From ca51348724d20ddbe935f97823bec3f7d773ac3f Mon Sep 17 00:00:00 2001
From: Marcel <me@m4rc3l.de>
Date: Wed, 11 Jun 2025 16:16:31 +0200
Subject: [PATCH] fish: init

---
 Cargo.lock                      | 11 +++++++++++
 Cargo.toml                      |  1 +
 src/parse/guess_language.rs     |  4 ++++
 src/parse/tree_sitter_parser.rs | 14 ++++++++++++++
 4 files changed, 30 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index ffacadd38c..1174a09abd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -289,6 +289,7 @@ dependencies = [
  "tree-sitter-elixir",
  "tree-sitter-elm",
  "tree-sitter-erlang",
+ "tree-sitter-fish",
  "tree-sitter-fsharp",
  "tree-sitter-gleam",
  "tree-sitter-go",
@@ -1164,6 +1165,16 @@ dependencies = [
  "tree-sitter-language",
 ]
 
+[[package]]
+name = "tree-sitter-fish"
+version = "3.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "014e3b299f251e9c2e372e3b5e1b0323ef21196e9aa2e90a5bc1f6130cbe8b18"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-fsharp"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 6541e170da..cf0a4965ab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -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"
diff --git a/src/parse/guess_language.rs b/src/parse/guess_language.rs
index aaf1277afa..92fdd69eb2 100644
--- a/src/parse/guess_language.rs
+++ b/src/parse/guess_language.rs
@@ -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" => Fish,
             "fsharp" => FSharp,
             "gleam" => Gleam,
             "go" => Go,
diff --git a/src/parse/tree_sitter_parser.rs b/src/parse/tree_sitter_parser.rs
index 48a9b215f5..e4698900af 100644
--- a/src/parse/tree_sitter_parser.rs
+++ b/src/parse/tree_sitter_parser.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);