136 | .map(|_| HirOwnerData { signature: None, with_bodies: None }) | |
137 | .collect(), | |
b039eaaf | 138 | }; |
60c5eb7d XL |
139 | collector.insert_entry( |
140 | hir::CRATE_HIR_ID, | |
ba9703b0 XL |
141 | Entry { parent: hir::CRATE_HIR_ID, node: Node::Crate(&krate.item) }, |
142 | hash, | |
60c5eb7d | 143 | ); |
b039eaaf | 144 | |
b039eaaf SL |
145 | collector |
146 | } | |
147 | ||
60c5eb7d XL |
148 | pub(super) fn finalize_and_compute_crate_hash( |
149 | mut self, | |
150 | crate_disambiguator: CrateDisambiguator, | |
151 | cstore: &dyn CrateStore, | |
152 | commandline_args_hash: u64, | |
ba9703b0 XL |
153 | ) -> (IndexVec<LocalDefId, HirOwnerData<'hir>>, Svh) { |
154 | // Insert bodies into the map | |
155 | for (id, body) in self.krate.bodies.iter() { | |
156 | let bodies = &mut self.map[id.hir_id.owner].with_bodies.as_mut().unwrap().bodies; | |
157 | assert!(bodies.insert(id.hir_id.local_id, body).is_none()); | |
158 | } | |
159 | ||
b7449926 | 160 | self.hir_body_nodes.sort_unstable_by_key(|bn| bn.0); |
ea8adc8c | 161 | |
60c5eb7d XL |
162 | let node_hashes = self.hir_body_nodes.iter().fold( |
163 | Fingerprint::ZERO, | |
164 | |combined_fingerprint, &(def_path_hash, fingerprint)| { | |
0731742a | 165 | combined_fingerprint.combine(def_path_hash.0.combine(fingerprint)) |
60c5eb7d XL |
166 | }, |
167 | ); | |
ea8adc8c | 168 | |
dfeec247 | 169 | let upstream_crates = upstream_crates(cstore); |
ff7c6d11 | 170 | |
0531ce1d XL |
171 | // We hash the final, remapped names of all local source files so we |
172 | // don't have to include the path prefix remapping commandline args. | |
173 | // If we included the full mapping in the SVH, we could only have | |
174 | // reproducible builds by compiling from the same directory. So we just | |
175 | // hash the result of the mapping instead of the mapping itself. | |
13cf67c4 XL |
176 | let mut source_file_names: Vec<_> = self |
177 | .source_map | |
0531ce1d XL |
178 | .files() |
179 | .iter() | |
ba9703b0 | 180 | .filter(|source_file| source_file.cnum == LOCAL_CRATE) |
b7449926 | 181 | .map(|source_file| source_file.name_hash) |
0531ce1d XL |
182 | .collect(); |
183 | ||
184 | source_file_names.sort_unstable(); | |
185 | ||
0731742a XL |
186 | let crate_hash_input = ( |
187 | ((node_hashes, upstream_crates), source_file_names), | |
60c5eb7d | 188 | (commandline_args_hash, crate_disambiguator.to_fingerprint()), |
0731742a XL |
189 | ); |
190 | ||
74b04a01 XL |
191 | let mut stable_hasher = StableHasher::new(); |
192 | crate_hash_input.hash_stable(&mut self.hcx, &mut stable_hasher); | |
193 | let crate_hash: Fingerprint = stable_hasher.finish(); | |
0731742a XL |
194 | |
195 | let svh = Svh::new(crate_hash.to_smaller_hash()); | |
ff7c6d11 | 196 | (self.map, svh) |
3b2f2976 XL |
197 | } |
198 | ||
ba9703b0 | 199 | fn insert_entry(&mut self, id: HirId, entry: Entry<'hir>, hash: Fingerprint) { |
48663c56 | 200 | let i = id.local_id.as_u32() as usize; |
ba9703b0 XL |
201 | |
202 | let arena = self.arena; | |
203 | ||
204 | let data = &mut self.map[id.owner]; | |
205 | ||
206 | if data.with_bodies.is_none() { | |
207 | data.with_bodies = Some(arena.alloc(OwnerNodes { | |
208 | hash, | |
209 | nodes: IndexVec::new(), | |
210 | bodies: FxHashMap::default(), | |
