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M-t inserts inferred type!

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This commit is contained in:
Kazu Yamamoto 2010-03-14 22:39:45 +09:00
parent 91c04be421
commit 14ef0f8372
3 changed files with 43 additions and 19 deletions
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20
Check.hs
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@ -18,17 +18,23 @@ checkSyntax opt file = do
(_,_,herr,_) <- runInteractiveProcess (ghc opt) ["--make","-Wall",file,"-outputdir","dist/flymake","-o","dist/flymake/a.out"] Nothing Nothing
refine <$> hGetContents herr
where
refine = unfoldLines start . map (dropWhile isSpace) . filter (/="") . lines
start = (file `isPrefixOf`)
refine = unfoldLines . map shrinkSpaces . remove . lines
remove = filter (\x -> not ("Linking" `isPrefixOf` x))
. filter (\x -> not ("[" `isPrefixOf` x))
. filter (/="")
shrinkSpaces x
| isSpace (head x) = ' ' : dropWhile isSpace x
| otherwise = x
unfoldLines :: (String -> Bool) -> [String] -> String
unfoldLines _ [] = ""
unfoldLines p (x:xs) = x ++ unfold xs
unfoldLines :: [String] -> String
unfoldLines [] = ""
unfoldLines (x:xs) = x ++ unfold xs
where
unfold [] = "\n"
unfold (l:ls)
| p l = ('\n':l) ++ unfold ls
| otherwise = (' ' :l) ++ unfold ls
| isAlpha (head l) = ('\n':l) ++ unfold ls
| " Inferred" `isPrefixOf` l = "." ++ l ++ unfold ls
| otherwise = l ++ unfold ls
----------------------------------------------------------------

16
elisp/ghc-flymake.el
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@ -29,4 +29,20 @@
(list ghc-module-command (append (ghc-module-command-args)
(list "check" file)))))
(defun ghc-flymake-insert-type ()
(interactive)
(let ((data (ghc-flymake-data)))
(if (and data
(string-match "Inferred type: \\([^:]+ :: \\)\\(forall [^.]+\\. \\)?\\(.*\\)" 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))
(line-err-info-list (nth 0 (flymake-find-err-info flymake-err-info line-no)))
(menu-data (flymake-make-err-menu-data line-no line-err-info-list)))
(nth 0 (nth 0 (nth 1 menu-data)))))
(provide 'ghc-flymake)

26
elisp/ghc.el
View File

@ -30,12 +30,13 @@
;;; Customize Variables
;;;
(defvar ghc-completion-key "\e\t")
(defvar ghc-document-key "\e\C-d")
(defvar ghc-import-key "\e\C-m")
(defvar ghc-previous-key "\ep")
(defvar ghc-next-key "\en")
(defvar ghc-help-key "\e?")
(defvar ghc-completion-key "\e\t")
(defvar ghc-document-key "\e\C-d")
(defvar ghc-import-key "\e\C-m")
(defvar ghc-previous-key "\ep")
(defvar ghc-next-key "\en")
(defvar ghc-help-key "\e?")
(defvar ghc-insert-type-key "\et")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
@ -46,12 +47,13 @@
(defun ghc-init ()
(unless ghc-initialized
(define-key haskell-mode-map ghc-completion-key 'ghc-complete)
(define-key haskell-mode-map ghc-document-key 'ghc-browse-document)
(define-key haskell-mode-map ghc-import-key 'ghc-load-module-buffer)
(define-key haskell-mode-map ghc-previous-key 'flymake-goto-prev-error)
(define-key haskell-mode-map ghc-next-key 'flymake-goto-next-error)
(define-key haskell-mode-map ghc-help-key 'flymake-display-err-menu-for-current-line)
(define-key haskell-mode-map ghc-completion-key 'ghc-complete)
(define-key haskell-mode-map ghc-document-key 'ghc-browse-document)
(define-key haskell-mode-map ghc-import-key 'ghc-load-module-buffer)
(define-key haskell-mode-map ghc-previous-key 'flymake-goto-prev-error)
(define-key haskell-mode-map ghc-next-key 'flymake-goto-next-error)
(define-key haskell-mode-map ghc-help-key 'flymake-display-err-menu-for-current-line)
(define-key haskell-mode-map ghc-insert-type-key 'ghc-flymake-insert-type)
(ghc-comp-init)
(setq ghc-initialized t)))