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
|
use std::sync::Arc;
use ra_db::{
BaseDatabase, FileId, Canceled,
salsa::{self, Database},
};
use crate::{symbol_index, LineIndex};
#[salsa::database(
ra_db::FilesDatabase,
ra_db::SyntaxDatabase,
LineIndexDatabase,
symbol_index::SymbolsDatabase,
hir::db::HirDatabase
)]
#[derive(Debug)]
pub(crate) struct RootDatabase {
runtime: salsa::Runtime<RootDatabase>,
interner: Arc<hir::HirInterner>,
}
impl salsa::Database for RootDatabase {
fn salsa_runtime(&self) -> &salsa::Runtime<RootDatabase> {
&self.runtime
}
fn on_propagated_panic(&self) -> ! {
Canceled::throw()
}
}
impl Default for RootDatabase {
fn default() -> RootDatabase {
let mut db = RootDatabase {
runtime: salsa::Runtime::default(),
interner: Default::default(),
};
db.query_mut(ra_db::CrateGraphQuery)
.set((), Default::default());
db.query_mut(ra_db::LocalRootsQuery)
.set((), Default::default());
db.query_mut(ra_db::LibraryRootsQuery)
.set((), Default::default());
db
}
}
impl salsa::ParallelDatabase for RootDatabase {
fn snapshot(&self) -> salsa::Snapshot<RootDatabase> {
salsa::Snapshot::new(RootDatabase {
runtime: self.runtime.snapshot(self),
interner: Arc::clone(&self.interner),
})
}
}
impl BaseDatabase for RootDatabase {}
impl AsRef<hir::HirInterner> for RootDatabase {
fn as_ref(&self) -> &hir::HirInterner {
&self.interner
}
}
#[salsa::query_group]
pub(crate) trait LineIndexDatabase: ra_db::FilesDatabase + BaseDatabase {
fn line_index(&self, file_id: FileId) -> Arc<LineIndex>;
}
fn line_index(db: &impl ra_db::FilesDatabase, file_id: FileId) -> Arc<LineIndex> {
let text = db.file_text(file_id);
Arc::new(LineIndex::new(&*text))
}
|
