1use anyhow::{anyhow, bail, Context, Result};
2use async_compression::futures::bufread::GzipDecoder;
3use async_tar::Archive;
4use async_trait::async_trait;
5use collections::HashMap;
6use feature_flags::FeatureFlagAppExt;
7use futures::StreamExt;
8use gpui::{AppContext, AsyncAppContext};
9use http::github::{latest_github_release, GitHubLspBinaryVersion};
10use language::{LanguageRegistry, LanguageServerName, LspAdapter, LspAdapterDelegate};
11use lsp::LanguageServerBinary;
12use node_runtime::NodeRuntime;
13use project::ContextProviderWithTasks;
14use serde_json::{json, Value};
15use settings::{KeymapFile, SettingsJsonSchemaParams, SettingsStore};
16use smol::{
17 fs::{self},
18 io::BufReader,
19};
20use std::{
21 any::Any,
22 env::consts,
23 ffi::OsString,
24 path::{Path, PathBuf},
25 str::FromStr,
26 sync::{Arc, OnceLock},
27};
28use task::{TaskTemplate, TaskTemplates, VariableName};
29use util::{fs::remove_matching, maybe, ResultExt};
30
31const SERVER_PATH: &str =
32 "node_modules/vscode-langservers-extracted/bin/vscode-json-language-server";
33
34// Origin: https://github.com/SchemaStore/schemastore
35const TSCONFIG_SCHEMA: &str = include_str!("json/schemas/tsconfig.json");
36const PACKAGE_JSON_SCHEMA: &str = include_str!("json/schemas/package.json");
37
38pub(super) fn json_task_context() -> ContextProviderWithTasks {
39 ContextProviderWithTasks::new(TaskTemplates(vec![
40 TaskTemplate {
41 label: "package script $ZED_CUSTOM_script".to_owned(),
42 command: "npm --prefix $ZED_DIRNAME run".to_owned(),
43 args: vec![VariableName::Custom("script".into()).template_value()],
44 tags: vec!["package-script".into()],
45 ..TaskTemplate::default()
46 },
47 TaskTemplate {
48 label: "composer script $ZED_CUSTOM_script".to_owned(),
49 command: "composer -d $ZED_DIRNAME".to_owned(),
50 args: vec![VariableName::Custom("script".into()).template_value()],
51 tags: vec!["composer-script".into()],
52 ..TaskTemplate::default()
53 },
54 ]))
55}
56
57fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
58 vec![server_path.into(), "--stdio".into()]
59}
60
61pub struct JsonLspAdapter {
62 node: Arc<dyn NodeRuntime>,
63 languages: Arc<LanguageRegistry>,
64 workspace_config: OnceLock<Value>,
65}
66
67impl JsonLspAdapter {
68 pub fn new(node: Arc<dyn NodeRuntime>, languages: Arc<LanguageRegistry>) -> Self {
69 Self {
70 node,
71 languages,
72 workspace_config: Default::default(),
73 }
74 }
75
76 fn get_workspace_config(language_names: Vec<String>, cx: &mut AppContext) -> Value {
77 let action_names = cx.all_action_names();
78 let staff_mode = cx.is_staff();
79
80 let font_names = &cx.text_system().all_font_names();
81 let settings_schema = cx.global::<SettingsStore>().json_schema(
82 &SettingsJsonSchemaParams {
83 language_names: &language_names,
84 staff_mode,
85 font_names,
86 },
87 cx,
88 );
89 let tasks_schema = task::TaskTemplates::generate_json_schema();
90 let tsconfig_schema = serde_json::Value::from_str(TSCONFIG_SCHEMA).unwrap();
91 let package_json_schema = serde_json::Value::from_str(PACKAGE_JSON_SCHEMA).unwrap();
92
93 serde_json::json!({
94 "json": {
95 "format": {
96 "enable": true,
97 },
98 "schemas": [
99 {
100 "fileMatch": ["tsconfig.json"],
101 "schema":tsconfig_schema
102 },
103 {
104 "fileMatch": ["package.json"],
105 "schema":package_json_schema
106 },
107 {
108 "fileMatch": [
109 schema_file_match(paths::settings_file()),
110 paths::local_settings_file_relative_path()
111 ],
112 "schema": settings_schema,
113 },
114 {
115 "fileMatch": [schema_file_match(paths::keymap_file())],
116 "schema": KeymapFile::generate_json_schema(&action_names),
117 },
118 {
119 "fileMatch": [
120 schema_file_match(paths::tasks_file()),
