lib.rs

  1use anyhow::Context;
  2use gpui::{AppContext, UpdateGlobal};
  3use json::json_task_context;
  4pub use language::*;
  5use node_runtime::NodeRuntime;
  6use python::PythonContextProvider;
  7use rust_embed::RustEmbed;
  8use settings::SettingsStore;
  9use smol::stream::StreamExt;
 10use std::{str, sync::Arc};
 11use typescript::typescript_task_context;
 12use util::{asset_str, ResultExt};
 13
 14use crate::{bash::bash_task_context, go::GoContextProvider, rust::RustContextProvider};
 15
 16mod bash;
 17mod c;
 18mod css;
 19mod go;
 20mod json;
 21mod python;
 22mod rust;
 23mod tailwind;
 24mod typescript;
 25mod vtsls;
 26mod yaml;
 27
 28#[derive(RustEmbed)]
 29#[folder = "src/"]
 30#[exclude = "*.rs"]
 31struct LanguageDir;
 32
 33pub fn init(
 34    languages: Arc<LanguageRegistry>,
 35    node_runtime: Arc<dyn NodeRuntime>,
 36    cx: &mut AppContext,
 37) {
 38    languages.register_native_grammars([
 39        ("bash", tree_sitter_bash::language()),
 40        ("c", tree_sitter_c::language()),
 41        ("cpp", tree_sitter_cpp::language()),
 42        ("css", tree_sitter_css::language()),
 43        ("go", tree_sitter_go::language()),
 44        ("gomod", tree_sitter_gomod::language()),
 45        ("gowork", tree_sitter_gowork::language()),
 46        ("jsdoc", tree_sitter_jsdoc::language()),
 47        ("json", tree_sitter_json::language()),
 48        ("markdown", tree_sitter_markdown::language()),
 49        ("proto", tree_sitter_proto::language()),
 50        ("python", tree_sitter_python::language()),
 51        ("regex", tree_sitter_regex::language()),
 52        ("rust", tree_sitter_rust::language()),
 53        ("tsx", tree_sitter_typescript::language_tsx()),
 54        ("typescript", tree_sitter_typescript::language_typescript()),
 55        ("yaml", tree_sitter_yaml::language()),
 56    ]);
 57
 58    macro_rules! language {
 59        ($name:literal) => {
 60            let config = load_config($name);
 61            languages.register_language(
 62                config.name.clone(),
 63                config.grammar.clone(),
 64                config.matcher.clone(),
 65                move || Ok((config.clone(), load_queries($name), None)),
 66            );
 67        };
 68        ($name:literal, $adapters:expr) => {
 69            let config = load_config($name);
 70            // typeck helper
 71            let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
 72            for adapter in adapters {
 73                languages.register_lsp_adapter(config.name.clone(), adapter);
 74            }
 75            languages.register_language(
 76                config.name.clone(),
 77                config.grammar.clone(),
 78                config.matcher.clone(),
 79                move || Ok((config.clone(), load_queries($name), None)),
 80            );
 81        };
 82        ($name:literal, $adapters:expr, $context_provider:expr) => {
 83            let config = load_config($name);
 84            // typeck helper
 85            let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
 86            for adapter in adapters {
 87                languages.register_lsp_adapter(config.name.clone(), adapter);
 88            }
 89            languages.register_language(
 90                config.name.clone(),
 91                config.grammar.clone(),
 92                config.matcher.clone(),
 93                move || {
 94                    Ok((
 95                        config.clone(),
 96                        load_queries($name),
 97                        Some(Arc::new($context_provider)),
 98                    ))
 99                },
100            );
101        };
102    }
103    language!("bash", Vec::new(), bash_task_context());
104    language!("c", vec![Arc::new(c::CLspAdapter) as Arc<dyn LspAdapter>]);
105    language!("cpp", vec![Arc::new(c::CLspAdapter)]);
106    language!(
107        "css",
108        vec![Arc::new(css::CssLspAdapter::new(node_runtime.clone())),]
109    );
110    language!("go", vec![Arc::new(go::GoLspAdapter)], GoContextProvider);
111    language!("gomod", vec![Arc::new(go::GoLspAdapter)], GoContextProvider);
112    language!(
113        "gowork",
114        vec![Arc::new(go::GoLspAdapter)],
115        GoContextProvider
116    );
117
118    language!(
119        "json",
120        vec![Arc::new(json::JsonLspAdapter::new(
121            node_runtime.clone(),
122            languages.clone(),
123        ))],
124        json_task_context()
125    );
126    language!("markdown");
127    language!(
128        "python",
129        vec![Arc::new(python::PythonLspAdapter::new(
130            node_runtime.clone(),
131        ))],
132        PythonContextProvider
133    );
134    language!(
135        "rust",
136        vec![Arc::new(rust::RustLspAdapter)],
137        RustContextProvider
138    );
139    language!(
140        "tsx",
141        vec![
142            Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
143            Arc::new(vtsls::VtslsLspAdapter::new(node_runtime.clone()))
144        ]
145    );
146    language!(
147        "typescript",
148        vec![
149            Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
150            Arc::new(vtsls::VtslsLspAdapter::new(node_runtime.clone()))
151        ],
152        typescript_task_context()
153    );
154    language!(
155        "javascript",
156        vec![
157            Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
158            Arc::new(vtsls::VtslsLspAdapter::new(node_runtime.clone()))
159        ],
160        typescript_task_context()
161    );
162    language!(
163        "jsdoc",
164        vec![
165            Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone(),)),
166            Arc::new(vtsls::VtslsLspAdapter::new(node_runtime.clone()))
167        ]
168    );
169    language!("regex");
170    language!(
171        "yaml",
172        vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
173    );
174    language!("proto");
175
176    // Register globally available language servers.
