From 7f5b8d8168aab157430426a058d83e326abc9f03 Mon Sep 17 00:00:00 2001
From: karitham <kar@karitham.dev>
Date: Wed, 17 Jun 2026 00:35:05 +0200
Subject: [PATCH] helix: prr tree-sitter

---
 modules/dev/editor/helix.nix | 38 ++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/modules/dev/editor/helix.nix b/modules/dev/editor/helix.nix
index b13cbad..0050dbf 100644
--- a/modules/dev/editor/helix.nix
+++ b/modules/dev/editor/helix.nix
@@ -31,6 +31,24 @@ let
       nufmt
     ]
     ++ [ self'.packages.gotools ];
+
+  tree-sitter-prr = pkgs.stdenv.mkDerivation {
+    pname = "tree-sitter-prr";
+    version = "unstable-2026-04-02";
+    src = pkgs.fetchFromGitHub {
+      owner = "colinmarc";
+      repo = "tree-sitter-prr";
+      rev = "a0c26e79b038940e5e7030209985bfc103ebd8ef";
+      hash = "sha256-iZg/TFAHph49ojTkNCCORIr2B/fAjPOL99FLpmdJBYo=";
+    };
+    buildPhase = ''
+      $CC -fPIC -Isrc -c src/parser.c -o parser.o
+      $CC -shared -o prr.so parser.o
+    '';
+    installPhase = ''
+      install -Dm755 prr.so $out/lib/prr.so
+    '';
+  };
 in
 lib.mkIf osConfig.dev.editor.enable {
   home.packages = global-tools;
@@ -39,6 +57,20 @@ lib.mkIf osConfig.dev.editor.enable {
     (require "plugins.scm")
   '';
 
+  xdg.configFile."helix/runtime/grammars/prr.so".source = "${tree-sitter-prr}/lib/prr.so";
+  xdg.configFile."helix/runtime/queries/prr/highlights.scm".text = ''
+    (file_header) @namespace
+    (index_line) @comment
+    (old_file) @comment
+    (new_file) @comment
+    (hunk_header) @function
+    (addition) @diff.plus
+    (deletion) @diff.minus
+    (tag_name) @keyword
+    (tag_value) @string
+    (comment) @comment
+  '';
+
   programs.helix = {
     enable = true;
     defaultEditor = true;
@@ -589,6 +621,12 @@ lib.mkIf osConfig.dev.editor.enable {
                 language-servers = [ "thriftls" ];
                 auto-format = true;
               }
+              {
+                name = "prr";
+                scope = "source.prr";
+                file-types = [ "prr" ];
+                grammar = "prr";
+              }
             ]
             ++ map (lang: { name = lang; }) [
               "git-attributes"
-- 
2.51.2