json.rs

  1use anyhow::{Context as _, Result, bail};
  2use async_compression::futures::bufread::GzipDecoder;
  3use async_tar::Archive;
  4use async_trait::async_trait;
  5use collections::HashMap;
  6use dap::DapRegistry;
  7use futures::StreamExt;
  8use gpui::{App, AsyncApp, SharedString, Task};
  9use http_client::github::{GitHubLspBinaryVersion, latest_github_release};
 10use language::{
 11    ContextProvider, LanguageName, LanguageRegistry, LocalFile as _, LspAdapter,
 12    LspAdapterDelegate, LspInstaller, Toolchain,
 13};
 14use lsp::{LanguageServerBinary, LanguageServerName};
 15use node_runtime::{NodeRuntime, VersionStrategy};
 16use project::lsp_store::language_server_settings;
 17use serde_json::{Value, json};
 18use settings::{KeymapFile, SettingsJsonSchemaParams, SettingsStore};
 19use smol::{
 20    fs::{self},
 21    io::BufReader,
 22    lock::RwLock,
 23};
 24use std::{
 25    env::consts,
 26    ffi::OsString,
 27    path::{Path, PathBuf},
 28    str::FromStr,
 29    sync::Arc,
 30};
 31use task::{AdapterSchemas, TaskTemplate, TaskTemplates, VariableName};
 32use theme::ThemeRegistry;
 33use util::{ResultExt, archive::extract_zip, fs::remove_matching, maybe, merge_json_value_into};
 34
 35use crate::PackageJsonData;
 36
 37const SERVER_PATH: &str =
 38    "node_modules/vscode-langservers-extracted/bin/vscode-json-language-server";
 39
 40// Origin: https://github.com/SchemaStore/schemastore
 41const TSCONFIG_SCHEMA: &str = include_str!("json/schemas/tsconfig.json");
 42const PACKAGE_JSON_SCHEMA: &str = include_str!("json/schemas/package.json");
 43
 44pub(crate) struct JsonTaskProvider;
 45
 46impl ContextProvider for JsonTaskProvider {
 47    fn associated_tasks(
 48        &self,
 49        file: Option<Arc<dyn language::File>>,
 50        cx: &App,
 51    ) -> gpui::Task<Option<TaskTemplates>> {
 52        let Some(file) = project::File::from_dyn(file.as_ref()).cloned() else {
 53            return Task::ready(None);
 54        };
 55        let is_package_json = file.path.ends_with("package.json");
 56        let is_composer_json = file.path.ends_with("composer.json");
 57        if !is_package_json && !is_composer_json {
 58            return Task::ready(None);
 59        }
 60
 61        cx.spawn(async move |cx| {
 62            let contents = file
 63                .worktree
 64                .update(cx, |this, cx| this.load_file(&file.path, cx))
 65                .ok()?
 66                .await
 67                .ok()?;
 68            let path = cx.update(|cx| file.abs_path(cx)).ok()?.as_path().into();
 69
 70            let task_templates = if is_package_json {
 71                let package_json = serde_json_lenient::from_str::<
 72                    HashMap<String, serde_json_lenient::Value>,
 73                >(&contents.text)
 74                .ok()?;
 75                let package_json = PackageJsonData::new(path, package_json);
 76                let command = package_json.package_manager.unwrap_or("npm").to_owned();
 77                package_json
 78                    .scripts
 79                    .into_iter()
 80                    .map(|(_, key)| TaskTemplate {
 81                        label: format!("run {key}"),
 82                        command: command.clone(),
 83                        args: vec!["run".into(), key],
 84                        cwd: Some(VariableName::Dirname.template_value()),
 85                        ..TaskTemplate::default()
 86                    })
 87                    .chain([TaskTemplate {
 88                        label: "package script $ZED_CUSTOM_script".to_owned(),
 89                        command: command.clone(),
 90                        args: vec![
 91                            "run".into(),
 92                            VariableName::Custom("script".into()).template_value(),
 93                        ],
 94                        cwd: Some(VariableName::Dirname.template_value()),
 95                        tags: vec!["package-script".into()],
 96                        ..TaskTemplate::default()
 97                    }])
 98                    .collect()
 99            } else if is_composer_json {
100                serde_json_lenient::Value::from_str(&contents.text)
101                    .ok()?
