1use anyhow::Context;
2use gpui::{AppContext, BorrowAppContext};
3pub use language::*;
4use node_runtime::NodeRuntime;
5use rust_embed::RustEmbed;
6use settings::{Settings, SettingsStore};
7use smol::stream::StreamExt;
8use std::{str, sync::Arc};
9use util::{asset_str, ResultExt};
10
11use crate::{
12 bash::bash_task_context, elixir::elixir_task_context, python::python_task_context,
13 rust::RustContextProvider,
14};
15
16use self::{deno::DenoSettings, elixir::ElixirSettings};
17
18mod bash;
19mod c;
20mod css;
21mod deno;
22mod elixir;
23mod go;
24mod json;
25mod python;
26mod ruby;
27mod rust;
28mod tailwind;
29mod typescript;
30mod yaml;
31
32// 1. Add tree-sitter-{language} parser to zed crate
33// 2. Create a language directory in zed/crates/zed/src/languages and add the language to init function below
34// 3. Add config.toml to the newly created language directory using existing languages as a template
35// 4. Copy highlights from tree sitter repo for the language into a highlights.scm file.
36// Note: github highlights take the last match while zed takes the first
37// 5. Add indents.scm, outline.scm, and brackets.scm to implement indent on newline, outline/breadcrumbs,
38// and autoclosing brackets respectively
39// 6. If the language has injections add an injections.scm query file
40
41#[derive(RustEmbed)]
42#[folder = "src/"]
43#[exclude = "*.rs"]
44struct LanguageDir;
45
46pub fn init(
47 languages: Arc<LanguageRegistry>,
48 node_runtime: Arc<dyn NodeRuntime>,
49 cx: &mut AppContext,
50) {
51 ElixirSettings::register(cx);
52 DenoSettings::register(cx);
53
54 languages.register_native_grammars([
55 ("bash", tree_sitter_bash::language()),
56 ("c", tree_sitter_c::language()),
57 ("cpp", tree_sitter_cpp::language()),
58 ("css", tree_sitter_css::language()),
59 ("elixir", tree_sitter_elixir::language()),
60 (
61 "embedded_template",
62 tree_sitter_embedded_template::language(),
63 ),
64 ("go", tree_sitter_go::language()),
65 ("gomod", tree_sitter_gomod::language()),
66 ("gowork", tree_sitter_gowork::language()),
67 ("heex", tree_sitter_heex::language()),
68 ("jsdoc", tree_sitter_jsdoc::language()),
69 ("json", tree_sitter_json::language()),
70 ("markdown", tree_sitter_markdown::language()),
71 ("proto", tree_sitter_proto::language()),
72 ("python", tree_sitter_python::language()),
73 ("regex", tree_sitter_regex::language()),
74 ("ruby", tree_sitter_ruby::language()),
75 ("rust", tree_sitter_rust::language()),
76 ("tsx", tree_sitter_typescript::language_tsx()),
77 ("typescript", tree_sitter_typescript::language_typescript()),
78 ("yaml", tree_sitter_yaml::language()),
79 ]);
80
81 macro_rules! language {
82 ($name:literal) => {
83 let config = load_config($name);
84 languages.register_language(
85 config.name.clone(),
86 config.grammar.clone(),
87 config.matcher.clone(),
88 move || {
89 Ok((
90 config.clone(),
91 load_queries($name),
92 Some(Arc::new(language::BasicContextProvider)),
93 ))
94 },
95 );
96 };
97 ($name:literal, $adapters:expr) => {
98 let config = load_config($name);
99 // typeck helper
100 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
101 for adapter in adapters {
102 languages.register_lsp_adapter(config.name.clone(), adapter);
103 }
104 languages.register_language(
105 config.name.clone(),
106 config.grammar.clone(),
107 config.matcher.clone(),
108 move || {
109 Ok((
110 config.clone(),
111 load_queries($name),
112 Some(Arc::new(language::BasicContextProvider)),
113 ))
114 },
115 );
116 };
117 ($name:literal, $adapters:expr, $context_provider:expr) => {
118 let config = load_config($name);
119 // typeck helper
120 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
121 for adapter in adapters {
122 languages.register_lsp_adapter(config.name.clone(), adapter);
123 }
124 languages.register_language(
125 config.name.clone(),
126 config.grammar.clone(),
127 config.matcher.clone(),
128 move || {
129 Ok((
130 config.clone(),
131 load_queries($name),
132 Some(Arc::new($context_provider)),
133 ))
134 },
135 );
136 };
137 }
138 language!("bash", Vec::new(), bash_task_context());
139 language!("c", vec![Arc::new(c::CLspAdapter) as Arc<dyn LspAdapter>]);
140 language!("cpp", vec![Arc::new(c::CLspAdapter)]);
141 language!(
142 "css",
143 vec![
144 Arc::new(css::CssLspAdapter::new(node_runtime.clone())),
145 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
146 ]
147 );
148
149 match &ElixirSettings::get(None, cx).lsp {
150 elixir::ElixirLspSetting::ElixirLs => {
151 language!(
152 "elixir",
153 vec![
154 Arc::new(elixir::ElixirLspAdapter),
155 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
156 ],
157 elixir_task_context()
158 );
159 }
160 elixir::ElixirLspSetting::NextLs => {
161 language!(
162 "elixir",
163 vec![Arc::new(elixir::NextLspAdapter)],
164 elixir_task_context()
165 );
166 }
167 elixir::ElixirLspSetting::Local { path, arguments } => {
168 language!(
169 "elixir",
