feat(qt): add treesit (and lsp) support

modules/lang/qt/README.org

@@ -13,10 +13,16 @@ This module provides language functionality for [[https://qt.io][Qt]] specific f
 *This module needs a maintainer.* [[doom-contrib-maintainer:][Become a maintainer?]]
 
 ** Module flags
-/This module has no flags./
+- +lsp ::
+  Enable LSP support for ~qml-mode~/~qml-ts-mode~. Requires [[doom-module::tools lsp]]
+  and a langserver (supports [[https://doc.qt.io/qt-6/qtqml-tooling-qmlls.html][qmlls]]).
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Requires [[doom-module::tools tree-sitter]].
 
 ** Packages
 - [[doom-package:qml-mode]]
+- [[doom-package:qml-ts-mode]] if [[doom-module:+tree-sitter]]
 - [[doom-package:qt-pro-mode]]
 
 ** Hacks

modules/lang/qt/autoload.el

@@ -2,3 +2,13 @@
 
 ;;;###autoload
 (add-to-list 'auto-mode-alist '("\\.pr[io]\\'" . qt-pro-mode))
+
+;;;###autoload
+(when (modulep! +tree-sitter)
+  (set-tree-sitter! 'qml-mode 'qml-ts-mode
+    '((qmljs :url "https://github.com/yuja/tree-sitter-qmljs"))))
+
+;;;###autoload
+(when (modulep! +lsp)
+  (add-hook 'qml-mode-local-vars-hook #'lsp! 'append)
+  (add-hook 'qml-ts-mode-local-vars-hook #'lsp! 'append))

modules/lang/qt/doctor.el

@@ -0,0 +1,9 @@
+;;; lang/qt/doctor.el -*- lexical-binding: t; -*-
+
+(assert! (or (not (modulep! +lsp))
+             (modulep! :tools lsp))
+         "This module requires (:tools lsp)")
+
+(assert! (or (not (modulep! +tree-sitter))
+             (modulep! :tools tree-sitter))
+         "This module requires (:tools tree-sitter)")

modules/lang/qt/packages.el

@@ -3,3 +3,9 @@
 
 (package! qml-mode :pin "6c5f33ba88ae010bf201a80ee8095e20a724558c")
 (package! qt-pro-mode :pin "7a2da323de834294b413cbbb3c92f42f54913643")
+
+(when (modulep! +tree-sitter)
+  (package! qml-ts-mode
+    :recipe (:host github
+             :repo "xhcoding/qml-ts-mode")
+    :pin "b80c6663521b4d0083e416e6712ebc02d37b7aec"))