fish: init

Author: MarcelCoding

Cargo.lock

@@ -90,6 +90,7 @@ tree-sitter-elisp = "1.6.1"
 tree-sitter-elixir = "0.3.4"
 tree-sitter-elm = "5.8.0"
 tree-sitter-erlang = "0.13.0"
+tree-sitter-fish = "3.6.0"
 tree-sitter-fsharp = "0.1.0"
 tree-sitter-gleam = "1.0.0"
 tree-sitter-go = "0.23.4"

Cargo.toml

@@ -35,6 +35,7 @@ pub(crate) enum Language {
     Elvish,
     EmacsLisp,
     Erlang,
+    Fish,
     FSharp,
     Gleam,
     Go,
@@ -136,6 +137,7 @@ pub(crate) fn language_name(language: Language) -> &'static str {
         Elvish => "Elvish",
         EmacsLisp => "Emacs Lisp",
         Erlang => "Erlang",
+        Fish => "fish",
         FSharp => "F#",
         Gleam => "Gleam",
         Go => "Go",
@@ -279,6 +281,7 @@ pub(crate) fn language_globs(language: Language) -> Vec<glob::Pattern> {
             "rebar.config.lock",
             "rebar.lock",
         ],
+        Fish => &["*.fish"],
         FSharp => &["*.fs", "*.fsx", "*.fsi"],
         Gleam => &["*.gleam"],
         Go => &["*.go"],
@@ -537,6 +540,7 @@ fn from_emacs_mode_header(src: &str) -> Option<Language> {
             "elm" => Elm,
             "elvish" => Elvish,
             "emacs-lisp" => EmacsLisp,
+            "fish" => Some(Fish),
             "fsharp" => FSharp,
             "gleam" => Gleam,
             "go" => Go,

src/parse/guess_language.rs

@@ -375,6 +375,20 @@ pub(crate) fn from_language(language: guess::Language) -> TreeSitterConfig {
                 sub_languages: vec![],
             }
         }
+        Fish => {
+            let language = tree_sitter_fish::language();
+
+            TreeSitterConfig {
+                language: language.clone(),
+                atom_nodes: ["single_quote_string", "double_quote_string"]
+                    .into_iter()
+                    .collect(),
+                delimiter_tokens: vec![("(", ")"), ("{", "}"), ("[", "]")],
+                highlight_query: ts::Query::new(&language, tree_sitter_fish::HIGHLIGHTS_QUERY)
+                    .unwrap(),
+                sub_languages: vec![],
+            }
+        }
         FSharp => {
             let language_fn = tree_sitter_fsharp::LANGUAGE_FSHARP;
             let language = tree_sitter::Language::new(language_fn);