177    //
178    // This will allow users to add support for a built-in language server (e.g., Tailwind)
179    // for a given language via the `language_servers` setting:
180    //
181    // ```json
182    // {
183    //   "languages": {
184    //     "My Language": {
185    //       "language_servers": ["tailwindcss-language-server", "..."]
186    //     }
187    //   }
188    // }
189    // ```
190    languages.register_available_lsp_adapter(
191        LanguageServerName("tailwindcss-language-server".into()),
192        {
193            let node_runtime = node_runtime.clone();
194            move || Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone()))
195        },
196    );
197    languages.register_available_lsp_adapter(LanguageServerName("eslint".into()), {
198        let node_runtime = node_runtime.clone();
199        move || Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone()))
200    });
201
202    // Register Tailwind for the existing languages that should have it by default.
203    //
204    // This can be driven by the `language_servers` setting once we have a way for
205    // extensions to provide their own default value for that setting.
206    let tailwind_languages = [
207        "Astro",
208        "CSS",
209        "ERB",
210        "HEEX",
211        "HTML",
212        "JavaScript",
213        "PHP",
214        "Svelte",
215        "TSX",
216        "Vue.js",
217    ];
218
219    for language in tailwind_languages {
220        languages.register_secondary_lsp_adapter(
221            language.into(),
222            Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
223        );
224    }
225
226    let eslint_languages = ["TSX", "TypeScript", "JavaScript", "Vue.js", "Svelte"];
227    for language in eslint_languages {
228        languages.register_secondary_lsp_adapter(
229            language.into(),
230            Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
231        );
232    }
233
234    let mut subscription = languages.subscribe();
235    let mut prev_language_settings = languages.language_settings();
236
237    cx.spawn(|cx| async move {
238        while subscription.next().await.is_some() {
239            let language_settings = languages.language_settings();
240            if language_settings != prev_language_settings {
241                cx.update(|cx| {
242                    SettingsStore::update_global(cx, |settings, cx| {
243                        settings
244                            .set_extension_settings(language_settings.clone(), cx)
245                            .log_err();
246                    });
247                })?;
248                prev_language_settings = language_settings;
249            }
250        }
251        anyhow::Ok(())
252    })
253    .detach();
254}
255
256#[cfg(any(test, feature = "test-support"))]
257pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
258    Arc::new(
259        Language::new(load_config(name), Some(grammar))
260            .with_queries(load_queries(name))
261            .unwrap(),
262    )
263}
264
265fn load_config(name: &str) -> LanguageConfig {
266    let config_toml = String::from_utf8(
267        LanguageDir::get(&format!("{}/config.toml", name))
268            .unwrap()
269            .data
270            .to_vec(),
271    )
272    .unwrap();
273
274    ::toml::from_str(&config_toml)
275        .with_context(|| format!("failed to load config.toml for language {name:?}"))
276        .unwrap()
277}
278
279fn load_queries(name: &str) -> LanguageQueries {
280    let mut result = LanguageQueries::default();
281    for path in LanguageDir::iter() {
282        if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
283            if !remainder.ends_with(".scm") {
284                continue;
285            }
286            for (name, query) in QUERY_FILENAME_PREFIXES {
287                if remainder.starts_with(name) {
288                    let contents = asset_str::<LanguageDir>(path.as_ref());
289                    match query(&mut result) {
290                        None => *query(&mut result) = Some(contents),
291                        Some(r) => r.to_mut().push_str(contents.as_ref()),
292                    }
293                }
294            }
295        }
296    }
297    result
298}