Move lang files

lisp/langs/icejam-lang-ocaml.el

@@ -0,0 +1,95 @@
+;;; ocaml -- summary -*- lexical-binding: t; -*-
+;;; Commentary:
+;;; Code:
+
+(require 'icejam-transient)
+
+(use-package tuareg
+  :defer t
+  :straight t
+  :config
+  (add-hook 'tuareg-mode-hook 'merlin-mode))
+
+(use-package merlin
+  :defer t
+  :straight t)
+
+(use-package reason-mode
+  :defer t
+  :straight t
+  :config (setq refmt-command 'opam))
+
+(use-package dune
+  :defer t
+  :straight t)
+
+(transient-define-prefix +custom-lang-ocaml/context-menu ()
+  "Ocaml Actions."
+  ["OCaml actions"
+   [""
+    ("r" "Reload"   revert-buffer-no-confirm)
+    ("i" "Indent"   mark-and-indent-whole-buffer)]
+   [""
+    ("f" "Format"   ocamlformat)
+    ("e" "Opam Env" tuareg-opam-update-env)]]
+  [""
+   ("q" "Quit"      keyboard-quit)])
+
+(defun load-ocaml-site-packages ()
+  "Generate ocaml config."
+  (let ((opam-share (ignore-errors (car (process-lines "opam" "var" "share")))))
+    (when (and opam-share (file-directory-p opam-share))
+      ;; Register Merlin
+      (add-to-list 'load-path (expand-file-name "emacs/site-lisp" opam-share))
+      (autoload 'merlin-mode "merlin" nil t nil)
+      (autoload 'ocamlformat "ocamlformat" nil t nil)
+      (autoload 'utop "utop" nil t nil)
+      (autoload 'dune "dune" nil t nil)
+
+      ;; Use opam switch to lookup ocamlmerlin binary
+      (setq merlin-command 'opam)))
+  (define-key tuareg-mode-map (kbd "C-c l") '+custom-lang-ocaml/context-menu))
+
+;; OCaml setup
+(add-hook 'tuareg-mode-hook 'merlin-mode)
+(add-hook 'tuareg-mode-hook 'load-ocaml-site-packages)
+(add-hook 'merlin-mode-hook (lambda ()
+                              (unbind-key "C-c C-d" merlin-mode-map)
+                              (unbind-key "C-c C-l" merlin-mode-map)
+                              (unbind-key "C-c C-n" merlin-mode-map)
+                              (unbind-key "C-c C-p" merlin-mode-map)
+                              (unbind-key "C-c C-r" merlin-mode-map)
+                              (unbind-key "C-c C-t" merlin-mode-map)
+                              (unbind-key "C-c C-x" merlin-mode-map)
+                              (unbind-key "C-c &" merlin-mode-map)))
+
+;; Use tuareg-opam with lock files
+(add-to-list 'auto-mode-alist '("\\.opam.locked\\'" . tuareg-opam-mode))
+
+(transient-define-prefix +custom-lang-ocaml/reasonml-context-menu ()
+  "ReasonML Actions"
+  ["ReasonML actions"
+   [""
+    ("r" "Reload"   revert-buffer-no-confirm)
+    ("i" "Indent"   mark-and-indent-whole-buffer)]
+   [""
+    ("f" "Format"   refmt)
+    ("e" "Opam Env" tuareg-opam-update-env)]]
+  [""
+   ("q" "Quit"      keyboard-quit)])
+
+
+(defun custom-lang-ocaml/activate-reason-mode ()
+  "Generate reason config."
+  (define-key
+    reason-mode-map (kbd "C-c l") '+custom-lang-ocaml/reasonml-context-menu))
+
+;; Reason setup
+(add-hook 'reason-mode-hook
+          (lambda ()
+            (add-hook 'before-save-hook #'refmt-before-save)))
+(add-hook 'reason-mode-hook 'custom-lang-ocaml/activate-reason-mode)
+(add-hook 'reason-mode-hook 'merlin-mode)
+
+(provide 'icejam-lang-ocaml)
+;;; icejam-lang-ocaml.el ends here