211 | })); | |
212 | } | |
213 | ||
214 | let nodes = data.with_bodies.as_mut().unwrap(); | |
215 | ||
216 | if i == 0 { | |
217 | // Overwrite the dummy hash with the real HIR owner hash. | |
218 | nodes.hash = hash; | |
219 | ||
6a06907d | 220 | debug_assert!(data.signature.is_none()); |
ba9703b0 XL |
221 | data.signature = |
222 | Some(self.arena.alloc(Owner { parent: entry.parent, node: entry.node })); | |
6a06907d XL |
223 | |
224 | let dk_parent = self.definitions.def_key(id.owner).parent; | |
225 | if let Some(dk_parent) = dk_parent { | |
226 | let dk_parent = LocalDefId { local_def_index: dk_parent }; | |
227 | let dk_parent = self.definitions.local_def_id_to_hir_id(dk_parent); | |
228 | if dk_parent.owner != entry.parent.owner { | |
229 | panic!( | |
230 | "Different parents for {:?} => dk_parent={:?} actual={:?}", | |
231 | id.owner, dk_parent, entry.parent, | |
232 | ) | |
233 | } | |
234 | } | |
ba9703b0 XL |
235 | } else { |
236 | assert_eq!(entry.parent.owner, id.owner); | |
237 | insert_vec_map( | |
238 | &mut nodes.nodes, | |
239 | id.local_id, | |
240 | ParentedNode { parent: entry.parent.local_id, node: entry.node }, | |
241 | ); | |
48663c56 | 242 | } |
b039eaaf SL |
243 | } |
244 | ||
9fa01778 | 245 | fn insert(&mut self, span: Span, hir_id: HirId, node: Node<'hir>) { |
ba9703b0 XL |
246 | self.insert_with_hash(span, hir_id, node, Fingerprint::ZERO) |
247 | } | |
248 | ||
249 | fn insert_with_hash(&mut self, span: Span, hir_id: HirId, node: Node<'hir>, hash: Fingerprint) { | |
250 | let entry = Entry { parent: self.parent_node, node }; | |
3b2f2976 XL |
251 | |
252 | // Make sure that the DepNode of some node coincides with the HirId | |
253 | // owner of that node. | |
254 | if cfg!(debug_assertions) { | |
8faf50e0 | 255 | if hir_id.owner != self.current_dep_node_owner { |
f035d41b | 256 | let node_str = match self.definitions.opt_hir_id_to_local_def_id(hir_id) { |
1b1a35ee | 257 | Some(def_id) => self.definitions.def_path(def_id).to_string_no_crate_verbose(), |
60c5eb7d | 258 | None => format!("{:?}", node), |
3b2f2976 XL |
259 | }; |
260 | ||
13cf67c4 XL |
261 | span_bug!( |
262 | span, | |
263 | "inconsistent DepNode at `{:?}` for `{}`: \ | |
ba9703b0 | 264 | current_dep_node_owner={} ({:?}), hir_id.owner={} ({:?})", |
13cf67c4 | 265 | self.source_map.span_to_string(span), |
3b2f2976 | 266 | node_str, |
1b1a35ee XL |
267 | self.definitions |
268 | .def_path(self.current_dep_node_owner) | |
269 | .to_string_no_crate_verbose(), | |
13cf67c4 | 270 | self.current_dep_node_owner, |
1b1a35ee | 271 | self.definitions.def_path(hir_id.owner).to_string_no_crate_verbose(), |
13cf67c4 | 272 | hir_id.owner, |
13cf67c4 | 273 | ) |
3b2f2976 XL |
274 | } |
275 | } | |
276 | ||
ba9703b0 | 277 | self.insert_entry(hir_id, entry, hash); |
b039eaaf | 278 | } |
a7813a04 | 279 | |
60c5eb7d | 280 | fn with_parent<F: FnOnce(&mut Self)>(&mut self, parent_node_id: HirId, f: F) { |
a7813a04 | 281 | let parent_node = self.parent_node; |
9fa01778 | 282 | self.parent_node = parent_node_id; |
a7813a04 XL |
283 | f(self); |
284 | self.parent_node = parent_node; | |
285 | } | |
3b2f2976 | 286 | |
60c5eb7d XL |
287 | fn with_dep_node_owner< |
288 | T: for<'b> HashStable<StableHashingContext<'b>>, | |
