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
|
use std::{
fs,
path::{Path, PathBuf},
sync::Arc,
};
use languageserver_types::Url;
use ra_analysis::{
Analysis, AnalysisChange, AnalysisHost, CrateGraph, FileId, FileResolver, LibraryData,
};
use rustc_hash::FxHashMap;
use crate::{
path_map::{PathMap, Root},
project_model::CargoWorkspace,
vfs::{FileEvent, FileEventKind},
Result,
};
#[derive(Debug)]
pub struct ServerWorldState {
pub workspaces: Arc<Vec<CargoWorkspace>>,
pub analysis_host: AnalysisHost,
pub path_map: PathMap,
pub mem_map: FxHashMap<FileId, Option<String>>,
}
pub struct ServerWorld {
pub workspaces: Arc<Vec<CargoWorkspace>>,
pub analysis: Analysis,
pub path_map: PathMap,
}
impl ServerWorldState {
pub fn new() -> ServerWorldState {
ServerWorldState {
workspaces: Arc::new(Vec::new()),
analysis_host: AnalysisHost::new(),
path_map: PathMap::new(),
mem_map: FxHashMap::default(),
}
}
pub fn apply_fs_changes(&mut self, events: Vec<FileEvent>) {
let mut change = AnalysisChange::new();
let mut inserted = false;
{
let pm = &mut self.path_map;
let mm = &mut self.mem_map;
events
.into_iter()
.map(|event| {
let text = match event.kind {
FileEventKind::Add(text) => text,
};
(event.path, text)
})
.map(|(path, text)| {
let (ins, file_id) = pm.get_or_insert(path, Root::Workspace);
inserted |= ins;
(file_id, text)
})
.filter_map(|(file_id, text)| {
if mm.contains_key(&file_id) {
mm.insert(file_id, Some(text));
None
} else {
Some((file_id, text))
}
})
.for_each(|(file_id, text)| change.add_file(file_id, text));
}
if inserted {
change.set_file_resolver(Arc::new(self.path_map.clone()))
}
self.analysis_host.apply_change(change);
}
pub fn events_to_files(
&mut self,
events: Vec<FileEvent>,
) -> (Vec<(FileId, String)>, Arc<FileResolver>) {
let files = {
let pm = &mut self.path_map;
events
.into_iter()
.map(|event| {
let FileEventKind::Add(text) = event.kind;
(event.path, text)
})
.map(|(path, text)| (pm.get_or_insert(path, Root::Lib).1, text))
.collect()
};
let resolver = Arc::new(self.path_map.clone());
(files, resolver)
}
pub fn add_lib(&mut self, data: LibraryData) {
let mut change = AnalysisChange::new();
change.add_library(data);
self.analysis_host.apply_change(change);
}
pub fn add_mem_file(&mut self, path: PathBuf, text: String) -> FileId {
let (inserted, file_id) = self.path_map.get_or_insert(path, Root::Workspace);
if self.path_map.get_root(file_id) != Root::Lib {
let mut change = AnalysisChange::new();
if inserted {
change.add_file(file_id, text);
change.set_file_resolver(Arc::new(self.path_map.clone()));
} else {
change.change_file(file_id, text);
}
self.analysis_host.apply_change(change);
}
self.mem_map.insert(file_id, None);
file_id
}
pub fn change_mem_file(&mut self, path: &Path, text: String) -> Result<()> {
let file_id = self
.path_map
.get_id(path)
.ok_or_else(|| format_err!("change to unknown file: {}", path.display()))?;
if self.path_map.get_root(file_id) != Root::Lib {
let mut change = AnalysisChange::new();
change.change_file(file_id, text);
self.analysis_host.apply_change(change);
}
Ok(())
}
pub fn remove_mem_file(&mut self, path: &Path) -> Result<FileId> {
let file_id = self
.path_map
.get_id(path)
.ok_or_else(|| format_err!("change to unknown file: {}", path.display()))?;
match self.mem_map.remove(&file_id) {
Some(_) => (),
None => bail!("unmatched close notification"),
};
// Do this via file watcher ideally.
let text = fs::read_to_string(path).ok();
if self.path_map.get_root(file_id) != Root::Lib {
let mut change = AnalysisChange::new();
if let Some(text) = text {
change.change_file(file_id, text);
}
self.analysis_host.apply_change(change);
}
Ok(file_id)
}
pub fn set_workspaces(&mut self, ws: Vec<CargoWorkspace>) {
let mut crate_graph = CrateGraph::new();
ws.iter()
.flat_map(|ws| {
ws.packages()
.flat_map(move |pkg| pkg.targets(ws))
.map(move |tgt| tgt.root(ws))
})
.for_each(|root| {
if let Some(file_id) = self.path_map.get_id(root) {
crate_graph.add_crate_root(file_id);
}
});
self.workspaces = Arc::new(ws);
let mut change = AnalysisChange::new();
change.set_crate_graph(crate_graph);
self.analysis_host.apply_change(change);
}
pub fn snapshot(&self) -> ServerWorld {
ServerWorld {
workspaces: Arc::clone(&self.workspaces),
analysis: self.analysis_host.analysis(),
path_map: self.path_map.clone(),
}
}
}
impl ServerWorld {
pub fn analysis(&self) -> &Analysis {
&self.analysis
}
pub fn uri_to_file_id(&self, uri: &Url) -> Result<FileId> {
let path = uri
.to_file_path()
.map_err(|()| format_err!("invalid uri: {}", uri))?;
self.path_map
.get_id(&path)
.ok_or_else(|| format_err!("unknown file: {}", path.display()))
}
pub fn file_id_to_uri(&self, id: FileId) -> Result<Url> {
let path = self.path_map.get_path(id);
let url = Url::from_file_path(path)
.map_err(|()| format_err!("can't convert path to url: {}", path.display()))?;
Ok(url)
}
}
|
