1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
|
//! FIXME: write short doc here
use std::{fmt, sync::Arc, time};
use ra_db::{
salsa::{Database, Durability, SweepStrategy},
CrateGraph, CrateId, FileId, RelativePathBuf, SourceDatabase, SourceDatabaseExt, SourceRoot,
SourceRootId,
};
use ra_prof::{memory_usage, profile, Bytes};
use ra_syntax::SourceFile;
#[cfg(not(feature = "wasm"))]
use rayon::prelude::*;
use rustc_hash::FxHashMap;
use crate::{
db::{DebugData, RootDatabase},
ide_db::symbol_index::{SymbolIndex, SymbolsDatabase},
};
#[derive(Default)]
pub struct AnalysisChange {
new_roots: Vec<(SourceRootId, bool)>,
roots_changed: FxHashMap<SourceRootId, RootChange>,
files_changed: Vec<(FileId, Arc<String>)>,
libraries_added: Vec<LibraryData>,
crate_graph: Option<CrateGraph>,
debug_data: DebugData,
}
impl fmt::Debug for AnalysisChange {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
let mut d = fmt.debug_struct("AnalysisChange");
if !self.new_roots.is_empty() {
d.field("new_roots", &self.new_roots);
}
if !self.roots_changed.is_empty() {
d.field("roots_changed", &self.roots_changed);
}
if !self.files_changed.is_empty() {
d.field("files_changed", &self.files_changed.len());
}
if !self.libraries_added.is_empty() {
d.field("libraries_added", &self.libraries_added.len());
}
if !self.crate_graph.is_none() {
d.field("crate_graph", &self.crate_graph);
}
d.finish()
}
}
impl AnalysisChange {
pub fn new() -> AnalysisChange {
AnalysisChange::default()
}
pub fn add_root(&mut self, root_id: SourceRootId, is_local: bool) {
self.new_roots.push((root_id, is_local));
}
pub fn add_file(
&mut self,
root_id: SourceRootId,
file_id: FileId,
path: RelativePathBuf,
text: Arc<String>,
) {
let file = AddFile { file_id, path, text };
self.roots_changed.entry(root_id).or_default().added.push(file);
}
pub fn change_file(&mut self, file_id: FileId, new_text: Arc<String>) {
self.files_changed.push((file_id, new_text))
}
pub fn remove_file(&mut self, root_id: SourceRootId, file_id: FileId, path: RelativePathBuf) {
let file = RemoveFile { file_id, path };
self.roots_changed.entry(root_id).or_default().removed.push(file);
}
pub fn add_library(&mut self, data: LibraryData) {
self.libraries_added.push(data)
}
pub fn set_crate_graph(&mut self, graph: CrateGraph) {
self.crate_graph = Some(graph);
}
pub fn set_debug_crate_name(&mut self, crate_id: CrateId, name: String) {
self.debug_data.crate_names.insert(crate_id, name);
}
pub fn set_debug_root_path(&mut self, source_root_id: SourceRootId, path: String) {
self.debug_data.root_paths.insert(source_root_id, path);
}
}
#[derive(Debug)]
struct AddFile {
file_id: FileId,
path: RelativePathBuf,
text: Arc<String>,
}
#[derive(Debug)]
struct RemoveFile {
file_id: FileId,
path: RelativePathBuf,
}
#[derive(Default)]
struct RootChange {
added: Vec<AddFile>,
removed: Vec<RemoveFile>,
}
impl fmt::Debug for RootChange {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt.debug_struct("AnalysisChange")
.field("added", &self.added.len())
.field("removed", &self.removed.len())
.finish()
}
}
pub struct LibraryData {
root_id: SourceRootId,
root_change: RootChange,
symbol_index: SymbolIndex,
}
impl fmt::Debug for LibraryData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("LibraryData")
.field("root_id", &self.root_id)
.field("root_change", &self.root_change)
.field("n_symbols", &self.symbol_index.len())
.finish()
}
}
impl LibraryData {
pub fn prepare(
root_id: SourceRootId,
