ghc-mod/elisp/ghc-rewrite.el

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; ghc-rewrite.el
;;;
;; Author: Alejandro Serrano <trupill@gmail.com>
;; Created: Jun 17, 2014
;;; Code:
(require 'ghc-func)
(require 'ghc-process)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Case splitting
;;;
(ghc-defstruct sinfo beg-line beg-column end-line end-column info)
(defun ghc-case-split ()
(interactive)
(let ((info (ghc-obtain-case-split)))
(if (null info)
(message "Cannot split in cases")
(let ((varinfo (car info))
(declinfo (cadr info))
(cases (caddr info)))
(message cases)
)
)
)
)
(defun ghc-obtain-case-split ()
(let* ((ln (int-to-string (line-number-at-pos)))
(cn (int-to-string (1+ (current-column))))
(file (buffer-file-name))
(cmd (format "split %s %s %s\n" file ln cn)))
(ghc-sync-process cmd)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Initial code from signature
;;;
(defun ghc-initial-code-from-signature ()
(interactive)
(let ((info (ghc-obtain-initial-code-from-signature)))
(if (null info)
(message "Cannot obtain initial code")
(let* ((ln-current (line-number-at-pos))
(pos (car info))
(ln-end (ghc-sinfo-get-end-line pos))
(ln-diff (+ 1 (- ln-end ln-current)))
(fns-to-insert (cadr info)))
(goto-char (line-end-position ln-diff))
(dolist (fn-to-insert fns-to-insert)
(newline-and-indent)
(insert fn-to-insert))))))
(defun ghc-obtain-initial-code-from-signature ()
(let* ((ln (int-to-string (line-number-at-pos)))
(cn (int-to-string (1+ (current-column))))
(file (buffer-file-name))
(cmd (format "sig %s %s %s\n" file ln cn)))
(ghc-sync-process cmd)))
(provide 'ghc-rewrite)