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;; ~/.emacs.d/elisp/haskell-init.el
;; Luke Hoersten <[email protected]>
;; Require packages
(require 'package-require)
(package-require '(haskell-mode hi2 flycheck)) ;; flycheck-haskell hindent shm
(require 'flycheck)
;; (eval-after-load 'flycheck
;; '(add-hook 'flycheck-mode-hook #'flycheck-haskell-setup))
;; (require 'flycheck-haskell)
(require 'haskell)
(require 'haskell-mode)
(require 'haskell-process)
(require 'haskell-flycheck)
(require 'haskell-interactive-mode)
(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)))))
(defun haskell-process-all-types ()
"List all types in a grep-mode buffer."
(interactive)
(let ((session (haskell-session)))
(switch-to-buffer (get-buffer-create (format "*%s:all-types*"
(haskell-session-name (haskell-session)))))
(setq haskell-session session)
(cd (haskell-session-current-dir session))
(let ((inhibit-read-only t))
(erase-buffer)
(let ((haskell-process-log nil))
(insert (haskell-process-queue-sync-request (haskell-process) ":all-types")))
(unless (eq major-mode 'compilation-mode)
(compilation-mode)
(setq compilation-error-regexp-alist
haskell-compilation-error-regexp-alist)))))
;;; haskell-mode
(add-hook
'haskell-mode-hook
(lambda ()
(imenu-add-menubar-index)
(flycheck-mode)
(flycheck-disable-checker `haskell-ghc)
(turn-on-hi2)
(interactive-haskell-mode)))
(custom-set-variables
'(capitalized-words-mode t)
'(haskell-stylish-on-save t)
'(hi2-layout-offset 4)
'(hi2-left-offset 4)
'(haskell-process-type 'cabal-repl)
'(haskell-process-args-cabal-repl '("--ghc-option=-ferror-spans" "--with-ghc=ghci-ng"))
'(haskell-process-path-ghci "ghci-ng")
'(haskell-process-args-ghci "-ferror-spans")
'(haskell-process-suggest-remove-import-lines t)
'(haskell-process-auto-import-loaded-modules t)
'(haskell-process-log t)
'(haskell-process-reload-with-fbytecode nil)
'(haskell-process-use-presentation-mode t)
'(haskell-process-suggest-haskell-docs-imports t)
'(haskell-process-suggest-hoogle-imports t)
'(haskell-process-generate-tags nil)
'(haskell-process-show-debug-tips nil)
'(haskell-notify-p t)
'(haskell-align-imports-pad-after-name t)
'(haskell-ask-also-kill-buffers t)
'(haskell-import-mapping t)
'(haskell-interactive-mode-eval-pretty t)
'(haskell-interactive-mode-scroll-to-bottom t)
'(haskell-interactive-mode-eval-mode 'haskell-mode))
;; haskell-interactive-mode keybindings
(define-key interactive-haskell-mode-map (kbd "C-c C-l") 'haskell-process-load-or-reload)
(define-key interactive-haskell-mode-map (kbd "M-,") 'haskell-who-calls)
(define-key interactive-haskell-mode-map (kbd "M-.") 'haskell-mode-goto-loc)
(define-key interactive-haskell-mode-map (kbd "C-?") 'haskell-mode-find-uses)
(define-key interactive-haskell-mode-map (kbd "C-`") 'haskell-interactive-bring)
(define-key interactive-haskell-mode-map (kbd "C-c C-k") 'haskell-interactive-mode-clear)
(define-key interactive-haskell-mode-map (kbd "C-c C-c") 'haskell-process-cabal-build)
(define-key interactive-haskell-mode-map (kbd "C-c c") 'haskell-process-cabal)
(define-key interactive-haskell-mode-map (kbd "C-c C-t") 'haskell-mode-show-type-at)
