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spacemacs/layers/+lang/haskell/packages.el
2021-04-04 19:00:40 +02:00

339 lines
12 KiB
EmacsLisp

;;; packages.el --- Haskell Layer packages File for Spacemacs
;;
;; Copyright (c) 2012-2021 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(setq haskell-packages
'(
cmm-mode
company
(company-cabal :requires company)
;; dante completion backend
(dante :requires company)
;; dante auto refactor companion
(attrap :requires dante)
lsp-haskell
flycheck
(flycheck-haskell :requires flycheck)
ggtags
haskell-mode
haskell-snippets
counsel-gtags
helm-gtags
(helm-hoogle :requires helm)
hindent
hlint-refactor))
(defun haskell/init-lsp-haskell ()
(use-package lsp-haskell
:defer t))
(defun haskell/init-cmm-mode ()
(use-package cmm-mode
:defer t))
(defun haskell/post-init-company ()
(add-hook 'haskell-mode-local-vars-hook #'spacemacs-haskell//setup-company)
(add-hook 'haskell-literate-mode-local-vars-hook #'spacemacs-haskell//setup-company)
;; renamed as of 04/2020, delete in due course
(add-hook 'literate-haskell-mode-local-vars-hook #'spacemacs-haskell//setup-company))
(defun haskell/init-company-cabal ()
(use-package company-cabal
:defer t
:init
(spacemacs|add-company-backends
:backends company-cabal
:modes haskell-cabal-mode)))
(defun haskell/init-dante ()
(use-package dante
:defer t
:config
(progn
(dolist (mode haskell-modes)
(spacemacs/set-leader-keys-for-major-mode mode
"gb" 'xref-pop-marker-stack
"ht" 'dante-type-at
"hT" 'spacemacs-haskell//dante-insert-type
"hi" 'dante-info
"rs" 'dante-auto-fix
"se" 'dante-eval-block
"sr" 'dante-restart)))))
(defun haskell/init-attrap ()
(use-package attrap
:defer t))
(defun haskell/init-helm-hoogle ()
(use-package helm-hoogle
:defer t
:init
(dolist (mode haskell-modes)
(spacemacs/set-leader-keys-for-major-mode mode "hf" 'helm-hoogle))))
(defun haskell/post-init-flycheck ()
(progn
(add-hook 'dante-mode-hook
(lambda () (flycheck-add-next-checker 'haskell-dante '(warning . haskell-hlint))))
(spacemacs/enable-flycheck 'haskell-mode)))
(defun haskell/init-flycheck-haskell ()
(use-package flycheck-haskell
:commands flycheck-haskell-configure
:init (add-hook 'flycheck-mode-hook 'flycheck-haskell-configure)))
(defun haskell/post-init-ggtags ()
(add-hook 'haskell-mode-local-vars-hook #'spacemacs/ggtags-mode-enable)
(add-hook 'haskell-literate-mode-local-vars-hook #'spacemacs/ggtags-mode-enable)
;; renamed as of 04/2020, delete in due course
(add-hook 'literate-haskell-mode-local-vars-hook #'spacemacs/ggtags-mode-enable))
(defun haskell/init-haskell-mode ()
(use-package haskell-mode
:defer t
:init
(progn
(add-hook 'haskell-mode-local-vars-hook #'spacemacs-haskell//setup-backend)
(add-hook 'haskell-literate-mode-local-vars-hook #'spacemacs-haskell//setup-backend)
;; renamed as of 04/2020, delete in due course
(add-hook 'literate-haskell-mode-local-vars-hook #'spacemacs-haskell//setup-backend)
(defun spacemacs//force-haskell-mode-loading ()
"Force `haskell-mode' loading when visiting cabal file."
(require 'haskell-mode))
(add-hook 'haskell-cabal-mode-hook
'spacemacs//force-haskell-mode-loading)
;; Haskell cabal files interact badly with electric-indent-mode
;; note: we cannot add this hook in :config, since haskell-mode might
;; only be loaded after cabal-mode hooks are already run (see add-hook above)
(add-hook 'haskell-cabal-mode-hook #'spacemacs-haskell//disable-electric-indent)
(setq
;; Use notify.el (if you have it installed) at the end of running
;; Cabal commands or generally things worth notifying.
haskell-notify-p t
;; Remove annoying error popups
haskell-interactive-popup-errors nil
;; Better import handling
haskell-process-suggest-remove-import-lines t
haskell-process-auto-import-loaded-modules t
;; Disable haskell-stylish-on-save, as it breaks flycheck highlighting.