files: Vec<(FileId, RelativePathBuf, Arc<String>)>,
) -> LibraryData {
let _p = profile("LibraryData::prepare");
#[cfg(not(feature = "wasm"))]
let iter = files.par_iter();
#[cfg(feature = "wasm")]
let iter = files.iter();
let symbol_index = SymbolIndex::for_files(iter.map(|(file_id, _, text)| {
let parse = SourceFile::parse(text);
(*file_id, parse)
}));
let mut root_change = RootChange::default();
root_change.added = files
.into_iter()
.map(|(file_id, path, text)| AddFile { file_id, path, text })
.collect();
LibraryData { root_id, root_change, symbol_index }
}
}
const GC_COOLDOWN: time::Duration = time::Duration::from_millis(100);
impl RootDatabase {
pub(crate) fn request_cancellation(&mut self) {
let _p = profile("RootDatabase::request_cancellation");
self.salsa_runtime_mut().synthetic_write(Durability::LOW);
}
pub(crate) fn apply_change(&mut self, change: AnalysisChange) {
let _p = profile("RootDatabase::apply_change");
self.request_cancellation();
log::info!("apply_change {:?}", change);
if !change.new_roots.is_empty() {
let mut local_roots = Vec::clone(&self.local_roots());
for (root_id, is_local) in change.new_roots {
let root =
if is_local { SourceRoot::new_local() } else { SourceRoot::new_library() };
let durability = durability(&root);
self.set_source_root_with_durability(root_id, Arc::new(root), durability);
if is_local {
local_roots.push(root_id);
}
}
self.set_local_roots_with_durability(Arc::new(local_roots), Durability::HIGH);
}
for (root_id, root_change) in change.roots_changed {
self.apply_root_change(root_id, root_change);
}
for (file_id, text) in change.files_changed {
let source_root_id = self.file_source_root(file_id);
let source_root = self.source_root(source_root_id);
let durability = durability(&source_root);
self.set_file_text_with_durability(file_id, text, durability)
}
if !change.libraries_added.is_empty() {
let mut libraries = Vec::clone(&self.library_roots());
for library in change.libraries_added {
libraries.push(library.root_id);
self.set_source_root_with_durability(
library.root_id,
Arc::new(SourceRoot::new_library()),
Durability::HIGH,
);
self.set_library_symbols_with_durability(
library.root_id,
Arc::new(library.symbol_index),
Durability::HIGH,
);
self.apply_root_change(library.root_id, library.root_change);
}
self.set_library_roots_with_durability(Arc::new(libraries), Durability::HIGH);
}
if let Some(crate_graph) = change.crate_graph {
self.set_crate_graph_with_durability(Arc::new(crate_graph), Durability::HIGH)
}
Arc::make_mut(&mut self.debug_data).merge(change.debug_data)
}
fn apply_root_change(&mut self, root_id: SourceRootId, root_change: RootChange) {
let mut source_root = SourceRoot::clone(&self.source_root(root_id));
let durability = durability(&source_root);
for add_file in root_change.added {
self.set_file_text_with_durability(add_file.file_id, add_file.text, durability);
self.set_file_relative_path_with_durability(
add_file.file_id,
add_file.path.clone(),
durability,
);
self.set_file_source_root_with_durability(add_file.file_id, root_id, durability);
source_root.insert_file(add_file.path, add_file.file_id);
}
for remove_file in root_change.removed {
self.set_file_text_with_durability(remove_file.file_id, Default::default(), durability);
source_root.remove_file(&remove_file.path);
}
self.set_source_root_with_durability(root_id, Arc::new(source_root), durability);
}
pub(crate) fn maybe_collect_garbage(&mut self) {
if cfg!(feature = "wasm") {
return;
}
