74 lines
2.4 KiB
EmacsLisp
74 lines
2.4 KiB
EmacsLisp
;;; syd-lang-haskell.el -*- lexical-binding: t; -*-
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(require 'syd-handle-repl)
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(require 'syd-handle-lookup)
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(defun syd-haskell-open-repl ()
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"Open a Haskell REPL."
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(interactive)
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(require 'inf-haskell)
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(run-haskell))
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(defun syd-haskell-evil-open-above ()
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"Opens a line above the current, following Haskell-mode's indentation"
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(interactive)
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(evil-beginning-of-line)
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(haskell-indentation-newline-and-indent)
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(evil-previous-line)
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(haskell-indentation-indent-line)
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(evil-append-line nil))
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(defun syd-haskell-evil-open-below ()
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"Opens a line below the current, following Haskell-mode's indentation"
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(interactive)
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(evil-append-line nil)
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(haskell-indentation-newline-and-indent))
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(use-package haskell-mode
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:mode (("\\.l?hs'" . haskell-literate-mode)
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("\\.hs'" . haskell-mode))
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:custom (; Show errors in REPL, not popup buffers.
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(haskell-interactive-popup-errors nil)
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(haskell-process-suggest-remove-import-line t)
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(haskell-process-auto-import-loaded-modules t))
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:general
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;; DEPRECATED: Remove once a `map!' equivalent is implemented.
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(:keymaps 'haskell-mode-map
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:states '(normal visual motion emacs insert)
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:major-modes t
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:prefix syd-localleader-key
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:non-normal-prefix syd-alt-localleader-key
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"c" #'haskell-cabal-visit-file
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"h s" #'haskell-hoogle-start-server
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"h q" #'haskell-hoogle-kill-server)
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(:keymaps 'interactive-haskell-mode-map
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:states '(normal insert)
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"C-j" #'haskell-interactive-mode-history-next
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"C-k" #'haskell-interactive-mode-history-previous)
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(:keymaps 'haskell-mode-map
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:states 'normal
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[remap evil-open-above] #'syd-haskell-evil-open-above
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[remap evil-open-below] #'syd-haskell-evil-open-below)
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:config
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(set-repl-handler! '(haskell-mode haskell-cabal-mode literate-haskell-mode)
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#'syd-haskell-open-repl
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;; Haskell-mode provides IDE features by communicating with a persistent
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;; REPL process à la Lisp.
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:persist t)
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(add-to-list 'completion-ignored-extensions ".hi")
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;; Don't kill REPL popup on ESC/C-g
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(set-popup-rule! "^\\*haskell\\*" :quit nil)
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(syd-add-hook 'haskell-mode-local-vars-hook
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;; Folding of Haskell sections.
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#'haskell-collapse-mode
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#'interactive-haskell-mode))
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(use-package lsp-haskell
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:defer t
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:init
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(add-hook 'haskell-mode-local-vars-hook #'lsp 'append)
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(add-hook 'haskell-literate-mode-local-vars-hook #'lsp 'append))
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(provide 'syd-lang-haskell)
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