97 lines
2.6 KiB
EmacsLisp
97 lines
2.6 KiB
EmacsLisp
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc-command.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Apr 13, 2010
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;;; Code:
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(require 'ghc-process)
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(require 'ghc-check)
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(defun ghc-insert-template ()
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(interactive)
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(cond
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((bobp)
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(ghc-insert-module-template))
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((ghc-check-overlay-at (point))
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(ghc-check-insert-from-warning))
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(t
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(when (null (ghc-try-case-split))
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(message "Nothing to be done")))))
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(defun ghc-insert-module-template ()
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(let* ((fullname (file-name-sans-extension (buffer-file-name)))
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(rootdir (ghc-get-project-root))
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(len (length rootdir))
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(name (substring fullname (1+ len)))
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(file (file-name-sans-extension (buffer-name)))
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(case-fold-search nil)
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(mod (if (string-match "^[A-Z]" name)
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(ghc-replace-character name ?/ ?.)
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(if (string-match "^[a-z]" file)
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"Main"
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file))))
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(while (looking-at "^{-#")
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(forward-line))
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(insert "module " mod " where\n")))
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;; (defun ghc-capitalize (str)
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;; (let ((ret (copy-sequence str)))
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;; (aset ret 0 (upcase (aref ret 0)))
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;; ret))
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(defun ghc-sort-lines (beg end)
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(interactive "r")
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(save-excursion
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(save-restriction
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(narrow-to-region beg end)
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(goto-char (point-min))
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(let ((inhibit-field-text-motion t))
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(sort-subr nil 'forward-line 'end-of-line
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(lambda ()
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(re-search-forward "^import\\( *qualified\\)? *" nil t)
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nil)
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'end-of-line))
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(ghc-merge-lines))))
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(defun ghc-merge-lines ()
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(let ((case-fold-search nil))
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(goto-char (point-min))
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(while (not (eolp))
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;; qualified modlues are not merged at this moment.
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;; fixme if it is improper.
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(if (looking-at "^import *\\([A-Z][^ \n]+\\) *(\\(.*\\))$")
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(let ((mod (match-string-no-properties 1))
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(syms (match-string-no-properties 2))
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(beg (point)))
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(forward-line)
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(ghc-merge-line beg mod syms))
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(forward-line)))))
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(defun ghc-merge-line (beg mod syms)
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(let ((regex (concat "^import *" (regexp-quote mod) " *(\\(.*\\))$"))
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duplicated)
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(while (looking-at regex)
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(setq duplicated t)
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(setq syms (concat syms ", " (match-string-no-properties 1)))
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(forward-line))
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(when duplicated
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(delete-region beg (point))
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(insert "import " mod " (" syms ")\n"))))
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(defun ghc-save-buffer ()
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(interactive)
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;; fixme: better way then saving?
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(if ghc-check-command ;; hlint
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(if (buffer-modified-p)
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(call-interactively 'save-buffer))
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(unless buffer-read-only
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(set-buffer-modified-p t)
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(call-interactively 'save-buffer)))
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(ghc-check-syntax))
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(provide 'ghc-command)
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