319 lines
12 KiB
EmacsLisp
319 lines
12 KiB
EmacsLisp
;;; packages.el --- Haskell Layer packages File for Spacemacs
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;;
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;; Copyright (c) 2012-2014 Sylvain Benner
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;; Copyright (c) 2014-2015 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(setq haskell-packages
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'(
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cmm-mode
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company
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company-ghc
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company-cabal
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flycheck
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flycheck-haskell
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ghc
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haskell-mode
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haskell-snippets
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hindent
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shm
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))
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(defun haskell/init-cmm-mode ()
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(use-package cmm-mode
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:defer t))
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(defun haskell/post-init-flycheck ()
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(spacemacs/add-flycheck-hook 'haskell-mode))
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(when (configuration-layer/layer-usedp 'syntax-checking)
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(defun haskell/init-flycheck-haskell ()
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(use-package flycheck-haskell
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:if (configuration-layer/package-usedp 'flycheck)
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:commands flycheck-haskell-configure
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:init (add-hook 'flycheck-mode-hook 'flycheck-haskell-configure))))
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(defun haskell/init-ghc ()
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(use-package ghc
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:defer t
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:if haskell-enable-ghc-mod-support
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:init (add-hook 'haskell-mode-hook 'ghc-init)
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:config
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(progn
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(spacemacs/declare-prefix-for-mode 'haskell-mode "mm" "haskell/ghc-mod")
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(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
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"mt" 'ghc-insert-template-or-signature
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"mu" 'ghc-initial-code-from-signature
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"ma" 'ghc-auto
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"mf" 'ghc-refine
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"me" 'ghc-expand-th
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"mn" 'ghc-goto-next-hole
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"mp" 'ghc-goto-prev-hole
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"m>" 'ghc-make-indent-deeper
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"m<" 'ghc-make-indent-shallower)
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(when (configuration-layer/package-usedp 'flycheck)
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;; remove overlays from ghc-check.el if flycheck is enabled
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(set-face-attribute 'ghc-face-error nil :underline nil)
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(set-face-attribute 'ghc-face-warn nil :underline nil)))))
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(defun haskell/init-haskell-mode ()
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(use-package haskell-mode
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:defer t
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:init
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(progn
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(defun spacemacs//force-haskell-mode-loading ()
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"Force `haskell-mode' loading when visiting cabal file."
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(require 'haskell-mode))
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(add-hook 'haskell-cabal-mode-hook
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'spacemacs//force-haskell-mode-loading))
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(setq
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;; Use notify.el (if you have it installed) at the end of running
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;; Cabal commands or generally things worth notifying.
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haskell-notify-p t
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;; To enable tags generation on save.
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haskell-tags-on-save t
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;; Remove annoying error popups
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haskell-interactive-popup-errors nil
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;; Better import handling
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haskell-process-suggest-remove-import-lines t
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haskell-process-auto-import-loaded-modules t
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;; Disable haskell-stylish-on-save, as it breaks flycheck highlighting.
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;; NOTE: May not be true anymore - taksuyu 2015-10-06
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haskell-stylish-on-save nil)
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:config
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(progn
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;; Haskell main editing mode key bindings.
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(defun spacemacs/init-haskell-mode ()
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;; use only internal indentation system from haskell
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(if (fboundp 'electric-indent-local-mode)
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(electric-indent-local-mode -1))
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(when haskell-enable-shm-support
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;; in structured-haskell-mode line highlighting creates noise
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(setq-local global-hl-line-mode nil)))
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(defun spacemacs/haskell-interactive-bring ()
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"Bring up the interactive mode for this session without
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switching to it."