ba9703b0 | 289 | F: FnOnce(&mut Self, Fingerprint), |
60c5eb7d XL |
290 | >( |
291 | &mut self, | |
ba9703b0 | 292 | dep_node_owner: LocalDefId, |
60c5eb7d XL |
293 | item_like: &T, |
294 | f: F, | |
295 | ) { | |
3b2f2976 | 296 | let prev_owner = self.current_dep_node_owner; |
ea8adc8c XL |
297 | |
298 | let def_path_hash = self.definitions.def_path_hash(dep_node_owner); | |
299 | ||
ba9703b0 | 300 | let hash = hash_body(&mut self.hcx, def_path_hash, item_like, &mut self.hir_body_nodes); |
ea8adc8c | 301 | |
3b2f2976 | 302 | self.current_dep_node_owner = dep_node_owner; |
ba9703b0 | 303 | f(self, hash); |
3b2f2976 XL |
304 | self.current_dep_node_owner = prev_owner; |
305 | } | |
b039eaaf SL |
306 | } |
307 | ||
3b2f2976 | 308 | impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { |
dfeec247 XL |
309 | type Map = Map<'hir>; |
310 | ||
92a42be0 SL |
311 | /// Because we want to track parent items and so forth, enable |
312 | /// deep walking so that we walk nested items in the context of | |
313 | /// their outer items. | |
476ff2be | 314 | |
ba9703b0 | 315 | fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> { |
e1599b0c | 316 | panic!("`visit_nested_xxx` must be manually implemented in this visitor"); |
476ff2be SL |
317 | } |
318 | ||
92a42be0 | 319 | fn visit_nested_item(&mut self, item: ItemId) { |
7453a54e | 320 | debug!("visit_nested_item: {:?}", item); |
6a06907d | 321 | self.visit_item(self.krate.item(item)); |
32a655c1 SL |
322 | } |
323 | ||
324 | fn visit_nested_trait_item(&mut self, item_id: TraitItemId) { | |
325 | self.visit_trait_item(self.krate.trait_item(item_id)); | |
92a42be0 SL |
326 | } |
327 | ||
476ff2be | 328 | fn visit_nested_impl_item(&mut self, item_id: ImplItemId) { |
32a655c1 | 329 | self.visit_impl_item(self.krate.impl_item(item_id)); |
476ff2be SL |
330 | } |
331 | ||
fc512014 XL |
332 | fn visit_nested_foreign_item(&mut self, foreign_id: ForeignItemId) { |
333 | self.visit_foreign_item(self.krate.foreign_item(foreign_id)); | |
334 | } | |
335 | ||
32a655c1 SL |
336 | fn visit_nested_body(&mut self, id: BodyId) { |
337 | self.visit_body(self.krate.body(id)); | |
476ff2be SL |
338 | } |
339 | ||
dfeec247 | 340 | fn visit_param(&mut self, param: &'hir Param<'hir>) { |
e1599b0c XL |
341 | let node = Node::Param(param); |
342 | self.insert(param.pat.span, param.hir_id, node); | |
343 | self.with_parent(param.hir_id, |this| { | |
344 | intravisit::walk_param(this, param); | |
416331ca XL |
345 | }); |
346 | } | |
347 | ||
dfeec247 | 348 | fn visit_item(&mut self, i: &'hir Item<'hir>) { |
7453a54e | 349 | debug!("visit_item: {:?}", i); |
6a06907d XL |
350 | self.with_dep_node_owner(i.def_id, i, |this, hash| { |
351 | let hir_id = i.hir_id(); | |
352 | this.insert_with_hash(i.span, hir_id, Node::Item(i), hash); | |
353 | this.with_parent(hir_id, |this| { | |
e74abb32 | 354 | if let ItemKind::Struct(ref struct_def, _) = i.kind { |
532ac7d7 XL |
355 | // If this is a tuple or unit-like struct, register the constructor. |
356 | if let Some(ctor_hir_id) = struct_def.ctor_hir_id() { | |
357 | this.insert(i.span, ctor_hir_id, Node::Ctor(struct_def)); | |
a7813a04 | 358 | } |
b039eaaf | 359 | } |
3b2f2976 XL |
360 | intravisit::walk_item(this, i); |
361 | }); | |
a7813a04 | 362 | }); |
