1use anyhow::Context;
2use gpui::{AppContext, UpdateGlobal};
3use json::json_task_context;
4pub use language::*;
5use node_runtime::NodeRuntime;
6use rust_embed::RustEmbed;
7use settings::SettingsStore;
8use smol::stream::StreamExt;
9use std::{str, sync::Arc};
10use typescript::typescript_task_context;
11use util::{asset_str, ResultExt};
12
13use crate::{
14 bash::bash_task_context, go::GoContextProvider, python::python_task_context,
15 rust::RustContextProvider,
16};
17
18mod bash;
19mod c;
20mod css;
21mod go;
22mod json;
23mod python;
24mod rust;
25mod tailwind;
26mod typescript;
27mod yaml;
28
29#[derive(RustEmbed)]
30#[folder = "src/"]
31#[exclude = "*.rs"]
32struct LanguageDir;
33
34pub fn init(
35 languages: Arc<LanguageRegistry>,
36 node_runtime: Arc<dyn NodeRuntime>,
37 cx: &mut AppContext,
38) {
39 languages.register_native_grammars([
40 ("bash", tree_sitter_bash::language()),
41 ("c", tree_sitter_c::language()),
42 ("cpp", tree_sitter_cpp::language()),
43 ("css", tree_sitter_css::language()),
44 ("go", tree_sitter_go::language()),
45 ("gomod", tree_sitter_gomod::language()),
46 ("gowork", tree_sitter_gowork::language()),
47 ("jsdoc", tree_sitter_jsdoc::language()),
48 ("json", tree_sitter_json::language()),
49 ("markdown", tree_sitter_markdown::language()),
50 ("proto", tree_sitter_proto::language()),
51 ("python", tree_sitter_python::language()),
52 ("regex", tree_sitter_regex::language()),
53 ("rust", tree_sitter_rust::language()),
54 ("tsx", tree_sitter_typescript::language_tsx()),
55 ("typescript", tree_sitter_typescript::language_typescript()),
56 ("yaml", tree_sitter_yaml::language()),
57 ]);
58
59 macro_rules! language {
60 ($name:literal) => {
61 let config = load_config($name);
62 languages.register_language(
63 config.name.clone(),
64 config.grammar.clone(),
65 config.matcher.clone(),
66 move || Ok((config.clone(), load_queries($name), None)),
67 );
68 };
69 ($name:literal, $adapters:expr) => {
70 let config = load_config($name);
71 // typeck helper
72 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
73 for adapter in adapters {
74 languages.register_lsp_adapter(config.name.clone(), adapter);
75 }
76 languages.register_language(
77 config.name.clone(),
78 config.grammar.clone(),
79 config.matcher.clone(),
80 move || Ok((config.clone(), load_queries($name), None)),
81 );
82 };
83 ($name:literal, $adapters:expr, $context_provider:expr) => {
84 let config = load_config($name);
85 // typeck helper
86 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
87 for adapter in adapters {
88 languages.register_lsp_adapter(config.name.clone(), adapter);
89 }
90 languages.register_language(
91 config.name.clone(),
92 config.grammar.clone(),
93 config.matcher.clone(),
94 move || {
95 Ok((
96 config.clone(),
97 load_queries($name),
98 Some(Arc::new($context_provider)),
99 ))
100 },
101 );
102 };
103 }
104 language!("bash", Vec::new(), bash_task_context());
105 language!("c", vec![Arc::new(c::CLspAdapter) as Arc<dyn LspAdapter>]);
106 language!("cpp", vec![Arc::new(c::CLspAdapter)]);
107 language!(
108 "css",
109 vec![Arc::new(css::CssLspAdapter::new(node_runtime.clone())),]
110 );
111 language!("go", vec![Arc::new(go::GoLspAdapter)], GoContextProvider);
112 language!("gomod", vec![Arc::new(go::GoLspAdapter)], GoContextProvider);
113 language!(
114 "gowork",
115 vec![Arc::new(go::GoLspAdapter)],
116 GoContextProvider
117 );
118
119 language!(
120 "json",
121 vec![Arc::new(json::JsonLspAdapter::new(
122 node_runtime.clone(),
123 languages.clone(),
124 ))],
125 json_task_context()
126 );
127 language!("markdown");
128 language!(
129 "python",
130 vec![Arc::new(python::PythonLspAdapter::new(
131 node_runtime.clone(),
132 ))],
133 python_task_context()
134 );
135 language!(
136 "rust",
137 vec![Arc::new(rust::RustLspAdapter)],
138 RustContextProvider
139 );
140 language!(
141 "tsx",
142 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
143 node_runtime.clone()
144 ))]
145 );
146 language!(
147 "typescript",
148 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
149 node_runtime.clone()
150 ))],
151 typescript_task_context()
152 );
153 language!(
154 "javascript",
155 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
156 node_runtime.clone()
157 ))],
158 typescript_task_context()
159 );
160 language!(
161 "jsdoc",
162 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
163 node_runtime.clone(),
164 ))]
165 );
166 language!("regex");
167 language!(
168 "yaml",
169 vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
170 );
171 language!("proto");
172
173 // Register globally available language servers.
