fix lsp config reload (#9415)

`syn_loader` was replaced rather than interior value being replace,
old value was still being referenced and not updated after `:config-refresh`.
By using `ArcSwap` like for `config`, each `.load()` call will return the most
updated value.

Co-authored-by: kyfan <kyfan@email>

1 files changed, 7 insertions, 2 deletions

diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index 3764bba6..a6ee7f05 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -1,5 +1,6 @@
 use crate::compositor::{Component, Compositor, Context, Event, EventResult};
 use crate::{alt, ctrl, key, shift, ui};
+use arc_swap::ArcSwap;
 use helix_core::syntax;
 use helix_view::input::KeyEvent;
 use helix_view::keyboard::KeyCode;
@@ -34,7 +35,7 @@ pub struct Prompt {
     callback_fn: CallbackFn,
     pub doc_fn: DocFn,
     next_char_handler: Option<PromptCharHandler>,
-    language: Option<(&'static str, Arc<syntax::Loader>)>,
+    language: Option<(&'static str, Arc<ArcSwap<syntax::Loader>>)>,
 }
 
 #[derive(Clone, Copy, PartialEq, Eq)]
@@ -98,7 +99,11 @@ impl Prompt {
         self
     }
 
-    pub fn with_language(mut self, language: &'static str, loader: Arc<syntax::Loader>) -> Self {
+    pub fn with_language(
+        mut self,
+        language: &'static str,
+        loader: Arc<ArcSwap<syntax::Loader>>,
+    ) -> Self {
         self.language = Some((language, loader));
         self
     }