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- ;;; -*- lexical-binding: t; -*-
- (def-package! reason-mode
- :mode "\\.rei?$"
- :commands (reason-mode)
- :config
- (let* (
- (refmt-bin (executable-find "refmt"))
- (merlin-bin (executable-find "ocamlmerlin"))
- (merlin-base-dir (when merlin-bin
- (replace-regexp-in-string "bin/ocamlmerlin$" "" merlin-bin))))
- ;; Add npm merlin.el to the emacs load path and tell emacs where to find ocamlmerlin
- (when merlin-bin
- (add-to-list 'load-path (concat merlin-base-dir "share/emacs/site-lisp/"))
- (setq merlin-command merlin-bin))
- (when refmt-bin
- (setq refmt-command refmt-bin))
- (require 'merlin)
- (add-hook! reason-mode
- (add-hook 'before-save-hook #'refmt-before-save nil t)
- (merlin-mode))
- (setq-hook! reason-mode
- indent-region-function #'apply-refmt)
- (set-electric! 'some-mode :chars '(?|))
- (set-lookup-handlers! 'reason-mode
- :definition #'merlin-locate
- :references #'merlin-occurrences
- :documentation #'merlin-document)
- (set-company-backend! 'reason-mode 'merlin-company-backend)))
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