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::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        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 settings_schema = cx.global::<SettingsStore>().json_schema(
161            &SettingsJsonSchemaParams {
162                language_names: &language_names,
163                font_names,
164            },
165            cx,
166        );
167
168        let tasks_schema = task::TaskTemplates::generate_json_schema();
169        let debug_schema = task::DebugTaskFile::generate_json_schema(&adapter_schemas);
170        let snippets_schema = snippet_provider::format::VsSnippetsFile::generate_json_schema();
171        let tsconfig_schema = serde_json::Value::from_str(TSCONFIG_SCHEMA).unwrap();
172        let package_json_schema = serde_json::Value::from_str(PACKAGE_JSON_SCHEMA).unwrap();
173
174        #[allow(unused_mut)]
175        let mut schemas = serde_json::json!([
176            {
177                "fileMatch": ["tsconfig.json"],
178                "schema":tsconfig_schema
179            },
180            {
181                "fileMatch": ["package.json"],
182                "schema":package_json_schema
183            },
184            {
185                "fileMatch": [
186                    schema_file_match(paths::settings_file()),
187                    paths::local_settings_file_relative_path()
188                ],
189                "schema": settings_schema,
190            },
191            {
192                "fileMatch": [schema_file_match(paths::keymap_file())],
193                "schema": keymap_schema,
194            },
195            {
196                "fileMatch": [
197                    schema_file_match(paths::tasks_file()),
198                    paths::local_tasks_file_relative_path()
199                ],
200                "schema": tasks_schema,
201            },
202            {
203                "fileMatch": [
204                    schema_file_match(
205                        paths::snippets_dir()
206                            .join("*.json")
207                            .as_path()
208                    )
209                ],
210                "schema": snippets_schema,
211            },
212            {
213                "fileMatch": [
214                    schema_file_match(paths::debug_scenarios_file()),
215                    paths::local_debug_file_relative_path()
216                ],
217                "schema": debug_schema,
218            },
219        ]);
220
221        #[cfg(debug_assertions)]
222        {
223            schemas.as_array_mut().unwrap().push(serde_json::json!(
224                {
225                    "fileMatch": [
226                        "zed-inspector-style.json"
227                    ],
228                    "schema": generate_inspector_style_schema(),
229                }
230            ))
231        }
232
233        schemas
234            .as_array_mut()
235            .unwrap()
236            .extend(cx.all_action_names().iter().map(|&name| {
237                project::lsp_store::json_language_server_ext::url_schema_for_action(name)
238            }));
239
240        // This can be viewed via `dev: open language server logs` -> `json-language-server` ->
241        // `Server Info`
242        serde_json::json!({
243            "json": {
244                "format": {
245                    "enable": true,
246                },
247                "validate":
248                {
249                    "enable": true,
250                },
251                "schemas": schemas
252            }
253        })
254    }
255
256    async fn get_or_init_workspace_config(&self, cx: &mut AsyncApp) -> Result<Value> {
257        {
258            let reader = self.workspace_config.read().await;
259            if let Some(config) = reader.as_ref() {
260                return Ok(config.clone());
261            }
262        }
263        let mut writer = self.workspace_config.write().await;
264
265        let adapter_schemas = cx
266            .read_global::<DapRegistry, _>(|dap_registry, _| dap_registry.to_owned())?
