1 files changed, 104 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-presentation-mode.el b/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-presentation-mode.el
new file mode 100644
index 0000000000..c1d3fad72e
--- /dev/null
+++ b/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-presentation-mode.el
@@ -0,0 +1,104 @@
+;;; haskell-presentation-mode.el --- Presenting Haskell things -*- lexical-binding: t -*-
+
+;; Copyright (C) 2013  Chris Done
+
+;; Author: Chris Done <chrisdone@gmail.com>
+
+;; This file is not part of GNU Emacs.
+
+;; This file 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 file 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 GNU Emacs; see the file COPYING.  If not, write to
+;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'haskell-mode)
+(require 'haskell-session)
+
+(defvar haskell-presentation-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map (kbd "q") 'quit-window)
+    (define-key map (kbd "c") 'haskell-presentation-clear)
+    map)
+  "Keymap for `haskell-presentation-mode'.")
+
+(define-derived-mode haskell-presentation-mode
+  haskell-mode "Presentation"
+  "Major mode for viewing Haskell snippets.
+          \\{hypertext-mode-map}"
+  (setq case-fold-search nil))
+
+(defconst haskell-presentation-buffer-name
+  "*Haskell Presentation*"
+  "Haskell Presentation buffer name.")
+
+(defconst haskell-presentation-hint-message
+  "-- Hit `q' to close this window; `c' to clear.\n\n"
+  "Hint message appered in Haskell Presentation buffer.")
+
+(defun haskell-presentation-buffer ()
+  "Return Haskell Presentaion buffer.
+Return current presenation buffer or create new one if absent.
+Never returns nil."
+  ;; TODO Provide interactive calling options: when called interactively make
+  ;; the presentation buffer current.
+  (let ((may-buffer (get-buffer haskell-presentation-buffer-name)))
+    (if may-buffer
+        may-buffer
+      (let ((buffer (generate-new-buffer haskell-presentation-buffer-name)))
+        (with-current-buffer buffer
+          (insert haskell-presentation-hint-message)
+          (haskell-presentation-mode)
+          (setq buffer-read-only t))
+          buffer))))
+
+(defun haskell-presentation-clear ()
+  "Clear Haskell Presentation buffer."
+  (interactive)
+  (let ((hp-buf (get-buffer haskell-presentation-buffer-name)))
+    (when hp-buf
+      (with-current-buffer hp-buf
+        (let ((buffer-read-only nil))
+          (erase-buffer)
+          (insert haskell-presentation-hint-message))))))
+
+(defun haskell-presentation-present (session code &optional clear)
+  "Present given code in a popup buffer.
+Creates temporal Haskell Presentation buffer and assigns it to
+given haskell SESSION; presented CODE will be fontified as
+haskell code.  Give an optional non-nil CLEAR arg to clear the
+buffer before presenting message."
+  (let ((buffer (haskell-presentation-buffer)))
+    (with-current-buffer buffer
+
+      (when (boundp 'shm-display-quarantine)
+        (setq-local shm-display-quarantine nil))
+
+      (when clear (haskell-presentation-clear))
+      (haskell-session-assign session)
+      (goto-char (point-min))
+      (forward-line 2)
+      (save-excursion
+        (let ((buffer-read-only nil))
+          (insert code "\n\n"))))
+
+    (if (eq major-mode 'haskell-presentation-mode)
+        (switch-to-buffer buffer)
+      (pop-to-buffer buffer))))
+
+(provide 'haskell-presentation-mode)
+
+;;; haskell-presentation-mode.el ends here