102                    .get("scripts")?
103                    .as_object()?
104                    .keys()
105                    .map(|key| TaskTemplate {
106                        label: format!("run {key}"),
107                        command: "composer".to_owned(),
108                        args: vec!["-d".into(), "$ZED_DIRNAME".into(), key.into()],
109                        ..TaskTemplate::default()
110                    })
111                    .chain([TaskTemplate {
112                        label: "composer script $ZED_CUSTOM_script".to_owned(),
113                        command: "composer".to_owned(),
114                        args: vec![
115                            "-d".into(),
116                            "$ZED_DIRNAME".into(),
117                            VariableName::Custom("script".into()).template_value(),
118                        ],
119                        tags: vec!["composer-script".into()],
120                        ..TaskTemplate::default()
121                    }])
122                    .collect()
123            } else {
124                vec![]
125            };
126
127            Some(TaskTemplates(task_templates))
128        })
129    }
130}
131
132fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
133    vec![server_path.into(), "--stdio".into()]
134}
135
136pub struct JsonLspAdapter {
137    node: NodeRuntime,
138    languages: Arc<LanguageRegistry>,
139    workspace_config: RwLock<Option<Value>>,
140}
141
142impl JsonLspAdapter {
143    const PACKAGE_NAME: &str = "vscode-langservers-extracted";
144
145    pub fn new(node: NodeRuntime, languages: Arc<LanguageRegistry>) -> Self {
146        Self {
147            node,
148            languages,
149            workspace_config: Default::default(),
150        }
151    }
152
153    fn get_workspace_config(
154        language_names: Vec<String>,
155        adapter_schemas: AdapterSchemas,
156        cx: &mut App,
157    ) -> Value {
158        let keymap_schema = KeymapFile::generate_json_schema_for_registered_actions(cx);
159        let font_names = &cx.text_system().all_font_names();
160        let theme_names = &ThemeRegistry::global(cx).list_names();
161        let icon_theme_names = &ThemeRegistry::global(cx)
162            .list_icon_themes()
163            .into_iter()
164            .map(|icon_theme| icon_theme.name)
165            .collect::<Vec<SharedString>>();
166        let settings_schema = cx
167            .global::<SettingsStore>()
168            .json_schema(&SettingsJsonSchemaParams {
169                language_names: &language_names,
170                font_names,
171                theme_names,
172                icon_theme_names,
173            });
174
175        let tasks_schema = task::TaskTemplates::generate_json_schema();
176        let debug_schema = task::DebugTaskFile::generate_json_schema(&adapter_schemas);
177        let snippets_schema = snippet_provider::format::VsSnippetsFile::generate_json_schema();
178        let tsconfig_schema = serde_json::Value::from_str(TSCONFIG_SCHEMA).unwrap();
179        let package_json_schema = serde_json::Value::from_str(PACKAGE_JSON_SCHEMA).unwrap();
180
181        #[allow(unused_mut)]
182        let mut schemas = serde_json::json!([
183            {
184                "fileMatch": ["tsconfig.json"],
185                "schema":tsconfig_schema
186            },
187            {
188                "fileMatch": ["package.json"],
189                "schema":package_json_schema
190            },
191            {
192                "fileMatch": [
193                    schema_file_match(paths::settings_file()),
194                    paths::local_settings_file_relative_path()
195                ],
196                "schema": settings_schema,
197            },
198            {
199                "fileMatch": [schema_file_match(paths::keymap_file())],
200                "schema": keymap_schema,
201            },
202            {
203                "fileMatch": [
204                    schema_file_match(paths::tasks_file()),
205                    paths::local_tasks_file_relative_path()
206                ],
207                "schema": tasks_schema,
208            },
209            {
210                "fileMatch": [
211                    schema_file_match(
212                        paths::snippets_dir()
213                            .join("*.json")
214                            .as_path()
215                    )
216                ],
