emacs-ipython-notebook/ein-traceback.el
2012-06-07 16:08:34 +02:00

75 lines
2.3 KiB
EmacsLisp

;;; ein-traceback.el --- Traceback module
;; Copyright (C) 2012- Takafumi Arakaki
;; Author: Takafumi Arakaki
;; This file is NOT part of GNU Emacs.
;; ein-traceback.el 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 of the License, or
;; (at your option) any later version.
;; ein-traceback.el 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 ein-traceback.el. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(eval-when-compile (require 'cl))
(require 'eieio)
(require 'ewoc)
(require 'ansi-color)
(require 'ein-utils)
(defclass ein:traceback ()
((tb-data :initarg :tb-data :type list)
(buffer-name :initarg :buffer-name :type string)
(buffer :initarg :buffer :type buffer)
(ewoc :initarg :ewoc :type ewoc)))
(ein:deflocal ein:@traceback nil
"Buffer local variable to store an instance of `ein:traceback'.")
(defun ein:tb-new (buffer-name)
(ein:traceback "Traceback" :buffer-name buffer-name))
(defmethod ein:tb-get-buffer ((traceback ein:traceback))
(unless (and (slot-boundp traceback :buffer)
(buffer-live-p (oref traceback :buffer)))
(let ((buf (get-buffer-create (oref traceback :buffer-name))))
(oset traceback :buffer buf)))
(oref traceback :buffer))
(defun ein:tb-pp (ewoc-data)
(insert (ansi-color-apply ewoc-data)))
(defmethod ein:tb-render ((traceback ein:traceback) tb-data)
(with-current-buffer (ein:tb-get-buffer traceback)
(setq ein:@traceback traceback)
(setq buffer-read-only t)
(let ((inhibit-read-only t)
(ewoc (ewoc-create #'ein:tb-pp)))
(erase-buffer)
(oset traceback :ewoc ewoc)
(oset traceback :tb-data tb-data)
(mapc (lambda (data) (ewoc-enter-last ewoc data)) tb-data))
(font-lock-mode)))
(defmethod ein:tb-popup ((traceback ein:traceback) tb-data)
(ein:tb-render traceback tb-data)
(pop-to-buffer (ein:tb-get-buffer traceback)))
(provide 'ein-traceback)
;;; ein-traceback.el ends here