101 lines
3.3 KiB
EmacsLisp
101 lines
3.3 KiB
EmacsLisp
;;; ocaml -- summary -*- lexical-binding: t; -*-
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;;; Commentary:
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;;; Code:
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(require '+custom-pkg-hydra "$HOME/.emacs.d/pkg/hydra.el")
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(use-package tuareg
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:defer t
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:straight t
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:config
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(add-hook 'tuareg-mode-hook 'merlin-mode))
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(use-package merlin
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:defer t
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:straight t)
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(use-package reason-mode
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:defer t
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:straight t
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:config (setq refmt-command 'opam))
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(use-package dune
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:defer t
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:straight t)
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(defhydra my-ocaml/context-hydra (:color teal :hint nil)
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"
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^
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^ OCaml actions
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^────────────────────────────────────────────────────────────────────────────────
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^ _r_: Reload _f_: Format
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^ _i_: Indent _o_: Opam env
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^
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"
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("q" nil "cancel" :color blue)
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("r" revert-buffer-no-confirm)
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("i" mark-and-indent-whole-buffer)
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("f" ocamlformat)
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("o" tuareg-opam-update-env))
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(defun load-ocaml-site-packages ()
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"Generate ocaml config."
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(let ((opam-share (ignore-errors (car (process-lines "opam" "var" "share")))))
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(when (and opam-share (file-directory-p opam-share))
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;; Register Merlin
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(add-to-list 'load-path (expand-file-name "emacs/site-lisp" opam-share))
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(autoload 'merlin-mode "merlin" nil t nil)
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(autoload 'ocamlformat "ocamlformat" nil t nil)
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(autoload 'utop "utop" nil t nil)
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(autoload 'dune "dune" nil t nil)
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;; Use opam switch to lookup ocamlmerlin binary
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(setq merlin-command 'opam)))
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(define-key tuareg-mode-map (kbd "C-c l") 'my-ocaml/context-hydra/body))
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;; OCaml setup
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(add-hook 'tuareg-mode-hook 'merlin-mode)
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(add-hook 'tuareg-mode-hook 'load-ocaml-site-packages)
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(add-hook 'merlin-mode-hook (lambda ()
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(unbind-key "C-c C-d" merlin-mode-map)
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(unbind-key "C-c C-l" merlin-mode-map)
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(unbind-key "C-c C-n" merlin-mode-map)
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(unbind-key "C-c C-p" merlin-mode-map)
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(unbind-key "C-c C-r" merlin-mode-map)
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(unbind-key "C-c C-t" merlin-mode-map)
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(unbind-key "C-c C-x" merlin-mode-map)
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(unbind-key "C-c &" merlin-mode-map)))
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;; Use tuareg-opam with lock files
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(add-to-list 'auto-mode-alist '("\\.opam.locked\\'" . tuareg-opam-mode))
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(defhydra my-reason/context-hydra (:color teal :hint nil)
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"
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^
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^ Reason actions
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^────────────────────────────────────────────────────────────────────────────────
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^ _r_: Reload _f_: Format
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^ _o_: Opam env
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^
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"
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("q" nil "cancel" :color blue)
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("f" refmt)
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("r" revert-buffer-no-confirm)
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("o" tuareg-opam-update-env))
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(defun my-reason-mode ()
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"Generate reason config."
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(define-key reason-mode-map (kbd "C-c l") 'my-reason/context-hydra/body))
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;; Reason setup
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(add-hook 'reason-mode-hook
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(lambda ()
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(add-hook 'before-save-hook #'refmt-before-save)))
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(add-hook 'reason-mode-hook 'my-reason-mode)
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(add-hook 'reason-mode-hook 'merlin-mode)
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(provide '+custom-lang-ocaml)
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;;; ocaml.el ends here
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