factor/misc/fuel/fuel-refactor.el

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;;; fuel-refactor.el -- code refactoring support
;; Copyright (C) 2009 Jose Antonio Ortega Ruiz
;; See http://factorcode.org/license.txt for BSD license.
;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
;; Keywords: languages, fuel, factor
;; Start date: Thu Jan 08, 2009 00:57
;;; Comentary:
;; Utilities performing refactoring on factor code.
;;; Code:
(require 'fuel-stack)
(require 'fuel-syntax)
(require 'fuel-base)
;;; Extract word:
(defun fuel-refactor-extract-word (begin end)
"Extracts current region as a separate word."
(interactive "r")
(let* ((word (read-string "New word name: "))
(begin (save-excursion
(goto-char begin)
(when (zerop (skip-syntax-backward "w"))
(skip-syntax-forward "-"))
(point)))
(end (save-excursion
(goto-char end)
(skip-syntax-forward "w")
(point)))
(code (buffer-substring begin end))
(code-str (fuel--region-to-string begin end))
(stack-effect (or (fuel-stack--infer-effect code-str)
(read-string "Stack effect: "))))
(goto-char begin)
(delete-region begin end)
(insert word)
(indent-region begin (point))
(set-mark (point))
(fuel-syntax--beginning-of-defun)
(open-line 1)
(let ((start (point)))
(insert ": " word " " stack-effect "\n" code " ;\n")
(indent-region start (point))
(move-overlay fuel-stack--overlay start (point))
(goto-char (mark))
(sit-for fuel-stack-highlight-period)
(delete-overlay fuel-stack--overlay))))
(provide 'fuel-refactor)
;;; fuel-refactor.el ends here