lib.rs

  1use anyhow::Context;
  2use gpui::AppContext;
  3pub use language::*;
  4use node_runtime::NodeRuntime;
  5use rust_embed::RustEmbed;
  6use settings::Settings;
  7use std::{str, sync::Arc};
  8use util::asset_str;
  9
 10use crate::{elixir::elixir_task_context, rust::RustContextProvider};
 11
 12use self::{deno::DenoSettings, elixir::ElixirSettings};
 13
 14mod c;
 15mod css;
 16mod dart;
 17mod deno;
 18mod elixir;
 19mod elm;
 20mod go;
 21mod json;
 22mod lua;
 23mod nu;
 24mod ocaml;
 25mod python;
 26mod ruby;
 27mod rust;
 28mod tailwind;
 29mod terraform;
 30mod typescript;
 31mod vue;
 32mod yaml;
 33
 34// 1. Add tree-sitter-{language} parser to zed crate
 35// 2. Create a language directory in zed/crates/zed/src/languages and add the language to init function below
 36// 3. Add config.toml to the newly created language directory using existing languages as a template
 37// 4. Copy highlights from tree sitter repo for the language into a highlights.scm file.
 38//      Note: github highlights take the last match while zed takes the first
 39// 5. Add indents.scm, outline.scm, and brackets.scm to implement indent on newline, outline/breadcrumbs,
 40//    and autoclosing brackets respectively
 41// 6. If the language has injections add an injections.scm query file
 42
 43#[derive(RustEmbed)]
 44#[folder = "src/"]
 45#[exclude = "*.rs"]
 46struct LanguageDir;
 47
 48pub fn init(
 49    languages: Arc<LanguageRegistry>,
 50    node_runtime: Arc<dyn NodeRuntime>,
 51    cx: &mut AppContext,
 52) {
 53    ElixirSettings::register(cx);
 54    DenoSettings::register(cx);
 55
 56    languages.register_native_grammars([
 57        ("bash", tree_sitter_bash::language()),
 58        ("c", tree_sitter_c::language()),
 59        ("cpp", tree_sitter_cpp::language()),
 60        ("css", tree_sitter_css::language()),
 61        ("elixir", tree_sitter_elixir::language()),
 62        ("elm", tree_sitter_elm::language()),
 63        (
 64            "embedded_template",
 65            tree_sitter_embedded_template::language(),
 66        ),
 67        ("glsl", tree_sitter_glsl::language()),
 68        ("go", tree_sitter_go::language()),
 69        ("gomod", tree_sitter_gomod::language()),
 70        ("gowork", tree_sitter_gowork::language()),
 71        ("hcl", tree_sitter_hcl::language()),
 72        ("heex", tree_sitter_heex::language()),
 73        ("jsdoc", tree_sitter_jsdoc::language()),
 74        ("json", tree_sitter_json::language()),
 75        ("lua", tree_sitter_lua::language()),
 76        ("markdown", tree_sitter_markdown::language()),
 77        ("nix", tree_sitter_nix::language()),
 78        ("nu", tree_sitter_nu::language()),
 79        ("ocaml", tree_sitter_ocaml::language_ocaml()),
 80        (
 81            "ocaml_interface",
 82            tree_sitter_ocaml::language_ocaml_interface(),
 83        ),
 84        ("proto", tree_sitter_proto::language()),
 85        ("python", tree_sitter_python::language()),
 86        ("racket", tree_sitter_racket::language()),
 87        ("regex", tree_sitter_regex::language()),
 88        ("ruby", tree_sitter_ruby::language()),
 89        ("rust", tree_sitter_rust::language()),
 90        ("scheme", tree_sitter_scheme::language()),
 91        ("tsx", tree_sitter_typescript::language_tsx()),
 92        ("typescript", tree_sitter_typescript::language_typescript()),
 93        ("vue", tree_sitter_vue::language()),
 94        ("yaml", tree_sitter_yaml::language()),
 95        ("dart", tree_sitter_dart::language()),
 96    ]);
 97
 98    macro_rules! language {
 99        ($name:literal) => {
100            let config = load_config($name);
101            languages.register_language(
102                config.name.clone(),
103                config.grammar.clone(),
104                config.matcher.clone(),
105                move || {
106                    Ok((
107                        config.clone(),
108                        load_queries($name),
109                        Some(Arc::new(language::SymbolContextProvider)),
110                    ))
111                },
112            );
113        };
114        ($name:literal, $adapters:expr) => {
115            let config = load_config($name);
116            // typeck helper
117            let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
118            for adapter in adapters {
119                languages.register_lsp_adapter(config.name.clone(), adapter);
120            }
121            languages.register_language(
122                config.name.clone(),