b039eaaf SL |
363 | } |
364 | ||
fc512014 | 365 | fn visit_foreign_item(&mut self, fi: &'hir ForeignItem<'hir>) { |
6a06907d XL |
366 | self.with_dep_node_owner(fi.def_id, fi, |this, hash| { |
367 | this.insert_with_hash(fi.span, fi.hir_id(), Node::ForeignItem(fi), hash); | |
b039eaaf | 368 | |
6a06907d | 369 | this.with_parent(fi.hir_id(), |this| { |
fc512014 XL |
370 | intravisit::walk_foreign_item(this, fi); |
371 | }); | |
a7813a04 | 372 | }); |
b039eaaf SL |
373 | } |
374 | ||
dfeec247 | 375 | fn visit_generic_param(&mut self, param: &'hir GenericParam<'hir>) { |
29967ef6 XL |
376 | if let hir::GenericParamKind::Type { |
377 | synthetic: Some(hir::SyntheticTyParamKind::ImplTrait), | |
378 | .. | |
379 | } = param.kind | |
380 | { | |
381 | debug_assert_eq!( | |
382 | param.hir_id.owner, | |
383 | self.definitions.opt_hir_id_to_local_def_id(param.hir_id).unwrap() | |
384 | ); | |
385 | self.with_dep_node_owner(param.hir_id.owner, param, |this, hash| { | |
386 | this.insert_with_hash(param.span, param.hir_id, Node::GenericParam(param), hash); | |
387 | ||
388 | this.with_parent(param.hir_id, |this| { | |
389 | intravisit::walk_generic_param(this, param); | |
390 | }); | |
391 | }); | |
392 | } else { | |
393 | self.insert(param.span, param.hir_id, Node::GenericParam(param)); | |
394 | intravisit::walk_generic_param(self, param); | |
395 | } | |
b039eaaf SL |
396 | } |
397 | ||
dfeec247 | 398 | fn visit_trait_item(&mut self, ti: &'hir TraitItem<'hir>) { |
6a06907d XL |
399 | self.with_dep_node_owner(ti.def_id, ti, |this, hash| { |
400 | this.insert_with_hash(ti.span, ti.hir_id(), Node::TraitItem(ti), hash); | |
3b2f2976 | 401 | |
6a06907d | 402 | this.with_parent(ti.hir_id(), |this| { |
3b2f2976 XL |
403 | intravisit::walk_trait_item(this, ti); |
404 | }); | |
a7813a04 | 405 | }); |
b039eaaf SL |
406 | } |
407 | ||
dfeec247 | 408 | fn visit_impl_item(&mut self, ii: &'hir ImplItem<'hir>) { |
6a06907d XL |
409 | self.with_dep_node_owner(ii.def_id, ii, |this, hash| { |
410 | this.insert_with_hash(ii.span, ii.hir_id(), Node::ImplItem(ii), hash); | |
3b2f2976 | 411 | |
6a06907d | 412 | this.with_parent(ii.hir_id(), |this| { |
3b2f2976 XL |
413 | intravisit::walk_impl_item(this, ii); |
414 | }); | |
a7813a04 | 415 | }); |
b039eaaf SL |
416 | } |
417 | ||
dfeec247 | 418 | fn visit_pat(&mut self, pat: &'hir Pat<'hir>) { |
60c5eb7d XL |
419 | let node = |
420 | if let PatKind::Binding(..) = pat.kind { Node::Binding(pat) } else { Node::Pat(pat) }; | |
9fa01778 | 421 | self.insert(pat.span, pat.hir_id, node); |
b039eaaf | 422 | |
9fa01778 | 423 | self.with_parent(pat.hir_id, |this| { |
a7813a04 XL |
424 | intravisit::walk_pat(this, pat); |
425 | }); | |
b039eaaf SL |
426 | } |
427 | ||
dfeec247 | 428 | fn visit_arm(&mut self, arm: &'hir Arm<'hir>) { |
dc9dc135 XL |
429 | let node = Node::Arm(arm); |
430 | ||
431 | self.insert(arm.span, arm.hir_id, node); | |
432 | ||
433 | self.with_parent(arm.hir_id, |this| { | |
434 | intravisit::walk_arm(this, arm); | |
435 | }); | |
436 | } | |
437 | ||
94b46f34 | 438 | fn visit_anon_const(&mut self, constant: &'hir AnonConst) { |
9fa01778 | 439 | self.insert(DUMMY_SP, constant.hir_id, Node::AnonConst(constant)); |
94b46f34 | 440 | |
9fa01778 | 441 | self.with_parent(constant.hir_id, |this| { |
