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 language!(
117 "json",
118 vec![Arc::new(json::JsonLspAdapter::new(
119 node_runtime.clone(),
120 languages.clone(),
121 ))]
122 );
123 language!("markdown");
124 language!(
125 "python",
126 vec![Arc::new(python::PythonLspAdapter::new(
127 node_runtime.clone(),
128 ))],
129 python_task_context()
130 );
131 language!(
132 "rust",
133 vec![Arc::new(rust::RustLspAdapter)],
134 RustContextProvider
135 );
136 language!(
137 "tsx",
138 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
139 node_runtime.clone()
140 ))]
141 );
142 language!(
143 "typescript",
144 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
145 node_runtime.clone()
146 ))]
147 );
148 language!(
149 "javascript",
150 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
151 node_runtime.clone()
152 ))]
153 );
154 language!(
155 "jsdoc",
156 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
157 node_runtime.clone(),
158 ))]
159 );
160 language!("regex");
161 language!(
162 "yaml",
163 vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
164 );
165 language!("proto");
166
167 // Register globally available language servers.
168 //
169 // This will allow users to add support for a built-in language server (e.g., Tailwind)
170 // for a given language via the `language_servers` setting:
171 //
172 // ```json
173 // {
174 // "languages": {
175 // "My Language": {
176 // "language_servers": ["tailwindcss-language-server", "..."]
177 // }
178 // }
179 // }
180 // ```
181 languages.register_available_lsp_adapter(
182 LanguageServerName("tailwindcss-language-server".into()),
183 {
184 let node_runtime = node_runtime.clone();
185 move || Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone()))
186 },
187 );
188 languages.register_available_lsp_adapter(LanguageServerName("eslint".into()), {
189 let node_runtime = node_runtime.clone();
190 move || Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone()))
191 });
192
193 // Register Tailwind for the existing languages that should have it by default.
194 //
195 // This can be driven by the `language_servers` setting once we have a way for
196 // extensions to provide their own default value for that setting.
197 let tailwind_languages = [
198 "Astro",
199 "CSS",
200 "ERB",
201 "HEEX",
202 "HTML",
203 "JavaScript",
204 "PHP",
205 "Svelte",
206 "TSX",
207 "Vue.js",
208 ];
209
210 for language in tailwind_languages {
211 languages.register_secondary_lsp_adapter(
212 language.into(),
213 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
214 );
215 }
216
217 let eslint_languages = ["TSX", "TypeScript", "JavaScript", "Vue.js", "Svelte"];
218 for language in eslint_languages {
219 languages.register_secondary_lsp_adapter(
220 language.into(),
221 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
222 );
223 }
224
225 let mut subscription = languages.subscribe();
226 let mut prev_language_settings = languages.language_settings();
227
228 cx.spawn(|cx| async move {
229 while subscription.next().await.is_some() {
230 let language_settings = languages.language_settings();
231 if language_settings != prev_language_settings {
232 cx.update(|cx| {
233 SettingsStore::update_global(cx, |settings, cx| {
234 settings
235 .set_extension_settings(language_settings.clone(), cx)
236 .log_err();
237 });
238 })?;
239 prev_language_settings = language_settings;
240 }
241 }
242 anyhow::Ok(())
243 })
244 .detach();
245}
246
247#[cfg(any(test, feature = "test-support"))]
248pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
249 Arc::new(
250 Language::new(load_config(name), Some(grammar))
251 .with_queries(load_queries(name))
252 .unwrap(),
253 )
254}
255
256fn load_config(name: &str) -> LanguageConfig {
257 let config_toml = String::from_utf8(
258 LanguageDir::get(&format!("{}/config.toml", name))
259 .unwrap()
260 .data
261 .to_vec(),
262 )
263 .unwrap();
264
265 ::toml::from_str(&config_toml)
266 .with_context(|| format!("failed to load config.toml for language {name:?}"))
267 .unwrap()
268}
269
270fn load_queries(name: &str) -> LanguageQueries {
271 let mut result = LanguageQueries::default();
272 for path in LanguageDir::iter() {
273 if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
274 if !remainder.ends_with(".scm") {
275 continue;
276 }
277 for (name, query) in QUERY_FILENAME_PREFIXES {
278 if remainder.starts_with(name) {
279 let contents = asset_str::<LanguageDir>(path.as_ref());
280 match query(&mut result) {
281 None => *query(&mut result) = Some(contents),
282 Some(r) => r.to_mut().push_str(contents.as_ref()),
283 }
284 }
285 }
286 }
287 }
288 result
289}