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
|
use std::{
fmt,
hash::{Hash, Hasher},
sync::Arc,
};
use ra_editor::LineIndex;
use ra_syntax::File;
use rustc_hash::FxHashSet;
use salsa;
use crate::{
db,
Cancelable, Canceled,
module_map::{ModuleDescriptorQuery, ModuleTreeQuery, ModulesDatabase},
symbol_index::SymbolIndex,
FileId, FileResolverImp,
};
#[derive(Default)]
pub(crate) struct RootDatabase {
runtime: salsa::Runtime<RootDatabase>,
}
impl fmt::Debug for RootDatabase {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt.write_str("RootDatabase { ... }")
}
}
impl salsa::Database for RootDatabase {
fn salsa_runtime(&self) -> &salsa::Runtime<RootDatabase> {
&self.runtime
}
}
pub(crate) fn check_canceled(db: &impl salsa::Database) -> Cancelable<()> {
if db.salsa_runtime().is_current_revision_canceled() {
Err(Canceled)
} else {
Ok(())
}
}
impl salsa::ParallelDatabase for RootDatabase {
fn fork(&self) -> Self {
RootDatabase {
runtime: self.runtime.fork(),
}
}
}
impl Clone for RootDatabase {
fn clone(&self) -> RootDatabase {
salsa::ParallelDatabase::fork(self)
}
}
salsa::database_storage! {
pub(crate) struct RootDatabaseStorage for RootDatabase {
impl FilesDatabase {
fn file_text() for FileTextQuery;
fn file_set() for FileSetQuery;
}
impl SyntaxDatabase {
fn file_syntax() for FileSyntaxQuery;
fn file_lines() for FileLinesQuery;
fn file_symbols() for FileSymbolsQuery;
}
impl ModulesDatabase {
fn module_tree() for ModuleTreeQuery;
fn module_descriptor() for ModuleDescriptorQuery;
}
}
}
salsa::query_group! {
pub(crate) trait FilesDatabase: salsa::Database {
fn file_text(file_id: FileId) -> Arc<String> {
type FileTextQuery;
storage input;
}
fn file_set() -> Arc<FileSet> {
type FileSetQuery;
storage input;
}
}
}
#[derive(Default, Debug, Eq)]
pub(crate) struct FileSet {
pub(crate) files: FxHashSet<FileId>,
pub(crate) resolver: FileResolverImp,
}
impl PartialEq for FileSet {
fn eq(&self, other: &FileSet) -> bool {
self.files == other.files && self.resolver == other.resolver
}
}
impl Hash for FileSet {
fn hash<H: Hasher>(&self, hasher: &mut H) {
let mut files = self.files.iter().cloned().collect::<Vec<_>>();
files.sort();
files.hash(hasher);
}
}
salsa::query_group! {
pub(crate) trait SyntaxDatabase: FilesDatabase {
fn file_syntax(file_id: FileId) -> File {
type FileSyntaxQuery;
}
fn file_lines(file_id: FileId) -> Arc<LineIndex> {
type FileLinesQuery;
}
fn file_symbols(file_id: FileId) -> Cancelable<Arc<SymbolIndex>> {
type FileSymbolsQuery;
}
}
}
fn file_syntax(db: &impl SyntaxDatabase, file_id: FileId) -> File {
let text = db.file_text(file_id);
File::parse(&*text)
}
fn file_lines(db: &impl SyntaxDatabase, file_id: FileId) -> Arc<LineIndex> {
let text = db.file_text(file_id);
Arc::new(LineIndex::new(&*text))
}
fn file_symbols(db: &impl SyntaxDatabase, file_id: FileId) -> Cancelable<Arc<SymbolIndex>> {
db::check_canceled(db)?;
let syntax = db.file_syntax(file_id);
Ok(Arc::new(SymbolIndex::for_file(file_id, syntax)))
}
|