121 paths::local_tasks_file_relative_path()
122 ],
123 "schema": tasks_schema,
124 }
125
126 ]
127 }
128 })
129 }
130}
131
132#[async_trait(?Send)]
133impl LspAdapter for JsonLspAdapter {
134 fn name(&self) -> LanguageServerName {
135 LanguageServerName("json-language-server".into())
136 }
137
138 async fn fetch_latest_server_version(
139 &self,
140 _: &dyn LspAdapterDelegate,
141 ) -> Result<Box<dyn 'static + Send + Any>> {
142 Ok(Box::new(
143 self.node
144 .npm_package_latest_version("vscode-langservers-extracted")
145 .await?,
146 ) as Box<_>)
147 }
148
149 async fn fetch_server_binary(
150 &self,
151 latest_version: Box<dyn 'static + Send + Any>,
152 container_dir: PathBuf,
153 _: &dyn LspAdapterDelegate,
154 ) -> Result<LanguageServerBinary> {
155 let latest_version = latest_version.downcast::<String>().unwrap();
156 let server_path = container_dir.join(SERVER_PATH);
157 let package_name = "vscode-langservers-extracted";
158
159 let should_install_language_server = self
160 .node
161 .should_install_npm_package(package_name, &server_path, &container_dir, &latest_version)
162 .await;
163
164 if should_install_language_server {
165 // TODO: the postinstall fails on Windows
166 self.node
167 .npm_install_packages(&container_dir, &[(package_name, latest_version.as_str())])
168 .await
169 .log_err();
170 }
171
172 Ok(LanguageServerBinary {
173 path: self.node.binary_path().await?,
174 env: None,
175 arguments: server_binary_arguments(&server_path),
176 })
177 }
178
179 async fn cached_server_binary(
180 &self,
181 container_dir: PathBuf,
182 _: &dyn LspAdapterDelegate,
183 ) -> Option<LanguageServerBinary> {
184 get_cached_server_binary(container_dir, &*self.node).await
185 }
186
187 async fn installation_test_binary(
188 &self,
189 container_dir: PathBuf,
190 ) -> Option<LanguageServerBinary> {
191 get_cached_server_binary(container_dir, &*self.node).await
192 }
193
194 async fn initialization_options(
195 self: Arc<Self>,
196 _: &Arc<dyn LspAdapterDelegate>,
197 ) -> Result<Option<serde_json::Value>> {
198 Ok(Some(json!({
199 "provideFormatter": true
200 })))
201 }
202
203 async fn workspace_configuration(
204 self: Arc<Self>,
205 _: &Arc<dyn LspAdapterDelegate>,
206 cx: &mut AsyncAppContext,
207 ) -> Result<Value> {
208 cx.update(|cx| {
209 self.workspace_config
210 .get_or_init(|| Self::get_workspace_config(self.languages.language_names(), cx))
211 .clone()
212 })
213 }
214
215 fn language_ids(&self) -> HashMap<String, String> {
216 [("JSON".into(), "jsonc".into())].into_iter().collect()
217 }
218}
219
220async fn get_cached_server_binary(
221 container_dir: PathBuf,
222 node: &dyn NodeRuntime,
223) -> Option<LanguageServerBinary> {
224 maybe!(async {
225 let mut last_version_dir = None;
226 let mut entries = fs::read_dir(&container_dir).await?;
227 while let Some(entry) = entries.next().await {
228 let entry = entry?;
229 if entry.file_type().await?.is_dir() {
230 last_version_dir = Some(entry.path());
231 }
232 }
233
234 let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
235 let server_path = last_version_dir.join(SERVER_PATH);
236 if server_path.exists() {
237 Ok(LanguageServerBinary {
238 path: node.binary_path().await?,
239 env: None,
240 arguments: server_binary_arguments(&server_path),
241 })
242 } else {
243 Err(anyhow!(
244 "missing executable in directory {:?}",
245 last_version_dir
246 ))
247 }
248 })
249 .await
250 .log_err()
251}
252
253#[inline]
254fn schema_file_match(path: &Path) -> String {
255 path.strip_prefix(path.parent().unwrap().parent().unwrap())
256 .unwrap()
257 .display()
258 .to_string()
259 .replace('\\', "/")
260}
261
262pub(super) struct NodeVersionAdapter;
263
264#[async_trait(?Send)]
265impl LspAdapter for NodeVersionAdapter {
