spacemacs/layers/+lang/haskell/funcs.el

128 lines
3.9 KiB
EmacsLisp
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; 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))
(`lsp (spacemacs-haskell//setup-lsp))
(`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 completion backend."
(pcase haskell-completion-backend
(`ghci (spacemacs-haskell//setup-ghci-company))
(`lsp nil) ;; nothing to do, auto-configured by lsp-mode
(`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))
;; LSP functions
(defun spacemacs-haskell//setup-lsp ()
"Setup lsp backend"
(if (configuration-layer/layer-used-p 'lsp)
(progn
;; The functionality we require from this is not an autoload, but rather some
;; top-level code that registers a LSP server type. So we need to load it
;; directly and can't rely on it being autoloaded.
(require 'lsp-haskell)
(lsp))
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
;; 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)))