217                "schema": snippets_schema,
218            },
219            {
220                "fileMatch": [
221                    schema_file_match(paths::debug_scenarios_file()),
222                    paths::local_debug_file_relative_path()
223                ],
224                "schema": debug_schema,
225            },
226        ]);
227
228        #[cfg(debug_assertions)]
229        {
230            schemas.as_array_mut().unwrap().push(serde_json::json!(
231                {
232                    "fileMatch": [
233                        "zed-inspector-style.json"
234                    ],
235                    "schema": generate_inspector_style_schema(),
236                }
237            ))
238        }
239
240        schemas
241            .as_array_mut()
242            .unwrap()
243            .extend(cx.all_action_names().iter().map(|&name| {
244                project::lsp_store::json_language_server_ext::url_schema_for_action(name)
245            }));
246
247        // This can be viewed via `dev: open language server logs` -> `json-language-server` ->
248        // `Server Info`
249        serde_json::json!({
250            "json": {
251                "format": {
252                    "enable": true,
253                },
254                "validate":
255                {
256                    "enable": true,
257                },
258                "schemas": schemas
259            }
260        })
261    }
262
263    async fn get_or_init_workspace_config(&self, cx: &mut AsyncApp) -> Result<Value> {
264        {
265            let reader = self.workspace_config.read().await;
266            if let Some(config) = reader.as_ref() {
267                return Ok(config.clone());
268            }
269        }
270        let mut writer = self.workspace_config.write().await;
271
272        let adapter_schemas = cx
273            .read_global::<DapRegistry, _>(|dap_registry, _| dap_registry.to_owned())?
274            .adapters_schema()
275            .await;
276
277        let config = cx.update(|cx| {
278            Self::get_workspace_config(
279                self.languages
280                    .language_names()
281                    .into_iter()
282                    .map(|name| name.to_string())
283                    .collect(),
284                adapter_schemas,
285                cx,
286            )
287        })?;
288        writer.replace(config.clone());
289        Ok(config)
290    }
291}
292
293#[cfg(debug_assertions)]
294fn generate_inspector_style_schema() -> serde_json_lenient::Value {
295    let schema = schemars::generate::SchemaSettings::draft2019_09()
296        .with_transform(util::schemars::DefaultDenyUnknownFields)
297        .into_generator()
298        .root_schema_for::<gpui::StyleRefinement>();
299
300    serde_json_lenient::to_value(schema).unwrap()
301}
302
303impl LspInstaller for JsonLspAdapter {
304    type BinaryVersion = String;
305
306    async fn fetch_latest_server_version(
307        &self,
308        _: &dyn LspAdapterDelegate,
309        _: bool,
310        _: &mut AsyncApp,
311    ) -> Result<String> {
312        self.node
313            .npm_package_latest_version(Self::PACKAGE_NAME)
314            .await
315    }
316
317    async fn check_if_user_installed(
318        &self,
319        delegate: &dyn LspAdapterDelegate,
320        _: Option<Toolchain>,
321        _: &AsyncApp,
322    ) -> Option<LanguageServerBinary> {
323        let path = delegate
324            .which("vscode-json-language-server".as_ref())
325            .await?;
326        let env = delegate.shell_env().await;
327
328        Some(LanguageServerBinary {
329            path,
330            env: Some(env),
331            arguments: vec!["--stdio".into()],
332        })
333    }
334
335    async fn check_if_version_installed(
336        &self,
337        version: &String,
338        container_dir: &PathBuf,
339        _: &dyn LspAdapterDelegate,
340    ) -> Option<LanguageServerBinary> {
341        let server_path = container_dir.join(SERVER_PATH);
342
343        let should_install_language_server = self
344            .node
345            .should_install_npm_package(
346                Self::PACKAGE_NAME,
347                &server_path,
348                container_dir,
349                VersionStrategy::Latest(version),
350            )
351            .await;
352
353        if should_install_language_server {
354            None
355        } else {