267            .adapters_schema()
268            .await;
269
270        let config = cx.update(|cx| {
271            Self::get_workspace_config(
272                self.languages
273                    .language_names()
274                    .into_iter()
275                    .map(|name| name.to_string())
276                    .collect(),
277                adapter_schemas,
278                cx,
279            )
280        })?;
281        writer.replace(config.clone());
282        Ok(config)
283    }
284}
285
286#[cfg(debug_assertions)]
287fn generate_inspector_style_schema() -> serde_json_lenient::Value {
288    let schema = schemars::generate::SchemaSettings::draft2019_09()
289        .with_transform(util::schemars::DefaultDenyUnknownFields)
290        .into_generator()
291        .root_schema_for::<gpui::StyleRefinement>();
292
293    serde_json_lenient::to_value(schema).unwrap()
294}
295
296#[async_trait(?Send)]
297impl LspAdapter for JsonLspAdapter {
298    fn name(&self) -> LanguageServerName {
299        LanguageServerName("json-language-server".into())
300    }
301
302    async fn check_if_user_installed(
303        &self,
304        delegate: &dyn LspAdapterDelegate,
305        _: Option<Toolchain>,
306        _: &AsyncApp,
307    ) -> Option<LanguageServerBinary> {
308        let path = delegate
309            .which("vscode-json-language-server".as_ref())
310            .await?;
311        let env = delegate.shell_env().await;
312
313        Some(LanguageServerBinary {
314            path,
315            env: Some(env),
316            arguments: vec!["--stdio".into()],
317        })
318    }
319
320    async fn fetch_latest_server_version(
321        &self,
322        _: &dyn LspAdapterDelegate,
323        _: &AsyncApp,
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        _: &Arc<dyn LspAdapterDelegate>,
396    ) -> Result<Option<serde_json::Value>> {
397        Ok(Some(json!({
398            "provideFormatter": true
399        })))
400    }
401
402    async fn workspace_configuration(
403        self: Arc<Self>,
404        delegate: &Arc<dyn LspAdapterDelegate>,
405        _: Option<Toolchain>,
406        cx: &mut AsyncApp,
407    ) -> Result<Value> {
408        let mut config = self.get_or_init_workspace_config(cx).await?;
409
410        let project_options = cx.update(|cx| {
411            language_server_settings(delegate.as_ref(), &self.name(), cx)
412                .and_then(|s| s.settings.clone())
413        })?;
414
415        if let Some(override_options) = project_options {
416            merge_json_value_into(override_options, &mut config);
417        }
418
419        Ok(config)
420    }
421
422    fn language_ids(&self) -> HashMap<LanguageName, String> {
423        [
424            (LanguageName::new("JSON"), "json".into()),
425            (LanguageName::new("JSONC"), "jsonc".into()),
426        ]
427        .into_iter()
428        .collect()
429    }
430
431    fn is_primary_zed_json_schema_adapter(&self) -> bool {
432        true
433    }
434
435    async fn clear_zed_json_schema_cache(&self) {
436        self.workspace_config.write().await.take();
437    }
438}
439
440async fn get_cached_server_binary(
441    container_dir: PathBuf,
442    node: &NodeRuntime,
443) -> Option<LanguageServerBinary> {
444    maybe!(async {
445        let mut last_version_dir = None;
446        let mut entries = fs::read_dir(&container_dir).await?;
447        while let Some(entry) = entries.next().await {
448            let entry = entry?;
449            if entry.file_type().await?.is_dir() {
450                last_version_dir = Some(entry.path());
451            }
452        }
453
454        let last_version_dir = last_version_dir.context("no cached binary")?;
455        let server_path = last_version_dir.join(SERVER_PATH);
456        anyhow::ensure!(
457            server_path.exists(),
458            "missing executable in directory {last_version_dir:?}"
459        );
460        Ok(LanguageServerBinary {
461            path: node.binary_path().await?,
462            env: None,
463            arguments: server_binary_arguments(&server_path),
464        })
465    })
466    .await
467    .log_err()
468}
469
470#[inline]
471fn schema_file_match(path: &Path) -> String {
472    path.strip_prefix(path.parent().unwrap().parent().unwrap())
473        .unwrap()
474        .display()
475        .to_string()
476        .replace('\\', "/")
477}
478
479pub struct NodeVersionAdapter;
480
481impl NodeVersionAdapter {
482    const SERVER_NAME: LanguageServerName =
483        LanguageServerName::new_static("package-version-server");
484}
485
486#[async_trait(?Send)]
