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 futures::StreamExt;
7use gpui::{AppContext, AsyncAppContext};
8use http_client::github::{latest_github_release, GitHubLspBinaryVersion};
9use language::{LanguageRegistry, LanguageToolchainStore, LspAdapter, LspAdapterDelegate};
10use lsp::{LanguageServerBinary, LanguageServerName};
11use node_runtime::NodeRuntime;
12use project::{lsp_store::language_server_settings, ContextProviderWithTasks};
13use serde_json::{json, Value};
14use settings::{KeymapFile, SettingsJsonSchemaParams, SettingsStore};
15use smol::{
16 fs::{self},
17 io::BufReader,
18};
19use std::{
20 any::Any,
21 env::consts,
22 ffi::OsString,
23 path::{Path, PathBuf},
24 str::FromStr,
25 sync::{Arc, OnceLock},
26};
27use task::{TaskTemplate, TaskTemplates, VariableName};
28use util::{fs::remove_matching, maybe, merge_json_value_into, ResultExt};
29
30const SERVER_PATH: &str =
31 "node_modules/vscode-langservers-extracted/bin/vscode-json-language-server";
32
33// Origin: https://github.com/SchemaStore/schemastore
34const TSCONFIG_SCHEMA: &str = include_str!("json/schemas/tsconfig.json");
35const PACKAGE_JSON_SCHEMA: &str = include_str!("json/schemas/package.json");
36
37pub(super) fn json_task_context() -> ContextProviderWithTasks {
38 ContextProviderWithTasks::new(TaskTemplates(vec![
39 TaskTemplate {
40 label: "package script $ZED_CUSTOM_script".to_owned(),
41 command: "npm --prefix $ZED_DIRNAME run".to_owned(),
42 args: vec![VariableName::Custom("script".into()).template_value()],
43 tags: vec!["package-script".into()],
44 ..TaskTemplate::default()
45 },
46 TaskTemplate {
47 label: "composer script $ZED_CUSTOM_script".to_owned(),
48 command: "composer -d $ZED_DIRNAME".to_owned(),
49 args: vec![VariableName::Custom("script".into()).template_value()],
50 tags: vec!["composer-script".into()],
51 ..TaskTemplate::default()
52 },
53 ]))
54}
55
56fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
57 vec![server_path.into(), "--stdio".into()]
58}
59
60pub struct JsonLspAdapter {
61 node: NodeRuntime,
62 languages: Arc<LanguageRegistry>,
63 workspace_config: OnceLock<Value>,
64}
65
66impl JsonLspAdapter {
67 const PACKAGE_NAME: &str = "vscode-langservers-extracted";
68
69 pub fn new(node: NodeRuntime, languages: Arc<LanguageRegistry>) -> Self {
70 Self {
71 node,
72 languages,
73 workspace_config: Default::default(),
74 }
75 }
76
77 fn get_workspace_config(language_names: Vec<String>, cx: &mut AppContext) -> Value {
78 let action_names = cx.all_action_names();
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 font_names,
85 },
86 cx,
87 );
88 let tasks_schema = task::TaskTemplates::generate_json_schema();
89 let tsconfig_schema = serde_json::Value::from_str(TSCONFIG_SCHEMA).unwrap();
90 let package_json_schema = serde_json::Value::from_str(PACKAGE_JSON_SCHEMA).unwrap();
91
92 serde_json::json!({
93 "json": {
94 "format": {
95 "enable": true,
96 },
97 "validate":
98 {
99 "enable": true,
100 },
101 "schemas": [
102 {
103 "fileMatch": ["tsconfig.json"],
104 "schema":tsconfig_schema
105 },
106 {
107 "fileMatch": ["package.json"],
108 "schema":package_json_schema
109 },
110 {
111 "fileMatch": [
112 schema_file_match(paths::settings_file()),
113 paths::local_settings_file_relative_path()
114 ],
115 "schema": settings_schema,
116 },
117 {
118 "fileMatch": [schema_file_match(paths::keymap_file())],
119 "schema": KeymapFile::generate_json_schema(action_names),
120 },
121 {
122 "fileMatch": [
123 schema_file_match(paths::tasks_file()),
124 paths::local_tasks_file_relative_path()
125 ],
126 "schema": tasks_schema,
127 }
128
129 ]
130 }
131 })
132 }
133}
134
135#[async_trait(?Send)]
136impl LspAdapter for JsonLspAdapter {
137 fn name(&self) -> LanguageServerName {
138 LanguageServerName("json-language-server".into())
