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