123                config.grammar.clone(),
124                config.matcher.clone(),
125                move || {
126                    Ok((
127                        config.clone(),
128                        load_queries($name),
129                        Some(Arc::new(language::SymbolContextProvider)),
130                    ))
131                },
132            );
133        };
134        ($name:literal, $adapters:expr, $context_provider:expr) => {
135            let config = load_config($name);
136            // typeck helper
137            let adapters: Vec<Arc<dyn LspAdapter>> = $adapters;
138            for adapter in adapters {
139                languages.register_lsp_adapter(config.name.clone(), adapter);
140            }
141            languages.register_language(
142                config.name.clone(),
143                config.grammar.clone(),
144                config.matcher.clone(),
145                move || {
146                    Ok((
147                        config.clone(),
148                        load_queries($name),
149                        Some(Arc::new($context_provider)),
150                    ))
151                },
152            );
153        };
154    }
155    language!("bash");
156    language!("c", vec![Arc::new(c::CLspAdapter) as Arc<dyn LspAdapter>]);
157    language!("cpp", vec![Arc::new(c::CLspAdapter)]);
158    language!(
159        "css",
160        vec![
161            Arc::new(css::CssLspAdapter::new(node_runtime.clone())),
162            Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
163        ]
164    );
165
166    match &ElixirSettings::get(None, cx).lsp {
167        elixir::ElixirLspSetting::ElixirLs => {
168            language!(
169                "elixir",
170                vec![
171                    Arc::new(elixir::ElixirLspAdapter),
172                    Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
173                ],
174                elixir_task_context()
175            );
176        }
177        elixir::ElixirLspSetting::NextLs => {
178            language!(
179                "elixir",
180                vec![Arc::new(elixir::NextLspAdapter)],
181                elixir_task_context()
182            );
183        }
184        elixir::ElixirLspSetting::Local { path, arguments } => {
185            language!(
186                "elixir",
187                vec![Arc::new(elixir::LocalLspAdapter {
188                    path: path.clone(),
189                    arguments: arguments.clone(),
190                })],
191                elixir_task_context()
192            );
193        }
194    }
195    language!("go", vec![Arc::new(go::GoLspAdapter)]);
196    language!("gomod");
197    language!("gowork");
198    language!(
199        "heex",
200        vec![
201            Arc::new(elixir::ElixirLspAdapter),
202            Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
203        ]
204    );
205    language!(
206        "json",
207        vec![Arc::new(json::JsonLspAdapter::new(
208            node_runtime.clone(),
209            languages.clone(),
210        ))]
211    );
212    language!("markdown");
213    language!(
214        "python",
215        vec![Arc::new(python::PythonLspAdapter::new(
216            node_runtime.clone(),
217        ))]
218    );
219    language!(
220        "rust",
221        vec![Arc::new(rust::RustLspAdapter)],
222        RustContextProvider
223    );
224    match &DenoSettings::get(None, cx).enable {
225        true => {
226            language!(
227                "tsx",
228                vec![
229                    Arc::new(deno::DenoLspAdapter::new()),
230                    Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
231                ]
232            );
233            language!("typescript", vec![Arc::new(deno::DenoLspAdapter::new())]);
234            language!(
235                "javascript",
236                vec![
237                    Arc::new(deno::DenoLspAdapter::new()),
238                    Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
239                ]
240            );
241            language!("jsdoc", vec![Arc::new(deno::DenoLspAdapter::new())]);
242        }
243        false => {
244            language!(
245                "tsx",
246                vec![
247                    Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
248                    Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
249                    Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
