1use anyhow::Context as _;
2use gpui::{App, SharedString, UpdateGlobal};
3use node_runtime::NodeRuntime;
4use project::Fs;
5use python::PyprojectTomlManifestProvider;
6use rust::CargoManifestProvider;
7use rust_embed::RustEmbed;
8use settings::{SemanticTokenRules, SettingsStore};
9use smol::stream::StreamExt;
10use std::{str, sync::Arc};
11use util::{ResultExt, asset_str};
12
13pub use language::*;
14
15use crate::{
16 json::JsonTaskProvider,
17 python::{BasedPyrightLspAdapter, RuffLspAdapter},
18};
19
20mod bash;
21mod c;
22mod cpp;
23mod css;
24mod eslint;
25mod go;
26mod json;
27mod package_json;
28mod python;
29mod rust;
30mod tailwind;
31mod tailwindcss;
32mod typescript;
33mod vtsls;
34mod yaml;
35
36pub(crate) use package_json::{PackageJson, PackageJsonData};
37
38#[derive(RustEmbed)]
39#[folder = "src/"]
40#[exclude = "*.rs"]
41struct LanguageDir;
42
43/// A shared grammar for plain text, exposed for reuse by downstream crates.
44#[cfg(feature = "tree-sitter-gitcommit")]
45pub static LANGUAGE_GIT_COMMIT: std::sync::LazyLock<Arc<Language>> =
46 std::sync::LazyLock::new(|| {
47 Arc::new(Language::new(
48 LanguageConfig {
49 name: "Git Commit".into(),
50 soft_wrap: Some(language::language_settings::SoftWrap::EditorWidth),
51 matcher: LanguageMatcher {
52 path_suffixes: vec!["COMMIT_EDITMSG".to_owned()],
53 first_line_pattern: None,
54 },
55 line_comments: vec![Arc::from("#")],
56 ..LanguageConfig::default()
57 },
58 Some(tree_sitter_gitcommit::LANGUAGE.into()),
59 ))
60 });
61
62pub fn init(languages: Arc<LanguageRegistry>, fs: Arc<dyn Fs>, node: NodeRuntime, cx: &mut App) {
63 #[cfg(feature = "load-grammars")]
64 languages.register_native_grammars([
65 ("bash", tree_sitter_bash::LANGUAGE),
66 ("c", tree_sitter_c::LANGUAGE),
67 ("cpp", tree_sitter_cpp::LANGUAGE),
68 ("css", tree_sitter_css::LANGUAGE),
69 ("diff", tree_sitter_diff::LANGUAGE),
70 ("go", tree_sitter_go::LANGUAGE),
71 ("gomod", tree_sitter_go_mod::LANGUAGE),
72 ("gowork", tree_sitter_gowork::LANGUAGE),
73 ("jsdoc", tree_sitter_jsdoc::LANGUAGE),
74 ("json", tree_sitter_json::LANGUAGE),
75 ("jsonc", tree_sitter_json::LANGUAGE),
76 ("markdown", tree_sitter_md::LANGUAGE),
77 ("markdown-inline", tree_sitter_md::INLINE_LANGUAGE),
78 ("python", tree_sitter_python::LANGUAGE),
79 ("regex", tree_sitter_regex::LANGUAGE),
80 ("rust", tree_sitter_rust::LANGUAGE),
81 ("tsx", tree_sitter_typescript::LANGUAGE_TSX),
82 ("typescript", tree_sitter_typescript::LANGUAGE_TYPESCRIPT),
83 ("yaml", tree_sitter_yaml::LANGUAGE),
84 ("gitcommit", tree_sitter_gitcommit::LANGUAGE),
85 ]);
86
87 let c_lsp_adapter = Arc::new(c::CLspAdapter);
88 let css_lsp_adapter = Arc::new(css::CssLspAdapter::new(node.clone()));
89 let eslint_adapter = Arc::new(eslint::EsLintLspAdapter::new(node.clone()));
90 let go_context_provider = Arc::new(go::GoContextProvider);
91 let go_lsp_adapter = Arc::new(go::GoLspAdapter);
92 let json_context_provider = Arc::new(JsonTaskProvider);
93 let json_lsp_adapter = Arc::new(json::JsonLspAdapter::new(languages.clone(), node.clone()));
94 let node_version_lsp_adapter = Arc::new(json::NodeVersionAdapter);
