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