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, LanguageRegistry, LanguageToolchainStore, LocalFile as _, LspAdapter,
 12    LspAdapterDelegate,
 13};
 14use lsp::{LanguageServerBinary, LanguageServerName};
 15use node_runtime::NodeRuntime;
 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        // This can be viewed via `dev: open language server logs` -> `json-language-server` ->
235        // `Server Info`
236        serde_json::json!({
237            "json": {
238                "format": {
239                    "enable": true,
240                },
241                "validate":
242                {
243                    "enable": true,
244                },
245                "schemas": schemas
246            }
247        })
248    }
249
250    async fn get_or_init_workspace_config(&self, cx: &mut AsyncApp) -> Result<Value> {
251        {
252            let reader = self.workspace_config.read().await;
253            if let Some(config) = reader.as_ref() {
254                return Ok(config.clone());
255            }
256        }
257        let mut writer = self.workspace_config.write().await;
258
259        let adapter_schemas = cx
260            .read_global::<DapRegistry, _>(|dap_registry, _| dap_registry.to_owned())?
261            .adapters_schema()
262            .await;
263
264        let config = cx.update(|cx| {
265            Self::get_workspace_config(self.languages.language_names().clone(), adapter_schemas, cx)
266        })?;
267        writer.replace(config.clone());
268        return Ok(config);
269    }
270}
271
272#[cfg(debug_assertions)]
273fn generate_inspector_style_schema() -> serde_json_lenient::Value {
274    let schema = schemars::generate::SchemaSettings::draft2019_09()
275        .with_transform(util::schemars::DefaultDenyUnknownFields)
276        .into_generator()
277        .root_schema_for::<gpui::StyleRefinement>();
278
279    serde_json_lenient::to_value(schema).unwrap()
280}
281
282#[async_trait(?Send)]
283impl LspAdapter for JsonLspAdapter {
284    fn name(&self) -> LanguageServerName {
285        LanguageServerName("json-language-server".into())
286    }
287
288    async fn check_if_user_installed(
289        &self,
290        delegate: &dyn LspAdapterDelegate,
291        _: Arc<dyn LanguageToolchainStore>,
292        _: &AsyncApp,
293    ) -> Option<LanguageServerBinary> {
294        let path = delegate
295            .which("vscode-json-language-server".as_ref())
296            .await?;
297        let env = delegate.shell_env().await;
298
299        Some(LanguageServerBinary {
300            path,
301            env: Some(env),
302            arguments: vec!["--stdio".into()],
303        })
304    }
305
306    async fn fetch_latest_server_version(
307        &self,
308        _: &dyn LspAdapterDelegate,
309    ) -> Result<Box<dyn 'static + Send + Any>> {
310        Ok(Box::new(
311            self.node
312                .npm_package_latest_version(Self::PACKAGE_NAME)
313                .await?,
314        ) as Box<_>)
315    }
316
317    async fn check_if_version_installed(
318        &self,
319        version: &(dyn 'static + Send + Any),
320        container_dir: &PathBuf,
321        _: &dyn LspAdapterDelegate,
322    ) -> Option<LanguageServerBinary> {
323        let version = version.downcast_ref::<String>().unwrap();
324        let server_path = container_dir.join(SERVER_PATH);
325
326        let should_install_language_server = self
327            .node
328            .should_install_npm_package(Self::PACKAGE_NAME, &server_path, &container_dir, &version)
329            .await;
330
331        if should_install_language_server {
332            None
333        } else {
334            Some(LanguageServerBinary {
335                path: self.node.binary_path().await.ok()?,
336                env: None,
337                arguments: server_binary_arguments(&server_path),
338            })
339        }
340    }
341
342    async fn fetch_server_binary(
343        &self,
344        latest_version: Box<dyn 'static + Send + Any>,
345        container_dir: PathBuf,
346        _: &dyn LspAdapterDelegate,
347    ) -> Result<LanguageServerBinary> {