95 let py_lsp_adapter = Arc::new(python::PyLspAdapter::new());
96 let ty_lsp_adapter = Arc::new(python::TyLspAdapter::new(fs.clone()));
97 let python_context_provider = Arc::new(python::PythonContextProvider);
98 let python_lsp_adapter = Arc::new(python::PyrightLspAdapter::new(node.clone()));
99 let basedpyright_lsp_adapter = Arc::new(BasedPyrightLspAdapter::new(node.clone()));
100 let ruff_lsp_adapter = Arc::new(RuffLspAdapter::new(fs.clone()));
101 let python_toolchain_provider = Arc::new(python::PythonToolchainProvider);
102 let rust_context_provider = Arc::new(rust::RustContextProvider);
103 let rust_lsp_adapter = Arc::new(rust::RustLspAdapter);
104 let tailwind_adapter = Arc::new(tailwind::TailwindLspAdapter::new(node.clone()));
105 let tailwindcss_adapter = Arc::new(tailwindcss::TailwindCssLspAdapter::new(node.clone()));
106 let typescript_context = Arc::new(typescript::TypeScriptContextProvider::new(fs.clone()));
107 let typescript_lsp_adapter = Arc::new(typescript::TypeScriptLspAdapter::new(
108 node.clone(),
109 fs.clone(),
110 ));
111 let vtsls_adapter = Arc::new(vtsls::VtslsLspAdapter::new(node.clone(), fs.clone()));
112 let yaml_lsp_adapter = Arc::new(yaml::YamlLspAdapter::new(node));
113
114 let built_in_languages = [
115 LanguageInfo {
116 name: "bash",
117 context: Some(Arc::new(bash::bash_task_context())),
118 ..Default::default()
119 },
120 LanguageInfo {
121 name: "c",
122 adapters: vec![c_lsp_adapter.clone()],
123 ..Default::default()
124 },
125 LanguageInfo {
126 name: "cpp",
127 adapters: vec![c_lsp_adapter],
128 ..Default::default()
129 },
130 LanguageInfo {
131 name: "css",
132 adapters: vec![css_lsp_adapter],
133 ..Default::default()
134 },
135 LanguageInfo {
136 name: "diff",
137 adapters: vec![],
138 ..Default::default()
139 },
140 LanguageInfo {
141 name: "go",
142 adapters: vec![go_lsp_adapter.clone()],
143 context: Some(go_context_provider.clone()),
144 semantic_token_rules: Some(go::semantic_token_rules()),
145 ..Default::default()
146 },
147 LanguageInfo {
148 name: "gomod",
149 adapters: vec![go_lsp_adapter.clone()],
150 context: Some(go_context_provider.clone()),
151 ..Default::default()
152 },
153 LanguageInfo {
154 name: "gowork",
155 adapters: vec![go_lsp_adapter],
156 context: Some(go_context_provider),
157 ..Default::default()
158 },
159 LanguageInfo {
160 name: "json",
161 adapters: vec![json_lsp_adapter.clone(), node_version_lsp_adapter],
162 context: Some(json_context_provider.clone()),
163 ..Default::default()
164 },
165 LanguageInfo {
166 name: "jsonc",
167 adapters: vec![json_lsp_adapter],
168 context: Some(json_context_provider),
169 ..Default::default()
170 },
171 LanguageInfo {
172 name: "markdown",
173 adapters: vec![],
174 ..Default::default()
175 },
176 LanguageInfo {
177 name: "markdown-inline",
178 adapters: vec![],
179 ..Default::default()
180 },
181 LanguageInfo {
182 name: "python",
183 adapters: vec![
184 basedpyright_lsp_adapter,
185 ruff_lsp_adapter,
186 ty_lsp_adapter,
187 py_lsp_adapter,
188 python_lsp_adapter,
189 ],
190 context: Some(python_context_provider),
