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Support for multiple completions in Emacs

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This commit is contained in:
Alejandro Serrano 2014-08-02 10:27:40 +02:00
parent 3aa83e14dd
commit 5623c62200
2 changed files with 31 additions and 11 deletions
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1
elisp/ghc-check.el
View File

@ -256,6 +256,7 @@ nil does not display errors/warnings.
(define-button-type 'find-file-button
'follow-link t
'help-echo "mouse-2, RET: Go to definition"
'action #'find-file-button)
(defun buttonize-buffer ()

41
elisp/ghc-rewrite.el
View File

@ -75,7 +75,7 @@
;;; Auto
;;;
(defun ghc-perform-rewriting-auto (info)
(defun ghc-perform-rewriting-auto (info msg)
"Replace code with new string obtained from ghc-mod from auto mode"
(let* ((current-line (line-number-at-pos))
(begin-line (ghc-sinfo-get-beg-line info))
@ -87,15 +87,34 @@
(end-line-pos (line-beginning-position end-line-diff))
(end-pos (- (+ end-line-pos (ghc-sinfo-get-end-column info)) 1)) )
(delete-region begin-pos end-pos)
(insert (first (ghc-sinfo-get-info info))) )
)
(insert msg)))
(defun ghc-show-auto-messages (msgs)
(ghc-display-with-name nil
(lambda ()
(insert "Possible completions:\n")
(mapc (lambda (x) (insert "- " x "\n")) msgs))
"*Djinn completions*"))
(defun auto-button (button)
(let ((text (buffer-substring (button-start button) (button-end button))))
(with-current-buffer ghc-auto-buffer
(ghc-perform-rewriting-auto ghc-auto-info text))))
(define-button-type 'auto-button
'follow-link t
'help-echo "mouse-2, RET: Insert this completion"
'action #'auto-button)
(defun ghc-show-auto-messages (info)
(let ((buf (current-buffer)))
(setq ghc-auto-info info)
(setq ghc-auto-buffer buf)
(ghc-display nil
(lambda ()
(insert "Possible completions:\n")
(mapc
(lambda (x)
(let* ((ins1 (insert "- "))
(pos-begin (point))
(ins (insert x))
(pos-end (point))
(ins3 (insert "\n")))
(make-button pos-begin pos-end :type 'auto-button)))
(ghc-sinfo-get-info info))))))
(defun ghc-auto ()
"Try to automatically fill the contents of a hole"
@ -104,8 +123,8 @@
(if (null info)
(message "No automatic completions found")
(if (= (length (ghc-sinfo-get-info info)) 1)
(ghc-perform-rewriting-auto info)
(ghc-show-auto-messages (ghc-sinfo-get-info info))))))
(ghc-perform-rewriting-auto info (first (ghc-sinfo-get-info info)))
(ghc-show-auto-messages info)))))
(defun ghc-obtain-auto ()
(let* ((ln (int-to-string (line-number-at-pos)))