94b46f34 XL |
442 | intravisit::walk_anon_const(this, constant); |
443 | }); | |
444 | } | |
445 | ||
dfeec247 | 446 | fn visit_expr(&mut self, expr: &'hir Expr<'hir>) { |
9fa01778 | 447 | self.insert(expr.span, expr.hir_id, Node::Expr(expr)); |
b039eaaf | 448 | |
9fa01778 | 449 | self.with_parent(expr.hir_id, |this| { |
a7813a04 XL |
450 | intravisit::walk_expr(this, expr); |
451 | }); | |
b039eaaf SL |
452 | } |
453 | ||
dfeec247 | 454 | fn visit_stmt(&mut self, stmt: &'hir Stmt<'hir>) { |
9fa01778 | 455 | self.insert(stmt.span, stmt.hir_id, Node::Stmt(stmt)); |
a7813a04 | 456 | |
9fa01778 | 457 | self.with_parent(stmt.hir_id, |this| { |
a7813a04 XL |
458 | intravisit::walk_stmt(this, stmt); |
459 | }); | |
b039eaaf SL |
460 | } |
461 | ||
dfeec247 | 462 | fn visit_path_segment(&mut self, path_span: Span, path_segment: &'hir PathSegment<'hir>) { |
9fa01778 XL |
463 | if let Some(hir_id) = path_segment.hir_id { |
464 | self.insert(path_span, hir_id, Node::PathSegment(path_segment)); | |
13cf67c4 XL |
465 | } |
466 | intravisit::walk_path_segment(self, path_span, path_segment); | |
467 | } | |
468 | ||
dfeec247 | 469 | fn visit_ty(&mut self, ty: &'hir Ty<'hir>) { |
9fa01778 | 470 | self.insert(ty.span, ty.hir_id, Node::Ty(ty)); |
5bcae85e | 471 | |
9fa01778 | 472 | self.with_parent(ty.hir_id, |this| { |
5bcae85e SL |
473 | intravisit::walk_ty(this, ty); |
474 | }); | |
475 | } | |
476 | ||
dfeec247 | 477 | fn visit_trait_ref(&mut self, tr: &'hir TraitRef<'hir>) { |
9fa01778 | 478 | self.insert(tr.path.span, tr.hir_ref_id, Node::TraitRef(tr)); |
476ff2be | 479 | |
9fa01778 | 480 | self.with_parent(tr.hir_ref_id, |this| { |
476ff2be SL |
481 | intravisit::walk_trait_ref(this, tr); |
482 | }); | |
483 | } | |
484 | ||
60c5eb7d XL |
485 | fn visit_fn( |
486 | &mut self, | |
487 | fk: intravisit::FnKind<'hir>, | |
dfeec247 | 488 | fd: &'hir FnDecl<'hir>, |
60c5eb7d XL |
489 | b: BodyId, |
490 | s: Span, | |
491 | id: HirId, | |
492 | ) { | |
b039eaaf | 493 | assert_eq!(self.parent_node, id); |
5bcae85e | 494 | intravisit::walk_fn(self, fk, fd, b, s, id); |
b039eaaf SL |
495 | } |
496 | ||
dfeec247 | 497 | fn visit_block(&mut self, block: &'hir Block<'hir>) { |
9fa01778 XL |
498 | self.insert(block.span, block.hir_id, Node::Block(block)); |
499 | self.with_parent(block.hir_id, |this| { | |
a7813a04 XL |
500 | intravisit::walk_block(this, block); |
501 | }); | |
b039eaaf SL |
502 | } |
503 | ||
dfeec247 | 504 | fn visit_local(&mut self, l: &'hir Local<'hir>) { |
9fa01778 | 505 | self.insert(l.span, l.hir_id, Node::Local(l)); |
60c5eb7d | 506 | self.with_parent(l.hir_id, |this| intravisit::walk_local(this, l)) |
3b2f2976 XL |
507 | } |
508 | ||
32a655c1 | 509 | fn visit_lifetime(&mut self, lifetime: &'hir Lifetime) { |
9fa01778 | 510 | self.insert(lifetime.span, lifetime.hir_id, Node::Lifetime(lifetime)); |
b039eaaf | 511 | } |
476ff2be | 512 | |
dfeec247 | 513 | fn visit_vis(&mut self, visibility: &'hir Visibility<'hir>) { |
8faf50e0 | 514 | match visibility.node { |
60c5eb7d | 515 | VisibilityKind::Public | VisibilityKind::Crate(_) | VisibilityKind::Inherited => {} |
9fa01778 XL |
516 | VisibilityKind::Restricted { hir_id, .. } => { |
517 | self.insert(visibility.span, hir_id, Node::Visibility(visibility)); | |
