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