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(interactive)
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(let* ((session (haskell-session))
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(buffer (haskell-session-interactive-buffer session)))
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(display-buffer buffer)))
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;; hooks
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(add-hook 'haskell-mode-hook 'spacemacs/init-haskell-mode)
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(add-hook 'haskell-cabal-mode-hook 'haskell-cabal-hook)
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(unless haskell-enable-ghc-mod-support
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(add-hook 'haskell-mode-hook 'interactive-haskell-mode))
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;; prefixes
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(spacemacs/declare-prefix-for-mode 'haskell-mode "mg" "haskell/navigation")
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(spacemacs/declare-prefix-for-mode 'haskell-mode "ms" "haskell/repl")
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(spacemacs/declare-prefix-for-mode 'haskell-mode "mc" "haskell/cabal")
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(spacemacs/declare-prefix-for-mode 'haskell-mode "mh" "haskell/documentation")
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(spacemacs/declare-prefix-for-mode 'haskell-mode "md" "haskell/debug")
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(spacemacs/declare-prefix-for-mode 'haskell-interactive-mode "ms" "haskell/repl")
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(spacemacs/declare-prefix-for-mode 'haskell-cabal-mode "ms" "haskell/repl")
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;; key bindings
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(defun spacemacs/haskell-process-do-type-on-prev-line ()
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(interactive)
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(if haskell-enable-ghci-ng-support
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(haskell-mode-show-type-at 1)
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(haskell-process-do-type 1)))
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(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
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"gg" 'haskell-mode-jump-to-def-or-tag
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"gi" 'haskell-navigate-imports
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"f" 'haskell-mode-stylish-buffer
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"sb" 'haskell-process-load-or-reload
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"sc" 'haskell-interactive-mode-clear
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"ss" 'spacemacs/haskell-interactive-bring
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"sS" 'haskell-interactive-switch
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"ca" 'haskell-process-cabal
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"cb" 'haskell-process-cabal-build
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"cc" 'haskell-compile
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"cv" 'haskell-cabal-visit-file
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"hd" 'inferior-haskell-find-haddock
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"hh" 'hoogle
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"hH" 'hoogle-lookup-from-local
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"mhi" (lookup-key haskell-mode-map (kbd "C-c TAB"))
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"mht" (lookup-key haskell-mode-map (kbd "C-c C-t"))
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"hT" 'spacemacs/haskell-process-do-type-on-prev-line
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"hy" 'hayoo
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"dd" 'haskell-debug
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"db" 'haskell-debug/break-on-function
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"dn" 'haskell-debug/next
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"dN" 'haskell-debug/previous
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"dB" 'haskell-debug/delete
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"dc" 'haskell-debug/continue
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"da" 'haskell-debug/abandon
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"dr" 'haskell-debug/refresh)
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;; configure C-c C-l so it doesn't throw any errors
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(bind-key "C-c C-l" 'haskell-process-load-or-reload haskell-mode-map)
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;; Switch back to editor from REPL
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(spacemacs/set-leader-keys-for-major-mode 'haskell-interactive-mode
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"sS" 'haskell-interactive-switch-back)
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;; Compile
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(spacemacs/set-leader-keys-for-major-mode 'haskell-cabal
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"C" 'haskell-compile)
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;; Cabal-file bindings
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(spacemacs/set-leader-keys-for-major-mode 'haskell-cabal-mode
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;; "=" 'haskell-cabal-subsection-arrange-lines ;; Does a bad job, 'gg=G' works better
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"d" 'haskell-cabal-add-dependency
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"b" 'haskell-cabal-goto-benchmark-section
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"e" 'haskell-cabal-goto-executable-section
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"t" 'haskell-cabal-goto-test-suite-section
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"m" 'haskell-cabal-goto-exposed-modules
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"l" 'haskell-cabal-goto-library-section
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"n" 'haskell-cabal-next-subsection
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"p" 'haskell-cabal-previous-subsection
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"sc" 'haskell-interactive-mode-clear
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"ss" 'spacemacs/haskell-interactive-bring
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"sS" 'haskell-interactive-switch
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"N" 'haskell-cabal-next-section
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"P" 'haskell-cabal-previous-section
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"f" 'haskell-cabal-find-or-create-source-file)
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;; Make "RET" behaviour in REPL saner
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(evil-define-key 'insert haskell-interactive-mode-map
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(kbd "RET") 'haskell-interactive-mode-return)
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(evil-define-key 'normal haskell-interactive-mode-map
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(kbd "RET") 'haskell-interactive-mode-return)
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;;GHCi-ng
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(when haskell-enable-ghci-ng-support
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;; haskell-process-type is set to auto, so setup ghci-ng for either case
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;; if haskell-process-type == cabal-repl
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(setq haskell-process-args-cabal-repl '("--ghc-option=-ferror-spans" "--with-ghc=ghci-ng"))
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;; if haskell-process-type == GHCi
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(setq haskell-process-path-ghci "ghci-ng")
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(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
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;; function suggested in
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;; https://github.com/chrisdone/ghci-ng#using-with-haskell-mode
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"u" 'haskell-mode-find-uses
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"ht" 'haskell-mode-show-type-at
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"gg" 'haskell-mode-goto-loc))
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;; Useful to have these keybindings for .cabal files, too.