;; NOTE: May not be true anymore - taksuyu 2015-10-06
haskell-stylish-on-save nil))
:config
(progn
(defun spacemacs/haskell-interactive-bring ()
"Bring up the interactive mode for this session without
switching to it."
(interactive)
(let* ((session (haskell-session))
(buffer (haskell-session-interactive-buffer session)))
(display-buffer buffer)))
;; hooks
(add-hook 'haskell-mode-hook #'spacemacs-haskell//disable-electric-indent)
;; prefixes
(dolist (mode haskell-modes)
(spacemacs/declare-prefix-for-mode mode "mg" "haskell/navigation")
(spacemacs/declare-prefix-for-mode mode "ms" "haskell/repl")
(spacemacs/declare-prefix-for-mode mode "mc" "haskell/cabal")
(spacemacs/declare-prefix-for-mode mode "mh" "haskell/documentation")
(spacemacs/declare-prefix-for-mode mode "md" "haskell/debug")
(spacemacs/declare-prefix-for-mode mode "mr" "haskell/refactor"))
(spacemacs/declare-prefix-for-mode 'haskell-interactive-mode "ms" "haskell/repl")
(spacemacs/declare-prefix-for-mode 'haskell-cabal-mode "ms" "haskell/repl")
;; key bindings
(defun spacemacs/haskell-process-do-type-on-prev-line ()
(interactive)
(haskell-process-do-type 1))
;; repl key bindings
(evil-define-key 'insert haskell-interactive-mode-map
(kbd "C-j") 'haskell-interactive-mode-history-next
(kbd "C-k") 'haskell-interactive-mode-history-previous
(kbd "C-l") 'haskell-interactive-mode-clear)
;; Bind repl
(spacemacs/register-repl 'haskell
'haskell-interactive-switch "haskell")
(dolist (mode haskell-modes)
(spacemacs/set-leader-keys-for-major-mode mode
"sb" 'haskell-process-load-file
"sc" 'haskell-interactive-mode-clear
"sS" 'spacemacs/haskell-interactive-bring
"ss" 'haskell-interactive-switch
"st" 'haskell-session-change-target
"'" 'haskell-interactive-switch
"ca" 'haskell-process-cabal
"cb" 'haskell-process-cabal-build
"cc" 'haskell-compile
"cv" 'haskell-cabal-visit-file
"hd" 'inferior-haskell-find-haddock
"hi" 'haskell-process-do-info
"ht" 'haskell-process-do-type
"hT" 'spacemacs/haskell-process-do-type-on-prev-line
"da" 'haskell-debug/abandon
"db" 'haskell-debug/break-on-function
"dB" 'haskell-debug/delete
"dc" 'haskell-debug/continue
"dd" 'haskell-debug
"dn" 'haskell-debug/next
"dN" 'haskell-debug/previous
"dp" 'haskell-debug/previous
"dr" 'haskell-debug/refresh
"ds" 'haskell-debug/step
"dt" 'haskell-debug/trace
"ri" 'spacemacs/haskell-format-imports)
(if (eq haskell-completion-backend 'lsp)
(spacemacs/set-leader-keys-for-major-mode mode
"gl" 'haskell-navigate-imports
"S" 'haskell-mode-stylish-buffer
"hg" 'hoogle
"hG" 'haskell-hoogle-lookup-from-local)
(spacemacs/set-leader-keys-for-major-mode mode
"gi" 'haskell-navigate-imports
"F" 'haskell-mode-stylish-buffer
"hh" 'hoogle
"hG" 'haskell-hoogle-lookup-from-local)))
(evilified-state-evilify haskell-debug-mode haskell-debug-mode-map
"RET" 'haskell-debug/select
"a" 'haskell-debug/abandon
"b" 'haskell-debug/break-on-function
"c" 'haskell-debug/continue
"d" 'haskell-debug/delete
"i" 'haskell-debug/step
"s" 'haskell-debug/next
"S" 'haskell-debug/previous
"r" 'haskell-debug/refresh
"t" 'haskell-debug/trace)
;; configure C-c C-l so it doesn't throw any errors
