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