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(with-eval-after-load 'haskell-cabal-mode-map
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(define-key haskell-cabal-mode-map
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[?\C-c ?\C-z] 'haskell-interactive-switch))))
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;; align rules for Haskell
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(with-eval-after-load 'align
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(add-to-list 'align-rules-list
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'(haskell-types
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(regexp . "\\(\\s-+\\)\\(::\\|∷\\)\\s-+")
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(modes . '(haskell-mode literate-haskell-mode))))
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(add-to-list 'align-rules-list
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'(haskell-assignment
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(regexp . "\\(\\s-+\\)=\\s-+")
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(modes . '(haskell-mode literate-haskell-mode))))
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(add-to-list 'align-rules-list
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'(haskell-arrows
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(regexp . "\\(\\s-+\\)\\(->\\|→\\)\\s-+")
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(modes . '(haskell-mode literate-haskell-mode))))
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(add-to-list 'align-rules-list
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'(haskell-left-arrows
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(regexp . "\\(\\s-+\\)\\(<-\\|←\\)\\s-+")
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(modes . '(haskell-mode literate-haskell-mode))))))
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(defun haskell/init-haskell-snippets ()
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;; manually load the package since the current implementation is not lazy
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;; loading friendly (funny coming from the haskell mode :-))
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(setq haskell-snippets-dir (spacemacs//get-package-directory
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'haskell-snippets))
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(defun haskell-snippets-initialize ()
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(let ((snip-dir (expand-file-name "snippets" haskell-snippets-dir)))
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(add-to-list 'yas-snippet-dirs snip-dir t)
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(yas-load-directory snip-dir)))
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(with-eval-after-load 'yasnippet (haskell-snippets-initialize)))
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(defun haskell/init-hindent ()
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(use-package hindent
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:defer t
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:if (stringp haskell-enable-hindent-style)
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:init
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(add-hook 'haskell-mode-hook #'hindent-mode)
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:config
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(progn
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(setq hindent-style haskell-enable-hindent-style)
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(spacemacs/set-leader-keys-for-major-mode 'haskell-mode
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"F" 'hindent-reformat-decl))))
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(defun haskell/init-shm ()
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(use-package shm
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:defer t
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:if haskell-enable-shm-support
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:init
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(add-hook 'haskell-mode-hook 'structured-haskell-mode)
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:config
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(progn
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(when (require 'shm-case-split nil 'noerror)
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;;TODO: Find some better bindings for case-splits
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(define-key shm-map (kbd "C-c S") 'shm/case-split)
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(define-key shm-map (kbd "C-c C-s") 'shm/do-case-split))
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(evil-define-key 'normal shm-map
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(kbd "RET") nil
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(kbd "C-k") nil
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(kbd "C-j") nil
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(kbd "D") 'shm/kill-line
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(kbd "R") 'shm/raise
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(kbd "P") 'shm/yank
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(kbd "RET") 'shm/newline-indent
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(kbd "RET") 'shm/newline-indent
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(kbd "M-RET") 'evil-ret
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)
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(evil-define-key 'operator shm-map
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(kbd ")") 'shm/forward-node
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(kbd "(") 'shm/backward-node)
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(evil-define-key 'motion shm-map
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(kbd ")") 'shm/forward-node
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(kbd "(") 'shm/backward-node)
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(define-key shm-map (kbd "C-j") nil)
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(define-key shm-map (kbd "C-k") nil))))
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(when (configuration-layer/layer-usedp 'auto-completion)
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(defun haskell/post-init-company ()
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(spacemacs|add-company-hook haskell-mode)
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(spacemacs|add-company-hook haskell-cabal-mode))
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(defun haskell/init-company-ghc ()
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(use-package company-ghc
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:if (configuration-layer/package-usedp 'company)
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:defer t
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:init
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(push (if haskell-enable-ghc-mod-support
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'(company-ghc company-dabbrev-code company-yasnippet)
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'(company-dabbrev-code company-yasnippet))
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company-backends-haskell-mode)))
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(defun haskell/init-company-cabal ()
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(use-package company-cabal
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:if (configuration-layer/package-usedp 'company)
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:defer t
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:init
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(push '(company-cabal)
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company-backends-haskell-cabal-mode))))
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