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::{
10 LanguageRegistry, LanguageServerName, LanguageToolchainStore, LspAdapter, LspAdapterDelegate,
11};
12use lsp::LanguageServerBinary;
13use node_runtime::NodeRuntime;
14use project::ContextProviderWithTasks;
15use serde_json::{json, Value};
16use settings::{KeymapFile, SettingsJsonSchemaParams, SettingsStore};
17use smol::{
18 fs::{self},
19 io::BufReader,
20};
21use std::{
22 any::Any,
23 env::consts,
24 ffi::OsString,
25 path::{Path, PathBuf},
26 str::FromStr,
27 sync::{Arc, OnceLock},
28};
29use task::{TaskTemplate, TaskTemplates, VariableName};
30use util::{fs::remove_matching, maybe, ResultExt};
31
32const SERVER_PATH: &str =
33 "node_modules/vscode-langservers-extracted/bin/vscode-json-language-server";
34
35// Origin: https://github.com/SchemaStore/schemastore
36const TSCONFIG_SCHEMA: &str = include_str!("json/schemas/tsconfig.json");
37const PACKAGE_JSON_SCHEMA: &str = include_str!("json/schemas/package.json");
38
39pub(super) fn json_task_context() -> ContextProviderWithTasks {
40 ContextProviderWithTasks::new(TaskTemplates(vec![
41 TaskTemplate {
42 label: "package script $ZED_CUSTOM_script".to_owned(),
43 command: "npm --prefix $ZED_DIRNAME run".to_owned(),
44 args: vec![VariableName::Custom("script".into()).template_value()],
45 tags: vec!["package-script".into()],
46 ..TaskTemplate::default()
47 },
48 TaskTemplate {
49 label: "composer script $ZED_CUSTOM_script".to_owned(),
50 command: "composer -d $ZED_DIRNAME".to_owned(),
51 args: vec![VariableName::Custom("script".into()).template_value()],
52 tags: vec!["composer-script".into()],
53 ..TaskTemplate::default()
54 },
55 ]))
56}
57
58fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
59 vec![server_path.into(), "--stdio".into()]
60}
61
62pub struct JsonLspAdapter {
63 node: NodeRuntime,
64 languages: Arc<LanguageRegistry>,
65 workspace_config: OnceLock<Value>,
66}
67
68impl JsonLspAdapter {
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("vscode-langservers-extracted")
148 .await?,
149 ) as Box<_>)
150 }
151
152 async fn fetch_server_binary(
153 &self,
154 latest_version: Box<dyn 'static + Send + Any>,
155 container_dir: PathBuf,
156 _: &dyn LspAdapterDelegate,
157 ) -> Result<LanguageServerBinary> {
158 let latest_version = latest_version.downcast::<String>().unwrap();
159 let server_path = container_dir.join(SERVER_PATH);
160 let package_name = "vscode-langservers-extracted";
161
162 let should_install_language_server = self
163 .node
164 .should_install_npm_package(package_name, &server_path, &container_dir, &latest_version)
165 .await;
166
167 if should_install_language_server {
168 self.node
169 .npm_install_packages(&container_dir, &[(package_name, latest_version.as_str())])
170 .await?;
171 }
172
173 Ok(LanguageServerBinary {
174 path: self.node.binary_path().await?,
175 env: None,
176 arguments: server_binary_arguments(&server_path),
177 })
178 }
179
180 async fn cached_server_binary(
181 &self,
182 container_dir: PathBuf,
183 _: &dyn LspAdapterDelegate,
184 ) -> Option<LanguageServerBinary> {
185 get_cached_server_binary(container_dir, &self.node).await
186 }
187
188 async fn initialization_options(
189 self: Arc<Self>,
190 _: &Arc<dyn LspAdapterDelegate>,
191 ) -> Result<Option<serde_json::Value>> {
192 Ok(Some(json!({
193 "provideFormatter": true
194 })))
195 }
196
197 async fn workspace_configuration(
198 self: Arc<Self>,
199 _: &Arc<dyn LspAdapterDelegate>,
200 _: Arc<dyn LanguageToolchainStore>,
201 cx: &mut AsyncAppContext,
202 ) -> Result<Value> {
203 cx.update(|cx| {
204 self.workspace_config
205 .get_or_init(|| Self::get_workspace_config(self.languages.language_names(), cx))
206 .clone()
207 })
208 }
209
210 fn language_ids(&self) -> HashMap<String, String> {
211 [
212 ("JSON".into(), "json".into()),
213 ("JSONC".into(), "jsonc".into()),
214 ]
215 .into_iter()
216 .collect()
217 }
218}
219
220async fn get_cached_server_binary(
221 container_dir: PathBuf,
222 node: &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 = container_dir.join(format!(
312 "package-version-server-{}{}",
313 version.name,
314 std::env::consts::EXE_SUFFIX
315 ));
316 let destination_container_path =
317 container_dir.join(format!("package-version-server-{}-tmp", version.name));
318 if fs::metadata(&destination_path).await.is_err() {
319 let mut response = delegate
320 .http_client()
321 .get(&version.url, Default::default(), true)
322 .await
323 .map_err(|err| anyhow!("error downloading release: {}", err))?;
324 if version.url.ends_with(".zip") {
325 node_runtime::extract_zip(
326 &destination_container_path,
327 BufReader::new(response.body_mut()),
328 )
329 .await?;
330 } else if version.url.ends_with(".tar.gz") {
331 let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
332 let archive = Archive::new(decompressed_bytes);
333 archive.unpack(&destination_container_path).await?;
334 }
335
336 fs::copy(
337 destination_container_path.join(format!(
338 "package-version-server{}",
339 std::env::consts::EXE_SUFFIX
340 )),
341 &destination_path,
342 )
343 .await?;
344 // todo("windows")
345 #[cfg(not(windows))]
346 {
347 fs::set_permissions(
348 &destination_path,
349 <fs::Permissions as fs::unix::PermissionsExt>::from_mode(0o755),
350 )
351 .await?;
352 }
353 remove_matching(&container_dir, |entry| entry != destination_path).await;
354 }
355
356 Ok(LanguageServerBinary {
357 path: destination_path,
358 env: None,
359 arguments: Default::default(),
360 })
361 }
362
363 async fn cached_server_binary(
364 &self,
365 container_dir: PathBuf,
366 _delegate: &dyn LspAdapterDelegate,
367 ) -> Option<LanguageServerBinary> {
368 get_cached_version_server_binary(container_dir).await
369 }
370}
371
372async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
373 maybe!(async {
374 let mut last = None;
375 let mut entries = fs::read_dir(&container_dir).await?;
376 while let Some(entry) = entries.next().await {
377 last = Some(entry?.path());
378 }
379
380 anyhow::Ok(LanguageServerBinary {
381 path: last.ok_or_else(|| anyhow!("no cached binary"))?,
382 env: None,
383 arguments: Default::default(),
384 })
385 })
386 .await
387 .log_err()
388}