(bind-key "C-c C-l" 'haskell-process-load-file haskell-mode-map)
(bind-key "C-c C-z" 'haskell-interactive-switch haskell-mode-map)
;; Switch back to editor from REPL
(spacemacs/set-leader-keys-for-major-mode 'haskell-interactive-mode
"ss" 'haskell-interactive-switch-back)
;; Compile
(spacemacs/set-leader-keys-for-major-mode 'haskell-cabal
"C" 'haskell-compile)
;; Cabal-file bindings
(spacemacs/set-leader-keys-for-major-mode 'haskell-cabal-mode
;; "=" 'haskell-cabal-subsection-arrange-lines ;; Does a bad job, 'gg=G' works better
"d" 'haskell-cabal-add-dependency
"b" 'haskell-cabal-goto-benchmark-section
"e" 'haskell-cabal-goto-executable-section
"t" 'haskell-cabal-goto-test-suite-section
"m" 'haskell-cabal-goto-exposed-modules
"l" 'haskell-cabal-goto-library-section
"n" 'haskell-cabal-next-subsection
"p" 'haskell-cabal-previous-subsection
"sc" 'haskell-interactive-mode-clear
"sS" 'spacemacs/haskell-interactive-bring
"ss" 'haskell-interactive-switch
"N" 'haskell-cabal-next-section
"P" 'haskell-cabal-previous-section
"f" 'haskell-cabal-find-or-create-source-file)
;; Make "RET" behaviour in REPL saner
(evil-define-key 'insert haskell-interactive-mode-map
(kbd "RET") 'haskell-interactive-mode-return)
(evil-define-key 'normal haskell-interactive-mode-map
(kbd "RET") 'haskell-interactive-mode-return))
;; align rules for Haskell
(with-eval-after-load 'align
(add-to-list 'align-rules-list
'(haskell-types
(regexp . "\\(\\s-+\\)\\(::\\|∷\\)\\s-+")
(modes . haskell-modes)))
(add-to-list 'align-rules-list
'(haskell-assignment
(regexp . "\\(\\s-+\\)=\\s-+")
(modes . haskell-modes)))
(add-to-list 'align-rules-list
'(haskell-arrows
(regexp . "\\(\\s-+\\)\\(->\\|→\\)\\s-+")
(modes . haskell-modes)))
(add-to-list 'align-rules-list
'(haskell-left-arrows
(regexp . "\\(\\s-+\\)\\(<-\\|←\\)\\s-+")
(modes . haskell-modes))))))
(defun haskell/init-haskell-snippets ()
;; manually load the package since the current implementation is not lazy
;; loading friendly (funny coming from the haskell mode :-))
(setq haskell-snippets-dir
(configuration-layer/get-elpa-package-install-directory
'haskell-snippets))
(defun haskell-snippets-initialize ()
(let ((snip-dir (expand-file-name "snippets" haskell-snippets-dir)))
(add-to-list 'yas-snippet-dirs snip-dir t)
(yas-load-directory snip-dir)))
(with-eval-after-load 'yasnippet (haskell-snippets-initialize)))
(defun haskell/post-init-counsel-gtags ()
(spacemacs/counsel-gtags-define-keys-for-mode 'haskell-mode))
(defun haskell/post-init-helm-gtags ()
(spacemacs/helm-gtags-define-keys-for-mode 'haskell-mode))
;; doesn't support haskell-literate-mode :(
(defun haskell/init-hindent ()
(use-package hindent
:defer t
:if haskell-enable-hindent
:init
(add-hook 'haskell-mode-hook #'hindent-mode)
:config
(progn
(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
"f" 'hindent-reformat-decl-or-fill))))
(defun haskell/init-hlint-refactor ()
(use-package hlint-refactor
:defer t
:init
(progn
(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
"rb" 'hlint-refactor-refactor-buffer
"rr" 'hlint-refactor-refactor-at-point))))