356            Some(LanguageServerBinary {
357                path: self.node.binary_path().await.ok()?,
358                env: None,
359                arguments: server_binary_arguments(&server_path),
360            })
361        }
362    }
363
364    async fn fetch_server_binary(
365        &self,
366        latest_version: String,
367        container_dir: PathBuf,
368        _: &dyn LspAdapterDelegate,
369    ) -> Result<LanguageServerBinary> {
370        let server_path = container_dir.join(SERVER_PATH);
371
372        self.node
373            .npm_install_packages(
374                &container_dir,
375                &[(Self::PACKAGE_NAME, latest_version.as_str())],
376            )
377            .await?;
378
379        Ok(LanguageServerBinary {
380            path: self.node.binary_path().await?,
381            env: None,
382            arguments: server_binary_arguments(&server_path),
383        })
384    }
385
386    async fn cached_server_binary(
387        &self,
388        container_dir: PathBuf,
389        _: &dyn LspAdapterDelegate,
390    ) -> Option<LanguageServerBinary> {
391        get_cached_server_binary(container_dir, &self.node).await
392    }
393}
394
395#[async_trait(?Send)]
396impl LspAdapter for JsonLspAdapter {
397    fn name(&self) -> LanguageServerName {
398        LanguageServerName("json-language-server".into())
399    }
400
401    async fn initialization_options(
402        self: Arc<Self>,
403        _: &Arc<dyn LspAdapterDelegate>,
404    ) -> Result<Option<serde_json::Value>> {
405        Ok(Some(json!({
406            "provideFormatter": true
407        })))
408    }
409
410    async fn workspace_configuration(
411        self: Arc<Self>,
412        delegate: &Arc<dyn LspAdapterDelegate>,
413        _: Option<Toolchain>,
414        cx: &mut AsyncApp,
415    ) -> Result<Value> {
416        let mut config = self.get_or_init_workspace_config(cx).await?;
417
418        let project_options = cx.update(|cx| {
419            language_server_settings(delegate.as_ref(), &self.name(), cx)
420                .and_then(|s| s.settings.clone())
421        })?;
422
423        if let Some(override_options) = project_options {
424            merge_json_value_into(override_options, &mut config);
425        }
426
427        Ok(config)
428    }
429
430    fn language_ids(&self) -> HashMap<LanguageName, String> {
431        [
432            (LanguageName::new("JSON"), "json".into()),
433            (LanguageName::new("JSONC"), "jsonc".into()),
434        ]
435        .into_iter()
436        .collect()
437    }
438
439    fn is_primary_zed_json_schema_adapter(&self) -> bool {
440        true
441    }
442
443    async fn clear_zed_json_schema_cache(&self) {
444        self.workspace_config.write().await.take();
445    }
446}
447
448async fn get_cached_server_binary(
449    container_dir: PathBuf,
450    node: &NodeRuntime,
451) -> Option<LanguageServerBinary> {
452    maybe!(async {
453        let mut last_version_dir = None;
454        let mut entries = fs::read_dir(&container_dir).await?;
455        while let Some(entry) = entries.next().await {
456            let entry = entry?;
457            if entry.file_type().await?.is_dir() {
458                last_version_dir = Some(entry.path());
459            }
460        }
461
462        let last_version_dir = last_version_dir.context("no cached binary")?;
463        let server_path = last_version_dir.join(SERVER_PATH);
464        anyhow::ensure!(
465            server_path.exists(),
466            "missing executable in directory {last_version_dir:?}"
467        );
468        Ok(LanguageServerBinary {
469            path: node.binary_path().await?,
470            env: None,
471            arguments: server_binary_arguments(&server_path),
472        })
473    })
474    .await
475    .log_err()
476}
477
478#[inline]
479fn schema_file_match(path: &Path) -> String {
480    path.strip_prefix(path.parent().unwrap().parent().unwrap())
481        .unwrap()
482        .display()
483        .to_string()
484        .replace('\\', "/")
485}
486
487pub struct NodeVersionAdapter;
488
489impl NodeVersionAdapter {
490    const SERVER_NAME: LanguageServerName =
491        LanguageServerName::new_static("package-version-server");
492}
493
494impl LspInstaller for NodeVersionAdapter {
495    type BinaryVersion = GitHubLspBinaryVersion;
496
497    async fn fetch_latest_server_version(
498        &self,
499        delegate: &dyn LspAdapterDelegate,
500        _: bool,