348        let latest_version = latest_version.downcast::<String>().unwrap();
349        let server_path = container_dir.join(SERVER_PATH);
350
351        self.node
352            .npm_install_packages(
353                &container_dir,
354                &[(Self::PACKAGE_NAME, latest_version.as_str())],
355            )
356            .await?;
357
358        Ok(LanguageServerBinary {
359            path: self.node.binary_path().await?,
360            env: None,
361            arguments: server_binary_arguments(&server_path),
362        })
363    }
364
365    async fn cached_server_binary(
366        &self,
367        container_dir: PathBuf,
368        _: &dyn LspAdapterDelegate,
369    ) -> Option<LanguageServerBinary> {
370        get_cached_server_binary(container_dir, &self.node).await
371    }
372
373    async fn initialization_options(
374        self: Arc<Self>,
375        _: &dyn Fs,
376        _: &Arc<dyn LspAdapterDelegate>,
377    ) -> Result<Option<serde_json::Value>> {
378        Ok(Some(json!({
379            "provideFormatter": true
380        })))
381    }
382
383    async fn workspace_configuration(
384        self: Arc<Self>,
385        _: &dyn Fs,
386        delegate: &Arc<dyn LspAdapterDelegate>,
387        _: Arc<dyn LanguageToolchainStore>,
388        cx: &mut AsyncApp,
389    ) -> Result<Value> {
390        let mut config = self.get_or_init_workspace_config(cx).await?;
391
392        let project_options = cx.update(|cx| {
393            language_server_settings(delegate.as_ref(), &self.name(), cx)
394                .and_then(|s| s.settings.clone())
395        })?;
396
397        if let Some(override_options) = project_options {
398            merge_json_value_into(override_options, &mut config);
399        }
400
401        Ok(config)
402    }
403
404    fn language_ids(&self) -> HashMap<String, String> {
405        [
406            ("JSON".into(), "json".into()),
407            ("JSONC".into(), "jsonc".into()),
408        ]
409        .into_iter()
410        .collect()
411    }
412
413    fn is_primary_zed_json_schema_adapter(&self) -> bool {
414        true
415    }
416
417    async fn clear_zed_json_schema_cache(&self) {
418        self.workspace_config.write().await.take();
419    }
420}
421
422async fn get_cached_server_binary(
423    container_dir: PathBuf,
424    node: &NodeRuntime,
425) -> Option<LanguageServerBinary> {
426    maybe!(async {
427        let mut last_version_dir = None;
428        let mut entries = fs::read_dir(&container_dir).await?;
429        while let Some(entry) = entries.next().await {
430            let entry = entry?;
431            if entry.file_type().await?.is_dir() {
432                last_version_dir = Some(entry.path());
433            }
434        }
435
436        let last_version_dir = last_version_dir.context("no cached binary")?;
437        let server_path = last_version_dir.join(SERVER_PATH);
438        anyhow::ensure!(
439            server_path.exists(),
440            "missing executable in directory {last_version_dir:?}"
441        );
442        Ok(LanguageServerBinary {
443            path: node.binary_path().await?,
444            env: None,
445            arguments: server_binary_arguments(&server_path),
446        })
447    })
448    .await
449    .log_err()
450}
451
452#[inline]
453fn schema_file_match(path: &Path) -> String {
454    path.strip_prefix(path.parent().unwrap().parent().unwrap())
455        .unwrap()
456        .display()
457        .to_string()
458        .replace('\\', "/")
459}
460
461pub struct NodeVersionAdapter;
462
463impl NodeVersionAdapter {
464    const SERVER_NAME: LanguageServerName =
465        LanguageServerName::new_static("package-version-server");
466}
467
468#[async_trait(?Send)]
469impl LspAdapter for NodeVersionAdapter {
470    fn name(&self) -> LanguageServerName {
471        Self::SERVER_NAME.clone()
472    }
473
474    async fn fetch_latest_server_version(
475        &self,
476        delegate: &dyn LspAdapterDelegate,
477    ) -> Result<Box<dyn 'static + Send + Any>> {
478        let release = latest_github_release(
479            "zed-industries/package-version-server",
480            true,
481            false,
482            delegate.http_client(),