139 }
140
141 async fn fetch_latest_server_version(
142 &self,
143 _: &dyn LspAdapterDelegate,
144 ) -> Result<Box<dyn 'static + Send + Any>> {
145 Ok(Box::new(
146 self.node
147 .npm_package_latest_version(Self::PACKAGE_NAME)
148 .await?,
149 ) as Box<_>)
150 }
151
152 async fn check_if_version_installed(
153 &self,
154 version: &(dyn 'static + Send + Any),
155 container_dir: &PathBuf,
156 _: &dyn LspAdapterDelegate,
157 ) -> Option<LanguageServerBinary> {
158 let version = version.downcast_ref::<String>().unwrap();
159 let server_path = container_dir.join(SERVER_PATH);
160
161 let should_install_language_server = self
162 .node
163 .should_install_npm_package(Self::PACKAGE_NAME, &server_path, &container_dir, &version)
164 .await;
165
166 if should_install_language_server {
167 None
168 } else {
169 Some(LanguageServerBinary {
170 path: self.node.binary_path().await.ok()?,
171 env: None,
172 arguments: server_binary_arguments(&server_path),
173 })
174 }
175 }
176
177 async fn fetch_server_binary(
178 &self,
179 latest_version: Box<dyn 'static + Send + Any>,
180 container_dir: PathBuf,
181 _: &dyn LspAdapterDelegate,
182 ) -> Result<LanguageServerBinary> {
183 let latest_version = latest_version.downcast::<String>().unwrap();
184 let server_path = container_dir.join(SERVER_PATH);
185
186 self.node
187 .npm_install_packages(
188 &container_dir,
189 &[(Self::PACKAGE_NAME, latest_version.as_str())],
190 )
191 .await?;
192
193 Ok(LanguageServerBinary {
194 path: self.node.binary_path().await?,
195 env: None,
196 arguments: server_binary_arguments(&server_path),
197 })
198 }
199
200 async fn cached_server_binary(
201 &self,
202 container_dir: PathBuf,
203 _: &dyn LspAdapterDelegate,
204 ) -> Option<LanguageServerBinary> {
205 get_cached_server_binary(container_dir, &self.node).await
206 }
207
208 async fn initialization_options(
209 self: Arc<Self>,
210 _: &Arc<dyn LspAdapterDelegate>,
211 ) -> Result<Option<serde_json::Value>> {
212 Ok(Some(json!({
213 "provideFormatter": true
214 })))
215 }
216
217 async fn workspace_configuration(
218 self: Arc<Self>,
219 delegate: &Arc<dyn LspAdapterDelegate>,
220 _: Arc<dyn LanguageToolchainStore>,
221 cx: &mut AsyncAppContext,
222 ) -> Result<Value> {
223 let mut config = cx.update(|cx| {
224 self.workspace_config
225 .get_or_init(|| Self::get_workspace_config(self.languages.language_names(), cx))
226 .clone()
227 })?;
228
229 let project_options = cx.update(|cx| {
230 language_server_settings(delegate.as_ref(), &self.name(), cx)
231 .and_then(|s| s.settings.clone())
232 })?;
233
234 if let Some(override_options) = project_options {
235 merge_json_value_into(override_options, &mut config);
236 }
237
238 Ok(config)
239 }
240
241 fn language_ids(&self) -> HashMap<String, String> {
242 [
243 ("JSON".into(), "json".into()),
244 ("JSONC".into(), "jsonc".into()),
245 ]
246 .into_iter()
247 .collect()
248 }
249}
250
251async fn get_cached_server_binary(
252 container_dir: PathBuf,
253 node: &NodeRuntime,
254) -> Option<LanguageServerBinary> {
255 maybe!(async {
256 let mut last_version_dir = None;
257 let mut entries = fs::read_dir(&container_dir).await?;
258 while let Some(entry) = entries.next().await {
259 let entry = entry?;
260 if entry.file_type().await?.is_dir() {
261 last_version_dir = Some(entry.path());
262 }
263 }
264
265 let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
266 let server_path = last_version_dir.join(SERVER_PATH);
267 if server_path.exists() {
268 Ok(LanguageServerBinary {
269 path: node.binary_path().await?,
270 env: None,
271 arguments: server_binary_arguments(&server_path),
272 })
273 } else {
274 Err(anyhow!(
275 "missing executable in directory {:?}",
276 last_version_dir
277 ))
278 }
279 })
280 .await
281 .log_err()
282}
283
284#[inline]
