+++
repository_url = "git@github.com:tree-sitter/tree-sitter"
revision = "24007727d42b4caceda3095ac685c463fae1ba1a"
+++

## Edit History

```diff
--- a/tree-sitter/crates/loader/src/loader.rs
+++ b/tree-sitter/crates/loader/src/loader.rs
@@ -604,7 +604,7 @@

 pub struct Loader {
     pub parser_lib_path: PathBuf,
-    languages_by_id: Vec<(PathBuf, OnceCell<Language>, Option<Vec<PathBuf>>)>,
+    languages_by_id: Vec<LanguageEntry>,
     language_configurations: Vec<LanguageConfiguration<'static>>,
     language_configuration_ids_by_file_type: HashMap<String, Vec<usize>>,
     language_configuration_in_current_path: Option<usize>,
@@ -619,6 +619,12 @@

     #[cfg(feature = "wasm")]
     wasm_store: Mutex<Option<tree_sitter::WasmStore>>,
 }
+
+struct LanguageEntry {
+    path: PathBuf,
+    language: OnceCell<Language>,
+    external_files: Option<Vec<PathBuf>>,
+}

 pub struct CompileConfig<'a> {
@@ -767,7 +773,7 @@
     pub fn get_all_language_configurations(&self) -> Vec<(&LanguageConfiguration, &Path)> {
         self.language_configurations
             .iter()
-            .map(|c| (c, self.languages_by_id[c.language_id].0.as_ref()))
+            .map(|c| (c, self.languages_by_id[c.language_id].path.as_ref()))
             .collect()
     }

```

## Cursor Position

```tree-sitter/crates/loader/src/loader.rs
    fn language_for_id(&self, id: usize) -> LoaderResult<Language> {
        let (path, language, externals) = &self.languages_by_id[id];
        //  ^[CURSOR_POSITION]
        language
            .get_or_try_init(|| {
                let src_path = path.join("src");
                self.load_language_at_path(CompileConfig::new(
                    &src_path,
                    externals.as_deref(),
                    None,
                ))
            })
            .cloned()
    }
```

## Expected Patch

```diff
--- a/tree-sitter/crates/loader/src/loader.rs
+++ b/tree-sitter/crates/loader/src/loader.rs
@@ -926,7 +926,11 @@
     }

     fn language_for_id(&self, id: usize) -> LoaderResult<Language> {
-        let (path, language, externals) = &self.languages_by_id[id];
+        let LanguageEntry {
+            path,
+            language,
+            external_files,
+        } = &self.languages_by_id[id];
         language
             .get_or_try_init(|| {
                 let src_path = path.join("src");
                 self.load_language_at_path(CompileConfig::new(
                     &src_path,
-                    externals.as_deref(),
+                    external_files.as_deref(),
                     None,
                 ))
             })
             .cloned()
```

```diff
--- a/tree-sitter/crates/loader/src/loader.rs
+++ b/tree-sitter/crates/loader/src/loader.rs
@@ -926,7 +926,11 @@
     }

     fn language_for_id(&self, id: usize) -> LoaderResult<Language> {
-        let (path, language, externals) = &self.languages_by_id[id];
+        let LanguageEntry {
+            path,
+            language,
+            external_files: externals,
+        } = &self.languages_by_id[id];
         language
             .get_or_try_init(|| {
                 let src_path = path.join("src");
```

```diff
--- a/tree-sitter/crates/loader/src/loader.rs
+++ b/tree-sitter/crates/loader/src/loader.rs
@@ -926,13 +926,14 @@
     }

     fn language_for_id(&self, id: usize) -> LoaderResult<Language> {
-        let (path, language, externals) = &self.languages_by_id[id];
-        language
+        let entry = &self.languages_by_id[id];
+        entry
+            .language
             .get_or_try_init(|| {
-                let src_path = path.join("src");
+                let src_path = entry.path.join("src");
                 self.load_language_at_path(CompileConfig::new(
                     &src_path,
-                    externals.as_deref(),
+                    entry.external_files.as_deref(),
                     None,
                 ))
             })
```

```diff
--- a/tree-sitter/crates/loader/src/loader.rs
+++ b/tree-sitter/crates/loader/src/loader.rs
@@ -926,0 +926,0 @@
     }

     fn language_for_id(&self, id: usize) -> LoaderResult<Language> {
-        let (path, language, externals) = &self.languages_by_id[id];
+        let LanguageEntry { path, language, external_files  } = &self.languages_by_id[id];
         language
             .get_or_try_init(|| {
                 let src_path = path.join("src");
                 self.load_language_at_path(CompileConfig::new(
                     &src_path,
-                    externals.as_deref(),
+                    external_files.as_deref(),
                     None,
                 ))
             })
             .cloned()
```