487impl LspAdapter for NodeVersionAdapter {
488    fn name(&self) -> LanguageServerName {
489        Self::SERVER_NAME
490    }
491
492    async fn fetch_latest_server_version(
493        &self,
494        delegate: &dyn LspAdapterDelegate,
495        _: &AsyncApp,
496    ) -> Result<Box<dyn 'static + Send + Any>> {
497        let release = latest_github_release(
498            "zed-industries/package-version-server",
499            true,
500            false,
501            delegate.http_client(),
502        )
503        .await?;
504        let os = match consts::OS {
505            "macos" => "apple-darwin",
506            "linux" => "unknown-linux-gnu",
507            "windows" => "pc-windows-msvc",
508            other => bail!("Running on unsupported os: {other}"),
509        };
510        let suffix = if consts::OS == "windows" {
511            ".zip"
512        } else {
513            ".tar.gz"
514        };
515        let asset_name = format!("{}-{}-{os}{suffix}", Self::SERVER_NAME, consts::ARCH);
516        let asset = release
517            .assets
518            .iter()
519            .find(|asset| asset.name == asset_name)
520            .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
521        Ok(Box::new(GitHubLspBinaryVersion {
522            name: release.tag_name,
523            url: asset.browser_download_url.clone(),
524            digest: asset.digest.clone(),
525        }))
526    }
527
528    async fn check_if_user_installed(
529        &self,
530        delegate: &dyn LspAdapterDelegate,
531        _: Option<Toolchain>,
532        _: &AsyncApp,
533    ) -> Option<LanguageServerBinary> {
534        let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
535        Some(LanguageServerBinary {
536            path,
537            env: None,
538            arguments: Default::default(),
539        })
540    }
541
542    async fn fetch_server_binary(
543        &self,
544        latest_version: Box<dyn 'static + Send + Any>,
545        container_dir: PathBuf,
546        delegate: &dyn LspAdapterDelegate,
547    ) -> Result<LanguageServerBinary> {
548        let version = latest_version.downcast::<GitHubLspBinaryVersion>().unwrap();
549        let destination_path = container_dir.join(format!(
550            "{}-{}{}",
551            Self::SERVER_NAME,
552            version.name,
553            std::env::consts::EXE_SUFFIX
554        ));
555        let destination_container_path =
556            container_dir.join(format!("{}-{}-tmp", Self::SERVER_NAME, version.name));
557        if fs::metadata(&destination_path).await.is_err() {
558            let mut response = delegate
559                .http_client()
560                .get(&version.url, Default::default(), true)
561                .await
562                .context("downloading release")?;
563            if version.url.ends_with(".zip") {
564                extract_zip(&destination_container_path, response.body_mut()).await?;
565            } else if version.url.ends_with(".tar.gz") {
566                let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
567                let archive = Archive::new(decompressed_bytes);
568                archive.unpack(&destination_container_path).await?;
569            }
570
571            fs::copy(
572                destination_container_path.join(format!(
573                    "{}{}",
574                    Self::SERVER_NAME,
575                    std::env::consts::EXE_SUFFIX
576                )),
577                &destination_path,
578            )
579            .await?;
580            remove_matching(&container_dir, |entry| entry != destination_path).await;
581        }
582        Ok(LanguageServerBinary {
583            path: destination_path,
584            env: None,
585            arguments: Default::default(),
586        })
587    }
588
589    async fn cached_server_binary(
590        &self,
591        container_dir: PathBuf,
592        _delegate: &dyn LspAdapterDelegate,
593    ) -> Option<LanguageServerBinary> {
594        get_cached_version_server_binary(container_dir).await
595    }
596}
597
598async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
599    maybe!(async {
600        let mut last = None;
601        let mut entries = fs::read_dir(&container_dir).await?;
602        while let Some(entry) = entries.next().await {
603            last = Some(entry?.path());
604        }
605
606        anyhow::Ok(LanguageServerBinary {
607            path: last.context("no cached binary")?,
608            env: None,
609            arguments: Default::default(),
610        })
611    })
612    .await
613    .log_err()
614}