285fn schema_file_match(path: &Path) -> String {
286 path.strip_prefix(path.parent().unwrap().parent().unwrap())
287 .unwrap()
288 .display()
289 .to_string()
290 .replace('\\', "/")
291}
292
293pub(super) struct NodeVersionAdapter;
294
295#[async_trait(?Send)]
296impl LspAdapter for NodeVersionAdapter {
297 fn name(&self) -> LanguageServerName {
298 LanguageServerName("package-version-server".into())
299 }
300
301 async fn fetch_latest_server_version(
302 &self,
303 delegate: &dyn LspAdapterDelegate,
304 ) -> Result<Box<dyn 'static + Send + Any>> {
305 let release = latest_github_release(
306 "zed-industries/package-version-server",
307 true,
308 false,
309 delegate.http_client(),
310 )
311 .await?;
312 let os = match consts::OS {
313 "macos" => "apple-darwin",
314 "linux" => "unknown-linux-gnu",
315 "windows" => "pc-windows-msvc",
316 other => bail!("Running on unsupported os: {other}"),
317 };
318 let suffix = if consts::OS == "windows" {
319 ".zip"
320 } else {
321 ".tar.gz"
322 };
323 let asset_name = format!("package-version-server-{}-{os}{suffix}", consts::ARCH);
324 let asset = release
325 .assets
326 .iter()
327 .find(|asset| asset.name == asset_name)
328 .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
329 Ok(Box::new(GitHubLspBinaryVersion {
330 name: release.tag_name,
331 url: asset.browser_download_url.clone(),
332 }))
333 }
334
335 async fn fetch_server_binary(
336 &self,
337 latest_version: Box<dyn 'static + Send + Any>,
338 container_dir: PathBuf,
339 delegate: &dyn LspAdapterDelegate,
340 ) -> Result<LanguageServerBinary> {
341 let version = latest_version.downcast::<GitHubLspBinaryVersion>().unwrap();
342 let destination_path = container_dir.join(format!(
343 "package-version-server-{}{}",
344 version.name,
345 std::env::consts::EXE_SUFFIX
346 ));
347 let destination_container_path =
348 container_dir.join(format!("package-version-server-{}-tmp", version.name));
349 if fs::metadata(&destination_path).await.is_err() {
350 let mut response = delegate
351 .http_client()
352 .get(&version.url, Default::default(), true)
353 .await
354 .map_err(|err| anyhow!("error downloading release: {}", err))?;
355 if version.url.ends_with(".zip") {
356 node_runtime::extract_zip(
357 &destination_container_path,
358 BufReader::new(response.body_mut()),
359 )
360 .await?;
361 } else if version.url.ends_with(".tar.gz") {
362 let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
363 let archive = Archive::new(decompressed_bytes);
364 archive.unpack(&destination_container_path).await?;
365 }
366
367 fs::copy(
368 destination_container_path.join(format!(
369 "package-version-server{}",
370 std::env::consts::EXE_SUFFIX
371 )),
372 &destination_path,
373 )
374 .await?;
375 // todo("windows")
376 #[cfg(not(windows))]
377 {
378 fs::set_permissions(
379 &destination_path,
380 <fs::Permissions as fs::unix::PermissionsExt>::from_mode(0o755),
381 )
382 .await?;
383 }
384 remove_matching(&container_dir, |entry| entry != destination_path).await;
385 }
386 Ok(LanguageServerBinary {
387 path: destination_path,
388 env: None,
389 arguments: Default::default(),
390 })
391 }
392
393 async fn cached_server_binary(
394 &self,
395 container_dir: PathBuf,
396 _delegate: &dyn LspAdapterDelegate,
397 ) -> Option<LanguageServerBinary> {
398 get_cached_version_server_binary(container_dir).await
399 }
400}
401
402async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
403 maybe!(async {
404 let mut last = None;
405 let mut entries = fs::read_dir(&container_dir).await?;
406 while let Some(entry) = entries.next().await {
407 last = Some(entry?.path());
408 }
409
410 anyhow::Ok(LanguageServerBinary {
411 path: last.ok_or_else(|| anyhow!("no cached binary"))?,
412 env: None,
413 arguments: Default::default(),
414 })
415 })
416 .await
417 .log_err()
418}