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spacemacs/layers/+lang/reasonml/packages.el
2020-09-23 21:25:01 +02:00

150 lines
4.8 KiB
EmacsLisp

;;; packages.el --- reasonml layer packages file for Spacemacs.
;;
;; Copyright (c) 2012-2020 Sylvain Benner & Contributors
;;
;; Author: Fredrik Dyrkell
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(defconst reasonml-packages
'(company
evil-matchit
flycheck
flycheck-ocaml
merlin
popwin
reason-mode
utop))
(defun reasonml/post-init-company ()
(when (configuration-layer/package-usedp 'merlin)
(spacemacs|add-company-backends
:backends merlin-company-backend
:modes reason-mode)))
(defun reasonml/post-init-evil-matchit ()
(evilmi-load-plugin-rules '(reason-mode) '(template simple html))
(add-hook 'reason-mode-hook 'turn-on-evil-matchit-mode))
(defun flycheck-ocaml-reason-setup ()
(with-eval-after-load 'merlin
(setq merlin-error-after-save nil)
(flycheck-define-generic-checker 'reason-merlin
"A syntax checker for Reason using Merlin Mode.
See URL `https://github.com/the-lambda-church/merlin'."
:start #'flycheck-ocaml-merlin-start
:verify #'flycheck-verify-ocaml-merlin
:modes '(reason-mode)
:predicate (and merlin-mode
;; Don't check if Merlin's own checking is
;; enabled, to avoid duplicate overlays
(not merlin-error-after-save)))
(interactive)
(add-to-list 'flycheck-checkers 'reason-merlin)))
(defun reasonml/post-init-flycheck ()
(when (configuration-layer/layer-used-p 'syntax-checking)
(spacemacs/enable-flycheck 'reason-mode)))
(defun reasonml/post-init-flycheck-ocaml ()
(when (configuration-layer/layer-used-p 'syntax-checking)
(flycheck-ocaml-reason-setup)))
(defun reasonml/post-init-merlin ()
(use-package merlin
:defer t
:init
(progn
(setq merlin-completion-with-doc t)
(spacemacs/set-leader-keys-for-major-mode 'reason-mode
"cp" 'merlin-project-check
"cv" 'merlin-goto-project-file
"eC" 'merlin-error-check
"en" 'merlin-error-next
"eN" 'merlin-error-prev
"gb" 'merlin-pop-stack
"gg" 'merlin-locate
"gG" 'spacemacs/merlin-locate-other-window
"gl" 'merlin-locate-ident
"gi" 'merlin-switch-to-ml
"gI" 'merlin-switch-to-mli
"go" 'merlin-occurrences
"hh" 'merlin-document
"ht" 'merlin-type-enclosing
"hT" 'merlin-type-expr
"rd" 'merlin-destruct))))
(defun reasonml/pre-init-popwin ()
(spacemacs|use-package-add-hook popwin
:post-config
(push '("*Refmt Errors*" :tail t :position bottom :noselect t)
popwin:special-display-config)))
(defun reasonml/init-reason-mode ()
(use-package reason-mode
:defer t
:mode ("\\.rei?\\'" . reason-mode)
:init
(progn
(add-hook 'reason-mode-hook 'merlin-mode)
(add-hook 'reason-mode-hook 'utop-minor-mode)
(when (configuration-layer/layer-used-p 'syntax-checking)
(add-hook 'reason-mode-hook 'flycheck-mode))
(add-hook 'reason-mode-hook
(lambda ()
(when reason-auto-refmt
(add-hook 'before-save-hook 'refmt nil t))))
(spacemacs|add-toggle reason-auto-refmt
:documentation "Toggle automatic refmt on save."
:status reason-auto-refmt
:on (progn
(setq reason-auto-refmt t)
(add-hook 'before-save-hook 'refmt nil t))
:off (progn
(setq reason-auto-refmt nil)
(remove-hook 'before-save-hook 'refmt t))))
:config
(progn
(spacemacs/declare-prefix-for-mode 'reason-mode "mc" "compile")
(spacemacs/declare-prefix-for-mode 'reason-mode "mt" "toggle")
(spacemacs/declare-prefix-for-mode 'reason-mode "me" "errors/eval")
(spacemacs/declare-prefix-for-mode 'reason-mode "mg" "goto")
(spacemacs/declare-prefix-for-mode 'reason-mode "mh" "help/show")
(spacemacs/declare-prefix-for-mode 'reason-mode "mr" "refactor")
(spacemacs/declare-prefix-for-mode 'reason-mode "m=" "refmt")
(spacemacs/set-leader-keys-for-major-mode 'reason-mode
"cr" 'refmt
"==" 'refmt
"tr" 'spacemacs/toggle-reason-auto-refmt
"=mr" 'reason/refmt-ml-to-re
"=rm" 'reason/refmt-re-to-ml))))
(defun reasonml/pre-init-utop ()
(spacemacs|use-package-add-hook utop
:post-init
(add-hook
'reason-mode-hook
(lambda ()
(setq utop-command "rtop -emacs")
(setq utop-edit-command nil)
(setq utop-prompt 'reason/rtop-prompt)
(setq utop-initial-command "let myVar = \"Hello Reason!\";")
(setq utop-phrase-terminator ";")))
:post-config
(progn
(spacemacs/set-leader-keys-for-major-mode 'reason-mode
"er" 'utop-eval-region
"eb" 'utop-eval-buffer
"ee" 'utop-eval-phrase))))
;;; packages.el ends here