250                ]
251            );
252            language!(
253                "typescript",
254                vec![
255                    Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
256                    Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
257                ]
258            );
259            language!(
260                "javascript",
261                vec![
262                    Arc::new(typescript::TypeScriptLspAdapter::new(node_runtime.clone())),
263                    Arc::new(typescript::EsLintLspAdapter::new(node_runtime.clone())),
264                    Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
265                ]
266            );
267            language!(
268                "jsdoc",
269                vec![Arc::new(typescript::TypeScriptLspAdapter::new(
270                    node_runtime.clone(),
271                ))]
272            );
273        }
274    }
275
276    language!("ruby", vec![Arc::new(ruby::RubyLanguageServer)]);
277    language!(
278        "erb",
279        vec![
280            Arc::new(ruby::RubyLanguageServer),
281            Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
282        ]
283    );
284    language!("scheme");
285    language!("racket");
286    language!("regex");
287    language!("lua", vec![Arc::new(lua::LuaLspAdapter)]);
288    language!(
289        "yaml",
290        vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
291    );
292    language!(
293        "elm",
294        vec![Arc::new(elm::ElmLspAdapter::new(node_runtime.clone()))]
295    );
296    language!("glsl");
297    language!("nix");
298    language!("nu", vec![Arc::new(nu::NuLanguageServer {})]);
299    language!("ocaml", vec![Arc::new(ocaml::OCamlLspAdapter)]);
300    language!("ocaml-interface", vec![Arc::new(ocaml::OCamlLspAdapter)]);
301    language!(
302        "vue",
303        vec![
304            Arc::new(vue::VueLspAdapter::new(node_runtime.clone())),
305            Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
306        ]
307    );
308    language!("proto");
309    language!("terraform", vec![Arc::new(terraform::TerraformLspAdapter)]);
310    language!(
311        "terraform-vars",
312        vec![Arc::new(terraform::TerraformLspAdapter)]
313    );
314    language!("hcl", vec![]);
315    language!("dart", vec![Arc::new(dart::DartLanguageServer {})]);
316
317    languages.register_secondary_lsp_adapter(
318        "Astro".into(),
319        Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
320    );
321    languages.register_secondary_lsp_adapter(
322        "HTML".into(),
323        Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
324    );
325    languages.register_secondary_lsp_adapter(
326        "PHP".into(),
327        Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
328    );
329    languages.register_secondary_lsp_adapter(
330        "Svelte".into(),
331        Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
332    );
333}
334
335#[cfg(any(test, feature = "test-support"))]
336pub fn language(name: &str, grammar: tree_sitter::Language) -> Arc<Language> {
337    Arc::new(
338        Language::new(load_config(name), Some(grammar))
339            .with_queries(load_queries(name))
340            .unwrap(),
341    )
342}
343
344fn load_config(name: &str) -> LanguageConfig {
345    let config_toml = String::from_utf8(
346        LanguageDir::get(&format!("{}/config.toml", name))
347            .unwrap()
348            .data
349            .to_vec(),
350    )
351    .unwrap();
352
353    ::toml::from_str(&config_toml)
354        .with_context(|| format!("failed to load config.toml for language {name:?}"))
355        .unwrap()
356}
357
358fn load_queries(name: &str) -> LanguageQueries {
359    let mut result = LanguageQueries::default();
360    for path in LanguageDir::iter() {
361        if let Some(remainder) = path.strip_prefix(name).and_then(|p| p.strip_prefix('/')) {
362            if !remainder.ends_with(".scm") {
363                continue;
364            }
365            for (name, query) in QUERY_FILENAME_PREFIXES {
366                if remainder.starts_with(name) {
367                    let contents = asset_str::<LanguageDir>(path.as_ref());
368                    match query(&mut result) {
369                        None => *query(&mut result) = Some(contents),
370                        Some(r) => r.to_mut().push_str(contents.as_ref()),
371                    }
372                }
373            }
374        }
375    }
376    result
377}