174 //
175 // This will allow users to add support for a built-in language server (e.g., Tailwind)
176 // for a given language via the `language_servers` setting:
177 //
178 // ```json
179 // {
180 // "languages": {
181 // "My Language": {
182 // "language_servers": ["tailwindcss-language-server", "..."]
183 // }
184 // }
185 // }
186 // ```
187 languages.register_available_lsp_adapter(
188 LanguageServerName("tailwindcss-language-server".into()),
189 {
190 let node_runtime = node_runtime.clone();
191 move || Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone()))
192 },
193 );
194 languages.register_available_lsp_adapter(LanguageServerName("eslint".into()), {
195 let node_runtime = node_runtime.clone();
196 move || Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone()))
197 });
198
199 // Register Tailwind for the existing languages that should have it by default.
200 //
201 // This can be driven by the `language_servers` setting once we have a way for
202 // extensions to provide their own default value for that setting.
203 let tailwind_languages = [
204 "Astro",
205 "CSS",
206 "ERB",
207 "HEEX",
208 "HTML",
209 "JavaScript",
210 "PHP",
211 "Svelte",
212 "TSX",
213 "Vue.js",
214 ];
215
216 for language in tailwind_languages {
217 languages.register_secondary_lsp_adapter(
218 language.into(),
219 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
220 );
221 }
222
223 let eslint_languages = ["TSX", "TypeScript", "JavaScript", "Vue.js", "Svelte"];
224 for language in eslint_languages {
225 languages.register_secondary_lsp_adapter(
226 language.into(),
227 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
228 );
229 }
230
231 let mut subscription = languages.subscribe();
232 let mut prev_language_settings = languages.language_settings();
233
234 cx.spawn(|cx| async move {
235 while subscription.next().await.is_some() {
236 let language_settings = languages.language_settings();
237 if language_settings != prev_language_settings {
238 cx.update(|cx| {
239 SettingsStore::update_global(cx, |settings, cx| {
240 settings
241 .set_extension_settings(language_settings.clone(), cx)
242 .log_err();
243 });
244 })?;
245 prev_language_settings = language_settings;
246 }
247 }
248 anyhow::Ok(())
249 })
250 .detach();
251}
252
253#[cfg(any(test, feature = "test-support"))]
254pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
255 Arc::new(
256 Language::new(load_config(name), Some(grammar))
257 .with_queries(load_queries(name))
258 .unwrap(),
259 )
260}
261
262fn load_config(name: &str) -> LanguageConfig {
263 let config_toml = String::from_utf8(
264 LanguageDir::get(&format!("{}/config.toml", name))
265 .unwrap()
266 .data
267 .to_vec(),
268 )
269 .unwrap();
270
271 ::toml::from_str(&config_toml)
272 .with_context(|| format!("failed to load config.toml for language {name:?}"))
273 .unwrap()
274}
275
276fn load_queries(name: &str) -> LanguageQueries {
277 let mut result = LanguageQueries::default();
278 for path in LanguageDir::iter() {
279 if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
280 if !remainder.ends_with(".scm") {
281 continue;
282 }
283 for (name, query) in QUERY_FILENAME_PREFIXES {
284 if remainder.starts_with(name) {
285 let contents = asset_str::<LanguageDir>(path.as_ref());
286 match query(&mut result) {
287 None => *query(&mut result) = Some(contents),
288 Some(r) => r.to_mut().push_str(contents.as_ref()),
289 }
290 }
291 }
292 }
293 }
294 result
295}