if self.last_gc_check.elapsed() > GC_COOLDOWN {
self.last_gc_check = crate::wasm_shims::Instant::now();
}
}
pub(crate) fn collect_garbage(&mut self) {
if cfg!(feature = "wasm") {
return;
}
let _p = profile("RootDatabase::collect_garbage");
self.last_gc = crate::wasm_shims::Instant::now();
let sweep = SweepStrategy::default().discard_values().sweep_all_revisions();
self.query(ra_db::ParseQuery).sweep(sweep);
self.query(hir::db::ParseMacroQuery).sweep(sweep);
// Macros do take significant space, but less then the syntax trees
// self.query(hir::db::MacroDefQuery).sweep(sweep);
// self.query(hir::db::MacroArgQuery).sweep(sweep);
// self.query(hir::db::MacroExpandQuery).sweep(sweep);
self.query(hir::db::AstIdMapQuery).sweep(sweep);
self.query(hir::db::BodyWithSourceMapQuery).sweep(sweep);
self.query(hir::db::ExprScopesQuery).sweep(sweep);
self.query(hir::db::DoInferQuery).sweep(sweep);
self.query(hir::db::BodyQuery).sweep(sweep);
}
pub(crate) fn per_query_memory_usage(&mut self) -> Vec<(String, Bytes)> {
let mut acc: Vec<(String, Bytes)> = vec![];
let sweep = SweepStrategy::default().discard_values().sweep_all_revisions();
macro_rules! sweep_each_query {
($($q:path)*) => {$(
let before = memory_usage().allocated;
self.query($q).sweep(sweep);
let after = memory_usage().allocated;
let q: $q = Default::default();
let name = format!("{:?}", q);
acc.push((name, before - after));
let before = memory_usage().allocated;
self.query($q).sweep(sweep.discard_everything());
let after = memory_usage().allocated;
let q: $q = Default::default();
let name = format!("{:?} (deps)", q);
acc.push((name, before - after));
)*}
}
sweep_each_query![
// SourceDatabase
ra_db::ParseQuery
ra_db::SourceRootCratesQuery
// AstDatabase
hir::db::AstIdMapQuery
hir::db::InternMacroQuery
hir::db::MacroArgQuery
hir::db::MacroDefQuery
hir::db::ParseMacroQuery
hir::db::MacroExpandQuery
// DefDatabase
hir::db::RawItemsQuery
hir::db::ComputeCrateDefMapQuery
hir::db::StructDataQuery
hir::db::UnionDataQuery
hir::db::EnumDataQuery
hir::db::ImplDataQuery
hir::db::TraitDataQuery
hir::db::TypeAliasDataQuery
hir::db::FunctionDataQuery
hir::db::ConstDataQuery
hir::db::StaticDataQuery
hir::db::BodyWithSourceMapQuery
hir::db::BodyQuery
hir::db::ExprScopesQuery
hir::db::GenericParamsQuery
hir::db::AttrsQuery
hir::db::ModuleLangItemsQuery
hir::db::CrateLangItemsQuery
hir::db::LangItemQuery
hir::db::DocumentationQuery
// InternDatabase
hir::db::InternFunctionQuery
hir::db::InternStructQuery
hir::db::InternUnionQuery
hir::db::InternEnumQuery
hir::db::InternConstQuery
hir::db::InternStaticQuery
hir::db::InternTraitQuery
hir::db::InternTypeAliasQuery
hir::db::InternImplQuery
// HirDatabase
hir::db::DoInferQuery
hir::db::TyQuery
hir::db::ValueTyQuery
hir::db::ImplSelfTyQuery
hir::db::ImplTraitQuery
hir::db::FieldTypesQuery
hir::db::CallableItemSignatureQuery
hir::db::GenericPredicatesForParamQuery
hir::db::GenericPredicatesQuery
hir::db::GenericDefaultsQuery
hir::db::ImplsInCrateQuery
hir::db::ImplsForTraitQuery
hir::db::TraitSolverQuery
hir::db::InternTypeCtorQuery
hir::db::InternChalkImplQuery
hir::db::InternAssocTyValueQuery
hir::db::AssociatedTyDataQuery
hir::db::AssociatedTyValueQuery
hir::db::TraitSolveQuery
hir::db::TraitDatumQuery
hir::db::StructDatumQuery
hir::db::ImplDatumQuery
];
acc.sort_by_key(|it| std::cmp::Reverse(it.1));
acc
}
}
fn durability(source_root: &SourceRoot) -> Durability {
if source_root.is_library {
Durability::HIGH
} else {
Durability::LOW
}
}
|