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le-eval-and-insert-results.el
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le-eval-and-insert-results.el
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;;; le-eval-and-insert-results.el --- evaluates buffer and inline results
;; this file is not part of Emacs
;; Copyright (C) 2011 Le Wang
;; Author: Le Wang
;; Maintainer: Le Wang
;; Description: evaluates buffer and inline results
;; Author: Le Wang
;; Maintainer: Le Wang
;; Created: Tue Sep 13 01:04:33 2011 (+0800)
;; Version: 0.1
;; Last-Updated: Sun May 20 20:39:59 2012 (+0800)
;; By: Le Wang
;; Update #: 38
;; URL: https://github.com/lewang/le_emacs_libs/blob/master/le-eval-and-insert-results.el
;; Keywords: emacs-lisp evaluation
;; Compatibility: Emacs 23+
;;; Installation:
;; (require 'le-eval-and-insert-results)
;;
;; M-x le::eval-and-insert-results
;;
;;; Commentary:
;; Simple function to evaluate buffer and inline results of each top-level
;; form as a comment.
;;
;; This is basically batch ielm. I find it useful when experimenting with
;; stuff.
;;
;; Function is reentrant, and should update results each time.
;;
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 3, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
;; Floor, Boston, MA 02110-1301, USA.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Code:
(eval-when-compile (require 'cl))
;;; ⇒ cl
(provide 'le-eval-and-insert-results)
;;; ⇒ le-eval-and-insert-results
(defun le::eair::format-eval-outpt (res &optional stdout)
(concat
(when (not (zerop (length stdout)))
(concat
"\t;;; ⇒ <STDOUT>\n"
"\t;;; "
(replace-regexp-in-string
"\n"
"\n\t;;; "
stdout)
"\n"))
"\t;;; ⇒ "
(replace-regexp-in-string
"\n"
"\n\t;;; "
res)
"\n"))
;;;###autoload
(defun le::eval-and-insert-results (beg end)
"eval forms in region and insert results in a line underneath each.
With universal prefix, clear results.
With two universal arguments, use whole buffer.
Without active region, use defun at point.
Calling repeatedly should update results."
(interactive (cond ((use-region-p)
(list (region-beginning) (region-end)))
((consp current-prefix-arg)
(list (point-min) (point-max)))
(t
(save-excursion
(list (progn
(beginning-of-defun)
(point))
(progn
(end-of-defun)
(point)))))))
(setq end (copy-marker end))
(catch 'slime-error
(save-excursion
(goto-char beg)
(do ()
((> (point) end))
(forward-sexp 1)
(when (not (> (point) end))
(let* ((sexp-str (buffer-substring-no-properties beg (point)))
(result (if (equal current-prefix-arg '(4))
""
(case major-mode
((clojure-mode)
(let (res pretty-res)
(condition-case err
(progn
(setq res (slime-eval `(swank:eval-and-grab-output ,sexp-str)))
(setq pretty-res (slime-eval `(swank:pprint-eval ,(concat "'" (second res))))))
(error
(message "slime error encountered %s" err)
(throw 'slime-error nil)))
(le::eair::format-eval-outpt pretty-res (first res))))
(t
(le::eair::format-eval-outpt (prin1-to-string
(eval (read sexp-str))))))))
(result-length (length result))
(tab-space (make-string tab-width ? )))
(forward-line 1)
(if (and (eobp)
(not (bolp))) ; handle eob
(insert "\n")
(when (looking-at (concat "\\(?:\t\\|"
tab-space
"\\);;; ⇒.*\n?\\(?:\\(\t\\|"
tab-space
"\\);;; .*\n\\)*"))
(delete-region (point) (match-end 0))))
(insert result))
(setq beg (point)))
;; skip over all comments
(while (not (eq (point) (progn
(comment-forward 1)
(point)))))
;; if we are at EOF then there we've already evaluated the last
;; meaningful sexp.
(when (eobp)
(return))))))
;;; ⇒ le::eval-and-insert-results
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; le-eval-and-insert-results.el ends here