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 nu;
26mod python;
27mod ruby;
28mod rust;
29mod tailwind;
30mod typescript;
31mod yaml;
32
33// 1. Add tree-sitter-{language} parser to zed crate
34// 2. Create a language directory in zed/crates/zed/src/languages and add the language to init function below
35// 3. Add config.toml to the newly created language directory using existing languages as a template
36// 4. Copy highlights from tree sitter repo for the language into a highlights.scm file.
37// Note: github highlights take the last match while zed takes the first
38// 5. Add indents.scm, outline.scm, and brackets.scm to implement indent on newline, outline/breadcrumbs,
39// and autoclosing brackets respectively
40// 6. If the language has injections add an injections.scm query file
41
42#[derive(RustEmbed)]
43#[folder = "src/"]
44#[exclude = "*.rs"]
45struct LanguageDir;
46
47pub fn init(
48 languages: Arc<LanguageRegistry>,
49 node_runtime: Arc<dyn NodeRuntime>,
50 cx: &mut AppContext,
51) {
52 ElixirSettings::register(cx);
53 DenoSettings::register(cx);
54
55 languages.register_native_grammars([
56 ("bash", tree_sitter_bash::language()),
57 ("c", tree_sitter_c::language()),
58 ("cpp", tree_sitter_cpp::language()),
59 ("css", tree_sitter_css::language()),
60 ("elixir", tree_sitter_elixir::language()),
61 (
62 "embedded_template",
63 tree_sitter_embedded_template::language(),
64 ),
65 ("go", tree_sitter_go::language()),
66 ("gomod", tree_sitter_gomod::language()),
67 ("gowork", tree_sitter_gowork::language()),
68 ("heex", tree_sitter_heex::language()),
69 ("jsdoc", tree_sitter_jsdoc::language()),
70 ("json", tree_sitter_json::language()),
71 ("markdown", tree_sitter_markdown::language()),
72 ("nu", tree_sitter_nu::language()),
73 ("proto", tree_sitter_proto::language()),
74 ("python", tree_sitter_python::language()),
75 ("regex", tree_sitter_regex::language()),
76 ("ruby", tree_sitter_ruby::language()),
77 ("rust", tree_sitter_rust::language()),
78 ("tsx", tree_sitter_typescript::language_tsx()),
79 ("typescript", tree_sitter_typescript::language_typescript()),
80 ("yaml", tree_sitter_yaml::language()),
81 ]);
82
83 macro_rules! language {
84 ($name:literal) => {
85 let config = load_config($name);
86 languages.register_language(
87 config.name.clone(),
88 config.grammar.clone(),
89 config.matcher.clone(),
90 move || {
91 Ok((
92 config.clone(),
93 load_queries($name),
94 Some(Arc::new(language::BasicContextProvider)),
95 ))
96 },
97 );
98 };
99 ($name:literal, $adapters:expr) => {
100 let config = load_config($name);
101 // typeck helper
102 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
103 for adapter in adapters {
104 languages.register_lsp_adapter(config.name.clone(), adapter);
105 }
106 languages.register_language(
107 config.name.clone(),
108 config.grammar.clone(),
109 config.matcher.clone(),
110 move || {
111 Ok((
112 config.clone(),
113 load_queries($name),
114 Some(Arc::new(language::BasicContextProvider)),
115 ))
116 },
117 );
118 };
119 ($name:literal, $adapters:expr, $context_provider:expr) => {
120 let config = load_config($name);
121 // typeck helper
122 let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
123 for adapter in adapters {
124 languages.register_lsp_adapter(config.name.clone(), adapter);
125 }
126 languages.register_language(
127 config.name.clone(),
128 config.grammar.clone(),
129 config.matcher.clone(),
130 move || {
131 Ok((
132 config.clone(),
133 load_queries($name),
134 Some(Arc::new($context_provider)),
135 ))
136 },
137 );
138 };
139 }
140 language!("bash", Vec::new(), bash_task_context());
141 language!("c", vec![Arc::new(c::CLspAdapter) as Arc<dyn LspAdapter>]);
142 language!("cpp", vec![Arc::new(c::CLspAdapter)]);
143 language!(
144 "css",
145 vec![
146 Arc::new(css::CssLspAdapter::new(node_runtime.clone())),
147 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
148 ]
149 );
150
151 match &ElixirSettings::get(None, cx).lsp {
152 elixir::ElixirLspSetting::ElixirLs => {
153 language!(
154 "elixir",
155 vec![
156 Arc::new(elixir::ElixirLspAdapter),
157 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
158 ],
159 elixir_task_context()
160 );
161 }
162 elixir::ElixirLspSetting::NextLs => {
163 language!(
164 "elixir",
165 vec![Arc::new(elixir::NextLspAdapter)],
166 elixir_task_context()
167 );
168 }
169 elixir::ElixirLspSetting::Local { path, arguments } => {
170 language!(
171 "elixir",
172 vec![Arc::new(elixir::LocalLspAdapter {
173 path: path.clone(),
174 arguments: arguments.clone(),
175 })],
176 elixir_task_context()
177 );
178 }
179 }
180 language!("go", vec![Arc::new(go::GoLspAdapter)]);
181 language!("gomod");
182 language!("gowork");
183 language!(