170 vec![Arc::new(elixir::LocalLspAdapter {
171 path: path.clone(),
172 arguments: arguments.clone(),
173 })],
174 elixir_task_context()
175 );
176 }
177 }
178 language!("go", vec![Arc::new(go::GoLspAdapter)]);
179 language!("gomod");
180 language!("gowork");
181 language!(
182 "heex",
183 vec![
184 Arc::new(elixir::ElixirLspAdapter),
185 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
186 ]
187 );
188 language!(
189 "json",
190 vec![Arc::new(json::JsonLspAdapter::new(
191 node_runtime.clone(),
192 languages.clone(),
193 ))]
194 );
195 language!("markdown");
196 language!(
197 "python",
198 vec![Arc::new(python::PythonLspAdapter::new(
199 node_runtime.clone(),
200 ))],
201 python_task_context()
202 );
203 language!(
204 "rust",
205 vec![Arc::new(rust::RustLspAdapter)],
206 RustContextProvider
207 );
208 match &DenoSettings::get(None, cx).enable {
209 true => {
210 language!(
211 "tsx",
212 vec![
213 Arc::new(deno::DenoLspAdapter::new()),
214 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
215 ]
216 );
217 language!("typescript", vec![Arc::new(deno::DenoLspAdapter::new())]);
218 language!(
219 "javascript",
220 vec![
221 Arc::new(deno::DenoLspAdapter::new()),
222 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
223 ]
224 );
225 language!("jsdoc", vec![Arc::new(deno::DenoLspAdapter::new())]);
226 }
227 false => {
228 language!(
229 "tsx",
230 vec![
231 Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
232 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
233 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
234 ]
235 );
236 language!(
237 "typescript",
238 vec![
239 Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
240 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
241 ]
242 );
243 language!(
244 "javascript",
245 vec![
246 Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
247 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
248 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
249 ]
250 );
251 language!(
252 "jsdoc",
253 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
254 node_runtime.clone(),
255 ))]
256 );
257 }
258 }
259
260 language!("ruby", vec![Arc::new(ruby::RubyLanguageServer)]);
261 language!(
262 "erb",
263 vec![
264 Arc::new(ruby::RubyLanguageServer),
265 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
266 ]
267 );
268 language!("regex");
269 language!(
270 "yaml",
271 vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
272 );
273 language!("proto");
274
275 languages.register_secondary_lsp_adapter(
276 "Astro".into(),
277 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
278 );
279 languages.register_secondary_lsp_adapter(
280 "HTML".into(),
281 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
282 );
283 languages.register_secondary_lsp_adapter(
284 "PHP".into(),
285 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
286 );
287 languages.register_secondary_lsp_adapter(
288 "Svelte".into(),
289 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
290 );
291 languages.register_secondary_lsp_adapter(
292 "Vue.js".into(),
293 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
294 );
295
296 let mut subscription = languages.subscribe();
297 let mut prev_language_settings = languages.language_settings();
298
299 cx.spawn(|cx| async move {
300 while subscription.next().await.is_some() {
301 let language_settings = languages.language_settings();
302 if language_settings != prev_language_settings {
303 cx.update(|cx| {
304 cx.update_global(|settings: &mut SettingsStore, cx| {
305 settings
306 .set_extension_settings(language_settings.clone(), cx)
307 .log_err();
308 });
309 })?;
310 prev_language_settings = language_settings;
311 }
312 }
313 anyhow::Ok(())
314 })
315 .detach();
316}
317
318#[cfg(any(test, feature = "test-support"))]
319pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
320 Arc::new(
321 Language::new(load_config(name), Some(grammar))
322 .with_queries(load_queries(name))
323 .unwrap(),
324 )
325}
326
327fn load_config(name: &str) -> LanguageConfig {
328 let config_toml = String::from_utf8(
329 LanguageDir::get(&format!("{}/config.toml", name))
330 .unwrap()
331 .data
332 .to_vec(),
333 )
334 .unwrap();
335
336 ::toml::from_str(&config_toml)
337 .with_context(|| format!("failed to load config.toml for language {name:?}"))
338 .unwrap()
339}
340
341fn load_queries(name: &str) -> LanguageQueries {
342 let mut result = LanguageQueries::default();
343 for path in LanguageDir::iter() {
344 if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
345 if !remainder.ends_with(".scm") {
346 continue;
347 }
348 for (name, query) in QUERY_FILENAME_PREFIXES {
349 if remainder.starts_with(name) {
350 let contents = asset_str::<LanguageDir>(path.as_ref());
351 match query(&mut result) {
352 None => *query(&mut result) = Some(contents),
353 Some(r) => r.to_mut().push_str(contents.as_ref()),
354 }
355 }
356 }
357 }
358 }
359 result
360}