(define-key haskell-interactive-mode-map (kbd "C-c C-i") 'haskell-process-do-info)
(define-key haskell-interactive-mode-map (kbd "C-<left>") 'haskell-interactive-mode-error-backward)
(define-key haskell-interactive-mode-map (kbd "C-<right>") 'haskell-interactive-mode-error-forward)
(define-key haskell-interactive-mode-map (kbd "C-c c") 'haskell-process-cabal)
(define-key haskell-mode-map (kbd "C-c C-l") 'haskell-process-load-or-reload)
(define-key haskell-mode-map (kbd "C-`") 'haskell-interactive-bring)
(define-key haskell-mode-map (kbd "C-c C-t") 'haskell-process-do-type)
(define-key haskell-mode-map (kbd "C-c C-i") 'haskell-process-do-info)
(define-key haskell-mode-map (kbd "C-c C-c") 'haskell-process-cabal-build)
(define-key haskell-mode-map (kbd "C-c C-d") 'haskell-describe)
(define-key haskell-mode-map (kbd "C-c C-k") 'haskell-interactive-mode-clear)
(define-key haskell-mode-map (kbd "C-c c") 'haskell-process-cabal)
(define-key haskell-mode-map (kbd "SPC") 'haskell-mode-contextual-space)
(define-key haskell-cabal-mode-map (kbd "C-`") 'haskell-interactive-bring)
(define-key haskell-cabal-mode-map (kbd "C-c C-k") 'haskell-interactive-mode-clear)
(define-key haskell-cabal-mode-map (kbd "C-c C-c") 'haskell-process-cabal-build)
(define-key haskell-cabal-mode-map (kbd "C-c c") 'haskell-process-cabal)
(message "Loading haskell-init...done")
(provide 'haskell-init)
;;;; Old haskell stuff
;; ;;; haskell-mode
;; (autoload 'ghc-init "ghc" nil t)
;; (add-hook
;; 'haskell-mode-hook
;; (lambda ()
;; (ghc-init)
;; (capitalized-words-mode t)
;; (turn-on-hi2)
;; (imenu-add-menubar-index)
;; (interactive-haskell-mode)
;; (local-set-key (kbd "C-c i") 'haskell-navigate-imports) ; go to imports. prefix to return
;; (local-set-key (kbd "M-p") 'move-line-up) ; need to override default M-p function
;; (local-set-key (kbd "M-n") 'move-line-down)
;; (local-set-key (kbd "C-1") 'ghc-display-errors)
;; (local-set-key (kbd "C-.") 'ghc-goto-next-error)
;; (local-set-key (kbd "C-,") 'ghc-goto-prev-error)
;; (define-key haskell-mode-map (kbd "C-c C-l") 'haskell-process-load-or-reload)
;; (define-key haskell-mode-map (kbd "C-`") 'haskell-interactive-bring)
;; (define-key haskell-mode-map (kbd "C-c C-t") 'haskell-process-do-type)
;; (define-key haskell-mode-map (kbd "C-c C-i") 'haskell-process-do-info)
;; (define-key haskell-mode-map (kbd "C-c C-c") 'haskell-process-cabal-build)
;; (define-key haskell-mode-map (kbd "C-c C-k") 'haskell-interactive-mode-clear)
;; (define-key haskell-mode-map (kbd "C-c c") 'haskell-process-cabal)
;; (define-key haskell-mode-map (kbd "SPC") 'haskell-mode-contextual-space)
;; (setq
;; ghc-ghc-options '("-isrc")
;; haskell-program-name "cabal repl"
;; haskell-stylish-on-save t
;; hi2-layout-offset 4
;; hi2-left-offset 4
;; whitespace-line-column 78
;; ;; haskell-process-type 'cabal-repl
;; haskell-process-suggest-remove-import-lines t
;; haskell-process-auto-import-loaded-modules t
;; haskell-process-log t
;; )))
;; ;;; ghci-mode
;; (add-hook 'inferior-haskell-mode-hook 'turn-on-ghci-completion)
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