Add new haskell-utils.el module for addressing #187

This module's purpose is to provide a place for helper functions which
are general enough to be usable by multiple modules and/or to
alleviate circular module dependency problems.

Author: hvr

Makefile

@@ -33,6 +33,7 @@ ELFILES = \
 	haskell-string.el \
 	haskell-str.el \
 	haskell-unicode-input-method.el \
+	haskell-utils.el \
 	haskell-yas.el \
 	haskell-presentation-mode.el \
 	inf-haskell.el

haskell-utils.el

@@ -0,0 +1,43 @@
+;;; haskell-utils.el --- General utility functions used by haskell-mode modules
+
+;; Copyright (C) 2013  Herbert Valerio Riedel
+
+;; Author: Herbert Valerio Riedel <[email protected]>
+
+;; 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 of the License, 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This module's purpose is to provide a place for helper functions
+;; which are general enough to be usable by multiple modules and/or
+;; to alleviate circular module dependency problems.
+;;
+;; When possible, functions in this module shall be accompanied by
+;; ERT-based unit tests.
+;;
+;; See also `haskell-str.el' for string utility functions.
+;;
+;; All symbols in this module have a `haskell-utils-' prefix.
+
+;;; Code:
+
+;; NOTE: This module is supposed to be a leaf-module and shall not
+;;       require/depend-on any other haskell-mode modules in order to
+;;       stay at the bottom of the module dependency graph.
+
+(provide 'haskell-utils)
+
+;;; haskell-utils.el ends here