483        )
484        .await?;
485        let os = match consts::OS {
486            "macos" => "apple-darwin",
487            "linux" => "unknown-linux-gnu",
488            "windows" => "pc-windows-msvc",
489            other => bail!("Running on unsupported os: {other}"),
490        };
491        let suffix = if consts::OS == "windows" {
492            ".zip"
493        } else {
494            ".tar.gz"
495        };
496        let asset_name = format!("{}-{}-{os}{suffix}", Self::SERVER_NAME, consts::ARCH);
497        let asset = release
498            .assets
499            .iter()
500            .find(|asset| asset.name == asset_name)
501            .with_context(|| format!("no asset found matching `{asset_name:?}`"))?;
502        Ok(Box::new(GitHubLspBinaryVersion {
503            name: release.tag_name,
504            url: asset.browser_download_url.clone(),
505        }))
506    }
507
508    async fn check_if_user_installed(
509        &self,
510        delegate: &dyn LspAdapterDelegate,
511        _: Arc<dyn LanguageToolchainStore>,
512        _: &AsyncApp,
513    ) -> Option<LanguageServerBinary> {
514        let path = delegate.which(Self::SERVER_NAME.as_ref()).await?;
515        Some(LanguageServerBinary {
516            path,
517            env: None,
518            arguments: Default::default(),
519        })
520    }
521
522    async fn fetch_server_binary(
523        &self,
524        latest_version: Box<dyn 'static + Send + Any>,
525        container_dir: PathBuf,
526        delegate: &dyn LspAdapterDelegate,
527    ) -> Result<LanguageServerBinary> {
528        let version = latest_version.downcast::<GitHubLspBinaryVersion>().unwrap();
529        let destination_path = container_dir.join(format!(
530            "{}-{}{}",
531            Self::SERVER_NAME,
532            version.name,
533            std::env::consts::EXE_SUFFIX
534        ));
535        let destination_container_path =
536            container_dir.join(format!("{}-{}-tmp", Self::SERVER_NAME, version.name));
537        if fs::metadata(&destination_path).await.is_err() {
538            let mut response = delegate
539                .http_client()
540                .get(&version.url, Default::default(), true)
541                .await
542                .context("downloading release")?;
543            if version.url.ends_with(".zip") {
544                extract_zip(&destination_container_path, response.body_mut()).await?;
545            } else if version.url.ends_with(".tar.gz") {
546                let decompressed_bytes = GzipDecoder::new(BufReader::new(response.body_mut()));
547                let archive = Archive::new(decompressed_bytes);
548                archive.unpack(&destination_container_path).await?;
549            }
550
551            fs::copy(
552                destination_container_path.join(format!(
553                    "{}{}",
554                    Self::SERVER_NAME,
555                    std::env::consts::EXE_SUFFIX
556                )),
557                &destination_path,
558            )
559            .await?;
560            remove_matching(&container_dir, |entry| entry != destination_path).await;
561        }
562        Ok(LanguageServerBinary {
563            path: destination_path,
564            env: None,
565            arguments: Default::default(),
566        })
567    }
568
569    async fn cached_server_binary(
570        &self,
571        container_dir: PathBuf,
572        _delegate: &dyn LspAdapterDelegate,
573    ) -> Option<LanguageServerBinary> {
574        get_cached_version_server_binary(container_dir).await
575    }
576}
577
578async fn get_cached_version_server_binary(container_dir: PathBuf) -> Option<LanguageServerBinary> {
579    maybe!(async {
580        let mut last = None;
581        let mut entries = fs::read_dir(&container_dir).await?;
582        while let Some(entry) = entries.next().await {
583            last = Some(entry?.path());
584        }
585
586        anyhow::Ok(LanguageServerBinary {
587            path: last.context("no cached binary")?,
588            env: None,
589            arguments: Default::default(),
590        })
591    })
592    .await
593    .log_err()
594}