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 [
217 ("JSON".into(), "json".into()),
218 ("JSONC".into(), "jsonc".into()),
219 ]
220 .into_iter()
221 .collect()
222 }
223}
224
225async fn get_cached_server_binary(
226 container_dir: PathBuf,
227 node: &dyn NodeRuntime,
228) -> Option<LanguageServerBinary> {
229 maybe!(async {
230 let mut last_version_dir = None;
231 let mut entries = fs::read_dir(&container_dir).await?;
232 while let Some(entry) = entries.next().await {
233 let entry = entry?;
234 if entry.file_type().await?.is_dir() {
235 last_version_dir = Some(entry.path());
236 }
237 }
238
239 let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
240 let server_path = last_version_dir.join(SERVER_PATH);
241 if server_path.exists() {
242 Ok(LanguageServerBinary {
243 path: node.binary_path().await?,
244 env: None,
245 arguments: server_binary_arguments(&server_path),
246 })
247 } else {
248 Err(anyhow!(
249 "missing executable in directory {:?}",
250 last_version_dir
251 ))
252 }
253 })
254 .await
255 .log_err()
256}
257
258#[inline]
259fn schema_file_match(path: &Path) -> String {
260 path.strip_prefix(path.parent().unwrap().parent().unwrap())
261 .unwrap()
262 .display()
263 .to_string()
264 .replace('\\', "/")
265}
266
267pub(super) struct NodeVersionAdapter;
268
269#[async_trait(?Send)]
270impl LspAdapter for NodeVersionAdapter {
271 fn name(&self) -> LanguageServerName {
272 LanguageServerName("package-version-server".into())
273 }
274
275 async fn fetch_latest_server_version(
276 &self,
277 delegate: &dyn LspAdapterDelegate,
278 ) -> Result<Box<dyn 'static + Send + Any>> {
279 let release = latest_github_release(
280 "zed-industries/package-version-server",
281 true,
282 false,
283 delegate.http_client(),
284 )
285 .await?;
286 let os = match consts::OS {
287 "macos" => "apple-darwin",
288 "linux" => "unknown-linux-gnu",
289 "windows" => "pc-windows-msvc",
290 other => bail!("Running on unsupported os: {other}"),
291 };
292 let suffix = if consts::OS == "windows" {
293 ".zip"
294 } else {
295 ".tar.gz"
296 };
297 let asset_name = format!("package-version-server-{}-{os}{suffix}", consts::ARCH);
298 let asset = release
299 .assets
300 .iter()
301 .find(|asset| asset.name == asset_name)
302 .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
303 Ok(Box::new(GitHubLspBinaryVersion {
304 name: release.tag_name,
305 url: asset.browser_download_url.clone(),
306 }))
307 }
308
309 async fn fetch_server_binary(
310 &self,
311 latest_version: Box<dyn 'static + Send + Any>,
312 container_dir: PathBuf,
313 delegate: &dyn LspAdapterDelegate,
314 ) -> Result<LanguageServerBinary> {
315 let version = latest_version.downcast::<GitHubLspBinaryVersion>().unwrap();
316 let destination_path =
317 container_dir.join(format!("package-version-server-{}", version.name));
318 let destination_container_path =
319 container_dir.join(format!("package-version-server-{}-tmp", version.name));
320 if fs::metadata(&destination_path).await.is_err() {
321 let mut response = delegate
322 .http_client()
323 .get(&version.url, Default::default(), true)
324 .await
325 .map_err(|err| anyhow!("error downloading release: {}", err))?;
326 if version.url.ends_with(".zip") {
327 node_runtime::extract_zip(
328 &destination_container_path,
329 BufReader::new(response.body_mut()),
330 )
331 .await?;
332 } else if version.url.ends_with(".tar.gz") {
333 let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
334 let archive = Archive::new(decompressed_bytes);
335 archive.unpack(&destination_container_path).await?;
336 }
337
338 fs::copy(
339 destination_container_path.join("package-version-server"),
340 &destination_path,
341 )
342 .await?;
343 // todo("windows")
344 #[cfg(not(windows))]
345 {
346 fs::set_permissions(
347 &destination_path,
348 <fs::Permissions as fs::unix::PermissionsExt>::from_mode(0o755),
349 )
350 .await?;
351 }
352 remove_matching(&container_dir, |entry| entry != destination_path).await;
353 }
354
355 Ok(LanguageServerBinary {
356 path: destination_path,
357 env: None,
358 arguments: Default::default(),
359 })
360 }
361
362 async fn cached_server_binary(
363 &self,
364 container_dir: PathBuf,
365 _delegate: &dyn LspAdapterDelegate,
366 ) -> Option<LanguageServerBinary> {
367 get_cached_version_server_binary(container_dir).await
368 }
369
370 async fn installation_test_binary(
371 &self,
372 container_dir: PathBuf,
373 ) -> Option<LanguageServerBinary> {
374 get_cached_version_server_binary(container_dir)
375 .await
376 .map(|mut binary| {
377 binary.arguments = vec!["--version".into()];
378 binary
379 })
380 }
381}
382
383async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
384 maybe!(async {
385 let mut last = None;
386 let mut entries = fs::read_dir(&container_dir).await?;
387 while let Some(entry) = entries.next().await {
388 last = Some(entry?.path());
389 }
390
391 anyhow::Ok(LanguageServerBinary {
392 path: last.ok_or_else(|| anyhow!("no cached binary"))?,
393 env: None,
394 arguments: Default::default(),
395 })
396 })
397 .await
398 .log_err()
399}