This repository has been archived on 2024-10-22. You can view files and clone it, but cannot push or open issues or pull requests.
spacemacs/layers/+lang/haskell/packages.el

337 lines
12 KiB
EmacsLisp

;;; packages.el --- Haskell Layer packages File for Spacemacs
;;
;; Copyright (c) 2012-2016 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
(setq haskell-packages
'(
cmm-mode
company
company-cabal
company-ghc
flycheck
flycheck-haskell
ghc
haskell-mode
haskell-snippets
helm-hoogle
hindent
shm
))
(defun haskell/init-cmm-mode ()
(use-package cmm-mode
:defer t))
(setq haskell-modes '(haskell-mode literate-haskell-mode))
(when (configuration-layer/layer-usedp 'spacemacs-helm)
(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 ()
(spacemacs/add-flycheck-hook 'haskell-mode))
(when (configuration-layer/layer-usedp 'syntax-checking)
(defun haskell/init-flycheck-haskell ()
(use-package flycheck-haskell
:if (configuration-layer/package-usedp 'flycheck)
:commands flycheck-haskell-configure
:init (add-hook 'flycheck-mode-hook 'flycheck-haskell-configure))))
(defun haskell/init-ghc ()
(use-package ghc
:defer t
:if haskell-enable-ghc-mod-support
:init (add-hook 'haskell-mode-hook 'ghc-init)
:config
(progn
(dolist (mode haskell-modes)
(spacemacs/declare-prefix-for-mode mode "mm" "haskell/ghc-mod")
(spacemacs/set-leader-keys-for-major-mode mode
"mt" 'ghc-insert-template-or-signature
"mu" 'ghc-initial-code-from-signature
"ma" 'ghc-auto
"mf" 'ghc-refine
"me" 'ghc-expand-th
"mn" 'ghc-goto-next-hole
"mp" 'ghc-goto-prev-hole
"m>" 'ghc-make-indent-deeper
"m<" 'ghc-make-indent-shallower))
(when (configuration-layer/package-usedp 'flycheck)
;; remove overlays from ghc-check.el if flycheck is enabled
(set-face-attribute 'ghc-face-error nil :underline nil)
(set-face-attribute 'ghc-face-warn nil :underline nil)))))
(defun haskell/init-haskell-mode ()
(use-package haskell-mode
:defer t
:init
(progn
(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))
(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
;; To enable tags generation on save.
haskell-tags-on-save 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
;; Haskell main editing mode key bindings.
(defun spacemacs/init-haskell-mode ()
;; use only internal indentation system from haskell
(if (fboundp 'electric-indent-local-mode)
(electric-indent-local-mode -1))
(when haskell-enable-shm-support
;; in structured-haskell-mode line highlighting creates noise
(setq-local global-hl-line-mode nil)))
(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/init-haskell-mode)
(unless haskell-enable-ghc-mod-support
(add-hook 'haskell-mode-hook 'interactive-haskell-mode))
;; 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 '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)
(if haskell-enable-ghci-ng-support
(haskell-mode-show-type-at 1)
(haskell-process-do-type 1)))
(dolist (mode haskell-modes)
(spacemacs/set-leader-keys-for-major-mode mode
"gg" 'haskell-mode-jump-to-def-or-tag
"gi" 'haskell-navigate-imports
"f" 'haskell-mode-stylish-buffer
"sb" 'haskell-process-load-file
"sc" 'haskell-interactive-mode-clear
"ss" 'spacemacs/haskell-interactive-bring
"sS" '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
"hh" 'hoogle
"hH" 'haskell-hoogle-lookup-from-local
"hi" (lookup-key haskell-mode-map (kbd "C-c TAB"))
"ht" (lookup-key haskell-mode-map (kbd "C-c C-t"))
"hT" 'spacemacs/haskell-process-do-type-on-prev-line
"hy" 'hayoo
"dd" 'haskell-debug
"db" 'haskell-debug/break-on-function
"dn" 'haskell-debug/next
"dN" 'haskell-debug/previous
"dB" 'haskell-debug/delete
"dc" 'haskell-debug/continue
"da" 'haskell-debug/abandon
"dr" 'haskell-debug/refresh))
;; 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)
;; 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)
;;GHCi-ng
(when haskell-enable-ghci-ng-support
;; haskell-process-type is set to auto, so setup ghci-ng for either case
;; if haskell-process-type == cabal-repl
(setq haskell-process-args-cabal-repl '("--ghc-option=-ferror-spans" "--with-ghc=ghci-ng"))
;; if haskell-process-type == GHCi
(setq haskell-process-path-ghci "ghci-ng")
;; fixes ghci-ng for stack projects
(setq haskell-process-wrapper-function
(lambda (args)
(append args (list "--with-ghc" "ghci-ng"))))
(dolist (mode haskell-modes)
(spacemacs/set-leader-keys-for-major-mode mode
;; function suggested in
;; https://github.com/chrisdone/ghci-ng#using-with-haskell-mode
"u" 'haskell-mode-find-uses
"ht" 'haskell-mode-show-type-at
"gg" 'haskell-mode-goto-loc))
;; Useful to have these keybindings for .cabal files, too.
(with-eval-after-load 'haskell-cabal-mode-map
(define-key haskell-cabal-mode-map
[?\C-c ?\C-z] 'haskell-interactive-switch))))
;; 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 (spacemacs//get-package-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)))
;; doesn't support literate-haskell-mode :(
(defun haskell/init-hindent ()
(use-package hindent
:defer t
:if (stringp haskell-enable-hindent-style)
:init
(add-hook 'haskell-mode-hook #'hindent-mode)
:config
(progn
(setq hindent-style haskell-enable-hindent-style)
(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
"F" 'hindent-reformat-decl))))
(defun haskell/init-shm ()
(use-package shm
:defer t
:if haskell-enable-shm-support
:init
(add-hook 'haskell-mode-hook 'structured-haskell-mode)
:config
(progn
(when (require 'shm-case-split nil 'noerror)
;;TODO: Find some better bindings for case-splits
(define-key shm-map (kbd "C-c S") 'shm/case-split)
(define-key shm-map (kbd "C-c C-s") 'shm/do-case-split))
(evil-define-key 'normal shm-map
(kbd "RET") nil
(kbd "C-k") nil
(kbd "C-j") nil
(kbd "D") 'shm/kill-line
(kbd "R") 'shm/raise
(kbd "P") 'shm/yank
(kbd "RET") 'shm/newline-indent
(kbd "RET") 'shm/newline-indent
(kbd "M-RET") 'evil-ret
)
(evil-define-key 'operator shm-map
(kbd ")") 'shm/forward-node
(kbd "(") 'shm/backward-node)
(evil-define-key 'motion shm-map
(kbd ")") 'shm/forward-node
(kbd "(") 'shm/backward-node)
(define-key shm-map (kbd "C-j") nil)
(define-key shm-map (kbd "C-k") nil))))
(when (configuration-layer/layer-usedp 'auto-completion)
(defun haskell/post-init-company ()
(spacemacs|add-company-hook haskell-mode)
(spacemacs|add-company-hook haskell-cabal-mode))
(defun haskell/init-company-ghc ()
(use-package company-ghc
:if (configuration-layer/package-usedp 'company)
:defer t
:init
(push (if haskell-enable-ghc-mod-support
'(company-ghc company-dabbrev-code company-yasnippet)
'(company-dabbrev-code company-yasnippet))
company-backends-haskell-mode)))
(defun haskell/init-company-cabal ()
(use-package company-cabal
:if (configuration-layer/package-usedp 'company)
:defer t
:init
(push '(company-cabal)
company-backends-haskell-cabal-mode))))