266 fn name(&self) -> LanguageServerName {
267 LanguageServerName("package-version-server".into())
268 }
269
270 async fn fetch_latest_server_version(
271 &self,
272 delegate: &dyn LspAdapterDelegate,
273 ) -> Result<Box<dyn 'static + Send + Any>> {
274 let release = latest_github_release(
275 "zed-industries/package-version-server",
276 true,
277 false,
278 delegate.http_client(),
279 )
280 .await?;
281 let os = match consts::OS {
282 "macos" => "apple-darwin",
283 "linux" => "unknown-linux-gnu",
284 "windows" => "pc-windows-msvc",
285 other => bail!("Running on unsupported os: {other}"),
286 };
287 let suffix = if consts::OS == "windows" {
288 ".zip"
289 } else {
290 ".tar.gz"
291 };
292 let asset_name = format!("package-version-server-{}-{os}{suffix}", consts::ARCH);
293 let asset = release
294 .assets
295 .iter()
296 .find(|asset| asset.name == asset_name)
297 .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
298 Ok(Box::new(GitHubLspBinaryVersion {
299 name: release.tag_name,
300 url: asset.browser_download_url.clone(),
301 }))
302 }
303
304 async fn fetch_server_binary(
305 &self,
306 latest_version: Box<dyn 'static + Send + Any>,
307 container_dir: PathBuf,
308 delegate: &dyn LspAdapterDelegate,
309 ) -> Result<LanguageServerBinary> {
310 let version = latest_version.downcast::<GitHubLspBinaryVersion>().unwrap();
311 let destination_path =
312 container_dir.join(format!("package-version-server-{}", version.name));
313 let destination_container_path =
314 container_dir.join(format!("package-version-server-{}-tmp", version.name));
315 if fs::metadata(&destination_path).await.is_err() {
316 let mut response = delegate
317 .http_client()
318 .get(&version.url, Default::default(), true)
319 .await
320 .map_err(|err| anyhow!("error downloading release: {}", err))?;
321 if version.url.ends_with(".zip") {
322 node_runtime::extract_zip(
323 &destination_container_path,
324 BufReader::new(response.body_mut()),
325 )
326 .await?;
327 } else if version.url.ends_with(".tar.gz") {
328 let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
329 let archive = Archive::new(decompressed_bytes);
330 archive.unpack(&destination_container_path).await?;
331 }
332
333 fs::copy(
334 destination_container_path.join("package-version-server"),
335 &destination_path,
336 )
337 .await?;
338 // todo("windows")
339 #[cfg(not(windows))]
340 {
341 fs::set_permissions(
342 &destination_path,
343 <fs::Permissions as fs::unix::PermissionsExt>::from_mode(0o755),
344 )
345 .await?;
346 }
347 remove_matching(&container_dir, |entry| entry != destination_path).await;
348 }
349
350 Ok(LanguageServerBinary {
351 path: destination_path,
352 env: None,
353 arguments: Default::default(),
354 })
355 }
356
357 async fn cached_server_binary(
358 &self,
359 container_dir: PathBuf,
360 _delegate: &dyn LspAdapterDelegate,
361 ) -> Option<LanguageServerBinary> {
362 get_cached_version_server_binary(container_dir).await
363 }
364
365 async fn installation_test_binary(
366 &self,
367 container_dir: PathBuf,
368 ) -> Option<LanguageServerBinary> {
369 get_cached_version_server_binary(container_dir)
370 .await
371 .map(|mut binary| {
372 binary.arguments = vec!["--version".into()];
373 binary
374 })
375 }
376}
377
378async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
379 maybe!(async {
380 let mut last = None;
381 let mut entries = fs::read_dir(&container_dir).await?;
382 while let Some(entry) = entries.next().await {
383 last = Some(entry?.path());
384 }
385
386 anyhow::Ok(LanguageServerBinary {
387 path: last.ok_or_else(|| anyhow!("no cached binary"))?,
388 env: None,
389 arguments: Default::default(),
390 })
391 })
392 .await
393 .log_err()
394}