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
|
//! FIXME: write short doc here
use std::sync::Arc;
use ra_db::{
salsa::{self, Database, Durability},
Canceled, CheckCanceled, CrateId, FileId, FileLoader, FileLoaderDelegate, RelativePath,
SourceDatabase, SourceDatabaseExt, SourceRootId,
};
use rustc_hash::FxHashMap;
use crate::{
symbol_index::{self, SymbolsDatabase},
FeatureFlags, LineIndex,
};
#[salsa::database(
ra_db::SourceDatabaseStorage,
ra_db::SourceDatabaseExtStorage,
LineIndexDatabaseStorage,
symbol_index::SymbolsDatabaseStorage,
hir::db::InternDatabaseStorage,
hir::db::AstDatabaseStorage,
hir::db::DefDatabaseStorage,
hir::db::DefDatabase2Storage,
hir::db::HirDatabaseStorage
)]
#[derive(Debug)]
pub(crate) struct RootDatabase {
runtime: salsa::Runtime<RootDatabase>,
pub(crate) feature_flags: Arc<FeatureFlags>,
pub(crate) debug_data: Arc<DebugData>,
pub(crate) last_gc: crate::wasm_shims::Instant,
pub(crate) last_gc_check: crate::wasm_shims::Instant,
}
impl FileLoader for RootDatabase {
fn file_text(&self, file_id: FileId) -> Arc<String> {
FileLoaderDelegate(self).file_text(file_id)
}
fn resolve_relative_path(
&self,
anchor: FileId,
relative_path: &RelativePath,
) -> Option<FileId> {
FileLoaderDelegate(self).resolve_relative_path(anchor, relative_path)
}
fn relevant_crates(&self, file_id: FileId) -> Arc<Vec<CrateId>> {
FileLoaderDelegate(self).relevant_crates(file_id)
}
}
impl hir::debug::HirDebugHelper for RootDatabase {
fn crate_name(&self, krate: CrateId) -> Option<String> {
self.debug_data.crate_names.get(&krate).cloned()
}
fn file_path(&self, file_id: FileId) -> Option<String> {
let source_root_id = self.file_source_root(file_id);
let source_root_path = self.debug_data.root_paths.get(&source_root_id)?;
let file_path = self.file_relative_path(file_id);
Some(format!("{}/{}", source_root_path, file_path))
}
}
impl salsa::Database for RootDatabase {
fn salsa_runtime(&self) -> &salsa::Runtime<RootDatabase> {
&self.runtime
}
fn on_propagated_panic(&self) -> ! {
Canceled::throw()
}
fn salsa_event(&self, event: impl Fn() -> salsa::Event<RootDatabase>) {
match event().kind {
salsa::EventKind::DidValidateMemoizedValue { .. }
| salsa::EventKind::WillExecute { .. } => {
self.check_canceled();
}
_ => (),
}
}
}
impl Default for RootDatabase {
fn default() -> RootDatabase {
RootDatabase::new(None, FeatureFlags::default())
}
}
impl RootDatabase {
pub fn new(lru_capacity: Option<usize>, feature_flags: FeatureFlags) -> RootDatabase {
let mut db = RootDatabase {
runtime: salsa::Runtime::default(),
last_gc: crate::wasm_shims::Instant::now(),
last_gc_check: crate::wasm_shims::Instant::now(),
feature_flags: Arc::new(feature_flags),
debug_data: Default::default(),
};
db.set_crate_graph_with_durability(Default::default(), Durability::HIGH);
db.set_local_roots_with_durability(Default::default(), Durability::HIGH);
db.set_library_roots_with_durability(Default::default(), Durability::HIGH);
let lru_capacity = lru_capacity.unwrap_or(ra_db::DEFAULT_LRU_CAP);
db.query_mut(ra_db::ParseQuery).set_lru_capacity(lru_capacity);
db.query_mut(hir::db::ParseMacroQuery).set_lru_capacity(lru_capacity);
db.query_mut(hir::db::MacroExpandQuery).set_lru_capacity(lru_capacity);
db
}
}
impl salsa::ParallelDatabase for RootDatabase {
fn snapshot(&self) -> salsa::Snapshot<RootDatabase> {
salsa::Snapshot::new(RootDatabase {
runtime: self.runtime.snapshot(self),
last_gc: self.last_gc,
last_gc_check: self.last_gc_check,
feature_flags: Arc::clone(&self.feature_flags),
debug_data: Arc::clone(&self.debug_data),
})
}
}
#[salsa::query_group(LineIndexDatabaseStorage)]
pub(crate) trait LineIndexDatabase: ra_db::SourceDatabase + CheckCanceled {
fn line_index(&self, file_id: FileId) -> Arc<LineIndex>;
}
fn line_index(db: &impl LineIndexDatabase, file_id: FileId) -> Arc<LineIndex> {
let text = db.file_text(file_id);
Arc::new(LineIndex::new(&*text))
}
#[derive(Debug, Default, Clone)]
pub(crate) struct DebugData {
pub(crate) root_paths: FxHashMap<SourceRootId, String>,
pub(crate) crate_names: FxHashMap<CrateId, String>,
}
impl DebugData {
pub(crate) fn merge(&mut self, other: DebugData) {
self.root_paths.extend(other.root_paths.into_iter());
self.crate_names.extend(other.crate_names.into_iter());
}
}
|
