41 lines
1.6 KiB
EmacsLisp
41 lines
1.6 KiB
EmacsLisp
;;; lang/haskell/+dante.el -*- lexical-binding: t; -*-
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;;;###if (featurep! +dante)
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(use-package! dante
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:hook (haskell-mode-local-vars . dante-mode)
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:init
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(setq dante-load-flags '(;; defaults:
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"+c"
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"-Wwarn=missing-home-modules"
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"-fno-diagnostics-show-caret"
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;; necessary to make attrap-attrap useful:
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"-Wall"
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;; necessary to make company completion useful:
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"-fdefer-typed-holes"
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"-fdefer-type-errors"))
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:config
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(when (featurep! :checkers syntax)
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(flycheck-add-next-checker 'haskell-dante '(warning . haskell-hlint)))
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(set-company-backend! 'dante-mode #'dante-company)
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(defadvice! +haskell--restore-modified-state-a (fn &rest args)
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"Marks the buffer as falsely modified.
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Dante quietly saves the current buffer (without triggering save hooks) before
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invoking flycheck, unexpectedly leaving the buffer in an unmodified state. This
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is annoying if we depend on save hooks to do work on the buffer (like
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reformatting)."
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:around #'dante-async-load-current-buffer
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(let ((modified-p (buffer-modified-p)))
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(apply fn args)
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(if modified-p (set-buffer-modified-p t))))
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(when (featurep 'evil)
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(add-hook 'dante-mode-hook #'evil-normalize-keymaps))
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(map! :map dante-mode-map
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:localleader
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"t" #'dante-type-at
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"i" #'dante-info
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"l" #'haskell-process-load-file
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"e" #'dante-eval-block
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"a" #'attrap-attrap))
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