84 lines
3.6 KiB
EmacsLisp
84 lines
3.6 KiB
EmacsLisp
(defvar haskell-packages '(haskell-mode)
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"List of all packages to install and/or initialize. Built-in packages
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which require an initialization must be listed explicitly in the list.")
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(defun haskell/init-haskell-mode ()
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(require 'haskell-yas)
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(use-package haskell-mode
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:defer t
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:config
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(progn
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;; Customization
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(custom-set-variables
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;; Use cabal-dev for the GHCi session. Ensures our dependencies are in scope.
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'(haskell-process-type 'cabal-dev)
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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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;; To enable stylish on save.
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'(haskell-stylish-on-save t))
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(add-hook 'haskell-mode-hook 'haskell-hook)
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(add-hook 'haskell-cabal-mode-hook 'haskell-cabal-hook)
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;; Haskell main editing mode key bindings.
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(defun haskell-hook ()
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;; Use simple indentation.
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(turn-on-haskell-simple-indent)
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(define-key haskell-mode-map (kbd "<return>") 'haskell-simple-indent-newline-same-col)
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(define-key haskell-mode-map (kbd "C-<return>") 'haskell-simple-indent-newline-indent)
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;; Load the current file (and make a session if not already made).
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(define-key haskell-mode-map [?\C-c ?\C-l] 'haskell-process-load-file)
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(define-key haskell-mode-map [f5] 'haskell-process-load-file)
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;; Switch to the REPL.
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(define-key haskell-mode-map [?\C-c ?\C-z] 'haskell-interactive-switch)
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;; “Bring” the REPL, hiding all other windows apart from the source
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;; and the REPL.
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(define-key haskell-mode-map (kbd "C-`") 'haskell-interactive-bring)
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;; Build the Cabal project.
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(define-key haskell-mode-map (kbd "C-c C-c") 'haskell-process-cabal-build)
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;; Interactively choose the Cabal command to run.
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(define-key haskell-mode-map (kbd "C-c c") 'haskell-process-cabal)
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;; Get the type and info of the symbol at point, print it in the
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;; message buffer.
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(define-key haskell-mode-map (kbd "C-c C-t") 'haskell-process-do-type)
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(define-key haskell-mode-map (kbd "C-c C-i") 'haskell-process-do-info)
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;; Contextually do clever things on the space key, in particular:
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;; 1. Complete imports, letting you choose the module name.
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;; 2. Show the type of the symbol after the space.
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(define-key haskell-mode-map (kbd "SPC") 'haskell-mode-contextual-space)
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;; Jump to the imports. Keep tapping to jump between import
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;; groups. C-u f8 to jump back again.
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(define-key haskell-mode-map [f8] 'haskell-navigate-imports)
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;; Jump to the definition of the current symbol.
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(define-key haskell-mode-map (kbd "M-.") 'haskell-mode-tag-find)
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;; Indent the below lines on columns after the current column.
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(define-key haskell-mode-map (kbd "C-<right>")
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(lambda ()
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(interactive)
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(haskell-move-nested 1)))
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;; Same as above but backwards.
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(define-key haskell-mode-map (kbd "C-<left>")
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(lambda ()
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(interactive)
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(haskell-move-nested -1))))
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;; Useful to have these keybindings for .cabal files, too.
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(defun haskell-cabal-hook ()
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(define-key haskell-cabal-mode-map (kbd "C-c C-c") 'haskell-process-cabal-build)
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(define-key haskell-cabal-mode-map (kbd "C-c c") 'haskell-process-cabal)
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(define-key haskell-cabal-mode-map (kbd "C-`") 'haskell-interactive-bring)
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(define-key haskell-cabal-mode-map [?\C-c ?\C-z] 'haskell-interactive-switch)))))
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