1mod extension_lsp_adapter;
 2
 3use std::path::PathBuf;
 4use std::sync::Arc;
 5
 6use anyhow::Result;
 7use extension::{ExtensionGrammarProxy, ExtensionHostProxy, ExtensionLanguageProxy};
 8use gpui::{App, Entity};
 9use language::{LanguageMatcher, LanguageName, LanguageRegistry, LoadedLanguage};
10use project::LspStore;
11
12#[derive(Clone)]
13pub enum LspAccess {
14    ViaLspStore(Entity<LspStore>),
15    ViaWorkspaces(Arc<dyn Fn(&mut App) -> Result<Vec<Entity<LspStore>>> + Send + Sync + 'static>),
16    Noop,
17}
18
19pub fn init(
20    lsp_access: LspAccess,
21    extension_host_proxy: Arc<ExtensionHostProxy>,
22    language_registry: Arc<LanguageRegistry>,
23) {
24    let language_server_registry_proxy = LanguageServerRegistryProxy {
25        language_registry,
26        lsp_access,
27    };
28    extension_host_proxy.register_grammar_proxy(language_server_registry_proxy.clone());
29    extension_host_proxy.register_language_proxy(language_server_registry_proxy.clone());
30    extension_host_proxy.register_language_server_proxy(language_server_registry_proxy);
31}
32
33#[derive(Clone)]
34struct LanguageServerRegistryProxy {
35    language_registry: Arc<LanguageRegistry>,
36    lsp_access: LspAccess,
37}
38
39impl ExtensionGrammarProxy for LanguageServerRegistryProxy {
40    fn register_grammars(&self, grammars: Vec<(Arc<str>, PathBuf)>) {
41        self.language_registry.register_wasm_grammars(grammars)
42    }
43}
44
45impl ExtensionLanguageProxy for LanguageServerRegistryProxy {
46    fn register_language(
47        &self,
48        language: LanguageName,
49        grammar: Option<Arc<str>>,
50        matcher: LanguageMatcher,
51        hidden: bool,
52        load: Arc<dyn Fn() -> Result<LoadedLanguage> + Send + Sync + 'static>,
53    ) {
54        self.language_registry
55            .register_language(language, grammar, matcher, hidden, None, load);
56    }
57
58    fn remove_languages(
59        &self,
60        languages_to_remove: &[LanguageName],
61        grammars_to_remove: &[Arc<str>],
62    ) {
63        self.language_registry
64            .remove_languages(languages_to_remove, grammars_to_remove);
65    }
66}