ghc-mod/elisp/ghc-flymake.el

76 lines
2.2 KiB
EmacsLisp

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; ghc-flymake.el
;;;
;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Mar 12, 2010
;;; Code:
(require 'flymake)
(defvar ghc-error-buffer-name "*GHC Errors*")
(defvar ghc-flymake-allowed-file-name-masks
'("\\.l?hs$" ghc-flymake-init flymake-simple-cleanup flymake-get-real-file-name))
(defvar ghc-flymake-err-line-patterns
'("^\\(.*\\.l?hs\\):\\([0-9]+\\):\\([0-9]+\\):[ ]*\\(.+\\)" 1 2 3 4))
(add-to-list 'flymake-allowed-file-name-masks
ghc-flymake-allowed-file-name-masks)
(add-to-list 'flymake-err-line-patterns
ghc-flymake-err-line-patterns)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun ghc-flymake-init ()
(let ((after-save-hook nil))
(save-buffer))
(let ((file (file-name-nondirectory (buffer-file-name))))
(list ghc-module-command (append (ghc-module-command-args)
(list "check" file)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun ghc-display-errors ()
(interactive)
(let* ((data (ghc-flymake-data))
(buf (get-buffer-create ghc-error-buffer-name)))
(with-current-buffer buf
(erase-buffer)
(ghc-insert-errors data))
(display-buffer buf)))
(defun ghc-insert-errors (data)
(let ((title (nth 0 data))
(errs (nth 1 data)))
(insert title "\n")
(dolist (err errs)
(insert (ghc-replace-character (car err) 0 10) "\n"))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun ghc-flymake-insert-type ()
(interactive)
(let ((data (ghc-flymake-first-data)))
(if (and data
(string-match "Inferred type: \\([^:]+ :: \\)\\(forall [^.]+\\. \\)?\\([^\0]*\\)" data))
(progn
(beginning-of-line)
(insert (match-string 1 data) (match-string 3 data) "\n"))
(message "No inferred type"))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun ghc-flymake-data ()
(let* ((line-no (flymake-current-line-no))
(info (nth 0 (flymake-find-err-info flymake-err-info line-no))))
(flymake-make-err-menu-data line-no info)))
(defun ghc-flymake-first-data ()
(nth 0 (nth 0 (nth 1 (ghc-flymake-data)))))
(provide 'ghc-flymake)