Automate settings registration (#42238)

Release Notes:

- N/A

---------

Co-authored-by: Nia <nia@zed.dev>

crates/language/src/buffer_tests.rs

@@ -3922,7 +3922,6 @@ fn assert_bracket_pairs(
 fn init_settings(cx: &mut App, f: fn(&mut AllLanguageSettingsContent)) {
     let settings_store = SettingsStore::test(cx);
     cx.set_global(settings_store);
-    crate::init(cx);
     cx.update_global::<SettingsStore, _>(|settings, cx| {
         settings.update_user_settings(cx, |content| f(&mut content.project.all_languages));
     });

crates/language/src/language.rs

@@ -88,13 +88,6 @@ pub use syntax_map::{
 pub use text::{AnchorRangeExt, LineEnding};
 pub use tree_sitter::{Node, Parser, Tree, TreeCursor};
 
-/// Initializes the `language` crate.
-///
-/// This should be called before making use of items from the create.
-pub fn init(cx: &mut App) {
-    language_settings::init(cx);
-}
-
 static QUERY_CURSORS: Mutex<Vec<QueryCursor>> = Mutex::new(vec![]);
 static PARSERS: Mutex<Vec<Parser>> = Mutex::new(vec![]);
 

crates/language/src/language_settings.rs

@@ -15,15 +15,10 @@ pub use settings::{
     Formatter, FormatterList, InlayHintKind, LanguageSettingsContent, LspInsertMode,
     RewrapBehavior, ShowWhitespaceSetting, SoftWrap, WordsCompletionMode,
 };
-use settings::{Settings, SettingsLocation, SettingsStore};
+use settings::{RegisterSetting, Settings, SettingsLocation, SettingsStore};
 use shellexpand;
 use std::{borrow::Cow, num::NonZeroU32, path::Path, sync::Arc};
 
-/// Initializes the language settings.
-pub fn init(cx: &mut App) {
-    AllLanguageSettings::register(cx);
-}
-
 /// Returns the settings for the specified language from the provided file.
 pub fn language_settings<'a>(
     language: Option<LanguageName>,
@@ -50,7 +45,7 @@ pub fn all_language_settings<'a>(
 }
 
 /// The settings for all languages.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, RegisterSetting)]
 pub struct AllLanguageSettings {
     /// The edit prediction settings.
     pub edit_predictions: EditPredictionSettings,