518 | self.with_parent(hir_id, |this| { | |
476ff2be SL |
519 | intravisit::walk_vis(this, visibility); |
520 | }); | |
521 | } | |
522 | } | |
523 | } | |
524 | ||
dfeec247 | 525 | fn visit_macro_def(&mut self, macro_def: &'hir MacroDef<'hir>) { |
5869c6ff XL |
526 | // Exported macros are visited directly from the crate root, |
527 | // so they do not have `parent_node` set. | |
528 | // Find the correct enclosing module from their DefKey. | |
6a06907d | 529 | let def_key = self.definitions.def_key(macro_def.def_id); |
5869c6ff XL |
530 | let parent = def_key.parent.map_or(hir::CRATE_HIR_ID, |local_def_index| { |
531 | self.definitions.local_def_id_to_hir_id(LocalDefId { local_def_index }) | |
532 | }); | |
533 | self.with_parent(parent, |this| { | |
6a06907d | 534 | this.with_dep_node_owner(macro_def.def_id, macro_def, |this, hash| { |
5869c6ff XL |
535 | this.insert_with_hash( |
536 | macro_def.span, | |
6a06907d | 537 | macro_def.hir_id(), |
5869c6ff XL |
538 | Node::MacroDef(macro_def), |
539 | hash, | |
540 | ); | |
541 | }) | |
ea8adc8c | 542 | }); |
476ff2be SL |
543 | } |
544 | ||
dfeec247 | 545 | fn visit_variant(&mut self, v: &'hir Variant<'hir>, g: &'hir Generics<'hir>, item_id: HirId) { |
e1599b0c XL |
546 | self.insert(v.span, v.id, Node::Variant(v)); |
547 | self.with_parent(v.id, |this| { | |
532ac7d7 | 548 | // Register the constructor of this variant. |
e1599b0c XL |
549 | if let Some(ctor_hir_id) = v.data.ctor_hir_id() { |
550 | this.insert(v.span, ctor_hir_id, Node::Ctor(&v.data)); | |
532ac7d7 | 551 | } |
32a655c1 SL |
552 | intravisit::walk_variant(this, v, g, item_id); |
553 | }); | |
554 | } | |
555 | ||
6a06907d | 556 | fn visit_field_def(&mut self, field: &'hir FieldDef<'hir>) { |
9fa01778 XL |
557 | self.insert(field.span, field.hir_id, Node::Field(field)); |
558 | self.with_parent(field.hir_id, |this| { | |
6a06907d | 559 | intravisit::walk_field_def(this, field); |
476ff2be SL |
560 | }); |
561 | } | |
3b2f2976 XL |
562 | |
563 | fn visit_trait_item_ref(&mut self, ii: &'hir TraitItemRef) { | |
564 | // Do not visit the duplicate information in TraitItemRef. We want to | |
565 | // map the actual nodes, not the duplicate ones in the *Ref. | |
60c5eb7d | 566 | let TraitItemRef { id, ident: _, kind: _, span: _, defaultness: _ } = *ii; |
3b2f2976 XL |
567 | |
568 | self.visit_nested_trait_item(id); | |
569 | } | |
570 | ||
dfeec247 | 571 | fn visit_impl_item_ref(&mut self, ii: &'hir ImplItemRef<'hir>) { |
3b2f2976 XL |
572 | // Do not visit the duplicate information in ImplItemRef. We want to |
573 | // map the actual nodes, not the duplicate ones in the *Ref. | |
60c5eb7d | 574 | let ImplItemRef { id, ident: _, kind: _, span: _, vis: _, defaultness: _ } = *ii; |
3b2f2976 XL |
575 | |
576 | self.visit_nested_impl_item(id); | |
577 | } | |
fc512014 XL |
578 | |
579 | fn visit_foreign_item_ref(&mut self, fi: &'hir ForeignItemRef<'hir>) { | |
580 | // Do not visit the duplicate information in ForeignItemRef. We want to | |
581 | // map the actual nodes, not the duplicate ones in the *Ref. | |
582 | let ForeignItemRef { id, ident: _, span: _, vis: _ } = *fi; | |
583 | ||
584 | self.visit_nested_foreign_item(id); | |
585 | } | |
b039eaaf | 586 | } |