;; ~/.emacs.d/elisp/haskell-init.el

;; Luke Hoersten <[email protected]>

;; Require packages

(require 'package-require)

(package-require '(haskell-mode yasnippet haskell-snippets flycheck shm))

(add-to-list 'load-path "~/.emacs.d/elisp/stack-mode")

;; Load haskell-mode from source

;; (add-to-list 'load-path "~/Code/elisp/haskell-mode/")

;; (require 'haskell-mode-autoloads)

(require 'haskell)

(require 'haskell-mode)

(require 'stack-mode)

(require 'haskell-interactive-mode)

(require 'haskell-snippets)

(require 'shm)

(defun haskell-who-calls (&optional prompt)

  "Grep the codebase to see who uses the symbol at point."

  (interactive "P")

  (let ((sym (if prompt

                 (read-from-minibuffer "Look for: ")

               (haskell-ident-at-point))))

    (let ((existing (get-buffer "*who-calls*")))

      (when existing

        (kill-buffer existing)))

    (let ((buffer

           (grep-find (format "cd %s && find . -name '*.hs' -exec grep -inH -e %s {} +"

                              (haskell-session-current-dir (haskell-session))

                              sym))))

      (with-current-buffer buffer

        (rename-buffer "*who-calls*")

        (switch-to-buffer-other-window buffer)))))

;;; haskell-mode

(add-hook

 'haskell-mode-hook

 (lambda ()

   ;; (imenu-add-menubar-index)

   ;; (haskell-indentation-mode t)

   (stack-mode)

   (subword-mode)

   (structured-haskell-mode t)

   (set-face-background 'shm-quarantine-face "lemonchiffon")

;; keys

(define-key haskell-mode-map (kbd "M-,") 'haskell-who-calls)

(define-key haskell-mode-map (kbd "C-c i") 'haskell-navigate-imports)

(define-key haskell-mode-map (kbd "C-c C-d") 'haskell-describe)

(define-key haskell-mode-map (kbd "C-c C-c") 'haskell-process-load-or-reload)

(define-key haskell-mode-map (kbd "C-`") 'haskell-interactive-bring)

(define-key haskell-cabal-mode-map (kbd "C-`") 'haskell-interactive-bring)

(define-key haskell-interactive-mode-map (kbd "C-c C-i") 'haskell-process-do-info)

(define-key haskell-interactive-mode-map (kbd "C-c C-t") 'haskell-process-do-type)

;; keys shm

(define-key shm-map (kbd "C-c C-p") 'shm/expand-pattern)

(define-key shm-map (kbd "C-c C-s") 'shm/case-split)

(define-key shm-map (kbd "C-\\") 'shm/goto-last-point)

(message "Loading haskell-init...done")

(provide 'haskell-init)