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
|
use std::{
path::{Path, PathBuf},
sync::Arc,
};
use lsp_types::Url;
use ra_ide_api::{
Analysis, AnalysisChange, AnalysisHost, CrateGraph, FileId, LibraryData,
SourceRootId
};
use ra_vfs::{Vfs, VfsChange, VfsFile, VfsRoot};
use relative_path::RelativePathBuf;
use parking_lot::RwLock;
use failure::{Error, format_err};
use gen_lsp_server::ErrorCode;
use crate::{
main_loop::pending_requests::{CompletedRequest, LatestRequests},
project_model::ProjectWorkspace,
vfs_filter::IncludeRustFiles,
Result,
LspError,
};
#[derive(Debug)]
pub struct ServerWorldState {
pub roots_to_scan: usize,
pub roots: Vec<PathBuf>,
pub workspaces: Arc<Vec<ProjectWorkspace>>,
pub analysis_host: AnalysisHost,
pub vfs: Arc<RwLock<Vfs>>,
pub latest_requests: Arc<RwLock<LatestRequests>>,
}
pub struct ServerWorld {
pub workspaces: Arc<Vec<ProjectWorkspace>>,
pub analysis: Analysis,
pub vfs: Arc<RwLock<Vfs>>,
pub latest_requests: Arc<RwLock<LatestRequests>>,
}
impl ServerWorldState {
pub fn new(folder_roots: Vec<PathBuf>, workspaces: Vec<ProjectWorkspace>) -> ServerWorldState {
let mut change = AnalysisChange::new();
let mut roots = Vec::new();
roots.extend(folder_roots.iter().cloned().map(IncludeRustFiles::member));
for ws in workspaces.iter() {
roots.extend(IncludeRustFiles::from_roots(ws.to_roots()));
}
let (mut vfs, vfs_roots) = Vfs::new(roots);
let roots_to_scan = vfs_roots.len();
for r in vfs_roots {
let vfs_root_path = vfs.root2path(r);
let is_local = folder_roots.iter().any(|it| vfs_root_path.starts_with(it));
change.add_root(SourceRootId(r.0.into()), is_local);
}
// Create crate graph from all the workspaces
let mut crate_graph = CrateGraph::default();
let mut load = |path: &std::path::Path| {
let vfs_file = vfs.load(path);
vfs_file.map(|f| FileId(f.0.into()))
};
for ws in workspaces.iter() {
crate_graph.extend(ws.to_crate_graph(&mut load));
}
change.set_crate_graph(crate_graph);
let mut analysis_host = AnalysisHost::default();
analysis_host.apply_change(change);
ServerWorldState {
roots_to_scan,
roots: folder_roots,
workspaces: Arc::new(workspaces),
analysis_host,
vfs: Arc::new(RwLock::new(vfs)),
latest_requests: Default::default(),
}
}
/// Returns a vec of libraries
/// FIXME: better API here
pub fn process_changes(
&mut self,
) -> Vec<(SourceRootId, Vec<(FileId, RelativePathBuf, Arc<String>)>)> {
let changes = self.vfs.write().commit_changes();
if changes.is_empty() {
return Vec::new();
}
let mut libs = Vec::new();
let mut change = AnalysisChange::new();
for c in changes {
match c {
VfsChange::AddRoot { root, files } => {
let root_path = self.vfs.read().root2path(root);
let is_local = self.roots.iter().any(|r| root_path.starts_with(r));
if is_local {
self.roots_to_scan -= 1;
for (file, path, text) in files {
change.add_file(
SourceRootId(root.0.into()),
FileId(file.0.into()),
path,
text,
);
}
} else {
let files = files
.into_iter()
.map(|(vfsfile, path, text)| (FileId(vfsfile.0.into()), path, text))
.collect();
libs.push((SourceRootId(root.0.into()), files));
}
}
VfsChange::AddFile { root, file, path, text } => {
change.add_file(SourceRootId(root.0.into()), FileId(file.0.into()), path, text);
}
VfsChange::RemoveFile { root, file, path } => {
change.remove_file(SourceRootId(root.0.into()), FileId(file.0.into()), path)
}
VfsChange::ChangeFile { file, text } => {
change.change_file(FileId(file.0.into()), text);
}
}
}
self.analysis_host.apply_change(change);
libs
}
pub fn add_lib(&mut self, data: LibraryData) {
self.roots_to_scan -= 1;
let mut change = AnalysisChange::new();
change.add_library(data);
self.analysis_host.apply_change(change);
}
pub fn cancel_requests(&mut self) {
self.analysis_host.apply_change(AnalysisChange::new());
}
pub fn snapshot(&self) -> ServerWorld {
ServerWorld {
workspaces: Arc::clone(&self.workspaces),
analysis: self.analysis_host.analysis(),
vfs: Arc::clone(&self.vfs),
latest_requests: Arc::clone(&self.latest_requests),
}
}
pub fn maybe_collect_garbage(&mut self) {
self.analysis_host.maybe_collect_garbage()
}
pub fn collect_garbage(&mut self) {
self.analysis_host.collect_garbage()
}
pub fn complete_request(&mut self, request: CompletedRequest) {
self.latest_requests.write().record(request)
}
}
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))?;
let file = self.vfs.read().path2file(&path).ok_or_else(|| {
// Show warning as this file is outside current workspace
Error::from(LspError {
code: ErrorCode::InvalidRequest as i32,
message: "Rust file outside current workspace is not supported yet.".to_string(),
})
})?;
Ok(FileId(file.0.into()))
}
pub fn file_id_to_uri(&self, id: FileId) -> Result<Url> {
let path = self.vfs.read().file2path(VfsFile(id.0.into()));
let url = Url::from_file_path(&path)
.map_err(|_| format_err!("can't convert path to url: {}", path.display()))?;
Ok(url)
}
pub fn path_to_uri(&self, root: SourceRootId, path: &RelativePathBuf) -> Result<Url> {
let base = self.vfs.read().root2path(VfsRoot(root.0.into()));
let path = path.to_path(base);
let url = Url::from_file_path(&path)
.map_err(|_| format_err!("can't convert path to url: {}", path.display()))?;
Ok(url)
}
pub fn status(&self) -> String {
let mut res = String::new();
if self.workspaces.is_empty() {
res.push_str("no workspaces\n")
} else {
res.push_str("workspaces:\n");
for w in self.workspaces.iter() {
res += &format!("{} packages loaded\n", w.count());
}
}
res.push_str("\nanalysis:\n");
res.push_str(&self.analysis.status());
res
}
pub fn workspace_root_for(&self, file_id: FileId) -> Option<&Path> {
let path = self.vfs.read().file2path(VfsFile(file_id.0.into()));
self.workspaces.iter().find_map(|ws| ws.workspace_root_for(&path))
}
}
|