501        _: &mut AsyncApp,
502    ) -> Result<GitHubLspBinaryVersion> {
503        let release = latest_github_release(
504            "zed-industries/package-version-server",
505            true,
506            false,
507            delegate.http_client(),
508        )
509        .await?;
510        let os = match consts::OS {
511            "macos" => "apple-darwin",
512            "linux" => "unknown-linux-gnu",
513            "windows" => "pc-windows-msvc",
514            other => bail!("Running on unsupported os: {other}"),
515        };
516        let suffix = if consts::OS == "windows" {
517            ".zip"
518        } else {
519            ".tar.gz"
520        };
521        let asset_name = format!("{}-{}-{os}{suffix}", Self::SERVER_NAME, consts::ARCH);
522        let asset = release
523            .assets
524            .iter()
525            .find(|asset| asset.name == asset_name)
526            .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
527        Ok(GitHubLspBinaryVersion {
528            name: release.tag_name,
529            url: asset.browser_download_url.clone(),
530            digest: asset.digest.clone(),
531        })
532    }
533
534    async fn check_if_user_installed(
535        &self,
536        delegate: &dyn LspAdapterDelegate,
537        _: Option<Toolchain>,
538        _: &AsyncApp,
539    ) -> Option<LanguageServerBinary> {
540        let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
541        Some(LanguageServerBinary {
542            path,
543            env: None,
544            arguments: Default::default(),
545        })
546    }
547
548    async fn fetch_server_binary(
549        &self,
550        latest_version: GitHubLspBinaryVersion,
551        container_dir: PathBuf,
552        delegate: &dyn LspAdapterDelegate,
553    ) -> Result<LanguageServerBinary> {
554        let version = &latest_version;
555        let destination_path = container_dir.join(format!(
556            "{}-{}{}",
557            Self::SERVER_NAME,
558            version.name,
559            std::env::consts::EXE_SUFFIX
560        ));
561        let destination_container_path =
562            container_dir.join(format!("{}-{}-tmp", Self::SERVER_NAME, version.name));
563        if fs::metadata(&destination_path).await.is_err() {
564            let mut response = delegate
565                .http_client()
566                .get(&version.url, Default::default(), true)
567                .await
568                .context("downloading release")?;
569            if version.url.ends_with(".zip") {
570                extract_zip(&destination_container_path, response.body_mut()).await?;
571            } else if version.url.ends_with(".tar.gz") {
572                let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
573                let archive = Archive::new(decompressed_bytes);
574                archive.unpack(&destination_container_path).await?;
575            }
576
577            fs::copy(
578                destination_container_path.join(format!(
579                    "{}{}",
580                    Self::SERVER_NAME,
581                    std::env::consts::EXE_SUFFIX
582                )),
583                &destination_path,
584            )
585            .await?;
586            remove_matching(&container_dir, |entry| entry != destination_path).await;
587        }
588        Ok(LanguageServerBinary {
589            path: destination_path,
590            env: None,
591            arguments: Default::default(),
592        })
593    }
594
595    async fn cached_server_binary(
596        &self,
597        container_dir: PathBuf,
598        _delegate: &dyn LspAdapterDelegate,
599    ) -> Option<LanguageServerBinary> {
600        get_cached_version_server_binary(container_dir).await
601    }
602}
603
604#[async_trait(?Send)]
605impl LspAdapter for NodeVersionAdapter {
606    fn name(&self) -> LanguageServerName {
607        Self::SERVER_NAME
608    }
609}
610
611async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
612    maybe!(async {
613        let mut last = None;
614        let mut entries = fs::read_dir(&container_dir).await?;
615        while let Some(entry) = entries.next().await {
616            last = Some(entry?.path());
617        }
618
619        anyhow::Ok(LanguageServerBinary {
620            path: last.context("no cached binary")?,
621            env: None,
622            arguments: Default::default(),
623        })
624    })
625    .await
626    .log_err()
627}