191 toolchain: Some(python_toolchain_provider),
192 manifest_name: Some(SharedString::new_static("pyproject.toml").into()),
193 ..Default::default()
194 },
195 LanguageInfo {
196 name: "rust",
197 adapters: vec![rust_lsp_adapter],
198 context: Some(rust_context_provider),
199 manifest_name: Some(SharedString::new_static("Cargo.toml").into()),
200 semantic_token_rules: Some(rust::semantic_token_rules()),
201 ..Default::default()
202 },
203 LanguageInfo {
204 name: "tsx",
205 adapters: vec![typescript_lsp_adapter.clone(), vtsls_adapter.clone()],
206 context: Some(typescript_context.clone()),
207 ..Default::default()
208 },
209 LanguageInfo {
210 name: "typescript",
211 adapters: vec![typescript_lsp_adapter.clone(), vtsls_adapter.clone()],
212 context: Some(typescript_context.clone()),
213 ..Default::default()
214 },
215 LanguageInfo {
216 name: "javascript",
217 adapters: vec![typescript_lsp_adapter.clone(), vtsls_adapter.clone()],
218 context: Some(typescript_context),
219 ..Default::default()
220 },
221 LanguageInfo {
222 name: "jsdoc",
223 adapters: vec![typescript_lsp_adapter.clone(), vtsls_adapter.clone()],
224 ..Default::default()
225 },
226 LanguageInfo {
227 name: "regex",
228 adapters: vec![],
229 ..Default::default()
230 },
231 LanguageInfo {
232 name: "yaml",
233 adapters: vec![yaml_lsp_adapter],
234 ..Default::default()
235 },
236 LanguageInfo {
237 name: "gitcommit",
238 ..Default::default()
239 },
240 LanguageInfo {
241 name: "zed-keybind-context",
242 ..Default::default()
243 },
244 ];
245
246 for registration in built_in_languages {
247 register_language(
248 &languages,
249 registration.name,
250 registration.adapters,
251 registration.context,
252 registration.toolchain,
253 registration.manifest_name,
254 registration.semantic_token_rules,
255 cx,
256 );
257 }
258
259 // Register globally available language servers.
260 //
261 // This will allow users to add support for a built-in language server (e.g., Tailwind)
262 // for a given language via the `language_servers` setting:
263 //
264 // ```json
265 // {
266 // "languages": {
267 // "My Language": {
268 // "language_servers": ["tailwindcss-language-server", "..."]
269 // }
270 // }
271 // }
272 // ```
273 languages.register_available_lsp_adapter(
274 LanguageServerName("tailwindcss-language-server".into()),
275 tailwind_adapter.clone(),
276 );
277 languages.register_available_lsp_adapter(
278 LanguageServerName("tailwindcss-intellisense-css".into()),
279 tailwindcss_adapter,
280 );
281 languages.register_available_lsp_adapter(
282 LanguageServerName("eslint".into()),
283 eslint_adapter.clone(),
284 );
285 languages.register_available_lsp_adapter(LanguageServerName("vtsls".into()), vtsls_adapter);
286 languages.register_available_lsp_adapter(
287 LanguageServerName("typescript-language-server".into()),
288 typescript_lsp_adapter,
289 );
290
291 // Register Tailwind for the existing languages that should have it by default.
292 //
293 // This can be driven by the `language_servers` setting once we have a way for
294 // extensions to provide their own default value for that setting.
