spacemacs/layers/+lang/haskell/funcs.el
2019-04-11 13:18:42 +02:00

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;;; funcs.el --- Haskell Layer funcs File for Spacemacs
;;
;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(defun spacemacs-haskell//disable-electric-indent ()
"Disable electric indent mode if available"
;; use only internal indentation system from haskell
(if (fboundp 'electric-indent-local-mode)
(electric-indent-local-mode -1)))
(defun spacemacs/haskell-format-imports ()
"Sort and align import statements from anywhere in the source file."
(interactive)
(save-excursion
(haskell-navigate-imports)
(haskell-mode-format-imports)))
;; Completion setup functions
(defun spacemacs-haskell//setup-backend ()
"Conditionally setup haskell backend."
(pcase haskell-completion-backend
(`ghci (spacemacs-haskell//setup-ghci))
(`intero (spacemacs-haskell//setup-intero))
(`dante (spacemacs-haskell//setup-dante))
(`ghc-mod (spacemacs-haskell//setup-ghc-mod))))
(defun spacemacs-haskell//setup-company ()
"Conditionally setup haskell backend."
(pcase haskell-completion-backend
(`ghci (spacemacs-haskell//setup-ghci-company))
(`intero (spacemacs-haskell//setup-intero-company))
(`dante (spacemacs-haskell//setup-dante-company))
(`ghc-mod (spacemacs-haskell//setup-ghc-mod-company))))
;; ghci functions
(defun spacemacs-haskell//setup-ghci ()
(interactive-haskell-mode))
(defun spacemacs-haskell//setup-ghci-company ()
(spacemacs|add-company-backends
:backends (company-ghci company-dabbrev-code company-yasnippet)
:modes haskell-mode))
;; ghc-mod functions
(defun spacemacs-haskell//setup-ghc-mod ()
(ghc-init))
(defun spacemacs-haskell//setup-ghc-mod-company ()
(spacemacs|add-company-backends
:backends (company-ghc company-dabbrev-code company-yasnippet)
:modes haskell-mode))
;; Dante functions
(defun spacemacs-haskell//setup-dante ()
(dante-mode)
(add-to-list 'spacemacs-jump-handlers-haskell-mode 'xref-find-definitions))
(defun spacemacs-haskell//setup-dante-company ()
(spacemacs|add-company-backends
:backends (dante-company company-dabbrev-code company-yasnippet)
:modes haskell-mode))
(defun spacemacs-haskell//dante-insert-type ()
(interactive)
(dante-type-at :insert))
;; Intero functions
(defun spacemacs-haskell//setup-intero ()
(interactive-haskell-mode)
(intero-mode)
(add-to-list 'spacemacs-jump-handlers-haskell-mode 'intero-goto-definition))
(defun spacemacs-haskell//setup-intero-company ()
(spacemacs|add-company-backends
:backends (company-intero company-dabbrev-code company-yasnippet)
:modes haskell-mode))
(defun haskell-intero/insert-type ()
(interactive)
(intero-type-at :insert))
(defun haskell-intero/display-repl (&optional prompt-options)
(interactive "P")
(let ((buffer (intero-repl-buffer prompt-options t)))
(unless (get-buffer-window buffer 'visible)
(display-buffer buffer))))
(defun haskell-intero/pop-to-repl (&optional prompt-options)
(interactive "P")
(pop-to-buffer (intero-repl-buffer prompt-options t)))
(defun haskell-intero//preserve-focus (f &rest args)
(let ((buffer (current-buffer)))
(apply f args)
(pop-to-buffer buffer)))