184 "heex",
185 vec![
186 Arc::new(elixir::ElixirLspAdapter),
187 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
188 ]
189 );
190 language!(
191 "json",
192 vec![Arc::new(json::JsonLspAdapter::new(
193 node_runtime.clone(),
194 languages.clone(),
195 ))]
196 );
197 language!("markdown");
198 language!(
199 "python",
200 vec![Arc::new(python::PythonLspAdapter::new(
201 node_runtime.clone(),
202 ))],
203 python_task_context()
204 );
205 language!(
206 "rust",
207 vec![Arc::new(rust::RustLspAdapter)],
208 RustContextProvider
209 );
210 match &DenoSettings::get(None, cx).enable {
211 true => {
212 language!(
213 "tsx",
214 vec![
215 Arc::new(deno::DenoLspAdapter::new()),
216 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
217 ]
218 );
219 language!("typescript", vec![Arc::new(deno::DenoLspAdapter::new())]);
220 language!(
221 "javascript",
222 vec![
223 Arc::new(deno::DenoLspAdapter::new()),
224 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
225 ]
226 );
227 language!("jsdoc", vec![Arc::new(deno::DenoLspAdapter::new())]);
228 }
229 false => {
230 language!(
231 "tsx",
232 vec![
233 Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
234 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
235 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
236 ]
237 );
238 language!(
239 "typescript",
240 vec![
241 Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
242 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
243 ]
244 );
245 language!(
246 "javascript",
247 vec![
248 Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
249 Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
250 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
251 ]
252 );
253 language!(
254 "jsdoc",
255 vec![Arc::new(typescript::TypeScriptLspAdapter::new(
256 node_runtime.clone(),
257 ))]
258 );
259 }
260 }
261
262 language!("ruby", vec![Arc::new(ruby::RubyLanguageServer)]);
263 language!(
264 "erb",
265 vec![
266 Arc::new(ruby::RubyLanguageServer),
267 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
268 ]
269 );
270 language!("regex");
271 language!(
272 "yaml",
273 vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
274 );
275 language!("nu", vec![Arc::new(nu::NuLanguageServer {})]);
276 language!("proto");
277
278 languages.register_secondary_lsp_adapter(
279 "Astro".into(),
280 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
281 );
282 languages.register_secondary_lsp_adapter(
283 "HTML".into(),
284 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
285 );
286 languages.register_secondary_lsp_adapter(
287 "PHP".into(),
288 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
289 );
290 languages.register_secondary_lsp_adapter(
291 "Svelte".into(),
292 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
293 );
294 languages.register_secondary_lsp_adapter(
295 "Vue.js".into(),
296 Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
297 );
298
299 let mut subscription = languages.subscribe();
300 let mut prev_language_settings = languages.language_settings();
301
302 cx.spawn(|cx| async move {
303 while subscription.next().await.is_some() {
304 let language_settings = languages.language_settings();
305 if language_settings != prev_language_settings {
306 cx.update(|cx| {
307 cx.update_global(|settings: &mut SettingsStore, cx| {
308 settings
309 .set_extension_settings(language_settings.clone(), cx)
310 .log_err();
311 });
312 })?;
313 prev_language_settings = language_settings;
314 }
315 }
316 anyhow::Ok(())
317 })
318 .detach();
319}
320
321#[cfg(any(test, feature = "test-support"))]
322pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
323 Arc::new(
324 Language::new(load_config(name), Some(grammar))
325 .with_queries(load_queries(name))
326 .unwrap(),
327 )
328}
329
330fn load_config(name: &str) -> LanguageConfig {
331 let config_toml = String::from_utf8(
332 LanguageDir::get(&format!("{}/config.toml", name))
333 .unwrap()
334 .data
335 .to_vec(),
336 )
337 .unwrap();
338
339 ::toml::from_str(&config_toml)
340 .with_context(|| format!("failed to load config.toml for language {name:?}"))
341 .unwrap()
342}
343
344fn load_queries(name: &str) -> LanguageQueries {
345 let mut result = LanguageQueries::default();
346 for path in LanguageDir::iter() {
347 if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
348 if !remainder.ends_with(".scm") {
349 continue;
350 }
351 for (name, query) in QUERY_FILENAME_PREFIXES {
352 if remainder.starts_with(name) {
353 let contents = asset_str::<LanguageDir>(path.as_ref());
354 match query(&mut result) {
355 None => *query(&mut result) = Some(contents),
356 Some(r) => r.to_mut().push_str(contents.as_ref()),
357 }
358 }
359 }
360 }
361 }
362 result
363}