295 let tailwind_languages = [
296 "Astro",
297 "CSS",
298 "ERB",
299 "HTML+ERB",
300 "HEEX",
301 "HTML",
302 "JavaScript",
303 "TypeScript",
304 "PHP",
305 "Svelte",
306 "TSX",
307 "Vue.js",
308 ];
309
310 for language in tailwind_languages {
311 languages.register_lsp_adapter(language.into(), tailwind_adapter.clone());
312 }
313
314 let eslint_languages = ["TSX", "TypeScript", "JavaScript", "Vue.js", "Svelte"];
315 for language in eslint_languages {
316 languages.register_lsp_adapter(language.into(), eslint_adapter.clone());
317 }
318
319 let mut subscription = languages.subscribe();
320 let mut prev_language_settings = languages.language_settings();
321
322 cx.spawn(async move |cx| {
323 while subscription.next().await.is_some() {
324 let language_settings = languages.language_settings();
325 if language_settings != prev_language_settings {
326 cx.update(|cx| {
327 SettingsStore::update_global(cx, |settings, cx| {
328 settings
329 .set_extension_settings(
330 settings::ExtensionsSettingsContent {
331 all_languages: language_settings.clone(),
332 },
333 cx,
334 )
335 .log_err();
336 });
337 });
338 prev_language_settings = language_settings;
339 }
340 }
341 anyhow::Ok(())
342 })
343 .detach();
344 let manifest_providers: [Arc<dyn ManifestProvider>; 2] = [
345 Arc::from(CargoManifestProvider),
346 Arc::from(PyprojectTomlManifestProvider),
347 ];
348 for provider in manifest_providers {
349 project::ManifestProvidersStore::global(cx).register(provider);
350 }
351}
352
353#[derive(Default)]
354struct LanguageInfo {
355 name: &'static str,
356 adapters: Vec<Arc<dyn LspAdapter>>,
357 context: Option<Arc<dyn ContextProvider>>,
358 toolchain: Option<Arc<dyn ToolchainLister>>,
359 manifest_name: Option<ManifestName>,
360 semantic_token_rules: Option<SemanticTokenRules>,
361}
362
363fn register_language(
364 languages: &LanguageRegistry,
365 name: &'static str,
366 adapters: Vec<Arc<dyn LspAdapter>>,
367 context: Option<Arc<dyn ContextProvider>>,
368 toolchain: Option<Arc<dyn ToolchainLister>>,
369 manifest_name: Option<ManifestName>,
370 semantic_token_rules: Option<SemanticTokenRules>,
371 cx: &mut App,
372) {
373 let config = load_config(name);
374 if let Some(rules) = &semantic_token_rules {
375 SettingsStore::update_global(cx, |store, cx| {
376 store.set_language_semantic_token_rules(config.name.0.clone(), rules.clone(), cx);
377 });
378 }
379 for adapter in adapters {
380 languages.register_lsp_adapter(config.name.clone(), adapter);
381 }
382 languages.register_language(
383 config.name.clone(),
384 config.grammar.clone(),
385 config.matcher.clone(),
386 config.hidden,
387 manifest_name.clone(),
388 Arc::new(move || {
389 Ok(LoadedLanguage {
390 config: config.clone(),
391 queries: load_queries(name),
392 context_provider: context.clone(),
393 toolchain_provider: toolchain.clone(),
394 manifest_name: manifest_name.clone(),
395 })
396 }),
397 );
398}
399
400#[cfg(any(test, feature = "test-support"))]
401pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
402 Arc::new(
403 Language::new(load_config(name), Some(grammar))
404 .with_queries(load_queries(name))
405 .unwrap(),
406 )
407}
408
409fn load_config(name: &str) -> LanguageConfig {
410 let config_toml = String::from_utf8(
411 LanguageDir::get(&format!("{}/config.toml", name))
412 .unwrap_or_else(|| panic!("missing config for language {:?}", name))
413 .data
414 .to_vec(),
415 )
416 .unwrap();
417
418 #[allow(unused_mut)]
419 let mut config: LanguageConfig = ::toml::from_str(&config_toml)
420 .with_context(|| format!("failed to load config.toml for language {name:?}"))
421 .unwrap();
422
423 #[cfg(not(any(feature = "load-grammars", test)))]
424 {
425 config = LanguageConfig {
426 name: config.name,
427 matcher: config.matcher,
428 jsx_tag_auto_close: config.jsx_tag_auto_close,
429 ..Default::default()
430 }
431 }
432
433 config
434}
435
436fn load_queries(name: &str) -> LanguageQueries {
437 let mut result = LanguageQueries::default();
438 for path in LanguageDir::iter() {
439 if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
440 if !remainder.ends_with(".scm") {
441 continue;
442 }
443 for (name, query) in QUERY_FILENAME_PREFIXES {
444 if remainder.starts_with(name) {
445 let contents = asset_str::<LanguageDir>(path.as_ref());
446 match query(&mut result) {
447 None => *query(&mut result) = Some(contents),
448 Some(r) => r.to_mut().push_str(contents.as_ref()),
449 }
450 }
451 }
452 }
453 }
454 result
455}